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| author | marha <marha@users.sourceforge.net> | 2011-10-10 07:52:38 +0200 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-10-10 07:52:38 +0200 |
| commit | afbd3947071a33f59dda122f1ac396442a02c128 (patch) | |
| tree | e3dde5d2973697c24f73488a421327d09a9337c0 /mesalib/src/mesa/main/pack.c | |
| parent | b520df571e0a319eae5231d09f36b98f28b8914a (diff) | |
| download | vcxsrv-afbd3947071a33f59dda122f1ac396442a02c128.tar.gz vcxsrv-afbd3947071a33f59dda122f1ac396442a02c128.tar.bz2 vcxsrv-afbd3947071a33f59dda122f1ac396442a02c128.zip | |
fontconfig libX11 mesa pixman xkeyboard-config git updte 10 oct 2011
Diffstat (limited to 'mesalib/src/mesa/main/pack.c')
| -rw-r--r-- | mesalib/src/mesa/main/pack.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c index 62e352f3f..092e541c5 100644 --- a/mesalib/src/mesa/main/pack.c +++ b/mesalib/src/mesa/main/pack.c @@ -467,6 +467,69 @@ get_type_min_max(GLenum type, GLfloat *min, GLfloat *max) } } +/* + * integer packing , no transfer operations only packs + * to dst of GL_UNSIGNED_INT or GL_INT + */ +void +_mesa_pack_rgba_span_int(struct gl_context *ctx, GLuint n, GLuint rgba[][4], + GLenum dstFormat, GLenum dstType, + GLvoid *dstAddr) +{ + int i; + + switch(dstType) { + case GL_UNSIGNED_INT: { + GLuint *dst = (GLuint *) dstAddr; + switch (dstFormat) { + case GL_RED_INTEGER_EXT: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA_INTEGER_EXT: + case GL_RGB_INTEGER_EXT: + case GL_RGBA_INTEGER_EXT: + case GL_BGR_INTEGER_EXT: + case GL_BGRA_INTEGER_EXT: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = (GLuint) rgba[i][RCOMP]; + dst[i*4+1] = (GLuint) rgba[i][GCOMP]; + dst[i*4+2] = (GLuint) rgba[i][BCOMP]; + dst[i*4+3] = (GLuint) rgba[i][ACOMP]; + } + break; + } + } + break; + case GL_INT: { + GLint *dst = (GLint *) dstAddr; + switch (dstFormat) { + case GL_RED_INTEGER_EXT: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA_INTEGER_EXT: + case GL_RGB_INTEGER_EXT: + case GL_RGBA_INTEGER_EXT: + case GL_BGR_INTEGER_EXT: + case GL_BGRA_INTEGER_EXT: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = (GLint) rgba[i][RCOMP]; + dst[i*4+1] = (GLint) rgba[i][GCOMP]; + dst[i*4+2] = (GLint) rgba[i][BCOMP]; + dst[i*4+3] = (GLint) rgba[i][ACOMP]; + } + break; + } + } + break; + default: + assert(0); + return; + } +} /** |