xserver and mesa git update 28-12-2010

1 files changed, 795 insertions, 794 deletions

diff --git a/mesalib/src/mesa/main/atifragshader.c b/mesalib/src/mesa/main/atifragshader.c
index 550f50b7a..f2a41e30b 100644
--- a/mesalib/src/mesa/main/atifragshader.c
+++ b/mesalib/src/mesa/main/atifragshader.c
@@ -1,794 +1,795 @@
-/**
- * \file atifragshader.c
- * \author David Airlie
- * Copyright (C) 2004  David Airlie   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * DAVID AIRLIE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/hash.h"
-#include "main/imports.h"
-#include "main/macros.h"
-#include "main/enums.h"
-#include "main/mtypes.h"
-#include "main/dispatch.h"
-#include "main/atifragshader.h"
-
-#if FEATURE_ATI_fragment_shader
-
-#define MESA_DEBUG_ATI_FS 0
-
-static struct ati_fragment_shader DummyShader;
-
-
-void
-_mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp)
-{
-   SET_GenFragmentShadersATI(disp, _mesa_GenFragmentShadersATI);
-   SET_BindFragmentShaderATI(disp, _mesa_BindFragmentShaderATI);
-   SET_DeleteFragmentShaderATI(disp, _mesa_DeleteFragmentShaderATI);
-   SET_BeginFragmentShaderATI(disp, _mesa_BeginFragmentShaderATI);
-   SET_EndFragmentShaderATI(disp, _mesa_EndFragmentShaderATI);
-   SET_PassTexCoordATI(disp, _mesa_PassTexCoordATI);
-   SET_SampleMapATI(disp, _mesa_SampleMapATI);
-   SET_ColorFragmentOp1ATI(disp, _mesa_ColorFragmentOp1ATI);
-   SET_ColorFragmentOp2ATI(disp, _mesa_ColorFragmentOp2ATI);
-   SET_ColorFragmentOp3ATI(disp, _mesa_ColorFragmentOp3ATI);
-   SET_AlphaFragmentOp1ATI(disp, _mesa_AlphaFragmentOp1ATI);
-   SET_AlphaFragmentOp2ATI(disp, _mesa_AlphaFragmentOp2ATI);
-   SET_AlphaFragmentOp3ATI(disp, _mesa_AlphaFragmentOp3ATI);
-   SET_SetFragmentShaderConstantATI(disp, _mesa_SetFragmentShaderConstantATI);
-}
-
-
-/**
- * Allocate and initialize a new ATI fragment shader object.
- */
-struct ati_fragment_shader *
-_mesa_new_ati_fragment_shader(GLcontext *ctx, GLuint id)
-{
-   struct ati_fragment_shader *s = CALLOC_STRUCT(ati_fragment_shader);
-   (void) ctx;
-   if (s) {
-      s->Id = id;
-      s->RefCount = 1;
-   }
-   return s;
-}
-
-
-/**
- * Delete the given ati fragment shader
- */
-void
-_mesa_delete_ati_fragment_shader(GLcontext *ctx, struct ati_fragment_shader *s)
-{
-   GLuint i;
-   for (i = 0; i < MAX_NUM_PASSES_ATI; i++) {
-      if (s->Instructions[i])
-         free(s->Instructions[i]);
-      if (s->SetupInst[i])
-         free(s->SetupInst[i]);
-   }
-   free(s);
-}
-
-
-
-static void
-new_arith_inst(struct ati_fragment_shader *prog)
-{
-/* set "default" instruction as not all may get defined.
-   there is no specified way to express a nop with ati fragment shaders we use
-   GL_NONE as the op enum and just set some params to 0 - so nothing to do here */
-   prog->numArithInstr[prog->cur_pass >> 1]++;
-}
-
-static void
-new_tex_inst(struct ati_fragment_shader *prog)
-{
-}
-
-static void match_pair_inst(struct ati_fragment_shader *curProg, GLuint optype)
-{
-   if (optype == curProg->last_optype) {
-      curProg->last_optype = 1;
-   }
-}
-
-#if MESA_DEBUG_ATI_FS
-static char *
-create_dst_mod_str(GLuint mod)
-{
-   static char ret_str[1024];
-
-   memset(ret_str, 0, 1024);
-   if (mod & GL_2X_BIT_ATI)
-      strncat(ret_str, "|2X", 1024);
-
-   if (mod & GL_4X_BIT_ATI)
-      strncat(ret_str, "|4X", 1024);
-
-   if (mod & GL_8X_BIT_ATI)
-      strncat(ret_str, "|8X", 1024);
-   if (mod & GL_HALF_BIT_ATI)
-      strncat(ret_str, "|HA", 1024);
-   if (mod & GL_QUARTER_BIT_ATI)
-      strncat(ret_str, "|QU", 1024);
-   if (mod & GL_EIGHTH_BIT_ATI)
-      strncat(ret_str, "|EI", 1024);
-
-   if (mod & GL_SATURATE_BIT_ATI)
-      strncat(ret_str, "|SAT", 1024);
-
-   if (strlen(ret_str) == 0)
-      strncat(ret_str, "NONE", 1024);
-   return ret_str;
-}
-
-static char *atifs_ops[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI", 
-			    "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };
-
-static void debug_op(GLint optype, GLuint arg_count, GLenum op, GLuint dst,
-		     GLuint dstMask, GLuint dstMod, GLuint arg1,
-		     GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
-		     GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
-		     GLuint arg3Rep, GLuint arg3Mod)
-{
-  char *op_name;
-
-  op_name = atifs_ops[(arg_count-1)+(optype?3:0)];
-  
-  fprintf(stderr, "%s(%s, %s", op_name, _mesa_lookup_enum_by_nr(op),
-	      _mesa_lookup_enum_by_nr(dst));
-  if (!optype)
-    fprintf(stderr, ", %d", dstMask);
-  
-  fprintf(stderr, ", %s", create_dst_mod_str(dstMod));
-  
-  fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg1),
-	      _mesa_lookup_enum_by_nr(arg1Rep), arg1Mod);
-  if (arg_count>1)
-    fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg2),
-	      _mesa_lookup_enum_by_nr(arg2Rep), arg2Mod);
-  if (arg_count>2)
-    fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg3),
-	      _mesa_lookup_enum_by_nr(arg3Rep), arg3Mod);
-
-  fprintf(stderr,")\n");
-
-}
-#endif
-
-static int check_arith_arg(struct ati_fragment_shader *curProg,
-			GLuint optype, GLuint arg, GLuint argRep)
-{
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (((arg < GL_CON_0_ATI) || (arg > GL_CON_7_ATI)) &&
-      ((arg < GL_REG_0_ATI) || (arg > GL_REG_5_ATI)) &&
-      (arg != GL_ZERO) && (arg != GL_ONE) &&
-      (arg != GL_PRIMARY_COLOR_ARB) && (arg != GL_SECONDARY_INTERPOLATOR_ATI)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(arg)");
-      return 0;
-   }
-   if ((arg == GL_SECONDARY_INTERPOLATOR_ATI) && (((optype == 0) && (argRep == GL_ALPHA)) ||
-      ((optype == 1) && ((arg == GL_ALPHA) || (argRep == GL_NONE))))) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)");
-      return 0;
-   }
-   if ((arg == GL_SECONDARY_INTERPOLATOR_ATI) && (((optype == 0) && (argRep == GL_ALPHA)) ||
-      ((optype == 1) && ((arg == GL_ALPHA) || (argRep == GL_NONE))))) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)");
-      return 0;
-   }
-   if ((curProg->cur_pass == 1) &&
-      ((arg == GL_PRIMARY_COLOR_ARB) || (arg == GL_SECONDARY_INTERPOLATOR_ATI))) {
-      curProg->interpinp1 = GL_TRUE;
-   }
-   return 1;
-}
-
-GLuint GLAPIENTRY
-_mesa_GenFragmentShadersATI(GLuint range)
-{
-   GLuint first;
-   GLuint i;
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (range == 0) {
-      _mesa_error(ctx, GL_INVALID_VALUE, "glGenFragmentShadersATI(range)");
-      return 0;
-   }
-
-   if (ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glGenFragmentShadersATI(insideShader)");
-      return 0;
-   }
-
-   first = _mesa_HashFindFreeKeyBlock(ctx->Shared->ATIShaders, range);
-   for (i = 0; i < range; i++) {
-      _mesa_HashInsert(ctx->Shared->ATIShaders, first + i, &DummyShader);
-   }
-
-   return first;
-}
-
-void GLAPIENTRY
-_mesa_BindFragmentShaderATI(GLuint id)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;
-   struct ati_fragment_shader *newProg;
-
-   if (ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFragmentShaderATI(insideShader)");
-      return;
-   }
-
-   FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
-   if (curProg->Id == id) {
-      return;
-   }
-
-   /* unbind current */
-   if (curProg->Id != 0) {
-      curProg->RefCount--;
-      if (curProg->RefCount <= 0) {
-	 _mesa_HashRemove(ctx->Shared->ATIShaders, id);
-      }
-   }
-
-   /* find new shader */
-   if (id == 0) {
-      newProg = ctx->Shared->DefaultFragmentShader;
-   }
-   else {
-      newProg = (struct ati_fragment_shader *)
-         _mesa_HashLookup(ctx->Shared->ATIShaders, id);
-      if (!newProg || newProg == &DummyShader) {
-	 /* allocate a new program now */
-	 newProg = _mesa_new_ati_fragment_shader(ctx, id);
-	 if (!newProg) {
-	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFragmentShaderATI");
-	    return;
-	 }
-	 _mesa_HashInsert(ctx->Shared->ATIShaders, id, newProg);
-      }
-
-   }
-
-   /* do actual bind */
-   ctx->ATIFragmentShader.Current = newProg;
-
-   ASSERT(ctx->ATIFragmentShader.Current);
-   if (newProg)
-      newProg->RefCount++;
-
-   /*if (ctx->Driver.BindProgram)
-      ctx->Driver.BindProgram(ctx, target, prog); */
-}
-
-void GLAPIENTRY
-_mesa_DeleteFragmentShaderATI(GLuint id)
-{
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteFragmentShaderATI(insideShader)");
-      return;
-   }
-
-   if (id != 0) {
-      struct ati_fragment_shader *prog = (struct ati_fragment_shader *)
-	 _mesa_HashLookup(ctx->Shared->ATIShaders, id);
-      if (prog == &DummyShader) {
