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updated with bug fix from 3.4 branch

tags/mesa_3_5
Brian Paul 26 år sedan
förälder
5605385194
incheckning
71be653edc
1 ändrade filer med 196 tillägg och 148 borttagningar
Delad Vy Visa Diff Statistik
  1. 196
    148
      src/mesa/main/texutil.c

+ 196
- 148
src/mesa/main/texutil.c Visa fil

@@ -1,8 +1,8 @@
/* $Id: texutil.c,v 1.8 2000/10/29 18:12:15 brianp Exp $ */
/* $Id: texutil.c,v 1.9 2000/11/09 22:41:25 brianp Exp $ */

/*
* Mesa 3-D graphics library
* Version: 3.5
* Version: 3.4
*
* Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
*
@@ -127,8 +127,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
/* store as 8-bit texels */
if (wScale == 1 && hScale == 1) {
/* no scaling needed - fast case */
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLubyte *dst = (GLubyte *) dstImage;
@@ -145,8 +146,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
dst[col] = src[col / wScale];
@@ -164,8 +166,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else {
/* store as 16-bit texels */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLushort *dst = (GLushort *) dstImage;
@@ -186,8 +189,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row, col;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
for (col = 0; col < dstWidth; col++) {
@@ -207,8 +211,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_RGB && srcType == GL_UNSIGNED_SHORT_5_6_5) {
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLushort *dst = (GLushort *) dstImage;
@@ -225,8 +230,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLushort *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLushort *src = (const GLushort *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
dst[col] = src[col / wScale];
@@ -238,8 +244,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
#ifdef DO_32BIT_STORES
@@ -290,8 +297,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
GLint col3 = (col / wScale) * 3;
@@ -309,8 +317,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case (used by Quake3) */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
#ifdef DO_32BIT_STORES
@@ -361,8 +370,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
GLint col4 = (col / wScale) * 4;
@@ -388,8 +398,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV){
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLushort *dst = (GLushort *) dstImage;
@@ -406,8 +417,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLushort *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLushort *src = (const GLushort *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
dst[col] = src[col / wScale];
@@ -419,8 +431,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
#ifdef DO_32BIT_STORES
@@ -477,8 +490,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
GLint col4 = (col / wScale) * 4;
@@ -506,8 +520,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV){
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLushort *dst = (GLushort *) dstImage;
@@ -524,8 +539,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLushort *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLushort *src = (const GLushort *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
dst[col] = src[col / wScale];
@@ -537,8 +553,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLushort *dst = (GLushort *) dstImage;
@@ -565,8 +582,9 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
GLint col4 = (col / wScale) * 4;
@@ -595,11 +613,12 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV){
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLuint *dst = dstImage;
GLuint *dst = (GLuint *) dstImage;
GLint row;
for (row = 0; row < dstHeight; row++) {
MEMCPY(dst, src, dstWidth * sizeof(GLuint));
@@ -609,12 +628,13 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
}
else {
/* must rescale image */
GLuint *dst = dstImage;
GLuint *dst = (GLuint *) dstImage;
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLuint *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLuint *src = (const GLuint *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
dst[col] = src[col / wScale];
@@ -626,11 +646,12 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLuint *dst = dstImage;
GLuint *dst = (GLuint *) dstImage;
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint col, col4;
@@ -647,12 +668,13 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
}
else {
/* must rescale image */
GLuint *dst = dstImage;
GLuint *dst = (GLuint *) dstImage;
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
GLint col4 = (col / wScale) * 4;
@@ -669,11 +691,12 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
srcWidth, srcFormat, srcType);
GLuint *dst = dstImage;
GLuint *dst = (GLuint *) dstImage;
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint col, col3;
@@ -681,7 +704,7 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
GLubyte r = src[col3 + 0];
GLubyte g = src[col3 + 1];
GLubyte b = src[col3 + 2];
GLubyte a = CHAN_MAX;
GLubyte a = 255;
dst[col] = (a << 24) | (r << 16) | (g << 8) | b;
}
src += srcStride;
@@ -690,19 +713,20 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
}
else {
/* must rescale image */
GLuint *dst = dstImage;
GLuint *dst = (GLuint *) dstImage;
GLint row;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < dstWidth; col++) {
GLint col3 = (col / wScale) * 3;
GLubyte r = src[col3 + 0];
GLubyte g = src[col3 + 1];
GLubyte b = src[col3 + 2];
GLubyte a = CHAN_MAX;
GLubyte a = 255;
dst[col] = (a << 24) | (r << 16) | (g << 8) | b;
}
dst = (GLuint *) ((GLubyte *) dst + dstRowStride);
@@ -715,7 +739,7 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
}
if (dstFormat == MESA_FF_R8_G8_B8) {
/* set alpha bytes to 0xff */
GLuint i;
GLint i;
GLubyte *dst = (GLubyte *) dstImage;
for (i = 0; i < dstWidth * dstHeight; i++) {
dst[i * 4 + 3] = 0xff;
@@ -736,11 +760,11 @@ _mesa_convert_teximage(MesaIntTexFormat dstFormat,
* Replace a subregion of a texture image with new data.
* Input:
* dstFormat - destination image format
* dstXoffset, dstYoffset - destination for new subregion
* dstWidth, dstHeight - total size of dest image
