Merge remote-tracking branch 'origin/released'

* origin/released:
  fontconfig libXau mesa xserver xkeyboard-config git update 8 Apr 2013

5 files changed, 47 insertions, 7 deletions

diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 2cb5f02f4..14cf5baa7 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -2048,6 +2048,9 @@ ir_to_mesa_visitor::visit(ir_texture *ir)
    case ir_txf_ms:
       assert(!"Unexpected ir_txf_ms opcode");
       break;
+   case ir_lod:
+      assert(!"Unexpected ir_lod opcode");
+      break;
    }
 
    const glsl_type *sampler_type = ir->sampler->type;
diff --git a/mesalib/src/mesa/program/prog_cache.c b/mesalib/src/mesa/program/prog_cache.c
index 47f926b1b..1f1c6142d 100644
--- a/mesalib/src/mesa/program/prog_cache.c
+++ b/mesalib/src/mesa/program/prog_cache.c
@@ -37,6 +37,7 @@
 struct cache_item
 {
    GLuint hash;
+   unsigned keysize;
    void *key;
    struct gl_program *program;
    struct cache_item *next;
@@ -174,7 +175,8 @@ struct gl_program *
 _mesa_search_program_cache(struct gl_program_cache *cache,
                            const void *key, GLuint keysize)
 {
-   if (cache->last && 
+   if (cache->last &&
+       cache->last->keysize == keysize &&
        memcmp(cache->last->key, key, keysize) == 0) {
       return cache->last->program;
    }
@@ -183,7 +185,10 @@ _mesa_search_program_cache(struct gl_program_cache *cache,
       struct cache_item *c;
 
       for (c = cache->items[hash % cache->size]; c; c = c->next) {
-         if (c->hash == hash && memcmp(c->key, key, keysize) == 0) {
+         if (c->hash == hash &&
+             c->keysize == keysize &&
+             memcmp(c->key, key, keysize) == 0) {
+
             cache->last = c;
             return c->program;
          }
@@ -207,6 +212,7 @@ _mesa_program_cache_insert(struct gl_context *ctx,
 
    c->key = malloc(keysize);
    memcpy(c->key, key, keysize);
+   c->keysize = keysize;
 
    c->program = program;  /* no refcount change */
 
@@ -235,6 +241,7 @@ _mesa_shader_cache_insert(struct gl_context *ctx,
 
    c->key = malloc(keysize);
    memcpy(c->key, key, keysize);
+   c->keysize = keysize;
 
    c->program = (struct gl_program *)program;  /* no refcount change */
 
diff --git a/mesalib/src/mesa/program/prog_statevars.c b/mesalib/src/mesa/program/prog_statevars.c
index 5a350798c..09d2a568a 100644
--- a/mesalib/src/mesa/program/prog_statevars.c
+++ b/mesalib/src/mesa/program/prog_statevars.c
@@ -31,6 +31,7 @@
 
 #include "main/glheader.h"
 #include "main/context.h"
+#include "main/blend.h"
 #include "main/imports.h"
 #include "main/macros.h"
 #include "main/mtypes.h"
@@ -239,14 +240,14 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
       {
          /* state[1] is the texture unit */
          const GLuint unit = (GLuint) state[1];
-         if(ctx->Color._ClampFragmentColor)
+         if (_mesa_get_clamp_fragment_color(ctx))
             COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
          else
             COPY_4V(value, ctx->Texture.Unit[unit].EnvColorUnclamped);
       }
       return;
    case STATE_FOG_COLOR:
-      if(ctx->Color._ClampFragmentColor)
+      if (_mesa_get_clamp_fragment_color(ctx))
          COPY_4V(value, ctx->Fog.Color);
       else
          COPY_4V(value, ctx->Fog.ColorUnclamped);
@@ -871,6 +872,9 @@ append_token(char *dst, gl_state_index k)
    case STATE_CURRENT_ATTRIB:
       append(dst, "current");
       break;
+   case STATE_CURRENT_ATTRIB_MAYBE_VP_CLAMPED:
+      append(dst, "currentAttribMaybeVPClamped");
+      break;
    case STATE_NORMAL_SCALE:
       append(dst, "normalScale");
       break;
diff --git a/mesalib/src/mesa/program/register_allocate.c b/mesalib/src/mesa/program/register_allocate.c
index a9064c38c..2c826fc66 100644
--- a/mesalib/src/mesa/program/register_allocate.c
+++ b/mesalib/src/mesa/program/register_allocate.c
@@ -70,6 +70,7 @@
  * this during ra_set_finalize().
  */
 
+#include <stdbool.h>
 #include <ralloc.h>
 
 #include "main/imports.h"
@@ -93,6 +94,8 @@ struct ra_regs {
 
    struct ra_class **classes;
    unsigned int class_count;
+
+   bool round_robin;
 };
 
 struct ra_class {
@@ -185,6 +188,22 @@ ra_alloc_reg_set(void *mem_ctx, unsigned int count)
    return regs;
 }
 
+/**
+ * The register allocator by default prefers to allocate low register numbers,
+ * since it was written for hardware (gen4/5 Intel) that is limited in its
+ * multithreadedness by the number of registers used in a given shader.
+ *
+ * However, for hardware without that restriction, densely packed register
+ * allocation can put serious constraints on instruction scheduling.  This
+ * function tells the allocator to rotate around the registers if possible as
+ * it allocates the nodes.
+ */
+void
+ra_set_allocate_round_robin(struct ra_regs *regs)
+{
+   regs->round_robin = true;
+}
+
 static void
 ra_add_conflict_list(struct ra_regs *regs, unsigned int r1, unsigned int r2)
 {
@@ -436,16 +455,19 @@ GLboolean
 ra_select(struct ra_graph *g)
 {
    int i;
+   int start_search_reg = 0;
 
    while (g->stack_count != 0) {
-      unsigned int r;
+      unsigned int ri;
+      unsigned int r = -1;
       int n = g->stack[g->stack_count - 1];
       struct ra_class *c = g->regs->classes[g->nodes[n].class];
 
       /* Find the lowest-numbered reg which is not used by a member
        * of the graph adjacent to us.
        */
-      for (r = 0; r < g->regs->count; r++) {
+      for (ri = 0; ri < g->regs->count; ri++) {
+         r = (start_search_reg + ri) % g->regs->count;
 	 if (!c->regs[r])
 	    continue;
 
@@ -461,12 +483,15 @@ ra_select(struct ra_graph *g)
 	 if (i == g->nodes[n].adjacency_count)
 	    break;
       }
-      if (r == g->regs->count)
+      if (ri == g->regs->count)
 	 return GL_FALSE;
 
       g->nodes[n].reg = r;
       g->nodes[n].in_stack = GL_FALSE;
       g->stack_count--;
+
+      if (g->regs->round_robin)
+         start_search_reg = r + 1;
    }
 
    return GL_TRUE;
diff --git a/mesalib/src/mesa/program/register_allocate.h b/mesalib/src/mesa/program/register_allocate.h
index 2a9d61191..fa119e320 100644
--- a/mesalib/src/mesa/program/register_allocate.h
+++ b/mesalib/src/mesa/program/register_allocate.h
@@ -37,6 +37,7 @@ struct ra_regs;
  * two real registers from which they are composed.
  */
 struct ra_regs *ra_alloc_reg_set(void *mem_ctx, unsigned int count);
+void ra_set_allocate_round_robin(struct ra_regs *regs);
 unsigned int ra_alloc_reg_class(struct ra_regs *regs);
 void ra_add_reg_conflict(struct ra_regs *regs,
 			 unsigned int r1, unsigned int r2);