Merge branch 'mesa_7_6_branch'

11 files changed, 172 insertions, 86 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h
index 5335eac8951..d639656b9d4 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -151,6 +151,7 @@ void brw_state_cache_check_size( struct brw_context *brw );
 
 void brw_init_caches( struct brw_context *brw );
 void brw_destroy_caches( struct brw_context *brw );
+void brw_state_cache_bo_delete(struct brw_cache *cache, dri_bo *bo);
 
 /***********************************************************************
  * brw_state_batch.c
diff --git a/src/mesa/drivers/dri/i965/brw_state_cache.c b/src/mesa/drivers/dri/i965/brw_state_cache.c
index e40d7a04164..f8e46aacf71 100644
--- a/src/mesa/drivers/dri/i965/brw_state_cache.c
+++ b/src/mesa/drivers/dri/i965/brw_state_cache.c
@@ -517,6 +517,55 @@ brw_clear_cache(struct brw_context *brw, struct brw_cache *cache)
    brw->state.dirty.cache |= ~0;
 }
 
+/* Clear all entries from the cache that point to the given bo.
+ *
+ * This lets us release memory for reuse earlier for known-dead buffers,
+ * at the cost of walking the entire hash table.
+ */
+void
+brw_state_cache_bo_delete(struct brw_cache *cache, dri_bo *bo)
+{
+   struct brw_cache_item **prev;
+   GLuint i;
+
+   if (INTEL_DEBUG & DEBUG_STATE)
+      _mesa_printf("%s\n", __FUNCTION__);
+
+   for (i = 0; i < cache->size; i++) {
+      for (prev = &cache->items[i]; *prev;) {
+	 struct brw_cache_item *c = *prev;
+	 int j;
+
+	 for (j = 0; j < c->nr_reloc_bufs; j++) {
+	    if (c->reloc_bufs[j] == bo)
+	       break;
+	 }
+
+	 if (j != c->nr_reloc_bufs) {
+
+	    *prev = c->next;
+
+	    for (j = 0; j < c->nr_reloc_bufs; j++)
+	       dri_bo_unreference(c->reloc_bufs[j]);
+	    dri_bo_unreference(c->bo);
+	    free((void *)c->key);
+	    free(c);
+	    cache->n_items--;
+
+	    /* Delete up the tree.  Notably we're trying to get from
+	     * a request to delete the surface, to deleting the surface state
+	     * object, to deleting the binding table.  We're slack and restart
+	     * the deletion process when we do this because the other delete
+	     * may kill our *prev.
+	     */
+	    brw_state_cache_bo_delete(cache, c->bo);
+	    prev = &cache->items[i];
+	 } else {
+	    prev = &(*prev)->next;
+	 }
+      }
+   }
+}
 
 void
 brw_state_cache_check_size(struct brw_context *brw)
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index c985da5aa25..4f5101a3128 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -29,6 +29,9 @@
 #include "intel_mipmap_tree.h"
 #include "intel_regions.h"
 #include "intel_chipset.h"
+#ifndef I915
+#include "brw_state.h"
+#endif
 #include "main/enums.h"
 
 #define FILE_DEBUG_FLAG DEBUG_MIPTREE
@@ -269,6 +272,19 @@ intel_miptree_release(struct intel_context *intel,
 
       DBG("%s deleting %p\n", __FUNCTION__, *mt);
 
+#ifndef I915
+      /* Free up cached binding tables holding a reference on our buffer, to
+       * avoid excessive memory consumption.
+       *
+       * This isn't as aggressive as we could be, as we'd like to do
+       * it from any time we free the last ref on a region.  But intel_region.c
+       * is context-agnostic.  Perhaps our constant state cache should be, as
+       * well.
+       */
+      brw_state_cache_bo_delete(&brw_context(&intel->ctx)->surface_cache,
+				(*mt)->region->buffer);
+#endif
+
       intel_region_release(&((*mt)->region));
 
       for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index 34e0b8bc8d7..eb7c4f6417c 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -2477,9 +2477,9 @@ Fake_glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value )
       break;
    case GLX_RENDER_TYPE:
       if (xmctx->xm_visual->mesa_visual.rgbMode)
-         *value = GLX_RGBA_BIT;
+         *value = GLX_RGBA_TYPE;
       else
-         *value = GLX_COLOR_INDEX_BIT;
+         *value = GLX_COLOR_INDEX_TYPE;
       break;
    case GLX_SCREEN:
       *value = 0;
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 69b81e724a2..192d39aed1e 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -939,7 +939,7 @@ _mesa_execute_program(GLcontext * ctx,
 	    /* The fast LOG2 macro doesn't meet the precision requirements.
 	     */
             if (a[0] == 0.0F) {
-               val = 0.0F;
+               val = -FLT_MAX;
             }
             else {
                val = log(a[0]) * 1.442695F;
diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index 9764fc25b09..56de47ee8d7 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -602,42 +602,50 @@ vec4 exp2(const vec4 a)
 
