diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 1999-11-03 18:24:05 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 1999-11-03 18:24:05 +0000 |
| commit | b09a4cd913e2de612fddf5411185a257da35647c (patch) | |
| tree | b7bf496296bbfabf355e68312f8120838f731b3c /src/mesa/main | |
| parent | c3f0a511a725c7b3d3d7d93b1955aaaa2bb32f0d (diff) | |
added another fast-path in _mesa_unpack_ubyte_color_spa(), more comments
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/image.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index 41ce693eb0..075ad16a9c 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -1,4 +1,4 @@ -/* $Id: image.c,v 1.11 1999/11/03 17:27:05 brianp Exp $ */ +/* $Id: image.c,v 1.12 1999/11/03 18:24:05 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -3247,7 +3247,6 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, ASSERT(ctx->Visual->RGBAflag); applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || - ctx->Pixel.MapColorFlag || ctx->Pixel.MapColorFlag); /* Try simple cases first */ @@ -3291,8 +3290,10 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, return; } } - else if (dstFormat == GL_ALPHA && srcFormat == GL_ALPHA) { - MEMCPY( dest, source, n * sizeof(GLubyte) ); + else if (dstFormat == srcFormat) { + GLint comps = gl_components_in_format(srcFormat); + assert(comps > 0); + MEMCPY( dest, source, n * comps * sizeof(GLubyte) ); return; } } @@ -3363,8 +3364,10 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, /* - * XXX this is where more color table lookups, convolution and - * histogram would take place, if implemented. + * XXX This is where more color table lookups, convolution, + * histograms, minmax, color matrix, etc would take place if + * implemented. + * See figure 3.7 in the OpenGL 1.2 specification for more info. */ |