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authorBrian Paul <brian.paul@tungstengraphics.com>2008-12-17 18:59:58 -0700
committerBrian Paul <brian.paul@tungstengraphics.com>2008-12-17 18:59:58 -0700
commit3ffd529ff19bf8dd7b022a267bf2afe44c7f0f65 (patch)
treee2e6059016cd83dd1af7d80a7cd6ca2965192617 /src/gallium/drivers/softpipe/sp_tex_sample.h
parentd1c8af7c0a18340fdde45ade6f612939a3c8e62a (diff)
softpipe: fix vertex shader texture sampling
Need to disable/bypass lambda calculation since derivatives of texcoords are meaningless for adjacent vertices.
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_tex_sample.h')
-rw-r--r--src/gallium/drivers/softpipe/sp_tex_sample.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tex_sample.h b/src/gallium/drivers/softpipe/sp_tex_sample.h
index f0a8a78778..40d8eb2c2a 100644
--- a/src/gallium/drivers/softpipe/sp_tex_sample.h
+++ b/src/gallium/drivers/softpipe/sp_tex_sample.h
@@ -54,12 +54,20 @@ sp_shader_sampler(const struct tgsi_sampler *sampler)
extern void
-sp_get_samples(struct tgsi_sampler *sampler,
- const float s[QUAD_SIZE],
- const float t[QUAD_SIZE],
- const float p[QUAD_SIZE],
- float lodbias,
- float rgba[NUM_CHANNELS][QUAD_SIZE]);
+sp_get_samples_fragment(struct tgsi_sampler *tgsi_sampler,
+ const float s[QUAD_SIZE],
+ const float t[QUAD_SIZE],
+ const float p[QUAD_SIZE],
+ float lodbias,
+ float rgba[NUM_CHANNELS][QUAD_SIZE]);
+
+extern void
+sp_get_samples_vertex(struct tgsi_sampler *tgsi_sampler,
+ const float s[QUAD_SIZE],
+ const float t[QUAD_SIZE],
+ const float p[QUAD_SIZE],
+ float lodbias,
+ float rgba[NUM_CHANNELS][QUAD_SIZE]);
#endif /* SP_TEX_SAMPLE_H */