diff options
author | Brian <brian.paul@tungstengraphics.com> | 2008-01-06 18:07:26 -0700 |
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committer | Brian <brian.paul@tungstengraphics.com> | 2008-01-06 18:07:26 -0700 |
commit | 601a6b872c33bfe3cb4ea03a5a8ba5ebe92dedaf (patch) | |
tree | 96730ec79e4a8c0dcbea3bab085ed624213f41fd /src/mesa/drivers/dri/unichrome/via_state.c | |
parent | ff73c783cc47361ff0dd819c82d067b4b85870dd (diff) |
Replace gl_framebuffer's _ColorDrawBufferMask with _ColorDrawBufferIndexes
Each array element is now a BUFFER_x token rather than a BUFFER_BIT_x bitmask.
The number of active color buffers is specified by _NumColorDrawBuffers.
This builds on the previous DrawBuffer changes and will help with drivers
implementing GL_ARB_draw_buffers.
Diffstat (limited to 'src/mesa/drivers/dri/unichrome/via_state.c')
-rw-r--r-- | src/mesa/drivers/dri/unichrome/via_state.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_state.c b/src/mesa/drivers/dri/unichrome/via_state.c index bccdbe9326..d2c528923f 100644 --- a/src/mesa/drivers/dri/unichrome/via_state.c +++ b/src/mesa/drivers/dri/unichrome/via_state.c @@ -656,13 +656,18 @@ static void viaDrawBuffer(GLcontext *ctx, GLenum mode) if (!ctx->DrawBuffer) return; - switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) { - case BUFFER_BIT_FRONT_LEFT: + if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) { + FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_TRUE); + return; + } + + switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) { + case BUFFER_FRONT_LEFT: VIA_FLUSH_DMA(vmesa); vmesa->drawBuffer = &vmesa->front; FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); break; - case BUFFER_BIT_BACK_LEFT: + case BUFFER_BACK_LEFT: VIA_FLUSH_DMA(vmesa); vmesa->drawBuffer = &vmesa->back; FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); |