-/* $Id: image.c,v 1.21 2000/03/21 00:48:53 brianp Exp $ */
+/* $Id: image.c,v 1.43 2000/10/05 16:22:22 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
+ * Version: 3.5
*
* Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
*
#include "glheader.h"
#include "context.h"
#include "image.h"
+#include "imaging.h"
#include "macros.h"
#include "mem.h"
#include "mmath.h"
* 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 */
/*
* Flip the 8 bits in each byte of the given array.
+ *
+ * XXX try this trick to flip bytes someday:
+ * v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555);
+ * v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333);
+ * v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f);
*/
-void gl_flip_bytes( GLubyte *p, GLuint n )
+static void
+flip_bytes( GLubyte *p, GLuint n )
{
register GLuint i, a, b;
for (i=0;i<n;i++) {
- b = (GLuint) p[i];
+ b = (GLuint) p[i]; /* words are often faster than bytes */
a = ((b & 0x01) << 7) |
((b & 0x02) << 5) |
((b & 0x04) << 3) |
/*
* 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;
/*
* 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;
* 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:
/*
- * 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:
* 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:
case GL_BLUE:
case GL_ALPHA:
case GL_LUMINANCE:
+ case GL_INTENSITY:
return 1;
case GL_LUMINANCE_ALPHA:
return 2;
* 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;
* 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:
case GL_GREEN:
case GL_BLUE:
case GL_ALPHA:
+ case GL_INTENSITY:
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
case GL_DEPTH_COMPONENT:
* 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;
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;
}
/* 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);
}
else {
/* Non-BITMAP data */
- const GLint bytesPerPixel = gl_bytes_per_pixel(format, type);
+ const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
+ GLint bytesPerRow, remainder;
if (bytesPerPixel <= 0)
return -1; /* error */
if (packing->RowLength == 0) {
- GLint bytes = bytesPerPixel * width;
- return bytes;
+ bytesPerRow = bytesPerPixel * width;
}
else {
- GLint bytes = bytesPerPixel * packing->RowLength;
- return bytes;
+ bytesPerRow = bytesPerPixel * packing->RowLength;
}
+ remainder = bytesPerRow % packing->Alignment;
+ if (remainder > 0)
+ bytesPerRow += (packing->Alignment - remainder);
+ return bytesPerRow;
}
}
* type - dest packing datatype
* destination - destination packing address
* packing - pixel packing parameters
- * applyTransferOps - apply scale/bias/lookup-table ops?
+ * transferOps - bitmask of IMAGE_*_BIT operations to apply
*/
-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 dstFormat, GLenum dstType,
+ GLvoid *dstAddr,
+ const struct gl_pixelstore_attrib *dstPacking,
+ GLuint transferOps)
{
- applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || ctx->Pixel.MapColorFlag);
+ ASSERT(ctx->ImageTransferState != UPDATE_IMAGE_TRANSFER_STATE);
/* Test for optimized case first */
- if (!applyTransferOps && format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
+ if (transferOps == 0 && dstFormat == GL_RGBA
+ && dstType == GL_UNSIGNED_BYTE) {
/* common simple case */
- MEMCPY( destination, rgba, n * 4 * sizeof(GLubyte) );
+ MEMCPY(dstAddr, srcRgba, n * 4 * sizeof(GLubyte));
}
- else if (!applyTransferOps && format == GL_RGB && type == GL_UNSIGNED_BYTE) {
+ else if (transferOps == 0 && dstFormat == GL_RGB
+ && dstType == GL_UNSIGNED_BYTE) {
/* common simple case */
GLint i;
- GLubyte *dest = (GLubyte *) destination;
+ GLubyte *dest = (GLubyte *) dstAddr;
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];
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);
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;
}
+ _mesa_pack_float_rgba_span(ctx, n, (const GLfloat (*)[4]) rgba,
+ dstFormat, dstType, dstAddr,
+ dstPacking, transferOps);
+ }
+}
- /*
- * Apply scale, bias and lookup-tables if enabled.