-	 _mesa_HashRemove(ctx->Shared->ATIShaders, id);
-      }
-      else if (prog) {
-	 if (ctx->ATIFragmentShader.Current &&
-	     ctx->ATIFragmentShader.Current->Id == id) {
-	     FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-	    _mesa_BindFragmentShaderATI(0);
-	 }
-      }
-
-      /* The ID is immediately available for re-use now */
-      _mesa_HashRemove(ctx->Shared->ATIShaders, id);
-      if (prog) {
-	 prog->RefCount--;
-	 if (prog->RefCount <= 0) {
-	    free(prog);
-	 }
-      }
-   }
-}
-
-
-void GLAPIENTRY
-_mesa_BeginFragmentShaderATI(void)
-{
-   GLint i;
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginFragmentShaderATI(insideShader)");
-      return;
-   }
-
-   FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
-   /* if the shader was already defined free instructions and get new ones
-      (or, could use the same mem but would need to reinitialize) */
-   /* no idea if it's allowed to redefine a shader */
-   for (i = 0; i < MAX_NUM_PASSES_ATI; i++) {
-         if (ctx->ATIFragmentShader.Current->Instructions[i])
-            free(ctx->ATIFragmentShader.Current->Instructions[i]);
-         if (ctx->ATIFragmentShader.Current->SetupInst[i])
-            free(ctx->ATIFragmentShader.Current->SetupInst[i]);
-   }
-
-   /* malloc the instructions here - not sure if the best place but its
-      a start */
-   for (i = 0; i < MAX_NUM_PASSES_ATI; i++) {
-      ctx->ATIFragmentShader.Current->Instructions[i] =
-	 (struct atifs_instruction *)
-	 calloc(1, sizeof(struct atifs_instruction) *
-		   (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI));
-      ctx->ATIFragmentShader.Current->SetupInst[i] =
-	 (struct atifs_setupinst *)
-	 calloc(1, sizeof(struct atifs_setupinst) *
-		   (MAX_NUM_FRAGMENT_REGISTERS_ATI));
-   }
-
-/* can't rely on calloc for initialization as it's possible to redefine a shader (?) */
-   ctx->ATIFragmentShader.Current->LocalConstDef = 0;
-   ctx->ATIFragmentShader.Current->numArithInstr[0] = 0;
-   ctx->ATIFragmentShader.Current->numArithInstr[1] = 0;
-   ctx->ATIFragmentShader.Current->regsAssigned[0] = 0;
-   ctx->ATIFragmentShader.Current->regsAssigned[1] = 0;
-   ctx->ATIFragmentShader.Current->NumPasses = 0;
-   ctx->ATIFragmentShader.Current->cur_pass = 0;
-   ctx->ATIFragmentShader.Current->last_optype = 0;
-   ctx->ATIFragmentShader.Current->interpinp1 = GL_FALSE;
-   ctx->ATIFragmentShader.Current->isValid = GL_FALSE;
-   ctx->ATIFragmentShader.Current->swizzlerq = 0;
-   ctx->ATIFragmentShader.Compiling = 1;
-}
-
-void GLAPIENTRY
-_mesa_EndFragmentShaderATI(void)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;
-#if MESA_DEBUG_ATI_FS
-   GLint i, j;
-#endif
-
-   if (!ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(outsideShader)");
-      return;
-   }
-   if (curProg->interpinp1 && (ctx->ATIFragmentShader.Current->cur_pass > 1)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(interpinfirstpass)");
-   /* according to spec, DON'T return here */
-   }
-
-   match_pair_inst(curProg, 0);
-   ctx->ATIFragmentShader.Compiling = 0;
-   ctx->ATIFragmentShader.Current->isValid = GL_TRUE;
-   if ((ctx->ATIFragmentShader.Current->cur_pass == 0) ||
-      (ctx->ATIFragmentShader.Current->cur_pass == 2)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(noarithinst)");
-   }
-   if (ctx->ATIFragmentShader.Current->cur_pass > 1)
-      ctx->ATIFragmentShader.Current->NumPasses = 2;
-   else
-      ctx->ATIFragmentShader.Current->NumPasses = 1;
-
-   ctx->ATIFragmentShader.Current->cur_pass = 0;
-
-#if MESA_DEBUG_ATI_FS
-   for (j = 0; j < MAX_NUM_PASSES_ATI; j++) {
-      for (i = 0; i < MAX_NUM_FRAGMENT_REGISTERS_ATI; i++) {
-	 GLuint op = curProg->SetupInst[j][i].Opcode;
-	 const char *op_enum = op > 5 ? _mesa_lookup_enum_by_nr(op) : "0";
-	 GLuint src = curProg->SetupInst[j][i].src;
-	 GLuint swizzle = curProg->SetupInst[j][i].swizzle;
-	 fprintf(stderr, "%2d %04X %s %d %04X\n", i, op, op_enum, src,
-	      swizzle);
-      }
-      for (i = 0; i < curProg->numArithInstr[j]; i++) {
-	 GLuint op0 = curProg->Instructions[j][i].Opcode[0];
-	 GLuint op1 = curProg->Instructions[j][i].Opcode[1];
-	 const char *op0_enum = op0 > 5 ? _mesa_lookup_enum_by_nr(op0) : "0";
-	 const char *op1_enum = op1 > 5 ? _mesa_lookup_enum_by_nr(op1) : "0";
-	 GLuint count0 = curProg->Instructions[j][i].ArgCount[0];
-	 GLuint count1 = curProg->Instructions[j][i].ArgCount[1];
-	 fprintf(stderr, "%2d %04X %s %d %04X %s %d\n", i, op0, op0_enum, count0,
-	      op1, op1_enum, count1);
-      }
-   }
-#endif
-
-   if (!ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_SHADER_ATI, NULL)) {
-      ctx->ATIFragmentShader.Current->isValid = GL_FALSE;
-      /* XXX is this the right error? */
-      _mesa_error(ctx, GL_INVALID_OPERATION,
-                  "glEndFragmentShaderATI(driver rejected shader)");
-   }
-}
-
-void GLAPIENTRY
-_mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;
-   struct atifs_setupinst *curI;
-
-   if (!ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(outsideShader)");
-      return;
-   }
-
-   if (curProg->cur_pass == 1) {
-      match_pair_inst(curProg, 0);
-      curProg->cur_pass = 2;
-   }
-   if ((curProg->cur_pass > 2) ||
-      ((1 << (dst - GL_REG_0_ATI)) & curProg->regsAssigned[curProg->cur_pass >> 1])) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoord(pass)");
-      return;
-   }
-   if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI) ||
-      ((dst - GL_REG_0_ATI) >= ctx->Const.MaxTextureUnits)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(dst)");
-      return;
-   }
-   if (((coord < GL_REG_0_ATI) || (coord > GL_REG_5_ATI)) &&
-       ((coord < GL_TEXTURE0_ARB) || (coord > GL_TEXTURE7_ARB) ||
-       ((coord - GL_TEXTURE0_ARB) >= ctx->Const.MaxTextureUnits))) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(coord)");
-      return;
-   }
-   if ((curProg->cur_pass == 0) && (coord >= GL_REG_0_ATI)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(coord)");
-      return;
-   }
-   if (!(swizzle >= GL_SWIZZLE_STR_ATI) && (swizzle <= GL_SWIZZLE_STQ_DQ_ATI)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(swizzle)");
-      return;
-   }
-   if ((swizzle & 1) && (coord >= GL_REG_0_ATI)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)");
-      return;
-   }
-   if (coord <= GL_TEXTURE7_ARB) {
-      GLuint tmp = coord - GL_TEXTURE0_ARB;
-      if ((((curProg->swizzlerq >> (tmp * 2)) & 3) != 0) &&
-	   (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (tmp * 2)) & 3))) {
-	 _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)");
-	 return;
-      } else {
-	 curProg->swizzlerq |= (((swizzle & 1) + 1) << (tmp * 2));
-      }
-   }
-
-   curProg->regsAssigned[curProg->cur_pass >> 1] |=  1 << (dst - GL_REG_0_ATI);
-   new_tex_inst(curProg);
-
-   /* add the instructions */
-   curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI];
-
-   curI->Opcode = ATI_FRAGMENT_SHADER_PASS_OP;
-   curI->src = coord;
-   curI->swizzle = swizzle;
-
-#if MESA_DEBUG_ATI_FS
-   _mesa_debug(ctx, "%s(%s, %s, %s)\n", __FUNCTION__,
-	       _mesa_lookup_enum_by_nr(dst), _mesa_lookup_enum_by_nr(coord),
-	       _mesa_lookup_enum_by_nr(swizzle));
-#endif
-}
-
-void GLAPIENTRY
-_mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;
-   struct atifs_setupinst *curI;
-
-   if (!ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(outsideShader)");
-      return;
-   }
-
-   if (curProg->cur_pass == 1) {
-      match_pair_inst(curProg, 0);
-      curProg->cur_pass = 2;
-   }
-   if ((curProg->cur_pass > 2) ||
-      ((1 << (dst - GL_REG_0_ATI)) & curProg->regsAssigned[curProg->cur_pass >> 1])) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(pass)");
-      return;
-   }
-   if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI) ||
-      ((dst - GL_REG_0_ATI) >= ctx->Const.MaxTextureUnits)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(dst)");
-      return;
-   }
-   if (((interp < GL_REG_0_ATI) || (interp > GL_REG_5_ATI)) &&
-       ((interp < GL_TEXTURE0_ARB) || (interp > GL_TEXTURE7_ARB) ||
-       ((interp - GL_TEXTURE0_ARB) >= ctx->Const.MaxTextureUnits))) {
-   /* is this texture5 or texture7? spec is a bit unclear there */
-      _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(interp)");
-      return;
-   }
-   if ((curProg->cur_pass == 0) && (interp >= GL_REG_0_ATI)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(interp)");
-      return;
-   }