 float sqrt(const float x)
 {
+   const float nx = -x;
    float r;
    __asm float_rsq r, x;
-   __asm float_rcp __retVal, r;
-}
-
-vec2 sqrt(const vec2 v)
-{
-   float r;
-   __asm float_rsq r, v.x;
-   __asm float_rcp __retVal.x, r;
-   __asm float_rsq r, v.y;
-   __asm float_rcp __retVal.y, r;
-}
-
-vec3 sqrt(const vec3 v)
-{
-   float r;
-   __asm float_rsq r, v.x;
-   __asm float_rcp __retVal.x, r;
-   __asm float_rsq r, v.y;
-   __asm float_rcp __retVal.y, r;
-   __asm float_rsq r, v.z;
-   __asm float_rcp __retVal.z, r;
-}
-
-vec4 sqrt(const vec4 v)
-{
-   float r;
-   __asm float_rsq r, v.x;
-   __asm float_rcp __retVal.x, r;
-   __asm float_rsq r, v.y;
-   __asm float_rcp __retVal.y, r;
-   __asm float_rsq r, v.z;
-   __asm float_rcp __retVal.z, r;
-   __asm float_rsq r, v.w;
-   __asm float_rcp __retVal.w, r;
+   __asm float_rcp r, r;
+   __asm vec4_cmp __retVal, nx, r, 0.0;
+}
+
+vec2 sqrt(const vec2 x)
+{
+   const vec2 nx = -x, zero = vec2(0.0);
+   vec2 r;
+   __asm float_rsq r.x, x.x;
+   __asm float_rsq r.y, x.y;
+   __asm float_rcp r.x, r.x;
+   __asm float_rcp r.y, r.y;
+   __asm vec4_cmp __retVal, nx, r, zero;
+}
+
+vec3 sqrt(const vec3 x)
+{
+   const vec3 nx = -x, zero = vec3(0.0);
+   vec3 r;
+   __asm float_rsq r.x, x.x;
+   __asm float_rsq r.y, x.y;
+   __asm float_rsq r.z, x.z;
+   __asm float_rcp r.x, r.x;
+   __asm float_rcp r.y, r.y;
+   __asm float_rcp r.z, r.z;
+   __asm vec4_cmp __retVal, nx, r, zero;
+}
+
+vec4 sqrt(const vec4 x)
+{
+   const vec4 nx = -x, zero = vec4(0.0);
+   vec4 r;
+   __asm float_rsq r.x, x.x;
+   __asm float_rsq r.y, x.y;
+   __asm float_rsq r.z, x.z;
+   __asm float_rsq r.w, x.w;
+   __asm float_rcp r.x, r.x;
+   __asm float_rcp r.y, r.y;
+   __asm float_rcp r.z, r.z;
+   __asm float_rcp r.w, r.w;
+   __asm vec4_cmp __retVal, nx, r, zero;
 }
 
