diff options
Diffstat (limited to 'xc/extras/Mesa/src/image.c')
-rw-r--r-- | xc/extras/Mesa/src/image.c | 1199 |
1 files changed, 828 insertions, 371 deletions
diff --git a/xc/extras/Mesa/src/image.c b/xc/extras/Mesa/src/image.c index 16c8d4921..825ce7ed5 100644 --- a/xc/extras/Mesa/src/image.c +++ b/xc/extras/Mesa/src/image.c @@ -30,6 +30,7 @@ #include "glheader.h" #include "context.h" #include "image.h" +#include "imaging.h" #include "macros.h" #include "mem.h" #include "mmath.h" @@ -46,7 +47,7 @@ * from within display lists we have to be sure to set the current * unpacking params to these values! */ -struct gl_pixelstore_attrib _mesa_native_packing = { +const struct gl_pixelstore_attrib _mesa_native_packing = { 1, /* Alignment */ 0, /* RowLength */ 0, /* SkipPixels */ @@ -62,7 +63,8 @@ struct gl_pixelstore_attrib _mesa_native_packing = { /* * Flip the 8 bits in each byte of the given array. */ -void gl_flip_bytes( GLubyte *p, GLuint n ) +static void +flip_bytes( GLubyte *p, GLuint n ) { register GLuint i, a, b; @@ -84,7 +86,8 @@ void gl_flip_bytes( GLubyte *p, GLuint n ) /* * Flip the order of the 2 bytes in each word in the given array. */ -void gl_swap2( GLushort *p, GLuint n ) +void +_mesa_swap2( GLushort *p, GLuint n ) { register GLuint i; @@ -98,7 +101,8 @@ void gl_swap2( GLushort *p, GLuint n ) /* * Flip the order of the 4 bytes in each word in the given array. */ -void gl_swap4( GLuint *p, GLuint n ) +void +_mesa_swap4( GLuint *p, GLuint n ) { register GLuint i, a, b; @@ -120,7 +124,7 @@ void gl_swap4( GLuint *p, GLuint n ) * Return 0 if GL_BITMAP. * Return -1 if invalid type enum. */ -GLint gl_sizeof_type( GLenum type ) +GLint _mesa_sizeof_type( GLenum type ) { switch (type) { case GL_BITMAP: @@ -146,10 +150,10 @@ GLint gl_sizeof_type( GLenum type ) /* - * Same as gl_sizeof_packed_type() but we also accept the + * Same as _mesa_sizeof_packed_type() but we also accept the * packed pixel format datatypes. */ -GLint gl_sizeof_packed_type( GLenum type ) +GLint _mesa_sizeof_packed_type( GLenum type ) { switch (type) { case GL_BITMAP: @@ -203,7 +207,7 @@ GLint gl_sizeof_packed_type( GLenum type ) * Return the number of components in a GL enum pixel type. * Return -1 if bad format. */ -GLint gl_components_in_format( GLenum format ) +GLint _mesa_components_in_format( GLenum format ) { switch (format) { case GL_COLOR_INDEX: @@ -220,6 +224,7 @@ GLint gl_components_in_format( GLenum format ) case GL_BLUE: case GL_ALPHA: case GL_LUMINANCE: + case GL_INTENSITY: return 1; case GL_LUMINANCE_ALPHA: return 2; @@ -243,9 +248,9 @@ GLint gl_components_in_format( GLenum format ) * Return bytes per pixel for given format and type * Return -1 if bad format or type. */ -GLint gl_bytes_per_pixel( GLenum format, GLenum type ) +GLint _mesa_bytes_per_pixel( GLenum format, GLenum type ) { - GLint comps = gl_components_in_format( format ); + GLint comps = _mesa_components_in_format( format ); if (comps < 0) return -1; @@ -301,7 +306,8 @@ GLint gl_bytes_per_pixel( GLenum format, GLenum type ) * Test if the given pixel format and type are legal. * Return GL_TRUE for legal, GL_FALSE for illegal. */ -GLboolean gl_is_legal_format_and_type( GLenum format, GLenum type ) +GLboolean +_mesa_is_legal_format_and_type( GLenum format, GLenum type ) { switch (format) { case GL_COLOR_INDEX: @@ -399,10 +405,11 @@ GLboolean gl_is_legal_format_and_type( GLenum format, GLenum type ) * row, column - location of pixel in the image * Return: address of pixel at (image,row,column) in image or NULL if error. */ -GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing, - const GLvoid *image, GLsizei width, - GLsizei height, GLenum format, GLenum type, - GLint img, GLint row, GLint column ) +GLvoid * +_mesa_image_address( const struct gl_pixelstore_attrib *packing, + const GLvoid *image, GLsizei width, + GLsizei height, GLenum format, GLenum type, + GLint img, GLint row, GLint column ) { GLint alignment; /* 1, 2 or 4 */ GLint pixels_per_row; @@ -437,13 +444,13 @@ GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing, GLint bytes_per_image; /* Compute bytes per component */ - bytes_per_comp = gl_sizeof_packed_type( type ); + bytes_per_comp = _mesa_sizeof_packed_type( type ); if (bytes_per_comp<0) { return NULL; } /* Compute number of components per pixel */ - comp_per_pixel = gl_components_in_format( format ); + comp_per_pixel = _mesa_components_in_format( format ); if (comp_per_pixel<0 && type != GL_BITMAP) { return NULL; } @@ -462,7 +469,7 @@ GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing, /* Non-BITMAP data */ GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image; - bytes_per_pixel = gl_bytes_per_pixel( format, type ); + bytes_per_pixel = _mesa_bytes_per_pixel( format, type ); /* The pixel type and format should have been error checked earlier */ assert(bytes_per_pixel > 0); @@ -489,25 +496,69 @@ GLvoid *gl_pixel_addr_in_image( const struct gl_pixelstore_attrib *packing, /* - * Unpack a 32x32 pixel polygon stipple from user memory using the - * current pixel unpack settings. + * Compute the stride between image rows (in bytes) for the given + * pixel packing parameters and image width, format and type. */ -void gl_unpack_polygon_stipple( const GLcontext *ctx, - const GLubyte *pattern, GLuint dest[32] ) +GLint +_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing, + GLint width, GLenum format, GLenum type ) { - GLint i; - for (i = 0; i < 32; i++) { - GLubyte *src = (GLubyte *) gl_pixel_addr_in_image( &ctx->Unpack, pattern, - 32, 32, GL_COLOR_INDEX, GL_BITMAP, 0, i, 0 ); - dest[i] = (src[0] << 24) - | (src[1] << 