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| author | Brian Paul <brian.paul@tungstengraphics.com> | 2006-10-12 23:17:02 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2006-10-12 23:17:02 +0000 |
| commit | 76e778dce59aa6f290db50242df945943fc47b05 (patch) | |
| tree | 07ad7bf3d7a54f49e86ff650fc7a9d4ce5d40338 /src/mesa/swrast/s_context.h | |
| parent | 4bb9f4115c4b1930a140da78feff953e80f8a4f5 (diff) | |
Lots of changes to support runtime renderbuffer depths.
_swrast_read_rgba_span() now takes a datatype parameter.
New optimization for glReadPixels(format=GL_RGB).
New glCopyPixels optimization for the simple, common cases.
Diffstat (limited to 'src/mesa/swrast/s_context.h')
| -rw-r--r-- | src/mesa/swrast/s_context.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h index 6ccee5438e..37d7081d4d 100644 --- a/src/mesa/swrast/s_context.h +++ b/src/mesa/swrast/s_context.h @@ -432,6 +432,16 @@ _swrast_validate_derived( GLcontext *ctx ); +/** + * Size of an RGBA pixel, in bytes, for given datatype. + */ +#define RGBA_PIXEL_SIZE(TYPE) \ + ((TYPE == GL_UNSIGNED_BYTE) ? 4 * sizeof(GLubyte) : \ + ((TYPE == GL_UNSIGNED_SHORT) ? 4 * sizeof(GLushort) \ + : 4 * sizeof(GLfloat))) + + + /* * XXX these macros are just bandages for now in order to make * CHAN_BITS==32 compile cleanly. |