Merge commit 'origin/gallium-0.1' into gallium-0.2

Conflicts:

	src/mesa/shader/slang/slang_link.c

8 files changed, 66 insertions, 12 deletions

diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c
index e286dc51168..fc47896c242 100644
--- a/src/mesa/state_tracker/st_atom_rasterizer.c
+++ b/src/mesa/state_tracker/st_atom_rasterizer.c
@@ -254,7 +254,7 @@ static void update_raster_state( struct st_context *st )
    raster->line_stipple_factor = ctx->Line.StippleFactor - 1;
 
    /* _NEW_MULTISAMPLE */
-   if (ctx->Multisample._Enabled)
+   if (ctx->Multisample._Enabled || st->force_msaa)
       raster->multisample = 1;
 
    /* _NEW_SCISSOR */
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 8406bf247fc..00076f61e0f 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -170,6 +170,7 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
                                                   0, 0, 0,
                                                   surface_usage );
 
+   assert(strb->surface->texture);
    assert(strb->surface->buffer);
    assert(strb->surface->format);
    assert(strb->surface->block.size);
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index a3e8fc992d9..2e1ad93942b 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -455,6 +455,11 @@ st_TexImage(GLcontext * ctx,
       _mesa_align_free(texImage->Data);
    }
 
+   if (width == 0 || height == 0 || depth == 0) {
+      /* stop after freeing old image */
+      return;
+   }
+
    /* If this is the only mipmap level in the texture, could call
     * bmBufferData with NULL data to free the old block and avoid
     * waiting on any outstanding fences.
@@ -1048,7 +1053,8 @@ st_copy_texsubimage(GLcontext *ctx,
    GLboolean use_fallback = GL_TRUE;
    GLboolean matching_base_formats;
 
-   st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+   /* any rendering in progress must complete before we grab the fb image */
+   st_finish(ctx->st);
 
    /* determine if copying depth or color data */
    if (texBaseFormat == GL_DEPTH_COMPONENT) {
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 08d4db7f7f4..cca808d3288 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -88,6 +88,19 @@ void st_invalidate_state(GLcontext * ctx, GLuint new_state)
 }
 
 
+/**
+ * Check for multisample env var override.
+ */
+int
+st_get_msaa(void)
+{
+   const char *msaa = _mesa_getenv("__GL_FSAA_MODE");
+   if (msaa)
+      return atoi(msaa);
+   return 0;
+}
+
+
 static struct st_context *
 st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
 {
@@ -141,6 +154,8 @@ st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
 
    st->pixel_xfer.cache = _mesa_new_program_cache();
 
+   st->force_msaa = st_get_msaa();
+
    /* GL limits and extensions */
    st_init_limits(st);
    st_init_extensions(st);
@@ -188,8 +203,6 @@ static void st_destroy_context_priv( struct st_context *st )
    st_destroy_drawtex(st);
 #endif
 
-   _vbo_DestroyContext(st->ctx);
-
    for (i = 0; i < Elements(st->state.sampler_texture); i++) {
       pipe_texture_reference(&st->state.sampler_texture[i], NULL);
    }
@@ -223,6 +236,8 @@ void st_destroy_context( struct st_context *st )
 
    _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
 
+   _vbo_DestroyContext(st->ctx);
+
    _mesa_free_context_data(ctx);
 
    st_destroy_context_priv(st);
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 4314d9af5c8..1d1aca3111b 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -181,6 +181,8 @@ struct st_context
    struct blit_state *blit;
 
    struct cso_context *cso_context;
+
+   int force_msaa;
 };
 
 
@@ -238,4 +240,8 @@ st_fb_orientation(const struct gl_framebuffer *fb)
 }
 
 
+extern int
+st_get_msaa(void);
+
+
 #endif
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 0f4a03fa484..ec8928f200d 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -51,13 +51,12 @@ st_create_framebuffer( const __GLcontextModes *visual,
 {
    struct st_framebuffer *stfb = CALLOC_STRUCT(st_framebuffer);
    if (stfb) {
-      int samples = 0;
-      const char *msaa_override = _mesa_getenv("__GL_FSAA_MODE");
+      int samples = st_get_msaa();
+
+      if (visual->sampleBuffers)
+         samples = visual->samples;
+
       _mesa_initialize_framebuffer(&stfb->Base, visual);
-      if (visual->sampleBuffers) samples = visual->samples;
-      if (msaa_override) {
-         samples = _mesa_atoi(msaa_override);
-      }
 
       {
          /* fake frontbuffer */
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c
index 5ec9fddd7f4..b9807bb8074 100644
--- a/src/mesa/state_tracker/st_mesa_to_tgsi.c
+++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c
@@ -35,10 +35,13 @@
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_build.h"
 #include "tgsi/tgsi_util.h"
+#include "tgsi/tgsi_dump.h"
+#include "tgsi/tgsi_sanity.h"
 #include "st_mesa_to_tgsi.h"
 #include "shader/prog_instruction.h"
 #include "shader/prog_parameter.h"
-
+#include "shader/prog_print.h"
+#include "pipe/p_debug.h"
 
 /*
  * Map mesa register file to TGSI register file.
@@ -239,6 +242,15 @@ compile_instruction(
          immediateMapping,
          indirectAccess );
 
+      /**
+       * This not at all the correct solution.
+       * FIXME: Roll this up in the above map functions
+       */
+      if (fullsrc->SrcRegister.File == TGSI_FILE_IMMEDIATE && fullsrc->SrcRegister.Index == ~0) {
+         fullsrc->SrcRegister.File = TGSI_FILE_CONSTANT;
+         fullsrc->SrcRegister.Index = inst->SrcReg[i].Index;
+      }
+
       /* swizzle (ext swizzle also depends on negation) */
       {
          GLuint swz[4];
@@ -980,5 +992,17 @@ tgsi_translate_mesa_program(
          maxTokens - ti );
    }
 
+#if DEBUG
+   if(!tgsi_sanity_check(tokens)) {
+      debug_printf("Due to sanity check failure(s) above the following shader program is invalid:\n");
+      debug_printf("\nOriginal program:\n%s", program->String);
+      debug_printf("\nMesa program:\n");
+      _mesa_print_program(program);
+      debug_printf("\nTGSI program:\n");
+      tgsi_dump(tokens, 0);
+      assert(0);
+   }
+#endif
+
    return ti;
 }
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 936a6e32ea1..b2abf0286e7 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -409,7 +409,10 @@ st_translate_fragment_program(struct st_context *st,
             interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
             break;
          case FRAG_ATTRIB_FOGC:
-            stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+            if (stfp->Base.UsesPointCoord)
+               stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+            else
+               stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
             stfp->input_semantic_index[slot] = 0;
             interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
             break;