diff options
Diffstat (limited to 'debian/patches/09_i915_always_enable_pixel_fog.patch')
-rw-r--r-- | debian/patches/09_i915_always_enable_pixel_fog.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/debian/patches/09_i915_always_enable_pixel_fog.patch b/debian/patches/09_i915_always_enable_pixel_fog.patch new file mode 100644 index 00000000000..d1056487051 --- /dev/null +++ b/debian/patches/09_i915_always_enable_pixel_fog.patch @@ -0,0 +1,31 @@ +From: Zou Nan hai <nanhai.zou@intel.com> +Date: Fri, 2 Feb 2007 01:35:17 +0000 (+0800) +Subject: Fix fd.o #9686, when fall into vertex fog, +X-Git-Url: http://gitweb.freedesktop.org/?p=mesa/mesa.git;a=commitdiff;h=2dfb3a217f730d6783fb2ac8b73248dc682f923c + + Fix fd.o #9686, when fall into vertex fog, + fog factors are precomputed in t_vb_fog.c compute_fog_blend_factors, + which is incompatible with appended fragment fog code. + That will make GoogleEarth display abnormally. + always use pixel fog. +--- + +--- a/src/mesa/drivers/dri/i915/i915_state.c ++++ b/src/mesa/drivers/dri/i915/i915_state.c +@@ -611,10 +611,12 @@ void i915_update_fog( GLcontext *ctx ) + i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_FOG_ENABLE; + } + +- if (enabled) { +- _tnl_allow_vertex_fog( ctx, (i915->vertex_fog == I915_FOG_VERTEX) ); +- _tnl_allow_pixel_fog( ctx, (i915->vertex_fog != I915_FOG_VERTEX) ); +- } ++ /* always enbale pixel fog ++ * vertex fog use precaculted fog coord will conflict with appended ++ * fog program ++ */ ++ _tnl_allow_vertex_fog( ctx, 0 ); ++ _tnl_allow_pixel_fog( ctx, 1 ); + } + + static void i915Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *param) |