From: Brian <brian@yutani.localnet.net>
Date: Mon, 8 Jan 2007 21:06:00 +0000 (-0700)
Subject: Move storage allocation functions from slang_emit.c to slang_codegen.c
X-Git-Tag: 062012170305~19731^2~409
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d3fe7398e31d76f5d2fd36856bec7d4483b5efe7;p=profile%2Fivi%2Fmesa.git

Move storage allocation functions from slang_emit.c to slang_codegen.c
---

diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 73ad20a..df361fb 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -29,6 +29,7 @@
  */
 
 #include "imports.h"
+#include "get.h"
 #include "macros.h"
 #include "slang_assemble.h"
 #include "slang_codegen.h"
@@ -42,6 +43,7 @@
 #include "program.h"
 #include "prog_instruction.h"
 #include "prog_parameter.h"
+#include "prog_statevars.h"
 #include "slang_print.h"
 
 
@@ -57,6 +59,285 @@ static slang_ir_node *
 _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper);
 
 
+
+
+/**
+ * Lookup a named constant and allocate storage for the parameter in
+ * the given parameter list.
+ * \return position of the constant in the paramList.
+ */
+static GLint
+slang_lookup_constant(const char *name, GLint index,
+                      struct gl_program_parameter_list *paramList)
+{
+   struct constant_info {
+      const char *Name;
+      const GLenum Token;
+   };
+   static const struct constant_info info[] = {
+      { "gl_MaxLights", GL_MAX_LIGHTS },
+      { "gl_MaxClipPlanes", GL_MAX_CLIP_PLANES },
+      { "gl_MaxTextureUnits", GL_MAX_TEXTURE_UNITS },
+      { "gl_MaxTextureCoords", GL_MAX_TEXTURE_COORDS },
+      { "gl_MaxVertexAttribs", GL_MAX_VERTEX_ATTRIBS },
+      { "gl_MaxVertexUniformComponents", GL_MAX_VERTEX_UNIFORM_COMPONENTS },
+      { "gl_MaxVaryingFloats", GL_MAX_VARYING_FLOATS },
+      { "gl_MaxVertexTextureImageUnits", GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS },
+      { "gl_MaxTextureImageUnits", GL_MAX_TEXTURE_IMAGE_UNITS },
+      { "gl_MaxFragmentUniformComponents", GL_MAX_FRAGMENT_UNIFORM_COMPONENTS },
+      { "gl_MaxCombinedTextureImageUnits", GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS },
+      { NULL, 0 }
+   };
+   GLuint i;
+   GLuint swizzle; /* XXX use this */
+
+   for (i = 0; info[i].Name; i++) {
+      if (strcmp(info[i].Name, name) == 0) {
+         /* found */
+         GLfloat value = -1.0;
+         GLint pos;
+         _mesa_GetFloatv(info[i].Token, &value);
+         ASSERT(value >= 0.0);  /* sanity check that glGetFloatv worked */
+         /* XXX named constant! */
+         pos = _mesa_add_unnamed_constant(paramList, &value, 1, &swizzle);
+         return pos;
+      }
+   }
+   return -1;
+}
+
+
+/**
+ * Determine if 'name' is a state variable.  If so, create a new program
+ * parameter for it, and return the param's index.  Else, return -1.
+ */
+static GLint
+slang_lookup_statevar(const char *name, GLint index,
+                      struct gl_program_parameter_list *paramList)
+{
+   struct state_info {
+      const char *Name;
+      const GLuint NumRows;  /** for matrices */
+      const GLuint Swizzle;
+      const GLint Indexes[6];
+   };
+   static const struct state_info state[] = {
