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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_fragprog.c244
1 files changed, 1 insertions, 243 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 13a1c300ddf..825246687fb 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -25,21 +25,6 @@
*
*/
-/**
- * \file
- *
- * Fragment program compiler. Perform transformations on the intermediate
- * representation until the program is in a form where we can translate
- * it more or less directly into machine-readable form.
- *
- * \author Ben Skeggs <[email protected]>
- * \author Jerome Glisse <[email protected]>
- */
-
-#include "main/glheader.h"
-#include "main/macros.h"
-#include "main/enums.h"
-#include "shader/prog_instruction.h"
#include "shader/prog_parameter.h"
#include "shader/prog_print.h"
@@ -49,8 +34,6 @@
#include "r300_state.h"
#include "radeon_nqssadce.h"
-#include "radeon_program_alu.h"
-
static void reset_srcreg(struct prog_src_register* reg)
{
@@ -81,7 +64,7 @@ static struct prog_src_register shadow_ambient(struct gl_program *program, int t
* \todo If/when r5xx uses the radeon_program architecture, this can probably
* be reused.
*/
-static GLboolean transform_TEX(
+GLboolean r300_transform_TEX(
struct radeon_transform_context *t,
struct prog_instruction* orig_inst, void* data)
{
@@ -246,231 +229,6 @@ static GLboolean transform_TEX(
return GL_TRUE;
}
-
-static void update_params(GLcontext *ctx, struct gl_fragment_program *fp)
-{
- /* Ask Mesa nicely to fill in ParameterValues for us */
- if (fp->Base.Parameters)
- _mesa_load_state_parameters(ctx, fp->Base.Parameters);
-}
-
-
-/**
- * Transform the program to support fragment.position.
- *
- * Introduce a small fragment at the start of the program that will be
- * the only code that directly reads the FRAG_ATTRIB_WPOS input.
- * All other code pieces that reference that input will be rewritten
- * to read from a newly allocated temporary.
- *
- */
-void insert_WPOS_trailer(struct r300_fragment_program_compiler *compiler)
-{
- GLuint InputsRead = compiler->fp->Base.Base.InputsRead;
-
- if (!(InputsRead & FRAG_BIT_WPOS))
- return;
-
- static gl_state_index tokens[STATE_LENGTH] = {
- STATE_INTERNAL, STATE_R300_WINDOW_DIMENSION, 0, 0, 0
- };
- struct prog_instruction *fpi;
- GLuint window_index;
- int i = 0;
- GLuint tempregi = _mesa_find_free_register(compiler->program, PROGRAM_TEMPORARY);
-
- _mesa_insert_instructions(compiler->program, 0, 3);
- fpi = compiler->program->Instructions;
-
- /* perspective divide */
- fpi[i].Opcode = OPCODE_RCP;
-
- fpi[i].DstReg.File = PROGRAM_TEMPORARY;
- fpi[i].DstReg.Index = tempregi;
- fpi[i].DstReg.WriteMask = WRITEMASK_W;
- fpi[i].DstReg.CondMask = COND_TR;
-
- fpi[i].SrcReg[0].File = PROGRAM_INPUT;
- fpi[i].SrcReg[0].Index = FRAG_ATTRIB_WPOS;
- fpi[i].SrcReg[0].Swizzle = SWIZZLE_WWWW;
- i++;
-
- fpi[i].Opcode = OPCODE_MUL;
-
- fpi[i].DstReg.File = PROGRAM_TEMPORARY;
- fpi[i].DstReg.Index = tempregi;
- fpi[i].DstReg.WriteMask = WRITEMASK_XYZ;
- fpi[i].DstReg.CondMask = COND_TR;
-
- fpi[i].SrcReg[0].File = PROGRAM_INPUT;
- fpi[i].SrcReg[0].Index = FRAG_ATTRIB_WPOS;
- fpi[i].SrcReg[0].Swizzle = SWIZZLE_XYZW;
-
- fpi[i].SrcReg[1].File = PROGRAM_TEMPORARY;
- fpi[i].SrcReg[1].Index = tempregi;
- fpi[i].SrcReg[1].Swizzle = SWIZZLE_WWWW;
- i++;
-
- /* viewport transformation */
- window_index = _mesa_add_state_reference(compiler->program->Parameters, tokens);
-
- fpi[i].Opcode = OPCODE_MAD;
-
- fpi[i].DstReg.File = PROGRAM_TEMPORARY;
- fpi[i].DstReg.Index = tempregi;
- fpi[i].DstReg.WriteMask = WRITEMASK_XYZ;
- fpi[i].DstReg.CondMask = COND_TR;
-
- fpi[i].SrcReg[0].File = PROGRAM_TEMPORARY;
- fpi[i].SrcReg[0].Index = tempregi;
- fpi[i].SrcReg[0].Swizzle =
- MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
-
- fpi[i].SrcReg[1].File = PROGRAM_STATE_VAR;
- fpi[i].SrcReg[1].Index = window_index;
- fpi[i].SrcReg[1].Swizzle =
- MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
-
- fpi[i].SrcReg[2].File = PROGRAM_STATE_VAR;
- fpi[i].SrcReg[2].Index = window_index;
- fpi[i].SrcReg[2].Swizzle =
- MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
- i++;
-
- for (; i < compiler->program->NumInstructions; ++i) {
- int reg;
- for (reg = 0; reg < 3; reg++) {
- if (fpi[i].SrcReg[reg].File == PROGRAM_INPUT &&
- fpi[i].SrcReg[reg].Index == FRAG_ATTRIB_WPOS) {
- fpi[i].SrcReg[reg].File = PROGRAM_TEMPORARY;
- fpi[i].SrcReg[reg].Index = tempregi;
- }
- }
- }
-}
-
-
-static void nqssadce_init(struct nqssadce_state* s)
-{
- s->Outputs[FRAG_RESULT_COLOR].Sourced = WRITEMASK_XYZW;
- s->Outputs[FRAG_RESULT_DEPTH].Sourced = WRITEMASK_W;
-}
-
-
-static GLuint build_dtm(GLuint depthmode)
-{
- switch(depthmode) {
- default:
- case GL_LUMINANCE: return 0;
- case GL_INTENSITY: return 1;
- case GL_ALPHA: return 2;
- }
-}
-
-static GLuint build_func(GLuint comparefunc)
-{
- return comparefunc - GL_NEVER;
-}
-
-
-/**
- * Collect all external state that is relevant for compiling the given
- * fragment program.
