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-rw-r--r--nx-X11/extras/Mesa/src/mesa/swrast/s_atifragshader.c625
1 files changed, 0 insertions, 625 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_atifragshader.c b/nx-X11/extras/Mesa/src/mesa/swrast/s_atifragshader.c
deleted file mode 100644
index d137b17d2..000000000
--- a/nx-X11/extras/Mesa/src/mesa/swrast/s_atifragshader.c
+++ /dev/null
@@ -1,625 +0,0 @@
-/*
- *
- * 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 "glheader.h"
-#include "colormac.h"
-#include "context.h"
-#include "atifragshader.h"
-#include "macros.h"
-#include "program.h"
-
-#include "s_atifragshader.h"
-#include "s_nvfragprog.h"
-#include "s_span.h"
-#include "s_texture.h"
-
-/**
- * Fetch a texel.
- */
-static void
-fetch_texel(GLcontext * ctx, const GLfloat texcoord[4], GLfloat lambda,
- GLuint unit, GLfloat color[4])
-{
- GLchan rgba[4];
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- /* XXX use a float-valued TextureSample routine here!!! */
- swrast->TextureSample[unit] (ctx, unit, ctx->Texture.Unit[unit]._Current,
- 1, (const GLfloat(*)[4]) texcoord,
- &lambda, &rgba);
- color[0] = CHAN_TO_FLOAT(rgba[0]);
- color[1] = CHAN_TO_FLOAT(rgba[1]);
- color[2] = CHAN_TO_FLOAT(rgba[2]);
- color[3] = CHAN_TO_FLOAT(rgba[3]);
-}
-
-static void
-apply_swizzle(struct atifs_machine *machine, GLuint reg, GLuint swizzle)
-{
- GLfloat s, t, r, q;
-
- s = machine->Registers[reg][0];
- t = machine->Registers[reg][1];
- r = machine->Registers[reg][2];
- q = machine->Registers[reg][3];
-
- switch (swizzle) {
- case GL_SWIZZLE_STR_ATI:
- machine->Registers[reg][0] = s;
- machine->Registers[reg][1] = t;
- machine->Registers[reg][2] = r;
- break;
- case GL_SWIZZLE_STQ_ATI:
- machine->Registers[reg][0] = s;
- machine->Registers[reg][1] = t;
- machine->Registers[reg][2] = q;
- break;
- case GL_SWIZZLE_STR_DR_ATI:
- machine->Registers[reg][0] = s / r;
- machine->Registers[reg][1] = t / r;
- machine->Registers[reg][2] = 1 / r;
- break;
- case GL_SWIZZLE_STQ_DQ_ATI:
- machine->Registers[reg][0] = s / q;
- machine->Registers[reg][1] = t / q;
- machine->Registers[reg][2] = 1 / q;
- break;
- }
- machine->Registers[reg][3] = 0.0;
-}
-
-static void
-apply_src_rep(GLint optype, GLuint rep, GLfloat * val)
-{
- GLint i;
- GLint start, end;
- if (!rep)
- return;
-
- start = optype ? 3 : 0;
- end = optype ? 4 : 3;
-
- for (i = start; i < end; i++) {
- switch (rep) {
- case GL_RED:
- val[i] = val[0];
- break;
- case GL_GREEN:
- val[i] = val[1];
- break;
- case GL_BLUE:
- val[i] = val[2];
- break;
- case GL_ALPHA:
- val[i] = val[3];
- break;
- }
- }
-}
-
-static void
-apply_src_mod(GLint optype, GLuint mod, GLfloat * val)
-{
- GLint i;
- GLint start, end;
-
- if (!mod)
- return;
-
- start = optype ? 3 : 0;
- end = optype ? 4 : 3;
-
- for (i = start; i < end; i++) {
- if (mod & GL_COMP_BIT_ATI)
- val[i] = 1 - val[i];
-
- if (mod & GL_BIAS_BIT_ATI)
- val[i] = val[i] - 0.5;
-
- if (mod & GL_2X_BIT_ATI)
- val[i] = 2 * val[i];
-
- if (mod & GL_NEGATE_BIT_ATI)
- val[i] = -val[i];
- }
-}
-
-static void
-apply_dst_mod(GLuint optype, GLuint mod, GLfloat * val)
-{
- GLint i;
- GLint has_sat = mod & GL_SATURATE_BIT_ATI;
- GLint start, end;
-
- mod &= ~GL_SATURATE_BIT_ATI;
-
- start = optype ? 3 : 0;
- end = optype ? 4 : 3;
-
- for (i = start; i < end; i++) {
- switch (mod) {
- case GL_2X_BIT_ATI:
- val[i] = 2 * val[i];
- break;
- case GL_4X_BIT_ATI:
- val[i] = 4 * val[i];
- break;
- case GL_8X_BIT_ATI:
- val[i] = 8 * val[i];
- break;
- case GL_HALF_BIT_ATI:
- val[i] = val[i] * 0.5;
- break;
- case GL_QUARTER_BIT_ATI:
- val[i] = val[i] * 0.25;
- break;
- case GL_EIGHTH_BIT_ATI:
- val[i] = val[i] * 0.125;
- break;
- }
-
- if (has_sat) {
- if (val[i] < 0.0)
- val[i] = 0;
- else if (val[i] > 1.0)
- val[i] = 1.0;
- }
- else {
- if (val[i] < -8.0)
- val[i] = -8.0;
- else if (val[i] > 8.0)
- val[i] = 8.0;
- }
- }
-}
-
-
-static void
-write_dst_addr(GLuint optype, GLuint mod, GLuint mask, GLfloat * src,
- GLfloat * dst)
-{
- GLint i;
- apply_dst_mod(optype, mod, src);
-
- if (optype == ATI_FRAGMENT_SHADER_COLOR_OP) {
- if (mask) {
- if (mask & GL_RED_BIT_ATI)
- dst[0] = src[0];
-
- if (mask & GL_GREEN_BIT_ATI)
- dst[1] = src[1];
-
- if (mask & GL_BLUE_BIT_ATI)
- dst[2] = src[2];
- }
- else {
- for (i = 0; i < 3; i++)
- dst[i] = src[i];
- }
- }
- else
- dst[3] = src[3];
-}
-
-static void
-finish_pass(struct atifs_machine *machine)
-{
- GLint i;
-
- for (i = 0; i < 6; i++) {
- COPY_4V(machine->PrevPassRegisters[i], machine->Registers[i]);
- }
-}
-
-/**
- * Execute the given fragment shader
- * NOTE: we do everything in single-precision floating point; we don't
- * currently observe the single/half/fixed-precision qualifiers.
- * \param ctx - rendering context
- * \param program - the fragment program to execute
- * \param machine - machine state (register file)
- * \param maxInst - max number of instructions to execute
- * \return GL_TRUE if program completed or GL_FALSE if program executed KIL.
