Merge remote branch 'origin/gallium-0.1' into nouveau-gallium-0.1

63 files changed, 1602 insertions, 1165 deletions

diff --git a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
index 13b44015212..c7f4349cb3e 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aapoint.c
@@ -301,9 +301,9 @@ aa_transform_inst(struct tgsi_transform_context *ctx,
       newInst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_W;
       ctx->emit_instruction(ctx, &newInst);
 
-      /* KILP -t0.yyyy;   # if b, KILL */
+      /* KIL -tmp0.yyyy;   # if -tmp0.y < 0, KILL */
       newInst = tgsi_default_full_instruction();
-      newInst.Instruction.Opcode = TGSI_OPCODE_KILP;
+      newInst.Instruction.Opcode = TGSI_OPCODE_KIL;
       newInst.Instruction.NumDstRegs = 0;
       newInst.Instruction.NumSrcRegs = 1;
       newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY;
diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
index d3bd9baddd6..e97136fa1f8 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
@@ -299,9 +299,9 @@ pstip_transform_inst(struct tgsi_transform_context *ctx,
       newInst.FullSrcRegisters[1].SrcRegister.Index = pctx->freeSampler;
       ctx->emit_instruction(ctx, &newInst);
 
-      /* KILP texTemp;   # if texTemp < 0, KILL fragment */
+      /* KIL -texTemp;   # if -texTemp < 0, KILL fragment */
       newInst = tgsi_default_full_instruction();
-      newInst.Instruction.Opcode = TGSI_OPCODE_KILP;
+      newInst.Instruction.Opcode = TGSI_OPCODE_KIL;
       newInst.Instruction.NumDstRegs = 0;
       newInst.Instruction.NumSrcRegs = 1;
       newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY;
diff --git a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c
index d40a07f4aed..54590984c6b 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_wide_point.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_wide_point.c
@@ -50,6 +50,8 @@ struct widepoint_stage {
    uint num_texcoords;
 
    int psize_slot;
+
+   int point_coord_fs_input;  /**< input for pointcoord (and fog) */
 };
 
 
@@ -84,6 +86,13 @@ static void set_texcoords(const struct widepoint_stage *wide,
          v->data[j][3] = tc[3];
       }
    }
+
+   if (wide->point_coord_fs_input >= 0) {
+      /* put gl_PointCoord into extra vertex output's zw components */
+      uint k = wide->stage.draw->extra_vp_outputs.slot;
+      v->data[k][2] = tc[0];
+      v->data[k][3] = tc[1];
+   }
 }
 
 
@@ -208,6 +217,18 @@ static void widepoint_first_point( struct draw_stage *stage,
          }
       }
       wide->num_texcoords = j;
+
+      /* find fragment shader PointCoord/Fog input */
+      wide->point_coord_fs_input = 0; /* XXX fix this! */
+
+      /* setup extra vp output */
+      draw->extra_vp_outputs.semantic_name = TGSI_SEMANTIC_FOG;
+      draw->extra_vp_outputs.semantic_index = 0;
+      draw->extra_vp_outputs.slot = draw->vs.num_vs_outputs;
+   }
+   else {
+      wide->point_coord_fs_input = -1;
+      draw->extra_vp_outputs.slot = 0;
    }
 
    wide->psize_slot = -1;
diff --git a/src/gallium/auxiliary/gallivm/instructions.cpp b/src/gallium/auxiliary/gallivm/instructions.cpp
index 1a98491b82a..035224e8f3c 100644
--- a/src/gallium/auxiliary/gallivm/instructions.cpp
+++ b/src/gallium/auxiliary/gallivm/instructions.cpp
@@ -878,9 +878,9 @@ llvm::Value * Instructions::scs(llvm::Value *in)
    return call;
 }
 
-llvm::Value * Instructions::kilp(llvm::Value *in)
+llvm::Value * Instructions::kil(llvm::Value *in)
 {
-   llvm::Function *func = m_mod->getFunction("kilp");
+   llvm::Function *func = m_mod->getFunction("kil");
    assert(func);
 
    CallInst *call = m_builder.CreateCall(func, in, name("kilpres"));
diff --git a/src/gallium/auxiliary/gallivm/instructions.h b/src/gallium/auxiliary/gallivm/instructions.h
index 3a476928b6d..d286ce80c78 100644
--- a/src/gallium/auxiliary/gallivm/instructions.h
+++ b/src/gallium/auxiliary/gallivm/instructions.h
@@ -79,7 +79,7 @@ public:
    llvm::Value *floor(llvm::Value *in);
    llvm::Value *frc(llvm::Value *in);
    void         ifop(llvm::Value *in);
-   llvm::Value *kilp(llvm::Value *in);
+   llvm::Value *kil(llvm::Value *in);
    llvm::Value *lerp(llvm::Value *in1, llvm::Value *in2,
                      llvm::Value *in3);
    llvm::Value *lit(llvm::Value *in);
diff --git a/src/gallium/auxiliary/gallivm/llvm_builtins.c b/src/gallium/auxiliary/gallivm/llvm_builtins.c
index 6b9d626ed4a..d5a003a48b2 100644
--- a/src/gallium/auxiliary/gallivm/llvm_builtins.c
+++ b/src/gallium/auxiliary/gallivm/llvm_builtins.c
@@ -105,7 +105,7 @@ inline float4 vsin(float4 val)
    return result;
 }
 
-inline int kilp(float4 val)
+inline int kil(float4 val)
 {
    if (val.x < 0 || val.y < 0 || val.z < 0 || val.w < 0)
       return 1;
diff --git a/src/gallium/auxiliary/gallivm/tgsitollvm.cpp b/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
index b14e2affd6f..cc1516a45e0 100644
--- a/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
+++ b/src/gallium/auxiliary/gallivm/tgsitollvm.cpp
@@ -396,11 +396,7 @@ translate_instruction(llvm::Module *module,
       break;
    case TGSI_OPCODE_DDY:
       break;
-   case TGSI_OPCODE_KILP: {
-      out = instr->kilp(inputs[0]);
-      storage->setKilElement(out);
-      return;
-   }
+   case TGSI_OPCODE_KILP:
       break;
    case TGSI_OPCODE_PK2H:
       break;
@@ -602,7 +598,11 @@ translate_instruction(llvm::Module *module,
       break;
    case TGSI_OPCODE_BREAKC:
       break;
-   case TGSI_OPCODE_KIL:
+   case TGSI_OPCODE_KIL: {
+      out = instr->kil(inputs[0]);
+      storage->setKilElement(out);
+      return;
+   }
       break;
    case TGSI_OPCODE_END:
       instr->end();
@@ -799,8 +799,7 @@ translate_instructionir(llvm::Module *module,
       break;
    case TGSI_OPCODE_DDY:
       break;
-   case TGSI_OPCODE_KILP: {
-   }
+   case TGSI_OPCODE_KILP:
       break;
    case TGSI_OPCODE_PK2H:
       break;
@@ -967,7 +966,8 @@ translate_instructionir(llvm::Module *module,
       break;
    case TGSI_OPCODE_BREAKC:
       break;
-   case TGSI_OPCODE_KIL:
+   case TGSI_OPCODE_KIL: {
+   }
       break;
    case TGSI_OPCODE_END:
       instr->end();
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 8b430548bca..c4ba667d32a 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -393,10 +393,18 @@ micro_div(
    const union tgsi_exec_channel *src0,
    const union tgsi_exec_channel *src1 )
 {
-   dst->f[0] = src0->f[0] / src1->f[0];
-   dst->f[1] = src0->f[1] / src1->f[1];
-   dst->f[2] = src0->f[2] / src1->f[2];
-   dst->f[3] = src0->f[3] / src1->f[3];
+   if (src1->f[0] != 0) {
+      dst->f[0] = src0->f[0] / src1->f[0];
+   }
+   if (src1->f[1] != 0) {
+      dst->f[1] = src0->f[1] / src1->f[1];
+   }
+   if (src1->f[2] != 0) {
+      dst->f[2] = src0->f[2] / src1->f[2];
+   }
+   if (src1->f[3] != 0) {
+      dst->f[3] = src0->f[3] / src1->f[3];
+   }
 }
 
 static void
@@ -1181,8 +1189,8 @@ store_dest(
  * Kill fragment if any of the four values is less than zero.
  */
 static void
-exec_kilp(struct tgsi_exec_machine *mach,
-          const struct tgsi_full_instruction *inst)
+exec_kil(struct tgsi_exec_machine *mach,
+         const struct tgsi_full_instruction *inst)
 {
    uint uniquemask;
    uint chan_index;
@@ -1218,6 +1226,21 @@ exec_kilp(struct tgsi_exec_machine *mach,
    mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
 }
 
+/**
+ * Execute NVIDIA-style KIL which is predicated by a condition code.
+ * Kill fragment if the condition code is TRUE.
+ */
+static void
+exec_kilp(struct tgsi_exec_machine *mach,
+          const struct tgsi_full_instruction *inst)
+{
+   uint kilmask = 0; /* bit 0 = pixel 0, bit 1 = pixel 1, etc */
+
+   /* TODO: build kilmask from CC mask */
+
+   mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
+}
+
 
 /*
  * Fetch a texel using STR texture coordinates.
@@ -1963,8 +1986,7 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_KIL:
-      /* for enabled ExecMask bits, set the killed bit */
-      mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= mach->ExecMask;
+      exec_kil (mach, inst);
       break;
 
    case TGSI_OPCODE_PK2H:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index 0cb1f11ef20..47dc06faf6d 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1096,6 +1096,15 @@ emit_kil(
       x86_make_reg( file_REG32, reg_AX ) );
 }
 
+
+static void
+emit_kilp(
+   struct x86_function *func )
+{
+   /* XXX todo / fix me */
+}
+
+
 static void
 emit_setcc(
    struct x86_function *func,
@@ -1609,7 +1618,14 @@ emit_instruction(
       return 0;
       break;
 
+   case TGSI_OPCODE_KILP:
+      /* predicated kill */
+      emit_kilp( func );
+      return 0; /* XXX fix me */
+      break;
+
    case TGSI_OPCODE_KIL:
+      /* conditional kill */
       emit_kil( func, &inst->FullSrcRegisters[0] );
       break;
 
diff --git a/src/gallium/auxiliary/util/p_debug.c b/src/gallium/auxiliary/util/p_debug.c
index 082b0e9fb56..2c2f2f8931f 100644
--- a/src/gallium/auxiliary/util/p_debug.c
+++ b/src/gallium/auxiliary/util/p_debug.c
@@ -324,7 +324,11 @@ void _debug_assert_fail(const char *expr,
                         const char *function) 
 {
    _debug_printf("%s:%u:%s: Assertion `%s' failed.\n", file, line, function, expr);
+#if defined(PIPE_OS_WINDOWS)
+   if (debug_get_bool_option("GALLIUM_ABORT_ON_ASSERT", FALSE))
+#else
    if (debug_get_bool_option("GALLIUM_ABORT_ON_ASSERT", TRUE))
+#endif
       debug_break();
    else
       _debug_printf("continuing...\n");
diff --git a/src/gallium/auxiliary/util/u_string.h b/src/gallium/auxiliary/util/u_string.h
index abc3232b492..08c89bbf770 100644
--- a/src/gallium/auxiliary/util/u_string.h
+++ b/src/gallium/auxiliary/util/u_string.h
@@ -28,14 +28,14 @@
 /**
  * @file
  * Platform independent functions for string manipulation.
- * 
+ *
  * @author Jose Fonseca <[email protected]>
  */
 
 #ifndef U_STRING_H_
 #define U_STRING_H_
 
-#ifndef WIN32
+#if !defined(WIN32) && !defined(XF86_LIBC_H)
 #include <stdio.h>
 #endif
 #include <stddef.h>
@@ -48,19 +48,19 @@
 extern "C" {
 #endif
 
-   
+
 #ifdef WIN32
-   
+
 int util_vsnprintf(char *, size_t, const char *, va_list);
 int util_snprintf(char *str, size_t size, const char *format, ...);
 
-static INLINE void 
+static INLINE void
 util_vsprintf(char *str, const char *format, va_list ap)
 {
    util_vsnprintf(str, (size_t)-1, format, ap);
 }
 
-static INLINE void 
+static INLINE void
 util_sprintf(char *str, const char *format, ...)
 {
    va_list ap;
diff --git a/src/gallium/drivers/cell/spu/spu_exec.c b/src/gallium/drivers/cell/spu/spu_exec.c
index 96393732ed8..42e5022f30b 100644
--- a/src/gallium/drivers/cell/spu/spu_exec.c
+++ b/src/gallium/drivers/cell/spu/spu_exec.c
@@ -603,8 +603,8 @@ store_dest(
  * Kill fragment if any of the four values is less than zero.
  */
 static void
-exec_kilp(struct spu_exec_machine *mach,
-          const struct tgsi_full_instruction *inst)
+exec_kil(struct spu_exec_machine *mach,
+         const struct tgsi_full_instruction *inst)
 {
    uint uniquemask;
    uint chan_index;
@@ -640,6 +640,20 @@ exec_kilp(struct spu_exec_machine *mach,
    mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
 }
 
+/**
+ * Execute NVIDIA-style KIL which is predicated by a condition code.
+ * Kill fragment if the condition code is TRUE.
+ */
+static void
+exec_kilp(struct tgsi_exec_machine *mach,
+          const struct tgsi_full_instruction *inst)
+{
+   uint kilmask = 0; /* bit 0 = pixel 0, bit 1 = pixel 1, etc */
+
+   /* TODO: build kilmask from CC mask */
+
+   mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
+}
 
 /*
  * Fetch a texel using STR texture coordinates.
@@ -1336,8 +1350,7 @@ exec_instruction(
       break;
 
    case TGSI_OPCODE_KIL:
-      /* for enabled ExecMask bits, set the killed bit */
-      mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= mach->ExecMask;
+      exec_kil (mach, inst);
       break;
 
    case TGSI_OPCODE_PK2H:
diff --git a/src/gallium/drivers/i915simple/i915_fpc_translate.c b/src/gallium/drivers/i915simple/i915_fpc_translate.c
index 04507ab8adc..64432982c42 100644
--- a/src/gallium/drivers/i915simple/i915_fpc_translate.c
+++ b/src/gallium/drivers/i915simple/i915_fpc_translate.c
@@ -560,18 +560,6 @@ i915_translate_instruction(struct i915_fp_compile *p,
       break;
 
    case TGSI_OPCODE_KIL:
-      /* unconditional kill */
-      assert(0); /* not tested yet */
-#if 0
-      src0 = src_vector(p, &inst->FullSrcRegisters[0]);
-      tmp = i915_get_utemp(p);
-
-      i915_emit_texld(p, tmp, A0_DEST_CHANNEL_ALL,   /* use a dummy dest reg */
-                      0, src0, T0_TEXKILL);
-#endif
-      break;
-
-   case TGSI_OPCODE_KILP:
       /* kill if src[0].x < 0 || src[0].y < 0 ... */
       src0 = src_vector(p, &inst->FullSrcRegisters[0]);
       tmp = i915_get_utemp(p);
@@ -584,6 +572,10 @@ i915_translate_instruction(struct i915_fp_compile *p,
                       T0_TEXKILL);           /* opcode */
       break;
 
+   case TGSI_OPCODE_KILP:
+      assert(0); /* not tested yet */
+      break;
+
    case TGSI_OPCODE_LG2:
       src0 = src_vector(p, &inst->FullSrcRegisters[0]);
 
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index b48eec730b2..b7f2f16307e 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -39,6 +39,7 @@
 #include "sp_quad.h"
 #include "sp_state.h"
 #include "sp_prim_setup.h"
+#include "draw/draw_context.h"
 #include "draw/draw_private.h"
 #include "draw/draw_vertex.h"
 #include "pipe/p_util.h"
@@ -1272,10 +1273,7 @@ void setup_prepare( struct setup_context *setup )
    }
 