* dstXoffset, dstYoffset - destination for new subregion (in texels)
* dstWidth, dstHeight - total size of dest image (in texels)
* dstImage - pointer to dest image
* dstRowStride - bytes to jump between image rows
* width, height - size of region to copy/replace
* dstRowStride - bytes to jump between image rows (in bytes)
* width, height - size of region to copy/replace (in texels)
* srcWidth, srcHeight - size of the corresponding gl_texture_image
* srcFormat, srcType - source image format and datatype
* srcImage - source image
@@ -796,8 +820,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
/* store as 8-bit texels */
if (wScale == 1 && hScale == 1) {
/* no scaling needed - fast case */
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLubyte *dst = (GLubyte *) dstImage
@@ -816,8 +841,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
dst[col] = src[col / wScale];
@@ -835,8 +861,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
else {
/* store as 16-bit texels */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -859,8 +886,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row, col;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
for (col = 0; col < width; col++) {
@@ -880,8 +908,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_RGB && srcType == GL_UNSIGNED_SHORT_5_6_5) {
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -900,8 +929,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLushort *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLushort *src = (const GLushort *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
dst[col] = src[col / wScale];
@@ -913,8 +943,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -941,8 +972,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
GLint col3 = (col / wScale) * 3;
@@ -960,8 +992,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case (used by Quake3) */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -988,8 +1021,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
GLint col4 = (col / wScale) * 4;
@@ -1015,8 +1049,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV){
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -1035,8 +1070,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLushort *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLushort *src = (const GLushort *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
dst[col] = src[col / wScale];
@@ -1048,8 +1084,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -1078,8 +1115,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
GLint col4 = (col / wScale) * 4;
@@ -1107,8 +1145,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV){
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -1127,8 +1166,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLushort *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLushort *src = (const GLushort *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
dst[col] = src[col / wScale];
@@ -1140,8 +1180,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLushort *dst = (GLushort *) ((GLubyte *) dstImage
@@ -1170,8 +1211,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
GLint col4 = (col / wScale) * 4;
@@ -1197,11 +1239,12 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
case MESA_A8_R8_G8_B8:
case MESA_FF_R8_G8_B8:
/* 32-bit texels */
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV){
if (srcFormat == GL_BGRA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) {
/* special, optimized case */
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLuint *dst = (GLuint *) ((GLubyte *) dstImage
@@ -1220,8 +1263,9 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLuint *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLuint *src = (const GLuint *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
dst[col] = src[col / wScale];
@@ -1229,12 +1273,27 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
dst = (GLuint *) ((GLubyte *) dst + dstRowStride);
}
}
if (dstFormat == MESA_FF_R8_G8_B8) {
/* set alpha bytes to 0xff */
GLint row, col;
GLubyte *dst = (GLubyte *) dstImage
+ dstYoffset * dstRowStride + dstXoffset * 4;
assert(wScale == 1 && hScale == 1); /* XXX not done */
for (row = 0; row < height; row++) {
for (col = 0; col < width; col++) {
dst[col * 4 + 3] = 0xff;
}
dst = dst + dstRowStride;
}
}
}
else if (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE) {
/* general case */
const GLubyte aMask = (dstFormat==MESA_FF_R8_G8_B8) ? 0xff : 0x00;
if (wScale == 1 && hScale == 1) {
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
const GLint srcStride = _mesa_image_row_stride(packing,
width, srcFormat, srcType);
GLuint *dst = (GLuint *) ((GLubyte *) dstImage
@@ -1246,7 +1305,7 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLubyte r = src[col4 + 0];
GLubyte g = src[col4 + 1];
GLubyte b = src[col4 + 2];
GLubyte a = src[col4 + 3];
GLubyte a = src[col4 + 3] | aMask;
dst[col] = (a << 24) | (r << 16) | (g << 8) | b;
}
src += srcStride;
@@ -1260,15 +1319,16 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
GLint row;
for (row = 0; row < height; row++) {
GLint srcRow = row / hScale;
const GLubyte *src = _mesa_image_address(packing, srcImage,
srcWidth, srcHeight, srcFormat, srcType, 0, srcRow, 0);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(packing, srcImage, srcWidth,
srcHeight, srcFormat, srcType, 0, srcRow, 0);
GLint col;
for (col = 0; col < width; col++) {
GLint col4 = (col / wScale) * 4;
GLubyte r = src[col4 + 0];
GLubyte g = src[col4 + 1];
GLubyte b = src[col4 + 2];
GLubyte a = src[col4 + 3];
GLubyte a = src[col4 + 3] | aMask;
dst[col] = (a << 24) | (r << 16) | (g << 8) | b;
}
dst = (GLuint *) ((GLubyte *) dst + dstRowStride);
@@ -1279,18 +1339,6 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,
/* can't handle this source format/type combination */
return GL_FALSE;
}
if (dstFormat == MESA_FF_R8_G8_B8) {
/* set alpha bytes to 0xff */
GLint row, col;
GLubyte *dst = (GLubyte *) dstImage
+ dstYoffset * dstRowStride + dstXoffset;
for (row = 0; row < height; row++) {
for (col = 0; col < width; col++) {
dst[col * 4 + 3] = 0xff;
}
dst = dst + dstRowStride;
}
}
break;


