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path: root/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c
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Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r300_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/r300/compiler/r300_fragprog.c261
1 files changed, 115 insertions, 146 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c
index f838179f79..fbffd3d7cd 100644
--- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c
@@ -31,16 +31,12 @@
#include "../r300_reg.h"
-static struct prog_src_register shadow_ambient(struct gl_program *program, int tmu)
+static struct prog_src_register shadow_ambient(struct radeon_compiler * c, int tmu)
{
- gl_state_index fail_value_tokens[STATE_LENGTH] = {
- STATE_INTERNAL, STATE_SHADOW_AMBIENT, 0, 0, 0
- };
struct prog_src_register reg = { 0, };
- fail_value_tokens[2] = tmu;
reg.File = PROGRAM_STATE_VAR;
- reg.Index = _mesa_add_state_reference(program->Parameters, fail_value_tokens);
+ reg.Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_SHADOW_AMBIENT, tmu);
reg.Swizzle = SWIZZLE_WWWW;
return reg;
}
@@ -50,173 +46,146 @@ static struct prog_src_register shadow_ambient(struct gl_program *program, int t
* - premultiply texture coordinates for RECT
* - extract operand swizzles
* - introduce a temporary register when write masks are needed
- *
- * \todo If/when r5xx uses the radeon_program architecture, this can probably
- * be reused.
*/
GLboolean r300_transform_TEX(
- struct radeon_transform_context *t,
- struct prog_instruction* orig_inst, void* data)
+ struct radeon_compiler * c,
+ struct rc_instruction* inst,
+ void* data)
{
struct r300_fragment_program_compiler *compiler =
(struct r300_fragment_program_compiler*)data;
- struct prog_instruction inst = *orig_inst;
- struct prog_instruction* tgt;
- GLboolean destredirect = GL_FALSE;
-
- if (inst.Opcode != OPCODE_TEX &&
- inst.Opcode != OPCODE_TXB &&
- inst.Opcode != OPCODE_TXP &&
- inst.Opcode != OPCODE_KIL)
+
+ if (inst->I.Opcode != OPCODE_TEX &&
+ inst->I.Opcode != OPCODE_TXB &&
+ inst->I.Opcode != OPCODE_TXP &&
+ inst->I.Opcode != OPCODE_KIL)
return GL_FALSE;
- if (inst.Opcode != OPCODE_KIL &&
- t->Program->ShadowSamplers & (1 << inst.TexSrcUnit)) {
- GLuint comparefunc = GL_NEVER + compiler->state.unit[inst.TexSrcUnit].texture_compare_func;
+ /* ARB_shadow & EXT_shadow_funcs */
+ if (inst->I.Opcode != OPCODE_KIL &&
+ c->Program.ShadowSamplers & (1 << inst->I.TexSrcUnit)) {
+ GLuint comparefunc = GL_NEVER + compiler->state.unit[inst->I.TexSrcUnit].texture_compare_func;
if (comparefunc == GL_NEVER || comparefunc == GL_ALWAYS) {
- tgt = radeonAppendInstructions(t->Program, 1);
+ inst->I.Opcode = OPCODE_MOV;
- tgt->Opcode = OPCODE_MOV;
- tgt->DstReg = inst.DstReg;
if (comparefunc == GL_ALWAYS) {
- tgt->SrcReg[0].File = PROGRAM_BUILTIN;
- tgt->SrcReg[0].Swizzle = SWIZZLE_1111;
+ inst->I.SrcReg[0].File = PROGRAM_BUILTIN;