+      { "gl_ModelViewMatrix", 4, SWIZZLE_NOOP,
+        { STATE_MATRIX, STATE_MODELVIEW, 0, 0, 0, 0 } },
+      { "gl_NormalMatrix", 3, SWIZZLE_NOOP,
+        { STATE_MATRIX, STATE_MODELVIEW, 0, 0, 0, 0 } },
+      { "gl_ProjectionMatrix", 4, SWIZZLE_NOOP,
+        { STATE_MATRIX, STATE_PROJECTION, 0, 0, 0, 0 } },
+      { "gl_ModelViewProjectionMatrix", 4, SWIZZLE_NOOP,
+        { STATE_MATRIX, STATE_MVP, 0, 0, 0, 0 } },
+      { "gl_TextureMatrix", 4, SWIZZLE_NOOP,
+        { STATE_MATRIX, STATE_TEXTURE, 0, 0, 0, 0 } },
+      { NULL, 0, 0, {0, 0, 0, 0, 0, 0} }
+   };
+   GLuint i;
+
+   for (i = 0; state[i].Name; i++) {
+      if (strcmp(state[i].Name, name) == 0) {
+         /* found */
+         if (paramList) {
+            if (state[i].NumRows > 1) {
+               /* a matrix */
+               GLuint j;
+               GLint pos[4], indexesCopy[6];
+               /* make copy of state tokens */
+               for (j = 0; j < 6; j++)
+                  indexesCopy[j] = state[i].Indexes[j];
+               /* load rows */
+               for (j = 0; j < state[i].NumRows; j++) {
+                  indexesCopy[3] = indexesCopy[4] = j; /* jth row of matrix */
+                  pos[j] = _mesa_add_state_reference(paramList, indexesCopy);
+                  assert(pos[j] >= 0);
+               }
+               return pos[0];
+            }
+            else {
+               /* non-matrix state */
+               GLint pos
+                  = _mesa_add_state_reference(paramList, state[i].Indexes);
+               assert(pos >= 0);
+               return pos;
+            }
+         }
+      }
+   }
+   return -1;
+}
+
+
+static GLboolean
+is_sampler_type(const slang_fully_specified_type *t)
+{
+   switch (t->specifier.type) {
+   case slang_spec_sampler1D:
+   case slang_spec_sampler2D:
+   case slang_spec_sampler3D:
+   case slang_spec_samplerCube:
+   case slang_spec_sampler1DShadow:
+   case slang_spec_sampler2DShadow:
+      return GL_TRUE;
+   default:
+      return GL_FALSE;
+   }
+}
+
+
+static GLuint
+_slang_sizeof_struct(const slang_struct *s)
+{
+   return 0;
+}
+
+
+static GLuint
+_slang_sizeof_type_specifier(const slang_type_specifier *spec)
+{
+   switch (spec->type) {
+   case slang_spec_void:
+      abort();
+      return 0;
+   case slang_spec_bool:
+      return 1;
+   case slang_spec_bvec2:
+      return 2;
+   case slang_spec_bvec3:
+      return 3;
+   case slang_spec_bvec4:
+      return 4;
+   case slang_spec_int:
+      return 1;
+   case slang_spec_ivec2:
+      return 2;
+   case slang_spec_ivec3:
+      return 3;
+   case slang_spec_ivec4:
+      return 4;
+   case slang_spec_float:
+      return 1;
+   case slang_spec_vec2:
+      return 2;
+   case slang_spec_vec3:
+      return 3;
+   case slang_spec_vec4:
+      return 4;
+   case slang_spec_mat2:
+      return 2 * 2;
+   case slang_spec_mat3:
+      return 3 * 3;
+   case slang_spec_mat4:
+      return 4 * 4;
+   case slang_spec_sampler1D:
+   case slang_spec_sampler2D:
+   case slang_spec_sampler3D:
+   case slang_spec_samplerCube:
+   case slang_spec_sampler1DShadow:
+   case slang_spec_sampler2DShadow:
+      return 1; /* special case */