    /* Note: nr_attrs is only used for debugging (vertex printing) */
-   {
-      const struct sp_fragment_shader *fs = setup->softpipe->fs;
-      setup->quad.nr_attrs = fs->info.num_inputs + 1; /* +1 for vert pos */
-   }
+   setup->quad.nr_attrs = draw_num_vs_outputs(sp->draw);
 
    sp->quad.first->begin(sp->quad.first);
 
diff --git a/src/gallium/drivers/trace/tr_context.c b/src/gallium/drivers/trace/tr_context.c
index 47a217ec7c7..f82126370cf 100644
--- a/src/gallium/drivers/trace/tr_context.c
+++ b/src/gallium/drivers/trace/tr_context.c
@@ -40,8 +40,7 @@ trace_context_set_edgeflags(struct pipe_context *_pipe,
                             const unsigned *bitfield)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_edgeflags");
@@ -61,8 +60,7 @@ trace_context_draw_arrays(struct pipe_context *_pipe,
                           unsigned mode, unsigned start, unsigned count)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    boolean result;
 
@@ -90,8 +88,7 @@ trace_context_draw_elements(struct pipe_context *_pipe,
                           unsigned mode, unsigned start, unsigned count)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    boolean result;
 
@@ -125,8 +122,7 @@ trace_context_draw_range_elements(struct pipe_context *_pipe,
                                   unsigned count)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    boolean result;
 
@@ -159,8 +155,7 @@ trace_context_create_query(struct pipe_context *_pipe,
                            unsigned query_type)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    struct pipe_query *result;
 
@@ -184,8 +179,7 @@ trace_context_destroy_query(struct pipe_context *_pipe,
                             struct pipe_query *query)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "destroy_query");
@@ -204,8 +198,7 @@ trace_context_begin_query(struct pipe_context *_pipe,
                           struct pipe_query *query)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "begin_query");
@@ -224,8 +217,7 @@ trace_context_end_query(struct pipe_context *_pipe,
                         struct pipe_query *query)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "end_query");
@@ -246,8 +238,7 @@ trace_context_get_query_result(struct pipe_context *_pipe,
                                uint64 *presult)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    uint64 result;
    boolean _result;
@@ -273,8 +264,7 @@ trace_context_create_blend_state(struct pipe_context *_pipe,
                                  const struct pipe_blend_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    void * result;
 
@@ -285,6 +275,8 @@ trace_context_create_blend_state(struct pipe_context *_pipe,
 
    result = pipe->create_blend_state(pipe, state);;
 
+   trace_dump_ret(stream, ptr, result);
+
    trace_dump_call_end(stream);
    
    return result;
@@ -296,8 +288,7 @@ trace_context_bind_blend_state(struct pipe_context *_pipe,
                                void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "bind_blend_state");
@@ -316,8 +307,7 @@ trace_context_delete_blend_state(struct pipe_context *_pipe,
                                  void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "delete_blend_state");
@@ -336,8 +326,7 @@ trace_context_create_sampler_state(struct pipe_context *_pipe,
                                    const struct pipe_sampler_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    void * result;
 
@@ -361,8 +350,7 @@ trace_context_bind_sampler_states(struct pipe_context *_pipe,
                                   unsigned num_states, void **states)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "bind_sampler_states");
@@ -382,8 +370,7 @@ trace_context_delete_sampler_state(struct pipe_context *_pipe,
                                    void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "delete_sampler_state");
@@ -402,8 +389,7 @@ trace_context_create_rasterizer_state(struct pipe_context *_pipe,
                                       const struct pipe_rasterizer_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    void * result;
 
@@ -427,8 +413,7 @@ trace_context_bind_rasterizer_state(struct pipe_context *_pipe,
                                     void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "bind_rasterizer_state");
@@ -447,8 +432,7 @@ trace_context_delete_rasterizer_state(struct pipe_context *_pipe,
                                       void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "delete_rasterizer_state");
@@ -467,8 +451,7 @@ trace_context_create_depth_stencil_alpha_state(struct pipe_context *_pipe,
                                                const struct pipe_depth_stencil_alpha_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    void * result;
 
@@ -476,8 +459,10 @@ trace_context_create_depth_stencil_alpha_state(struct pipe_context *_pipe,
 
    result = pipe->create_depth_stencil_alpha_state(pipe, state);;
 
-   trace_dump_ret(stream, ptr, result);
+   trace_dump_arg(stream, ptr, pipe);
    trace_dump_arg(stream, depth_stencil_alpha_state, state);
+   
+   trace_dump_ret(stream, ptr, result);
 
    trace_dump_call_end(stream);
    
@@ -490,8 +475,7 @@ trace_context_bind_depth_stencil_alpha_state(struct pipe_context *_pipe,
                                              void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "bind_depth_stencil_alpha_state");
@@ -510,8 +494,7 @@ trace_context_delete_depth_stencil_alpha_state(struct pipe_context *_pipe,
                                                void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "delete_depth_stencil_alpha_state");
@@ -530,8 +513,7 @@ trace_context_create_fs_state(struct pipe_context *_pipe,
                               const struct pipe_shader_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    void * result;
 
@@ -555,8 +537,7 @@ trace_context_bind_fs_state(struct pipe_context *_pipe,
                             void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "bind_fs_state");
@@ -575,8 +556,7 @@ trace_context_delete_fs_state(struct pipe_context *_pipe,
                               void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "delete_fs_state");
@@ -595,8 +575,7 @@ trace_context_create_vs_state(struct pipe_context *_pipe,
                               const struct pipe_shader_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
    void * result;
 
@@ -620,8 +599,7 @@ trace_context_bind_vs_state(struct pipe_context *_pipe,
                             void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "bind_vs_state");
@@ -640,8 +618,7 @@ trace_context_delete_vs_state(struct pipe_context *_pipe,
                               void *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "delete_vs_state");
@@ -660,8 +637,7 @@ trace_context_set_blend_color(struct pipe_context *_pipe,
                               const struct pipe_blend_color *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_blend_color");
@@ -680,8 +656,7 @@ trace_context_set_clip_state(struct pipe_context *_pipe,
                              const struct pipe_clip_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_clip_state");
@@ -701,8 +676,7 @@ trace_context_set_constant_buffer(struct pipe_context *_pipe,
                                   const struct pipe_constant_buffer *buffer)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_constant_buffer");
@@ -723,8 +697,7 @@ trace_context_set_framebuffer_state(struct pipe_context *_pipe,
                                     const struct pipe_framebuffer_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_framebuffer_state");
@@ -743,8 +716,7 @@ trace_context_set_polygon_stipple(struct pipe_context *_pipe,
                                   const struct pipe_poly_stipple *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_polygon_stipple");
@@ -763,8 +735,7 @@ trace_context_set_scissor_state(struct pipe_context *_pipe,
                                 const struct pipe_scissor_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_scissor_state");
@@ -783,8 +754,7 @@ trace_context_set_viewport_state(struct pipe_context *_pipe,
                                  const struct pipe_viewport_state *state)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_viewport_state");
@@ -804,8 +774,7 @@ trace_context_set_sampler_textures(struct pipe_context *_pipe,
                                    struct pipe_texture **textures)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_sampler_textures");
@@ -826,8 +795,7 @@ trace_context_set_vertex_buffers(struct pipe_context *_pipe,
                                  const struct pipe_vertex_buffer *buffers)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_vertex_buffers");
@@ -851,15 +819,13 @@ trace_context_set_vertex_elements(struct pipe_context *_pipe,
                                   const struct pipe_vertex_element *elements)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "set_vertex_elements");
 
    trace_dump_arg(stream, ptr, pipe);
    trace_dump_arg(stream, uint, num_elements);
-   trace_dump_arg(stream, ptr, elements);
 
    trace_dump_arg_begin(stream, "elements");
    trace_dump_struct_array(stream, vertex_element, elements, num_elements);
@@ -881,8 +847,7 @@ trace_context_surface_copy(struct pipe_context *_pipe,
                            unsigned width, unsigned height)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "surface_copy");
@@ -914,8 +879,7 @@ trace_context_surface_fill(struct pipe_context *_pipe,
                            unsigned value)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "surface_fill");
@@ -939,8 +903,7 @@ trace_context_clear(struct pipe_context *_pipe,
                     unsigned clearValue)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "clear");
@@ -961,8 +924,7 @@ trace_context_flush(struct pipe_context *_pipe,
                     struct pipe_fence_handle **fence)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "flush");
@@ -981,8 +943,7 @@ static INLINE void
 trace_context_destroy(struct pipe_context *_pipe)
 {
    struct trace_context *tr_ctx = trace_context(_pipe);
-   struct trace_screen *tr_scr = trace_screen(_pipe->screen);
-   struct trace_stream *stream = tr_scr->stream;
+   struct trace_stream *stream = tr_ctx->stream;
    struct pipe_context *pipe = tr_ctx->pipe;
 
    trace_dump_call_begin(stream, "pipe_context", "destroy");
@@ -1000,6 +961,7 @@ trace_context_destroy(struct pipe_context *_pipe)
 struct pipe_context *
 trace_context_create(struct pipe_context *pipe)
 {
+   struct trace_stream *stream;
    struct trace_context *tr_ctx;
    
    if(!debug_get_bool_option("GALLIUM_TRACE", FALSE))
@@ -1055,10 +1017,18 @@ trace_context_create(struct pipe_context *pipe)
    tr_ctx->base.flush = trace_context_flush;
 
    tr_ctx->pipe = pipe;
+   tr_ctx->stream = stream = trace_winsys(pipe->winsys)->stream;
    
    /* We don't want to trace the internal pipe calls */
    pipe->winsys = trace_winsys(pipe->winsys)->winsys;
    pipe->screen = trace_screen(pipe->screen)->screen;
    
+   trace_dump_call_begin(stream, "", "pipe_context_create");
+   trace_dump_arg_begin(stream, "screen");
+   trace_dump_ptr(stream, pipe->screen);
+   trace_dump_arg_end(stream);
+   trace_dump_ret(stream, ptr, pipe);
+   trace_dump_call_end(stream);
+
    return &tr_ctx->base;
 }
diff --git a/src/gallium/drivers/trace/tr_context.h b/src/gallium/drivers/trace/tr_context.h
index 80fb5980d6a..2c0b0c72e45 100644
--- a/src/gallium/drivers/trace/tr_context.h
+++ b/src/gallium/drivers/trace/tr_context.h
@@ -34,11 +34,16 @@
 #include "pipe/p_context.h"
 
 
+struct trace_stream;
+
+   
 struct trace_context
 {
    struct pipe_context base;
    
    struct pipe_context *pipe;
+   
+   struct trace_stream *stream;
 };
 
 
diff --git a/src/gallium/drivers/trace/tr_dump.c b/src/gallium/drivers/trace/tr_dump.c
index f545de30f4f..5269c4ddc84 100644
--- a/src/gallium/drivers/trace/tr_dump.c
+++ b/src/gallium/drivers/trace/tr_dump.c
@@ -276,17 +276,16 @@ void trace_dump_bytes(struct trace_stream *stream,
                       const void *data,
                       long unsigned size)
 {
-   static char hex_table[] = "0123456789ABCDE";
+   static const char hex_table[16] = "0123456789ABCDEF";
    const uint8_t *p = data;
    long unsigned i;
    trace_dump_write(stream, "<bytes>");
    for(i = 0; i < size; ++i) {
       uint8_t byte = *p++;
-      char str[3];
-      str[0] = hex_table[byte >> 4];
-      str[1] = hex_table[byte & 0xf];
-      str[2] = 0;
-      trace_dump_write(stream, str);
+      char hex[2];
+      hex[0] = hex_table[byte >> 4];
+      hex[1] = hex_table[byte & 0xf];
+      trace_stream_write(stream, hex, 2);
    }
    trace_dump_write(stream, "</bytes>");
 }
diff --git a/src/gallium/drivers/trace/tr_screen.c b/src/gallium/drivers/trace/tr_screen.c
index de885abae2c..27c218039ec 100644
--- a/src/gallium/drivers/trace/tr_screen.c
+++ b/src/gallium/drivers/trace/tr_screen.c
@@ -346,6 +346,7 @@ trace_screen_destroy(struct pipe_screen *_screen)
 struct pipe_screen *
 trace_screen_create(struct pipe_screen *screen)
 {
+   struct trace_stream *stream;
    struct trace_screen *tr_scr;
    
    if(!debug_get_bool_option("GALLIUM_TRACE", FALSE))
@@ -371,13 +372,17 @@ trace_screen_create(struct pipe_screen *screen)
    tr_scr->base.surface_unmap = trace_screen_surface_unmap;
    
    tr_scr->screen = screen;
-      
-   tr_scr->stream = trace_winsys(screen->winsys)->stream;
-   if(!tr_scr->stream)
-      return NULL;
+   tr_scr->stream = stream = trace_winsys(screen->winsys)->stream;
 
    /* We don't want to trace the internal pipe calls */
    screen->winsys = trace_winsys(screen->winsys)->winsys;
 
+   trace_dump_call_begin(stream, "", "pipe_screen_create");
+   trace_dump_arg_begin(stream, "winsys");
+   trace_dump_ptr(stream, screen->winsys);
+   trace_dump_arg_end(stream);
+   trace_dump_ret(stream, ptr, screen);
+   trace_dump_call_end(stream);
+
    return &tr_scr->base;
 }
diff --git a/src/gallium/drivers/trace/tr_state.c b/src/gallium/drivers/trace/tr_state.c
index 9ffe77146d9..e074ae7abc1 100644
--- a/src/gallium/drivers/trace/tr_state.c
+++ b/src/gallium/drivers/trace/tr_state.c
@@ -73,6 +73,10 @@ void trace_dump_template(struct trace_stream *stream,
    trace_dump_array(stream, uint, templat->height, 1);
    trace_dump_member_end(stream);
 
+   trace_dump_member_begin(stream, "depth");
+   trace_dump_array(stream, uint, templat->depth, 1);
+   trace_dump_member_end(stream);
+
    trace_dump_member_begin(stream, "block");
    trace_dump_block(stream, &templat->block);
    trace_dump_member_end(stream);
@@ -146,9 +150,10 @@ void trace_dump_poly_stipple(struct trace_stream *stream,
    trace_dump_struct_begin(stream, "pipe_poly_stipple");
 
    trace_dump_member_begin(stream, "stipple");
-   trace_dump_bytes(stream, 
+   trace_dump_array(stream,
+                    uint,
                     state->stipple, 
-                    sizeof(state->stipple));
+                    Elements(state->stipple));
    trace_dump_member_end(stream);
    
    trace_dump_struct_end(stream);
@@ -273,7 +278,7 @@ void trace_dump_depth_stencil_alpha_state(struct trace_stream *stream,
    trace_dump_struct_begin(stream, "pipe_depth_stencil_alpha_state");
 
    trace_dump_member_begin(stream, "depth");
-   trace_dump_struct_begin(stream, "");
+   trace_dump_struct_begin(stream, "pipe_depth_state");
    trace_dump_member(stream, bool, &state->depth, enabled);
    trace_dump_member(stream, bool, &state->depth, writemask);
    trace_dump_member(stream, uint, &state->depth, func);
@@ -285,7 +290,7 @@ void trace_dump_depth_stencil_alpha_state(struct trace_stream *stream,
    trace_dump_array_begin(stream);
    for(i = 0; i < Elements(state->stencil); ++i) {
       trace_dump_elem_begin(stream);
-      trace_dump_struct_begin(stream, "");
+      trace_dump_struct_begin(stream, "pipe_stencil_state");
       trace_dump_member(stream, bool, &state->stencil[i], enabled);
       trace_dump_member(stream, uint, &state->stencil[i], func);
       trace_dump_member(stream, uint, &state->stencil[i], fail_op);
@@ -301,7 +306,7 @@ void trace_dump_depth_stencil_alpha_state(struct trace_stream *stream,
    trace_dump_member_end(stream);
 
    trace_dump_member_begin(stream, "alpha");
-   trace_dump_struct_begin(stream, "");
+   trace_dump_struct_begin(stream, "pipe_alpha_state");
    trace_dump_member(stream, bool, &state->alpha, enabled);
    trace_dump_member(stream, uint, &state->alpha, func);
    trace_dump_member(stream, float, &state->alpha, ref);
diff --git a/src/gallium/drivers/trace/tr_winsys.c b/src/gallium/drivers/trace/tr_winsys.c
index 964da5677b2..eec84a19816 100644
--- a/src/gallium/drivers/trace/tr_winsys.c
+++ b/src/gallium/drivers/trace/tr_winsys.c
@@ -26,6 +26,7 @@
  **************************************************************************/
 
