diff options
Diffstat (limited to 'src/mesa/main/image.c')
| -rw-r--r-- | src/mesa/main/image.c | 82 |
1 files changed, 77 insertions, 5 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index bf7ec502bf9..4b08c065c4c 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -1,4 +1,4 @@ -/* $Id: image.c,v 1.39 2000/08/31 15:24:07 brianp Exp $ */ +/* $Id: image.c,v 1.40 2000/09/12 21:10:25 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -1305,7 +1305,7 @@ _mesa_pack_float_rgba_span( GLcontext *ctx, } break; case GL_UNSIGNED_SHORT_4_4_4_4: - if (dstFormat == GL_RGB) { + if (dstFormat == GL_RGBA) { GLushort *dst = (GLushort *) dstAddr; for (i=0;i<n;i++) { dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12) @@ -1314,9 +1314,27 @@ _mesa_pack_float_rgba_span( GLcontext *ctx, | (((GLint) (rgba[i][ACOMP] * 15.0F)) ); } } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) << 12) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) ); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 12) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) ); + } + } break; case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if (dstFormat == GL_RGB) { + if (dstFormat == GL_RGBA) { GLushort *dst = (GLushort *) dstAddr; for (i=0;i<n;i++) { dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) ) @@ -1325,9 +1343,27 @@ _mesa_pack_float_rgba_span( GLcontext *ctx, | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); } } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) ) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12); + } + } break; case GL_UNSIGNED_SHORT_5_5_5_1: - if (dstFormat == GL_RGB) { + if (dstFormat == GL_RGBA) { GLushort *dst = (GLushort *) dstAddr; for (i=0;i<n;i++) { dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) @@ -1336,9 +1372,27 @@ _mesa_pack_float_rgba_span( GLcontext *ctx, | (((GLint) (rgba[i][ACOMP] * 1.0F)) ); } } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) + | (((GLint) (rgba[i][RCOMP] * 31.0F)) << 1) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) ); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 6) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 1) + | (((GLint) (rgba[i][RCOMP] * 1.0F)) ); + } + } break; case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (dstFormat == GL_RGB) { + if (dstFormat == GL_RGBA) { GLushort *dst = (GLushort *) dstAddr; for (i=0;i<n;i++) { dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) @@ -1347,6 +1401,24 @@ _mesa_pack_float_rgba_span( GLcontext *ctx, | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); } } + else if (dstFormat == GL_BGRA) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) + | (((GLint) (rgba[i][RCOMP] * 31.0F)) << 10) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); + } + } + else if (dstFormat == GL_ABGR_EXT) { + GLushort *dst = (GLushort *) dstAddr; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) ) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 5) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 10) + | (((GLint) (rgba[i][RCOMP] * 1.0F)) << 15); + } + } break; case GL_UNSIGNED_INT_8_8_8_8: if (dstFormat == GL_RGBA) { |