+   case slang_spec_struct:
+      return _slang_sizeof_struct(spec->_struct);
+   case slang_spec_array:
+      return 1; /* XXX */
+   default:
+      abort();
+      return 0;
+   }
+   return 0;
+}
+
+
+/**
+ * Allocate storage info for an IR node (n->Store).
+ * We may do any of the following:
+ *   1. Compute Store->File/Index for program inputs/outputs/uniforms/etc.
+ *   2. Allocate storage for user-declared variables.
+ *   3. Allocate intermediate/unnamed storage for complex expressions.
+ *   4. other?
+ */
+static void
+slang_resolve_storage(slang_gen_context *gc, slang_ir_node *n,
+                      struct gl_program *prog)
+{
+   assert(gc);
+   assert(n);
+   assert(n->Opcode == IR_VAR_DECL || n->Opcode == IR_VAR);
+   assert(prog);
+
+   if (!n->Store) {
+      /* allocate storage info for this node */
+      if (n->Var && n->Var->aux) {
+         /* node storage info = var storage info */
+         n->Store = (slang_ir_storage *) n->Var->aux;
+      }
+      else {
+         /* alloc new storage info */
+         n->Store = _slang_new_ir_storage(PROGRAM_UNDEFINED, -1, -5);
+         if (n->Var)
+            n->Var->aux = n->Store;
+      }
+   }
+
+   if (n->Opcode == IR_VAR_DECL) {
+      /* variable declaration */
+      assert(n->Var);
+      assert(!is_sampler_type(&n->Var->type));
+      assert(n->Store->Index < 0);
+
+      n->Store->File = PROGRAM_TEMPORARY;
+      n->Store->Size = _slang_sizeof_type_specifier(&n->Var->type.specifier);
+      assert(n->Store->Size > 0);
+      n->Store->Index = _slang_alloc_temporary(gc, n->Store->Size);
+      printf("alloc var %s storage at %d (size %d)\n",
+             (char *) n->Var->a_name,
+             n->Store->Index,
+             n->Store->Size);
+      assert(n->Store->Size > 0);
+      n->Var->declared = GL_TRUE;
+      return;
+   }
+
+   assert(n->Store->File != PROGRAM_UNDEFINED);
+
+   if (n->Store->Index < 0) {
+      /* determine storage location for this var */
+
+      assert(n->Var);
+      assert(n->Store->Size > 0);
+
+      if (n->Store->File == PROGRAM_STATE_VAR) {
+         GLint i = slang_lookup_statevar((char *) n->Var->a_name, 0,
+                                         prog->Parameters);
+         assert(i >= 0);
+         if (i >= 0) {
+            assert(n->Store->File == PROGRAM_STATE_VAR /*||
+                                    n->Store->File == PROGRAM_UNIFORM*/);
+            n->Store->File = PROGRAM_STATE_VAR;
+            n->Store->Index = i;
+            return;
+         }
+      }
+      else if (n->Store->File == PROGRAM_CONSTANT) {
+         GLint i = slang_lookup_constant((char *) n->Var->a_name, 0,
+                                         prog->Parameters);
+         assert(i >= 0);
+         if (i >= 0) {
+            n->Store->File = PROGRAM_CONSTANT;
+            n->Store->Index = i;
+            return;
+         }
+      }
+      else {
+         /* what's this??? */
+         abort();
+      }
+   }
+}
+
+
+
 /**
  * Map "_asm foo" to IR_FOO, etc.
  */
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index 3ee5836..65a3560 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -30,12 +30,10 @@
 