@@ -1305,21 +1353,21 @@ _mesa_convert_texsubimage(MesaIntTexFormat dstFormat,


/*
* Used to convert 16-bit texels into GLchan color components.
* Used to convert 16-bit texels into GLubyte color components.
*/
static GLchan R5G6B5toRed[0xffff];
static GLchan R5G6B5toGreen[0xffff];
static GLchan R5G6B5toBlue[0xffff];
static GLubyte R5G6B5toRed[0xffff];
static GLubyte R5G6B5toGreen[0xffff];
static GLubyte R5G6B5toBlue[0xffff];

static GLchan A4R4G4B4toRed[0xffff];
static GLchan A4R4G4B4toGreen[0xffff];
static GLchan A4R4G4B4toBlue[0xffff];
static GLchan A4R4G4B4toAlpha[0xffff];
static GLubyte A4R4G4B4toRed[0xffff];
static GLubyte A4R4G4B4toGreen[0xffff];
static GLubyte A4R4G4B4toBlue[0xffff];
static GLubyte A4R4G4B4toAlpha[0xffff];

static GLchan A1R5G5B5toRed[0xffff];
static GLchan A1R5G5B5toGreen[0xffff];
static GLchan A1R5G5B5toBlue[0xffff];
static GLchan A1R5G5B5toAlpha[0xffff];
static GLubyte A1R5G5B5toRed[0xffff];
static GLubyte A1R5G5B5toGreen[0xffff];
static GLubyte A1R5G5B5toBlue[0xffff];
static GLubyte A1R5G5B5toAlpha[0xffff];

static void
generate_lookup_tables(void)
@@ -1329,9 +1377,9 @@ generate_lookup_tables(void)
GLint r = (i >> 8) & 0xf8;
GLint g = (i >> 3) & 0xfc;
GLint b = (i << 3) & 0xf8;
r = r * CHAN_MAX / 0xf8;
g = g * CHAN_MAX / 0xfc;
b = b * CHAN_MAX / 0xf8;
r = r * 255 / 0xf8;
g = g * 255 / 0xfc;
b = b * 255 / 0xf8;
R5G6B5toRed[i] = r;
R5G6B5toGreen[i] = g;
R5G6B5toBlue[i] = b;
@@ -1342,10 +1390,10 @@ generate_lookup_tables(void)
GLint g = (i >> 4) & 0xf;
GLint b = (i ) & 0xf;
GLint a = (i >> 12) & 0xf;
r = r * CHAN_MAX / 0xf;
g = g * CHAN_MAX / 0xf;
b = b * CHAN_MAX / 0xf;
a = a * CHAN_MAX / 0xf;
r = r * 255 / 0xf;
g = g * 255 / 0xf;
b = b * 255 / 0xf;
a = a * 255 / 0xf;
A4R4G4B4toRed[i] = r;
A4R4G4B4toGreen[i] = g;
A4R4G4B4toBlue[i] = b;
@@ -1357,10 +1405,10 @@ generate_lookup_tables(void)
GLint g = (i >> 5) & 0xf8;
GLint b = (i ) & 0xf8;
GLint a = (i >> 15) & 0x1;
r = r * CHAN_MAX / 0xf8;
g = g * CHAN_MAX / 0xf8;
b = b * CHAN_MAX / 0xf8;
a = a * CHAN_MAX;
r = r * 255 / 0xf8;
g = g * 255 / 0xf8;
b = b * 255 / 0xf8;
a = a * 255;
A1R5G5B5toRed[i] = r;
A1R5G5B5toGreen[i] = g;
A1R5G5B5toBlue[i] = b;
@@ -1393,7 +1441,7 @@ _mesa_unconvert_teximage(MesaIntTexFormat srcFormat,
GLint srcWidth, GLint srcHeight,
const GLvoid *srcImage, GLint srcRowStride,
GLint dstWidth, GLint dstHeight,
GLenum dstFormat, GLchan *dstImage)
GLenum dstFormat, GLubyte *dstImage)
{
static GLboolean firstCall = GL_TRUE;
const GLint wScale = srcWidth / dstWidth; /* must be power of two */
@@ -1429,11 +1477,11 @@ _mesa_unconvert_teximage(MesaIntTexFormat srcFormat,
#endif
if (wScale == 1 && hScale == 1) {
/* easy! */
MEMCPY(dstImage, srcImage, dstWidth * dstHeight * sizeof(GLchan));
MEMCPY(dstImage, srcImage, dstWidth * dstHeight * sizeof(GLubyte));
}
else {
/* rescale */
const GLchan *src8 = (const GLchan *) srcImage;
const GLubyte *src8 = (const GLubyte *) srcImage;
GLint row, col;
for (row = 0; row < dstHeight; row++) {
GLint srcRow = row * hScale;

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