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gallium: get rid of unnecessary surface mapping

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This commit is contained in:
Brian Paul 2008-04-18 11:33:42 -06:00
parent e430d885e0
commit 39c06c4336
1 changed files with 5 additions and 7 deletions
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12
src/mesa/state_tracker/st_cb_drawpixels.c
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@ -882,7 +882,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
struct st_renderbuffer *rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer);
struct pipe_surface *psRead = rbRead->surface;
struct pipe_surface *psDraw = rbDraw->surface;
ubyte *readMap, *drawMap;
ubyte *drawMap;
ubyte *buffer;
int i;
@ -892,14 +892,13 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
return;
}
/* map the stencil buffers */
readMap = pipe_surface_map(psRead);
drawMap = pipe_surface_map(psDraw);
/* this will do stencil pixel transfer ops */
st_read_stencil_pixels(ctx, srcx, srcy, width, height, GL_UNSIGNED_BYTE,
&ctx->DefaultPacking, buffer);
/* map the stencil buffer */
drawMap = pipe_surface_map(psDraw);
/* draw */
/* XXX PixelZoom not handled yet */
for (i = 0; i < height; i++) {
@ -937,8 +936,7 @@ copy_stencil_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
free(buffer);
/* unmap the stencil buffers */
pipe_surface_unmap(psRead);
/* unmap the stencil buffer */
pipe_surface_unmap(psDraw);
}