svn merge ^/branches/released .

1 files changed, 0 insertions, 362 deletions

diff --git a/mesalib/src/mesa/shader/slang/slang_vartable.c b/mesalib/src/mesa/shader/slang/slang_vartable.c
deleted file mode 100644
index e07e3a226..000000000
--- a/mesalib/src/mesa/shader/slang/slang_vartable.c
+++ /dev/null
@@ -1,362 +0,0 @@
-
-#include "main/imports.h"
-#include "shader/program.h"
-#include "shader/prog_print.h"
-#include "slang_compile.h"
-#include "slang_compile_variable.h"
-#include "slang_emit.h"
-#include "slang_mem.h"
-#include "slang_vartable.h"
-#include "slang_ir.h"
-
-
-static int dbg = 0;
-
-
-typedef enum {
-   FREE,
-   VAR,
-   TEMP
-} TempState;
-
-
-/**
- * Variable/register info for one variable scope.
- */
-struct table
-{
-   int Level;
-   int NumVars;
-   slang_variable **Vars;  /* array [NumVars] */
-
-   TempState Temps[MAX_PROGRAM_TEMPS * 4];  /* per-component state */
-   int ValSize[MAX_PROGRAM_TEMPS * 4];     /**< For debug only */
-
-   struct table *Parent;  /** Parent scope table */
-};
-
-
-/**
- * A variable table is a stack of tables, one per scope.
- */
-struct slang_var_table_
-{
-   GLint CurLevel;
-   GLuint MaxRegisters;
-   struct table *Top;  /**< Table at top of stack */
-};
-
-
-
-slang_var_table *
-_slang_new_var_table(GLuint maxRegisters)
-{
-   slang_var_table *vt
-      = (slang_var_table *) _slang_alloc(sizeof(slang_var_table));
-   if (vt) {
-      vt->MaxRegisters = maxRegisters;
-   }
-   return vt;
-}
-
-
-void
-_slang_delete_var_table(slang_var_table *vt)
-{
-   if (vt->Top) {
-      _mesa_problem(NULL, "non-empty var table in _slang_delete_var_table()");
-      return;
-   }
-   _slang_free(vt);
-}
-
-
-
-/**
- * Create new table on top of vartable stack.
- * Used when we enter a {} block.
- */
-void
-_slang_push_var_table(slang_var_table *vt)
-{
-   struct table *t = (struct table *) _slang_alloc(sizeof(struct table));
-   if (t) {
-      t->Level = vt->CurLevel++;
-      t->Parent = vt->Top;
-      if (t->Parent) {
-         /* copy the info indicating which temp regs are in use */
-         memcpy(t->Temps, t->Parent->Temps, sizeof(t->Temps));
-         memcpy(t->ValSize, t->Parent->ValSize, sizeof(t->ValSize));
-      }
-      vt->Top = t;
-      if (dbg) printf("Pushing level %d\n", t->Level);
-   }
-}
-
-
-/**
- * Pop top entry from variable table.
- * Used when we leave a {} block.
- */
-void
-_slang_pop_var_table(slang_var_table *vt)
-{
-   struct table *t = vt->Top;
-   int i;
-
-   if (dbg) printf("Popping level %d\n", t->Level);
-
-   /* free the storage allocated for each variable */
-   for (i = 0; i < t->NumVars; i++) {
-      slang_ir_storage *store = t->Vars[i]->store;
-      GLint j;
-      GLuint comp;
-      if (dbg) printf("  Free var %s, size %d at %d.%s\n",
-                      (char*) t->Vars[i]->a_name, store->Size,
-                      store->Index,
-                      _mesa_swizzle_string(store->Swizzle, 0, 0));
-
-      if (store->File == PROGRAM_SAMPLER) {
-         /* samplers have no storage */
-         continue;
-      }
-
-      if (store->Size == 1)
-         comp = GET_SWZ(store->Swizzle, 0);
-      else
-         comp = 0;
-
-      /* store->Index may be -1 if we run out of registers */
-      if (store->Index >= 0) {
-         for (j = 0; j < store->Size; j++) {
-            assert(t->Temps[store->Index * 4 + j + comp] == VAR);
-            t->Temps[store->Index * 4 + j + comp] = FREE;
-         }
-      }
-      store->Index = -1;
-   }
-   if (t->Parent) {
-      /* just verify that any remaining allocations in this scope 
-       * were for temps
-       */
-      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);
-         }
-      }
-   }
-
-   if (t->Vars) {
-      _slang_free(t->Vars);
-      t->Vars = NULL;
-   }
-
-   vt->Top = t->Parent;
-   _slang_free(t);
-   vt->CurLevel--;
-}
-
-
-/**
- * Add a new variable to the given var/symbol table.
- */
-void
-_slang_add_variable(slang_var_table *vt, slang_variable *v)
-{
-   struct table *t;
-   assert(vt);
-   t = vt->Top;
-   assert(t);
-   if (dbg) printf("Adding var %s, store %p\n", (char *) v->a_name, (void *) v->store);
-   t->Vars = (slang_variable **)
-      _slang_realloc(t->Vars,
-                     t->NumVars * sizeof(slang_variable *),
-                     (t->NumVars + 1) * sizeof(slang_variable *));
-   t->Vars[t->NumVars] = v;
-   t->NumVars++;
-}
-
-
-/**
- * Look for variable by name in given table.
- * If not found, Parent table will be searched.
