From c326f9ffae6992ceb499106518f7d8661c50fa81 Mon Sep 17 00:00:00 2001 From: Vladimir Dergachev Date: Thu, 3 Feb 2005 17:48:32 +0000 Subject: Start beginning of pixel shader generator.. --- src/mesa/drivers/dri/r300/r300_context.h | 5 +- src/mesa/drivers/dri/r300/r300_state.c | 107 +++++++++++++++++++++++++++++++ 2 files changed, 111 insertions(+), 1 deletion(-) (limited to 'src/mesa/drivers/dri') diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h index 37c58a0f2f..db708cc10f 100644 --- a/src/mesa/drivers/dri/r300/r300_context.h +++ b/src/mesa/drivers/dri/r300/r300_context.h @@ -59,8 +59,11 @@ typedef struct r300_context *r300ContextPtr; #define WARN_ONCE(a) { \ static int warn##__LINE__=1; \ if(warn##__LINE__){ \ - fprintf(stderr, "%s:%s line %d ***WARN_ONCE*** " a, \ + fprintf(stderr, "*********************************WARN_ONCE*********************************\n"); \ + fprintf(stderr, "File %s function %s line %d\n", \ __FILE__, __FUNCTION__, __LINE__); \ + fprintf(stderr, a);\ + fprintf(stderr, "***************************************************************************\n"); \ warn##__LINE__=0;\ } \ } diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 5a577b2ce3..7a23eddfac 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -1432,6 +1432,112 @@ void r300SetupVertexProgram(r300ContextPtr rmesa) #endif } + +/* just a skeleton for now.. */ +void r300GenerateTexturePixelShader(r300ContextPtr r300) +{ + int i, mtu; + mtu = r300->radeon.glCtx->Const.MaxTextureUnits; + GLenum envMode; + + int tex_inst=0, alu_inst=0; + + for(i=0;istate.render_inputs & (_TNL_BIT_TEX0<radeon.glCtx->Texture.Unit[i].EnvMode; + //fprintf(stderr, "envMode=%s\n", _mesa_lookup_enum_by_nr(envMode)); + + /* Fetch textured pixel */ + + r300->state.pixel_shader.program.tex.inst[tex_inst]=0x00018000; + tex_inst++; + + switch(r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->ModeRGB){ + case GL_REPLACE: + WARN_ONCE("ModeA==GL_REPLACE is possibly broken.\n"); + r300->state.pixel_shader.program.alu.inst[alu_inst].inst0= + EASY_PFS_INSTR0(MAD, SRC0C_XYZ, ONE, ZERO); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst1= + EASY_PFS_INSTR1(0, 0, 0 | PFS_FLAG_CONST, 0 | PFS_FLAG_CONST, NONE, ALL); + break; + case GL_MODULATE: + WARN_ONCE("ModeRGB==GL_MODULATE is possibly broken.\n"); + r300->state.pixel_shader.program.alu.inst[alu_inst].inst0= + EASY_PFS_INSTR0(MAD, SRC0C_XYZ, SRC1C_XYZ, ZERO); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst1= + EASY_PFS_INSTR1(0, 0, 1, 0 | PFS_FLAG_CONST, NONE, ALL); + + break; + default: + fprintf(stderr, "ModeRGB=%s is not implemented yet !\n", + _mesa_lookup_enum_by_nr(r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->ModeRGB)); + /* PFS_NOP */ + r300->state.pixel_shader.program.alu.inst[alu_inst].inst0= + EASY_PFS_INSTR0(MAD, SRC0C_XYZ, ONE, ZERO); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst1= + EASY_PFS_INSTR1(0, 0, 0 | PFS_FLAG_CONST, 0 | PFS_FLAG_CONST, NONE, ALL); + } + switch(r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->ModeA){ + case GL_REPLACE: + WARN_ONCE("ModeA==GL_REPLACE is possibly broken.\n"); + r300->state.pixel_shader.program.alu.inst[alu_inst].inst2= + EASY_PFS_INSTR2(MAD, SRC0A, ONE, ZERO); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst3= + EASY_PFS_INSTR3(0, 0, 0| PFS_FLAG_CONST, 0 | PFS_FLAG_CONST, OUTPUT); + + #if 0 + fprintf(stderr, "numArgsA=%d sourceA[0]=%s op=%d\n", + r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->_NumArgsA, + _mesa_lookup_enum_by_nr(r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->SourceA[0]), + r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->OperandA[0]-GL_SRC_ALPHA); + #endif + break; + case GL_MODULATE: + WARN_ONCE("ModeA==GL_MODULATE is possibly broken.\n"); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst2= + EASY_PFS_INSTR2(MAD, SRC0A, SRC1A, ZERO); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst3= + EASY_PFS_INSTR3(0, 0, 1, 0 | PFS_FLAG_CONST, OUTPUT); + + break; + default: + fprintf(stderr, "ModeA=%s is not implemented yet !\n", + _mesa_lookup_enum_by_nr(r300->radeon.glCtx->Texture.Unit[i]._CurrentCombine->ModeA)); + /* PFS_NOP */ + r300->state.pixel_shader.program.alu.inst[alu_inst].inst2= + EASY_PFS_INSTR2(MAD, SRC0A, ONE, ZERO); + + r300->state.pixel_shader.program.alu.inst[alu_inst].inst3= + EASY_PFS_INSTR3(0, 0, 0 | PFS_FLAG_CONST, 0 | PFS_FLAG_CONST, OUTPUT); + + } + + alu_inst++; + } + + r300->state.pixel_shader.program.tex.length=tex_inst; + r300->state.pixel_shader.program.tex_offset=0; + r300->state.pixel_shader.program.tex_end=tex_inst-1; + + #if 0 + /* saturate last instruction, like i915 driver does */ + r300->state.pixel_shader.program.alu.inst[alu_inst-1].inst0|=R300_FPI0_OUTC_SAT; + r300->state.pixel_shader.program.alu.inst[alu_inst-1].inst2|=R300_FPI2_OUTA_SAT; + #endif + + r300->state.pixel_shader.program.alu.length=alu_inst; + r300->state.pixel_shader.program.alu_offset=0; + r300->state.pixel_shader.program.alu_end=alu_inst-1; +} + void r300SetupPixelShader(r300ContextPtr rmesa) { int i,k; @@ -1441,6 +1547,7 @@ int i,k; /* textures enabled ? */ if(rmesa->state.texture.tc_count>0){ rmesa->state.pixel_shader=SINGLE_TEXTURE_PIXEL_SHADER; + r300GenerateTexturePixelShader(rmesa); } else { rmesa->state.pixel_shader=FLAT_COLOR_PIXEL_SHADER; } -- cgit v1.2.3