- */
- if (applyTransferOps) {
- if (ctx->Pixel.ScaleOrBiasRGBA) {
- gl_scale_and_bias_color( ctx, n, red, green, blue, alpha );
- }
- if (ctx->Pixel.MapColorFlag) {
- gl_map_color( ctx, n, red, green, blue, alpha );
- }
+
+void
+_mesa_pack_float_rgba_span( GLcontext *ctx,
+ GLuint n, CONST GLfloat rgbaIn[][4],
+ GLenum dstFormat, GLenum dstType,
+ GLvoid *dstAddr,
+ const struct gl_pixelstore_attrib *dstPacking,
+ GLuint transferOps )
+{
+ const GLint comps = _mesa_components_in_format(dstFormat);
+ 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];
}
- if (format==GL_LUMINANCE || format==GL_LUMINANCE_ALPHA) {
- for (i=0;i<n;i++) {
- GLfloat sum = red[i] + green[i] + blue[i];
- luminance[i] = CLAMP( sum, 0.0F, 1.0F );
- }
+ 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;
+ }
- /*
- * 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(red[i]);
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_UBYTE(green[i]);
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_UBYTE(blue[i]);
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_UBYTE(alpha[i]);
- 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(alpha[i]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_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(red[i]);
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_BYTE(green[i]);
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_BYTE(blue[i]);
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_BYTE(alpha[i]);
- 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(alpha[i]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
- }
+ /* XXX clamp rgba to [0,1]? */
+
+
+ if (dstFormat == GL_LUMINANCE || dstFormat == 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 (dstType) {
+ case GL_UNSIGNED_BYTE:
+ {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ switch (dstFormat) {
+ 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(red[i]);
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_USHORT(green[i]);
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_USHORT(blue[i]);
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_USHORT(alpha[i]);
- 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(alpha[i]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
- }
- if (packing->SwapBytes) {
- gl_swap2( (GLushort *) dst, n * comps);
- }
+ }
+ break;
+ case GL_BYTE:
+ {
+ GLbyte *dst = (GLbyte *) dstAddr;
+ switch (dstFormat) {
+ 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(red[i]);
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_SHORT(green[i]);
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_SHORT(blue[i]);
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_SHORT(alpha[i]);
- 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(alpha[i]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
- }
- if (packing->SwapBytes) {
- gl_swap2( (GLushort *) dst, n * comps );
- }
+ }
+ break;
+ case GL_UNSIGNED_SHORT:
+ {
+ GLushort *dst = (GLushort *) dstAddr;
+ switch (dstFormat) {
+ 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(red[i]);
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_UINT(green[i]);
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_UINT(blue[i]);
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_UINT(alpha[i]);
- 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(alpha[i]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
- }
- if (packing->SwapBytes) {
- gl_swap4( (GLuint *) dst, n * comps );
- }
+ if (dstPacking->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(red[i]);
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_INT(green[i]);
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_INT(blue[i]);
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = FLOAT_TO_INT(alpha[i]);
- 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(alpha[i]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- 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]);
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
- }
- if (packing->SwapBytes) {
- gl_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] = red[i];
- break;
- case GL_GREEN:
- for (i=0;i<n;i++)
- dst[i] = green[i];
- break;
- case GL_BLUE:
- for (i=0;i<n;i++)
- dst[i] = blue[i];
- break;
- case GL_ALPHA:
- for (i=0;i<n;i++)
- dst[i] = alpha[i];
- 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] = alpha[i];
- }
- 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];
- }
- 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];
- }
- 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];
- }
- 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];
- }
- 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];
- }
- break;
- default:
- gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
- }