 #include "pipe/p_util.h"
+#include "pipe/p_state.h"
 #include "util/u_hash_table.h"
 
 #include "tr_stream.h"
@@ -178,7 +179,7 @@ trace_winsys_buffer_create(struct pipe_winsys *_winsys,
    struct trace_winsys *tr_ws = trace_winsys(_winsys);
    struct trace_stream *stream = tr_ws->stream;
    struct pipe_winsys *winsys = tr_ws->winsys;
-   struct pipe_buffer *result;
+   struct pipe_buffer *buffer;
    
    trace_dump_call_begin(stream, "pipe_winsys", "buffer_create");
    
@@ -187,13 +188,23 @@ trace_winsys_buffer_create(struct pipe_winsys *_winsys,
    trace_dump_arg(stream, uint, usage);
    trace_dump_arg(stream, uint, size);
 
-   result = winsys->buffer_create(winsys, alignment, usage, size);
+   buffer = winsys->buffer_create(winsys, alignment, usage, size);
    
-   trace_dump_ret(stream, ptr, result);
+   trace_dump_ret(stream, ptr, buffer);
    
    trace_dump_call_end(stream);
+
+   /* Zero the buffer to avoid dumping uninitialized memory */
+   if(buffer->usage & PIPE_BUFFER_USAGE_CPU_WRITE) {
+      void *map;
+      map = winsys->buffer_map(winsys, buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
+      if(map) {
+         memset(map, 0, buffer->size);
+         winsys->buffer_unmap(winsys, buffer);
+      }
+   }
    
-   return result;
+   return buffer;
 }
 
 
@@ -229,30 +240,18 @@ trace_winsys_buffer_map(struct pipe_winsys *_winsys,
                         unsigned usage)
 {
    struct trace_winsys *tr_ws = trace_winsys(_winsys);
-   struct trace_stream *stream = tr_ws->stream;
    struct pipe_winsys *winsys = tr_ws->winsys;
-   void *result;
-   
-   trace_dump_call_begin(stream, "pipe_winsys", "buffer_map");
+   void *map;
    
-   trace_dump_arg(stream, ptr, winsys);
-   trace_dump_arg(stream, ptr, buffer);
-   trace_dump_arg(stream, uint, usage);
-
-   result = winsys->buffer_map(winsys, buffer, usage);
-   
-   trace_dump_ret(stream, ptr, result);
-   
-   trace_dump_call_end(stream);
-   
-   if(result) {
+   map = winsys->buffer_map(winsys, buffer, usage);
+   if(map) {
       if(usage & PIPE_BUFFER_USAGE_CPU_WRITE) {
          assert(!hash_table_get(tr_ws->buffer_maps, buffer));
-         hash_table_set(tr_ws->buffer_maps, buffer, result);
+         hash_table_set(tr_ws->buffer_maps, buffer, map);
       }
    }
    
-   return result;
+   return map;
 }
 
 
@@ -267,13 +266,13 @@ trace_winsys_buffer_unmap(struct pipe_winsys *_winsys,
    
    map = hash_table_get(tr_ws->buffer_maps, buffer);
    if(map) {
-      trace_dump_call_begin(stream, "", "memcpy");
+      trace_dump_call_begin(stream, "pipe_winsys", "buffer_write");
       
-      trace_dump_arg_begin(stream, "dst");
-      trace_dump_ptr(stream, map);
-      trace_dump_arg_end(stream);
+      trace_dump_arg(stream, ptr, winsys);
       
-      trace_dump_arg_begin(stream, "src");
+      trace_dump_arg(stream, ptr, buffer);
+      
+      trace_dump_arg_begin(stream, "data");
       trace_dump_bytes(stream, map, buffer->size);
       trace_dump_arg_end(stream);
 
@@ -283,19 +282,10 @@ trace_winsys_buffer_unmap(struct pipe_winsys *_winsys,
    
       trace_dump_call_end(stream);
 
-      winsys->buffer_unmap(winsys, buffer);
-
       hash_table_remove(tr_ws->buffer_maps, buffer);
    }
    
-   trace_dump_call_begin(stream, "pipe_winsys", "buffer_unmap");
-   
-   trace_dump_arg(stream, ptr, winsys);
-   trace_dump_arg(stream, ptr, buffer);
-
    winsys->buffer_unmap(winsys, buffer);
-   
-   trace_dump_call_end(stream);
 }
 
 
@@ -420,6 +410,7 @@ trace_winsys_destroy(struct pipe_winsys *_winsys)
 struct pipe_winsys *
 trace_winsys_create(struct pipe_winsys *winsys)
 {
+   struct trace_stream *stream;
    struct trace_winsys *tr_ws;
    
    if(!debug_get_bool_option("GALLIUM_TRACE", FALSE))
@@ -446,7 +437,7 @@ trace_winsys_create(struct pipe_winsys *winsys)
    
    tr_ws->winsys = winsys;
 
-   tr_ws->stream = trace_stream_create("gallium", "trace");
+   tr_ws->stream = stream = trace_stream_create("gallium", "trace");
    if(!tr_ws->stream)
       return NULL;
 
@@ -455,8 +446,11 @@ trace_winsys_create(struct pipe_winsys *winsys)
    if(!tr_ws->buffer_maps)
       return NULL;
    
-   
    trace_dump_trace_begin(tr_ws->stream, 0);
    
+   trace_dump_call_begin(stream, "", "pipe_winsys_create");
+   trace_dump_ret(stream, ptr, winsys);
+   trace_dump_call_end(stream);
+
    return &tr_ws->base;
 }
diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h
index 2afb8464c73..4d64c74a4aa 100644
--- a/src/gallium/include/pipe/p_compiler.h
+++ b/src/gallium/include/pipe/p_compiler.h
@@ -31,8 +31,13 @@
 
 #include "p_config.h"
 
+#ifndef XFree86Server
 #include <stdlib.h>
 #include <string.h>
+#else
+#include "xf86_ansic.h"
+#include "xf86_libc.h"
+#endif
 
 
 #if defined(_WIN32) && !defined(__WIN32__)
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index ed931d24b99..3ab0c7deafa 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -240,6 +240,7 @@ struct tgsi_immediate_float32
  * GL_ARB_fragment_program
  */
 #define TGSI_OPCODE_CMP                 66
+#define TGSI_OPCODE_KIL                 116  /* conditional kill */
 #define TGSI_OPCODE_SCS                 67
 #define TGSI_OPCODE_TXB                 68
 
@@ -327,7 +328,7 @@ struct tgsi_immediate_float32
 /*
  * ps_1_1
  */
-#define TGSI_OPCODE_TEXKILL             TGSI_OPCODE_KILP
+#define TGSI_OPCODE_TEXKILL             TGSI_OPCODE_KIL
 
 /*
  * ps_1_2
@@ -386,7 +387,6 @@ struct tgsi_immediate_float32
  * vs_2_x
  */
 
-#define TGSI_OPCODE_KIL                 116  /* unpredicated kill */
 #define TGSI_OPCODE_END                 117  /* aka HALT */
 
 #define TGSI_OPCODE_LAST                119
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 2401305eb75..4d0f3597e60 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -170,29 +170,38 @@ struct pipe_shader_state
 };
 
 
+struct pipe_depth_state {
+   unsigned enabled:1;         /**< depth test enabled? */
+   unsigned writemask:1;       /**< allow depth buffer writes? */
+   unsigned func:3;            /**< depth test func (PIPE_FUNC_x) */
+   unsigned occlusion_count:1; /**< do occlusion counting? */
+};
+
+
+struct pipe_stencil_state {
+   unsigned enabled:1;  /**< stencil[0]: stencil enabled, stencil[1]: two-side enabled */
+   unsigned func:3;     /**< PIPE_FUNC_x */
+   unsigned fail_op:3;  /**< PIPE_STENCIL_OP_x */
+   unsigned zpass_op:3; /**< PIPE_STENCIL_OP_x */
+   unsigned zfail_op:3; /**< PIPE_STENCIL_OP_x */
+   ubyte ref_value;    
+   ubyte value_mask;
+   ubyte write_mask;
+};
+
+
+struct pipe_alpha_state {
+   unsigned enabled:1;
+   unsigned func:3;     /**< PIPE_FUNC_x */
+   float ref;           /**< reference value */
+};
+
+
 struct pipe_depth_stencil_alpha_state
 {
-   struct {
-      unsigned enabled:1;         /**< depth test enabled? */
-      unsigned writemask:1;       /**< allow depth buffer writes? */
-      unsigned func:3;            /**< depth test func (PIPE_FUNC_x) */
-      unsigned occlusion_count:1; /**< do occlusion counting? */
-   } depth;
-   struct {
-      unsigned enabled:1;  /**< stencil[0]: stencil enabled, stencil[1]: two-side enabled */
-      unsigned func:3;     /**< PIPE_FUNC_x */
-      unsigned fail_op:3;  /**< PIPE_STENCIL_OP_x */
-      unsigned zpass_op:3; /**< PIPE_STENCIL_OP_x */
-      unsigned zfail_op:3; /**< PIPE_STENCIL_OP_x */
-      ubyte ref_value;    
-      ubyte value_mask;
-      ubyte write_mask;
-   } stencil[2];           /**< [0] = front, [1] = back */
-   struct {
-      unsigned enabled:1;
-      unsigned func:3;     /**< PIPE_FUNC_x */
-      float ref;           /**< reference value */
-   } alpha;
+   struct pipe_depth_state depth;
+   struct pipe_stencil_state stencil[2]; /**< [0] = front, [1] = back */
+   struct pipe_alpha_state alpha;
 };
 
 
diff --git a/src/gallium/state_trackers/python/README b/src/gallium/state_trackers/python/README
index 75341aa28cc..8ab88ab2f81 100644
--- a/src/gallium/state_trackers/python/README
+++ b/src/gallium/state_trackers/python/README
@@ -7,7 +7,7 @@ To build you'll need:
 * Python (with development packages)
 * SCons
 * SWIG
-* Python Imaging Library (for the samples)
+* Python Imaging Library with TK support (for the samples)
 
 Invoke scons on the top dir as
  
@@ -19,9 +19,9 @@ To use do
 
 and then try running
 
-  python src/gallium/state_trackers/python/samples/simple.py
+  python src/gallium/state_trackers/python/samples/tri.py
 
-which should create a simple.png
+which should show a triangle.
 
 
 This is still in experimental phase, and there many limitations to what you can
diff --git a/src/gallium/state_trackers/python/gallium.i b/src/gallium/state_trackers/python/gallium.i
index 284ecb827df..8d7a49cee7d 100644
--- a/src/gallium/state_trackers/python/gallium.i
+++ b/src/gallium/state_trackers/python/gallium.i
@@ -58,6 +58,7 @@
 %include "carrays.i"
 %array_class(unsigned char, ByteArray);
 %array_class(int, IntArray);
+%array_class(unsigned, UnsignedArray);
 %array_class(float, FloatArray);
 
 
@@ -65,13 +66,15 @@
 %rename(Context) st_context;
 %rename(Texture) pipe_texture;
 %rename(Surface) pipe_surface;
-
-%rename(Buffer) pipe_buffer;
+%rename(Buffer) st_buffer;
 
 %rename(BlendColor) pipe_blend_color;
 %rename(Blend) pipe_blend_state;
 %rename(Clip) pipe_clip_state;
 %rename(ConstantBuffer) pipe_constant_buffer;
+%rename(Depth) pipe_depth_state;
+%rename(Stencil) pipe_stencil_state;
+%rename(Alpha) pipe_alpha_state;
 %rename(DepthStencilAlpha) pipe_depth_stencil_alpha_state;
 %rename(FormatBlock) pipe_format_block;
 %rename(Framebuffer) pipe_framebuffer_state;
@@ -84,505 +87,13 @@
 %rename(VertexElement) pipe_vertex_element;
 %rename(Viewport) pipe_viewport_state;
 
-%nodefaultctor st_device;
-%nodefaultctor st_context;
-%nodefaultctor pipe_texture;
-%nodefaultctor pipe_surface;
-%nodefaultctor pipe_buffer;
-
-%nodefaultdtor st_device;
-%nodefaultdtor st_context;
-%nodefaultdtor pipe_texture;
-%nodefaultdtor pipe_surface;
-%nodefaultdtor pipe_buffer;
-
-%ignore pipe_texture::screen;
-
-%ignore pipe_surface::winsys;
-%immutable pipe_surface::texture;
-%immutable pipe_surface::buffer;
 
