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Diffstat (limited to 'src/mesa/swrast/s_drawpix.c')
-rw-r--r--src/mesa/swrast/s_drawpix.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 7bab14f200e..4733d10bb59 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -54,7 +54,7 @@ fast_draw_rgba_pixels(GLcontext *ctx, GLint x, GLint y,
{
const GLint imgX = x, imgY = y;
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
- const GLenum rbType = rb->DataType;
+ GLenum rbType;
SWcontext *swrast = SWRAST_CONTEXT(ctx);
SWspan span;
GLboolean simpleZoom;
@@ -62,6 +62,11 @@ fast_draw_rgba_pixels(GLcontext *ctx, GLint x, GLint y,
struct gl_pixelstore_attrib unpack;
GLint destX, destY, drawWidth, drawHeight; /* post clipping */
+ if (!rb)
+ return GL_TRUE; /* no-op */
+
+ rbType = rb->DataType;
+
if ((swrast->_RasterMask & ~CLIP_BIT) ||
ctx->Texture._EnabledCoordUnits ||
userUnpack->SwapBytes ||