From: Nicolai Haehnle Date: Sun, 27 Jul 2008 19:31:49 +0000 (+0200) Subject: r300: Implement ARB_shadow_ambient; add STATE_SHADOW_AMBIENT X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c117d0efd28887069607f405be99fbc09fcb4cab;p=mesa.git r300: Implement ARB_shadow_ambient; add STATE_SHADOW_AMBIENT --- diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c index a9c581b236e..fcf571d2060 100644 --- a/src/mesa/drivers/dri/r300/r300_context.c +++ b/src/mesa/drivers/dri/r300/r300_context.c @@ -101,6 +101,7 @@ const struct dri_extension card_extensions[] = { {"GL_ARB_multitexture", NULL}, {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions}, {"GL_ARB_shadow", NULL}, + {"GL_ARB_shadow_ambient", NULL}, {"GL_ARB_texture_border_clamp", NULL}, {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions}, {"GL_ARB_texture_cube_map", NULL}, diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c index d390de54b8a..453dda74312 100644 --- a/src/mesa/drivers/dri/r300/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/r300_fragprog.c @@ -58,6 +58,20 @@ static void reset_srcreg(struct prog_src_register* reg) reg->Swizzle = SWIZZLE_NOOP; } +static struct prog_src_register shadow_ambient(struct gl_program *program, 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.Swizzle = SWIZZLE_WWWW; + return reg; +} + /** * Transform TEX, TXP, TXB, and KIL instructions in the following way: * - premultiply texture coordinates for RECT @@ -92,8 +106,12 @@ static GLboolean transform_TEX( tgt->Opcode = OPCODE_MOV; tgt->DstReg = inst.DstReg; - tgt->SrcReg[0].File = PROGRAM_BUILTIN; - tgt->SrcReg[0].Swizzle = comparefunc == GL_ALWAYS ? SWIZZLE_1111 : SWIZZLE_0000; + if (comparefunc == GL_ALWAYS) { + tgt->SrcReg[0].File = PROGRAM_BUILTIN; + tgt->SrcReg[0].Swizzle = SWIZZLE_1111; + } else { + tgt->SrcReg[0] = shadow_ambient(t->Program, inst.TexSrcUnit); + } return GL_TRUE; } @@ -153,6 +171,7 @@ static GLboolean transform_TEX( GLuint comparefunc = GL_NEVER + compiler->fp->state.unit[inst.TexSrcUnit].texture_compare_func; GLuint depthmode = compiler->fp->state.unit[inst.TexSrcUnit].depth_texture_mode; int rcptemp = radeonFindFreeTemporary(t); + int pass, fail; tgt = radeonAppendInstructions(t->Program, 3); @@ -190,16 +209,18 @@ static GLboolean transform_TEX( tgt[2].DstReg = orig_inst->DstReg; tgt[2].SrcReg[0].File = PROGRAM_TEMPORARY; tgt[2].SrcReg[0].Index = tgt[1].DstReg.Index; - tgt[2].SrcReg[1].File = PROGRAM_BUILTIN; - tgt[2].SrcReg[2].File = PROGRAM_BUILTIN; if (comparefunc == GL_LESS || comparefunc == GL_GREATER) { - tgt[2].SrcReg[1].Swizzle = SWIZZLE_1111; - tgt[2].SrcReg[2].Swizzle = SWIZZLE_0000; + pass = 1; + fail = 2; } else { - tgt[2].SrcReg[1].Swizzle = SWIZZLE_0000; - tgt[2].SrcReg[2].Swizzle = SWIZZLE_1111; + pass = 2; + fail = 1; } + + 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); diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index 3fbdb30acff..a84ba13c121 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -31,6 +31,20 @@ #include "radeon_program_alu.h" +static struct prog_src_register shadow_ambient(struct gl_program *program, 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.Swizzle = SWIZZLE_WWWW; + return reg; +} + /** * Transform TEX, TXP, TXB, and KIL instructions in the following way: * - premultiply texture coordinates for RECT @@ -63,11 +77,13 @@ static GLboolean transform_TEX( tgt = radeonAppendInstructions(t->Program, 1); tgt->Opcode = OPCODE_MOV; - tgt->DstReg.File = inst.DstReg.File; - tgt->DstReg.Index = inst.DstReg.Index; - tgt->DstReg.WriteMask = inst.DstReg.WriteMask; - tgt->SrcReg[0].File = PROGRAM_BUILTIN; - tgt->SrcReg[0].Swizzle = comparefunc == GL_ALWAYS ? SWIZZLE_1111 : SWIZZLE_0000; + tgt->DstReg = inst.DstReg; + if (comparefunc == GL_ALWAYS) { + tgt->SrcReg[0].File = PROGRAM_BUILTIN; + tgt->SrcReg[0].Swizzle = SWIZZLE_1111; + } else { + tgt->SrcReg[0] = shadow_ambient(t->Program, inst.TexSrcUnit); + } return GL_TRUE; } @@ -91,6 +107,7 @@ static