#include "r500_fragprog.h"
-#include "radeon_nqssadce.h"
-#include "radeon_program_alu.h"
-
-
static void reset_srcreg(struct prog_src_register* reg)
{
_mesa_bzero(reg, sizeof(*reg));
* - introduce a temporary register when write masks are needed
*
*/
-static GLboolean transform_TEX(
+GLboolean r500_transform_TEX(
struct radeon_transform_context *t,
struct prog_instruction* orig_inst, void* data)
{
* r < tex <=> -tex+r < 0
* r >= tex <=> not (-tex+r < 0 */
if (comparefunc == GL_LESS || comparefunc == GL_GEQUAL)
- tgt[1].SrcReg[2].NegateBase = tgt[0].SrcReg[2].NegateBase ^ NEGATE_XYZW;
+ tgt[1].SrcReg[2].Negate = tgt[0].SrcReg[2].Negate ^ NEGATE_XYZW;
else
- tgt[1].SrcReg[0].NegateBase = tgt[0].SrcReg[0].NegateBase ^ NEGATE_XYZW;
+ tgt[1].SrcReg[0].Negate = tgt[0].SrcReg[0].Negate ^ NEGATE_XYZW;
tgt[2].Opcode = OPCODE_CMP;
tgt[2].DstReg = orig_inst->DstReg;
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.
- *
- * \todo if/when r5xx supports the radeon_program architecture, this is a
- * likely candidate for code sharing.
- */
-static 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 GLboolean is_native_swizzle(GLuint opcode, struct prog_src_register reg)
+GLboolean r500FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg)
{
GLuint relevant;
int i;
if (reg.Abs)
return GL_FALSE;
- if (reg.NegateAbs)
- reg.NegateBase ^= 15;
+ if (reg.Negate)
+ reg.Negate ^= NEGATE_XYZW;
if (opcode == OPCODE_KIL) {
if (reg.Swizzle != SWIZZLE_NOOP)
for(i = 0; i < 4; ++i) {
GLuint swz = GET_SWZ(reg.Swizzle, i);
if (swz == SWIZZLE_NIL) {
- reg.NegateBase &= ~(1 << i);
+ reg.Negate &= ~(1 << i);
continue;
}
if (swz >= 4)
}
}
- if (reg.NegateBase)
+ if (reg.Negate)
return GL_FALSE;
return GL_TRUE;
} else if (opcode == OPCODE_DDX || opcode == OPCODE_DDY) {
/* DDX/MDH and DDY/MDV explicitly ignore incoming swizzles;
* if it doesn't fit perfectly into a .xyzw case... */
- if (reg.Swizzle == SWIZZLE_NOOP && !reg.Abs
- && !reg.NegateBase && !reg.NegateAbs)
+ if (reg.Swizzle == SWIZZLE_NOOP && !reg.Abs && !reg.Negate)
return GL_TRUE;
return GL_FALSE;
if (swz != SWIZZLE_NIL && swz != SWIZZLE_ZERO)
relevant |= 1 << i;
}
- if ((reg.NegateBase & relevant) && ((reg.NegateBase & relevant) != relevant))
+ if ((reg.Negate & relevant) && ((reg.Negate & relevant) != relevant))
return GL_FALSE;
return GL_TRUE;
* The only thing we *cannot* do in an ALU instruction is per-component
* negation. Therefore, we split the MOV into two instructions when necessary.
*/
-static void nqssadce_build_swizzle(struct nqssadce_state *s,
- struct prog_dst_register dst, struct prog_src_register src)
+void r500FPBuildSwizzle(struct nqssadce_state *s, struct prog_dst_register dst, struct prog_src_register src)
{
struct prog_instruction *inst;
GLuint negatebase[2] = { 0, 0 };
GLuint swz = GET_SWZ(src.Swizzle, i);
if (swz == SWIZZLE_NIL)
continue;
- negatebase[GET_BIT(src.NegateBase, i)] |= 1 << i;
+ negatebase[GET_BIT(src.Negate, i)] |= 1 << i;
}
_mesa_insert_instructions(s->Program, s->IP, (negatebase[0] ? 1 : 0) + (negatebase[1] ? 1 : 0));
}
}
-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);
- }
- }
-}
-
-static void dump_program(struct r500_fragment_program_code *code);
-
-void r500TranslateFragmentShader(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("Compiler: Initial program:\n");
- _mesa_print_program(compiler.program);
- }
-
- insert_WPOS_trailer(&compiler);
-
- struct radeon_program_transformation transformations[] = {
- { &transform_TEX, &compiler },
- { &radeonTransformALU, 0 },
- { &radeonTransformDeriv, 0 },
- { &radeonTransformTrigScale, 0 }
- };
- radeonLocalTransform(ctx, compiler.program, 4, transformations);
-
- if (RADEON_DEBUG & DEBUG_PIXEL) {
- _mesa_printf("Compiler: after native rewrite:\n");
- _mesa_print_program(compiler.program);
- }
-
- struct radeon_nqssadce_descr nqssadce = {
- .Init = &nqssadce_init,
- .IsNativeSwizzle = &is_native_swizzle,
- .BuildSwizzle = &nqssadce_build_swizzle,
- .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 (!r500FragmentProgramEmit(&compiler))
- r300_fp->error = GL_TRUE;
-
- r300_fp->translated = 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, 0);
-
- r300UpdateStateParameters(ctx, _NEW_PROGRAM);
-
- if (RADEON_DEBUG & DEBUG_PIXEL) {
- if (!r300_fp->error) {
- _mesa_printf("Machine-readable code:\n");
- dump_program(&r300_fp->code.r500);
- }
- }
-
- }
-
- update_params(ctx, fp);
-
-}
static char *toswiz(int swiz_val) {
switch(swiz_val) {
return NULL;
}
-static void dump_program(struct r500_fragment_program_code *code)
+void r500FragmentProgramDump(union rX00_fragment_program_code *c)
{
-
+ struct r500_fragment_program_code *code = &c->r500;
fprintf(stderr, "R500 Fragment Program:\n--------\n");
int n;
projects / mesa.git / blobdiff