+ inst->I.SrcReg[0].Swizzle = SWIZZLE_1111;
} else {
- tgt->SrcReg[0] = shadow_ambient(t->Program, inst.TexSrcUnit);
+ inst->I.SrcReg[0] = shadow_ambient(c, inst->I.TexSrcUnit);
}
+
return GL_TRUE;
- }
+ } else {
+ GLuint comparefunc = GL_NEVER + compiler->state.unit[inst->I.TexSrcUnit].texture_compare_func;
+ GLuint depthmode = compiler->state.unit[inst->I.TexSrcUnit].depth_texture_mode;
+ struct rc_instruction * inst_rcp = rc_insert_new_instruction(c, inst);
+ struct rc_instruction * inst_mad = rc_insert_new_instruction(c, inst_rcp);
+ struct rc_instruction * inst_cmp = rc_insert_new_instruction(c, inst_mad);
+ int pass, fail;
+
+ inst_rcp->I.Opcode = OPCODE_RCP;
+ inst_rcp->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_rcp->I.DstReg.Index = rc_find_free_temporary(c);
+ inst_rcp->I.DstReg.WriteMask = WRITEMASK_W;
+ inst_rcp->I.SrcReg[0] = inst->I.SrcReg[0];
+ inst_rcp->I.SrcReg[0].Swizzle = SWIZZLE_WWWW;
+
+ inst_cmp->I.DstReg = inst->I.DstReg;
+ inst->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst->I.DstReg.Index = rc_find_free_temporary(c);
+ inst->I.DstReg.WriteMask = WRITEMASK_XYZW;
+
+ inst_mad->I.Opcode = OPCODE_MAD;
+ inst_mad->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_mad->I.DstReg.Index = rc_find_free_temporary(c);
+ inst_mad->I.SrcReg[0] = inst->I.SrcReg[0];
+ inst_mad->I.SrcReg[0].Swizzle = SWIZZLE_ZZZZ;
+ inst_mad->I.SrcReg[1].File = PROGRAM_TEMPORARY;
+ inst_mad->I.SrcReg[1].Index = inst_rcp->I.DstReg.Index;
+ inst_mad->I.SrcReg[1].Swizzle = SWIZZLE_WWWW;
+ inst_mad->I.SrcReg[2].File = PROGRAM_TEMPORARY;
+ inst_mad->I.SrcReg[2].Index = inst->I.DstReg.Index;
+ if (depthmode == 0) /* GL_LUMINANCE */
+ inst_mad->I.SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z);
+ else if (depthmode == 2) /* GL_ALPHA */
+ inst_mad->I.SrcReg[2].Swizzle = SWIZZLE_WWWW;
+
+ /* Recall that SrcReg[0] is tex, SrcReg[2] is r and:
+ * r < tex <=> -tex+r < 0
+ * r >= tex <=> not (-tex+r < 0 */
+ if (comparefunc == GL_LESS || comparefunc == GL_GEQUAL)
+ inst_mad->I.SrcReg[2].Negate = inst_mad->I.SrcReg[2].Negate ^ NEGATE_XYZW;
+ else
+ inst_mad->I.SrcReg[0].Negate = inst_mad->I.SrcReg[0].Negate ^ NEGATE_XYZW;
+
+ inst_cmp->I.Opcode = OPCODE_CMP;
+ /* DstReg has been filled out above */
+ inst_cmp->I.SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst_cmp->I.SrcReg[0].Index = inst_mad->I.DstReg.Index;
+
+ if (comparefunc == GL_LESS || comparefunc == GL_GREATER) {
+ pass = 1;
+ fail = 2;
+ } else {
+ pass = 2;
+ fail = 1;
+ }
- inst.DstReg.File = PROGRAM_TEMPORARY;
- inst.DstReg.Index = radeonFindFreeTemporary(t);
- inst.DstReg.WriteMask = WRITEMASK_XYZW;
+ inst_cmp->I.SrcReg[pass].File = PROGRAM_BUILTIN;
+ inst_cmp->I.SrcReg[pass].Swizzle = SWIZZLE_1111;
+ inst_cmp->I.SrcReg[fail] = shadow_ambient(c, inst->I.TexSrcUnit);
+ }
}
-
/* Hardware uses [0..1]x[0..1] range for rectangle textures
* instead of [0..Width]x[0..Height].
* Add a scaling instruction.
