#include "mipmap.h"
#include "imports.h"
#include "texcompress.h"
-#include "texformat.h"
+#include "texcompress_fxt1.h"
+#include "texcompress_s3tc.h"
#include "teximage.h"
#include "texstore.h"
#include "enums.h"
};
+/**
+ * Texture image storage function.
+ */
+typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS);
+
+
/**
* Return GL_TRUE if the given image format is one that be converted
* to another format by swizzling.
}
-#if !FEATURE_convolve
-static void
-_mesa_adjust_image_for_convolution(GLcontext *ctx, GLuint dims,
- GLsizei *srcWidth, GLsizei *srcHeight)
-{
- /* no-op */
-}
-#endif
-
-
/**
* Make a temporary (color) texture image with GLfloat components.
* Apply all needed pixel unpacking and pixel transfer operations.
const GLuint postConvTransferOps
= (transferOps & IMAGE_POST_CONVOLUTION_BITS) | IMAGE_CLAMP_BIT;
GLint img, row;
- GLint convWidth, convHeight;
+ GLint convWidth = srcWidth, convHeight = srcHeight;
GLfloat *convImage;
/* pre-convolution image buffer (3D) */
else {
/* no convolution */
const GLint components = _mesa_components_in_format(logicalBaseFormat);
- const GLint srcStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
+ const GLint srcStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
GLfloat *dst;
GLint img, row;
/* unpack and transfer the source image */
tempImage = (GLchan *) _mesa_malloc(srcWidth * srcHeight * srcDepth
* components * sizeof(GLchan));
- if (!tempImage)
+ if (!tempImage) {
+ if (freeSrcImage) {
+ _mesa_free((void *) srcAddr);
+ }
return NULL;
+ }
dst = tempImage;
for (img = 0; img < srcDepth; img++) {
- const GLint srcStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat,
- srcType);
- const GLubyte *src
- = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
- srcWidth, srcHeight,
- srcFormat, srcType,
- img, 0, 0);
+ const GLint srcStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
+ const GLubyte *src =
+ (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ img, 0, 0);
for (row = 0; row < srcHeight; row++) {
_mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst,
srcFormat, srcType, src, srcPacking,
static void
memcpy_texture(GLcontext *ctx,
GLuint dimensions,
- const struct gl_texture_format *dstFormat,
+ gl_format dstFormat,
GLvoid *dstAddr,
GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
GLint dstRowStride,
srcWidth, srcHeight, srcFormat, srcType);
const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions,
srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
- const GLint bytesPerRow = srcWidth * dstFormat->TexelBytes;
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLint bytesPerRow = srcWidth * texelBytes;
#if 0
/* XXX update/re-enable for dstImageOffsets array */
GLubyte *dstImage = (GLubyte *) dstAddr
+ dstZoffset * dstImageStride
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
if (dstRowStride == srcRowStride &&
dstRowStride == bytesPerRow &&
for (img = 0; img < srcDepth; img++) {
const GLubyte *srcRow = srcImage;
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
dstRow += dstRowStride;
/**
- * Store an image in any of the formats:
- * _mesa_texformat_rgba
- * _mesa_texformat_rgb
- * _mesa_texformat_alpha
- * _mesa_texformat_luminance
- * _mesa_texformat_luminance_alpha
- * _mesa_texformat_intensity
- *
+ * Store a 32-bit integer depth component texture image.
