diff options
| author | Marek Olšák <[email protected]> | 2010-06-05 04:18:28 +0200 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2010-06-05 07:03:15 +0200 |
| commit | df36bc8dad477bcfb8012962907562489697a09c (patch) | |
| tree | 807e6af4b77aefe65db38c6311cba7e2ff6d2619 | |
| parent | e629de94b53f49826626447a2e81cd9b01360a75 (diff) | |
r300/compiler: implement SEQ unwound for r3xx VS, natively for r5xx VS
Fixes piglit/glsl-vs-vec4-indexing-4.
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c | 3 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c | 33 |
2 files changed, 36 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c index 02bef5603f3..755161cdc76 100644 --- a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c @@ -353,6 +353,8 @@ static void translate_vertex_program(struct r300_vertex_program_compiler * compi return; } + assert(compiler->Base.is_r500 || vpi->Opcode != RC_OPCODE_SEQ); + switch (vpi->Opcode) { case RC_OPCODE_ADD: ei_vector2(compiler->code, VE_ADD, vpi, inst); break; case RC_OPCODE_ARL: ei_vector1(compiler->code, VE_FLT2FIX_DX, vpi, inst); break; @@ -372,6 +374,7 @@ static void translate_vertex_program(struct r300_vertex_program_compiler * compi case RC_OPCODE_POW: ei_pow(compiler->code, vpi, inst); break; case RC_OPCODE_RCP: ei_math1(compiler->code, ME_RECIP_DX, vpi, inst); break; case RC_OPCODE_RSQ: ei_math1(compiler->code, ME_RECIP_SQRT_DX, vpi, inst); break; + case RC_OPCODE_SEQ: ei_vector2(compiler->code, VE_SET_EQUAL, vpi, inst); break; case RC_OPCODE_SGE: ei_vector2(compiler->code, VE_SET_GREATER_THAN_EQUAL, vpi, inst); break; case RC_OPCODE_SLT: ei_vector2(compiler->code, VE_SET_LESS_THAN, vpi, inst); break; default: diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c index 0240fc0522b..67e2cc0c82c 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c @@ -600,6 +600,33 @@ static void transform_r300_vertex_fix_LIT(struct radeon_compiler* c, inst->U.I.SrcReg[0] = srcreg(RC_FILE_TEMPORARY, tempreg); } +static void transform_r300_vertex_SEQ(struct radeon_compiler *c, + struct rc_instruction *inst) +{ + /* x = y <==> x >= y && y >= x */ + int tmp = rc_find_free_temporary(c); + + /* x <= y */ + emit2(c, inst->Prev, RC_OPCODE_SGE, 0, + dstregtmpmask(tmp, inst->U.I.DstReg.WriteMask), + inst->U.I.SrcReg[0], + inst->U.I.SrcReg[1]); + + /* y <= x */ + emit2(c, inst->Prev, RC_OPCODE_SGE, 0, + inst->U.I.DstReg, + inst->U.I.SrcReg[1], + inst->U.I.SrcReg[0]); + + /* x && y = x * y */ + emit2(c, inst->Prev, RC_OPCODE_MUL, 0, + inst->U.I.DstReg, + srcreg(RC_FILE_TEMPORARY, tmp), + srcreg(inst->U.I.DstReg.File, inst->U.I.DstReg.Index)); + + rc_remove_instruction(inst); +} + static void transform_r300_vertex_SGT(struct radeon_compiler* c, struct rc_instruction* inst) { @@ -636,6 +663,12 @@ int r300_transform_vertex_alu( case RC_OPCODE_FLR: transform_FLR(c, inst); return 1; case RC_OPCODE_LIT: transform_r300_vertex_fix_LIT(c, inst); return 1; case RC_OPCODE_LRP: transform_LRP(c, inst); return 1; + case RC_OPCODE_SEQ: + if (!c->is_r500) { + transform_r300_vertex_SEQ(c, inst); + return 1; + } + return 0; case RC_OPCODE_SFL: transform_SFL(c, inst); return 1; case RC_OPCODE_SGT: transform_r300_vertex_SGT(c, inst); return 1; case RC_OPCODE_SLE: transform_r300_vertex_SLE(c, inst); return 1; |