*/
- if (inst.Opcode != OPCODE_KIL && inst.TexSrcTarget == TEXTURE_RECT_INDEX) {
- gl_state_index tokens[STATE_LENGTH] = {
- STATE_INTERNAL, STATE_R300_TEXRECT_FACTOR, 0, 0,
- 0
- };
-
- int tempreg = radeonFindFreeTemporary(t);
- int factor_index;
-
- tokens[2] = inst.TexSrcUnit;
- factor_index = _mesa_add_state_reference(t->Program->Parameters, tokens);
-
- tgt = radeonAppendInstructions(t->Program, 1);
-
- tgt->Opcode = OPCODE_MUL;
- tgt->DstReg.File = PROGRAM_TEMPORARY;
- tgt->DstReg.Index = tempreg;
- tgt->SrcReg[0] = inst.SrcReg[0];
- tgt->SrcReg[1].File = PROGRAM_STATE_VAR;
- tgt->SrcReg[1].Index = factor_index;
-
- reset_srcreg(&inst.SrcReg[0]);
- inst.SrcReg[0].File = PROGRAM_TEMPORARY;
- inst.SrcReg[0].Index = tempreg;
+ if (inst->I.Opcode != OPCODE_KIL && inst->I.TexSrcTarget == TEXTURE_RECT_INDEX) {
+ struct rc_instruction * inst_mul = rc_insert_new_instruction(c, inst->Prev);
+
+ inst_mul->I.Opcode = OPCODE_MUL;
+ inst_mul->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_mul->I.DstReg.Index = rc_find_free_temporary(c);
+ inst_mul->I.SrcReg[0] = inst->I.SrcReg[0];
+ inst_mul->I.SrcReg[1].File = PROGRAM_STATE_VAR;
+ inst_mul->I.SrcReg[1].Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_R300_TEXRECT_FACTOR, inst->I.TexSrcUnit);
+
+ reset_srcreg(&inst->I.SrcReg[0]);
+ inst->I.SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst->I.SrcReg[0].Index = inst_mul->I.DstReg.Index;
}
- if (inst.Opcode != OPCODE_KIL) {
- if (inst.DstReg.File != PROGRAM_TEMPORARY ||
- inst.DstReg.WriteMask != WRITEMASK_XYZW) {
- int tempreg = radeonFindFreeTemporary(t);
-
- inst.DstReg.File = PROGRAM_TEMPORARY;
- inst.DstReg.Index = tempreg;
- inst.DstReg.WriteMask = WRITEMASK_XYZW;
- destredirect = GL_TRUE;
- } else if (inst.SaturateMode) {
- destredirect = GL_TRUE;
- }
- }
+ /* Cannot write texture to output registers or with masks */
+ if (inst->I.Opcode != OPCODE_KIL &&
+ (inst->I.DstReg.File != PROGRAM_TEMPORARY || inst->I.DstReg.WriteMask != WRITEMASK_XYZW)) {
+ struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst);
+
+ inst_mov->I.Opcode = OPCODE_MOV;
+ inst_mov->I.DstReg = inst->I.DstReg;
+ inst_mov->I.SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst_mov->I.SrcReg[0].Index = rc_find_free_temporary(c);
- if (inst.SrcReg[0].File != PROGRAM_TEMPORARY && inst.SrcReg[0].File != PROGRAM_INPUT) {
- int tmpreg = radeonFindFreeTemporary(t);
- tgt = radeonAppendInstructions(t->Program, 1);
- tgt->Opcode = OPCODE_MOV;
- tgt->DstReg.File = PROGRAM_TEMPORARY;
- tgt->DstReg.Index = tmpreg;
- tgt->SrcReg[0] = inst.SrcReg[0];
-
- reset_srcreg(&inst.SrcReg[0]);
- inst.SrcReg[0].File = PROGRAM_TEMPORARY;
- inst.SrcReg[0].Index = tmpreg;
+ inst->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst->I.DstReg.Index = inst_mov->I.SrcReg[0].Index;
+ inst->I.DstReg.WriteMask = WRITEMASK_XYZW;
}
- tgt = radeonAppendInstructions(t->Program, 1);