*/
-GLboolean
-_mesa_texstore_rgba(TEXSTORE_PARAMS)
+static GLboolean
+_mesa_texstore_z32(TEXSTORE_PARAMS)
{
- const GLint components = _mesa_components_in_format(baseInternalFormat);
-
- ASSERT(dstFormat == &_mesa_texformat_rgba ||
- dstFormat == &_mesa_texformat_rgb ||
- dstFormat == &_mesa_texformat_alpha ||
- dstFormat == &_mesa_texformat_luminance ||
- dstFormat == &_mesa_texformat_luminance_alpha ||
- dstFormat == &_mesa_texformat_intensity);
- ASSERT(baseInternalFormat == GL_RGBA ||
- baseInternalFormat == GL_RGB ||
- baseInternalFormat == GL_ALPHA ||
- baseInternalFormat == GL_LUMINANCE ||
- baseInternalFormat == GL_LUMINANCE_ALPHA ||
- baseInternalFormat == GL_INTENSITY);
- ASSERT(dstFormat->TexelBytes == components * sizeof(GLchan));
+ const GLuint depthScale = 0xffffffff;
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ (void) dims;
+ ASSERT(dstFormat == MESA_FORMAT_Z32);
+ ASSERT(texelBytes == sizeof(GLuint));
- if (!ctx->_ImageTransferState &&
+ if (ctx->Pixel.DepthScale == 1.0f &&
+ ctx->Pixel.DepthBias == 0.0f &&
!srcPacking->SwapBytes &&
- baseInternalFormat == srcFormat &&
- srcType == CHAN_TYPE) {
+ baseInternalFormat == GL_DEPTH_COMPONENT &&
+ srcFormat == GL_DEPTH_COMPONENT &&
+ srcType == GL_UNSIGNED_INT) {
/* simple memcpy path */
memcpy_texture(ctx, dims,
dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
srcWidth, srcHeight, srcDepth, srcFormat, srcType,
srcAddr, srcPacking);
}
- else if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_rgb &&
- srcFormat == GL_RGBA &&
- srcType == CHAN_TYPE) {
- /* extract RGB from RGBA */
- GLint img, row, col;
+ else {
+ /* general path */
+ GLint img, row;
for (img = 0; img < srcDepth; img++) {
- GLchan *dstImage = (GLchan *)
- ((GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
- + dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes);
-
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
- GLchan *srcRow = (GLchan *) _mesa_image_address(dims, srcPacking,
- srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
- GLchan *dstRow = dstImage;
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
- for (col = 0; col < srcWidth; col++) {
- dstRow[col * 3 + RCOMP] = srcRow[col * 4 + RCOMP];
- dstRow[col * 3 + GCOMP] = srcRow[col * 4 + GCOMP];
- dstRow[col * 3 + BCOMP] = srcRow[col * 4 + BCOMP];
- }
- dstRow += dstRowStride / sizeof(GLchan);
- srcRow = (GLchan *) ((GLubyte *) srcRow + srcRowStride);
+ const GLvoid *src = _mesa_image_address(dims, srcPacking,
+ srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+ _mesa_unpack_depth_span(ctx, srcWidth,
+ GL_UNSIGNED_INT, (GLuint *) dstRow,
+ depthScale, srcType, src, srcPacking);
+ dstRow += dstRowStride;
}
}
}
- else if (!ctx->_ImageTransferState &&
- CHAN_TYPE == GL_UNSIGNED_BYTE &&
- (srcType == GL_UNSIGNED_BYTE ||
- srcType == GL_UNSIGNED_INT_8_8_8_8 ||
- srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
- can_swizzle(baseInternalFormat) &&
- can_swizzle(srcFormat)) {
+ return GL_TRUE;
+}
- const GLubyte *dstmap;
- GLuint components;
- /* dstmap - how to swizzle from RGBA to dst format:
- */
- if (dstFormat == &_mesa_texformat_rgba) {
- dstmap = mappings[IDX_RGBA].from_rgba;
- components = 4;
- }
- else if (dstFormat == &_mesa_texformat_rgb) {
- dstmap = mappings[IDX_RGB].from_rgba;
- components = 3;
- }
- else if (dstFormat == &_mesa_texformat_alpha) {
- dstmap = mappings[IDX_ALPHA].from_rgba;
- components = 1;
- }
- else if (dstFormat == &_mesa_texformat_luminance) {
- dstmap = mappings[IDX_LUMINANCE].from_rgba;
- components = 1;
- }
- else if (dstFormat == &_mesa_texformat_luminance_alpha) {
- dstmap = mappings[IDX_LUMINANCE_ALPHA].from_rgba;
- components = 2;
- }
- else if (dstFormat == &_mesa_texformat_intensity) {
- dstmap = mappings[IDX_INTENSITY].from_rgba;
- components = 1;
- }
- else {
- _mesa_problem(ctx, "Unexpected dstFormat in _mesa_texstore_rgba");
- return GL_FALSE;
- }
+/**
+ * Store a 24-bit integer depth component texture image.
+ */
+static GLboolean
+_mesa_texstore_x8_z24(TEXSTORE_PARAMS)
+{
+ const GLuint depthScale = 0xffffff;
+ const GLuint texelBytes = 4;
- _mesa_swizzle_ubyte_image(ctx, dims,
- srcFormat,
- srcType,
- baseInternalFormat,
- dstmap, components,
- dstAddr, dstXoffset, dstYoffset, dstZoffset,
- dstRowStride, dstImageOffsets,
- srcWidth, srcHeight, srcDepth, srcAddr,
- srcPacking);
- }
- else {
+ (void) dims;
+ ASSERT(dstFormat == MESA_FORMAT_X8_Z24);
+
+ {
/* general path */
- const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- dstFormat->BaseFormat,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- const GLchan *src = tempImage;
- GLint bytesPerRow;
GLint img, row;
- if (!tempImage)
- return GL_FALSE;
- _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
- bytesPerRow = srcWidth * components * sizeof(GLchan);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
- _mesa_memcpy(dstRow, src, bytesPerRow);
+ const GLvoid *src = _mesa_image_address(dims, srcPacking,
+ srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+ _mesa_unpack_depth_span(ctx, srcWidth,
+ GL_UNSIGNED_INT, (GLuint *) dstRow,
+ depthScale, srcType, src, srcPacking);
dstRow += dstRowStride;
- src += srcWidth * components;
}
}
-
- _mesa_free((void *) tempImage);
}
return GL_TRUE;
}
/**
- * Store a 32-bit integer depth component texture image.