-   if (!(swizzle >= GL_SWIZZLE_STR_ATI) && (swizzle <= GL_SWIZZLE_STQ_DQ_ATI)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(swizzle)");
-      return;
-   }
-   if ((swizzle & 1) && (interp >= GL_REG_0_ATI)) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)");
-      return;
-   }
-   if (interp <= GL_TEXTURE7_ARB) {
-      GLuint tmp = interp - GL_TEXTURE0_ARB;
-      if ((((curProg->swizzlerq >> (tmp * 2)) & 3) != 0) &&
-	   (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (tmp * 2)) & 3))) {
-	 _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)");
-	 return;
-      } else {
-	 curProg->swizzlerq |= (((swizzle & 1) + 1) << (tmp * 2));
-      }
-   }
-
-   curProg->regsAssigned[curProg->cur_pass >> 1] |=  1 << (dst - GL_REG_0_ATI);
-   new_tex_inst(curProg);
-
-   /* add the instructions */
-   curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI];
-
-   curI->Opcode = ATI_FRAGMENT_SHADER_SAMPLE_OP;
-   curI->src = interp;
-   curI->swizzle = swizzle;
-
-#if MESA_DEBUG_ATI_FS
-   _mesa_debug(ctx, "%s(%s, %s, %s)\n", __FUNCTION__,
-	       _mesa_lookup_enum_by_nr(dst), _mesa_lookup_enum_by_nr(interp),
-	       _mesa_lookup_enum_by_nr(swizzle));
-#endif
-}
-
-static void
-_mesa_FragmentOpXATI(GLint optype, GLuint arg_count, GLenum op, GLuint dst,
-		     GLuint dstMask, GLuint dstMod, GLuint arg1,
-		     GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
-		     GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
-		     GLuint arg3Rep, GLuint arg3Mod)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;
-   GLint ci;
-   struct atifs_instruction *curI;
-   GLuint modtemp = dstMod & ~GL_SATURATE_BIT_ATI;
-
-   if (!ctx->ATIFragmentShader.Compiling) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(outsideShader)");
-      return;
-   }
-
-   if (curProg->cur_pass==0)
-      curProg->cur_pass=1;
-
-   else if (curProg->cur_pass==2)
-      curProg->cur_pass=3;
-
-   /* decide whether this is a new instruction or not ... all color instructions are new,
-      and alpha instructions might also be new if there was no preceding color inst */
-   if ((optype == 0) || (curProg->last_optype == optype)) {
-      if (curProg->numArithInstr[curProg->cur_pass >> 1] > 7) {
-	 _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(instrCount)");
-	 return;
-      }
-      /* easier to do that here slight side effect invalid instr will still be inserted as nops */
-      match_pair_inst(curProg, optype);
-      new_arith_inst(curProg);
-   }
-   curProg->last_optype = optype;
-   ci = curProg->numArithInstr[curProg->cur_pass >> 1] - 1;
-
-   /* add the instructions */
-   curI = &curProg->Instructions[curProg->cur_pass >> 1][ci];
-
-   /* error checking */
-   if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(dst)");
-      return;
-   }
-   if ((modtemp != GL_NONE) && (modtemp != GL_2X_BIT_ATI) &&
-      (modtemp != GL_4X_BIT_ATI) && (modtemp != GL_8X_BIT_ATI) &&
-      (modtemp != GL_HALF_BIT_ATI) && !(modtemp != GL_QUARTER_BIT_ATI) &&
-      (modtemp != GL_EIGHTH_BIT_ATI)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(dstMod)%x", modtemp);
-      return;
-   }
-   /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */
-   if (((op < GL_ADD_ATI) || (op > GL_DOT2_ADD_ATI)) && !(op == GL_MOV_ATI)) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(op)");
-      return;
-   }
-   if (optype == 1) {
-      if (((op == GL_DOT2_ADD_ATI) && (curI->Opcode[0] != GL_DOT2_ADD_ATI)) ||
-	 ((op == GL_DOT3_ATI) && (curI->Opcode[0] != GL_DOT3_ATI)) ||
-	 ((op == GL_DOT4_ATI) && (curI->Opcode[0] != GL_DOT4_ATI)) ||
-	 ((op != GL_DOT4_ATI) && (curI->Opcode[0] == GL_DOT4_ATI))) {
-	 _mesa_error(ctx, GL_INVALID_OPERATION, "AFragmentOpATI(op)");
-	 return;
-      }
-   }
-   if ((op == GL_DOT4_ATI) &&
-      (((arg1 == GL_SECONDARY_INTERPOLATOR_ATI) && ((arg1Rep == GL_ALPHA) || (arg1Rep == GL_NONE))) ||
-      (((arg2 == GL_SECONDARY_INTERPOLATOR_ATI) && ((arg2Rep == GL_ALPHA) || (arg2Rep == GL_NONE)))))) {
-      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)");
-   }
-
-   if (!check_arith_arg(curProg, optype, arg1, arg1Rep)) {
-      return;
-   }
-   if (arg2) {
-      if (!check_arith_arg(curProg, optype, arg2, arg2Rep)) {
-	 return;
-      }
-   }
-   if (arg3) {
-      if (!check_arith_arg(curProg, optype, arg3, arg3Rep)) {
-	 return;
-      }
-      if ((arg1 >= GL_CON_0_ATI) && (arg1 <= GL_CON_7_ATI) &&
-	  (arg2 >= GL_CON_0_ATI) && (arg2 <= GL_CON_7_ATI) &&
-	  (arg3 >= GL_CON_0_ATI) && (arg3 <= GL_CON_7_ATI) &&
-	  (arg1 != arg2) && (arg1 != arg3) && (arg2 != arg3)) {
-	 _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(3Consts)");
-	 return;
-      }
-   }
-
-   /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */
-
-   curI->Opcode[optype] = op;
-   curI->SrcReg[optype][0].Index = arg1;
-   curI->SrcReg[optype][0].argRep = arg1Rep;
-   curI->SrcReg[optype][0].argMod = arg1Mod;
-   curI->ArgCount[optype] = arg_count;
-
-   if (arg2) {
-      curI->SrcReg[optype][1].Index = arg2;
-      curI->SrcReg[optype][1].argRep = arg2Rep;
-      curI->SrcReg[optype][1].argMod = arg2Mod;
-   }
-
-   if (arg3) {
-      curI->SrcReg[optype][2].Index = arg3;
-      curI->SrcReg[optype][2].argRep = arg3Rep;
-      curI->SrcReg[optype][2].argMod = arg3Mod;
-   }
-
-   curI->DstReg[optype].Index = dst;
-   curI->DstReg[optype].dstMod = dstMod;
-   curI->DstReg[optype].dstMask = dstMask;
-
-#if MESA_DEBUG_ATI_FS
-   debug_op(optype, arg_count, op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3, arg3Rep, arg3Mod);
-#endif
-
-}
-
-void GLAPIENTRY
-_mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,
-			  GLuint dstMod, GLuint arg1, GLuint arg1Rep,
-			  GLuint arg1Mod)
-{
-   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 1, op, dst, dstMask,
-			dstMod, arg1, arg1Rep, arg1Mod, 0, 0, 0, 0, 0, 0);
-}
-
-void GLAPIENTRY
-_mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask,
-			  GLuint dstMod, GLuint arg1, GLuint arg1Rep,
-			  GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
-			  GLuint arg2Mod)
-{
-   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 2, op, dst, dstMask,
-			dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep,
-			arg2Mod, 0, 0, 0);
-}
-
-void GLAPIENTRY
-_mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask,
-			  GLuint dstMod, GLuint arg1, GLuint arg1Rep,
-			  GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,
-			  GLuint arg2Mod, GLuint arg3, GLuint arg3Rep,
-			  GLuint arg3Mod)
-{
-   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 3, op, dst, dstMask,
-			dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep,
-			arg2Mod, arg3, arg3Rep, arg3Mod);
-}
-
-void GLAPIENTRY
-_mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
-			  GLuint arg1Rep, GLuint arg1Mod)
-{
-   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 1, op, dst, 0, dstMod,
-			arg1, arg1Rep, arg1Mod, 0, 0, 0, 0, 0, 0);
-}
-
-void GLAPIENTRY
-_mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
-			  GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
-			  GLuint arg2Rep, GLuint arg2Mod)
-{
-   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 2, op, dst, 0, dstMod,
-			arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, 0, 0,
-			0);
-}
-
-void GLAPIENTRY
-_mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,
-			  GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,
-			  GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,
-			  GLuint arg3Rep, GLuint arg3Mod)
-{
-   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 3, op, dst, 0, dstMod,
-			arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3,
-			arg3Rep, arg3Mod);
-}
-
-void GLAPIENTRY
-_mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value)
-{
-   GLuint dstindex;
-   GET_CURRENT_CONTEXT(ctx);
-
-   if ((dst < GL_CON_0_ATI) || (dst > GL_CON_7_ATI)) {
-      /* spec says nothing about what should happen here but we can't just segfault...*/
-      _mesa_error(ctx, GL_INVALID_ENUM, "glSetFragmentShaderConstantATI(dst)");
-      return;
-   }
-
-   dstindex = dst - GL_CON_0_ATI;
-   if (ctx->ATIFragmentShader.Compiling) {
-      struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;
-      COPY_4V(curProg->Constants[dstindex], value);
-      curProg->LocalConstDef |= 1 << dstindex;
-   }
-   else {
-      FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-      COPY_4V(ctx->ATIFragmentShader.GlobalConstants[dstindex], value);
-   }
-}
-
-#endif /* FEATURE_ATI_fragment_shader */
+/**