 
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 78a7b83ec18..3c3666e4ea2 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin_gc.h
+++ b/src/mesa/shader/slang/library/slang_common_builtin_gc.h
@@ -307,55 +307,63 @@
 0,0,18,97,0,59,121,0,0,0,4,102,108,111,97,116,95,101,120,112,50,0,18,95,95,114,101,116,86,97,108,0,
 59,122,0,0,18,97,0,59,122,0,0,0,4,102,108,111,97,116,95,101,120,112,50,0,18,95,95,114,101,116,86,
 97,108,0,59,119,0,0,18,97,0,59,119,0,0,0,0,1,90,95,0,0,9,0,0,115,113,114,116,0,1,1,0,0,9,0,120,0,0,
-0,1,3,2,90,95,0,0,9,0,1,114,0,0,0,4,102,108,111,97,116,95,114,115,113,0,18,114,0,0,18,120,0,0,0,4,
-102,108,111,97,116,95,114,99,112,0,18,95,95,114,101,116,86,97,108,0,0,18,114,0,0,0,0,1,90,95,0,0,
-10,0,0,115,113,114,116,0,1,1,0,0,10,0,118,0,0,0,1,3,2,90,95,0,0,9,0,1,114,0,0,0,4,102,108,111,97,
-116,95,114,115,113,0,18,114,0,0,18,118,0,59,120,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,95,
-95,114,101,116,86,97,108,0,59,120,0,0,18,114,0,0,0,4,102,108,111,97,116,95,114,115,113,0,18,114,0,
-0,18,118,0,59,121,0,0,0,4,102,108,111,97,116,95,114,99,112,0,18,95,95,114,101,116,86,97,108,0,59,
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-95,95,114,101,116,86,97,108,0,59,121,0,0,18,114,0,0,0,4,102,108,111,97,116,95,114,115,113,0,18,114,
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-97,116,95,114,115,113,0,18,95,95,114,101,116,86,97,108,0,59,121,0,0,18,118,0,59,121,0,0,0,4,102,
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+95,99,109,112,0,18,95,95,114,101,116,86,97,108,0,0,18,110,120,0,0,18,114,0,0,18,122,101,114,111,0,
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+95,95,114,101,116,86,97,108,0,0,18,110,120,0,0,18,114,0,0,18,122,101,114,111,0,0,0,0,1,90,95,0,0,9,
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+113,0,18,95,95,114,101,116,86,97,108,0,59,120,0,0,18,118,0,59,120,0,0,0,4,102,108,111,97,116,95,
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+0,105,110,118,101,114,115,101,115,113,114,116,0,1,1,0,0,11,0,118,0,0,0,1,4,102,108,111,97,116,95,
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+116,95,114,115,113,0,18,95,95,114,101,116,86,97,108,0,59,121,0,0,18,118,0,59,121,0,0,0,4,102,108,
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+111,97,116,95,114,115,113,0,18,95,95,114,101,116,86,97,108,0,59,120,0,0,18,118,0,59,120,0,0,0,4,
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+109,117,108,116,105,112,108,121,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,118,0,0,
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+4,118,101,99,52,95,109,117,108,116,105,112,108,121,0,18,95,95,114,101,116,86,97,108,0,59,120,121,
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 97,98,115,0,1,1,0,0,10,0,97,0,0,0,1,4,118,101,99,52,95,97,98,115,0,18,95,95,114,101,116,86,97,108,
 0,59,120,121,0,0,18,97,0,0,0,0,1,90,95,0,0,11,0,0,97,98,115,0,1,1,0,0,11,0,97,0,0,0,1,4,118,101,99,
 52,95,97,98,115,0,18,95,95,114,101,116,86,97,108,0,59,120,121,122,0,0,18,97,0,0,0,0,1,90,95,0,0,12,
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 703af9f8740..344dfdc6804 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -422,6 +422,7 @@ static slang_asm_info AsmInfo[] = {
    { "vec4_lrp", IR_LRP, 1, 3 },
    { "vec4_min", IR_MIN, 1, 2 },
    { "vec4_max", IR_MAX, 1, 2 },
+   { "vec4_cmp", IR_CMP, 1, 3 },
    { "vec4_clamp", IR_CLAMP, 1, 3 },
    { "vec4_seq", IR_SEQUAL, 1, 2 },
    { "vec4_sne", IR_SNEQUAL, 1, 2 },
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 3f455e0640b..3af301eacdf 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -2287,6 +2287,7 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n)
    case IR_POW:
    /* trinary operators */
    case IR_LRP:
+   case IR_CMP:
       return emit_arith(emitInfo, n);
 
    case IR_EQUAL:
diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c
index 1c7f7474e71..62603503dd9 100644
--- a/src/mesa/shader/slang/slang_ir.c
+++ b/src/mesa/shader/slang/slang_ir.c
@@ -80,6 +80,7 @@ static const slang_ir_info IrInfo[] = {
    { IR_NOISE4, "IR_NOISE4", OPCODE_NOISE4, 1, 1 },
 
    /* other */
+   { IR_CMP, "IR_CMP", OPCODE_CMP, 4, 3 },  /* compare/select */
    { IR_SEQ, "IR_SEQ", OPCODE_NOP, 0, 0 },
    { IR_SCOPE, "IR_SCOPE", OPCODE_NOP, 0, 0 },
    { IR_LABEL, "IR_LABEL", OPCODE_NOP, 0, 0 },
diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h
index e796693ed58..166b4e80436 100644
--- a/src/mesa/shader/slang/slang_ir.h
+++ b/src/mesa/shader/slang/slang_ir.h
@@ -91,6 +91,7 @@ typedef enum
    IR_CLAMP,
    IR_MIN,
    IR_MAX,
+   IR_CMP,     /* = (op0 < 0) ? op1 : op2 */
    IR_SEQUAL,  /* Set if args are equal (vector) */
    IR_SNEQUAL, /* Set if args are not equal (vector) */
    IR_SGE,     /* Set if greater or equal (vector) */