diff options
| author | Brian <[email protected]> | 2006-12-16 11:17:41 -0700 |
|---|---|---|
| committer | Brian <[email protected]> | 2006-12-16 11:17:41 -0700 |
| commit | b497a0cb7c607bfad3389c6831de0dfdc37ee5af (patch) | |
| tree | 57494176fb5c0ce0a009d79ca3f62dc0200a3f0e /src/mesa/swrast/s_arbshader.c | |
| parent | 6ec4a03b9fef4903b30bd0c9bfb43c2f32c98191 (diff) | |
Don't update span->array->z[] values from SLANG_FRAGMENT_FIXED_FRAGDEPTH.
This restores the behaviour of Mesa 6.5.1, fixing a regression in 6.5.2.
See bug 9345. Revisit someday...
Diffstat (limited to 'src/mesa/swrast/s_arbshader.c')
| -rw-r--r-- | src/mesa/swrast/s_arbshader.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/mesa/swrast/s_arbshader.c b/src/mesa/swrast/s_arbshader.c index ee971a36ecc..356e43c8198 100644 --- a/src/mesa/swrast/s_arbshader.c +++ b/src/mesa/swrast/s_arbshader.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.6 + * Version: 6.5.3 * * Copyright (C) 2006 Brian Paul All Rights Reserved. * @@ -103,18 +103,20 @@ _swrast_exec_arbshader(GLcontext *ctx, SWspan *span) span->writeAll = GL_FALSE; } else { + GLboolean zWritten = GL_FALSE; /* temp hack (bug 9345) */ (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGCOLOR, vec, 0, 4 * sizeof(GLfloat), GL_FALSE); COPY_4V(span->array->color.sz4.rgba[i], vec); - - (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGDEPTH, vec, 0, - sizeof (GLfloat), GL_FALSE); - if (vec[0] <= 0.0f) - span->array->z[i] = 0; - else if (vec[0] >= 1.0f) - span->array->z[i] = ctx->DrawBuffer->_DepthMax; - else - span->array->z[i] = IROUND(vec[0] * ctx->DrawBuffer->_DepthMaxF); + if (zWritten) { + (**pro).UpdateFixedVarying(pro, SLANG_FRAGMENT_FIXED_FRAGDEPTH, + vec, 0, sizeof (GLfloat), GL_FALSE); + if (vec[0] <= 0.0f) + span->array->z[i] = 0; + else if (vec[0] >= 1.0f) + span->array->z[i] = ctx->DrawBuffer->_DepthMax; + else + span->array->z[i] = IROUND(vec[0] * ctx->DrawBuffer->_DepthMaxF); + } } } } |