diff options
author | Corbin Simpson <[email protected]> | 2009-11-11 03:06:51 -0800 |
---|---|---|
committer | Corbin Simpson <[email protected]> | 2010-02-02 04:53:12 -0800 |
commit | 4769566500be1a53dd9b4cc1a613aef439a0e3d8 (patch) | |
tree | 69bdea3e327ca122f0294ff49dac951d265e6c66 /src | |
parent | ad83f3bf0a633d5d7360c849010f01063afc1702 (diff) |
r300compiler, r300 classic, r300g: Add support for MRTs in the frag shader.
This maybe breaks the vert compiler. Hopefully not.
Diffstat (limited to 'src')
8 files changed, 40 insertions, 14 deletions
diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c index 60ea9c171d5..39bcdc8fe60 100644 --- a/src/gallium/drivers/r300/r300_fs.c +++ b/src/gallium/drivers/r300/r300_fs.c @@ -77,17 +77,21 @@ void r300_shader_read_fs_inputs(struct tgsi_shader_info* info, static void find_output_registers(struct r300_fragment_program_compiler * compiler, struct r300_fragment_shader * fs) { - unsigned i; + unsigned i, colorbuf_count = 0; /* Mark the outputs as not present initially */ - compiler->OutputColor = fs->info.num_outputs; + compiler->OutputColor[0] = fs->info.num_outputs; + compiler->OutputColor[1] = fs->info.num_outputs; + compiler->OutputColor[2] = fs->info.num_outputs; + compiler->OutputColor[3] = fs->info.num_outputs; compiler->OutputDepth = fs->info.num_outputs; /* Now see where they really are. */ for(i = 0; i < fs->info.num_outputs; ++i) { switch(fs->info.output_semantic_name[i]) { case TGSI_SEMANTIC_COLOR: - compiler->OutputColor = i; + compiler->OutputColor[colorbuf_count] = i; + colorbuf_count++; break; case TGSI_SEMANTIC_POSITION: compiler->OutputDepth = i; diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c index 375838d98e7..cc552aee176 100644 --- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c +++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog_emit.c @@ -176,7 +176,9 @@ static int emit_alu(struct r300_emit_state * emit, struct rc_pair_instruction* i (inst->RGB.WriteMask << R300_ALU_DSTC_REG_MASK_SHIFT); } if (inst->RGB.OutputWriteMask) { - code->alu.inst[ip].rgb_addr |= (inst->RGB.OutputWriteMask << R300_ALU_DSTC_OUTPUT_MASK_SHIFT); + code->alu.inst[ip].rgb_addr |= + (inst->RGB.OutputWriteMask << R300_ALU_DSTC_OUTPUT_MASK_SHIFT) | + R300_RGB_TARGET(inst->RGB.Target); emit->node_flags |= R300_RGBA_OUT; } @@ -187,7 +189,8 @@ static int emit_alu(struct r300_emit_state * emit, struct rc_pair_instruction* i R300_ALU_DSTA_REG; } if (inst->Alpha.OutputWriteMask) { - code->alu.inst[ip].alpha_addr |= R300_ALU_DSTA_OUTPUT; + code->alu.inst[ip].alpha_addr |= R300_ALU_DSTA_OUTPUT | + R300_ALPHA_TARGET(inst->Alpha.Target); emit->node_flags |= R300_RGBA_OUT; } if (inst->Alpha.DepthWriteMask) { diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c index 5581f25352d..c2d5dc27b49 100644 --- a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c @@ -35,7 +35,10 @@ static void dataflow_outputs_mark_use(void * userdata, void * data, void (*callback)(void *, unsigned int, unsigned int)) { struct r300_fragment_program_compiler * c = userdata; - callback(data, c->OutputColor, RC_MASK_XYZW); + callback(data, c->OutputColor[0], RC_MASK_XYZW); + callback(data, c->OutputColor[1], RC_MASK_XYZW); + callback(data, c->OutputColor[2], RC_MASK_XYZW); + callback(data, c->OutputColor[3], RC_MASK_XYZW); callback(data, c->OutputDepth, RC_MASK_W); } diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c index b1b14394b6e..c2eb613b23f 100644 --- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c +++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog_emit.c @@ -241,6 +241,9 @@ static void emit_paired(struct r300_fragment_program_compiler *c, struct rc_pair code->inst[ip].inst4 |= translate_arg_alpha(inst, 1) << R500_ALPHA_SEL_B_SHIFT; code->inst[ip].inst5 |= translate_arg_alpha(inst, 2) << R500_ALU_RGBA_ALPHA_SEL_C_SHIFT; + code->inst[ip].inst3 |= R500_ALU_RGB_TARGET(inst->RGB.Target); + code->inst[ip].inst4 |= R500_ALPHA_TARGET(inst->Alpha.Target); + if (inst->WriteALUResult) { code->inst[ip].inst3 |= R500_ALU_RGB_WMASK; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h index f27f858652e..6bfda0574f6 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h @@ -83,8 +83,10 @@ struct r300_fragment_program_compiler { struct rX00_fragment_program_code *code; struct r300_fragment_program_external_state state; unsigned is_r500; + /* Register corresponding to the depthbuffer. */ unsigned OutputDepth; - unsigned OutputColor; + /* Registers corresponding to the four colorbuffers. */ + unsigned OutputColor[4]; void * UserData; void (*AllocateHwInputs)( diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c index 72117682725..80cc5ffe955 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_pair_translate.c @@ -203,12 +203,21 @@ static void set_pair_instruction(struct r300_fragment_program_compiler *c, /* Destination handling */ if (inst->DstReg.File == RC_FILE_OUTPUT) { - if (inst->DstReg.Index == c->OutputColor) { - pair->RGB.OutputWriteMask |= inst->DstReg.WriteMask & RC_MASK_XYZ; - pair->Alpha.OutputWriteMask |= GET_BIT(inst->DstReg.WriteMask, 3); - } else if (inst->DstReg.Index == c->OutputDepth) { - pair->Alpha.DepthWriteMask |= GET_BIT(inst->DstReg.WriteMask, 3); - } + if (inst->DstReg.Index == c->OutputDepth) { + pair->Alpha.DepthWriteMask |= GET_BIT(inst->DstReg.WriteMask, 3); + } else { + for (i = 0; i < 4; i++) { + if (inst->DstReg.Index == c->OutputColor[i]) { + pair->RGB.Target = inst->DstReg.Index; + pair->Alpha.Target = inst->DstReg.Index; + pair->RGB.OutputWriteMask |= + inst->DstReg.WriteMask & RC_MASK_XYZ; + pair->Alpha.OutputWriteMask |= + GET_BIT(inst->DstReg.WriteMask, 3); + break; + } + } + } } else { if (needrgb) { pair->RGB.DestIndex = inst->DstReg.Index; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.h b/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.h index 6685ade3ea8..511cc707a38 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.h @@ -60,6 +60,7 @@ struct radeon_pair_instruction_rgb { unsigned int Opcode:8; unsigned int DestIndex:RC_REGISTER_INDEX_BITS; unsigned int WriteMask:3; + unsigned int Target:2; unsigned int OutputWriteMask:3; unsigned int Saturate:1; @@ -77,6 +78,7 @@ struct radeon_pair_instruction_alpha { unsigned int Opcode:8; unsigned int DestIndex:RC_REGISTER_INDEX_BITS; unsigned int WriteMask:1; + unsigned int Target:2; unsigned int OutputWriteMask:1; unsigned int DepthWriteMask:1; unsigned int Saturate:1; diff --git a/src/mesa/drivers/dri/r300/r300_fragprog_common.c b/src/mesa/drivers/dri/r300/r300_fragprog_common.c index e41aeff91a4..3ec43e62bd9 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog_common.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog_common.c @@ -221,7 +221,7 @@ static void translate_fragment_program(GLcontext *ctx, struct r300_fragment_prog compiler.state = fp->state; compiler.is_r500 = (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) ? GL_TRUE : GL_FALSE; compiler.OutputDepth = FRAG_RESULT_DEPTH; - compiler.OutputColor = FRAG_RESULT_COLOR; + compiler.OutputColor[0] = FRAG_RESULT_COLOR; compiler.AllocateHwInputs = &allocate_hw_inputs; if (compiler.Base.Debug) { |