diff options
Diffstat (limited to 'src/mesa/main/attrib.c')
| -rw-r--r-- | src/mesa/main/attrib.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c index 246c5521b7d..88ce0a4281b 100644 --- a/src/mesa/main/attrib.c +++ b/src/mesa/main/attrib.c @@ -499,7 +499,12 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable) } TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST); - TEST_AND_UPDATE(ctx->Color.BlendEnabled, enable->Blend, GL_BLEND); + if (ctx->Color.BlendEnabled != enable->Blend) { + GLuint i; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + _mesa_set_enablei(ctx, GL_BLEND, i, (enable->Blend >> i) & 1); + } + } for (i=0;i<MAX_CLIP_PLANES;i++) { const GLuint mask = 1 << i; @@ -906,6 +911,7 @@ _mesa_PopAttrib(void) case GL_COLOR_BUFFER_BIT: { const struct gl_colorbuffer_attrib *color; + color = (const struct gl_colorbuffer_attrib *) attr->data; _mesa_ClearIndex((GLfloat) color->ClearIndex); _mesa_ClearColor(color->ClearColor[0], @@ -948,7 +954,13 @@ _mesa_PopAttrib(void) } _mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled); _mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef); - _mesa_set_enable(ctx, GL_BLEND, color->BlendEnabled); + if (ctx->Color.BlendEnabled != color->BlendEnabled) { + GLuint i; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + _mesa_set_enablei(ctx, GL_BLEND, i, + (color->BlendEnabled >> i) & 1); + } + } _mesa_BlendFuncSeparateEXT(color->BlendSrcRGB, color->BlendDstRGB, color->BlendSrcA, |