 #include "imports.h"
 #include "context.h"
-#include "get.h"
 #include "macros.h"
 #include "program.h"
 #include "prog_instruction.h"
 #include "prog_parameter.h"
-#include "prog_statevars.h"
 #include "slang_emit.h"
 
 
@@ -201,93 +199,6 @@ storage_string(const slang_ir_storage *st)
 }
 
 
-static GLuint
-sizeof_struct(const slang_struct *s)
-{
-   return 0;
-}
-
-
-GLuint
-_slang_sizeof_type_specifier(const slang_type_specifier *spec)
-{
-   switch (spec->type) {
-   case slang_spec_void:
-      abort();
-      return 0;
-   case slang_spec_bool:
-      return 1;
-   case slang_spec_bvec2:
-      return 2;
-   case slang_spec_bvec3:
-      return 3;
-   case slang_spec_bvec4:
-      return 4;
-   case slang_spec_int:
-      return 1;
-   case slang_spec_ivec2:
-      return 2;
-   case slang_spec_ivec3:
-      return 3;
-   case slang_spec_ivec4:
-      return 4;
-   case slang_spec_float:
-      return 1;
-   case slang_spec_vec2:
-      return 2;
-   case slang_spec_vec3:
-      return 3;
-   case slang_spec_vec4:
-      return 4;
-   case slang_spec_mat2:
-      return 2 * 2;
-   case slang_spec_mat3:
-      return 3 * 3;
-   case slang_spec_mat4:
-      return 4 * 4;
-   case slang_spec_sampler1D:
-   case slang_spec_sampler2D:
-   case slang_spec_sampler3D:
-   case slang_spec_samplerCube:
-   case slang_spec_sampler1DShadow:
-   case slang_spec_sampler2DShadow:
-      return 1; /* special case */
-   case slang_spec_struct:
-      return sizeof_struct(spec->_struct);
-   case slang_spec_array:
-      return 1; /* XXX */
-   default:
-      abort();
-      return 0;
-   }
-   return 0;
-}
-
-
-static GLuint
-sizeof_type(const slang_fully_specified_type *t)
-{
-   return _slang_sizeof_type_specifier(&t->specifier);
-}
-
-
-static GLboolean
-is_sampler_type(const slang_fully_specified_type *t)
-{
-   switch (t->specifier.type) {
-   case slang_spec_sampler1D:
-   case slang_spec_sampler2D:
-   case slang_spec_sampler3D:
-   case slang_spec_samplerCube:
-   case slang_spec_sampler1DShadow:
-   case slang_spec_sampler2DShadow:
-      return GL_TRUE;
-   default:
-      return GL_FALSE;
-   }
-}
-
-
 #define IND 0
 void
 slang_print_ir(const slang_ir_node *n, int indent)
@@ -365,8 +276,8 @@ slang_print_ir(const slang_ir_node *n, int indent)
 }
 
