diff options
Diffstat (limited to 'src/mesa/swrast/s_context.c')
| -rw-r--r-- | src/mesa/swrast/s_context.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c index abf0008565..f9092c215a 100644 --- a/src/mesa/swrast/s_context.c +++ b/src/mesa/swrast/s_context.c @@ -55,6 +55,7 @@ _swrast_update_rasterflags( GLcontext *ctx ) { SWcontext *swrast = SWRAST_CONTEXT(ctx); GLbitfield rasterMask = 0; + GLuint i; if (ctx->Color.AlphaEnabled) rasterMask |= ALPHATEST_BIT; if (ctx->Color.BlendEnabled) rasterMask |= BLEND_BIT; @@ -63,8 +64,15 @@ _swrast_update_rasterflags( GLcontext *ctx ) if (ctx->Scissor.Enabled) rasterMask |= CLIP_BIT; if (ctx->Stencil._Enabled) rasterMask |= STENCIL_BIT; if (ctx->Visual.rgbMode) { - const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask); - if (colorMask != 0xffffffff) rasterMask |= MASKING_BIT; + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + if (!ctx->Color.ColorMask[i][0] || + !ctx->Color.ColorMask[i][1] || + !ctx->Color.ColorMask[i][2] || + !ctx->Color.ColorMask[i][3]) { + rasterMask |= MASKING_BIT; + break; + } + } if (ctx->Color._LogicOpEnabled) rasterMask |= LOGIC_OP_BIT; if (ctx->Texture._EnabledUnits) rasterMask |= TEXTURE_BIT; } @@ -92,13 +100,23 @@ _swrast_update_rasterflags( GLcontext *ctx ) /* more than one color buffer designated for writing (or zero buffers) */ rasterMask |= MULTI_DRAW_BIT; } - else if (ctx->Visual.rgbMode && *((GLuint *) ctx->Color.ColorMask) == 0) { - rasterMask |= MULTI_DRAW_BIT; /* all RGBA channels disabled */ - } else if (!ctx->Visual.rgbMode && ctx->Color.IndexMask==0) { rasterMask |= MULTI_DRAW_BIT; /* all color index bits disabled */ } + if (ctx->Visual.rgbMode) { + for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) { + if (ctx->Color.ColorMask[i][0] + + ctx->Color.ColorMask[i][1] + + ctx->Color.ColorMask[i][2] + + ctx->Color.ColorMask[i][3] == 0) { + rasterMask |= MULTI_DRAW_BIT; /* all RGBA channels disabled */ + break; + } + } + } + + if (ctx->FragmentProgram._Current) { rasterMask |= FRAGPROG_BIT; } |