From 0d96ae8fc7c77768b0abb0e7fce7cb9cdc661c2b Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Mon, 4 Apr 2011 18:55:08 +0200 Subject: r300/compiler: apply the texture swizzle to shadow pass and fail values too Piglit tests: - glsl-fs-shadow2d-01 - glsl-fs-shadow2d-02 - glsl-fs-shadow2d-03 - fs-shadow2d-red-01 - fs-shadow2d-red-02 - fs-shadow2d-red-03 NOTE: This is a candidate for the stable branches. --- .../drivers/dri/r300/compiler/radeon_program_tex.c | 28 +++++++++++++++------- 1 file changed, 20 insertions(+), 8 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c index 45b13101770..97225808d4d 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c @@ -32,8 +32,8 @@ /* Series of transformations to be done on textures. */ -static struct rc_src_register shadow_ambient(struct r300_fragment_program_compiler *compiler, - int tmu) +static struct rc_src_register shadow_fail_value(struct r300_fragment_program_compiler *compiler, + int tmu) { struct rc_src_register reg = { 0, }; @@ -46,6 +46,20 @@ static struct rc_src_register shadow_ambient(struct r300_fragment_program_compil reg.File = RC_FILE_NONE; reg.Swizzle = RC_SWIZZLE_0000; } + + reg.Swizzle = combine_swizzles(reg.Swizzle, + compiler->state.unit[tmu].depth_texture_swizzle); + return reg; +} + +static struct rc_src_register shadow_pass_value(struct r300_fragment_program_compiler *compiler, + int tmu) +{ + struct rc_src_register reg = { 0, }; + + reg.File = RC_FILE_NONE; + reg.Swizzle = combine_swizzles(RC_SWIZZLE_1111, + compiler->state.unit[tmu].depth_texture_swizzle); return reg; } @@ -141,10 +155,9 @@ int radeonTransformTEX( inst->U.I.Opcode = RC_OPCODE_MOV; if (comparefunc == RC_COMPARE_FUNC_ALWAYS) { - inst->U.I.SrcReg[0].File = RC_FILE_NONE; - inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_1111; + inst->U.I.SrcReg[0] = shadow_pass_value(compiler, inst->U.I.TexSrcUnit); } else { - inst->U.I.SrcReg[0] = shadow_ambient(compiler, inst->U.I.TexSrcUnit); + inst->U.I.SrcReg[0] = shadow_fail_value(compiler, inst->U.I.TexSrcUnit); } return 1; @@ -244,9 +257,8 @@ int radeonTransformTEX( inst_cmp->U.I.SrcReg[0].Swizzle = combine_swizzles(RC_SWIZZLE_WWWW, compiler->state.unit[inst->U.I.TexSrcUnit].depth_texture_swizzle); - inst_cmp->U.I.SrcReg[pass].File = RC_FILE_NONE; - inst_cmp->U.I.SrcReg[pass].Swizzle = RC_SWIZZLE_1111; - inst_cmp->U.I.SrcReg[fail] = shadow_ambient(compiler, inst->U.I.TexSrcUnit); + inst_cmp->U.I.SrcReg[pass] = shadow_pass_value(compiler, inst->U.I.TexSrcUnit); + inst_cmp->U.I.SrcReg[fail] = shadow_fail_value(compiler, inst->U.I.TexSrcUnit); assert(tmp_texsample != tmp_sum); } -- cgit v1.2.3