- */
-
-struct ati_fs_opcode_st ati_fs_opcodes[] = {
- {GL_ADD_ATI, 2},
- {GL_SUB_ATI, 2},
- {GL_MUL_ATI, 2},
- {GL_MAD_ATI, 3},
- {GL_LERP_ATI, 3},
- {GL_MOV_ATI, 1},
- {GL_CND_ATI, 3},
- {GL_CND0_ATI, 3},
- {GL_DOT2_ADD_ATI, 3},
- {GL_DOT3_ATI, 2},
- {GL_DOT4_ATI, 2}
-};
-
-
-
-static void
-handle_pass_op(struct atifs_machine *machine, struct atifs_instruction *inst,
- const struct sw_span *span, GLuint column)
-{
- GLuint idx = inst->DstReg[0].Index - GL_REG_0_ATI;
- GLuint swizzle = inst->DstReg[0].Swizzle;
- GLuint pass_tex = inst->SrcReg[0][0].Index;
-
- /* if we get here after passing pass one then we are starting pass two - backup the registers */
- if (machine->pass == 1) {
- finish_pass(machine);
- machine->pass = 2;
- }
- if (pass_tex >= GL_TEXTURE0_ARB && pass_tex <= GL_TEXTURE7_ARB) {
- pass_tex -= GL_TEXTURE0_ARB;
- COPY_4V(machine->Registers[idx],
- span->array->texcoords[pass_tex][column]);
- }
- else if (pass_tex >= GL_REG_0_ATI && pass_tex <= GL_REG_5_ATI
- && machine->pass == 2) {
- pass_tex -= GL_REG_0_ATI;
- COPY_4V(machine->Registers[idx], machine->PrevPassRegisters[pass_tex]);
- }
- apply_swizzle(machine, idx, swizzle);
-
-}
-
-static void
-handle_sample_op(GLcontext * ctx, struct atifs_machine *machine,
- struct atifs_instruction *inst, const struct sw_span *span,
- GLuint column)
-{
- GLuint idx = inst->DstReg[0].Index - GL_REG_0_ATI;
- GLuint swizzle = inst->DstReg[0].Swizzle;
- GLuint sample_tex = inst->SrcReg[0][0].Index;
-
- /* if we get here after passing pass one then we are starting pass two - backup the registers */
- if (machine->pass == 1) {
- finish_pass(machine);
- machine->pass = 2;
- }
-
- if (sample_tex >= GL_TEXTURE0_ARB && sample_tex <= GL_TEXTURE7_ARB) {
- sample_tex -= GL_TEXTURE0_ARB;
- fetch_texel(ctx, span->array->texcoords[sample_tex][column], 0.0F,
- sample_tex, machine->Registers[idx]);
- }
- else if (sample_tex >= GL_REG_0_ATI && sample_tex <= GL_REG_5_ATI) {
- /* this is wrong... */
- sample_tex -= GL_REG_0_ATI;
- fetch_texel(ctx, machine->Registers[sample_tex], 0, sample_tex,
- machine->Registers[idx]);
- }
-
- apply_swizzle(machine, idx, swizzle);
-}
-
-#define SETUP_SRC_REG(optype, i, x) do { \
- if (optype) \
- src[optype][i][3] = x[3]; \
- else \
- COPY_3V(src[optype][i], x); \
- } while (0)
-
-static GLboolean
-execute_shader(GLcontext * ctx,
- const struct ati_fragment_shader *shader, GLuint maxInst,
- struct atifs_machine *machine, const struct sw_span *span,
- GLuint column)
-{
- GLuint pc;
- struct atifs_instruction *inst;
- GLint optype;
- GLint i;
- GLint dstreg;
- GLfloat src[2][3][4];
- GLfloat zeros[4] = { 0.0, 0.0, 0.0, 0.0 };
- GLfloat ones[4] = { 1.0, 1.0, 1.0, 1.0 };
- GLfloat dst[2][4], *dstp;
-
- for (pc = 0; pc < shader->Base.NumInstructions; pc++) {
- inst = &shader->Instructions[pc];
-
- if (inst->Opcode[0] == ATI_FRAGMENT_SHADER_PASS_OP)
- handle_pass_op(machine, inst, span, column);
- else if (inst->Opcode[0] == ATI_FRAGMENT_SHADER_SAMPLE_OP)
- handle_sample_op(ctx, machine, inst, span, column);
- else {
- if (machine->pass == 0)
- machine->pass = 1;
-
- /* setup the source registers for color and alpha ops */
- for (optype = 0; optype < 2; optype++) {
- for (i = 0; i < inst->ArgCount[optype]; i++) {
- GLint index = inst->SrcReg[optype][i].Index;
