diff options
author | Keith Whitwell <[email protected]> | 2009-10-26 00:20:33 +0000 |
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committer | Keith Whitwell <[email protected]> | 2009-10-26 00:20:33 +0000 |
commit | 09c231f84a20a306a173b60c82484ce1f9331edf (patch) | |
tree | 1faaa20dc34e1d2b019f14c8ea0accd5ce558808 /src/gallium/drivers/i965/brw_pipe_sampler.c | |
parent | 590949553f737902008dea020420311e2085aa1a (diff) |
i965g: still working on compilation
Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_sampler.c')
-rw-r--r-- | src/gallium/drivers/i965/brw_pipe_sampler.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_sampler.c b/src/gallium/drivers/i965/brw_pipe_sampler.c index b3069f08c00..bc20eef6fb2 100644 --- a/src/gallium/drivers/i965/brw_pipe_sampler.c +++ b/src/gallium/drivers/i965/brw_pipe_sampler.c @@ -14,6 +14,87 @@ static void *brw_create_sampler_state( struct pipe_context *pipe, { struct brw_sampler_state *sampler = CALLOC_STRUCT(brw_sampler_state); + switch (key->minfilter) { + case GL_NEAREST: + sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; + sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; + break; + case GL_LINEAR: + sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; + sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; + break; + case GL_NEAREST_MIPMAP_NEAREST: + sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; + sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; + break; + case GL_LINEAR_MIPMAP_NEAREST: + sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; + sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; + break; + case GL_NEAREST_MIPMAP_LINEAR: + sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; + sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; + break; + case GL_LINEAR_MIPMAP_LINEAR: + sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; + sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; + break; + default: + break; + } + + /* Set Anisotropy: + */ + if (key->max_aniso > 1.0) { + sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC; + sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC; + + if (key->max_aniso > 2.0) { + sampler->ss3.max_aniso = MIN2((key->max_aniso - 2) / 2, + BRW_ANISORATIO_16); + } + } + else { + switch (key->magfilter) { + case GL_NEAREST: + sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST; + break; + case GL_LINEAR: + sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR; + break; + default: + break; + } + } + + sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r); + sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s); + sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t); + + /* Set LOD bias: + */ + sampler->ss0.lod_bias = S_FIXED(CLAMP(key->lod_bias, -16, 15), 6); + + sampler->ss0.lod_preclamp = 1; /* OpenGL mode */ + sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */ + + /* Set shadow function: + */ + if (key->comparemode == GL_COMPARE_R_TO_TEXTURE_ARB) { + /* Shadowing is "enabled" by emitting a particular sampler + * message (sample_c). So need to recompile WM program when + * shadow comparison is enabled on each/any texture unit. + */ + sampler->ss0.shadow_function = + intel_translate_shadow_compare_func(key->comparefunc); + } + + /* Set BaseMipLevel, MaxLOD, MinLOD: + */ + sampler->ss0.base_level = U_FIXED(0, 1); + + sampler->ss1.max_lod = U_FIXED(MIN2(MAX2(key->maxlod, 0), 13), 6); + sampler->ss1.min_lod = U_FIXED(MIN2(MAX2(key->minlod, 0), 13), 6); return (void *)sampler; } |