16) - | (src[2] << 8) - | (src[3] ); + ASSERT(packing); + if (type == GL_BITMAP) { + /* BITMAP data */ + if (packing->RowLength == 0) { + GLint bytes = (width + 7) / 8; + return bytes; + } + else { + GLint bytes = (packing->RowLength + 7) / 8; + return bytes; + } } + else { + /* Non-BITMAP data */ + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + GLint bytesPerRow, remainder; + if (bytesPerPixel <= 0) + return -1; /* error */ + if (packing->RowLength == 0) { + bytesPerRow = bytesPerPixel * width; + } + else { + bytesPerRow = bytesPerPixel * packing->RowLength; + } + remainder = bytesPerRow % packing->Alignment; + if (remainder > 0) + bytesPerRow += (packing->Alignment - remainder); + return bytesPerRow; + } +} + + - /* Bit flipping within each byte */ - if (ctx->Unpack.LsbFirst) { - gl_flip_bytes( (GLubyte *) dest, 32 * 4 ); +/* + * Unpack a 32x32 pixel polygon stipple from user memory using the + * current pixel unpack settings. + */ +void +_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32], + const struct gl_pixelstore_attrib *unpacking ) +{ + GLubyte *ptrn = (GLubyte *) _mesa_unpack_bitmap( 32, 32, pattern, unpacking ); + if (ptrn) { + /* Convert pattern from GLubytes to GLuints and handle big/little + * endian differences + */ + GLubyte *p = ptrn; + GLint i; + for (i = 0; i < 32; i++) { + dest[i] = (p[0] << 24) + | (p[1] << 16) + | (p[2] << 8) + | (p[3] ); + p += 4; + } + FREE(ptrn); } } @@ -517,24 +568,23 @@ void gl_unpack_polygon_stipple( const GLcontext *ctx, * Pack polygon stipple into user memory given current pixel packing * settings. */ -void gl_pack_polygon_stipple( const GLcontext *ctx, - const GLuint pattern[32], - GLubyte *dest ) +void +_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, + const struct gl_pixelstore_attrib *packing ) { + /* Convert pattern from GLuints to GLubytes to handle big/little + * endian differences. + */ + GLubyte ptrn[32*4]; GLint i; for (i = 0; i < 32; i++) { - GLubyte *dst = (GLubyte *) gl_pixel_addr_in_image( &ctx->Pack, dest, - 32, 32, GL_COLOR_INDEX, GL_BITMAP, 0, i, 0 ); - dst[0] = (pattern[i] >> 24) & 0xff; - dst[1] = (pattern[i] >> 16) & 0xff; - dst[2] = (pattern[i] >> 8) & 0xff; - dst[3] = (pattern[i] ) & 0xff; - - /* Bit flipping within each byte */ - if (ctx->Pack.LsbFirst) { - gl_flip_bytes( (GLubyte *) dst, 4 ); - } + ptrn[i * 4 + 0] = (GLubyte) ((pattern[i] >> 24) & 0xff); + ptrn[i * 4 + 1] = (GLubyte) ((pattern[i] >> 16) & 0xff); + ptrn[i * 4 + 2] = (GLubyte) ((pattern[i] >> 8 ) & 0xff); + ptrn[i * 4 + 3] = (GLubyte) ((pattern[i] ) & 0xff); } + + _mesa_pack_bitmap(32, 32, ptrn, dest, packing); } @@ -554,66 +604,100 @@ void gl_pack_polygon_stipple( const GLcontext *ctx, * packing - pixel packing parameters * applyTransferOps - apply scale/bias/lookup-table ops? */ -void gl_pack_rgba_span( const GLcontext *ctx, - GLuint n, CONST GLubyte rgba[][4], - GLenum format, GLenum type, GLvoid *destination, - const struct gl_pixelstore_attrib *packing, - GLboolean applyTransferOps ) +void +_mesa_pack_rgba_span( GLcontext *ctx, + GLuint n, CONST GLubyte srcRgba[][4], + GLenum format, GLenum type, GLvoid *destination, + const struct gl_pixelstore_attrib *packing, + GLboolean applyTransferOps ) { - applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag); + applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || + ctx->Pixel.MapColorFlag || + ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm || + ctx->Pixel.ColorTableEnabled || + ctx->Pixel.PostColorMatrixColorTableEnabled || + ctx->Pixel.MinMaxEnabled || + ctx->Pixel.HistogramEnabled); /* Test for optimized case first */ if (!applyTransferOps && format == GL_RGBA && type == GL_UNSIGNED_BYTE) { /* common simple case */ - MEMCPY( destination, rgba, n * 4 * sizeof(GLubyte) ); + MEMCPY( destination, srcRgba, n * 4 * sizeof(GLubyte) ); } else if (!applyTransferOps && format == GL_RGB && type == GL_UNSIGNED_BYTE) { /* common simple case */ GLint i; GLubyte *dest = (GLubyte *) destination; for (i = 0; i < n; i++) { - dest[0] = rgba[i][RCOMP]; - dest[1] = rgba[i][GCOMP]; - dest[2] = rgba[i][BCOMP]; + dest[0] = srcRgba[i][RCOMP]; + dest[1] = srcRgba[i][GCOMP]; + dest[2] = srcRgba[i][BCOMP]; dest += 3; } } else { /* general solution */ - GLfloat red[MAX_WIDTH], green[MAX_WIDTH], blue[MAX_WIDTH]; - GLfloat alpha[MAX_WIDTH], luminance[MAX_WIDTH]; + GLfloat rgba[MAX_WIDTH][4], luminance[MAX_WIDTH]; 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 = gl_components_in_format(format); + 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++) { - red[i] = rgba[i][RCOMP] * rscale; - green[i] = rgba[i][GCOMP] * gscale; - blue[i] = rgba[i][BCOMP] * bscale; - alpha[i] = rgba[i][ACOMP] * ascale; + rgba[i][RCOMP] = srcRgba[i][RCOMP] * rscale; + rgba[i][GCOMP] = srcRgba[i][GCOMP] * gscale; + rgba[i][BCOMP] = srcRgba[i][BCOMP] * bscale; + rgba[i][ACOMP] = srcRgba[i][ACOMP] * ascale; } /* * Apply scale, bias and lookup-tables if enabled. */ if (applyTransferOps) { + /* scale & bias */ if (ctx->Pixel.ScaleOrBiasRGBA) { - gl_scale_and_bias_color( ctx, n, red, green, blue, alpha ); + _mesa_scale_and_bias_rgba( ctx, n, rgba ); } + /* color map lookup */ if (ctx->Pixel.MapColorFlag) { - gl_map_color( ctx, n, red, green, blue, alpha ); + _mesa_map_rgba( ctx, n, rgba ); + } + /* GL_COLOR_TABLE lookup */ + if (ctx->Pixel.ColorTableEnabled) { + _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); + } + /* XXX convolution here */ + /* XXX post-convolution color table look-up here */ + /* color matrix */ + if (ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (ctx->Pixel.PostColorMatrixColorTableEnabled) { + _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* update