-
- if (index >= GL_REG_0_ATI && index <= GL_REG_5_ATI)
- SETUP_SRC_REG(optype, i,
- machine->Registers[index - GL_REG_0_ATI]);
- else if (index >= GL_CON_0_ATI && index <= GL_CON_7_ATI)
- SETUP_SRC_REG(optype, i,
- shader->Constants[index - GL_CON_0_ATI]);
- else if (index == GL_ONE)
- SETUP_SRC_REG(optype, i, ones);
- else if (index == GL_ZERO)
- SETUP_SRC_REG(optype, i, zeros);
- else if (index == GL_PRIMARY_COLOR_EXT)
- SETUP_SRC_REG(optype, i,
- machine->Inputs[ATI_FS_INPUT_PRIMARY]);
- else if (index == GL_SECONDARY_INTERPOLATOR_ATI)
- SETUP_SRC_REG(optype, i,
- machine->Inputs[ATI_FS_INPUT_SECONDARY]);
-
- apply_src_rep(optype, inst->SrcReg[optype][i].argRep,
- src[optype][i]);
- apply_src_mod(optype, inst->SrcReg[optype][i].argMod,
- src[optype][i]);
- }
- }
-
- /* Execute the operations - color then alpha */
- for (optype = 0; optype < 2; optype++) {
- if (inst->Opcode[optype]) {
- switch (inst->Opcode[optype]) {
- case GL_ADD_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- src[optype][0][i] + src[optype][1][i];
- }
- else
- dst[optype][3] = src[optype][0][3] + src[optype][1][3];
- break;
- case GL_SUB_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- src[optype][0][i] - src[optype][1][i];
- }
- else
- dst[optype][3] = src[optype][0][3] - src[optype][1][3];
- break;
- case GL_MUL_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- src[optype][0][i] * src[optype][1][i];
- }
- else
- dst[optype][3] = src[optype][0][3] * src[optype][1][3];
- break;
- case GL_MAD_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- src[optype][0][i] * src[optype][1][i] +
- src[optype][2][i];
- }
- else
- dst[optype][3] =
- src[optype][0][3] * src[optype][1][3] +
- src[optype][2][3];
- break;
- case GL_LERP_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- src[optype][0][i] * src[optype][1][i] + (1 -
- src
- [optype]
- [0][i]) *
- src[optype][2][i];
- }
- else
- dst[optype][3] =
- src[optype][0][3] * src[optype][1][3] + (1 -
- src[optype]
- [0][3]) *
- src[optype][2][3];
- break;
-
- case GL_MOV_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] = src[optype][0][i];
- }
- else
- dst[optype][3] = src[optype][0][3];
- break;
- case GL_CND_ATI:
- if (!optype) {
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- (src[optype][2][i] >
- 0.5) ? src[optype][0][i] : src[optype][1][i];
- }
- }
- else {
- dst[optype][3] =
- (src[optype][2][3] >
- 0.5) ? src[optype][0][3] : src[optype][1][3];
- }
- break;
-
- case GL_CND0_ATI:
- if (!optype)
- for (i = 0; i < 3; i++) {
- dst[optype][i] =
- (src[optype][2][i] >=
- 0) ? src[optype][0][i] : src[optype][1][i];
- }
- else {
- dst[optype][3] =
- (src[optype][2][3] >=
- 0) ? src[optype][0][3] : src[optype][1][3];
- }
- break;
- case GL_DOT2_ADD_ATI:
- {
- GLfloat result;
-
- /* DOT 2 always uses the source from the color op */
- result = src[0][0][0] * src[0][1][0] +
- src[0][0][1] * src[0][1][1] + src[0][2][2];
- if (!optype) {
- for (i = 0; i < 3; i++) {
- dst[optype][i] = result;
- }
- }
- else
- dst[optype][3] = result;
-
- }
- break;
- case GL_DOT3_ATI:
- {
- GLfloat result;
-
- /* DOT 3 always uses the source from the color op */
- result = src[0][0][0] * src[0][1][0] +
- src[0][0][1] * src[0][1][1] +
- src[0][0][2] * src[0][1][2];
-
- if (!optype) {