-%include "p_format.i";
+%include "p_compiler.i"
 %include "pipe/p_defines.h";
-%include "pipe/p_state.h";
-%include "pipe/p_shader_tokens.h";
-
-
-struct st_device {
-};
-
-struct st_context {
-};
-
-
-%newobject st_device::texture_create;
-%newobject st_device::context_create;
-%newobject st_device::buffer_create;
-
-%extend st_device {
-   
-   st_device(int hardware = 1) {
-      return st_device_create(hardware ? TRUE : FALSE);
-   }
-
-   ~st_device() {
-      st_device_destroy($self);
-   }
-   
-   const char * get_name( void ) {
-      return $self->screen->get_name($self->screen);
-   }
-
-   const char * get_vendor( void ) {
-      return $self->screen->get_vendor($self->screen);
-   }
-
-   /**
-    * Query an integer-valued capability/parameter/limit
-    * \param param  one of PIPE_CAP_x
-    */
-   int get_param( int param ) {
-      return $self->screen->get_param($self->screen, param);
-   }
-
-   /**
-    * Query a float-valued capability/parameter/limit
-    * \param param  one of PIPE_CAP_x
-    */
-   float get_paramf( int param ) {
-      return $self->screen->get_paramf($self->screen, param);
-   }
-
-   /**
-    * Check if the given pipe_format is supported as a texture or
-    * drawing surface.
-    * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
-    */
-   int is_format_supported( enum pipe_format format, 
-                            enum pipe_texture_target target,
-                            unsigned tex_usage, 
-                            unsigned geom_flags ) {
-      return $self->screen->is_format_supported( $self->screen, 
-                                                 format, 
-                                                 target, 
-                                                 tex_usage, 
-                                                 geom_flags );
-   }
-
-   struct st_context *
-   context_create(void) {
-      return st_context_create($self);
-   }
-
-   struct pipe_texture * 
-   texture_create(
-         enum pipe_format format,
-         unsigned width,
-         unsigned height,
-         unsigned depth = 1,
-         unsigned last_level = 0,
-         enum pipe_texture_target target = PIPE_TEXTURE_2D,
-         unsigned tex_usage = 0
-      ) {
-      struct pipe_texture templat;
-      memset(&templat, 0, sizeof(templat));
-      templat.format = format;
-      pf_get_block(templat.format, &templat.block);
-      templat.width[0] = width;
-      templat.height[0] = height;
-      templat.depth[0] = depth;
-      templat.last_level = last_level;
-      templat.target = target;
-      templat.tex_usage = tex_usage;
-      return $self->screen->texture_create($self->screen, &templat);
-   }
-   
-   struct pipe_buffer *
-   buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) {
-      return $self->screen->winsys->buffer_create($self->screen->winsys, alignment, usage, size);
-   }
-
-};
-
-
-%extend st_context {
-   
-   ~st_context() {
-      st_context_destroy($self);
-   }
-   
-   /*
-    * State functions (create/bind/destroy state objects)
-    */
-
-   void set_blend( const struct pipe_blend_state *state ) {
-      cso_set_blend($self->cso, state);
-   }
-   
-   void set_sampler( unsigned index, const struct pipe_sampler_state *state ) {
-      cso_single_sampler($self->cso, index, state);
-      cso_single_sampler_done($self->cso);
-   }
-
-   void set_rasterizer( const struct pipe_rasterizer_state *state ) {
-      cso_set_rasterizer($self->cso, state);
-   }
-
-   void set_depth_stencil_alpha(const struct pipe_depth_stencil_alpha_state *state) {
-      cso_set_depth_stencil_alpha($self->cso, state);
-   }
-
-   void set_fragment_shader( const struct pipe_shader_state *state ) {
-      void *fs;
-      
-      fs = $self->pipe->create_fs_state($self->pipe, state);
-      if(!fs)
-         return;
-      
-      if(cso_set_fragment_shader_handle($self->cso, fs) != PIPE_OK)
-         return;
-
-      cso_delete_fragment_shader($self->cso, $self->fs);
-      $self->fs = fs;
-   }
-
-   void set_vertex_shader( const struct pipe_shader_state *state ) {
-      void *vs;
-      
-      vs = $self->pipe->create_vs_state($self->pipe, state);
-      if(!vs)
-         return;
-      
-      if(cso_set_vertex_shader_handle($self->cso, vs) != PIPE_OK)
-         return;
-
-      cso_delete_vertex_shader($self->cso, $self->vs);
-      $self->vs = vs;
-   }
-
-   /*
-    * Parameter-like state (or properties)
-    */
-   
-   void set_blend_color(const struct pipe_blend_color *state ) {
-      cso_set_blend_color($self->cso, state);
-   }
-
-   void set_clip(const struct pipe_clip_state *state ) {
-      $self->pipe->set_clip_state($self->pipe, state);
-   }
-
-   void set_constant_buffer(unsigned shader, unsigned index,
-                            const struct pipe_constant_buffer *buf ) {
-      $self->pipe->set_constant_buffer($self->pipe, shader, index, buf);
-   }
-
-   void set_framebuffer(const struct pipe_framebuffer_state *state ) {
-      cso_set_framebuffer($self->cso, state);
-   }
-
-   void set_polygon_stipple(const struct pipe_poly_stipple *state ) {
-      $self->pipe->set_polygon_stipple($self->pipe, state);
-   }
-
-   void set_scissor(const struct pipe_scissor_state *state ) {
-      $self->pipe->set_scissor_state($self->pipe, state);
-   }
-
-   void set_viewport(const struct pipe_viewport_state *state) {
-      cso_set_viewport($self->cso, state);
-   }
-
-   void set_sampler_texture(unsigned index,
-                            struct pipe_texture *texture) {
-      if(!texture)
-         texture = $self->default_texture;
-      pipe_texture_reference(&$self->sampler_textures[index], texture);
-      $self->pipe->set_sampler_textures($self->pipe, 
-                                        PIPE_MAX_SAMPLERS,
-                                        $self->sampler_textures);
-   }
-
-   void set_vertex_buffer(unsigned index,
-                          const struct pipe_vertex_buffer *buffer) {
-      memcpy(&$self->vertex_buffers[index], buffer, sizeof(*buffer));
-      $self->pipe->set_vertex_buffers($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_buffers);
-   }
-
-   void set_vertex_element(unsigned index,
-                           const struct pipe_vertex_element *element) {
-      memcpy(&$self->vertex_elements[index], element, sizeof(*element));
-      $self->pipe->set_vertex_elements($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_elements);
-   }
-
-   /*
-    * Draw functions
-    */
-   
-   void draw_arrays(unsigned mode, unsigned start, unsigned count) {
-      $self->pipe->draw_arrays($self->pipe, mode, start, count);
-   }
-
-   void draw_elements( struct pipe_buffer *indexBuffer,
-                       unsigned indexSize,
-                       unsigned mode, unsigned start, unsigned count) {
-      $self->pipe->draw_elements($self->pipe, indexBuffer, indexSize, mode, start, count);
-   }
-
-   void draw_vertices(unsigned prim,
-                      unsigned num_verts,
-                      unsigned num_attribs,
-                      const float *vertices) 
-   {
-      struct pipe_context *pipe = $self->pipe;
-      struct pipe_winsys *winsys = pipe->winsys;
-      struct pipe_buffer *vbuf;
-      float *map;
-      unsigned size;
-
-      size = num_verts * num_attribs * 4 * sizeof(float);
-
-      vbuf = winsys->buffer_create(winsys,
-                                   32,
-                                   PIPE_BUFFER_USAGE_VERTEX, 
-                                   size);
-      if(!vbuf)
-         goto error1;
-      
-      map = winsys->buffer_map(winsys, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
-      if (!map)
-         goto error2;
-      memcpy(map, vertices, size);
-      pipe->winsys->buffer_unmap(pipe->winsys, vbuf);
-      
-      util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs);
-      
-error2:
-      pipe_buffer_reference(pipe->winsys, &vbuf, NULL);
-error1:
-      ;
-   }
-   
-   void
-   flush(void) {
-      struct pipe_fence_handle *fence = NULL; 
-      $self->pipe->flush($self->pipe, PIPE_FLUSH_RENDER_CACHE, &fence);
-      /* TODO: allow asynchronous operation */ 
-      $self->pipe->winsys->fence_finish( $self->pipe->winsys, fence, 0 );
-      $self->pipe->winsys->fence_reference( $self->pipe->winsys, &fence, NULL );
-   }
-
-   /*
-    * Surface functions
-    */
-   
-   void surface_copy(int do_flip,
-                     struct pipe_surface *dest,
-                     unsigned destx, unsigned desty,
-                     struct pipe_surface *src,
-                     unsigned srcx, unsigned srcy,
-                     unsigned width, unsigned height) {
-      $self->pipe->surface_copy($self->pipe, do_flip, dest, destx, desty, src, srcx, srcy, width, height);
-   }
-
-   void surface_fill(struct pipe_surface *dst,
-                     unsigned x, unsigned y,
-                     unsigned width, unsigned height,
-                     unsigned value) {
-      $self->pipe->surface_fill($self->pipe, dst, x, y, width, height, value);
-   }
-
-   void surface_clear(struct pipe_surface *surface, unsigned value = 0) {
-      $self->pipe->clear($self->pipe, surface, value);
-   }
-
-};
-
-
-%newobject pipe_texture::get_surface;
-
-%extend pipe_texture {
-   
-   ~pipe_texture() {
-      struct pipe_texture *ptr = $self;
-      pipe_texture_reference(&ptr, NULL);
-   }
-   
-   unsigned get_width(unsigned level=0) {
-      return $self->width[level];
-   }
-   
-   unsigned get_height(unsigned level=0) {
-      return $self->height[level];
-   }
-   
-   unsigned get_depth(unsigned level=0) {
-      return $self->depth[level];
-   }
-   
-   unsigned get_nblocksx(unsigned level=0) {
-      return $self->nblocksx[level];
-   }
-   
-   unsigned get_nblocksy(unsigned level=0) {
-      return $self->nblocksy[level];
-   }
-   
-   /** Get a surface which is a "view" into a texture */
-   struct pipe_surface *
-   get_surface(unsigned face=0, unsigned level=0, unsigned zslice=0, unsigned usage=0 )
-   {
-      struct pipe_screen *screen = $self->screen;
-      return screen->get_tex_surface(screen, $self, face, level, zslice, usage);
-   }
-   
-};
-
-
-%extend pipe_surface {
-   
-   ~pipe_surface() {
-      struct pipe_surface *ptr = $self;
-      pipe_surface_reference(&ptr, NULL);
-   }
-   
-   // gets mapped to pipe_surface_map automatically
-   void * map( unsigned flags );
-
-   // gets mapped to pipe_surface_unmap automatically
-   void unmap( void );
-
-   void
-   get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, unsigned char *raw, unsigned stride) {
-      pipe_get_tile_raw($self, x, y, w, h, raw, stride);
-   }
-
-   void
-   put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned char *raw, unsigned stride) {
-      pipe_put_tile_raw($self, x, y, w, h, raw, stride);
-   }
-
-   void
-   get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
-      pipe_get_tile_rgba($self, x, y, w, h, rgba);
-   }
-
-   void
-   put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
-      pipe_put_tile_rgba($self, x, y, w, h, rgba);
-   }
-
-   void
-   get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) {
-      pipe_get_tile_z($self, x, y, w, h, z);
-   }
-
-   void
-   put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z) {
-      pipe_put_tile_z($self, x, y, w, h, z);
-   }
-   
-   void
-   sample_rgba(float *rgba) {
-      st_sample_surface($self, rgba);
-   }
-   
-   unsigned
-   compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0) 
-   {
-      float *rgba2;
-      const float *p1;
-      const float *p2;
-      unsigned i, j, n;
-      
-      rgba2 = MALLOC(h*w*4*sizeof(float));
-      if(!rgba2)
-         return ~0;
-
-      pipe_get_tile_rgba($self, x, y, w, h, rgba2);
-
-      p1 = rgba;
-      p2 = rgba2;
-      n = 0;
-      for(i = h*w; i; --i) {
-         unsigned differs = 0;
-         for(j = 4; j; --j) {
-            float delta = *p2++ - *p1++;
-            if (delta < -tol || delta > tol)
-                differs = 1;
-         }
-         n += differs;
-      }
-      
-      FREE(rgba2);
-      
-      return n;
-   }
-
-};
-
-
-%extend pipe_framebuffer_state {
-   
-   pipe_framebuffer_state(void) {
-      return CALLOC_STRUCT(pipe_framebuffer_state);
-   }
-   
-   ~pipe_framebuffer_state() {
-      unsigned index;
-      for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index)
-         pipe_surface_reference(&$self->cbufs[index], NULL);
-      pipe_surface_reference(&$self->zsbuf, NULL);
-      FREE($self);
-   }
-   
-   void
-   set_cbuf(unsigned index, struct pipe_surface *surface) {
-      pipe_surface_reference(&$self->cbufs[index], surface);
-   }
-   
-   void
-   set_zsbuf(struct pipe_surface *surface) {
-      pipe_surface_reference(&$self->zsbuf, surface);
-   }
-   
-};
-
+%include "p_format.i"
 
-%extend pipe_shader_state {
-   
-   pipe_shader_state(const char *text, unsigned num_tokens = 1024) {
-      struct tgsi_token *tokens;
-      struct pipe_shader_state *shader;
-      
-      tokens = MALLOC(num_tokens * sizeof(struct tgsi_token));
-      if(!tokens)
-         goto error1;
-      
-      if(tgsi_text_translate(text, tokens, num_tokens ) != TRUE)
-         goto error2;
-      
-      shader = CALLOC_STRUCT(pipe_shader_state);
-      if(!shader)
-         goto error3;
-      
-      shader->tokens = tokens;
-      
-      return shader;
-      
-error3:
-error2:
-      FREE(tokens);
-error1:      
-      return NULL;
-   }
-   
-   ~pipe_shader_state() {
-      FREE((void*)$self->tokens);
-      FREE($self);
-   }
+%include "p_device.i"
+%include "p_context.i"
+%include "p_texture.i"
+%include "p_state.i"
 
