diff options
author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-03-21 13:43:07 -0600 |
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committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-03-21 13:43:07 -0600 |
commit | ff938bf059a41a9bdf4c2c93cebe4a3b8a89c201 (patch) | |
tree | 217262bef9a78fafab75ac3f7953b607ce87c4c8 /src/mesa/swrast/s_drawpix.c | |
parent | c80a380ebb58c15db87309d466ef57fb006b40ae (diff) |
add a number of PBO validate/map/unmap functions
Helper functions for (some) drivers, including swrast.
cherry-picked from Mesa/master
Diffstat (limited to 'src/mesa/swrast/s_drawpix.c')
-rw-r--r-- | src/mesa/swrast/s_drawpix.c | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c index 0cf425e1c6..2cf3501274 100644 --- a/src/mesa/swrast/s_drawpix.c +++ b/src/mesa/swrast/s_drawpix.c @@ -812,7 +812,6 @@ draw_depth_stencil_pixels(GLcontext *ctx, GLint x, GLint y, } - /** * Execute software-based glDrawPixels. * By time we get here, all error checking will have been done. @@ -835,25 +834,10 @@ _swrast_DrawPixels( GLcontext *ctx, if (swrast->NewState) _swrast_validate_derived( ctx ); - if (unpack->BufferObj->Name) { - /* unpack from PBO */ - GLubyte *buf; - if (!_mesa_validate_pbo_access(2, unpack, width, height, 1, - format, type, pixels)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glDrawPixels(invalid PBO access)"); - goto end; - } - buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - GL_READ_ONLY_ARB, - unpack->BufferObj); - if (!buf) { - /* buffer is already mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels(PBO is mapped)"); - goto end; - } - pixels = ADD_POINTERS(buf, pixels); - } + pixels = _mesa_validate_and_map_drawpix_pbo(ctx, x, y, width, height, + format, type, unpack, pixels); + if (!pixels) + return; switch (format) { case GL_STENCIL_INDEX: @@ -894,11 +878,7 @@ end: RENDER_FINISH(swrast,ctx); - if (unpack->BufferObj->Name) { - /* done with PBO so unmap it now */ - ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, - unpack->BufferObj); - } + _mesa_unmap_drapix_pbo(ctx, unpack); } |