GLboolean transform_TEX( GLuint comparefunc = GL_NEVER + compiler->fp->state.unit[inst.TexSrcUnit].texture_compare_func; GLuint depthmode = compiler->fp->state.unit[inst.TexSrcUnit].depth_texture_mode; int rcptemp = radeonFindFreeTemporary(t); + int pass, fail; tgt = radeonAppendInstructions(t->Program, 3); @@ -128,16 +145,18 @@ static GLboolean transform_TEX( tgt[2].DstReg = orig_inst->DstReg; tgt[2].SrcReg[0].File = PROGRAM_TEMPORARY; tgt[2].SrcReg[0].Index = tgt[1].DstReg.Index; - tgt[2].SrcReg[1].File = PROGRAM_BUILTIN; - tgt[2].SrcReg[2].File = PROGRAM_BUILTIN; if (comparefunc == GL_LESS || comparefunc == GL_GREATER) { - tgt[2].SrcReg[1].Swizzle = SWIZZLE_1111; - tgt[2].SrcReg[2].Swizzle = SWIZZLE_0000; + pass = 1; + fail = 2; } else { - tgt[2].SrcReg[1].Swizzle = SWIZZLE_0000; - tgt[2].SrcReg[2].Swizzle = SWIZZLE_1111; + pass = 2; + fail = 1; } + + 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); diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c index 539057b4382..e446e1c4197 100644 --- a/src/mesa/shader/prog_statevars.c +++ b/src/mesa/shader/prog_statevars.c @@ -132,7 +132,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], ADD_3V(value, p, eye_z); NORMALIZE_3FV(value); value[3] = 1.0; - } + } return; case STATE_POSITION_NORMALIZED: COPY_4V(value, ctx->Light.Light[ln].EyePosition); @@ -240,11 +240,11 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], } } case STATE_TEXENV_COLOR: - { + { /* state[1] is the texture unit */ const GLuint unit = (GLuint) state[1]; COPY_4V(value, ctx->Texture.Unit[unit].EnvColor); - } + } return; case STATE_FOG_COLOR: COPY_4V(value, ctx->Fog.Color); @@ -374,7 +374,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], } } return; - + case STATE_VERTEX_PROGRAM: { /* state[1] = {STATE_ENV, STATE_LOCAL} */ @@ -458,6 +458,20 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[], case STATE_PCM_BIAS: COPY_4V(value, ctx->Pixel.PostColorMatrixBias); break; + case STATE_SHADOW_AMBIENT: + { + const int unit = (int) state[2]; + const struct gl_texture_object *texObj + = ctx->Texture.Unit[unit]._Current; + if (texObj) { + value[0] = texObj->ShadowAmbient; + value[1] = texObj->ShadowAmbient; + value[2] = texObj->ShadowAmbient; + value[3] = texObj->ShadowAmbient; + } + } + return; + default: /* unknown state indexes are silently ignored * should be handled by the driver. @@ -532,6 +546,7 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]) case STATE_INTERNAL: switch (state[1]) { case STATE_TEXRECT_SCALE: + case STATE_SHADOW_AMBIENT: return _NEW_TEXTURE; case STATE_FOG_PARAMS_OPTIMIZED: return _NEW_FOG; @@ -711,6 +726,9 @@ append_token(char *dst, gl_state_index k) case STATE_PCM_BIAS: append(dst, "PCMbias"); break; + case STATE_SHADOW_AMBIENT: + append(dst, "ShadowAmbient"); + break; default: ; } @@ -861,7 +879,7 @@ _mesa_load_state_parameters(GLcontext *ctx, for (i = 0; i < paramList->NumParameters; i++) { if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) { - _mesa_fetch_state(ctx, + _mesa_fetch_state(ctx, (gl_state_index *) paramList->Parameters[i].StateIndexes, paramList->ParameterValues[i]); } diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h index 64820a5b681..da75ca77a14 100644 --- a/src/mesa/shader/prog_statevars.h +++ b/src/mesa/shader/prog_statevars.h @@ -77,7 +77,7 @@ typedef enum gl_state_index_ { STATE_SPECULAR, STATE_EMISSION, STATE_SHININESS, - STATE_HALF_VECTOR, + STATE_HALF_VECTOR, STATE_POSITION, STATE_ATTENUATION, @@ -94,7 +94,7 @@ typedef enum gl_state_index_ { STATE_TEXGEN_OBJECT_Q, STATE_TEXENV_COLOR, - + STATE_DEPTH_RANGE, STATE_VERTEX_PROGRAM, @@ -113,6 +113,7 @@ typedef enum gl_state_index_ { STATE_PT_BIAS, /**< Pixel transfer RGBA bias */ STATE_PCM_SCALE, /**< Post color matrix RGBA scale */ STATE_PCM_BIAS, /**< Post color matrix RGBA bias */ + STATE_SHADOW_AMBIENT, /**< ARB_shadow_ambient fail value; token[2] is texture unit index */ STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */ } gl_state_index;