-   void dump(unsigned flags = 0) {
-      tgsi_dump($self->tokens, flags);
-   }
-}
\ No newline at end of file
diff --git a/src/gallium/state_trackers/python/p_compiler.i b/src/gallium/state_trackers/python/p_compiler.i
new file mode 100644
index 00000000000..15f6ba5b9db
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_compiler.i
@@ -0,0 +1,29 @@
+ /**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+
+typedef unsigned char ubyte;
diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i
new file mode 100644
index 00000000000..521a2dee075
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_context.i
@@ -0,0 +1,257 @@
+ /**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+%nodefaultctor st_context;
+%nodefaultdtor st_context;
+
+struct st_context {
+};
+
+%extend st_context {
+   
+   ~st_context() {
+      st_context_destroy($self);
+   }
+   
+   /*
+    * State functions (create/bind/destroy state objects)
+    */
+
+   void set_blend( const struct pipe_blend_state *state ) {
+      cso_set_blend($self->cso, state);
+   }
+   
+   void set_sampler( unsigned index, const struct pipe_sampler_state *state ) {
+      cso_single_sampler($self->cso, index, state);
+      cso_single_sampler_done($self->cso);
+   }
+
+   void set_rasterizer( const struct pipe_rasterizer_state *state ) {
+      cso_set_rasterizer($self->cso, state);
+   }
+
+   void set_depth_stencil_alpha(const struct pipe_depth_stencil_alpha_state *state) {
+      cso_set_depth_stencil_alpha($self->cso, state);
+   }
+
+   void set_fragment_shader( const struct pipe_shader_state *state ) {
+      void *fs;
+      
+      fs = $self->pipe->create_fs_state($self->pipe, state);
+      if(!fs)
+         return;
+      
+      if(cso_set_fragment_shader_handle($self->cso, fs) != PIPE_OK)
+         return;
+
+      cso_delete_fragment_shader($self->cso, $self->fs);
+      $self->fs = fs;
+   }
+
+   void set_vertex_shader( const struct pipe_shader_state *state ) {
+      void *vs;
+      
+      vs = $self->pipe->create_vs_state($self->pipe, state);
+      if(!vs)
+         return;
+      
+      if(cso_set_vertex_shader_handle($self->cso, vs) != PIPE_OK)
+         return;
+
+      cso_delete_vertex_shader($self->cso, $self->vs);
+      $self->vs = vs;
+   }
+
+   /*
+    * Parameter-like state (or properties)
+    */
+   
+   void set_blend_color(const struct pipe_blend_color *state ) {
+      cso_set_blend_color($self->cso, state);
+   }
+
+   void set_clip(const struct pipe_clip_state *state ) {
+      $self->pipe->set_clip_state($self->pipe, state);
+   }
+
+   void set_constant_buffer(unsigned shader, unsigned index,
+                            struct st_buffer *buffer ) 
+   {
+      struct pipe_constant_buffer state;
+      memset(&state, 0, sizeof(state));
+      state.buffer = buffer->buffer;
+      state.size = buffer->buffer->size;
+      $self->pipe->set_constant_buffer($self->pipe, shader, index, &state);
+   }
+
+   void set_framebuffer(const struct pipe_framebuffer_state *state ) {
+      cso_set_framebuffer($self->cso, state);
+   }
+
+   void set_polygon_stipple(const struct pipe_poly_stipple *state ) {
+      $self->pipe->set_polygon_stipple($self->pipe, state);
+   }
+
+   void set_scissor(const struct pipe_scissor_state *state ) {
+      $self->pipe->set_scissor_state($self->pipe, state);
+   }
+
+   void set_viewport(const struct pipe_viewport_state *state) {
+      cso_set_viewport($self->cso, state);
+   }
+
+   void set_sampler_texture(unsigned index,
+                            struct pipe_texture *texture) {
+      if(!texture)
+         texture = $self->default_texture;
+      pipe_texture_reference(&$self->sampler_textures[index], texture);
+      $self->pipe->set_sampler_textures($self->pipe, 
+                                        PIPE_MAX_SAMPLERS,
+                                        $self->sampler_textures);
+   }
+
+   void set_vertex_buffer(unsigned index,
+                          unsigned pitch, 
+                          unsigned max_index,
+                          unsigned buffer_offset,
+                          struct st_buffer *buffer)
+   {
+      unsigned i, num_vertex_buffers;
+      struct pipe_vertex_buffer state;
+      
+      memset(&state, 0, sizeof(state));
+      state.pitch = pitch;
+      state.max_index = max_index;
+      state.buffer_offset = buffer_offset;
+      state.buffer = buffer->buffer;
+
+      memcpy(&$self->vertex_buffers[index], &state, sizeof(state));
+      
+      for(i = 0; i < PIPE_MAX_ATTRIBS; ++i)
+         if(self->vertex_buffers[i].buffer)
+            num_vertex_buffers = i + 1;
+      
+      $self->pipe->set_vertex_buffers($self->pipe, 
+                                      num_vertex_buffers, 
+                                      $self->vertex_buffers);
+   }
+
+   void set_vertex_element(unsigned index,
+                           const struct pipe_vertex_element *element) {
+      memcpy(&$self->vertex_elements[index], element, sizeof(*element));
+      $self->pipe->set_vertex_elements($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_elements);
+   }
+
+   /*
+    * Draw functions
+    */
+   
+   void draw_arrays(unsigned mode, unsigned start, unsigned count) {
+      $self->pipe->draw_arrays($self->pipe, mode, start, count);
+   }
+
+   void draw_elements( struct st_buffer *indexBuffer,
+                       unsigned indexSize,
+                       unsigned mode, unsigned start, unsigned count) {
+      $self->pipe->draw_elements($self->pipe, indexBuffer->buffer, indexSize, mode, start, count);
+   }
+
+   void draw_vertices(unsigned prim,
+                      unsigned num_verts,
+                      unsigned num_attribs,
+                      const float *vertices) 
+   {
+      struct pipe_context *pipe = $self->pipe;
+      struct pipe_winsys *winsys = pipe->winsys;
+      struct pipe_buffer *vbuf;
+      float *map;
+      unsigned size;
+
+      size = num_verts * num_attribs * 4 * sizeof(float);
+
+      vbuf = winsys->buffer_create(winsys,
+                                   32,
+                                   PIPE_BUFFER_USAGE_VERTEX, 
+                                   size);
+      if(!vbuf)
+         goto error1;
+      
+      map = winsys->buffer_map(winsys, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
+      if (!map)
+         goto error2;
+      memcpy(map, vertices, size);
+      pipe->winsys->buffer_unmap(pipe->winsys, vbuf);
+      
+      util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs);
+      
+error2:
+      pipe_buffer_reference(pipe->winsys, &vbuf, NULL);
+error1:
+      ;
+   }
+   
+   void
+   flush(void) {
+      struct pipe_fence_handle *fence = NULL; 
+      $self->pipe->flush($self->pipe, PIPE_FLUSH_RENDER_CACHE, &fence);
+      /* TODO: allow asynchronous operation */ 
+      $self->pipe->winsys->fence_finish( $self->pipe->winsys, fence, 0 );
+      $self->pipe->winsys->fence_reference( $self->pipe->winsys, &fence, NULL );
+   }
+
+   /*
+    * Surface functions
+    */
+   
+   void surface_copy(int do_flip,
+                     struct pipe_surface *dest,
+                     unsigned destx, unsigned desty,
+                     struct pipe_surface *src,
+                     unsigned srcx, unsigned srcy,
+                     unsigned width, unsigned height) {
+      $self->pipe->surface_copy($self->pipe, do_flip, dest, destx, desty, src, srcx, srcy, width, height);
+   }
+
+   void surface_fill(struct pipe_surface *dst,
+                     unsigned x, unsigned y,
+                     unsigned width, unsigned height,
+                     unsigned value) {
+      $self->pipe->surface_fill($self->pipe, dst, x, y, width, height, value);
+   }
+
+   void surface_clear(struct pipe_surface *surface, unsigned value = 0) {
+      $self->pipe->clear($self->pipe, surface, value);
+   }
+
+};
diff --git a/src/gallium/state_trackers/python/p_device.i b/src/gallium/state_trackers/python/p_device.i
new file mode 100644
index 00000000000..84fd2e4349b
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_device.i
@@ -0,0 +1,130 @@
+ /**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+
+%nodefaultctor st_device;
+%nodefaultdtor st_device;
+
+
+struct st_device {
+};
+
+%newobject st_device::texture_create;
+%newobject st_device::context_create;
+%newobject st_device::buffer_create;
+
+%extend st_device {
+   
+   st_device(int hardware = 1) {
+      return st_device_create(hardware ? TRUE : FALSE);
+   }
+
+   ~st_device() {
+      st_device_destroy($self);
+   }
+   
+   const char * get_name( void ) {
+      return $self->screen->get_name($self->screen);
+   }
+
+   const char * get_vendor( void ) {
+      return $self->screen->get_vendor($self->screen);
+   }
+
+   /**
+    * Query an integer-valued capability/parameter/limit
+    * \param param  one of PIPE_CAP_x
+    */
+   int get_param( int param ) {
+      return $self->screen->get_param($self->screen, param);
+   }
+
+   /**
+    * Query a float-valued capability/parameter/limit
+    * \param param  one of PIPE_CAP_x
+    */
+   float get_paramf( int param ) {
+      return $self->screen->get_paramf($self->screen, param);
+   }
+
+   /**
+    * Check if the given pipe_format is supported as a texture or
+    * drawing surface.
+    * \param type  one of PIPE_TEXTURE, PIPE_SURFACE
+    */
+   int is_format_supported( enum pipe_format format, 
+                            enum pipe_texture_target target,
+                            unsigned tex_usage, 
+                            unsigned geom_flags ) {
+      return $self->screen->is_format_supported( $self->screen, 
+                                                 format, 
+                                                 target, 
+                                                 tex_usage, 
+                                                 geom_flags );
+   }
+
+   struct st_context *
+   context_create(void) {
+      return st_context_create($self);
+   }
+
+   struct pipe_texture * 
+   texture_create(
+         enum pipe_format format,
+         unsigned width,
+         unsigned height,
+         unsigned depth = 1,
+         unsigned last_level = 0,
+         enum pipe_texture_target target = PIPE_TEXTURE_2D,
+         unsigned tex_usage = 0
+      ) {
+      struct pipe_texture templat;
+      memset(&templat, 0, sizeof(templat));
+      templat.format = format;
+      pf_get_block(templat.format, &templat.block);
+      templat.width[0] = width;
+      templat.height[0] = height;
+      templat.depth[0] = depth;
+      templat.last_level = last_level;
+      templat.target = target;
+      templat.tex_usage = tex_usage;
+      return $self->screen->texture_create($self->screen, &templat);
+   }
+   
+   struct st_buffer *
+   buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) {
+      return st_buffer_create($self, alignment, usage, size);
+   }
+
+};
diff --git a/src/gallium/state_trackers/python/p_state.i b/src/gallium/state_trackers/python/p_state.i
new file mode 100644
index 00000000000..9834229b4b5
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_state.i
@@ -0,0 +1,103 @@
+ /**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+%module gallium;
+
+%include "pipe/p_state.h";
+
+
+%extend pipe_framebuffer_state {
+   
+   pipe_framebuffer_state(void) {
+      return CALLOC_STRUCT(pipe_framebuffer_state);
+   }
+   
+   ~pipe_framebuffer_state() {
+      unsigned index;
+      for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index)
+         pipe_surface_reference(&$self->cbufs[index], NULL);
+      pipe_surface_reference(&$self->zsbuf, NULL);
+      FREE($self);
+   }
+   
+   void
+   set_cbuf(unsigned index, struct pipe_surface *surface) {
+      pipe_surface_reference(&$self->cbufs[index], surface);
+   }
+   
+   void
+   set_zsbuf(struct pipe_surface *surface) {
+      pipe_surface_reference(&$self->zsbuf, surface);
+   }
+   
+};
+
+
+%extend pipe_shader_state {
+   
+   pipe_shader_state(const char *text, unsigned num_tokens = 1024) {
+      struct tgsi_token *tokens;
+      struct pipe_shader_state *shader;
+      
+      tokens = MALLOC(num_tokens * sizeof(struct tgsi_token));
+      if(!tokens)
+         goto error1;
+      
+      if(tgsi_text_translate(text, tokens, num_tokens ) != TRUE)
+         goto error2;
+      
+      shader = CALLOC_STRUCT(pipe_shader_state);
+      if(!shader)
+         goto error3;
+      
+      shader->tokens = tokens;
+      
+      return shader;
+      
+error3:
+error2:
+      FREE(tokens);
+error1:      
+      return NULL;
+   }
+   
+   ~pipe_shader_state() {
+      FREE((void*)$self->tokens);
+      FREE($self);
+   }
+
+   void dump(unsigned flags = 0) {
+      tgsi_dump($self->tokens, flags);
+   }
+}
diff --git a/src/gallium/state_trackers/python/p_texture.i b/src/gallium/state_trackers/python/p_texture.i
new file mode 100644
index 00000000000..fd38e0733fb
--- /dev/null
+++ b/src/gallium/state_trackers/python/p_texture.i
@@ -0,0 +1,192 @@
+ /**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/**
+ * @file
+ * SWIG interface definion for Gallium types.
+ *
+ * @author Jose Fonseca <[email protected]>
+ */
+
+
+%nodefaultctor pipe_texture;
+%nodefaultctor pipe_surface;
+%nodefaultctor st_buffer;
+
+%nodefaultdtor pipe_texture;
+%nodefaultdtor pipe_surface;
+%nodefaultdtor st_buffer;
+
+%ignore pipe_texture::screen;
+
+%ignore pipe_surface::winsys;
+%immutable pipe_surface::texture;
+%immutable pipe_surface::buffer;
+
+%newobject pipe_texture::get_surface;
+
+
+%extend pipe_texture {
+   
+   ~pipe_texture() {
+      struct pipe_texture *ptr = $self;
+      pipe_texture_reference(&ptr, NULL);
+   }
+   
+   unsigned get_width(unsigned level=0) {
+      return $self->width[level];
+   }
+   
+   unsigned get_height(unsigned level=0) {
+      return $self->height[level];
+   }
+   
+   unsigned get_depth(unsigned level=0) {
+      return $self->depth[level];
+   }
+   
+   unsigned get_nblocksx(unsigned level=0) {
+      return $self->nblocksx[level];
+   }
+   
+   unsigned get_nblocksy(unsigned level=0) {
+      return $self->nblocksy[level];
+   }
+   
+   /** Get a surface which is a "view" into a texture */
+   struct pipe_surface *
+   get_surface(unsigned face=0, unsigned level=0, unsigned zslice=0, unsigned usage=0 )
+   {
+      struct pipe_screen *screen = $self->screen;
+      return screen->get_tex_surface(screen, $self, face, level, zslice, usage);
+   }
+   
+};
+
+
+%extend pipe_surface {
+   
+   ~pipe_surface() {
+      struct pipe_surface *ptr = $self;
+      pipe_surface_reference(&ptr, NULL);
+   }
+   
+   // gets mapped to pipe_surface_map automatically
+   void * map( unsigned flags );
+
+   // gets mapped to pipe_surface_unmap automatically
+   void unmap( void );
+
+   void
+   get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, unsigned char *raw, unsigned stride) {
+      pipe_get_tile_raw($self, x, y, w, h, raw, stride);
+   }
+
+   void
+   put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned char *raw, unsigned stride) {
+      pipe_put_tile_raw($self, x, y, w, h, raw, stride);
+   }
+
+   void
+   get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
+      pipe_get_tile_rgba($self, x, y, w, h, rgba);
+   }
+
+   void
+   put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
+      pipe_put_tile_rgba($self, x, y, w, h, rgba);
+   }
+
+   void
+   get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) {
+      pipe_get_tile_z($self, x, y, w, h, z);
+   }
+
+   void
+   put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z) {
+      pipe_put_tile_z($self, x, y, w, h, z);
+   }
+   
+   void
+   sample_rgba(float *rgba) {
+      st_sample_surface($self, rgba);
+   }
+   
+   unsigned
+   compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0) 
+   {
+      float *rgba2;
+      const float *p1;
+      const float *p2;
+      unsigned i, j, n;
+      
+      rgba2 = MALLOC(h*w*4*sizeof(float));
+      if(!rgba2)
+         return ~0;
+
+      pipe_get_tile_rgba($self, x, y, w, h, rgba2);
+
+      p1 = rgba;
+      p2 = rgba2;
+      n = 0;
+      for(i = h*w; i; --i) {
+         unsigned differs = 0;
+         for(j = 4; j; --j) {
+            float delta = *p2++ - *p1++;
+            if (delta < -tol || delta > tol)
+                differs = 1;
+         }
+         n += differs;
+      }
+      
+      FREE(rgba2);
+      
+      return n;
+   }
+
+};
+
+struct st_buffer {
+};
+
+%extend st_buffer {
+   
+   ~st_buffer() {
+      st_buffer_destroy($self);
+   }
+   
+   void write( const char *STRING, unsigned LENGTH, unsigned offset = 0) {
+      struct pipe_winsys *winsys = $self->st_dev->screen->winsys;
+      char *map;
+      
+      map = winsys->buffer_map(winsys, $self->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
+      if(!map) {
+         memcpy(map + offset, STRING, LENGTH);
+         winsys->buffer_unmap(winsys, $self->buffer);
+      }
+   }
+};
diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c
index 2e53a83eea9..fbd56712e01 100644
--- a/src/gallium/state_trackers/python/st_device.c
+++ b/src/gallium/state_trackers/python/st_device.c
@@ -266,3 +266,36 @@ st_context_create(struct st_device *st_dev)
 
    return st_ctx;
 }
+
+
+void
+st_buffer_destroy(struct st_buffer *st_buf)
+{
+   if(st_buf) {
+      struct pipe_winsys *winsys = st_buf->st_dev->screen->winsys;
+      pipe_buffer_reference(winsys, &st_buf->buffer, NULL);
+      FREE(st_buf);
+   }
+}
+
+
+struct st_buffer *
+st_buffer_create(struct st_device *st_dev,
+                 unsigned alignment, unsigned usage, unsigned size)
+{
+   struct pipe_winsys *winsys = st_dev->screen->winsys;
+   struct st_buffer *st_buf;
+   
+   st_buf = CALLOC_STRUCT(st_buffer);
+   if(!st_buf)
+      return NULL;
+
+   st_buf->st_dev = st_dev;
+   
+   st_buf->buffer = winsys->buffer_create(winsys, alignment, usage, size);
+   if(!st_buf->buffer)
+      st_buffer_destroy(st_buf);
+   
+   return st_buf;
+}
+
diff --git a/src/gallium/state_trackers/python/st_device.h b/src/gallium/state_trackers/python/st_device.h
index 2d95c2da731..5b7adbe1a0b 100644
--- a/src/gallium/state_trackers/python/st_device.h
+++ b/src/gallium/state_trackers/python/st_device.h
@@ -38,6 +38,13 @@ struct pipe_context;
 struct st_winsys; 
 
 
+struct st_buffer {
+   struct st_device *st_dev;
+   
+   struct pipe_buffer *buffer;
+};
+
+
 struct st_context {
    struct st_device *st_dev;
    
@@ -65,6 +72,13 @@ struct st_device {
 };
 
 
+struct st_buffer *
+st_buffer_create(struct st_device *st_dev,
+                 unsigned alignment, unsigned usage, unsigned size);
+
+void
+st_buffer_destroy(struct st_buffer *st_buf);
+
 struct st_context *
 st_context_create(struct st_device *st_dev);
 
diff --git a/src/gallium/winsys/gdi/wgl.c b/src/gallium/winsys/gdi/wgl.c
index 50126014a86..3ce470480d4 100644
--- a/src/gallium/winsys/gdi/wgl.c
+++ b/src/gallium/winsys/gdi/wgl.c
@@ -1,5 +1,3 @@
-/* $Id: wgl.c,v 1.12 2006/03/30 07:58:24 kschultz Exp $ */
-
 /*
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
diff --git a/src/glut/os2/WarpWin.cpp b/src/glut/os2/WarpWin.cpp
index bd5a6e80c7f..71cc8e1bc9c 100644
--- a/src/glut/os2/WarpWin.cpp
+++ b/src/glut/os2/WarpWin.cpp
@@ -417,4 +417,3 @@ void ScreenToClient( HWND hwnd,   POINTL *point)
   point->y -= swp_src.y;
 }
 
-
\ No newline at end of file
diff --git a/src/glut/os2/glut_cindex.cpp b/src/glut/os2/glut_cindex.cpp
index 34841850519..fa6d2f12d65 100644
--- a/src/glut/os2/glut_cindex.cpp
+++ b/src/glut/os2/glut_cindex.cpp
@@ -256,4 +256,3 @@ bla bla bla
 #endif
 }
 /* ENDCENTRY */
-
\ No newline at end of file
diff --git a/src/glut/os2/glut_gamemode.cpp b/src/glut/os2/glut_gamemode.cpp
index 39918fdf39b..1756e8a4b56 100644
--- a/src/glut/os2/glut_gamemode.cpp
+++ b/src/glut/os2/glut_gamemode.cpp
@@ -677,4 +677,3 @@ glutGameModeGet(GLenum mode)
     return -1;
   }
 }
-
\ No newline at end of file
diff --git a/src/glut/os2/glut_win.cpp b/src/glut/os2/glut_win.cpp
index 53ff5d5d953..63757d71522 100644
--- a/src/glut/os2/glut_win.cpp
+++ b/src/glut/os2/glut_win.cpp
@@ -1218,4 +1218,3 @@ glutReshapeFunc(GLUTreshapeCB reshapeFunc)
     __glutCurrentWindow->reshape = __glutDefaultReshape;
   }
 }
-
\ No newline at end of file
diff --git a/src/glut/os2/glut_winmisc.cpp b/src/glut/os2/glut_winmisc.cpp
index 456d19a8c18..7cd6699924f 100644
--- a/src/glut/os2/glut_winmisc.cpp
+++ b/src/glut/os2/glut_winmisc.cpp
@@ -124,4 +124,3 @@ glutHideWindow(void)
 }
 