histogram count */ + if (ctx->Pixel.HistogramEnabled) { + _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + /* XXX min/max here */ + if (ctx->Pixel.MinMaxEnabled) { + _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba); + if (ctx->MinMax.Sink) + return; } } if (format==GL_LUMINANCE || format==GL_LUMINANCE_ALPHA) { for (i=0;i<n;i++) { - GLfloat sum = red[i] + green[i] + blue[i]; + GLfloat sum = rgba[i][RCOMP] + rgba[i][GCOMP] + rgba[i][BCOMP]; luminance[i] = CLAMP( sum, 0.0F, 1.0F ); } } @@ -628,19 +712,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(red[i]); + dst[i] = FLOAT_TO_UBYTE(rgba[i][RCOMP]); break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(green[i]); + dst[i] = FLOAT_TO_UBYTE(rgba[i][GCOMP]); break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(blue[i]); + dst[i] = FLOAT_TO_UBYTE(rgba[i][BCOMP]); break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UBYTE(alpha[i]); + dst[i] = FLOAT_TO_UBYTE(rgba[i][ACOMP]); break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -649,49 +733,49 @@ void gl_pack_rgba_span( const GLcontext *ctx, 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(alpha[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(red[i]); - dst[i*3+1] = FLOAT_TO_UBYTE(green[i]); - dst[i*3+2] = FLOAT_TO_UBYTE(blue[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(red[i]); - dst[i*4+1] = FLOAT_TO_UBYTE(green[i]); - dst[i*4+2] = FLOAT_TO_UBYTE(blue[i]); - dst[i*4+3] = FLOAT_TO_UBYTE(alpha[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(blue[i]); - dst[i*3+1] = FLOAT_TO_UBYTE(green[i]); - dst[i*3+2] = FLOAT_TO_UBYTE(red[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(blue[i]); - dst[i*4+1] = FLOAT_TO_UBYTE(green[i]); - dst[i*4+2] = FLOAT_TO_UBYTE(red[i]); - dst[i*4+3] = FLOAT_TO_UBYTE(alpha[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(alpha[i]); - dst[i*4+1] = FLOAT_TO_UBYTE(blue[i]); - dst[i*4+2] = FLOAT_TO_UBYTE(green[i]); - dst[i*4+3] = FLOAT_TO_UBYTE(red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } } break; @@ -701,19 +785,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(red[i]); + dst[i] = FLOAT_TO_BYTE(rgba[i][RCOMP]); break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(green[i]); + dst[i] = FLOAT_TO_BYTE(rgba[i][GCOMP]); break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(blue[i]); + dst[i] = FLOAT_TO_BYTE(rgba[i][BCOMP]); break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_BYTE(alpha[i]); + dst[i] = FLOAT_TO_BYTE(rgba[i][ACOMP]); break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -722,48 +806,48 @@ void gl_pack_rgba_span( const GLcontext *ctx, 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(alpha[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(red[i]); - dst[i*3+1] = FLOAT_TO_BYTE(green[i]); - dst[i*3+2] = FLOAT_TO_BYTE(blue[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(red[i]); - dst[i*4+1] = FLOAT_TO_BYTE(green[i]); - dst[i*4+2] = FLOAT_TO_BYTE(blue[i]); - dst[i*4+3] = FLOAT_TO_BYTE(alpha[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(blue[i]); - dst[i*3+1] = FLOAT_TO_BYTE(green[i]); - dst[i*3+2] = FLOAT_TO_BYTE(red[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(blue[i]); - dst[i*4+1] = FLOAT_TO_BYTE(green[i]); - dst[i*4+2] = FLOAT_TO_BYTE(red[i]); - dst[i*4+3] = FLOAT_TO_BYTE(alpha[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(alpha[i]); - dst[i*4+1] = FLOAT_TO_BYTE(blue[i]); - dst[i*4+2] = FLOAT_TO_BYTE(green[i]); - dst[i*4+3] = FLOAT_TO_BYTE(red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } } break; @@ -773,19 +857,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(red[i]); + dst[i] = FLOAT_TO_USHORT(rgba[i][RCOMP]); break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(green[i]); + dst[i] = FLOAT_TO_USHORT(rgba[i][GCOMP]); break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(blue[i]); + dst[i] = FLOAT_TO_USHORT(rgba[i][BCOMP]); break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_USHORT(alpha[i]); + dst[i] = FLOAT_TO_USHORT(rgba[i][ACOMP]); break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -794,52 +878,52 @@ void gl_pack_rgba_span( const GLcontext *ctx, 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(alpha[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(red[i]); - dst[i*3+1] = FLOAT_TO_USHORT(green[i]); - dst[i*3+2] = FLOAT_TO_USHORT(blue[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(red[i]); - dst[i*4+1] = FLOAT_TO_USHORT(green[i]); - dst[i*4+2] = FLOAT_TO_USHORT(blue[i]); - dst[i*4+3] = FLOAT_TO_USHORT(alpha[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(blue[i]); - dst[i*3+1] = FLOAT_TO_USHORT(green[i]); - dst[i*3+2] = FLOAT_TO_USHORT(red[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(blue[i]); - dst[i*4+1] = FLOAT_TO_USHORT(green[i]); - dst[i*4+2] = FLOAT_TO_USHORT(red[i]); - dst[i*4+3] = FLOAT_TO_USHORT(alpha[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(alpha[i]); - dst[i*4+1] = FLOAT_TO_USHORT(blue[i]); - dst[i*4+2] = FLOAT_TO_USHORT(green[i]); - dst[i*4+3] = FLOAT_TO_USHORT(red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } if (packing->SwapBytes) { - gl_swap2( (GLushort *) dst, n * comps); + _mesa_swap2( (GLushort *) dst, n * comps); } } break; @@ -849,19 +933,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(red[i]); + dst[i] = FLOAT_TO_SHORT(rgba[i][RCOMP]); break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(green[i]); + dst[i] = FLOAT_TO_SHORT(rgba[i][GCOMP]); break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(blue[i]); + dst[i] = FLOAT_TO_SHORT(rgba[i][BCOMP]); break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_SHORT(alpha[i]); + dst[i] = FLOAT_TO_SHORT(rgba[i][ACOMP]); break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -870,51 +954,51 @@ void gl_pack_rgba_span( const GLcontext *ctx, 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(alpha[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(red[i]); - dst[i*3+1] = FLOAT_TO_SHORT(green[i]); - dst[i*3+2] = FLOAT_TO_SHORT(blue[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(red[i]); - dst[i*4+1] = FLOAT_TO_SHORT(green[i]); - dst[i*4+2] = FLOAT_TO_SHORT(blue[i]); - dst[i*4+3] = FLOAT_TO_SHORT(alpha[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(blue[i]); - dst[i*3+1] = FLOAT_TO_SHORT(green[i]); - dst[i*3+2] = FLOAT_TO_SHORT(red[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(blue[i]); - dst[i*4+1] = FLOAT_TO_SHORT(green[i]); - dst[i*4+2] = FLOAT_TO_SHORT(red[i]); - dst[i*4+3] = FLOAT_TO_SHORT(alpha[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(alpha[i]); - dst[i*4+1] = FLOAT_TO_SHORT(blue[i]); - dst[i*4+2] = FLOAT_TO_SHORT(green[i]); - dst[i*4+3] = FLOAT_TO_SHORT(red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } if (packing->SwapBytes) { - gl_swap2( (GLushort *) dst, n * comps ); + _mesa_swap2( (GLushort *) dst, n * comps ); } } break; @@ -924,19 +1008,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(red[i]); + dst[i] = FLOAT_TO_UINT(rgba[i][RCOMP]); break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(green[i]); + dst[i] = FLOAT_TO_UINT(rgba[i][GCOMP]); break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(blue[i]); + dst[i] = FLOAT_TO_UINT(rgba[i][BCOMP]); break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_UINT(alpha[i]); + dst[i] = FLOAT_TO_UINT(rgba[i][ACOMP]); break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -945,52 +1029,52 @@ void gl_pack_rgba_span( const GLcontext *ctx, 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(alpha[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(red[i]); - dst[i*3+1] = FLOAT_TO_UINT(green[i]); - dst[i*3+2] = FLOAT_TO_UINT(blue[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(red[i]); - dst[i*4+1] = FLOAT_TO_UINT(green[i]); - dst[i*4+2] = FLOAT_TO_UINT(blue[i]); - dst[i*4+3] = FLOAT_TO_UINT(alpha[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(blue[i]); - dst[i*3+1] = FLOAT_TO_UINT(green[i]); - dst[i*3+2] = FLOAT_TO_UINT(red[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(blue[i]); - dst[i*4+1] = FLOAT_TO_UINT(green[i]); - dst[i*4+2] = FLOAT_TO_UINT(red[i]); - dst[i*4+3] = FLOAT_TO_UINT(alpha[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(alpha[i]); - dst[i*4+1] = FLOAT_TO_UINT(blue[i]); - dst[i*4+2] = FLOAT_TO_UINT(green[i]); - dst[i*4+3] = FLOAT_TO_UINT(red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } if (packing->SwapBytes) { - gl_swap4( (GLuint *) dst, n * comps ); + _mesa_swap4( (GLuint *) dst, n * comps ); } } break; @@ -1000,19 +1084,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(red[i]); + dst[i] = FLOAT_TO_INT(rgba[i][RCOMP]); break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(green[i]); + dst[i] = FLOAT_TO_INT(rgba[i][GCOMP]); break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(blue[i]); + dst[i] = FLOAT_TO_INT(rgba[i][BCOMP]); break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = FLOAT_TO_INT(alpha[i]); + dst[i] = FLOAT_TO_INT(rgba[i][ACOMP]); break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -1021,52 +1105,52 @@ void gl_pack_rgba_span( const GLcontext *ctx, 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(alpha[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(red[i]); - dst[i*3+1] = FLOAT_TO_INT(green[i]); - dst[i*3+2] = FLOAT_TO_INT(blue[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(red[i]); - dst[i*4+1] = FLOAT_TO_INT(green[i]); - dst[i*4+2] = FLOAT_TO_INT(blue[i]); - dst[i*4+3] = FLOAT_TO_INT(alpha[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(blue[i]); - dst[i*3+1] = FLOAT_TO_INT(green[i]); - dst[i*3+2] = FLOAT_TO_INT(red[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(blue[i]); - dst[i*4+1] = FLOAT_TO_INT(green[i]); - dst[i*4+2] = FLOAT_TO_INT(red[i]); - dst[i*4+3] = FLOAT_TO_INT(alpha[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(alpha[i]); - dst[i*4+1] = FLOAT_TO_INT(blue[i]); - dst[i*4+2] = FLOAT_TO_INT(green[i]); - dst[i*4+3] = FLOAT_TO_INT(red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } if (packing->SwapBytes) { - gl_swap4( (GLuint *) dst, n * comps ); + _mesa_swap4( (GLuint *) dst, n * comps ); } } break; @@ -1076,19 +1160,19 @@ void gl_pack_rgba_span( const GLcontext *ctx, switch (format) { case GL_RED: for (i=0;i<n;i++) - dst[i] = red[i]; + dst[i] = rgba[i][RCOMP]; break; case GL_GREEN: for (i=0;i<n;i++) - dst[i] = green[i]; + dst[i] = rgba[i][GCOMP]; break; case GL_BLUE: for (i=0;i<n;i++) - dst[i] = blue[i]; + dst[i] = rgba[i][BCOMP]; break; case GL_ALPHA: for (i=0;i<n;i++) - dst[i] = alpha[i]; + dst[i] = rgba[i][ACOMP]; break; case GL_LUMINANCE: for (i=0;i<n;i++) @@ -1097,52 +1181,52 @@ void gl_pack_rgba_span( const GLcontext *ctx, case GL_LUMINANCE_ALPHA: for (i=0;i<n;i++) { dst[i*2+0] = luminance[i]; - dst[i*2+1] = alpha[i]; + dst[i*2+1] = rgba[i][ACOMP]; } break; case GL_RGB: for (i=0;i<n;i++) { - dst[i*3+0] = red[i]; - dst[i*3+1] = green[i]; - dst[i*3+2] = blue[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] = red[i]; - dst[i*4+1] = green[i]; - dst[i*4+2] = blue[i]; - dst[i*4+3] = alpha[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] = blue[i]; - dst[i*3+1] = green[i]; - dst[i*3+2] = red[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] = blue[i]; - dst[i*4+1] = green[i]; - dst[i*4+2] = red[i]; - dst[i*4+3] = alpha[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] = alpha[i]; - dst[i*4+1] = blue[i]; - dst[i*4+2] = green[i]; - dst[i*4+3] = red[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 gl_pack_rgba_span\n"); + gl_problem(ctx, "bad format in _mesa_pack_rgba_span\n"); } if (packing->SwapBytes) { - gl_swap4( (GLuint *) dst, n * comps ); + _mesa_swap4( (GLuint *) dst, n * comps ); } } break; @@ -1150,9 +1234,9 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLubyte *dst = (GLubyte *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 7.0F)) << 5) - | (((GLint) (green[i] * 7.0F)) << 2) - | (((GLint) (blue[i] * 3.0F)) ); + dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) << 5) + | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 2) + | (((GLint) (rgba[i][BCOMP] * 3.0F)) ); } } break; @@ -1160,9 +1244,9 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLubyte *dst = (GLubyte *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 7.0F)) ) - | (((GLint) (green[i] * 7.0F)) << 3) - | (((GLint) (blue[i] * 3.0F)) << 5); + dst[i] = (((GLint) (rgba[i][RCOMP] * 7.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 7.0F)) << 3) + | (((GLint) (rgba[i][BCOMP] * 3.0F)) << 5); } } break; @@ -1170,9 +1254,9 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLushort *dst = (GLushort *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 31.0F)) << 11) - | (((GLint) (green[i] * 63.0F)) << 5) - | (((GLint) (blue[i] * 31.0F)) ); + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) << 11) + | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) ); } } break; @@ -1180,9 +1264,9 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLushort *dst = (GLushort *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 31.0F)) ) - | (((GLint) (green[i] * 63.0F)) << 5) - | (((GLint) (blue[i] * 31.0F)) << 11); + dst[i] = (((GLint) (rgba[i][RCOMP] * 31.0F)) ) + | (((GLint) (rgba[i][GCOMP] * 63.0F)) << 5) + | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11); } } break; @@ -1190,10 +1274,10 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLushort *dst = (GLushort *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 15.0F)) << 12) - | (((GLint) (green[i] * 15.0F)) << 8) - | (((GLint) (blue[i] * 15.0F)) << 4) - | (((GLint) (alpha[i] * 15.0F)) ); + 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; @@ -1201,10 +1285,10 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLushort *dst = (GLushort *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 15.0F)) ) - | (((GLint) (green[i] * 15.0F)) << 4) - | (((GLint) (blue[i] * 15.0F)) << 8) - | (((GLint) (alpha[i] * 15.0F)) << 12); + 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; @@ -1212,10 +1296,10 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLushort *dst = (GLushort *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 31.0F)) << 11) - | (((GLint) (green[i] * 31.0F)) << 6) - | (((GLint) (blue[i] * 31.0F)) << 1) - | (((GLint) (alpha[i] * 1.0F)) ); + 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; @@ -1223,10 +1307,10 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGB) { GLushort *dst = (GLushort *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLint) (red[i] * 31.0F)) ) - | (((GLint) (green[i] * 31.0F)) << 5) - | (((GLint) (blue[i] * 31.0F)) << 10) - | (((GLint) (alpha[i] * 1.0F)) << 15); + 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); } } break; @@ -1234,28 +1318,28 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGBA) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (red[i] * 255.0F)) << 24) - | (((GLuint) (green[i] * 255.0F)) << 16) - | (((GLuint) (blue[i] * 255.0F)) << 8) - | (((GLuint) (alpha[i] * 255.0F)) ); + 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)) ); } } else if (format == GL_BGRA) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (blue[i] * 255.0F)) << 24) - | (((GLuint) (green[i] * 255.0F)) << 16) - | (((GLuint) (red[i] * 255.0F)) << 8) - | (((GLuint) (alpha[i] * 255.0F)) ); + 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_ABGR_EXT) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (alpha[i] * 255.0F)) << 24) - | (((GLuint) (blue[i] * 255.0F)) << 16) - | (((GLuint) (green[i] * 255.0F)) << 8) - | (((GLuint) (red[i] * 255.0F)) ); + 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; @@ -1263,28 +1347,28 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGBA) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (red[i] * 255.0F)) ) - | (((GLuint) (green[i] * 255.0F)) << 8) - | (((GLuint) (blue[i] * 255.0F)) << 16) - | (((GLuint) (alpha[i] * 255.0F)) << 24); + 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); } } else if (format == GL_BGRA) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (blue[i] * 255.0F)) ) - | (((GLuint) (green[i] * 255.0F)) << 8) - | (((GLuint) (red[i] * 255.0F)) << 16) - | (((GLuint) (alpha[i] * 255.0F)) << 24); + 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) (alpha[i] * 255.0F)) ) - | (((GLuint) (blue[i] * 255.0F)) << 8) - | (((GLuint) (green[i] * 255.0F)) << 16) - | (((GLuint) (red[i] * 255.0F)) << 24); + 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; @@ -1292,28 +1376,28 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGBA) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (red[i] * 1023.0F)) << 22) - | (((GLuint) (green[i] * 1023.0F)) << 12) - | (((GLuint) (blue[i] * 1023.0F)) << 2) - | (((GLuint) (alpha[i] * 3.0F)) ); + 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) (blue[i] * 