- if (packing->SwapBytes) {
- gl_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) (red[i] * 7.0F)) << 5)
- | (((GLint) (green[i] * 7.0F)) << 2)
- | (((GLint) (blue[i] * 3.0F)) );
- }
+ }
+ break;
+ case GL_SHORT:
+ {
+ GLshort *dst = (GLshort *) dstAddr;
+ switch (dstFormat) {
+ 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) (red[i] * 7.0F)) )
- | (((GLint) (green[i] * 7.0F)) << 3)
- | (((GLint) (blue[i] * 3.0F)) << 5);
- }
+ if (dstPacking->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) (red[i] * 31.0F)) << 11)
- | (((GLint) (green[i] * 63.0F)) << 5)
- | (((GLint) (blue[i] * 31.0F)) );
- }
+ }
+ break;
+ case GL_UNSIGNED_INT:
+ {
+ GLuint *dst = (GLuint *) dstAddr;
+ switch (dstFormat) {
+ 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) (red[i] * 31.0F)) )
- | (((GLint) (green[i] * 63.0F)) << 5)
- | (((GLint) (blue[i] * 31.0F)) << 11);
- }
+ if (dstPacking->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) (red[i] * 15.0F)) << 12)
- | (((GLint) (green[i] * 15.0F)) << 8)
- | (((GLint) (blue[i] * 15.0F)) << 4)
- | (((GLint) (alpha[i] * 15.0F)) );
- }
+ }
+ break;
+ case GL_INT:
+ {
+ GLint *dst = (GLint *) dstAddr;
+ switch (dstFormat) {
+ 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) (red[i] * 15.0F)) )
- | (((GLint) (green[i] * 15.0F)) << 4)
- | (((GLint) (blue[i] * 15.0F)) << 8)
- | (((GLint) (alpha[i] * 15.0F)) << 12);
- }
+ if (dstPacking->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) (red[i] * 31.0F)) << 11)
- | (((GLint) (green[i] * 31.0F)) << 6)
- | (((GLint) (blue[i] * 31.0F)) << 1)
- | (((GLint) (alpha[i] * 1.0F)) );
- }
+ }
+ break;
+ case GL_FLOAT:
+ {
+ GLfloat *dst = (GLfloat *) dstAddr;
+ switch (dstFormat) {
+ 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) (red[i] * 31.0F)) )
- | (((GLint) (green[i] * 31.0F)) << 5)
- | (((GLint) (blue[i] * 31.0F)) << 10)
- | (((GLint) (alpha[i] * 1.0F)) << 15);
- }
+ if (dstPacking->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) (red[i] * 255.0F)) << 24)
- | (((GLuint) (green[i] * 255.0F)) << 16)
- | (((GLuint) (blue[i] * 255.0F)) << 8)
- | (((GLuint) (alpha[i] * 255.0F)) );
- }
+ }
+ break;
+ case GL_UNSIGNED_BYTE_3_3_2:
+ if (dstFormat == GL_RGB) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ 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) (blue[i] * 255.0F)) << 24)
- | (((GLuint) (green[i] * 255.0F)) << 16)
- | (((GLuint) (red[i] * 255.0F)) << 8)
- | (((GLuint) (alpha[i] * 255.0F)) );
- }
+ }
+ break;
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ if (dstFormat == GL_RGB) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ 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) (alpha[i] * 255.0F)) << 24)
- | (((GLuint) (blue[i] * 255.0F)) << 16)
- | (((GLuint) (green[i] * 255.0F)) << 8)
- | (((GLuint) (red[i] * 255.0F)) );
- }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if (dstFormat == GL_RGB) {
+ GLushort *dst = (GLushort *) dstAddr;
+ 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) (red[i] * 255.0F)) )
- | (((GLuint) (green[i] * 255.0F)) << 8)
- | (((GLuint) (blue[i] * 255.0F)) << 16)
- | (((GLuint) (alpha[i] * 255.0F)) << 24);
- }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ if (dstFormat == GL_RGB) {
+ GLushort *dst = (GLushort *) dstAddr;
+ 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) (blue[i] * 255.0F)) )
- | (((GLuint) (green[i] * 255.0F)) << 8)
- | (((GLuint) (red[i] * 255.0F)) << 16)
- | (((GLuint) (alpha[i] * 255.0F)) << 24);
- }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ if (dstFormat == GL_RGBA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ 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) (alpha[i] * 255.0F)) )
- | (((GLuint) (blue[i] * 255.0F)) << 8)
- | (((GLuint) (green[i] * 255.0F)) << 16)
- | (((GLuint) (red[i] * 255.0F)) << 24);
- }
+ }
+ else if (dstFormat == GL_BGRA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) << 12)
+ | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8)
+ | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 4)
+ | (((GLint) (rgba[i][ACOMP] * 15.0F)) );
}
- 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) (red[i] * 1023.0F)) << 22)
- | (((GLuint) (green[i] * 1023.0F)) << 12)
- | (((GLuint) (blue[i] * 1023.0F)) << 2)
- | (((GLuint) (alpha[i] * 3.0F)) );
- }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) << 4)
+ | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 8)
+ | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 12)
+ | (((GLint) (rgba[i][RCOMP] * 15.0F)) );
}
- 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)) );
- }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ if (dstFormat == GL_RGBA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ 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);
}