 /* ENDCENTRY */
-
\ No newline at end of file
diff --git a/src/glut/os2/os2_glx.cpp b/src/glut/os2/os2_glx.cpp
index 5e135bc17e9..bf116e49c9f 100644
--- a/src/glut/os2/os2_glx.cpp
+++ b/src/glut/os2/os2_glx.cpp
@@ -143,4 +143,3 @@ XVisualInfo * glXChooseVisual(int mode)
 #if POKA
 #endif /* POKA */
 
-
\ No newline at end of file
diff --git a/src/glut/os2/os2_menu.cpp b/src/glut/os2/os2_menu.cpp
index 56f2cdef8b2..f140e9c79b0 100644
--- a/src/glut/os2/os2_menu.cpp
+++ b/src/glut/os2/os2_menu.cpp
@@ -530,4 +530,3 @@ glutDetachMenu(int button)
   }
 }
 
-
\ No newline at end of file
diff --git a/src/glut/os2/os2_winproc.cpp b/src/glut/os2/os2_winproc.cpp
index 6ffe0d4624b..9cbdec1cd29 100644
--- a/src/glut/os2/os2_winproc.cpp
+++ b/src/glut/os2/os2_winproc.cpp
@@ -1294,4 +1294,3 @@ Bool __glutSetWindowText(Window window, char *text)
 }
 
 #endif
-
\ No newline at end of file
diff --git a/src/glx/x11/Makefile b/src/glx/x11/Makefile
index b404727f08b..c99bcf26a90 100644
--- a/src/glx/x11/Makefile
+++ b/src/glx/x11/Makefile
@@ -33,7 +33,7 @@ SOURCES = \
 	  dri_glx.c \
 	  XF86dri.c
 
-include $(TOP)/src/mesa/sources
+include $(TOP)/src/mesa/sources.mak
 
 MESA_GLAPI_ASM_SOURCES = $(addprefix $(TOP)/src/mesa/, $(GLAPI_ASM_SOURCES))
 MESA_GLAPI_SOURCES = $(addprefix $(TOP)/src/mesa/, $(GLAPI_SOURCES))
diff --git a/src/mesa/Makefile b/src/mesa/Makefile
index cf75baa706d..cd42cd654b0 100644
--- a/src/mesa/Makefile
+++ b/src/mesa/Makefile
@@ -3,7 +3,7 @@
 TOP = ../..
 include $(TOP)/configs/current
 
-include sources
+include sources.mak
 
 
 .SUFFIXES : .cpp
diff --git a/src/mesa/main/glheader.h b/src/mesa/main/glheader.h
index 3131a356b86..f0f97c218c2 100644
--- a/src/mesa/main/glheader.h
+++ b/src/mesa/main/glheader.h
@@ -176,6 +176,10 @@
 #endif
 
 
+#ifndef GL_OES_draw_texture
+#define GL_TEXTURE_CROP_RECT_OES  0x8B9D
+#endif
+
 
 #if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP)
 #define CAPI _cdecl
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index a95f02b889b..71a4ca55bc4 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1434,6 +1434,7 @@ struct gl_texture_object
    GLenum DepthMode;		/**< GL_ARB_depth_texture */
    GLint _MaxLevel;		/**< actual max mipmap level (q in the spec) */
    GLfloat _MaxLambda;		/**< = _MaxLevel - BaseLevel (q - b in spec) */
+   GLint CropRect[4];           /**< GL_OES_draw_texture */
    GLboolean GenerateMipmap;    /**< GL_SGIS_generate_mipmap */
    GLboolean _Complete;		/**< Is texture object complete? */
 
@@ -1443,7 +1444,6 @@ struct gl_texture_object
    /** GL_EXT_paletted_texture */
    struct gl_color_table Palette;
 
-
    /**
     * \name For device driver.
     * Note: instead of attaching driver data to this pointer, it's preferable
diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c
index fbedbcb22c4..d16344a42c3 100644
--- a/src/mesa/main/points.c
+++ b/src/mesa/main/points.c
@@ -244,7 +244,11 @@ _mesa_init_point(GLcontext *ctx)
    ctx->Point.MaxSize
       = MAX2(ctx->Const.MaxPointSize, ctx->Const.MaxPointSizeAA);
    ctx->Point.Threshold = 1.0;
+#if FEATURE_es2_glsl
+   ctx->Point.PointSprite = GL_TRUE; /* GL_ARB/NV_point_sprite */
+#else
    ctx->Point.PointSprite = GL_FALSE; /* GL_ARB/NV_point_sprite */
+#endif
    ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
    ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */
    for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index af288c4e18c..3f3b448dbc6 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -409,6 +409,14 @@ _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
             }
          }
          break;
+#ifdef FEATURE_OES_draw_texture
+      case GL_TEXTURE_CROP_RECT_OES:
+         texObj->CropRect[0] = (GLint) params[0];
+         texObj->CropRect[1] = (GLint) params[1];
+         texObj->CropRect[2] = (GLint) params[2];
+         texObj->CropRect[3] = (GLint) params[3];
+         break;
+#endif
 
       default:
          _mesa_error(ctx, GL_INVALID_ENUM,
@@ -447,6 +455,12 @@ _mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params )
       fparam[2] = INT_TO_FLOAT(params[2]);
       fparam[3] = INT_TO_FLOAT(params[3]);
    }
+   else if (pname == GL_TEXTURE_CROP_RECT_OES) {
+      fparam[0] = (GLfloat) params[0];
+      fparam[1] = (GLfloat) params[1];
+      fparam[2] = (GLfloat) params[2];
+      fparam[3] = (GLfloat) params[3];
+   }
    else {
       if (pname == GL_TEXTURE_PRIORITY)
          fparam[0] = INT_TO_FLOAT(params[0]);
@@ -885,6 +899,14 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
 	 else 
 	    error = 1;
          break;
+#ifdef FEATURE_OES_draw_texture
+      case GL_TEXTURE_CROP_RECT_OES:
+         params[0] = obj->CropRect[0];
+         params[0] = obj->CropRect[1];
+         params[0] = obj->CropRect[2];
+         params[0] = obj->CropRect[3];
+         break;
+#endif
       default:
 	 error = 1;
 	 break;
@@ -1027,6 +1049,14 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
             return;
          }
          break;
+#ifdef FEATURE_OES_draw_texture
+      case GL_TEXTURE_CROP_RECT_OES:
+         params[0] = obj->CropRect[0];
+         params[0] = obj->CropRect[1];
+         params[0] = obj->CropRect[2];
+         params[0] = obj->CropRect[3];
+         break;
+#endif
       default:
          ; /* silence warnings */
    }
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 02e23aaa3a0..b03dd24d112 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -58,7 +58,11 @@ _mesa_init_program(GLcontext *ctx)
 
 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
    ctx->VertexProgram.Enabled = GL_FALSE;
+#if FEATURE_es2_glsl
+   ctx->VertexProgram.PointSizeEnabled = GL_TRUE;
+#else
    ctx->VertexProgram.PointSizeEnabled = GL_FALSE;
+#endif
    ctx->VertexProgram.TwoSideEnabled = GL_FALSE;
    _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
                             ctx->Shared->DefaultVertexProgram);
diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c
index d6a32310551..56f1eb832e9 100644
--- a/src/mesa/shader/programopt.c
+++ b/src/mesa/shader/programopt.c
@@ -368,9 +368,9 @@ _mesa_count_texture_instructions(struct gl_program *prog)
 
 /**
  * Scan/rewrite program to remove reads of custom (output) registers.
- * The passed type has to be either PROGRAM_VARYING or PROGRAM_OUTPUT.
- * In GLSL vertex shaders, varying vars can be read and written.
- * Normally, vertex varying vars are implemented as output registers.
+ * The passed type has to be either PROGRAM_OUTPUT or PROGRAM_VARYING
+ * (for vertex shaders).
+ * In GLSL shaders, varying vars can be read and written.
  * On some hardware, trying to read an output register causes trouble.
  * So, rewrite the program to use a temporary register in this case.
  */
@@ -381,8 +381,8 @@ _mesa_remove_output_reads(struct gl_program *prog, enum register_file type)
    GLint outputMap[VERT_RESULT_MAX];
    GLuint numVaryingReads = 0;
 
-   assert(prog->Target == GL_VERTEX_PROGRAM_ARB);
    assert(type == PROGRAM_VARYING || type == PROGRAM_OUTPUT);
+   assert(prog->Target == GL_VERTEX_PROGRAM_ARB || type != PROGRAM_VARYING);
 
    for (i = 0; i < VERT_RESULT_MAX; i++)
       outputMap[i] = -1;
diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c
index 2b5d5ec5853..d8b210be539 100644
--- a/src/mesa/shader/shader_api.c
+++ b/src/mesa/shader/shader_api.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.0
+ * Version:  7.1
  *
- * Copyright (C) 2004-2007  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2004-2008  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -720,6 +720,17 @@ sizeof_glsl_type(GLenum type)
    case GL_FLOAT:
    case GL_INT:
    case GL_BOOL:
+   case GL_SAMPLER_1D:
+   case GL_SAMPLER_2D:
+   case GL_SAMPLER_3D:
+   case GL_SAMPLER_CUBE:
+   case GL_SAMPLER_1D_SHADOW:
+   case GL_SAMPLER_2D_SHADOW:
+   case GL_SAMPLER_2D_RECT_ARB:
+   case GL_SAMPLER_2D_RECT_SHADOW_ARB:
+   case GL_SAMPLER_1D_ARRAY_SHADOW_EXT:
+   case GL_SAMPLER_2D_ARRAY_SHADOW_EXT:
+   case GL_SAMPLER_CUBE_SHADOW_EXT:
       return 1;
    case GL_FLOAT_VEC2:
    case GL_INT_VEC2:
diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index 9f2a4bdd075..e908e6c9401 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -872,35 +872,29 @@ vec4 mod(const vec4 a, const float b)
 
 vec2 mod(const vec2 a, const vec2 b)
 {
-    float oneOverBx, oneOverBy;
-    __asm float_rcp oneOverBx, b.x;
-    __asm float_rcp oneOverBy, b.y;
-    __retVal.x = a.x - b.x * floor(a.x * oneOverBx);
-    __retVal.y = a.y - b.y * floor(a.y * oneOverBy);
+    vec2 oneOverB;
+    __asm float_rcp oneOverB.x, b.x;
+    __asm float_rcp oneOverB.y, b.y;
+    __retVal = a - b * floor(a * oneOverB);
 }
 
 vec3 mod(const vec3 a, const vec3 b)
 {
-    float oneOverBx, oneOverBy, oneOverBz;
-    __asm float_rcp oneOverBx, b.x;
-    __asm float_rcp oneOverBy, b.y;
-    __asm float_rcp oneOverBz, b.z;
-    __retVal.x = a.x - b.x * floor(a.x * oneOverBx);
-    __retVal.y = a.y - b.y * floor(a.y * oneOverBy);
-    __retVal.z = a.z - b.z * floor(a.z * oneOverBz);
+    vec3 oneOverB;
+    __asm float_rcp oneOverB.x, b.x;
+    __asm float_rcp oneOverB.y, b.y;
+    __asm float_rcp oneOverB.z, b.z;
+    __retVal = a - b * floor(a * oneOverB);
 }
 
 vec4 mod(const vec4 a, const vec4 b)
 {
-    float oneOverBx, oneOverBy, oneOverBz, oneOverBw;
-    __asm float_rcp oneOverBx, b.x;
-    __asm float_rcp oneOverBy, b.y;
-    __asm float_rcp oneOverBz, b.z;
-    __asm float_rcp oneOverBw, b.w;
-    __retVal.x = a.x - b.x * floor(a.x * oneOverBx);
-    __retVal.y = a.y - b.y * floor(a.y * oneOverBy);
-    __retVal.z = a.z - b.z * floor(a.z * oneOverBz);
-    __retVal.w = a.w - b.w * floor(a.w * oneOverBw);
+    vec4 oneOverB;
+    __asm float_rcp oneOverB.x, b.x;
+    __asm float_rcp oneOverB.y, b.y;
+    __asm float_rcp oneOverB.z, b.z;
+    __asm float_rcp oneOverB.w, b.w;
+    __retVal = a - b * floor(a * oneOverB);
 }
 
 
@@ -1056,45 +1050,45 @@ vec4 mix(const vec4 x, const vec4 y, const vec4 a)
 }
 
 
-//// step (untested)
+//// step
 
 float step(const float edge, const float x)
 {
-   __asm vec4_sgt __retVal.x, x, edge;
+   __asm vec4_sge __retVal, x, edge;
 }
 
 vec2 step(const vec2 edge, const vec2 x)
 {
-   __asm vec4_sgt __retVal.xy, x, edge;
+   __asm vec4_sge __retVal.xy, x, edge;
 }
 
 vec3 step(const vec3 edge, const vec3 x)
 {
-   __asm vec4_sgt __retVal.xyz, x, edge;
+   __asm vec4_sge __retVal.xyz, x, edge;
 }
 
 vec4 step(const vec4 edge, const vec4 x)
 {
-   __asm vec4_sgt __retVal, x, edge;
+   __asm vec4_sge __retVal, x, edge;
 }
 
 vec2 step(const float edge, const vec2 v)
 {
-   __asm vec4_sgt __retVal.xy, v, edge.xx;
+   __asm vec4_sge __retVal.xy, v, edge;
 }
 
 vec3 step(const float edge, const vec3 v)
 {
-   __asm vec4_sgt __retVal.xyz, v, edge.xxx;
+   __asm vec4_sge __retVal.xyz, v, edge;
 }
 
 vec4 step(const float edge, const vec4 v)
 {
-   __asm vec4_sgt __retVal, v, edge.xxxx;
+   __asm vec4_sge __retVal, v, edge;
 }
 
 
-//// smoothstep (untested)
+//// smoothstep
 
 float smoothstep(const float edge0, const float edge1, const float x)
 {
@@ -1277,34 +1271,50 @@ vec4 reflect(const vec4 I, const vec4 N)
 
 float refract(const float I, const float N, const float eta)
 {
-   float k = 1.0 - eta * eta * (1.0 - dot(N, I) * dot(N, I));
+   float n_dot_i = dot(N, I);
+   float k = 1.0 - eta * eta * (1.0 - n_dot_i * n_dot_i);
+   float retval;
    if (k < 0.0)
-       return 0.0;
-   return eta * I - (eta * dot(N, I) + sqrt(k)) * N;
+      retval = 0.0;
+   else
+      retval = eta * I - (eta * n_dot_i + sqrt(k)) * N;
+   return retval;
 }
 
 vec2 refract(const vec2 I, const vec2 N, const float eta)
 {
-   float k = 1.0 - eta * eta * (1.0 - dot(N, I) * dot(N, I));
+   float n_dot_i = dot(N, I);
+   float k = 1.0 - eta * eta * (1.0 - n_dot_i * n_dot_i);
+   vec2 retval;
    if (k < 0.0)
-      return 0.0;
-   return eta * I - (eta * dot(N, I) + sqrt(k)) * N;
+      retval = vec2(0.0);
+   else
+      retval = eta * I - (eta * n_dot_i + sqrt(k)) * N;
+   return retval;
 }
 
 vec3 refract(const vec3 I, const vec3 N, const float eta)
 {
-   float k = 1.0 - eta * eta * (1.0 - dot(N, I) * dot(N, I));
+   float n_dot_i = dot(N, I);
+   float k = 1.0 - eta * eta * (1.0 - n_dot_i * n_dot_i);
+   vec3 retval;
    if (k < 0.0)
-      return 0.0;
-   return eta * I - (eta * dot(N, I) + sqrt(k)) * N;
+      retval = vec3(0.0);
+   else
+      retval = eta * I - (eta * n_dot_i + sqrt(k)) * N;
+   return retval;
 }
 
 vec4 refract(const vec4 I, const vec4 N, const float eta)
 {
-   float k = 1.0 - eta * eta * (1.0 - dot(N, I) * dot(N, I));
+   float n_dot_i = dot(N, I);
+   float k = 1.0 - eta * eta * (1.0 - n_dot_i * n_dot_i);
+   vec4 retval;
    if (k < 0.0)
-      return 0.0;
-   return eta * I - (eta * dot(N, I) + sqrt(k)) * N;
+      retval = vec4(0.0);
+   else
+      retval = eta * I - (eta * n_dot_i + sqrt(k)) * N;
+   return retval;
 }
 