+ * \file atifragshader.c

+ * \author David Airlie

+ * Copyright (C) 2004  David Airlie   All Rights Reserved.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be included

+ * in all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

+ * DAVID AIRLIE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ */

+

+#include "main/glheader.h"

+#include "main/context.h"

+#include "main/hash.h"

+#include "main/imports.h"

+#include "main/macros.h"

+#include "main/enums.h"

+#include "main/mtypes.h"

+#include "main/dispatch.h"

+#include "main/atifragshader.h"

+

+#if FEATURE_ATI_fragment_shader

+

+#define MESA_DEBUG_ATI_FS 0

+

+static struct ati_fragment_shader DummyShader;

+

+

+void

+_mesa_init_ati_fragment_shader_dispatch(struct _glapi_table *disp)

+{

+   SET_GenFragmentShadersATI(disp, _mesa_GenFragmentShadersATI);

+   SET_BindFragmentShaderATI(disp, _mesa_BindFragmentShaderATI);

+   SET_DeleteFragmentShaderATI(disp, _mesa_DeleteFragmentShaderATI);

+   SET_BeginFragmentShaderATI(disp, _mesa_BeginFragmentShaderATI);

+   SET_EndFragmentShaderATI(disp, _mesa_EndFragmentShaderATI);

+   SET_PassTexCoordATI(disp, _mesa_PassTexCoordATI);

+   SET_SampleMapATI(disp, _mesa_SampleMapATI);

+   SET_ColorFragmentOp1ATI(disp, _mesa_ColorFragmentOp1ATI);

+   SET_ColorFragmentOp2ATI(disp, _mesa_ColorFragmentOp2ATI);

+   SET_ColorFragmentOp3ATI(disp, _mesa_ColorFragmentOp3ATI);

+   SET_AlphaFragmentOp1ATI(disp, _mesa_AlphaFragmentOp1ATI);

+   SET_AlphaFragmentOp2ATI(disp, _mesa_AlphaFragmentOp2ATI);

+   SET_AlphaFragmentOp3ATI(disp, _mesa_AlphaFragmentOp3ATI);

+   SET_SetFragmentShaderConstantATI(disp, _mesa_SetFragmentShaderConstantATI);

+}

+

+

+/**

+ * Allocate and initialize a new ATI fragment shader object.