- 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)) );
- }
+ }
+ else if (dstFormat == GL_BGRA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][BCOMP] * 15.0F)) )
+ | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 4)
+ | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 8)
+ | (((GLint) (rgba[i][ACOMP] * 15.0F)) << 12);
}
- 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) (red[i] * 1023.0F)) )
- | (((GLuint) (green[i] * 1023.0F)) << 10)
- | (((GLuint) (blue[i] * 1023.0F)) << 20)
- | (((GLuint) (alpha[i] * 3.0F)) << 30);
- }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][ACOMP] * 15.0F)) )
+ | (((GLint) (rgba[i][BCOMP] * 15.0F)) << 4)
+ | (((GLint) (rgba[i][GCOMP] * 15.0F)) << 8)
+ | (((GLint) (rgba[i][RCOMP] * 15.0F)) << 12);
}
- 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);
- }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ if (dstFormat == GL_RGBA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ 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_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);
- }
+ }
+ else if (dstFormat == GL_BGRA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) << 11)
+ | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 6)
+ | (((GLint) (rgba[i][RCOMP] * 31.0F)) << 1)
+ | (((GLint) (rgba[i][ACOMP] * 1.0F)) );
}
- break;
- default:
- gl_problem( ctx, "bad type in gl_pack_rgba_span" );
- }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) << 11)
+ | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 6)
+ | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 1)
+ | (((GLint) (rgba[i][RCOMP] * 1.0F)) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ if (dstFormat == GL_RGBA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ 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 (dstFormat == GL_BGRA) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][BCOMP] * 31.0F)) )
+ | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 5)
+ | (((GLint) (rgba[i][RCOMP] * 31.0F)) << 10)
+ | (((GLint) (rgba[i][ACOMP] * 1.0F)) << 15);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (((GLint) (rgba[i][ACOMP] * 31.0F)) )
+ | (((GLint) (rgba[i][BCOMP] * 31.0F)) << 5)
+ | (((GLint) (rgba[i][GCOMP] * 31.0F)) << 10)
+ | (((GLint) (rgba[i][RCOMP] * 1.0F)) << 15);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ if (dstFormat == GL_RGBA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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)) );
+ }
+ }
+ else if (dstFormat == GL_BGRA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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_INT_8_8_8_8_REV:
+ if (dstFormat == GL_RGBA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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);
+ }
+ }
+ else if (dstFormat == GL_BGRA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_RGBA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_BGRA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_RGBA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_BGRA) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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 (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ 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");
}
}
+
#define SWAP2BYTE(VALUE) \
{ \
GLubyte *bytes = (GLubyte *) &(VALUE); \
/*
* Unpack a row of color image data from a client buffer according to
- * the pixel unpacking parameters. Apply any enabled pixel transfer
- * ops (PixelMap, scale/bias) if the applyTransferOps flag is enabled.
+ * the pixel unpacking parameters.
* Return GLubyte values in the specified dest image format.
* This is (or will be) used by glDrawPixels and glTexImage?D().
* Input: ctx - the context
* srcFormat - source image format
* srcType - source image datatype
* source - source image pointer
- * unpacking - pixel unpacking parameters
- * applyTransferOps - apply scale/bias/lookup-table ops?
+ * srcPacking - pixel unpacking parameters
+ * transferOps - bitmask of IMAGE_*_BIT values of operations to apply
*
* 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,
- const struct gl_pixelstore_attrib *unpacking,
- GLboolean applyTransferOps )
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLuint transferOps )
{
ASSERT(dstFormat == GL_ALPHA ||
dstFormat == GL_LUMINANCE ||
srcType == GL_UNSIGNED_INT_10_10_10_2 ||
srcType == GL_UNSIGNED_INT_2_10_10_10_REV);
- /* this is intended for RGBA mode */
- assert(ctx->Visual->RGBAflag);
-
- applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA ||
- ctx->Pixel.MapColorFlag ||
- ctx->Pixel.MapColorFlag);
+ /* this is intended for RGBA mode only */
+ assert(ctx->Visual.RGBAflag);
/* Try simple cases first */
- if (!applyTransferOps && srcType == GL_UNSIGNED_BYTE) {
