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-rw-r--r--src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c90
-rw-r--r--src/mesa/drivers/dri/r300/compiler/radeon_compiler.c73
-rw-r--r--src/mesa/drivers/dri/r300/compiler/radeon_compiler.h1
3 files changed, 80 insertions, 84 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
index 2ffee79b4f..014c5fbac0 100644
--- a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
+++ b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c
@@ -50,102 +50,24 @@ static void nqssadce_init(struct nqssadce_state* s)
*/
static void insert_WPOS_trailer(struct r300_fragment_program_compiler *compiler)
{
- GLuint InputsRead = compiler->program->InputsRead;
+ int i;
- if (!(InputsRead & FRAG_BIT_WPOS)) {
+ if (!(compiler->Base.Program.InputsRead & FRAG_BIT_WPOS)) {
compiler->code->wpos_attr = FRAG_ATTRIB_MAX;
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;
-
for (i = FRAG_ATTRIB_TEX0; i <= FRAG_ATTRIB_TEX7; ++i)
{
- if (!(InputsRead & (1 << i))) {
- InputsRead &= ~(1 << FRAG_ATTRIB_WPOS);
- InputsRead |= 1 << i;
- compiler->program->InputsRead = InputsRead;
+ if (!(compiler->Base.Program.InputsRead & (1 << i))) {
compiler->code->wpos_attr = i;
break;
}
}
- GLuint tempregi = _mesa_find_free_register(compiler->program, PROGRAM_TEMPORARY);
-
- _mesa_insert_instructions(compiler->program, 0, 3);
- fpi = compiler->program->Instructions;
- i = 0;
-
- /* 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 = compiler->code->wpos_attr;
- 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 = compiler->code->wpos_attr;
- 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;
- }
- }
- }
+ rc_transform_fragment_wpos(&compiler->Base, FRAG_ATTRIB_WPOS, compiler->code->wpos_attr);
}
-
/**
* Rewrite fragment.fogcoord to use a texture coordinate slot.
* Note that fogcoord is forced into an X001 pattern, and this enforcement
@@ -231,10 +153,10 @@ void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c)
fflush(stdout);
}
- insert_WPOS_trailer(c);
-
rc_mesa_to_rc_program(&c->Base, c->program);
+ insert_WPOS_trailer(c);
+
rewriteFog(c);
rewrite_depth_out(c);
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
index 15823064f2..adf900a5cb 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c
@@ -120,3 +120,76 @@ void rc_move_input(struct radeon_compiler * c, unsigned input, struct prog_src_r
}
}
}
+
+
+/**
+ * Introduce standard code fragment to deal with fragment.position.
+ */
+void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input)
+{
+ unsigned tempregi = rc_find_free_temporary(c);
+
+ c->Program.InputsRead &= ~(1 << wpos);
+ c->Program.InputsRead |= 1 << new_input;
+
+ /* perspective divide */
+ struct rc_instruction * inst_rcp = rc_insert_new_instruction(c, &c->Program.Instructions);
+ inst_rcp->I.Opcode = OPCODE_RCP;
+
+ inst_rcp->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_rcp->I.DstReg.Index = tempregi;
+ inst_rcp->I.DstReg.WriteMask = WRITEMASK_W;
+
+ inst_rcp->I.SrcReg[0].File = PROGRAM_INPUT;
+ inst_rcp->I.SrcReg[0].Index = new_input;
+ inst_rcp->I.SrcReg[0].Swizzle = SWIZZLE_WWWW;
+
+ struct rc_instruction * inst_mul = rc_insert_new_instruction(c, inst_rcp);
+ inst_mul->I.Opcode = OPCODE_MUL;
+
+ inst_mul->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_mul->I.DstReg.Index = tempregi;
+ inst_mul->I.DstReg.WriteMask = WRITEMASK_XYZ;
+
+ inst_mul->I.SrcReg[0].File = PROGRAM_INPUT;
+ inst_mul->I.SrcReg[0].Index = new_input;
+
+ inst_mul->I.SrcReg[1].File = PROGRAM_TEMPORARY;
+ inst_mul->I.SrcReg[1].Index = tempregi;
+ inst_mul->I.SrcReg[1].Swizzle = SWIZZLE_WWWW;
+
+ /* viewport transformation */
+ struct rc_instruction * inst_mad = rc_insert_new_instruction(c, inst_mul);
+ inst_mad->I.Opcode = OPCODE_MAD;
+
+ inst_mad->I.DstReg.File = PROGRAM_TEMPORARY;
+ inst_mad->I.DstReg.Index = tempregi;
+ inst_mad->I.DstReg.WriteMask = WRITEMASK_XYZ;
+
+ inst_mad->I.SrcReg[0].File = PROGRAM_TEMPORARY;
+ inst_mad->I.SrcReg[0].Index = tempregi;
+ inst_mad->I.SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
+
+ inst_mad->I.SrcReg[1].File = PROGRAM_STATE_VAR;
+ inst_mad->I.SrcReg[1].Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_R300_WINDOW_DIMENSION, 0);
+ inst_mad->I.SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
+
+ inst_mad->I.SrcReg[2].File = PROGRAM_STATE_VAR;
+ inst_mad->I.SrcReg[2].Index = inst_mad->I.SrcReg[1].Index;
+ inst_mad->I.SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO);
+
+ struct rc_instruction * inst;
+ for (inst = inst_mad->Next; inst != &c->Program.Instructions; inst = inst->Next) {
+ const unsigned numsrcs = _mesa_num_inst_src_regs(inst->I.Opcode);
+ unsigned i;
+
+ for(i = 0; i < numsrcs; i++) {
+ if (inst->I.SrcReg[i].File == PROGRAM_INPUT &&
+ inst->I.SrcReg[i].Index == wpos) {
+ inst->I.SrcReg[i].File = PROGRAM_TEMPORARY;
+ inst->I.SrcReg[i].Index = tempregi;
+ }
+ }
+ }
+}
+
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
index 1a09522b01..37519add05 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h
@@ -65,6 +65,7 @@ void rc_debug(struct radeon_compiler * c, const char * fmt, ...);
void rc_error(struct radeon_compiler * c, const char * fmt, ...);
void rc_move_input(struct radeon_compiler * c, unsigned input, struct prog_src_register new_input);
+void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input);
struct r300_fragment_program_compiler {
struct radeon_compiler Base;