+ */

+struct ati_fragment_shader *

+_mesa_new_ati_fragment_shader(struct gl_context *ctx, GLuint id)

+{

+   struct ati_fragment_shader *s = CALLOC_STRUCT(ati_fragment_shader);

+   (void) ctx;

+   if (s) {

+      s->Id = id;

+      s->RefCount = 1;

+   }

+   return s;

+}

+

+

+/**

+ * Delete the given ati fragment shader

+ */

+void

+_mesa_delete_ati_fragment_shader(struct gl_context *ctx, struct ati_fragment_shader *s)

+{

+   GLuint i;

+   for (i = 0; i < MAX_NUM_PASSES_ATI; i++) {

+      if (s->Instructions[i])

+         free(s->Instructions[i]);

+      if (s->SetupInst[i])

+         free(s->SetupInst[i]);

+   }

+   free(s);

+}

+

+

+

+static void

+new_arith_inst(struct ati_fragment_shader *prog)

+{

+/* set "default" instruction as not all may get defined.

+   there is no specified way to express a nop with ati fragment shaders we use

+   GL_NONE as the op enum and just set some params to 0 - so nothing to do here */

+   prog->numArithInstr[prog->cur_pass >> 1]++;

+}

+

+static void

+new_tex_inst(struct ati_fragment_shader *prog)

+{

+}

+

+static void match_pair_inst(struct ati_fragment_shader *curProg, GLuint optype)

+{

+   if (optype == curProg->last_optype) {

+      curProg->last_optype = 1;

+   }

+}

+

+#if MESA_DEBUG_ATI_FS

+static char *

+create_dst_mod_str(GLuint mod)

+{

+   static char ret_str[1024];

+

+   memset(ret_str, 0, 1024);

+   if (mod & GL_2X_BIT_ATI)

+      strncat(ret_str, "|2X", 1024);

+

+   if (mod & GL_4X_BIT_ATI)

+      strncat(ret_str, "|4X", 1024);

+

+   if (mod & GL_8X_BIT_ATI)

+      strncat(ret_str, "|8X", 1024);

+   if (mod & GL_HALF_BIT_ATI)

+      strncat(ret_str, "|HA", 1024);

+   if (mod & GL_QUARTER_BIT_ATI)

+      strncat(ret_str, "|QU", 1024);

+   if (mod & GL_EIGHTH_BIT_ATI)

+      strncat(ret_str, "|EI", 1024);

+

+   if (mod & GL_SATURATE_BIT_ATI)

+      strncat(ret_str, "|SAT", 1024);

+

+   if (strlen(ret_str) == 0)

+      strncat(ret_str, "NONE", 1024);

+   return ret_str;

+}

+

+static char *atifs_ops[] = {"ColorFragmentOp1ATI", "ColorFragmentOp2ATI", "ColorFragmentOp3ATI", 

+			    "AlphaFragmentOp1ATI", "AlphaFragmentOp2ATI", "AlphaFragmentOp3ATI" };

+

+static void debug_op(GLint optype, GLuint arg_count, GLenum op, GLuint dst,

+		     GLuint dstMask, GLuint dstMod, GLuint arg1,

+		     GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,

+		     GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,

+		     GLuint arg3Rep, GLuint arg3Mod)

+{

+  char *op_name;

+

+  op_name = atifs_ops[(arg_count-1)+(optype?3:0)];

+  

+  fprintf(stderr, "%s(%s, %s", op_name, _mesa_lookup_enum_by_nr(op),

+	      _mesa_lookup_enum_by_nr(dst));

+  if (!optype)

+    fprintf(stderr, ", %d", dstMask);

+  

+  fprintf(stderr, ", %s", create_dst_mod_str(dstMod));

+  

+  fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg1),

+	      _mesa_lookup_enum_by_nr(arg1Rep), arg1Mod);

+  if (arg_count>1)

+    fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg2),

+	      _mesa_lookup_enum_by_nr(arg2Rep), arg2Mod);

+  if (arg_count>2)

+    fprintf(stderr, ", %s, %s, %d", _mesa_lookup_enum_by_nr(arg3),

+	      _mesa_lookup_enum_by_nr(arg3Rep), arg3Mod);

+

+  fprintf(stderr,")\n");

+

+}

+#endif

+

+static int check_arith_arg(struct ati_fragment_shader *curProg,

+			GLuint optype, GLuint arg, GLuint argRep)

+{

+   GET_CURRENT_CONTEXT(ctx);

+

+   if (((arg < GL_CON_0_ATI) || (arg > GL_CON_7_ATI)) &&

+      ((arg < GL_REG_0_ATI) || (arg > GL_REG_5_ATI)) &&

+      (arg != GL_ZERO) && (arg != GL_ONE) &&

+      (arg != GL_PRIMARY_COLOR_ARB) && (arg != GL_SECONDARY_INTERPOLATOR_ATI)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(arg)");

+      return 0;

+   }

+   if ((arg == GL_SECONDARY_INTERPOLATOR_ATI) && (((optype == 0) && (argRep == GL_ALPHA)) ||

+      ((optype == 1) && ((arg == GL_ALPHA) || (argRep == GL_NONE))))) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)");

+      return 0;

+   }

+   if ((arg == GL_SECONDARY_INTERPOLATOR_ATI) && (((optype == 0) && (argRep == GL_ALPHA)) ||

+      ((optype == 1) && ((arg == GL_ALPHA) || (argRep == GL_NONE))))) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)");

+      return 0;

+   }

+   if ((curProg->cur_pass == 1) &&

+      ((arg == GL_PRIMARY_COLOR_ARB) || (arg == GL_SECONDARY_INTERPOLATOR_ATI))) {

+      curProg->interpinp1 = GL_TRUE;

+   }

+   return 1;

+}

+

+GLuint GLAPIENTRY

+_mesa_GenFragmentShadersATI(GLuint range)

+{

+   GLuint first;

+   GLuint i;

+   GET_CURRENT_CONTEXT(ctx);

+

+   if (range == 0) {

+      _mesa_error(ctx, GL_INVALID_VALUE, "glGenFragmentShadersATI(range)");

+      return 0;

+   }

+

+   if (ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glGenFragmentShadersATI(insideShader)");

+      return 0;

+   }

+

+   first = _mesa_HashFindFreeKeyBlock(ctx->Shared->ATIShaders, range);

+   for (i = 0; i < range; i++) {

+      _mesa_HashInsert(ctx->Shared->ATIShaders, first + i, &DummyShader);

+   }

+

+   return first;

+}

+

+void GLAPIENTRY

+_mesa_BindFragmentShaderATI(GLuint id)

+{

+   GET_CURRENT_CONTEXT(ctx);

+   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;

+   struct ati_fragment_shader *newProg;

+

+   if (ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFragmentShaderATI(insideShader)");

+      return;

+   }

+

+   FLUSH_VERTICES(ctx, _NEW_PROGRAM);

+

+   if (curProg->Id == id) {

+      return;

+   }

+

+   /* unbind current */

+   if (curProg->Id != 0) {

+      curProg->RefCount--;