1023.0F)) << 22) - | (((GLuint) (green[i] * 1023.0F)) << 12) - | (((GLuint) (red[i] * 1023.0F)) << 2) - | (((GLuint) (alpha[i] * 3.0F)) ); + 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) (alpha[i] * 1023.0F)) << 22) - | (((GLuint) (blue[i] * 1023.0F)) << 12) - | (((GLuint) (green[i] * 1023.0F)) << 2) - | (((GLuint) (red[i] * 3.0F)) ); + 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; @@ -1321,38 +1405,39 @@ void gl_pack_rgba_span( const GLcontext *ctx, if (format == GL_RGBA) { GLuint *dst = (GLuint *) destination; for (i=0;i<n;i++) { - dst[i] = (((GLuint) (red[i] * 1023.0F)) ) - | (((GLuint) (green[i] * 1023.0F)) << 10) - | (((GLuint) (blue[i] * 1023.0F)) << 20) - | (((GLuint) (alpha[i] * 3.0F)) << 30); + 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) (blue[i] * 1023.0F)) ) - | (((GLuint) (green[i] * 1023.0F)) << 10) - | (((GLuint) (red[i] * 1023.0F)) << 20) - | (((GLuint) (alpha[i] * 3.0F)) << 30); + 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) (alpha[i] * 1023.0F)) ) - | (((GLuint) (blue[i] * 1023.0F)) << 10) - | (((GLuint) (green[i] * 1023.0F)) << 20) - | (((GLuint) (red[i] * 3.0F)) << 30); + 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 gl_pack_rgba_span" ); + gl_problem( ctx, "bad type in _mesa_pack_rgba_span" ); } } } + #define SWAP2BYTE(VALUE) \ { \ GLubyte *bytes = (GLubyte *) &(VALUE); \ @@ -1515,12 +1600,12 @@ extract_uint_indexes(GLuint n, GLuint indexes[], for (i = 0; i < n; i++) { GLfloat value = s[i]; SWAP4BYTE(value); - indexes[i] = value; + indexes[i] = (GLuint) value; } } else { for (i = 0; i < n; i++) - indexes[i] = s[i]; + indexes[i] = (GLuint) s[i]; } } break; @@ -2056,7 +2141,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4], * XXX perhaps expand this to process whole images someday. */ void -_mesa_unpack_ubyte_color_span( const GLcontext *ctx, +_mesa_unpack_ubyte_color_span( GLcontext *ctx, GLuint n, GLenum dstFormat, GLubyte dest[], GLenum srcFormat, GLenum srcType, const GLvoid *source, @@ -2106,12 +2191,17 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, srcType == GL_UNSIGNED_INT_10_10_10_2 || srcType == GL_UNSIGNED_INT_2_10_10_10_REV); - /* this is intended for RGBA mode */ + /* this is intended for RGBA mode only */ assert(ctx->Visual->RGBAflag); applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag || - ctx->Pixel.MapColorFlag); + ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm || + ctx->Pixel.ColorTableEnabled || + ctx->Pixel.PostColorMatrixColorTableEnabled || + ctx->Pixel.MinMaxEnabled || + ctx->Pixel.HistogramEnabled); /* Try simple cases first */ if (!applyTransferOps && srcType == GL_UNSIGNED_BYTE) { @@ -2155,7 +2245,7 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, } } else if (dstFormat == srcFormat) { - GLint comps = gl_components_in_format(srcFormat); + GLint comps = _mesa_components_in_format(srcFormat); assert(comps > 0); MEMCPY( dest, source, n * comps * sizeof(GLubyte) ); return; @@ -2163,14 +2253,14 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, } + /* general solution begins here */ { - /* general solution */ GLfloat rgba[MAX_WIDTH][4]; GLint dstComponents; GLint dstRedIndex, dstGreenIndex, dstBlueIndex, dstAlphaIndex; GLint dstLuminanceIndex, dstIntensityIndex; - dstComponents = gl_components_in_format( dstFormat ); + dstComponents = _mesa_components_in_format( dstFormat ); /* source & dest image formats should have been error checked by now */ assert(dstComponents > 0); @@ -2183,32 +2273,26 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, extract_uint_indexes(n, indexes, srcFormat, srcType, source, unpacking); - /* shift and offset indexes */ - gl_shift_and_offset_ci(ctx, n, indexes); - - if (dstFormat == GL_COLOR_INDEX) { - if (applyTransferOps) { - if (ctx->Pixel.MapColorFlag) { - /* Apply lookup table */ - gl_map_ci(ctx, n, indexes); - } - - if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { - - } + if (applyTransferOps) { + if (ctx->Pixel.MapColorFlag) { + _mesa_map_ci(ctx, n, indexes); + } + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { + _mesa_shift_and_offset_ci(ctx, n, indexes); } + } + if (dstFormat == GL_COLOR_INDEX) { /* convert to GLubyte and return */ - { - GLuint i; - for (i = 0; i < n; i++) { - dest[i] = (GLubyte) (indexes[i] & 0xff); - } + GLuint i; + for (i = 0; i < n; i++) { + dest[i] = (GLubyte) (indexes[i] & 0xff); } + return; } else { /* Convert indexes to RGBA */ - gl_map_ci_to_rgba_float(ctx, n, indexes, rgba); + _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); } } else { @@ -2217,23 +2301,41 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, if (applyTransferOps) { /* scale and bias colors */ - gl_scale_and_bias_rgba_float(ctx, n, rgba); - - /* color table lookup */ + if (ctx->Pixel.ScaleOrBiasRGBA) { + _mesa_scale_and_bias_rgba(ctx, n, rgba); + } + /* color map lookup */ if (ctx->Pixel.MapColorFlag) { - gl_map_rgba_float(ctx, n, rgba); + _mesa_map_rgba(ctx, n, rgba); } } } - - /* - * 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. - */ - + if (applyTransferOps) { + /* GL_COLOR_TABLE lookup */ + if (ctx->Pixel.ColorTableEnabled) { + _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); + } + /* XXX convolution here */ + /* XXX post-convolution color table look-up here */ + /* color matrix transform */ + if (ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (ctx->Pixel.PostColorMatrixColorTableEnabled) { + _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* update histogram count */ + if (ctx->Pixel.HistogramEnabled) { + _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + /* XXX min/max here */ + if (ctx->Pixel.MinMaxEnabled) { + _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + } /* clamp to [0,1] */ { @@ -2353,6 +2455,270 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, } +void +_mesa_unpack_float_color_span( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLfloat dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *unpacking, + GLboolean applyTransferOps, GLboolean clamp ) +{ + ASSERT(dstFormat == GL_ALPHA || + dstFormat == GL_LUMINANCE || + dstFormat == GL_LUMINANCE_ALPHA || + dstFormat == GL_INTENSITY || + dstFormat == GL_RGB || + dstFormat == GL_RGBA || + dstFormat == GL_COLOR_INDEX); + + ASSERT(srcFormat == GL_RED || + srcFormat == GL_GREEN || + srcFormat == GL_BLUE || + srcFormat == GL_ALPHA || + srcFormat == GL_LUMINANCE || + srcFormat == GL_LUMINANCE_ALPHA || + srcFormat == GL_INTENSITY || + srcFormat == GL_RGB || + srcFormat == GL_BGR || + srcFormat == GL_RGBA || + srcFormat == GL_BGRA || + srcFormat == GL_ABGR_EXT || + srcFormat == GL_COLOR_INDEX); + + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_FLOAT || + srcType == GL_UNSIGNED_BYTE_3_3_2 || + srcType == GL_UNSIGNED_BYTE_2_3_3_REV || + srcType == GL_UNSIGNED_SHORT_5_6_5 || + srcType == GL_UNSIGNED_SHORT_5_6_5_REV || + srcType == GL_UNSIGNED_SHORT_4_4_4_4 || + srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || + srcType == GL_UNSIGNED_SHORT_5_5_5_1 || + srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || + srcType == GL_UNSIGNED_INT_8_8_8_8 || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV || + srcType == GL_UNSIGNED_INT_10_10_10_2 || + srcType == GL_UNSIGNED_INT_2_10_10_10_REV); + + /* this is intended for RGBA mode only */ + assert(ctx->Visual->RGBAflag); + + applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || + ctx->Pixel.MapColorFlag || + ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm || + ctx->Pixel.ColorTableEnabled || + ctx->Pixel.PostColorMatrixColorTableEnabled || + ctx->Pixel.MinMaxEnabled || + ctx->Pixel.HistogramEnabled); + + /* general solution, no special cases, yet */ + { + GLfloat rgba[MAX_WIDTH][4]; + GLint dstComponents; + GLint dstRedIndex, dstGreenIndex, dstBlueIndex, dstAlphaIndex; + GLint dstLuminanceIndex, dstIntensityIndex; + + dstComponents = _mesa_components_in_format( dstFormat ); + /* source & dest image formats should have been error checked by now */ + assert(dstComponents > 0); + + /* + * Extract image data and convert to RGBA floats + */ + assert(n <= MAX_WIDTH); + if (srcFormat == GL_COLOR_INDEX) { + GLuint indexes[MAX_WIDTH]; + extract_uint_indexes(n, indexes, srcFormat, srcType, source, + unpacking); + + if (applyTransferOps) { + if (ctx->Pixel.MapColorFlag) { + _mesa_map_ci(ctx, n, indexes); + } + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + } + + if (dstFormat == GL_COLOR_INDEX) { + /* convert to GLubyte and return */ + GLuint i; + for (i = 0; i < n; i++) { + dest[i] = (GLubyte) (indexes[i] & 0xff); + } + return; + } + else { + /* Convert indexes to RGBA */ + _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); + } + } + else { + extract_float_rgba(n, rgba, srcFormat, srcType, source, + unpacking->SwapBytes); + + if (applyTransferOps) { + /* scale and bias colors */ + if (ctx->Pixel.ScaleOrBiasRGBA) { + _mesa_scale_and_bias_rgba(ctx, n, rgba); + } + /* color map lookup */ + if (ctx->Pixel.MapColorFlag) { + _mesa_map_rgba(ctx, n, rgba); + } + } + } + + if (applyTransferOps) { + /* GL_COLOR_TABLE lookup */ + if (ctx->Pixel.ColorTableEnabled) { + _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); + } + /* XXX convolution here */ + /* XXX post-convolution color table look-up here */ + /* color matrix transform */ + if (ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (ctx->Pixel.PostColorMatrixColorTableEnabled) { + _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* update histogram count */ + if (ctx->Pixel.HistogramEnabled) { + _mesa_update_histogram(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + /* XXX min/max here */ + if (ctx->Pixel.MinMaxEnabled) { + _mesa_update_minmax(ctx, n, (CONST GLfloat (*)[4]) rgba); + } + } + + /* clamp to [0,1] */ + if (clamp) { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F); + rgba[i][GCOMP] = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F); + rgba[i][BCOMP] = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F); + rgba[i][ACOMP] = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F); + } + } + + /* Now determine which color channels we need to produce. + * And determine the dest index (offset) within each color tuple. + */ + switch (dstFormat) { + case GL_ALPHA: + dstAlphaIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_LUMINANCE: + dstLuminanceIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstIntensityIndex = -1; + break; + case GL_LUMINANCE_ALPHA: + dstLuminanceIndex = 0; + dstAlphaIndex = 1; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstIntensityIndex = -1; + break; + case GL_INTENSITY: + dstIntensityIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstLuminanceIndex = -1; + break; + case GL_RGB: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_RGBA: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = 3; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + default: + gl_problem(ctx, "bad dstFormat in _mesa_unpack_float_span()"); + return; + } + + /* Now pack results in teh requested dstFormat */ + if (dstRedIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstRedIndex] = rgba[i][RCOMP]; + dst += dstComponents; + } + } + + if (dstGreenIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstGreenIndex] = rgba[i][GCOMP]; + dst += dstComponents; + } + } + + if (dstBlueIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstBlueIndex] = rgba[i][BCOMP]; + dst += dstComponents; + } + } + + if (dstAlphaIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstAlphaIndex] = rgba[i][ACOMP]; + dst += dstComponents; + } + } + + if (dstIntensityIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + assert(dstIntensityIndex == 0); + assert(dstComponents == 1); + for (i = 0; i < n; i++) { + /* Intensity comes from red channel */ + dst[i] = rgba[i][RCOMP]; + } + } + + if (dstLuminanceIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + assert(dstLuminanceIndex == 0); + for (i = 0; i < n; i++) { + /* Luminance comes from red channel */ + dst[0] = rgba[i][RCOMP]; + dst += dstComponents; + } + } + } +} + + + /* * Unpack a row of color index data from a client buffer according to @@ -2415,12 +2781,11 @@ _mesa_unpack_index_span( const GLcontext *ctx, GLuint n, if (applyTransferOps) { if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { /* shift and offset indexes */ - gl_shift_and_offset_ci(ctx, n, indexes); + _mesa_shift_and_offset_ci(ctx, n, indexes); } - if (ctx->Pixel.MapColorFlag) { /* Apply lookup table */ - gl_map_ci(ctx, n, indexes); + _mesa_map_ci(ctx, n, indexes); } } @@ -2515,7 +2880,7 @@ _mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n, if (applyTransferOps) { if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { /* shift and offset indexes */ - gl_shift_and_offset_ci(ctx, n, indexes); + _mesa_shift_and_offset_ci(ctx, n, indexes); } if (ctx->Pixel.MapStencilFlag) { @@ -2643,9 +3008,10 @@ _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLdepth *dest, /* clamp depth values to [0,1] and convert from floats to integers */ { + const GLfloat zs = ctx->Visual->DepthMaxF; GLuint i; for (i = 0; i < n; i++) { - dest[i] = (GLdepth) (CLAMP(depth[i], 0.0F, 1.0F) * DEPTH_SCALE); + dest[i] = (GLdepth) (CLAMP(depth[i], 0.0F, 1.0F) * zs); } } @@ -2679,8 +3045,8 @@ _mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth, compsPerRow = 0; } else { - const GLint bytesPerPixel = gl_bytes_per_pixel(format, type); - const GLint components = gl_components_in_format(format); + const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type); + const GLint components = _mesa_components_in_format(format); GLint bytesPerComp; if (bytesPerPixel <= 0 || components <= 0) return NULL; /* bad format or type. generate error later */ @@ -2703,18 +3069,18 @@ _mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth, dst = destBuffer; for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { - const GLvoid *src = gl_pixel_addr_in_image(unpack, pixels, + const GLvoid *src = _mesa_image_address(unpack, pixels, width, height, format, type, img, row, 0); MEMCPY(dst, src, bytesPerRow); /* byte flipping/swapping */ if (flipBytes) { - gl_flip_bytes((GLubyte *) dst, bytesPerRow); + flip_bytes((GLubyte *) dst, bytesPerRow); } else if (swap2) { - gl_swap2((GLushort*) dst, compsPerRow); + _mesa_swap2((GLushort*) dst, compsPerRow); } else if (swap4) { - gl_swap4((GLuint*) dst, compsPerRow); + _mesa_swap4((GLuint*) dst, compsPerRow); } dst += bytesPerRow; } @@ -2748,9 +3114,9 @@ _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, width_in_bytes = CEILING( width, 8 ); dst = buffer; for (row = 0; row < height; row++) { - GLubyte *src = gl_pixel_addr_in_image( packing, pixels, width, height, - GL_COLOR_INDEX, GL_BITMAP, - 0, row, 0 ); + GLubyte *src = _mesa_image_address( packing, pixels, width, height, + GL_COLOR_INDEX, GL_BITMAP, + 0, row, 0 ); if (!src) { FREE(buffer); return NULL; @@ -2759,7 +3125,7 @@ _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, if (packing->SkipPixels == 0) { MEMCPY( dst, src, width_in_bytes ); if (packing->LsbFirst) { - gl_flip_bytes( dst, width_in_bytes ); + flip_bytes( dst, width_in_bytes ); } } else { @@ -2825,3 +3191,94 @@ _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels, return buffer; } + + +/* + * Pack bitmap data. + */ +void +_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source, + GLubyte *dest, const struct gl_pixelstore_attrib *packing ) +{ + GLint row, width_in_bytes; + const GLubyte *src; + + if (!source) + return; + + width_in_bytes = CEILING( width, 8 ); + src = source; + for (row = 0; row < height; row++) { + GLubyte *dst = _mesa_image_address( packing, dest, width, height, + GL_COLOR_INDEX, GL_BITMAP, + 0, row, 0 ); + if (!dst) + return; + + if (packing->SkipPixels == 0) { + MEMCPY( dst, src, width_in_bytes ); + if (packing->LsbFirst) { + flip_bytes( dst, width_in_bytes ); + } + } + else { + /* handling SkipPixels is a bit tricky (no pun intended!) */ + GLint i; + if (packing->LsbFirst) { + GLubyte srcMask = 1 << (packing->SkipPixels & 0x7); + GLubyte dstMask = 128; + const GLubyte *s = src; + GLubyte *d = dst; + *d = 0; + for (i = 0; i < width; i++) { + if (*s & srcMask) { + *d |= dstMask; + } + if (srcMask == 128) { + srcMask = 1; + s++; + } + else { + srcMask = srcMask << 1; + } + if (dstMask == 1) { + dstMask = 128; + d++; + *d = 0; + } + else { + dstMask = dstMask >> 1; + } + } + } + else { + GLubyte srcMask = 128 >> (packing->SkipPixels & 0x7); + GLubyte dstMask = 128; + const GLubyte *s = src; + GLubyte *d = dst; + *d = 0; + for (i = 0; i < width; i++) { + if (*s & srcMask) { + *d |= dstMask; + } + if (srcMask == 1) { + srcMask = 128; + s++; + } + else { + srcMask = srcMask >> 1; + } + if (dstMask == 1) { + dstMask = 128; + d++; + *d = 0; + } + else { + dstMask = dstMask >> 1; + } + } + } + } + src += width_in_bytes; + } +} |