diff options
Diffstat (limited to 'src/mesa/drivers/dri/r600/r600_texstate.c')
| -rw-r--r-- | src/mesa/drivers/dri/r600/r600_texstate.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r600/r600_texstate.c b/src/mesa/drivers/dri/r600/r600_texstate.c index 2a4a6e6ee1..937f127e7c 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); + } + } /** |