+      if (curProg->RefCount <= 0) {

+	 _mesa_HashRemove(ctx->Shared->ATIShaders, id);

+      }

+   }

+

+   /* find new shader */

+   if (id == 0) {

+      newProg = ctx->Shared->DefaultFragmentShader;

+   }

+   else {

+      newProg = (struct ati_fragment_shader *)

+         _mesa_HashLookup(ctx->Shared->ATIShaders, id);

+      if (!newProg || newProg == &DummyShader) {

+	 /* allocate a new program now */

+	 newProg = _mesa_new_ati_fragment_shader(ctx, id);

+	 if (!newProg) {

+	    _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFragmentShaderATI");

+	    return;

+	 }

+	 _mesa_HashInsert(ctx->Shared->ATIShaders, id, newProg);

+      }

+

+   }

+

+   /* do actual bind */

+   ctx->ATIFragmentShader.Current = newProg;

+

+   ASSERT(ctx->ATIFragmentShader.Current);

+   if (newProg)

+      newProg->RefCount++;

+

+   /*if (ctx->Driver.BindProgram)

+      ctx->Driver.BindProgram(ctx, target, prog); */

+}

+

+void GLAPIENTRY

+_mesa_DeleteFragmentShaderATI(GLuint id)

+{

+   GET_CURRENT_CONTEXT(ctx);

+

+   if (ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteFragmentShaderATI(insideShader)");

+      return;

+   }

+

+   if (id != 0) {

+      struct ati_fragment_shader *prog = (struct ati_fragment_shader *)

+	 _mesa_HashLookup(ctx->Shared->ATIShaders, id);

+      if (prog == &DummyShader) {

+	 _mesa_HashRemove(ctx->Shared->ATIShaders, id);

+      }

+      else if (prog) {

+	 if (ctx->ATIFragmentShader.Current &&

+	     ctx->ATIFragmentShader.Current->Id == id) {

+	     FLUSH_VERTICES(ctx, _NEW_PROGRAM);

+	    _mesa_BindFragmentShaderATI(0);

+	 }

+      }

+

+      /* The ID is immediately available for re-use now */

+      _mesa_HashRemove(ctx->Shared->ATIShaders, id);

+      if (prog) {

+	 prog->RefCount--;

+	 if (prog->RefCount <= 0) {

+	    assert(prog != &DummyShader);

+	    free(prog);

+	 }

+      }

+   }

+}

+

+

+void GLAPIENTRY

+_mesa_BeginFragmentShaderATI(void)

+{

+   GLint i;

+   GET_CURRENT_CONTEXT(ctx);

+

+   if (ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginFragmentShaderATI(insideShader)");

+      return;

+   }

+

+   FLUSH_VERTICES(ctx, _NEW_PROGRAM);

+

+   /* if the shader was already defined free instructions and get new ones

+      (or, could use the same mem but would need to reinitialize) */

+   /* no idea if it's allowed to redefine a shader */

+   for (i = 0; i < MAX_NUM_PASSES_ATI; i++) {

+         if (ctx->ATIFragmentShader.Current->Instructions[i])

+            free(ctx->ATIFragmentShader.Current->Instructions[i]);

+         if (ctx->ATIFragmentShader.Current->SetupInst[i])

+            free(ctx->ATIFragmentShader.Current->SetupInst[i]);

+   }

+

+   /* malloc the instructions here - not sure if the best place but its

+      a start */

+   for (i = 0; i < MAX_NUM_PASSES_ATI; i++) {

+      ctx->ATIFragmentShader.Current->Instructions[i] =

+	 (struct atifs_instruction *)

+	 calloc(1, sizeof(struct atifs_instruction) *

+		   (MAX_NUM_INSTRUCTIONS_PER_PASS_ATI));

+      ctx->ATIFragmentShader.Current->SetupInst[i] =

+	 (struct atifs_setupinst *)

+	 calloc(1, sizeof(struct atifs_setupinst) *

+		   (MAX_NUM_FRAGMENT_REGISTERS_ATI));

+   }

+

+/* can't rely on calloc for initialization as it's possible to redefine a shader (?) */

+   ctx->ATIFragmentShader.Current->LocalConstDef = 0;

+   ctx->ATIFragmentShader.Current->numArithInstr[0] = 0;

+   ctx->ATIFragmentShader.Current->numArithInstr[1] = 0;

+   ctx->ATIFragmentShader.Current->regsAssigned[0] = 0;

+   ctx->ATIFragmentShader.Current->regsAssigned[1] = 0;

+   ctx->ATIFragmentShader.Current->NumPasses = 0;

+   ctx->ATIFragmentShader.Current->cur_pass = 0;

+   ctx->ATIFragmentShader.Current->last_optype = 0;

+   ctx->ATIFragmentShader.Current->interpinp1 = GL_FALSE;

+   ctx->ATIFragmentShader.Current->isValid = GL_FALSE;

+   ctx->ATIFragmentShader.Current->swizzlerq = 0;

+   ctx->ATIFragmentShader.Compiling = 1;

+}

+

+void GLAPIENTRY

+_mesa_EndFragmentShaderATI(void)

+{

+   GET_CURRENT_CONTEXT(ctx);

+   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;

+#if MESA_DEBUG_ATI_FS

+   GLint i, j;

+#endif

+

+   if (!ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(outsideShader)");

+      return;

+   }

+   if (curProg->interpinp1 && (ctx->ATIFragmentShader.Current->cur_pass > 1)) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(interpinfirstpass)");

+   /* according to spec, DON'T return here */

+   }

+

+   match_pair_inst(curProg, 0);

+   ctx->ATIFragmentShader.Compiling = 0;

+   ctx->ATIFragmentShader.Current->isValid = GL_TRUE;

+   if ((ctx->ATIFragmentShader.Current->cur_pass == 0) ||

+      (ctx->ATIFragmentShader.Current->cur_pass == 2)) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glEndFragmentShaderATI(noarithinst)");

+   }

+   if (ctx->ATIFragmentShader.Current->cur_pass > 1)

+      ctx->ATIFragmentShader.Current->NumPasses = 2;

+   else

+      ctx->ATIFragmentShader.Current->NumPasses = 1;

+

+   ctx->ATIFragmentShader.Current->cur_pass = 0;

+

+#if MESA_DEBUG_ATI_FS

+   for (j = 0; j < MAX_NUM_PASSES_ATI; j++) {

+      for (i = 0; i < MAX_NUM_FRAGMENT_REGISTERS_ATI; i++) {

+	 GLuint op = curProg->SetupInst[j][i].Opcode;

+	 const char *op_enum = op > 5 ? _mesa_lookup_enum_by_nr(op) : "0";

+	 GLuint src = curProg->SetupInst[j][i].src;

+	 GLuint swizzle = curProg->SetupInst[j][i].swizzle;

+	 fprintf(stderr, "%2d %04X %s %d %04X\n", i, op, op_enum, src,

+	      swizzle);

+      }

+      for (i = 0; i < curProg->numArithInstr[j]; i++) {

+	 GLuint op0 = curProg->Instructions[j][i].Opcode[0];

+	 GLuint op1 = curProg->Instructions[j][i].Opcode[1];

+	 const char *op0_enum = op0 > 5 ? _mesa_lookup_enum_by_nr(op0) : "0";

+	 const char *op1_enum = op1 > 5 ? _mesa_lookup_enum_by_nr(op1) : "0";

+	 GLuint count0 = curProg->Instructions[j][i].ArgCount[0];

+	 GLuint count1 = curProg->Instructions[j][i].ArgCount[1];

+	 fprintf(stderr, "%2d %04X %s %d %04X %s %d\n", i, op0, op0_enum, count0,

+	      op1, op1_enum, count1);

+      }

+   }

+#endif

+

+   if (!ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_SHADER_ATI, NULL)) {

+      ctx->ATIFragmentShader.Current->isValid = GL_FALSE;

