diff options
Diffstat (limited to 'src/mesa/main/image.c')
| -rw-r--r-- | src/mesa/main/image.c | 1546 |
1 files changed, 786 insertions, 760 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index 4f8faf8366e..0d4b2ef525c 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -1,4 +1,4 @@ -/* $Id: image.c,v 1.37 2000/08/29 14:25:30 brianp Exp $ */ +/* $Id: image.c,v 1.38 2000/08/30 18:21:37 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -633,16 +633,13 @@ _mesa_pack_rgba_span( GLcontext *ctx, } else { /* general solution */ - GLfloat rgba[MAX_WIDTH][4], luminance[MAX_WIDTH]; + GLfloat rgba[MAX_WIDTH][4]; const GLfloat rscale = 1.0F / 255.0F; const GLfloat gscale = 1.0F / 255.0F; const GLfloat bscale = 1.0F / 255.0F; const GLfloat ascale = 1.0F / 255.0F; - const GLint comps = _mesa_components_in_format(format); GLuint i; - assert(n <= MAX_WIDTH); - /* convert color components to floating point */ for (i=0;i<n;i++) { rgba[i][RCOMP] = srcRgba[i][RCOMP] * rscale; @@ -650,792 +647,821 @@ _mesa_pack_rgba_span( GLcontext *ctx, rgba[i][BCOMP] = srcRgba[i][BCOMP] * bscale; rgba[i][ACOMP] = srcRgba[i][ACOMP] * ascale; } + _mesa_pack_float_rgba_span(ctx, n, (const GLfloat (*)[4]) rgba, + format, type, destination, + packing, transferOps); + } +} - /* - * Apply scale, bias and lookup-tables if enabled. - */ - if (transferOps) { - /* scale & bias */ - if (transferOps & IMAGE_SCALE_BIAS_BIT) { - _mesa_scale_and_bias_rgba( ctx, n, rgba ); - } - /* color map lookup */ - if (transferOps & IMAGE_MAP_COLOR_BIT) { - _mesa_map_rgba( ctx, n, rgba ); - } - /* GL_COLOR_TABLE lookup */ - if (transferOps & IMAGE_COLOR_TABLE_BIT) { - _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); - } - /* convolution */ - if (transferOps & IMAGE_CONVOLUTION_BIT) { - /* this has to be done in the calling code */ - } - /* GL_POST_CONVOLUTION_COLOR_TABLE lookup */ - if (transferOps & IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT) { - _mesa_lookup_rgba(&ctx->PostConvolutionColorTable, n, rgba); - } - /* color matrix transform */ - if (transferOps & IMAGE_COLOR_MATRIX_BIT) { - _mesa_transform_rgba(ctx, n, rgba); - } - /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ - if (transferOps & IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT) { - _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); - } - /* update histogram count */ - if (transferOps & IMAGE_HISTOGRAM_BIT) { - _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba); - } - /* min/max here */ - if (transferOps & IMAGE_MIN_MAX_BIT) { - _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba); - if (ctx->MinMax.Sink) - return; - } + +void +_mesa_pack_float_rgba_span( GLcontext *ctx, + GLuint n, CONST GLfloat rgbaIn[][4], + GLenum format, GLenum type, GLvoid *destination, + const struct gl_pixelstore_attrib *packing, + GLuint transferOps ) +{ + const GLint comps = _mesa_components_in_format(format); + GLfloat luminance[MAX_WIDTH]; + GLfloat (*rgba)[4]; + GLuint i; + + if (transferOps) { + /* make copy of incoming data */ + GLfloat rgbaCopy[MAX_WIDTH][4]; + for (i = 0; i < n; i++) { + rgbaCopy[i][0] = rgbaIn[i][0]; + rgbaCopy[i][1] = rgbaIn[i][1]; + rgbaCopy[i][2] = rgbaIn[i][2]; + rgbaCopy[i][3] = rgbaIn[i][3]; } - /* XXX clamp rgba to [0,1]? */ + rgba = (GLfloat (*)[4]) rgbaCopy; + /* scale & bias */ + if (transferOps & IMAGE_SCALE_BIAS_BIT) { + _mesa_scale_and_bias_rgba( ctx, n, rgba ); + } + /* color map lookup */ + if (transferOps & IMAGE_MAP_COLOR_BIT) { + _mesa_map_rgba( ctx, n, rgba ); + } + /* GL_COLOR_TABLE lookup */ + if (transferOps & IMAGE_COLOR_TABLE_BIT) { + _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); + } + /* convolution */ + if (transferOps & IMAGE_CONVOLUTION_BIT) { + /* this has to be done in the calling code */ + } + /* GL_POST_CONVOLUTION_COLOR_TABLE lookup */ + if (transferOps & IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT) { + _mesa_lookup_rgba(&ctx->PostConvolutionColorTable, n, rgba); + } + /* color matrix transform */ + if (transferOps & IMAGE_COLOR_MATRIX_BIT) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (transferOps & IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT) { + _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* update histogram count */ + if (transferOps & IMAGE_HISTOGRAM_BIT) { + _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + /* min/max here */ + if (transferOps & IMAGE_MIN_MAX_BIT) { + _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba); + if (ctx->MinMax.Sink) + return; + } + } + else { + /* use incoming data, not a copy */ + rgba = (GLfloat (*)[4]) rgbaIn; + } - if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { - for (i = 0; i < n; i++) { - GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; - luminance[i] = CLAMP(sum, 0.0F, 1.0F); - } + /* XXX clamp rgba to [0,1]? */ + + + if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) { + for (i = 0; i < n; i++) { + GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; + luminance[i] = CLAMP(sum, 0.0F, 1.0F); } + } - /* - * Pack/store the pixels. Ugh! Lots of cases!!! - */ - switch (type) { - case GL_UNSIGNED_BYTE: - { - GLubyte *dst = (GLubyte *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_UBYTE(luminance[i]); - dst[i*2+1] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - } - break; - case GL_BYTE: - { - GLbyte *dst = (GLbyte *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_BYTE(luminance[i]); - dst[i*2+1] = FLOAT_TO_BYTE(rgba[i][ACOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_BYTE(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_BYTE(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_BYTE(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][ACOMP]); - } - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][RCOMP]); - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } + /* + * Pack/store the pixels. Ugh! Lots of cases!!! + */ + switch (type) { + case GL_UNSIGNED_BYTE: + { + GLubyte *dst = (GLubyte *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UBYTE(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_UBYTE(luminance[i]); + dst[i*2+1] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_UNSIGNED_SHORT: - { - GLushort *dst = (GLushort *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_USHORT(luminance[i]); - dst[i*2+1] = FLOAT_TO_USHORT(rgba[i][ACOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_USHORT(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_USHORT(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_USHORT(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][RCOMP]); - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - if (packing->SwapBytes) { - _mesa_swap2( (GLushort *) dst, n * comps); - } + } + break; + case GL_BYTE: + { + GLbyte *dst = (GLbyte *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_BYTE(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_BYTE(luminance[i]); + dst[i*2+1] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + } + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_BYTE(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_BYTE(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_BYTE(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][RCOMP]); + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_SHORT: - { - GLshort *dst = (GLshort *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_SHORT(luminance[i]); - dst[i*2+1] = FLOAT_TO_SHORT(rgba[i][ACOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_SHORT(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_SHORT(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_SHORT(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][ACOMP]); - } - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][RCOMP]); - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - if (packing->SwapBytes) { - _mesa_swap2( (GLushort *) dst, n * comps ); - } + } + break; + case GL_UNSIGNED_SHORT: + { + GLushort *dst = (GLushort *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_USHORT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_USHORT(luminance[i]); + dst[i*2+1] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_USHORT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_USHORT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_USHORT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_USHORT(rgba[i][RCOMP]); + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_UNSIGNED_INT: - { - GLuint *dst = (GLuint *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_UINT(luminance[i]); - dst[i*2+1] = FLOAT_TO_UINT(rgba[i][ACOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_UINT(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_UINT(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_UINT(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_UINT(rgba[i][RCOMP]); - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - if (packing->SwapBytes) { - _mesa_swap4( (GLuint *) dst, n * comps ); - } + if (packing->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n * comps); } - break; - case GL_INT: - { - GLint *dst = (GLint *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][RCOMP]); - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][GCOMP]); - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][BCOMP]); - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(rgba[i][ACOMP]); - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(luminance[i]); - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = FLOAT_TO_INT(luminance[i]); - dst[i*2+1] = FLOAT_TO_INT(rgba[i][ACOMP]); - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_INT(rgba[i][BCOMP]); - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*3+2] = FLOAT_TO_INT(rgba[i][RCOMP]); - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*4+2] = FLOAT_TO_INT(rgba[i][RCOMP]); - dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = FLOAT_TO_INT(rgba[i][ACOMP]); - dst[i*4+1] = FLOAT_TO_INT(rgba[i][BCOMP]); - dst[i*4+2] = FLOAT_TO_INT(rgba[i][GCOMP]); - dst[i*4+3] = FLOAT_TO_INT(rgba[i][RCOMP]); - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - if (packing->SwapBytes) { - _mesa_swap4( (GLuint *) dst, n * comps ); - } - } - break; - case GL_FLOAT: - { - GLfloat *dst = (GLfloat *) destination; - switch (format) { - case GL_RED: - for (i=0;i<n;i++) - dst[i] = rgba[i][RCOMP]; - break; - case