diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program_pair.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program_pair.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program_pair.c b/src/mesa/drivers/dri/r300/radeon_program_pair.c index 4aa2319a45..2e21f7bf66 100644 --- a/src/mesa/drivers/dri/r300/radeon_program_pair.c +++ b/src/mesa/drivers/dri/r300/radeon_program_pair.c @@ -47,6 +47,7 @@ struct pair_state_instruction { GLuint IsTex:1; /**< Is a texture instruction */ + GLuint IsOutput:1; /**< Is output instruction */ GLuint NeedRGB:1; /**< Needs the RGB ALU */ GLuint NeedAlpha:1; /**< Needs the Alpha ALU */ GLuint IsTranscendent:1; /**< Is a special transcendent instruction */ @@ -123,6 +124,7 @@ struct pair_state { GLboolean Debug; GLboolean Verbose; void *UserData; + GLubyte NumKillInsts; /** * Translate Mesa registers to hardware registers @@ -149,6 +151,11 @@ struct pair_state { struct pair_state_instruction *ReadyTEX; /** + * Linked list of deferred instructions + */ + struct pair_state_instruction *DeferredInsts; + + /** * Pool of @ref reg_value structures for fast allocation. */ struct reg_value *ValuePool; @@ -231,7 +238,9 @@ static void instruction_ready(struct pair_state *s, int ip) if (s->Verbose) _mesa_printf("instruction_ready(%i)\n", ip); - if (pairinst->IsTex) + if (s->NumKillInsts > 0 && pairinst->IsOutput) + add_pairinst_to_list(&s->DeferredInsts, pairinst); + else if (pairinst->IsTex) add_pairinst_to_list(&s->ReadyTEX, pairinst); else if (!pairinst->NeedAlpha) add_pairinst_to_list(&s->ReadyRGB, pairinst); @@ -339,6 +348,8 @@ static void classify_instruction(struct pair_state *s, error("Unknown opcode %d\n", inst->Opcode); break; } + + pairinst->IsOutput = (inst->DstReg.File == PROGRAM_OUTPUT); } @@ -602,8 +613,11 @@ static void emit_all_tex(struct pair_state *s) struct prog_instruction *inst = s->Program->Instructions + ip; commit_instruction(s, ip); - if (inst->Opcode != OPCODE_KIL) + if (inst->Opcode == OPCODE_KIL) + --s->NumKillInsts; + else inst->DstReg.Index = get_hw_reg(s, inst->DstReg.File, inst->DstReg.Index); + inst->SrcReg[0].Index = get_hw_reg(s, inst->SrcReg[0].File, inst->SrcReg[0].Index); if (s->Debug) { @@ -861,6 +875,17 @@ static void emit_alu(struct pair_state *s) s->Error = s->Error || !s->Handler->EmitPaired(s->UserData, &pair); } +static GLubyte countKillInsts(struct gl_program *prog) +{ + GLubyte i, count = 0; + + for (i = 0; i < prog->NumInstructions; ++i) { + if (prog->Instructions[i].Opcode == OPCODE_KIL) + ++count; + } + + return count; +} GLboolean radeonPairProgram(GLcontext *ctx, struct gl_program *program, const struct radeon_pair_handler* handler, void *userdata) @@ -874,6 +899,7 @@ GLboolean radeonPairProgram(GLcontext *ctx, struct gl_program *program, s.UserData = userdata; s.Debug = (RADEON_DEBUG & DEBUG_PIXEL) ? GL_TRUE : GL_FALSE; s.Verbose = GL_FALSE && s.Debug; + s.NumKillInsts = countKillInsts(program); s.Instructions = (struct pair_state_instruction*)_mesa_calloc( sizeof(struct pair_state_instruction)*s.Program->NumInstructions); @@ -892,6 +918,21 @@ GLboolean radeonPairProgram(GLcontext *ctx, struct gl_program *program, if (s.ReadyTEX) emit_all_tex(&s); + if (!s.NumKillInsts) { + struct pair_state_instruction *pairinst = s.DeferredInsts; + while (pairinst) { + if (!pairinst->NeedAlpha) + add_pairinst_to_list(&s.ReadyRGB, pairinst); + else if (!pairinst->NeedRGB) + add_pairinst_to_list(&s.ReadyAlpha, pairinst); + else + add_pairinst_to_list(&s.ReadyFullALU, pairinst); + + pairinst = pairinst->NextReady; + } + s.DeferredInsts = NULL; + } + while(s.ReadyFullALU || s.ReadyRGB || s.ReadyAlpha) emit_alu(&s); } |