 
diff --git a/src/mesa/shader/slang/library/slang_common_builtin_gc.h b/src/mesa/shader/slang/library/slang_common_builtin_gc.h
index c921f08a6b3..3b07c15785a 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin_gc.h
+++ b/src/mesa/shader/slang/library/slang_common_builtin_gc.h
@@ -392,110 +392,95 @@
 111,100,0,1,1,0,12,97,0,0,1,1,0,9,98,0,0,0,1,3,2,0,0,9,1,111,110,101,79,118,101,114,66,0,0,0,4,102,
 108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,0,18,98,0,0,0,9,18,95,95,114,101,
 116,86,97,108,0,18,97,0,18,98,0,58,102,108,111,111,114,0,18,97,0,18,111,110,101,79,118,101,114,66,
-0,48,0,0,48,47,20,0,0,1,0,0,10,0,109,111,100,0,1,1,0,10,97,0,0,1,1,0,10,98,0,0,0,1,3,2,0,0,9,1,111,
-110,101,79,118,101,114,66,120,0,0,1,1,111,110,101,79,118,101,114,66,121,0,0,0,4,102,108,111,97,116,
-95,114,99,112,0,18,111,110,101,79,118,101,114,66,120,0,0,18,98,0,59,120,0,0,0,4,102,108,111,97,116,
-95,114,99,112,0,18,111,110,101,79,118,101,114,66,121,0,0,18,98,0,59,121,0,0,0,9,18,95,95,114,101,
-116,86,97,108,0,59,120,0,18,97,0,59,120,0,18,98,0,59,120,0,58,102,108,111,111,114,0,18,97,0,59,120,
-0,18,111,110,101,79,118,101,114,66,120,0,48,0,0,48,47,20,0,9,18,95,95,114,101,116,86,97,108,0,59,
-121,0,18,97,0,59,121,0,18,98,0,59,121,0,58,102,108,111,111,114,0,18,97,0,59,121,0,18,111,110,101,
-79,118,101,114,66,121,0,48,0,0,48,47,20,0,0,1,0,0,11,0,109,111,100,0,1,1,0,11,97,0,0,1,1,0,11,98,0,
-0,0,1,3,2,0,0,9,1,111,110,101,79,118,101,114,66,120,0,0,1,1,111,110,101,79,118,101,114,66,121,0,0,
-1,1,111,110,101,79,118,101,114,66,122,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,
-118,101,114,66,120,0,0,18,98,0,59,120,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,
-118,101,114,66,121,0,0,18,98,0,59,121,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,
-118,101,114,66,122,0,0,18,98,0,59,122,0,0,0,9,18,95,95,114,101,116,86,97,108,0,59,120,0,18,97,0,59,
-120,0,18,98,0,59,120,0,58,102,108,111,111,114,0,18,97,0,59,120,0,18,111,110,101,79,118,101,114,66,
-120,0,48,0,0,48,47,20,0,9,18,95,95,114,101,116,86,97,108,0,59,121,0,18,97,0,59,121,0,18,98,0,59,
-121,0,58,102,108,111,111,114,0,18,97,0,59,121,0,18,111,110,101,79,118,101,114,66,121,0,48,0,0,48,
-47,20,0,9,18,95,95,114,101,116,86,97,108,0,59,122,0,18,97,0,59,122,0,18,98,0,59,122,0,58,102,108,
-111,111,114,0,18,97,0,59,122,0,18,111,110,101,79,118,101,114,66,122,0,48,0,0,48,47,20,0,0,1,0,0,12,
-0,109,111,100,0,1,1,0,12,97,0,0,1,1,0,12,98,0,0,0,1,3,2,0,0,9,1,111,110,101,79,118,101,114,66,120,
-0,0,1,1,111,110,101,79,118,101,114,66,121,0,0,1,1,111,110,101,79,118,101,114,66,122,0,0,1,1,111,
-110,101,79,118,101,114,66,119,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,
-114,66,120,0,0,18,98,0,59,120,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,
-114,66,121,0,0,18,98,0,59,121,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,
-114,66,122,0,0,18,98,0,59,122,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,
-114,66,119,0,0,18,98,0,59,119,0,0,0,9,18,95,95,114,101,116,86,97,108,0,59,120,0,18,97,0,59,120,0,
-18,98,0,59,120,0,58,102,108,111,111,114,0,18,97,0,59,120,0,18,111,110,101,79,118,101,114,66,120,0,
-48,0,0,48,47,20,0,9,18,95,95,114,101,116,86,97,108,0,59,121,0,18,97,0,59,121,0,18,98,0,59,121,0,58,
-102,108,111,111,114,0,18,97,0,59,121,0,18,111,110,101,79,118,101,114,66,121,0,48,0,0,48,47,20,0,9,
-18,95,95,114,101,116,86,97,108,0,59,122,0,18,97,0,59,122,0,18,98,0,59,122,0,58,102,108,111,111,114,
-0,18,97,0,59,122,0,18,111,110,101,79,118,101,114,66,122,0,48,0,0,48,47,20,0,9,18,95,95,114,101,116,
-86,97,108,0,59,119,0,18,97,0,59,119,0,18,98,0,59,119,0,58,102,108,111,111,114,0,18,97,0,59,119,0,
-18,111,110,101,79,118,101,114,66,119,0,48,0,0,48,47,20,0,0,1,0,0,9,0,109,105,110,0,1,1,0,9,97,0,0,
-1,1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,105,110,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,
-18,98,0,0,0,0,1,0,0,10,0,109,105,110,0,1,1,0,10,97,0,0,1,1,0,10,98,0,0,0,1,4,118,101,99,52,95,109,
-105,110,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,97,0,59,120,121,0,0,18,98,0,59,120,
-121,0,0,0,0,1,0,0,11,0,109,105,110,0,1,1,0,11,97,0,0,1,1,0,11,98,0,0,0,1,4,118,101,99,52,95,109,
-105,110,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,97,0,59,120,121,122,0,0,18,98,0,
-59,120,121,122,0,0,0,0,1,0,0,12,0,109,105,110,0,1,1,0,12,97,0,0,1,1,0,12,98,0,0,0,1,4,118,101,99,
-52,95,109,105,110,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,10,0,109,105,
-110,0,1,1,0,10,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,105,110,0,18,95,95,114,101,116,86,
-97,108,0,0,18,97,0,59,120,121,0,0,18,98,0,0,0,0,1,0,0,11,0,109,105,110,0,1,1,0,11,97,0,0,1,1,0,9,
-98,0,0,0,1,4,118,101,99,52,95,109,105,110,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,59,120,121,
-122,0,0,18,98,0,0,0,0,1,0,0,12,0,109,105,110,0,1,1,0,12,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,
-95,109,105,110,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,9,0,109,97,120,0,
-1,1,0,9,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,
-0,18,97,0,0,18,98,0,0,0,0,1,0,0,10,0,109,97,120,0,1,1,0,10,97,0,0,1,1,0,10,98,0,0,0,1,4,118,101,99,
-52,95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,97,0,59,120,121,0,0,18,98,0,
-59,120,121,0,0,0,0,1,0,0,11,0,109,97,120,0,1,1,0,11,97,0,0,1,1,0,11,98,0,0,0,1,4,118,101,99,52,95,
-109,97,120,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,97,0,59,120,121,122,0,0,18,98,
-0,59,120,121,122,0,0,0,0,1,0,0,12,0,109,97,120,0,1,1,0,12,97,0,0,1,1,0,12,98,0,0,0,1,4,118,101,99,
-52,95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,10,0,109,97,
-120,0,1,1,0,10,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,114,101,116,86,
-97,108,0,0,18,97,0,59,120,121,0,0,18,98,0,0,0,0,1,0,0,11,0,109,97,120,0,1,1,0,11,97,0,0,1,1,0,9,98,
-0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,59,120,121,122,
-0,0,18,98,0,0,0,0,1,0,0,12,0,109,97,120,0,1,1,0,12,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,95,
-109,97,120,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,9,0,99,108,97,109,
-112,0,1,1,0,9,118,97,108,0,0,1,1,0,9,109,105,110,86,97,108,0,0,1,1,0,9,109,97,120,86,97,108,0,0,0,
-1,4,118,101,99,52,95,99,108,97,109,112,0,18,95,95,114,101,116,86,97,108,0,0,18,118,97,108,0,0,18,
-109,105,110,86,97,108,0,0,18,109,97,120,86,97,108,0,0,0,0,1,0,0,10,0,99,108,97,109,112,0,1,1,0,10,
-118,97,108,0,0,1,1,0,9,109,105,110,86,97,108,0,0,1,1,0,9,109,97,120,86,97,108,0,0,0,1,4,118,101,99,
-52,95,99,108,97,109,112,0,18,95,95,114,101,116,86,97,108,0,0,18,118,97,108,0,0,18,109,105,110,86,
-97,108,0,0,18,109,97,120,86,97,108,0,0,0,0,1,0,0,11,0,99,108,97,109,112,0,1,1,0,11,118,97,108,0,0,
+0,48,0,0,48,47,20,0,0,1,0,0,10,0,109,111,100,0,1,1,0,10,97,0,0,1,1,0,10,98,0,0,0,1,3,2,0,0,10,1,
+111,110,101,79,118,101,114,66,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,
+114,66,0,59,120,0,0,18,98,0,59,120,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,
+118,101,114,66,0,59,121,0,0,18,98,0,59,121,0,0,0,9,18,95,95,114,101,116,86,97,108,0,18,97,0,18,98,
+0,58,102,108,111,111,114,0,18,97,0,18,111,110,101,79,118,101,114,66,0,48,0,0,48,47,20,0,0,1,0,0,11,
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+0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,59,120,0,0,18,98,0,59,
+120,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,59,121,0,0,18,98,
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+18,97,0,18,111,110,101,79,118,101,114,66,0,48,0,0,48,47,20,0,0,1,0,0,12,0,109,111,100,0,1,1,0,12,
+97,0,0,1,1,0,12,98,0,0,0,1,3,2,0,0,12,1,111,110,101,79,118,101,114,66,0,0,0,4,102,108,111,97,116,
+95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,59,120,0,0,18,98,0,59,120,0,0,0,4,102,108,111,
+97,116,95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,59,121,0,0,18,98,0,59,121,0,0,0,4,102,
+108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,59,122,0,0,18,98,0,59,122,0,0,0,
+4,102,108,111,97,116,95,114,99,112,0,18,111,110,101,79,118,101,114,66,0,59,119,0,0,18,98,0,59,119,
+0,0,0,9,18,95,95,114,101,116,86,97,108,0,18,97,0,18,98,0,58,102,108,111,111,114,0,18,97,0,18,111,
+110,101,79,118,101,114,66,0,48,0,0,48,47,20,0,0,1,0,0,9,0,109,105,110,0,1,1,0,9,97,0,0,1,1,0,9,98,
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+0,1,0,0,10,0,109,105,110,0,1,1,0,10,97,0,0,1,1,0,10,98,0,0,0,1,4,118,101,99,52,95,109,105,110,0,18,
+95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,97,0,59,120,121,0,0,18,98,0,59,120,121,0,0,0,0,1,0,
+0,11,0,109,105,110,0,1,1,0,11,97,0,0,1,1,0,11,98,0,0,0,1,4,118,101,99,52,95,109,105,110,0,18,95,95,
+114,101,116,86,97,108,0,59,120,121,122,0,0,18,97,0,59,120,121,122,0,0,18,98,0,59,120,121,122,0,0,0,
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+95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,10,0,109,105,110,0,1,1,0,10,97,0,0,1,
+1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,105,110,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,59,
+120,121,0,0,18,98,0,0,0,0,1,0,0,11,0,109,105,110,0,1,1,0,11,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,
+52,95,109,105,110,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,59,120,121,122,0,0,18,98,0,0,0,0,1,
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+95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,9,0,109,97,120,0,1,1,0,9,97,0,0,1,1,0,9,
+98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,
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+95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,97,0,59,120,121,0,0,18,98,0,59,120,121,0,0,0,0,1,0,
+0,11,0,109,97,120,0,1,1,0,11,97,0,0,1,1,0,11,98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,
+114,101,116,86,97,108,0,59,120,121,122,0,0,18,97,0,59,120,121,122,0,0,18,98,0,59,120,121,122,0,0,0,
+0,1,0,0,12,0,109,97,120,0,1,1,0,12,97,0,0,1,1,0,12,98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,
+95,95,114,101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,10,0,109,97,120,0,1,1,0,10,97,0,0,1,
+1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,59,120,
+121,0,0,18,98,0,0,0,0,1,0,0,11,0,109,97,120,0,1,1,0,11,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,
+95,109,97,120,0,18,95,95,114,101,116,86,97,108,0,0,18,97,0,59,120,121,122,0,0,18,98,0,0,0,0,1,0,0,
+12,0,109,97,120,0,1,1,0,12,97,0,0,1,1,0,9,98,0,0,0,1,4,118,101,99,52,95,109,97,120,0,18,95,95,114,
+101,116,86,97,108,0,0,18,97,0,0,18,98,0,0,0,0,1,0,0,9,0,99,108,97,109,112,0,1,1,0,9,118,97,108,0,0,
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+97,108,0,59,122,0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,50,0,17,53,0,52,55,0,0,0,17,
+49,55,0,56,53,0,0,0,0,46,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,119,0,58,110,111,105,115,
+101,49,0,18,120,0,58,118,101,99,50,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,0,46,0,0,20,0,0,
+1,0,0,12,0,110,111,105,115,101,52,0,1,1,0,11,120,0,0,0,1,9,18,95,95,114,101,116,86,97,108,0,59,120,
+0,58,110,111,105,115,101,49,0,18,120,0,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,121,0,58,110,
+111,105,115,101,49,0,18,120,0,58,118,101,99,51,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,51,
+0,50,51,0,0,0,0,46,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,122,0,58,110,111,105,115,101,49,
+0,18,120,0,58,118,101,99,51,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,17,49,49,0,48,52,0,0,0,0,
+46,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,119,0,58,110,111,105,115,101,49,0,18,120,0,58,
+118,101,99,51,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,0,0,0,17,51,49,0,57,49,0,0,0,0,46,0,0,20,0,
+0,1,0,0,12,0,110,111,105,115,101,52,0,1,1,0,12,120,0,0,0,1,9,18,95,95,114,101,116,86,97,108,0,59,
+120,0,58,110,111,105,115,101,49,0,18,120,0,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,121,0,58,
+110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,49,57,0,51,52,0,0,0,17,55,0,54,54,0,0,0,17,
+51,0,50,51,0,0,0,17,50,0,55,55,0,0,0,0,46,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,122,0,58,
+110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,53,0,52,55,0,0,0,17,49,55,0,56,53,0,0,0,17,
+49,49,0,48,52,0,0,0,17,49,51,0,49,57,0,0,0,0,46,0,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,119,
+0,58,110,111,105,115,101,49,0,18,120,0,58,118,101,99,52,0,17,50,51,0,53,52,0,0,0,17,50,57,0,49,49,
+0,0,0,17,51,49,0,57,49,0,0,0,17,51,55,0,52,56,0,0,0,0,46,0,0,20,0,0,0
diff --git a/src/mesa/shader/slang/library/slang_core.gc b/src/mesa/shader/slang/library/slang_core.gc
index 840a0814c5d..10a6bb5cb15 100644
--- a/src/mesa/shader/slang/library/slang_core.gc
+++ b/src/mesa/shader/slang/library/slang_core.gc
@@ -362,6 +362,13 @@ bvec2 __constructor(const bool b1, const bool b2)
    __retVal.y = b2;
 }
 
+bvec2 __constructor(const int i1, const int i2)
+{
+   __asm vec4_sne __retVal.x, i1, 0.0;
+   __asm vec4_sne __retVal.y, i2, 0.0;
+}
+
+
 bvec2 __constructor(const bool b)
 {
    __asm vec4_move __retVal.xy, b;
@@ -398,6 +405,13 @@ bvec3 __constructor(const bool b1, const bool b2, const bool b3)
    __retVal.z = b3;
 }
 
