From: Nicolai Hähnle Date: Fri, 24 Jul 2009 21:28:08 +0000 (+0200) Subject: r300/fragprog: Refactor wpos rewrite to use rc_program X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=273af6857084f3a047a781a6c1a163464bdb3da0;p=mesa.git r300/fragprog: Refactor wpos rewrite to use rc_program Signed-off-by: Nicolai Hähnle --- diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_fragprog.c index 2ffee79b4fc..014c5fbac01 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 15823064f2c..adf900a5cb3 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 1a09522b012..37519add054 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;