- */
-static void build_state(
- r300ContextPtr r300,
- struct r300_fragment_program *fp,
- struct r300_fragment_program_external_state *state)
-{
- int unit;
-
- _mesa_bzero(state, sizeof(*state));
-
- for(unit = 0; unit < 16; ++unit) {
- if (fp->Base.Base.ShadowSamplers & (1 << unit)) {
- struct gl_texture_object* tex = r300->radeon.glCtx->Texture.Unit[unit]._Current;
-
- state->unit[unit].depth_texture_mode = build_dtm(tex->DepthMode);
- state->unit[unit].texture_compare_func = build_func(tex->CompareFunc);
- }
- }
-}
-
-
-void r300TranslateFragmentShader(GLcontext *ctx, struct gl_fragment_program *fp)
-{
- r300ContextPtr r300 = R300_CONTEXT(ctx);
- struct r300_fragment_program *r300_fp = (struct r300_fragment_program *)fp;
- struct r300_fragment_program_external_state state;
-
- build_state(r300, r300_fp, &state);
- if (_mesa_memcmp(&r300_fp->state, &state, sizeof(state))) {
- /* TODO: cache compiled programs */
- r300_fp->translated = GL_FALSE;
- _mesa_memcpy(&r300_fp->state, &state, sizeof(state));
- }
-
- if (!r300_fp->translated) {
- struct r300_fragment_program_compiler compiler;
-
- compiler.r300 = r300;
- compiler.fp = r300_fp;
- compiler.code = &r300_fp->code;
- compiler.program = _mesa_clone_program(ctx, &fp->Base);
-
- if (RADEON_DEBUG & DEBUG_PIXEL) {
- _mesa_printf("Fragment Program: Initial program:\n");
- _mesa_print_program(compiler.program);
- }
-
- insert_WPOS_trailer(&compiler);
-
- struct radeon_program_transformation transformations[] = {
- { &transform_TEX, &compiler },
- { &radeonTransformALU, 0 },
- { &radeonTransformTrigSimple, 0 }
- };
- radeonLocalTransform(ctx, compiler.program, 3, transformations);
-
- if (RADEON_DEBUG & DEBUG_PIXEL) {
- _mesa_printf("Fragment Program: After native rewrite:\n");
- _mesa_print_program(compiler.program);
- }
-
- struct radeon_nqssadce_descr nqssadce = {
- .Init = &nqssadce_init,
- .IsNativeSwizzle = &r300FPIsNativeSwizzle,
- .BuildSwizzle = &r300FPBuildSwizzle,
- .RewriteDepthOut = GL_TRUE
- };
- radeonNqssaDce(ctx, compiler.program, &nqssadce);
-
- if (RADEON_DEBUG & DEBUG_PIXEL) {
- _mesa_printf("Compiler: after NqSSA-DCE:\n");
- _mesa_print_program(compiler.program);
- }
-
- if (!r300->vtbl.FragmentProgramEmit(&compiler))
- r300_fp->error = GL_TRUE;
-
- /* Subtle: Rescue any parameters that have been added during transformations */
- _mesa_free_parameter_list(fp->Base.Parameters);
- fp->Base.Parameters = compiler.program->Parameters;
- compiler.program->Parameters = 0;
-
- _mesa_reference_program(ctx, &compiler.program, NULL);
-
- r300_fp->translated = GL_TRUE;
-
- r300UpdateStateParameters(ctx, _NEW_PROGRAM);
-
- if (r300_fp->error || (RADEON_DEBUG & DEBUG_PIXEL))
- r300->vtbl.FragmentProgramDump(&r300_fp->code);
- }
-
- update_params(ctx, fp);
-}
-
/* just some random things... */
void r300FragmentProgramDump(union rX00_fragment_program_code *c)
{