diff options
| -rw-r--r-- | src/mesa/drivers/dri/i915/i830_texblend.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i915/i830_texblend.c b/src/mesa/drivers/dri/i915/i830_texblend.c index 236be59e239..feea38379da 100644 --- a/src/mesa/drivers/dri/i915/i830_texblend.c +++ b/src/mesa/drivers/dri/i915/i830_texblend.c @@ -136,7 +136,7 @@ i830SetTexEnvCombine(struct i830_context * i830, GLuint texel_op, GLuint * state, const GLfloat * factor) { const GLuint numColorArgs = combine->_NumArgsRGB; - const GLuint numAlphaArgs = combine->_NumArgsA; + GLuint numAlphaArgs = combine->_NumArgsA; GLuint blendop; GLuint ablendop; @@ -209,7 +209,7 @@ i830SetTexEnvCombine(struct i830_context * i830, break; case GL_DOT3_RGBA_EXT: case GL_DOT3_RGBA: - blendop = TEXBLENDOP_DOT3; + blendop = TEXBLENDOP_DOT4; break; default: return pass_through(state, blendUnit); @@ -273,6 +273,7 @@ i830SetTexEnvCombine(struct i830_context * i830, if (combine->ModeRGB == GL_DOT3_RGBA_EXT || combine->ModeRGB == GL_DOT3_RGBA) { ablendop = TEXBLENDOP_DOT4; + numAlphaArgs = 2; args_A[0] = TEXBLENDARG_FACTOR; /* the global factor */ args_A[1] = TEXBLENDARG_FACTOR; args_A[2] = TEXBLENDARG_FACTOR; |