diff options
| author | Eric Anholt <[email protected]> | 2015-01-11 15:30:39 +1300 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-01-11 17:17:20 +1300 |
| commit | ff1948a1be42196cfb3087593606f8e2bb947ac3 (patch) | |
| tree | 4e6ba0fc11d79e5a5b5a0bbe5341b91aa356a124 | |
| parent | 1519a1928a6009904359d2de188c65632385f401 (diff) | |
vc4: Clamp the inputs to the blend equation to [0, 1].
Fixes the remaining ARB_color_buffer_float rendering tests.
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 2b546eeb433..ff2bdf2099d 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -1596,6 +1596,15 @@ vc4_blend(struct vc4_compile *c, struct qreg *result, return; } + struct qreg clamped_src[4]; + struct qreg clamped_dst[4]; + for (int i = 0; i < 4; i++) { + clamped_src[i] = qir_SAT(c, src_color[i]); + clamped_dst[i] = qir_SAT(c, dst_color[i]); + } + src_color = clamped_src; + dst_color = clamped_dst; + struct qreg src_blend[4], dst_blend[4]; for (int i = 0; i < 3; i++) { src_blend[i] = vc4_blend_channel(c, @@ -2793,7 +2802,7 @@ vc4_write_uniforms(struct vc4_context *vc4, struct vc4_compiled_shader *shader, case QUNIFORM_BLEND_CONST_COLOR: cl_aligned_f(&vc4->uniforms, - vc4->blend_color.color[uinfo->data[i]]); + CLAMP(vc4->blend_color.color[uinfo->data[i]], 0, 1)); break; case QUNIFORM_STENCIL: |