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Diffstat (limited to 'mesalib/src/mesa/main/atifragshader.c')
-rw-r--r--mesalib/src/mesa/main/atifragshader.c794
1 files changed, 794 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/atifragshader.c b/mesalib/src/mesa/main/atifragshader.c
new file mode 100644
index 000000000..550f50b7a
--- /dev/null
+++ b/mesalib/src/mesa/main/atifragshader.c
@@ -0,0 +1,794 @@
+/**
+ * \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 */