- */
-slang_variable *
-_slang_find_variable(const slang_var_table *vt, slang_atom name)
-{
-   struct table *t = vt->Top;
-   while (1) {
-      int i;
-      for (i = 0; i < t->NumVars; i++) {
-         if (t->Vars[i]->a_name == name)
-            return t->Vars[i];
-      }
-      if (t->Parent)
-         t = t->Parent;
-      else
-         return NULL;
-   }
-}
-
-
-/**
- * Allocation helper.
- * \param size  var size in floats
- * \return  position for var, measured in floats
- */
-static GLint
-alloc_reg(slang_var_table *vt, GLint size, GLboolean isTemp)
-{
-   struct table *t = vt->Top;
-   /* if size == 1, allocate anywhere, else, pos must be multiple of 4 */
-   const GLuint step = (size == 1) ? 1 : 4;
-   GLuint i, j;
-   assert(size > 0); /* number of floats */
-
-   for (i = 0; i <= vt->MaxRegisters * 4 - size; i += step) {
-      GLuint found = 0;
-      for (j = 0; j < (GLuint) size; j++) {
-         assert(i + j < 4 * MAX_PROGRAM_TEMPS);
-         if (i + j < vt->MaxRegisters * 4 && t->Temps[i + j] == FREE) {
-            found++;
-         }
-         else {
-            break;
-         }
-      }
-      if (found == size) {
-         /* found block of size free regs */
-         if (size > 1)
-            assert(i % 4 == 0);
-         for (j = 0; j < (GLuint) size; j++) {
-            assert(i + j < 4 * MAX_PROGRAM_TEMPS);
-            t->Temps[i + j] = isTemp ? TEMP : VAR;
-         }
-         assert(i < MAX_PROGRAM_TEMPS * 4);
-         t->ValSize[i] = size;
-         return i;
-      }
-   }
-
-   /* if we get here, we ran out of registers */
-   return -1;
-}
-
-
-/**
- * Allocate temp register(s) for storing a variable.
- * \param size  size needed, in floats
- * \param swizzle  returns swizzle mask for accessing var in register
- * \return  register allocated, or -1
- */
-GLboolean
-_slang_alloc_var(slang_var_table *vt, slang_ir_storage *store)
-{
-   struct table *t = vt->Top;
-   int i;
-
-   if (store->File == PROGRAM_SAMPLER) {
-      /* don't really allocate storage */
-      store->Index = 0;
-      return GL_TRUE;
-   }
-
-   i = alloc_reg(vt, store->Size, GL_FALSE);
-   if (i < 0)
-      return GL_FALSE;
-
-   store->Index = i / 4;
-   store->Swizzle = _slang_var_swizzle(store->Size, i % 4);
-
-   if (dbg)
-      printf("Alloc var storage sz %d at %d.%s (level %d) store %p\n",
-             store->Size, store->Index,
-             _mesa_swizzle_string(store->Swizzle, 0, 0),
-             t->Level,
-             (void*) store);
-
-   return GL_TRUE;
-}
-
-
-
-/**
- * Allocate temp register(s) for storing an unnamed intermediate value.
- */
-GLboolean
-_slang_alloc_temp(slang_var_table *vt, slang_ir_storage *store)
-{
-   struct table *t = vt->Top;
-   const int i = alloc_reg(vt, store->Size, GL_TRUE);
-   if (i < 0)
-      return GL_FALSE;
-
-   assert(store->Index < 0);
-
-   store->Index = i / 4;
-   store->Swizzle = _slang_var_swizzle(store->Size, i % 4);
-
-   if (dbg) printf("Alloc temp sz %d at %d.%s (level %d) store %p\n",
-                   store->Size, store->Index,
-                   _mesa_swizzle_string(store->Swizzle, 0, 0), t->Level,
-                   (void *) store);
-
-   return GL_TRUE;
-}
-
-
-void
-_slang_free_temp(slang_var_table *vt, slang_ir_storage *store)
-{
-   struct table *t = vt->Top;
-   GLuint i;
-   GLint r = store->Index;
-   assert(store->Size > 0);
-   assert(r >= 0);
-   assert((GLuint)r + store->Size <= vt->MaxRegisters * 4);
-   if (dbg) printf("Free temp sz %d at %d.%s (level %d) store %p\n",
-                   store->Size, r,
-                   _mesa_swizzle_string(store->Swizzle, 0, 0),
-                   t->Level, (void *) store);
-   if (store->Size == 1) {
-      const GLuint comp = GET_SWZ(store->Swizzle, 0);
-      /* we can actually fail some of these assertions because of the
-       * troublesome IR_SWIZZLE handling.
-       */
-#if 0
-      assert(store->Swizzle == MAKE_SWIZZLE4(comp, comp, comp, comp));
-      assert(comp < 4);
-      assert(t->ValSize[r * 4 + comp] == 1);
-#endif
-      assert(t->Temps[r * 4 + comp] == TEMP);
-      t->Temps[r * 4 + comp] = FREE;
-   }
-   else {
-      /*assert(store->Swizzle == SWIZZLE_NOOP);*/
-      assert(t->ValSize[r*4] == store->Size);
-      for (i = 0; i < (GLuint) store->Size; i++) {
-         assert(t->Temps[r * 4 + i] == TEMP);
-         t->Temps[r * 4 + i] = FREE;
-      }
-   }
-}
-
-
-GLboolean
-_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 < (int) vt->MaxRegisters);
-   if (store->Swizzle == SWIZZLE_NOOP)
-      comp = 0;
-   else
-      comp = GET_SWZ(store->Swizzle, 0);
-
-   if (t->Temps[store->Index * 4 + comp] == TEMP)
-      return GL_TRUE;
-   else
-      return GL_FALSE;
-}