diff options
author | Nicolai Haehnle <nhaehnle@gmail.com> | 2008-07-27 21:31:49 +0200 |
---|---|---|
committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2008-07-27 21:31:49 +0200 |
commit | c117d0efd28887069607f405be99fbc09fcb4cab (patch) | |
tree | dd49a5be33daa2cb5bfbab1280680714949c5d05 /src/mesa/drivers/dri/r300 | |
parent | e88be7d375032fbddb34a77debe6604fa029492c (diff) |
r300: Implement ARB_shadow_ambient; add STATE_SHADOW_AMBIENT
Diffstat (limited to 'src/mesa/drivers/dri/r300')
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_context.c | 1 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/r300_fragprog.c | 37 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 41 |
3 files changed, 60 insertions, 19 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c index a9c581b236..fcf571d206 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 d390de54b8..453dda7431 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 3fbdb30acf..a84ba13c12 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); |