+bvec3 __constructor(const float f1, const float f2, const float f3)
+{
+   __asm vec4_sne __retVal.x, f1, 0.0;
+   __asm vec4_sne __retVal.y, f2, 0.0;
+   __asm vec4_sne __retVal.z, f3, 0.0;
+}
+
 bvec3 __constructor(const bool b)
 {
    __asm vec4_move __retVal.xyz, b;
diff --git a/src/mesa/shader/slang/library/slang_core_gc.h b/src/mesa/shader/slang/library/slang_core_gc.h
index 416ee23d201..e8b80419144 100644
--- a/src/mesa/shader/slang/library/slang_core_gc.h
+++ b/src/mesa/shader/slang/library/slang_core_gc.h
@@ -67,18 +67,25 @@
 116,86,97,108,0,0,18,102,0,0,0,0,1,0,0,8,1,1,1,0,1,98,0,0,0,1,4,118,101,99,52,95,116,111,95,105,
 118,101,99,52,0,18,95,95,114,101,116,86,97,108,0,0,18,98,0,0,0,0,1,0,0,2,1,1,1,0,1,98,49,0,0,1,1,0,
 1,98,50,0,0,0,1,9,18,95,95,114,101,116,86,97,108,0,59,120,0,18,98,49,0,20,0,9,18,95,95,114,101,116,
-86,97,108,0,59,121,0,18,98,50,0,20,0,0,1,0,0,2,1,1,1,0,1,98,0,0,0,1,4,118,101,99,52,95,109,111,118,
-101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,98,0,0,0,0,1,0,0,2,1,1,1,0,9,102,0,0,0,1,
-4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,102,0,0,17,48,
-0,48,0,0,0,0,0,1,0,0,2,1,1,1,0,5,105,0,0,0,1,4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,
-86,97,108,0,59,120,121,0,0,18,105,0,0,17,48,0,48,0,0,0,0,0,1,0,0,2,1,1,1,0,10,118,0,0,0,1,4,118,
-101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,118,0,0,17,48,0,48,0,
-0,0,0,0,1,0,0,2,1,1,1,0,6,118,0,0,0,1,4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,
-108,0,59,120,121,0,0,18,118,0,0,17,48,0,48,0,0,0,0,0,1,0,0,3,1,1,1,0,1,98,49,0,0,1,1,0,1,98,50,0,0,
-1,1,0,1,98,51,0,0,0,1,9,18,95,95,114,101,116,86,97,108,0,59,120,0,18,98,49,0,20,0,9,18,95,95,114,
-101,116,86,97,108,0,59,121,0,18,98,50,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,122,0,18,98,51,
-0,20,0,0,1,0,0,3,1,1,1,0,1,98,0,0,0,1,4,118,101,99,52,95,109,111,118,101,0,18,95,95,114,101,116,86,
-97,108,0,59,120,121,122,0,0,18,98,0,0,0,0,1,0,0,3,1,1,1,0,9,102,0,0,0,1,4,118,101,99,52,95,115,110,
+86,97,108,0,59,121,0,18,98,50,0,20,0,0,1,0,0,2,1,1,1,0,5,105,49,0,0,1,1,0,5,105,50,0,0,0,1,4,118,
+101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,0,0,18,105,49,0,0,17,48,0,48,0,
+0,0,0,4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,121,0,0,18,105,50,0,0,
+17,48,0,48,0,0,0,0,0,1,0,0,2,1,1,1,0,1,98,0,0,0,1,4,118,101,99,52,95,109,111,118,101,0,18,95,95,
+114,101,116,86,97,108,0,59,120,121,0,0,18,98,0,0,0,0,1,0,0,2,1,1,1,0,9,102,0,0,0,1,4,118,101,99,52,
+95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,102,0,0,17,48,0,48,0,0,0,0,0,1,
+0,0,2,1,1,1,0,5,105,0,0,0,1,4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,
+120,121,0,0,18,105,0,0,17,48,0,48,0,0,0,0,0,1,0,0,2,1,1,1,0,10,118,0,0,0,1,4,118,101,99,52,95,115,
+110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,0,0,18,118,0,0,17,48,0,48,0,0,0,0,0,1,0,0,2,
+1,1,1,0,6,118,0,0,0,1,4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,
+0,0,18,118,0,0,17,48,0,48,0,0,0,0,0,1,0,0,3,1,1,1,0,1,98,49,0,0,1,1,0,1,98,50,0,0,1,1,0,1,98,51,0,
+0,0,1,9,18,95,95,114,101,116,86,97,108,0,59,120,0,18,98,49,0,20,0,9,18,95,95,114,101,116,86,97,108,
+0,59,121,0,18,98,50,0,20,0,9,18,95,95,114,101,116,86,97,108,0,59,122,0,18,98,51,0,20,0,0,1,0,0,3,1,
+1,1,0,9,102,49,0,0,1,1,0,9,102,50,0,0,1,1,0,9,102,51,0,0,0,1,4,118,101,99,52,95,115,110,101,0,18,
+95,95,114,101,116,86,97,108,0,59,120,0,0,18,102,49,0,0,17,48,0,48,0,0,0,0,4,118,101,99,52,95,115,
+110,101,0,18,95,95,114,101,116,86,97,108,0,59,121,0,0,18,102,50,0,0,17,48,0,48,0,0,0,0,4,118,101,
+99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,122,0,0,18,102,51,0,0,17,48,0,48,0,0,0,
+0,0,1,0,0,3,1,1,1,0,1,98,0,0,0,1,4,118,101,99,52,95,109,111,118,101,0,18,95,95,114,101,116,86,97,
+108,0,59,120,121,122,0,0,18,98,0,0,0,0,1,0,0,3,1,1,1,0,9,102,0,0,0,1,4,118,101,99,52,95,115,110,
 101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,102,0,0,17,48,0,48,0,0,0,0,0,1,0,0,3,
 1,1,1,0,5,105,0,0,0,1,4,118,101,99,52,95,115,110,101,0,18,95,95,114,101,116,86,97,108,0,59,120,121,
 122,0,0,18,105,0,0,17,48,0,48,0,0,0,0,0,1,0,0,3,1,1,1,0,11,118,0,0,0,1,4,118,101,99,52,95,115,110,
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 9c17dceb191..db25106d036 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -2826,7 +2826,7 @@ _slang_gen_declaration(slang_assemble_ctx *A, slang_operation *oper)
 
       /* type check/compare var and initializer */
       if (!_slang_assignment_compatible(A, oper, initializer)) {
-         slang_info_log_error(A->log, "illegal types in assignment");
+         slang_info_log_error(A->log, "incompatible types in assignment");
          return NULL;
       }         
 
@@ -2926,6 +2926,24 @@ _slang_gen_swizzle(slang_ir_node *child, GLuint swizzle)
 }
 
 
+static GLboolean
+is_store_writable(const slang_assemble_ctx *A, const slang_ir_storage *store)
+{
+   while (store->Parent)
+      store = store->Parent;
+
+   if (!(store->File == PROGRAM_OUTPUT ||
+         store->File == PROGRAM_TEMPORARY ||
+         (store->File == PROGRAM_VARYING &&
+          A->program->Target == GL_VERTEX_PROGRAM_ARB))) {
+      return GL_FALSE;
+   }
+   else {
+      return GL_TRUE;
+   }
+}
+
+
 /**
  * Generate IR tree for an assignment (=).
  */
@@ -2976,26 +2994,26 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper)
       if (!_slang_assignment_compatible(A,
                                         &oper->children[0],
                                         &oper->children[1])) {
-         slang_info_log_error(A->log, "illegal types in assignment");
+         slang_info_log_error(A->log, "incompatible types in assignment");
          return NULL;
       }
 
       lhs = _slang_gen_operation(A, &oper->children[0]);
-      if (lhs) {
-         if (!lhs->Store) {
-            slang_info_log_error(A->log,
-                                 "invalid left hand side for assignment");
-            return NULL;
-         }
-         if (!(lhs->Store->File == PROGRAM_OUTPUT ||
-               lhs->Store->File == PROGRAM_TEMPORARY ||
-               (lhs->Store->File == PROGRAM_VARYING &&
-                A->program->Target == GL_VERTEX_PROGRAM_ARB) ||
-               lhs->Store->File == PROGRAM_UNDEFINED)) {
-            slang_info_log_error(A->log,
-                                 "illegal assignment to read-only l-value");
-            return NULL;
-         }
+      if (!lhs) {
+         return NULL;
+      }
+
+      if (!lhs->Store) {
+         slang_info_log_error(A->log,
+                              "invalid left hand side for assignment");
+         return NULL;
+      }
+
+      /* check that lhs is writable */
+      if (!is_store_writable(A, lhs->Store)) {
+         slang_info_log_error(A->log,
+                              "illegal assignment to read-only l-value");
+         return NULL;
       }
 
       rhs = _slang_gen_operation(A, &oper->children[1]);
@@ -3264,7 +3282,7 @@ _slang_gen_compare(slang_assemble_ctx *A, slang_operation *oper,
            t0.spec.type != SLANG_SPEC_FLOAT) ||
           (t1.spec.type != SLANG_SPEC_INT &&
            t1.spec.type != SLANG_SPEC_FLOAT)) {
-         slang_info_log_error(A->log, "Illegal type(s) for inequality operator");
+         slang_info_log_error(A->log, "Incompatible type(s) for inequality operator");
          return NULL;
       }
    }
@@ -3663,7 +3681,13 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var,
          /* user-defined uniform */
          if (datatype == GL_NONE) {
             if (var->type.specifier.type == SLANG_SPEC_STRUCT) {
-               _mesa_problem(NULL, "user-declared uniform structs not supported yet");
+               /* temporary work-around */
+               GLenum datatype = GL_FLOAT;
+               GLint uniformLoc = _mesa_add_uniform(prog->Parameters, varName,
+                                                    totalSize, datatype);
+               store = _slang_new_ir_storage_swz(PROGRAM_UNIFORM, uniformLoc,
+                                                 totalSize, swizzle);
+
                /* XXX what we need to do is unroll the struct into its
                 * basic types, creating a uniform variable for each.
                 * For example:
@@ -3682,8 +3706,8 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var,
                slang_info_log_error(A->log,
                                     "invalid datatype for uniform variable %s",
                                     varName);
+               return GL_FALSE;
             }
-            return GL_FALSE;
          }
          else {
             GLint uniformLoc = _mesa_add_uniform(prog->Parameters, varName,
diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c
index 64c0dad611d..9cf0f8b81a3 100644
--- a/src/mesa/shader/slang/slang_compile.c
+++ b/src/mesa/shader/slang/slang_compile.c
@@ -2431,19 +2431,20 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader)
    _slang_delete_mempool((slang_mempool *) ctx->Shader.MemPool);
    ctx->Shader.MemPool = NULL;
 
-   if (shader->Type == GL_VERTEX_SHADER) {
-      /* remove any reads of varying (output) registers */
+   /* remove any reads of output registers */
 #if 0
-      printf("Pre-remove output reads:\n");
-      _mesa_print_program(shader->Programs);
+   printf("Pre-remove output reads:\n");
+   _mesa_print_program(shader->Program);
 #endif
+   _mesa_remove_output_reads(shader->Program, PROGRAM_OUTPUT);
+   if (shader->Type == GL_VERTEX_SHADER) {
+      /* and remove writes to varying vars in vertex programs */
       _mesa_remove_output_reads(shader->Program, PROGRAM_VARYING);
-      _mesa_remove_output_reads(shader->Program, PROGRAM_OUTPUT);
+   }
 #if 0
-      printf("Post-remove output reads:\n");
-      _mesa_print_program(shader->Programs);
+   printf("Post-remove output reads:\n");
+   _mesa_print_program(shader->Program);
 #endif
-   }
 
    return success;
 }
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index b902da84570..f0c3791f2a1 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -991,7 +991,7 @@ emit_kill(slang_emit_info *emitInfo)
     * Note that ARB-KILL depends on sign of vector operand.
     */
    inst = new_instruction(emitInfo, OPCODE_KIL_NV);
-   inst->DstReg.CondMask = COND_TR;  /* always branch */
+   inst->DstReg.CondMask = COND_TR;  /* always kill */
 
    assert(emitInfo->prog->Target == GL_FRAGMENT_PROGRAM_ARB);
    fp = (struct gl_fragment_program *) emitInfo->prog;
diff --git a/src/mesa/shader/slang/slang_typeinfo.c b/src/mesa/shader/slang/slang_typeinfo.c
index b3255512ba0..b2f0f149956 100644
--- a/src/mesa/shader/slang/slang_typeinfo.c
+++ b/src/mesa/shader/slang/slang_typeinfo.c
@@ -273,7 +273,7 @@ slang_type_specifier_compatible(const slang_type_specifier * x,
 GLboolean
 slang_typeinfo_construct(slang_typeinfo * ti)
 {
-   /*_mesa_bzero(ti, sizeof(*ti));*/
+   _mesa_bzero(ti, sizeof(*ti));
    slang_type_specifier_ctr(&ti->spec);
    ti->array_len = 0;
    return GL_TRUE;
diff --git a/src/mesa/sources b/src/mesa/sources.mak
index 0e0e10979b6..0e0e10979b6 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources.mak
diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c
index 9f4e1c1c696..e286dc51168 100644
--- a/src/mesa/state_tracker/st_atom_rasterizer.c
+++ b/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -267,11 +267,17 @@ static void update_raster_state( struct st_context *st )
 }
 
 const struct st_tracked_state st_update_rasterizer = {
-   "st_update_rasterizer",					/* name */
-   {								/* dirty */
-      (_NEW_LIGHT | _NEW_POLYGON | _NEW_LINE | _NEW_SCISSOR |	/* mesa */
-               _NEW_POINT | _NEW_BUFFERS | _NEW_MULTISAMPLE),	
-      0,							/* st */
+   "st_update_rasterizer",    /* name */
+   {
+      (_NEW_BUFFERS |
+       _NEW_LIGHT |
+       _NEW_LINE |
+       _NEW_MULTISAMPLE |
+       _NEW_POINT |
+       _NEW_POLYGON |
+       _NEW_PROGRAM |
+       _NEW_SCISSOR),      /* mesa state dependencies*/
+      0,                   /* state tracker dependencies */
    },
-   update_raster_state						/* update */
+   update_raster_state     /* update function */
 };
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 00447fff081..6e4a376d44a 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -45,6 +45,9 @@
 #include "st_cb_drawpixels.h"
 #include "st_cb_rasterpos.h"
 #endif
+#ifdef FEATURE_OES_draw_texture
+#include "st_cb_drawtex.h"
+#endif
 #include "st_cb_fbo.h"
 #if FEATURE_feedback
 #include "st_cb_feedback.h"
@@ -180,6 +183,9 @@ static void st_destroy_context_priv( struct st_context *st )
    st_destroy_bitmap(st);
    st_destroy_drawpix(st);
 #endif
+#ifdef FEATURE_OES_draw_texture
+   st_destroy_drawtex(st);
+#endif
 
    _vbo_DestroyContext(st->ctx);
 
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 6565107b107..198d406b593 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -376,13 +376,13 @@ compile_instruction(
       fullinst->Instruction.Opcode = TGSI_OPCODE_INT;
       break;
    case OPCODE_KIL:
-      /* predicated w/ a register */
-      fullinst->Instruction.Opcode = TGSI_OPCODE_KILP;
+      /* conditional */
+      fullinst->Instruction.Opcode = TGSI_OPCODE_KIL;
       break;
    case OPCODE_KIL_NV:
-      /* unpredicated */
+      /* predicated */
       assert(inst->DstReg.CondMask == COND_TR);
-      fullinst->Instruction.Opcode = TGSI_OPCODE_KIL;
+      fullinst->Instruction.Opcode = TGSI_OPCODE_KILP;
       break;
    case OPCODE_LG2:
       fullinst->Instruction.Opcode = TGSI_OPCODE_LG2;
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index c25c668329a..59314a32322 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -187,6 +187,12 @@ st_translate_vertex_program(struct st_context *st,
       if (stvp->Base.Base.OutputsWritten & (1 << attr)) {
          GLuint slot;
 
+         /* XXX
+          * Pass in the fragment program's input's semantic info.
+          * Use the generic semantic indexes from there, instead of
+          * guessing below.
+          */
+
          if (outputMapping) {
             slot = outputMapping[attr];
             assert(slot != ~0);