+      /* XXX is this the right error? */

+      _mesa_error(ctx, GL_INVALID_OPERATION,

+                  "glEndFragmentShaderATI(driver rejected shader)");

+   }

+}

+

+void GLAPIENTRY

+_mesa_PassTexCoordATI(GLuint dst, GLuint coord, GLenum swizzle)

+{

+   GET_CURRENT_CONTEXT(ctx);

+   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;

+   struct atifs_setupinst *curI;

+

+   if (!ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(outsideShader)");

+      return;

+   }

+

+   if (curProg->cur_pass == 1) {

+      match_pair_inst(curProg, 0);

+      curProg->cur_pass = 2;

+   }

+   if ((curProg->cur_pass > 2) ||

+      ((1 << (dst - GL_REG_0_ATI)) & curProg->regsAssigned[curProg->cur_pass >> 1])) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoord(pass)");

+      return;

+   }

+   if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI) ||

+      ((dst - GL_REG_0_ATI) >= ctx->Const.MaxTextureUnits)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(dst)");

+      return;

+   }

+   if (((coord < GL_REG_0_ATI) || (coord > GL_REG_5_ATI)) &&

+       ((coord < GL_TEXTURE0_ARB) || (coord > GL_TEXTURE7_ARB) ||

+       ((coord - GL_TEXTURE0_ARB) >= ctx->Const.MaxTextureUnits))) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(coord)");

+      return;

+   }

+   if ((curProg->cur_pass == 0) && (coord >= GL_REG_0_ATI)) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(coord)");

+      return;

+   }

+   if (!(swizzle >= GL_SWIZZLE_STR_ATI) && (swizzle <= GL_SWIZZLE_STQ_DQ_ATI)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glPassTexCoordATI(swizzle)");

+      return;

+   }

+   if ((swizzle & 1) && (coord >= GL_REG_0_ATI)) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)");

+      return;

+   }

+   if (coord <= GL_TEXTURE7_ARB) {

+      GLuint tmp = coord - GL_TEXTURE0_ARB;

+      if ((((curProg->swizzlerq >> (tmp * 2)) & 3) != 0) &&

+	   (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (tmp * 2)) & 3))) {

+	 _mesa_error(ctx, GL_INVALID_OPERATION, "glPassTexCoordATI(swizzle)");

+	 return;

+      } else {

+	 curProg->swizzlerq |= (((swizzle & 1) + 1) << (tmp * 2));

+      }

+   }

+

+   curProg->regsAssigned[curProg->cur_pass >> 1] |=  1 << (dst - GL_REG_0_ATI);

+   new_tex_inst(curProg);

+

+   /* add the instructions */

+   curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI];

+

+   curI->Opcode = ATI_FRAGMENT_SHADER_PASS_OP;

+   curI->src = coord;

+   curI->swizzle = swizzle;

+

+#if MESA_DEBUG_ATI_FS

+   _mesa_debug(ctx, "%s(%s, %s, %s)\n", __FUNCTION__,

+	       _mesa_lookup_enum_by_nr(dst), _mesa_lookup_enum_by_nr(coord),

+	       _mesa_lookup_enum_by_nr(swizzle));

+#endif

+}

+

+void GLAPIENTRY

+_mesa_SampleMapATI(GLuint dst, GLuint interp, GLenum swizzle)

+{

+   GET_CURRENT_CONTEXT(ctx);

+   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;

+   struct atifs_setupinst *curI;

+

+   if (!ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(outsideShader)");

+      return;

+   }

+

+   if (curProg->cur_pass == 1) {

+      match_pair_inst(curProg, 0);

+      curProg->cur_pass = 2;

+   }

+   if ((curProg->cur_pass > 2) ||

+      ((1 << (dst - GL_REG_0_ATI)) & curProg->regsAssigned[curProg->cur_pass >> 1])) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(pass)");

+      return;

+   }

+   if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI) ||

+      ((dst - GL_REG_0_ATI) >= ctx->Const.MaxTextureUnits)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(dst)");

+      return;

+   }

+   if (((interp < GL_REG_0_ATI) || (interp > GL_REG_5_ATI)) &&

+       ((interp < GL_TEXTURE0_ARB) || (interp > GL_TEXTURE7_ARB) ||

+       ((interp - GL_TEXTURE0_ARB) >= ctx->Const.MaxTextureUnits))) {

+   /* is this texture5 or texture7? spec is a bit unclear there */

+      _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(interp)");

+      return;

+   }

+   if ((curProg->cur_pass == 0) && (interp >= GL_REG_0_ATI)) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(interp)");

+      return;

+   }

+   if (!(swizzle >= GL_SWIZZLE_STR_ATI) && (swizzle <= GL_SWIZZLE_STQ_DQ_ATI)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "glSampleMapATI(swizzle)");

+      return;

+   }

+   if ((swizzle & 1) && (interp >= GL_REG_0_ATI)) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)");

+      return;

+   }

+   if (interp <= GL_TEXTURE7_ARB) {

+      GLuint tmp = interp - GL_TEXTURE0_ARB;

+      if ((((curProg->swizzlerq >> (tmp * 2)) & 3) != 0) &&

+	   (((swizzle & 1) + 1) != ((curProg->swizzlerq >> (tmp * 2)) & 3))) {

+	 _mesa_error(ctx, GL_INVALID_OPERATION, "glSampleMapATI(swizzle)");

+	 return;

+      } else {

+	 curProg->swizzlerq |= (((swizzle & 1) + 1) << (tmp * 2));

+      }

+   }

+

+   curProg->regsAssigned[curProg->cur_pass >> 1] |=  1 << (dst - GL_REG_0_ATI);

+   new_tex_inst(curProg);

+

+   /* add the instructions */

+   curI = &curProg->SetupInst[curProg->cur_pass >> 1][dst - GL_REG_0_ATI];

+

+   curI->Opcode = ATI_FRAGMENT_SHADER_SAMPLE_OP;

+   curI->src = interp;

+   curI->swizzle = swizzle;

+

+#if MESA_DEBUG_ATI_FS

+   _mesa_debug(ctx, "%s(%s, %s, %s)\n", __FUNCTION__,

+	       _mesa_lookup_enum_by_nr(dst), _mesa_lookup_enum_by_nr(interp),

+	       _mesa_lookup_enum_by_nr(swizzle));

+#endif

+}

+

+static void

+_mesa_FragmentOpXATI(GLint optype, GLuint arg_count, GLenum op, GLuint dst,

+		     GLuint dstMask, GLuint dstMod, GLuint arg1,

+		     GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,

+		     GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,

+		     GLuint arg3Rep, GLuint arg3Mod)

+{

+   GET_CURRENT_CONTEXT(ctx);

+   struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;

+   GLint ci;

+   struct atifs_instruction *curI;

+   GLuint modtemp = dstMod & ~GL_SATURATE_BIT_ATI;

+

+   if (!ctx->ATIFragmentShader.Compiling) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(outsideShader)");

+      return;

+   }

+

+   if (curProg->cur_pass==0)

+      curProg->cur_pass=1;

+

+   else if (curProg->cur_pass==2)

+      curProg->cur_pass=3;

+

+   /* decide whether this is a new instruction or not ... all color instructions are new,

+      and alpha instructions might also be new if there was no preceding color inst */

+   if ((optype == 0) || (curProg->last_optype == optype)) {

+      if (curProg->numArithInstr[curProg->cur_pass >> 1] > 7) {

+	 _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(instrCount)");

+	 return;

+      }

+      /* easier to do that here slight side effect invalid instr will still be inserted as nops */

+      match_pair_inst(curProg, optype);

+      new_arith_inst(curProg);

+   }

+   curProg->last_optype = optype;

+   ci = curProg->numArithInstr[curProg->cur_pass >> 1] - 1;

+

+   /* add the instructions */

+   curI = &curProg->Instructions[curProg->cur_pass >> 1][ci];

