diff options
| author | Zou Nan hai <nanhai.zou@intel.com> | 2007-02-02 09:35:17 +0800 |
|---|---|---|
| committer | Zou Nan hai <nanhai.zou@intel.com> | 2007-02-02 09:35:17 +0800 |
| commit | 2dfb3a217f730d6783fb2ac8b73248dc682f923c (patch) | |
| tree | c3c12719500cf6ddc3bba1c96e11282cccbe5b32 | |
| parent | af1d1e08e40c8c70dfa81e39724be11da94f938d (diff) | |
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.
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_state.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index 3cec6a2ddf..fd11e10652 100644 --- 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) |