- _mesa_copy_instructions(tgt, &inst, 1);
-
- if (inst.Opcode != OPCODE_KIL &&
- t->Program->ShadowSamplers & (1 << inst.TexSrcUnit)) {
- GLuint comparefunc = GL_NEVER + compiler->state.unit[inst.TexSrcUnit].texture_compare_func;
- GLuint depthmode = compiler->state.unit[inst.TexSrcUnit].depth_texture_mode;
- int rcptemp = radeonFindFreeTemporary(t);
- int pass, fail;
-
- tgt = radeonAppendInstructions(t->Program, 3);
-
- tgt[0].Opcode = OPCODE_RCP;
- tgt[0].DstReg.File = PROGRAM_TEMPORARY;
- tgt[0].DstReg.Index = rcptemp;
- tgt[0].DstReg.WriteMask = WRITEMASK_W;
- tgt[0].SrcReg[0] = inst.SrcReg[0];
- tgt[0].SrcReg[0].Swizzle = SWIZZLE_WWWW;
-
- tgt[1].Opcode = OPCODE_MAD;
- tgt[1].DstReg = inst.DstReg;
- tgt[1].DstReg.WriteMask = orig_inst->DstReg.WriteMask;
- tgt[1].SrcReg[0] = inst.SrcReg[0];
- tgt[1].SrcReg[0].Swizzle = SWIZZLE_ZZZZ;
- tgt[1].SrcReg[1].File = PROGRAM_TEMPORARY;
- tgt[1].SrcReg[1].Index = rcptemp;
- tgt[1].SrcReg[1].Swizzle = SWIZZLE_WWWW;
- tgt[1].SrcReg[2].File = PROGRAM_TEMPORARY;
- tgt[1].SrcReg[2].Index = inst.DstReg.Index;
- if (depthmode == 0) /* GL_LUMINANCE */
- tgt[1].SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z);
- else if (depthmode == 2) /* GL_ALPHA */
- tgt[1].SrcReg[2].Swizzle = SWIZZLE_WWWW;
-
- /* Recall that SrcReg[0] is tex, SrcReg[2] is r and:
- * r < tex <=> -tex+r < 0
- * r >= tex <=> not (-tex+r < 0 */
- if (comparefunc == GL_LESS || comparefunc == GL_GEQUAL)
- tgt[1].SrcReg[2].Negate = tgt[0].SrcReg[2].Negate ^ NEGATE_XYZW;
- else
- tgt[1].SrcReg[0].Negate = tgt[0].SrcReg[0].Negate ^ NEGATE_XYZW;
-
- tgt[2].Opcode = OPCODE_CMP;
- tgt[2].DstReg = orig_inst->DstReg;
- tgt[2].SrcReg[0].File = PROGRAM_TEMPORARY;
- tgt[2].SrcReg[0].Index = tgt[1].DstReg.Index;
-
- if (comparefunc == GL_LESS || comparefunc == GL_GREATER) {
- pass = 1;
- fail = 2;
- } else {
- pass = 2;
- fail = 1;
- }
- tgt[2].SrcReg[pass].File = PROGRAM_BUILTIN;
- tgt[2].SrcReg[pass].Swizzle = SWIZZLE_1111;
- tgt[2].SrcReg[fail] = shadow_ambient(t->Program, inst.TexSrcUnit);
- } else if (destredirect) {
- tgt = radeonAppendInstructions(t->Program, 1);
-
- tgt->Opcode = OPCODE_MOV;
- tgt->DstReg = orig_inst->DstReg;
- tgt->SaturateMode = inst.SaturateMode;
- tgt->SrcReg[0].File = PROGRAM_TEMPORARY;
- tgt->SrcReg[0].Index = inst.DstReg.Index;
+ /* Cannot read texture coordinate from constants file */
+ if (inst->I.SrcReg[0].File != PROGRAM_TEMPORARY && inst->I.SrcReg[0].File != PROGRAM_INPUT) {
+ struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst->Prev);
+
+ inst_mov->I.Opcode = OPCODE_MOV;
+ inst_mov->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_mov->I.DstReg.Index = rc_find_free_temporary(c);
+ inst_mov->I.SrcReg[0] = inst->I.SrcReg[0];
+
+ reset_srcreg(&inst->I.SrcReg[0]);
+ inst->I.SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst->I.SrcReg[0].Index = inst_mov->I.DstReg.Index;
}
return GL_TRUE;