From 6f4608f53c7ba28b5640974fc1daf6ad860df2f6 Mon Sep 17 00:00:00 2001 From: Nicolai Hähnle Date: Fri, 24 Jul 2009 22:34:44 +0200 Subject: r300/compiler: Refactor local transforms to use rc_program MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Nicolai Hähnle --- src/mesa/drivers/dri/r300/compiler/r500_fragprog.c | 213 ++++++++++----------- 1 file changed, 100 insertions(+), 113 deletions(-) (limited to 'src/mesa/drivers/dri/r300/compiler/r500_fragprog.c') diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c index 6d2158dbfc..7e2faed690 100644 --- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c @@ -29,152 +29,139 @@ #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; } /** * Transform TEX, TXP, TXB, and KIL instructions in the following way: - * - premultiply texture coordinates for RECT - * - extract operand swizzles - * - introduce a temporary register when write masks are needed - * + * - implement texture compare (shadow extensions) + * - extract non-native source / destination operands */ GLboolean r500_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; /* ARB_shadow & EXT_shadow_funcs */ - if (inst.Opcode != OPCODE_KIL && - t->Program->ShadowSamplers & (1 << inst.TexSrcUnit)) { - GLuint comparefunc = GL_NEVER + compiler->state.unit[inst.TexSrcUnit].texture_compare_func; + 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_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); } + } - inst.DstReg.File = PROGRAM_TEMPORARY; - inst.DstReg.Index = radeonFindFreeTemporary(t); - inst.DstReg.WriteMask = WRITEMASK_XYZW; - } else if (inst.Opcode != OPCODE_KIL && inst.DstReg.File != PROGRAM_TEMPORARY) { - int tempreg = radeonFindFreeTemporary(t); + /* Cannot write texture to output registers */ + if (inst->I.Opcode != OPCODE_KIL && inst->I.DstReg.File != PROGRAM_TEMPORARY) { + struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst); - inst.DstReg.File = PROGRAM_TEMPORARY; - inst.DstReg.Index = tempreg; - inst.DstReg.WriteMask = WRITEMASK_XYZW; - destredirect = GL_TRUE; - } + 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; - } + /* 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); - 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); + 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]; - tgt->Opcode = OPCODE_MOV; - tgt->DstReg = orig_inst->DstReg; - tgt->SrcReg[0].File = PROGRAM_TEMPORARY; - tgt->SrcReg[0].Index = inst.DstReg.Index; + 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; -- cgit v1.2.3