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

1 files changed, 23 insertions, 10 deletions

diff --git a/src/mesa/shader/slang/slang_vartable.c b/src/mesa/shader/slang/slang_vartable.c
index bb4d2d656c..68b4e00be0 100644
--- a/src/mesa/shader/slang/slang_vartable.c
+++ b/src/mesa/shader/slang/slang_vartable.c
@@ -1,6 +1,7 @@
 
 #include "main/imports.h"
-#include "shader/prog_instruction.h"
+#include "shader/program.h"
+#include "shader/prog_print.h"
 #include "slang_compile.h"
 #include "slang_compile_variable.h"
 #include "slang_mem.h"
@@ -129,7 +130,7 @@ _slang_pop_var_table(slang_var_table *vt)
       /* just verify that any remaining allocations in this scope 
        * were for temps
        */
-      for (i = 0; i < vt->MaxRegisters * 4; i++) {
+      for (i = 0; i < (int) vt->MaxRegisters * 4; i++) {
          if (t->Temps[i] != FREE && t->Parent->Temps[i] == FREE) {
             if (dbg) printf("  Free reg %d\n", i/4);
             assert(t->Temps[i] == TEMP);
@@ -206,7 +207,7 @@ alloc_reg(slang_var_table *vt, GLint size, GLboolean isTemp)
 
    for (i = 0; i <= vt->MaxRegisters * 4 - size; i += step) {
       GLuint found = 0;
-      for (j = 0; j < size; j++) {
+      for (j = 0; j < (GLuint) size; j++) {
          if (i + j < vt->MaxRegisters * 4 && t->Temps[i + j] == FREE) {
             found++;
          }
@@ -218,7 +219,7 @@ alloc_reg(slang_var_table *vt, GLint size, GLboolean isTemp)
          /* found block of size free regs */
          if (size > 1)
             assert(i % 4 == 0);
-         for (j = 0; j < size; j++)
+         for (j = 0; j < (GLuint) size; j++)
             t->Temps[i + j] = isTemp ? TEMP : VAR;
          assert(i < MAX_PROGRAM_TEMPS * 4);
          t->ValSize[i] = size;
@@ -247,14 +248,25 @@ _slang_alloc_var(slang_var_table *vt, slang_ir_storage *store)
    if (store->Size == 1) {
       const GLuint comp = i % 4;
       store->Swizzle = MAKE_SWIZZLE4(comp, comp, comp, comp);
-      if (dbg) printf("Alloc var sz %d at %d.%c (level %d)\n",
-                      store->Size, store->Index, "xyzw"[comp], t->Level);
+   }
+   else if (store->Size == 2) {
+      store->Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
+                                     SWIZZLE_NIL, SWIZZLE_NIL);
+   }
+   else if (store->Size == 3) {
+      store->Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y,
+                                     SWIZZLE_Z, SWIZZLE_NIL);
    }
    else {
       store->Swizzle = SWIZZLE_NOOP;
-      if (dbg) printf("Alloc var sz %d at %d.xyzw (level %d)\n",
-                      store->Size, store->Index, t->Level);
    }
+
+   if (dbg)
+      printf("Alloc var sz %d at %d.%s (level %d)\n",
+             store->Size, store->Index,
+             _mesa_swizzle_string(store->Swizzle, 0, 0),
+             t->Level);
+
    return GL_TRUE;
 }
 
@@ -279,6 +291,7 @@ _slang_alloc_temp(slang_var_table *vt, slang_ir_storage *store)
                       store->Size, store->Index, "xyzw"[comp], t->Level);
    }
    else {
+      /* XXX improve swizzled for size=2/3, use for writemask... */
       store->Swizzle = SWIZZLE_NOOP;
       if (dbg) printf("Alloc temp sz %d at %d.xyzw (level %d)\n",
                       store->Size, store->Index, t->Level);
@@ -313,7 +326,7 @@ _slang_free_temp(slang_var_table *vt, slang_ir_storage *store)
    else {
       /*assert(store->Swizzle == SWIZZLE_NOOP);*/
       assert(t->ValSize[r*4] == store->Size);
-      for (i = 0; i < store->Size; i++) {
+      for (i = 0; i < (GLuint) store->Size; i++) {
          assert(t->Temps[r * 4 + i] == TEMP);
          t->Temps[r * 4 + i] = FREE;
       }
@@ -327,7 +340,7 @@ _slang_is_temp(const slang_var_table *vt, const slang_ir_storage *store)
    struct table *t = vt->Top;
    GLuint comp;
    assert(store->Index >= 0);
-   assert(store->Index < vt->MaxRegisters);
+   assert(store->Index < (int) vt->MaxRegisters);
    if (store->Swizzle == SWIZZLE_NOOP)
       comp = 0;
    else