+ if (transferOps == 0 && srcType == GL_UNSIGNED_BYTE) {
if (dstFormat == GL_RGBA) {
if (srcFormat == GL_RGBA) {
MEMCPY( dest, source, n * 4 * sizeof(GLubyte) );
}
}
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;
}
+ /* 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);
if (srcFormat == GL_COLOR_INDEX) {
GLuint indexes[MAX_WIDTH];
extract_uint_indexes(n, indexes, srcFormat, srcType, source,
- unpacking);
+ srcPacking);
- /* shift and offset indexes */
- gl_shift_and_offset_ci(ctx, n, indexes);
+ if (dstFormat == GL_COLOR_INDEX
+ && (transferOps & IMAGE_MAP_COLOR_BIT)) {
+ _mesa_map_ci(ctx, n, indexes);
+ }
+ if (transferOps & IMAGE_SHIFT_OFFSET_BIT) {
+ _mesa_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) {
-
- }
- }
-
/* 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 {
extract_float_rgba(n, rgba, srcFormat, srcType, source,
- unpacking->SwapBytes);
+ srcPacking->SwapBytes);
- if (applyTransferOps) {
- /* scale and bias colors */
- gl_scale_and_bias_rgba_float(ctx, n, rgba);
-
- /* color table lookup */
- if (ctx->Pixel.MapColorFlag) {
- gl_map_rgba_float(ctx, n, rgba);
- }
+ /* scale and bias colors */
+ 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);
}
}
-
- /*
- * 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 (transferOps) {
+ /* 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);
+ }
+ }
/* clamp to [0,1] */
{
}
+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 *srcPacking,
+ GLuint transferOps, 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);
+
+ /* 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,
+ srcPacking);
+
+ if (dstFormat == GL_COLOR_INDEX
+ && (transferOps & IMAGE_MAP_COLOR_BIT)) {
+ _mesa_map_ci(ctx, n, indexes);
+ }
+ if (transferOps & IMAGE_SHIFT_OFFSET_BIT) {
+ _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,
+ srcPacking->SwapBytes);
+
+ /* scale and bias colors */
+ 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);
+ }
+ }
+
+ if (transferOps) {
+ /* GL_COLOR_TABLE lookup */
+ if (transferOps & IMAGE_COLOR_TABLE_BIT) {
+ _mesa_lookup_rgba(&ctx->ColorTable, n, rgba);
+ }
+ /* convolution */
+ if (transferOps & IMAGE_CONVOLUTION_BIT) {
+ /* XXX to do */
+ }
+ /* 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);
+ }
+ }
+
+ /* 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_color_span()");
+ return;
+ }
+
+ /* Now pack results in the 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
- * the pixel unpacking parameters. Apply pixel transfer ops if enabled
- * and applyTransferOps is true.
+ * the pixel unpacking parameters.
* This is (or will be) used by glDrawPixels, glTexImage[123]D, etc.
*
* Args: ctx - the context
* dest - destination array
* srcType - source pixel type
* source - source data pointer
- * unpacking - pixel unpacking parameters
- * applyTransferOps - apply offset/bias/lookup ops?
+ * srcPacking - pixel unpacking parameters
+ * transferOps - the pixel transfer operations to apply
*/
void
_mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *unpacking,
- GLboolean applyTransferOps )
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLuint transferOps )
{
ASSERT(srcType == GL_BITMAP ||
srcType == GL_UNSIGNED_BYTE ||
dstType == GL_UNSIGNED_SHORT ||
dstType == GL_UNSIGNED_INT);
- applyTransferOps &= (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset || ctx->Pixel.MapColorFlag);
+
+ transferOps &= (IMAGE_MAP_COLOR_BIT | IMAGE_SHIFT_OFFSET_BIT);
/*
* Try simple cases first
*/
- if (!applyTransferOps && srcType == GL_UNSIGNED_BYTE
+ if (transferOps == 0 && srcType == GL_UNSIGNED_BYTE
&& dstType == GL_UNSIGNED_BYTE) {
MEMCPY(dest, source, n * sizeof(GLubyte));
}
- else if (!applyTransferOps && srcType == GL_UNSIGNED_INT
- && dstType == GL_UNSIGNED_INT && !unpacking->SwapBytes) {
+ else if (transferOps == 0 && srcType == GL_UNSIGNED_INT
+ && dstType == GL_UNSIGNED_INT && !srcPacking->SwapBytes) {
MEMCPY(dest, source, n * sizeof(GLuint));
}
else {
assert(n <= MAX_WIDTH);
extract_uint_indexes(n, indexes, GL_COLOR_INDEX, srcType, source,
- unpacking);
+ srcPacking);
- if (applyTransferOps) {
- if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) {
- /* shift and offset indexes */
- gl_shift_and_offset_ci(ctx, n, indexes);
- }
-
- if (ctx->Pixel.MapColorFlag) {
- /* Apply lookup table */
- gl_map_ci(ctx, n, indexes);
- }
+ if (transferOps & IMAGE_SHIFT_OFFSET_BIT) {
+ /* shift and offset indexes */
+ _mesa_shift_and_offset_ci(ctx, n, indexes);
+ }
+ if (transferOps & IMAGE_MAP_COLOR_BIT) {
+ /* Apply lookup table */
+ _mesa_map_ci(ctx, n, indexes);
}
/* convert to dest type */
/*
* Unpack a row of stencil data from a client buffer according to
- * the pixel unpacking parameters. Apply pixel transfer ops if enabled
- * and applyTransferOps is true.
