diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/colortab.c | 9 | ||||
| -rw-r--r-- | src/mesa/main/convolve.c | 8 | ||||
| -rw-r--r-- | src/mesa/swrast/s_imaging.c | 20 |
3 files changed, 16 insertions, 21 deletions
diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c index fcd54bc5cc..5447eb18ef 100644 --- a/src/mesa/main/colortab.c +++ b/src/mesa/main/colortab.c @@ -543,7 +543,10 @@ _mesa_CopyColorTable(GLenum target, GLenum internalformat, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - /* Select buffer to read from */ + if (!ctx->ReadBuffer->_ColorReadBuffer) { + return; /* no readbuffer - OK */ + } + ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width ); } @@ -556,6 +559,10 @@ _mesa_CopyColorSubTable(GLenum target, GLsizei start, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + if (!ctx->ReadBuffer->_ColorReadBuffer) { + return; /* no readbuffer - OK */ + } + ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width ); } diff --git a/src/mesa/main/convolve.c b/src/mesa/main/convolve.c index 70951112a1..bf6f6619d4 100644 --- a/src/mesa/main/convolve.c +++ b/src/mesa/main/convolve.c @@ -482,6 +482,10 @@ _mesa_CopyConvolutionFilter1D(GLenum target, GLenum internalFormat, GLint x, GLi return; } + if (!ctx->ReadBuffer->_ColorReadBuffer) { + return; /* no readbuffer - OK */ + } + ctx->Driver.CopyConvolutionFilter1D( ctx, target, internalFormat, x, y, width); } @@ -514,6 +518,10 @@ _mesa_CopyConvolutionFilter2D(GLenum target, GLenum internalFormat, GLint x, GLi return; } + if (!ctx->ReadBuffer->_ColorReadBuffer) { + return; /* no readbuffer - OK */ + } + ctx->Driver.CopyConvolutionFilter2D( ctx, target, internalFormat, x, y, width, height ); } diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c index 3578b713f6..5a860a51ba 100644 --- a/src/mesa/swrast/s_imaging.c +++ b/src/mesa/swrast/s_imaging.c @@ -42,11 +42,6 @@ _swrast_CopyColorTable( GLcontext *ctx, GLchan data[MAX_WIDTH][4]; struct gl_buffer_object *bufferSave; - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - if (width > MAX_WIDTH) width = MAX_WIDTH; @@ -76,11 +71,6 @@ _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, GLchan data[MAX_WIDTH][4]; struct gl_buffer_object *bufferSave; - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - if (width > MAX_WIDTH) width = MAX_WIDTH; @@ -111,11 +101,6 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, GLchan rgba[MAX_CONVOLUTION_WIDTH][4]; struct gl_buffer_object *bufferSave; - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - swrast_render_start(ctx); /* read the data from framebuffer */ @@ -147,11 +132,6 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, GLint i; struct gl_buffer_object *bufferSave; - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - swrast_render_start(ctx); /* read pixels from framebuffer */ |