From 05a51f4b3dfa32c73b85b26254bf9ee270eb6be2 Mon Sep 17 00:00:00 2001 From: Nicolai Hähnle Date: Sat, 25 Jul 2009 00:49:25 +0200 Subject: r300/vertprog: Refactor wpos rewrite using 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/r3xx_vertprog.c | 70 +++------------------- .../drivers/dri/r300/compiler/radeon_compiler.c | 41 +++++++++++++ .../drivers/dri/r300/compiler/radeon_compiler.h | 1 + 3 files changed, 51 insertions(+), 61 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c index 38ee9575a3..c05b488645 100644 --- a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c @@ -578,62 +578,6 @@ static GLboolean transform_source_conflicts( return GL_TRUE; } -static void insert_wpos(struct gl_program *prog, GLuint temp_index, int tex_id) -{ - struct prog_instruction *vpi; - - _mesa_insert_instructions(prog, prog->NumInstructions - 1, 2); - - vpi = &prog->Instructions[prog->NumInstructions - 3]; - - vpi->Opcode = OPCODE_MOV; - - vpi->DstReg.File = PROGRAM_OUTPUT; - vpi->DstReg.Index = VERT_RESULT_HPOS; - vpi->DstReg.WriteMask = WRITEMASK_XYZW; - vpi->DstReg.CondMask = COND_TR; - - vpi->SrcReg[0].File = PROGRAM_TEMPORARY; - vpi->SrcReg[0].Index = temp_index; - vpi->SrcReg[0].Swizzle = SWIZZLE_XYZW; - - ++vpi; - - vpi->Opcode = OPCODE_MOV; - - vpi->DstReg.File = PROGRAM_OUTPUT; - vpi->DstReg.Index = VERT_RESULT_TEX0 + tex_id; - vpi->DstReg.WriteMask = WRITEMASK_XYZW; - vpi->DstReg.CondMask = COND_TR; - - vpi->SrcReg[0].File = PROGRAM_TEMPORARY; - vpi->SrcReg[0].Index = temp_index; - vpi->SrcReg[0].Swizzle = SWIZZLE_XYZW; - - ++vpi; - - vpi->Opcode = OPCODE_END; -} - -static void pos_as_texcoord(struct gl_program *prog, int tex_id) -{ - struct prog_instruction *vpi; - GLuint tempregi = prog->NumTemporaries; - - prog->NumTemporaries++; - - for (vpi = prog->Instructions; vpi->Opcode != OPCODE_END; vpi++) { - if (vpi->DstReg.File == PROGRAM_OUTPUT && vpi->DstReg.Index == VERT_RESULT_HPOS) { - vpi->DstReg.File = PROGRAM_TEMPORARY; - vpi->DstReg.Index = tempregi; - } - } - - insert_wpos(prog, tempregi, tex_id); - - prog->OutputsWritten |= 1 << (VERT_RESULT_TEX0 + tex_id); -} - static void addArtificialOutputs(struct r300_vertex_program_compiler * compiler) { int i; @@ -684,15 +628,19 @@ static GLboolean swizzleIsNative(GLuint opcode, struct prog_src_register reg) void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* compiler) { - if (compiler->state.WPosAttr != FRAG_ATTRIB_MAX) { - pos_as_texcoord(compiler->program, compiler->state.WPosAttr - FRAG_ATTRIB_TEX0); - } - rc_mesa_to_rc_program(&compiler->Base, compiler->program); compiler->program = 0; + if (compiler->state.WPosAttr != FRAG_ATTRIB_MAX) { + rc_copy_output(&compiler->Base, + VERT_RESULT_HPOS, + compiler->state.WPosAttr - FRAG_ATTRIB_TEX0 + VERT_RESULT_TEX0); + } + if (compiler->state.FogAttr != FRAG_ATTRIB_MAX) { - rc_move_output(&compiler->Base, VERT_RESULT_FOGC, compiler->state.FogAttr - FRAG_ATTRIB_TEX0 + VERT_RESULT_TEX0, WRITEMASK_X); + rc_move_output(&compiler->Base, + VERT_RESULT_FOGC, + compiler->state.FogAttr - FRAG_ATTRIB_TEX0 + VERT_RESULT_TEX0, WRITEMASK_X); } addArtificialOutputs(compiler); diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c index 6e7361d568..da950d5289 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c @@ -148,6 +148,47 @@ void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_ou } +/** + * Rewrite the program such that a given output is duplicated. + */ +void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output) +{ + unsigned tempreg = rc_find_free_temporary(c); + struct rc_instruction * inst; + + for(inst = c->Program.Instructions.Next; inst != &c->Program.Instructions; inst = inst->Next) { + const unsigned numdsts = _mesa_num_inst_dst_regs(inst->I.Opcode); + + if (numdsts) { + if (inst->I.DstReg.File == PROGRAM_OUTPUT && inst->I.DstReg.Index == output) { + inst->I.DstReg.File = PROGRAM_TEMPORARY; + inst->I.DstReg.Index = tempreg; + } + } + } + + inst = rc_insert_new_instruction(c, c->Program.Instructions.Prev); + inst->I.Opcode = OPCODE_MOV; + inst->I.DstReg.File = PROGRAM_OUTPUT; + inst->I.DstReg.Index = output; + + inst->I.SrcReg[0].File = PROGRAM_TEMPORARY; + inst->I.SrcReg[0].Index = tempreg; + inst->I.SrcReg[0].Swizzle = SWIZZLE_XYZW; + + inst = rc_insert_new_instruction(c, c->Program.Instructions.Prev); + inst->I.Opcode = OPCODE_MOV; + inst->I.DstReg.File = PROGRAM_OUTPUT; + inst->I.DstReg.Index = dup_output; + + inst->I.SrcReg[0].File = PROGRAM_TEMPORARY; + inst->I.SrcReg[0].Index = tempreg; + inst->I.SrcReg[0].Swizzle = SWIZZLE_XYZW; + + c->Program.OutputsWritten |= 1 << dup_output; +} + + /** * Introduce standard code fragment to deal with fragment.position. */ diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h index 34f4240d53..a4ff2ca86a 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h @@ -66,6 +66,7 @@ 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_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask); +void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output); void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input); struct r300_fragment_program_compiler { -- cgit v1.2.3