 
-static GLint
-alloc_temporary(slang_gen_context *gc, GLint size)
+GLint
+_slang_alloc_temporary(slang_gen_context *gc, GLint size)
 {
    const GLuint sz4 = (size + 3) / 4;
    GLuint i, j;
@@ -389,14 +300,6 @@ alloc_temporary(slang_gen_context *gc, GLint size)
 }
 
 
-static GLint
-alloc_sampler(slang_gen_context *gc)
-{
-   GLint sampler = gc->NumSamplers;
-   gc->NumSamplers++;
-   return sampler;
-}
-
 
 static GLboolean
 is_temporary(const slang_gen_context *gc, const slang_ir_storage *st)
@@ -421,123 +324,6 @@ free_temporary(slang_gen_context *gc, GLuint r, GLint size)
 
 
 /**
- * Lookup a named constant and allocate storage for the parameter in
- * the given parameter list.
- * \return position of the constant in the paramList.
- */
-static GLint
-slang_lookup_constant(const char *name, GLint index,
-                      struct gl_program_parameter_list *paramList)
-{
-   struct constant_info {
-      const char *Name;
-      const GLenum Token;
-   };
-   static const struct constant_info info[] = {
-      { "gl_MaxLights", GL_MAX_LIGHTS },
-      { "gl_MaxClipPlanes", GL_MAX_CLIP_PLANES },
-      { "gl_MaxTextureUnits", GL_MAX_TEXTURE_UNITS },
-      { "gl_MaxTextureCoords", GL_MAX_TEXTURE_COORDS },
-      { "gl_MaxVertexAttribs", GL_MAX_VERTEX_ATTRIBS },
-      { "gl_MaxVertexUniformComponents", GL_MAX_VERTEX_UNIFORM_COMPONENTS },
-      { "gl_MaxVaryingFloats", GL_MAX_VARYING_FLOATS },
-      { "gl_MaxVertexTextureImageUnits", GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS },
-      { "gl_MaxTextureImageUnits", GL_MAX_TEXTURE_IMAGE_UNITS },
-      { "gl_MaxFragmentUniformComponents", GL_MAX_FRAGMENT_UNIFORM_COMPONENTS },
-      { "gl_MaxCombinedTextureImageUnits", GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS },
-      { NULL, 0 }
-   };
-   GLuint i;
-   GLuint swizzle; /* XXX use this */
-
-   for (i = 0; info[i].Name; i++) {
-      if (strcmp(info[i].Name, name) == 0) {
-         /* found */
-         GLfloat value = -1.0;
-         GLint pos;
-         _mesa_GetFloatv(info[i].Token, &value);
-         ASSERT(value >= 0.0);  /* sanity check that glGetFloatv worked */
-         /* XXX named constant! */
-         pos = _mesa_add_unnamed_constant(paramList, &value, 1, &swizzle);
-         return pos;
-      }
-   }
-   return -1;
-}
-
-
-/**
- * Determine if 'name' is a state variable.  If so, create a new program
- * parameter for it, and return the param's index.  Else, return -1.
- */
-static GLint
-slang_lookup_statevar(const char *name, GLint index,
-                      struct gl_program_parameter_list *paramList)
-{
-   struct state_info {
-      const char *Name;
-      const GLuint NumRows;  /** for matrices */
-      const GLuint Swizzle;
-      const GLint Indexes[6];
-   };
-   static const struct state_info state[] = {
-      { "gl_ModelViewMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_MODELVIEW, 0, 0, 0, 0 } },
-      { "gl_NormalMatrix", 3, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_MODELVIEW, 0, 0, 0, 0 } },
-      { "gl_ProjectionMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_PROJECTION, 0, 0, 0, 0 } },
-      { "gl_ModelViewProjectionMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_MVP, 0, 0, 0, 0 } },
-      { "gl_TextureMatrix", 4, SWIZZLE_NOOP,
-        { STATE_MATRIX, STATE_TEXTURE, 0, 0, 0, 0 } },
-      { NULL, 0, 0, {0, 0, 0, 0, 0, 0} }
-   };
-   GLuint i;
-
-   for (i = 0; state[i].Name; i++) {
-      if (strcmp(state[i].Name, name) == 0) {
-         /* found */
-         if (paramList) {
-            if (state[i].NumRows > 1) {
-               /* a matrix */
-               GLuint j;
-               GLint pos[4], indexesCopy[6];
-               /* make copy of state tokens */
-               for (j = 0; j < 6; j++)
-                  indexesCopy[j] = state[i].Indexes[j];
-               /* load rows */
-               for (j = 0; j < state[i].NumRows; j++) {
-                  indexesCopy[3] = indexesCopy[4] = j; /* jth row of matrix */
-                  pos[j] = _mesa_add_state_reference(paramList, indexesCopy);
-                  assert(pos[j] >= 0);
-               }
-               return pos[0];
-            }
-            else {
-               /* non-matrix state */
-               GLint pos
-                  = _mesa_add_state_reference(paramList, state[i].Indexes);
-               assert(pos >= 0);
-               return pos;
-            }
-         }
-      }
-   }
-   return -1;
-}
-
-
-static GLint
-slang_alloc_uniform(struct gl_program *prog, const char *name, GLuint size)
-{
-   GLint i = _mesa_add_uniform(prog->Parameters, name, size);
-   return i;
-}
-
-
-
-/**
  * Allocate temporary storage for an intermediate result (such as for
  * a multiply or add, etc.
  */
@@ -548,112 +334,11 @@ slang_alloc_temp_storage(slang_gen_context *gc, slang_ir_node *n, GLint size)
    assert(!n->Var);
    assert(!n->Store);
    assert(size > 0);
-   indx = alloc_temporary(gc, size);
+   indx = _slang_alloc_temporary(gc, size);
    n->Store = _slang_new_ir_storage(PROGRAM_TEMPORARY, indx, size);
 }
 