GL_GREEN: - for (i=0;i<n;i++) - dst[i] = rgba[i][GCOMP]; - break; - case GL_BLUE: - for (i=0;i<n;i++) - dst[i] = rgba[i][BCOMP]; - break; - case GL_ALPHA: - for (i=0;i<n;i++) - dst[i] = rgba[i][ACOMP]; - break; - case GL_LUMINANCE: - for (i=0;i<n;i++) - dst[i] = luminance[i]; - break; - case GL_LUMINANCE_ALPHA: - for (i=0;i<n;i++) { - dst[i*2+0] = luminance[i]; - dst[i*2+1] = rgba[i][ACOMP]; - } - break; - case GL_RGB: - for (i=0;i<n;i++) { - dst[i*3+0] = rgba[i][RCOMP]; - dst[i*3+1] = rgba[i][GCOMP]; - dst[i*3+2] = rgba[i][BCOMP]; - } - break; - case GL_RGBA: - for (i=0;i<n;i++) { - dst[i*4+0] = rgba[i][RCOMP]; - dst[i*4+1] = rgba[i][GCOMP]; - dst[i*4+2] = rgba[i][BCOMP]; - dst[i*4+3] = rgba[i][ACOMP]; - } - break; - case GL_BGR: - for (i=0;i<n;i++) { - dst[i*3+0] = rgba[i][BCOMP]; - dst[i*3+1] = rgba[i][GCOMP]; - dst[i*3+2] = rgba[i][RCOMP]; - } - break; - case GL_BGRA: - for (i=0;i<n;i++) { - dst[i*4+0] = rgba[i][BCOMP]; - dst[i*4+1] = rgba[i][GCOMP]; - dst[i*4+2] = rgba[i][RCOMP]; - dst[i*4+3] = rgba[i][ACOMP]; - } - break; - case GL_ABGR_EXT: - for (i=0;i<n;i++) { - dst[i*4+0] = rgba[i][ACOMP]; - dst[i*4+1] = rgba[i][BCOMP]; - dst[i*4+2] = rgba[i][GCOMP]; - dst[i*4+3] = rgba[i][RCOMP]; - } - break; - default: - gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); - } - if (packing->SwapBytes) { - _mesa_swap4( (GLuint *) dst, n * comps ); - } - } - break; - case GL_UNSIGNED_BYTE_3_3_2: - if (format == GL_RGB) { - GLubyte *dst = (GLubyte *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) << 5) - | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 2) - | (((GLint) (rgba[i][BCOMP] * 3.0F)) ); - } + } + break; + case GL_SHORT: + { + GLshort *dst = (GLshort *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_SHORT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_SHORT(luminance[i]); + dst[i*2+1] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + } + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_SHORT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_SHORT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_SHORT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][RCOMP]); + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_UNSIGNED_BYTE_2_3_3_REV: - if (format == GL_RGB) { - GLubyte *dst = (GLubyte *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) ) - | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 3) - | (((GLint) (rgba[i][BCOMP] * 3.0F)) << 5); - } + if (packing->SwapBytes) { + _mesa_swap2( (GLushort *) dst, n * comps ); } - break; - case GL_UNSIGNED_SHORT_5_6_5: - if (format == GL_RGB) { - GLushort *dst = (GLushort *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) - | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) - | (((GLint) (rgba[i][BCOMP] * 31.0F)) ); - } + } + break; + case GL_UNSIGNED_INT: + { + GLuint *dst = (GLuint *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_UINT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_UINT(luminance[i]); + dst[i*2+1] = FLOAT_TO_UINT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UINT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_UINT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_UINT(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_UINT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_UINT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_UINT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_UINT(rgba[i][RCOMP]); + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_UNSIGNED_SHORT_5_6_5_REV: - if (format == GL_RGB) { - GLushort *dst = (GLushort *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) - | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) - | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11); - } + if (packing->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n * comps ); } - break; - case GL_UNSIGNED_SHORT_4_4_4_4: - if (format == GL_RGB) { - GLushort *dst = (GLushort *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12) - | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) - | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) - | (((GLint) (rgba[i][ACOMP] * 15.0F)) ); - } + } + break; + case GL_INT: + { + GLint *dst = (GLint *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][RCOMP]); + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][GCOMP]); + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][BCOMP]); + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(rgba[i][ACOMP]); + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = FLOAT_TO_INT(luminance[i]); + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = FLOAT_TO_INT(luminance[i]); + dst[i*2+1] = FLOAT_TO_INT(rgba[i][ACOMP]); + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_INT(rgba[i][RCOMP]); + dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_INT(rgba[i][BCOMP]); + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_INT(rgba[i][RCOMP]); + dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*3+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*3+2] = FLOAT_TO_INT(rgba[i][RCOMP]); + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*4+1] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*4+2] = FLOAT_TO_INT(rgba[i][RCOMP]); + dst[i*4+3] = FLOAT_TO_INT(rgba[i][ACOMP]); + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = FLOAT_TO_INT(rgba[i][ACOMP]); + dst[i*4+1] = FLOAT_TO_INT(rgba[i][BCOMP]); + dst[i*4+2] = FLOAT_TO_INT(rgba[i][GCOMP]); + dst[i*4+3] = FLOAT_TO_INT(rgba[i][RCOMP]); + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - if (format == GL_RGB) { - GLushort *dst = (GLushort *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) ) - | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) - | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) - | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); - } + if (packing->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n * comps ); } - break; - case GL_UNSIGNED_SHORT_5_5_5_1: - if (format == GL_RGB) { - GLushort *dst = (GLushort *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) - | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) - | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 1) - | (((GLint) (rgba[i][ACOMP] * 1.0F)) ); - } + } + break; + case GL_FLOAT: + { + GLfloat *dst = (GLfloat *) destination; + switch (format) { + case GL_RED: + for (i=0;i<n;i++) + dst[i] = rgba[i][RCOMP]; + break; + case GL_GREEN: + for (i=0;i<n;i++) + dst[i] = rgba[i][GCOMP]; + break; + case GL_BLUE: + for (i=0;i<n;i++) + dst[i] = rgba[i][BCOMP]; + break; + case GL_ALPHA: + for (i=0;i<n;i++) + dst[i] = rgba[i][ACOMP]; + break; + case GL_LUMINANCE: + for (i=0;i<n;i++) + dst[i] = luminance[i]; + break; + case GL_LUMINANCE_ALPHA: + for (i=0;i<n;i++) { + dst[i*2+0] = luminance[i]; + dst[i*2+1] = rgba[i][ACOMP]; + } + break; + case GL_RGB: + for (i=0;i<n;i++) { + dst[i*3+0] = rgba[i][RCOMP]; + dst[i*3+1] = rgba[i][GCOMP]; + dst[i*3+2] = rgba[i][BCOMP]; + } + break; + case GL_RGBA: + for (i=0;i<n;i++) { + dst[i*4+0] = rgba[i][RCOMP]; + dst[i*4+1] = rgba[i][GCOMP]; + dst[i*4+2] = rgba[i][BCOMP]; + dst[i*4+3] = rgba[i][ACOMP]; + } + break; + case GL_BGR: + for (i=0;i<n;i++) { + dst[i*3+0] = rgba[i][BCOMP]; + dst[i*3+1] = rgba[i][GCOMP]; + dst[i*3+2] = rgba[i][RCOMP]; + } + break; + case GL_BGRA: + for (i=0;i<n;i++) { + dst[i*4+0] = rgba[i][BCOMP]; + dst[i*4+1] = rgba[i][GCOMP]; + dst[i*4+2] = rgba[i][RCOMP]; + dst[i*4+3] = rgba[i][ACOMP]; + } + break; + case GL_ABGR_EXT: + for (i=0;i<n;i++) { + dst[i*4+0] = rgba[i][ACOMP]; + dst[i*4+1] = rgba[i][BCOMP]; + dst[i*4+2] = rgba[i][GCOMP]; + dst[i*4+3] = rgba[i][RCOMP]; + } + break; + default: + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } - break; - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (format == GL_RGB) { - GLushort *dst = (GLushort *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) - | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) - | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 10) - | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); - } + if (packing->SwapBytes) { + _mesa_swap4( (GLuint *) dst, n * comps ); } - break; - case GL_UNSIGNED_INT_8_8_8_8: - if (format == GL_RGBA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24) - | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) - | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) - | (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); - } + } + break; + case GL_UNSIGNED_BYTE_3_3_2: + if (format == GL_RGB) { + GLubyte *dst = (GLubyte *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) << 5) + | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 2) + | (((GLint) (rgba[i][BCOMP] * 3.0F)) ); } - else if (format == GL_BGRA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 24) - | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) - | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 8) - | (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); - } + } + break; + case GL_UNSIGNED_BYTE_2_3_3_REV: + if (format == GL_RGB) { + GLubyte *dst = (GLubyte *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 3) + | (((GLint) (rgba[i][BCOMP] * 3.0F)) << 5); } - else if (format == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24) - | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) - | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) - | (((GLuint) (rgba[i][RCOMP] * 255.0F)) ); - } + } + break; + case GL_UNSIGNED_SHORT_5_6_5: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) ); } - break; - case GL_UNSIGNED_INT_8_8_8_8_REV: - if (format == GL_RGBA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) ) - | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) - | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) - | (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); - } + } + break; + case GL_UNSIGNED_SHORT_5_6_5_REV: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11); } - else if (format == GL_BGRA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) ) - | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) - | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 16) - | (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); - } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) ); } - else if (format == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) ) - | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) - | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) - | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24); - } + } + break; + case GL_UNSIGNED_SHORT_4_4_4_4_REV: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 15.