From 750c1e7bb4b5caab699d8bce8906b5ca138eac51 Mon Sep 17 00:00:00 2001 From: Andre Maasikas Date: Tue, 5 Jan 2010 13:44:06 +0200 Subject: [PATCH] r600: support depth compare functions & shadow_ambient --- src/mesa/drivers/dri/r600/r600_context.c | 2 ++ src/mesa/drivers/dri/r600/r600_texstate.c | 34 ++++++++++++++++++ src/mesa/drivers/dri/r600/r700_assembler.c | 40 +++++++++++++++++++++- src/mesa/drivers/dri/r600/r700_assembler.h | 2 ++ src/mesa/drivers/dri/r600/r700_fragprog.c | 22 +++++++++++- 5 files changed, 98 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dri/r600/r600_context.c b/src/mesa/drivers/dri/r600/r600_context.c index 45bbc3c071e..8f6264aaa2d 100644 --- a/src/mesa/drivers/dri/r600/r600_context.c +++ b/src/mesa/drivers/dri/r600/r600_context.c @@ -99,6 +99,7 @@ static const struct dri_extension card_extensions[] = { {"GL_ARB_depth_clamp", NULL}, {"GL_ARB_depth_texture", NULL}, {"GL_ARB_fragment_program", NULL}, + {"GL_ARB_fragment_program_shadow", NULL}, {"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions}, {"GL_ARB_multitexture", NULL}, {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, @@ -163,6 +164,7 @@ static const struct dri_extension gl_20_extension[] = { #else {"GL_VERSION_2_0", GL_VERSION_2_0_functions }, #endif /* R600_ENABLE_GLSL_TEST */ + {NULL, NULL} }; static const struct tnl_pipeline_stage *r600_pipeline[] = { diff --git a/src/mesa/drivers/dri/r600/r600_texstate.c b/src/mesa/drivers/dri/r600/r600_texstate.c index 2a4a6e6ee14..937f127e7cd 100644 --- a/src/mesa/drivers/dri/r600/r600_texstate.c +++ b/src/mesa/drivers/dri/r600/r600_texstate.c @@ -626,6 +626,31 @@ static GLboolean r600GetTexFormat(struct gl_texture_object *tObj, gl_format mesa return GL_TRUE; } +static GLuint r600_translate_shadow_func(GLenum func) +{ + switch (func) { + case GL_NEVER: + return SQ_TEX_DEPTH_COMPARE_NEVER; + case GL_LESS: + return SQ_TEX_DEPTH_COMPARE_LESS; + case GL_LEQUAL: + return SQ_TEX_DEPTH_COMPARE_LESSEQUAL; + case GL_GREATER: + return SQ_TEX_DEPTH_COMPARE_GREATER; + case GL_GEQUAL: + return SQ_TEX_DEPTH_COMPARE_GREATEREQUAL; + case GL_NOTEQUAL: + return SQ_TEX_DEPTH_COMPARE_NOTEQUAL; + case GL_EQUAL: + return SQ_TEX_DEPTH_COMPARE_EQUAL; + case GL_ALWAYS: + return SQ_TEX_DEPTH_COMPARE_ALWAYS; + default: + WARN_ONCE("Unknown shadow compare function! %d", func); + return 0; + } +} + void r600SetDepthTexMode(struct gl_texture_object *tObj) { radeonTexObjPtr t; @@ -711,6 +736,15 @@ static void setup_hardware_state(context_t *rmesa, struct gl_texture_object *tex SETfield(t->SQ_TEX_RESOURCE4, 0, BASE_LEVEL_shift, BASE_LEVEL_mask); SETfield(t->SQ_TEX_RESOURCE5, t->maxLod - t->minLod, LAST_LEVEL_shift, LAST_LEVEL_mask); } + if(texObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) + { + SETfield(t->SQ_TEX_SAMPLER0, r600_translate_shadow_func(texObj->CompareFunc), DEPTH_COMPARE_FUNCTION_shift, DEPTH_COMPARE_FUNCTION_mask); + } + else + { + CLEARfield(t->SQ_TEX_SAMPLER0, DEPTH_COMPARE_FUNCTION_mask); + } + } /** diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c index 1ff89e18eaa..0ff16b4dddc 100644 --- a/src/mesa/drivers/dri/r600/r700_assembler.c +++ b/src/mesa/drivers/dri/r600/r700_assembler.c @@ -4397,7 +4397,10 @@ GLboolean assemble_TEX(r700_AssemblerBase *pAsm) pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE_L; break; default: - pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE; + if(pAsm->pILInst[pAsm->uiCurInst].TexShadow == 1) + pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE_C; + else + pAsm->D.dst.opcode = SQ_TEX_INST_SAMPLE; } pAsm->is_tex = GL_TRUE; @@ -4443,11 +4446,46 @@ GLboolean assemble_TEX(r700_AssemblerBase *pAsm) pAsm->S[0].src.swizzlew = SQ_SEL_Y; } + if(pAsm->pILInst[pAsm->uiCurInst].TexShadow == 1) + { + /* compare value goes to w chan ? */ + pAsm->S[0].src.swizzlew = SQ_SEL_Z; + } + if ( GL_FALSE == next_ins(pAsm) ) { return GL_FALSE; } + /* add ARB shadow ambient but clamp to 0..1 */ + if(pAsm->pILInst[pAsm->uiCurInst].TexShadow == 1) + { + /* ADD_SAT dst, dst, ambient[texunit] */ + pAsm->D.dst.opcode = SQ_OP2_INST_ADD; + + if( GL_FALSE == assemble_dst(pAsm) ) + { + return GL_FALSE; + } + pAsm->D2.dst2.SaturateMode = 1; + + pAsm->S[0].src.rtype = pAsm->D.dst.rtype; + pAsm->S[0].src.reg = pAsm->D.dst.reg; + noswizzle_PVSSRC(&(pAsm->S[0].src)); + noneg_PVSSRC(&(pAsm->S[0].src)); + + pAsm->S[1].src.rtype = SRC_REG_CONSTANT; + pAsm->S[1].src.reg = pAsm->shadow_regs[pAsm->pILInst[pAsm->uiCurInst].TexSrcUnit]; + noswizzle_PVSSRC(&(pAsm->S[1].src)); + noneg_PVSSRC(&(pAsm->S[1].src)); + + if( GL_FALSE == next_ins(pAsm) ) + { + return GL_FALSE; + } + + } + return GL_TRUE; } diff --git a/src/mesa/drivers/dri/r600/r700_assembler.h b/src/mesa/drivers/dri/r600/r700_assembler.h index 86342b814f3..56baf5b0d91 100644 --- a/src/mesa/drivers/dri/r600/r700_assembler.h +++ b/src/mesa/drivers/dri/r600/r700_assembler.h @@ -487,6 +487,8 @@ typedef struct r700_AssemblerBase GLuint unVetTexBits; + GLuint shadow_regs[R700_MAX_TEXTURE_UNITS]; + } r700_AssemblerBase; //Internal use diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c index ce2d9fdf79e..84d51e66069 100644 --- a/src/mesa/drivers/dri/r600/r700_fragprog.c +++ b/src/mesa/drivers/dri/r600/r700_fragprog.c @@ -362,8 +362,11 @@ GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp, { GLuint number_of_colors_exported; GLboolean z_enabled = GL_FALSE; - GLuint unBit; + GLuint unBit, shadow_unit; int i; + struct prog_instruction *inst; + gl_state_index shadow_ambient[STATE_LENGTH] + = { STATE_INTERNAL, STATE_SHADOW_AMBIENT, 0, 0, 0}; //Init_Program Init_r700_AssemblerBase( SPT_FP, &(fp->r700AsmCode), &(fp->r700Shader) ); @@ -373,6 +376,23 @@ GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp, insert_wpos_code(ctx, mesa_fp); } + /* add/map consts for ARB_shadow_ambient */ + if(mesa_fp->Base.ShadowSamplers) + { + inst = mesa_fp->Base.Instructions; + for (i = 0; i < mesa_fp->Base.NumInstructions; i++) + { + if(inst->TexShadow == 1) + { + shadow_unit = inst->TexSrcUnit; + shadow_ambient[2] = shadow_unit; + fp->r700AsmCode.shadow_regs[shadow_unit] = + _mesa_add_state_reference(mesa_fp->Base.Parameters, shadow_ambient); + } + inst++; + } + } + Map_Fragment_Program(&(fp->r700AsmCode), mesa_fp, ctx); if( GL_FALSE == Find_Instruction_Dependencies_fp(fp, mesa_fp) ) -- 2.30.2