 
-/**
- * Allocate storage info for an IR node (n->Store).
- * We may do any of the following:
- *   1. Compute Store->File/Index for program inputs/outputs/uniforms/etc.
- *   2. Allocate storage for user-declared variables.
- *   3. Allocate intermediate/unnamed storage for complex expressions.
- *   4. other?
- */
-void
-slang_resolve_storage(slang_gen_context *gc, slang_ir_node *n,
-                      struct gl_program *prog)
-{
-   assert(gc);
-   assert(n);
-   assert(prog);
-
-   if (!n->Store) {
-      /* allocate storage info for this node */
-      if (n->Var && n->Var->aux) {
-         /* node storage info = var storage info */
-         n->Store = (slang_ir_storage *) n->Var->aux;
-      }
-      else {
-         /* alloc new storage info */
-         n->Store = _slang_new_ir_storage(PROGRAM_UNDEFINED, -1, -5);
-         if (n->Var)
-            n->Var->aux = n->Store;
-      }
-   }
-
-   if (n->Opcode == IR_VAR_DECL) {
-      /* storage declaration */
-      assert(n->Var);
-      assert(!is_sampler_type(&n->Var->type));
-      assert(n->Store->Index < 0);
-
-      if (n->Store->Index < 0) { /* XXX assert this? */
-         assert(gc);
-         n->Store->File = PROGRAM_TEMPORARY;
-         n->Store->Size = sizeof_type(&n->Var->type);
-         n->Store->Index = alloc_temporary(gc, n->Store->Size);
-         printf("alloc var %s storage at %d (size %d)\n",
-                (char *) n->Var->a_name,
-                n->Store->Index,
-                n->Store->Size);
-         assert(n->Store->Size > 0);
-         n->Var->declared = GL_TRUE;
-      }
-      assert(n->Store->Size > 0);
-      return;
-   }
-
-   /*
-   assert(!is_sampler_type(&n->Var->type));
-   */
-   assert(n->Opcode == IR_VAR);
-   assert(n->Store->File != PROGRAM_UNDEFINED);
-
-   if (n->Store->Index < 0) {
-      /* determine storage location for this var */
-      GLint i;
-
-      assert(n->Var);
-      assert(n->Store->Size > 0);
-
-      if (n->Store->Size < 0) {
-         /* determine var/storage size now */
-         abort();
-         n->Store->Size = sizeof_type(&n->Var->type);
-         assert(n->Store->Size > 0);
-      }
-
-      if (n->Store->File == PROGRAM_STATE_VAR) {
-         i = slang_lookup_statevar((char *) n->Var->a_name, 0, prog->Parameters);
-         assert(i >= 0);
-         if (i >= 0) {
-            assert(n->Store->File == PROGRAM_STATE_VAR /*||
-                                    n->Store->File == PROGRAM_UNIFORM*/);
-            n->Store->File = PROGRAM_STATE_VAR;
-            n->Store->Index = i;
-            return;
-         }
-      }
-      else if (n->Store->File == PROGRAM_CONSTANT) {
-         i = slang_lookup_constant((char *) n->Var->a_name, 0,
-                                   prog->Parameters);
-         assert(i >= 0);
-         if (i >= 0) {
-            n->Store->File = PROGRAM_CONSTANT;
-            n->Store->Index = i;
-            return;
-         }
-      }
-      else {
-         /* what's this??? */
-         abort();
-      }
-   }
-}
-
-
 static slang_ir_storage *
 alloc_constant(const GLfloat v[], GLuint size, struct gl_program *prog)
 {
@@ -775,11 +460,7 @@ emit_binop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
    inst = new_instruction(prog, info->InstOpcode);
    /* alloc temp storage for the result: */
    if (!n->Store || n->Store->File == PROGRAM_UNDEFINED) {
-#if 1
       slang_alloc_temp_storage(gc, n, info->ResultSize);
-#else
-      slang_resolve_storage(gc, n, prog);
-#endif
    }
    storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
    storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store,
@@ -927,29 +608,13 @@ emit(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
       return inst;
       break;
    case IR_VAR_DECL:
-#if 0000
-      slang_resolve_storage(gc, n, prog);
-#endif
+   case IR_VAR:
       /* Storage should have already been resolved/allocated */
+      assert(n->Store);
       assert(n->Store->File != PROGRAM_UNDEFINED);
       assert(n->Store->Index >= 0);
       assert(n->Store->Size > 0);
       break;
-   case IR_VAR:
-      /*printf("Gen: var ref\n");*/
-      {
-         assert(n->Store);
-         assert(n->Store->File != PROGRAM_UNDEFINED);
-         assert(n->Store->Index >= 0);
-#if 00
-         int b = !n->Store || n->Store->Index < 0;
-         if (b)
-            slang_resolve_storage(gc, n, prog);
-         /*assert(n->Store->Index >= 0);*/
-#endif
-         assert(n->Store->Size > 0);
-      }
-      break;
    case IR_MOVE:
       /* rhs */
       assert(n->Children[1]);
diff --git a/src/mesa/shader/slang/slang_emit.h b/src/mesa/shader/slang/slang_emit.h
index 8ac17e6..50585a4 100644
--- a/src/mesa/shader/slang/slang_emit.h
+++ b/src/mesa/shader/slang/slang_emit.h
@@ -48,13 +48,8 @@ extern slang_ir_storage *
 _slang_clone_ir_storage(slang_ir_storage *store);
 
 
-extern GLuint
-_slang_sizeof_type_specifier(const slang_type_specifier *spec);
-
-
-extern void
-slang_resolve_storage(slang_gen_context *gc, slang_ir_node *n,
-                      struct gl_program *prog);
+extern GLint
+_slang_alloc_temporary(slang_gen_context *gc, GLint size);
 
 extern GLboolean
 _slang_emit_code(slang_ir_node *n, slang_gen_context *gc,