From 78e881368b392d8a6945990c20493560fcd73231 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sat, 8 May 2010 05:59:28 +0200 Subject: [PATCH] r300g: respect compare mode regardless of sampler type --- src/gallium/drivers/r300/r300_fs.c | 2 ++ src/mesa/drivers/dri/r300/compiler/radeon_code.h | 6 ++++++ src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c | 3 ++- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c index 5173e2cf6d0..19023457bf3 100644 --- a/src/gallium/drivers/r300/r300_fs.c +++ b/src/gallium/drivers/r300/r300_fs.c @@ -146,6 +146,8 @@ static void get_external_state( } if (s->state.compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { + state->unit[i].compare_mode_enabled = 1; + /* XXX Gallium doesn't provide us with any information regarding * this mode, so we are screwed. Let's set INTENSITY for now. */ state->unit[i].depth_texture_swizzle = RC_SWIZZLE_XYZW; diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_code.h b/src/mesa/drivers/dri/r300/compiler/radeon_code.h index 17703a9ad38..1979e7e4e49 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_code.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_code.h @@ -143,6 +143,12 @@ struct r300_fragment_program_external_state { */ unsigned texture_compare_func : 3; + /** + * No matter what the sampler type is, + * this field turns it into a shadow sampler. + */ + unsigned compare_mode_enabled : 1; + /** * If the sampler needs to fake NPOT, this field is set. */ 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 53154f7fbb8..42c08cd5505 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_tex.c @@ -97,7 +97,8 @@ int radeonTransformTEX( /* ARB_shadow & EXT_shadow_funcs */ if (inst->U.I.Opcode != RC_OPCODE_KIL && - c->Program.ShadowSamplers & (1 << inst->U.I.TexSrcUnit)) { + ((c->Program.ShadowSamplers & (1 << inst->U.I.TexSrcUnit)) || + (compiler->state.unit[inst->U.I.TexSrcUnit].compare_mode_enabled))) { rc_compare_func comparefunc = compiler->state.unit[inst->U.I.TexSrcUnit].texture_compare_func; if (comparefunc == RC_COMPARE_FUNC_NEVER || comparefunc == RC_COMPARE_FUNC_ALWAYS) { -- 2.30.2