+ * the pixel unpacking parameters.
* This is (or will be) used by glDrawPixels
*
* Args: ctx - the context
* dest - destination array
* srcType - source pixel type
* source - source data pointer
- * unpacking - pixel unpacking parameters
- * applyTransferOps - apply offset/bias/lookup ops?
+ * srcPacking - pixel unpacking parameters
+ * transferOps - apply offset/bias/lookup ops?
*/
void
_mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *unpacking,
- GLboolean applyTransferOps )
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLuint transferOps )
{
ASSERT(srcType == GL_BITMAP ||
srcType == GL_UNSIGNED_BYTE ||
dstType == GL_UNSIGNED_SHORT ||
dstType == GL_UNSIGNED_INT);
- applyTransferOps &= (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset || ctx->Pixel.MapColorFlag);
+ /* only shift and offset apply to stencil */
+ transferOps &= IMAGE_SHIFT_OFFSET_BIT;
/*
* Try simple cases first
*/
- if (!applyTransferOps && srcType == GL_UNSIGNED_BYTE
- && dstType == GL_UNSIGNED_BYTE) {
+ if (transferOps == 0 &&
+ srcType == GL_UNSIGNED_BYTE &&
+ dstType == GL_UNSIGNED_BYTE) {
MEMCPY(dest, source, n * sizeof(GLubyte));
}
- else if (!applyTransferOps && srcType == GL_UNSIGNED_INT
- && dstType == GL_UNSIGNED_INT && !unpacking->SwapBytes) {
+ else if (transferOps == 0 &&
+ srcType == GL_UNSIGNED_INT &&
+ dstType == GL_UNSIGNED_INT &&
+ !srcPacking->SwapBytes) {
MEMCPY(dest, source, n * sizeof(GLuint));
}
else {
assert(n <= MAX_WIDTH);
extract_uint_indexes(n, indexes, GL_COLOR_INDEX, srcType, source,
- unpacking);
+ srcPacking);
- if (applyTransferOps) {
- if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) {
+ if (transferOps) {
+ if (transferOps & IMAGE_SHIFT_OFFSET_BIT) {
/* shift and offset indexes */
- gl_shift_and_offset_ci(ctx, n, indexes);
+ _mesa_shift_and_offset_ci(ctx, n, indexes);
}
if (ctx->Pixel.MapStencilFlag) {
void
_mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLdepth *dest,
GLenum srcType, const GLvoid *source,
- const struct gl_pixelstore_attrib *unpacking,
- GLboolean applyTransferOps )
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLuint transferOps )
{
GLfloat *depth = MALLOC(n * sizeof(GLfloat));
if (!depth)
break;
default:
gl_problem(NULL, "bad type in _mesa_unpack_depth_span()");
+ FREE(depth);
return;
}
/* clamp depth values to [0,1] and convert from floats to integers */
{
- const GLfloat zs = ctx->Visual->DepthMaxF;
+ const GLfloat zs = ctx->Visual.DepthMaxF;
GLuint i;
for (i = 0; i < n; i++) {
dest[i] = (GLdepth) (CLAMP(depth[i], 0.0F, 1.0F) * zs);
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 */
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;
}
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;
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 {
width_in_bytes = CEILING( width, 8 );
src = source;
for (row = 0; row < height; row++) {
- GLubyte *dst = gl_pixel_addr_in_image( packing, dest, width, height,
- GL_COLOR_INDEX, GL_BITMAP,
- 0, row, 0 );
+ 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) {
- gl_flip_bytes( dst, width_in_bytes );
+ flip_bytes( dst, width_in_bytes );
}
}
else {
projects / mesa.git / blobdiff