- for (i = 0; i < 3; i++) {
- dst[optype][i] = result;
- }
- }
- else
- dst[optype][3] = result;
- }
- break;
- case GL_DOT4_ATI:
- {
- GLfloat result;
-
- /* DOT 4 always uses the source from the color op */
- result = src[optype][0][0] * src[0][1][0] +
- src[0][0][1] * src[0][1][1] +
- src[0][0][2] * src[0][1][2] +
- src[0][0][3] * src[0][1][3];
- if (!optype) {
- for (i = 0; i < 3; i++) {
- dst[optype][i] = result;
- }
- }
- else
- dst[optype][3] = result;
- }
- break;
-
- }
- }
- }
-
- /* write out the destination registers */
- for (optype = 0; optype < 2; optype++) {
- if (inst->Opcode[optype]) {
- dstreg = inst->DstReg[optype].Index;
- dstp = machine->Registers[dstreg - GL_REG_0_ATI];
-
- write_dst_addr(optype, inst->DstReg[optype].dstMod,
- inst->DstReg[optype].dstMask, dst[optype],
- dstp);
- }
- }
- }
- }
- return GL_TRUE;
-}
-
-static void
-init_machine(GLcontext * ctx, struct atifs_machine *machine,
- const struct ati_fragment_shader *shader,
- const struct sw_span *span, GLuint col)
-{
- GLint i, j;
-
- for (i = 0; i < 6; i++) {
- for (j = 0; j < 4; j++)
- ctx->ATIFragmentShader.Machine.Registers[i][j] = 0.0;
-
- }
-
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_PRIMARY][0] =
- CHAN_TO_FLOAT(span->array->rgba[col][0]);
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_PRIMARY][1] =
- CHAN_TO_FLOAT(span->array->rgba[col][1]);
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_PRIMARY][2] =
- CHAN_TO_FLOAT(span->array->rgba[col][2]);
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_PRIMARY][3] =
- CHAN_TO_FLOAT(span->array->rgba[col][3]);
-
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_SECONDARY][0] =
- CHAN_TO_FLOAT(span->array->spec[col][0]);
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_SECONDARY][1] =
- CHAN_TO_FLOAT(span->array->spec[col][1]);
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_SECONDARY][2] =
- CHAN_TO_FLOAT(span->array->spec[col][2]);
- ctx->ATIFragmentShader.Machine.Inputs[ATI_FS_INPUT_SECONDARY][3] =
- CHAN_TO_FLOAT(span->array->spec[col][3]);
-
- ctx->ATIFragmentShader.Machine.pass = 0;
-}
-
-
-
-/**
- * Execute the current fragment program, operating on the given span.
- */
-void
-_swrast_exec_fragment_shader(GLcontext * ctx, struct sw_span *span)
-{
- const struct ati_fragment_shader *shader = ctx->ATIFragmentShader.Current;
- GLuint i;
-
- ctx->_CurrentProgram = GL_FRAGMENT_SHADER_ATI;
-
- for (i = 0; i < span->end; i++) {
- if (span->array->mask[i]) {
- init_machine(ctx, &ctx->ATIFragmentShader.Machine,
- ctx->ATIFragmentShader.Current, span, i);
-
- if (execute_shader(ctx, shader, ~0,
- &ctx->ATIFragmentShader.Machine, span, i)) {
- span->array->mask[i] = GL_FALSE;
- }
-
- {
- const GLfloat *colOut =
- ctx->ATIFragmentShader.Machine.Registers[0];
-
- /*fprintf(stderr,"outputs %f %f %f %f\n", colOut[0], colOut[1], colOut[2], colOut[3]); */
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][RCOMP], colOut[0]);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][GCOMP], colOut[1]);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][BCOMP], colOut[2]);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][ACOMP], colOut[3]);
- }
- }
-
- }
-
-
- ctx->_CurrentProgram = 0;
-
-}
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