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4) + | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8) + | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12); } - break; - case GL_UNSIGNED_INT_10_10_10_2: - if (format == GL_RGBA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 22) - | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) - | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 2) - | (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); - } + } + break; + case GL_UNSIGNED_SHORT_5_5_5_1: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 1) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) ); } - else if (format == GL_BGRA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 22) - | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) - | (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 2) - | (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); - } + } + break; + case GL_UNSIGNED_SHORT_1_5_5_5_REV: + if (format == GL_RGB) { + GLushort *dst = (GLushort *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 10) + | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15); } - else if (format == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) << 22) - | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 12) - | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 2) - | (((GLuint) (rgba[i][RCOMP] * 3.0F)) ); - } + } + break; + case GL_UNSIGNED_INT_8_8_8_8: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); } - break; - case GL_UNSIGNED_INT_2_10_10_10_REV: - if (format == GL_RGBA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) ) - | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) - | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 20) - | (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); - } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 24) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) ); } - else if (format == GL_BGRA) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) ) - | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) - | (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 20) - | (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); - } + } + else if (format == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) ); } - else if (format == GL_ABGR_EXT) { - GLuint *dst = (GLuint *) destination; - for (i=0;i<n;i++) { - dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) ) - | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 10) - | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 20) - | (((GLuint) (rgba[i][RCOMP] * 3.0F)) << 30); - } + } + break; + case GL_UNSIGNED_INT_8_8_8_8_REV: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 255.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); } - break; - default: - gl_problem( ctx, "bad type in _mesa_pack_rgba_span" ); - } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 255.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][ACOMP] * 255.0F)) << 24); + } + } + else if (format == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 255.0F)) ) + | (((GLuint) (rgba[i][BCOMP] * 255.0F)) << 8) + | (((GLuint) (rgba[i][GCOMP] * 255.0F)) << 16) + | (((GLuint) (rgba[i][RCOMP] * 255.0F)) << 24); + } + } + break; + case GL_UNSIGNED_INT_10_10_10_2: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 22) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 2) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); + } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 22) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 12) + | (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 2) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) ); + } + } + else if (format == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) << 22) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 12) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 2) + | (((GLuint) (rgba[i][RCOMP] * 3.0F)) ); + } + } + break; + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (format == GL_RGBA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][RCOMP] * 1023.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 20) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); + } + } + else if (format == GL_BGRA) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][BCOMP] * 1023.0F)) ) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 10) + | (((GLuint) (rgba[i][RCOMP] * 1023.0F)) << 20) + | (((GLuint) (rgba[i][ACOMP] * 3.0F)) << 30); + } + } + else if (format == GL_ABGR_EXT) { + GLuint *dst = (GLuint *) destination; + for (i=0;i<n;i++) { + dst[i] = (((GLuint) (rgba[i][ACOMP] * 1023.0F)) ) + | (((GLuint) (rgba[i][BCOMP] * 1023.0F)) << 10) + | (((GLuint) (rgba[i][GCOMP] * 1023.0F)) << 20) + | (((GLuint) (rgba[i][RCOMP] * 3.0F)) << 30); + } + } + break; + default: + gl_problem(ctx, "bad type in _mesa_pack_float_rgba_span"); } } |