diff options
Diffstat (limited to 'src/mesa/main/clear.c')
| -rw-r--r-- | src/mesa/main/clear.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mesa/main/clear.c b/src/mesa/main/clear.c index 434685984d1..63388f42ee4 100644 --- a/src/mesa/main/clear.c +++ b/src/mesa/main/clear.c @@ -138,7 +138,9 @@ _mesa_Clear( GLbitfield mask ) return; } - if (ctx->DrawBuffer->Width == 0 || ctx->DrawBuffer->Height == 0) + if (ctx->DrawBuffer->Width == 0 || ctx->DrawBuffer->Height == 0 || + ctx->DrawBuffer->_Xmin >= ctx->DrawBuffer->_Xmax || + ctx->DrawBuffer->_Ymin >= ctx->DrawBuffer->_Ymax) return; if (ctx->RenderMode == GL_RENDER) { @@ -155,7 +157,10 @@ _mesa_Clear( GLbitfield mask ) */ bufferMask = 0; if (mask & GL_COLOR_BUFFER_BIT) { - bufferMask |= ctx->DrawBuffer->_ColorDrawBufferMask[0]; + GLuint i; + for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) { + bufferMask |= (1 << ctx->DrawBuffer->_ColorDrawBufferIndexes[i]); + } } if ((mask & GL_DEPTH_BUFFER_BIT) |