+

+   /* error checking */

+   if ((dst < GL_REG_0_ATI) || (dst > GL_REG_5_ATI)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(dst)");

+      return;

+   }

+   if ((modtemp != GL_NONE) && (modtemp != GL_2X_BIT_ATI) &&

+      (modtemp != GL_4X_BIT_ATI) && (modtemp != GL_8X_BIT_ATI) &&

+      (modtemp != GL_HALF_BIT_ATI) && !(modtemp != GL_QUARTER_BIT_ATI) &&

+      (modtemp != GL_EIGHTH_BIT_ATI)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(dstMod)%x", modtemp);

+      return;

+   }

+   /* op checking? Actually looks like that's missing in the spec but we'll do it anyway */

+   if (((op < GL_ADD_ATI) || (op > GL_DOT2_ADD_ATI)) && !(op == GL_MOV_ATI)) {

+      _mesa_error(ctx, GL_INVALID_ENUM, "C/AFragmentOpATI(op)");

+      return;

+   }

+   if (optype == 1) {

+      if (((op == GL_DOT2_ADD_ATI) && (curI->Opcode[0] != GL_DOT2_ADD_ATI)) ||

+	 ((op == GL_DOT3_ATI) && (curI->Opcode[0] != GL_DOT3_ATI)) ||

+	 ((op == GL_DOT4_ATI) && (curI->Opcode[0] != GL_DOT4_ATI)) ||

+	 ((op != GL_DOT4_ATI) && (curI->Opcode[0] == GL_DOT4_ATI))) {

+	 _mesa_error(ctx, GL_INVALID_OPERATION, "AFragmentOpATI(op)");

+	 return;

+      }

+   }

+   if ((op == GL_DOT4_ATI) &&

+      (((arg1 == GL_SECONDARY_INTERPOLATOR_ATI) && ((arg1Rep == GL_ALPHA) || (arg1Rep == GL_NONE))) ||

+      (((arg2 == GL_SECONDARY_INTERPOLATOR_ATI) && ((arg2Rep == GL_ALPHA) || (arg2Rep == GL_NONE)))))) {

+      _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(sec_interp)");

+   }

+

+   if (!check_arith_arg(curProg, optype, arg1, arg1Rep)) {

+      return;

+   }

+   if (arg2) {

+      if (!check_arith_arg(curProg, optype, arg2, arg2Rep)) {

+	 return;

+      }

+   }

+   if (arg3) {

+      if (!check_arith_arg(curProg, optype, arg3, arg3Rep)) {

+	 return;

+      }

+      if ((arg1 >= GL_CON_0_ATI) && (arg1 <= GL_CON_7_ATI) &&

+	  (arg2 >= GL_CON_0_ATI) && (arg2 <= GL_CON_7_ATI) &&

+	  (arg3 >= GL_CON_0_ATI) && (arg3 <= GL_CON_7_ATI) &&

+	  (arg1 != arg2) && (arg1 != arg3) && (arg2 != arg3)) {

+	 _mesa_error(ctx, GL_INVALID_OPERATION, "C/AFragmentOpATI(3Consts)");

+	 return;

+      }

+   }

+

+   /* all ok - not all fully validated though (e.g. argNMod - spec doesn't say anything) */

+

+   curI->Opcode[optype] = op;

+   curI->SrcReg[optype][0].Index = arg1;

+   curI->SrcReg[optype][0].argRep = arg1Rep;

+   curI->SrcReg[optype][0].argMod = arg1Mod;

+   curI->ArgCount[optype] = arg_count;

+

+   if (arg2) {

+      curI->SrcReg[optype][1].Index = arg2;

+      curI->SrcReg[optype][1].argRep = arg2Rep;

+      curI->SrcReg[optype][1].argMod = arg2Mod;

+   }

+

+   if (arg3) {

+      curI->SrcReg[optype][2].Index = arg3;

+      curI->SrcReg[optype][2].argRep = arg3Rep;

+      curI->SrcReg[optype][2].argMod = arg3Mod;

+   }

+

+   curI->DstReg[optype].Index = dst;

+   curI->DstReg[optype].dstMod = dstMod;

+   curI->DstReg[optype].dstMask = dstMask;

+

+#if MESA_DEBUG_ATI_FS

+   debug_op(optype, arg_count, op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3, arg3Rep, arg3Mod);

+#endif

+

+}

+

+void GLAPIENTRY

+_mesa_ColorFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMask,

+			  GLuint dstMod, GLuint arg1, GLuint arg1Rep,

+			  GLuint arg1Mod)

+{

+   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 1, op, dst, dstMask,

+			dstMod, arg1, arg1Rep, arg1Mod, 0, 0, 0, 0, 0, 0);

+}

+

+void GLAPIENTRY

+_mesa_ColorFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMask,

+			  GLuint dstMod, GLuint arg1, GLuint arg1Rep,

+			  GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,

+			  GLuint arg2Mod)

+{

+   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 2, op, dst, dstMask,

+			dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep,

+			arg2Mod, 0, 0, 0);

+}

+

+void GLAPIENTRY

+_mesa_ColorFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMask,

+			  GLuint dstMod, GLuint arg1, GLuint arg1Rep,

+			  GLuint arg1Mod, GLuint arg2, GLuint arg2Rep,

+			  GLuint arg2Mod, GLuint arg3, GLuint arg3Rep,

+			  GLuint arg3Mod)

+{

+   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_COLOR_OP, 3, op, dst, dstMask,

+			dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep,

+			arg2Mod, arg3, arg3Rep, arg3Mod);

+}

+

+void GLAPIENTRY

+_mesa_AlphaFragmentOp1ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,

+			  GLuint arg1Rep, GLuint arg1Mod)

+{

+   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 1, op, dst, 0, dstMod,

+			arg1, arg1Rep, arg1Mod, 0, 0, 0, 0, 0, 0);

+}

+

+void GLAPIENTRY

+_mesa_AlphaFragmentOp2ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,

+			  GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,

+			  GLuint arg2Rep, GLuint arg2Mod)

+{

+   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 2, op, dst, 0, dstMod,

+			arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, 0, 0,

+			0);

+}

+

+void GLAPIENTRY

+_mesa_AlphaFragmentOp3ATI(GLenum op, GLuint dst, GLuint dstMod, GLuint arg1,

+			  GLuint arg1Rep, GLuint arg1Mod, GLuint arg2,

+			  GLuint arg2Rep, GLuint arg2Mod, GLuint arg3,

+			  GLuint arg3Rep, GLuint arg3Mod)

+{

+   _mesa_FragmentOpXATI(ATI_FRAGMENT_SHADER_ALPHA_OP, 3, op, dst, 0, dstMod,

+			arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod, arg3,

+			arg3Rep, arg3Mod);

+}

+

+void GLAPIENTRY

+_mesa_SetFragmentShaderConstantATI(GLuint dst, const GLfloat * value)

+{

+   GLuint dstindex;

+   GET_CURRENT_CONTEXT(ctx);

+

+   if ((dst < GL_CON_0_ATI) || (dst > GL_CON_7_ATI)) {

+      /* spec says nothing about what should happen here but we can't just segfault...*/

+      _mesa_error(ctx, GL_INVALID_ENUM, "glSetFragmentShaderConstantATI(dst)");

+      return;

+   }

+

+   dstindex = dst - GL_CON_0_ATI;

+   if (ctx->ATIFragmentShader.Compiling) {

+      struct ati_fragment_shader *curProg = ctx->ATIFragmentShader.Current;

+      COPY_4V(curProg->Constants[dstindex], value);

+      curProg->LocalConstDef |= 1 << dstindex;

+   }

+   else {

+      FLUSH_VERTICES(ctx, _NEW_PROGRAM);

+      COPY_4V(ctx->ATIFragmentShader.GlobalConstants[dstindex], value);

+   }

+}

+

+#endif /* FEATURE_ATI_fragment_shader */