+ * Store a 24-bit integer depth component texture image.
*/
-GLboolean
-_mesa_texstore_z32(TEXSTORE_PARAMS)
+static GLboolean
+_mesa_texstore_z24_x8(TEXSTORE_PARAMS)
{
- const GLuint depthScale = 0xffffffff;
+ const GLuint depthScale = 0xffffff;
+ const GLuint texelBytes = 4;
+
(void) dims;
- ASSERT(dstFormat == &_mesa_texformat_z32);
- ASSERT(dstFormat->TexelBytes == sizeof(GLuint));
+ ASSERT(dstFormat == MESA_FORMAT_Z24_X8);
- if (ctx->Pixel.DepthScale == 1.0f &&
- ctx->Pixel.DepthBias == 0.0f &&
- !srcPacking->SwapBytes &&
- baseInternalFormat == GL_DEPTH_COMPONENT &&
- srcFormat == GL_DEPTH_COMPONENT &&
- srcType == GL_UNSIGNED_INT) {
- /* simple memcpy path */
- memcpy_texture(ctx, dims,
- dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
- dstRowStride,
- dstImageOffsets,
- srcWidth, srcHeight, srcDepth, srcFormat, srcType,
- srcAddr, srcPacking);
- }
- else {
+ {
/* general path */
GLint img, row;
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
const GLvoid *src = _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
+ GLuint *dst = (GLuint *) dstRow;
+ GLint i;
_mesa_unpack_depth_span(ctx, srcWidth,
- GL_UNSIGNED_INT, (GLuint *) dstRow,
+ GL_UNSIGNED_INT, dst,
depthScale, srcType, src, srcPacking);
+ for (i = 0; i < srcWidth; i++)
+ dst[i] <<= 8;
dstRow += dstRowStride;
}
}
return GL_TRUE;
}
-#define STRIDE_3D 0
/**
* Store a 16-bit integer depth component texture image.
*/
-GLboolean
+static GLboolean
_mesa_texstore_z16(TEXSTORE_PARAMS)
{
const GLuint depthScale = 0xffff;
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
(void) dims;
- ASSERT(dstFormat == &_mesa_texformat_z16);
- ASSERT(dstFormat->TexelBytes == sizeof(GLushort));
+ ASSERT(dstFormat == MESA_FORMAT_Z16);
+ ASSERT(texelBytes == sizeof(GLushort));
if (ctx->Pixel.DepthScale == 1.0f &&
ctx->Pixel.DepthBias == 0.0f &&
GLint img, row;
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
const GLvoid *src = _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
/**
* Store an rgb565 or rgb565_rev texture image.
*/
-GLboolean
+static GLboolean
_mesa_texstore_rgb565(TEXSTORE_PARAMS)
{
- ASSERT(dstFormat == &_mesa_texformat_rgb565 ||
- dstFormat == &_mesa_texformat_rgb565_rev);
- ASSERT(dstFormat->TexelBytes == 2);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_RGB565 ||
+ dstFormat == MESA_FORMAT_RGB565_REV);
+ ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_rgb565 &&
+ dstFormat == MESA_FORMAT_RGB565 &&
baseInternalFormat == GL_RGB &&
srcFormat == GL_RGB &&
srcType == GL_UNSIGNED_SHORT_5_6_5) {
srcType == GL_UNSIGNED_BYTE &&
dims == 2) {
/* do optimized tex store */
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth,
- srcFormat, srcType);
+ const GLint srcRowStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
const GLubyte *src = (const GLubyte *)
_mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight,
srcFormat, srcType, 0, 0, 0);
GLubyte *dst = (GLubyte *) dstAddr
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
GLint row, col;
for (row = 0; row < srcHeight; row++) {
const GLubyte *srcUB = (const GLubyte *) src;
GLushort *dstUS = (GLushort *) dst;
/* check for byteswapped format */
- if (dstFormat == &_mesa_texformat_rgb565) {
+ if (dstFormat == MESA_FORMAT_RGB565) {
for (col = 0; col < srcWidth; col++) {
dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] );
srcUB += 3;
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLushort *dstUS = (GLushort *) dstRow;
/* check for byteswapped format */
- if (dstFormat == &_mesa_texformat_rgb565) {
+ if (dstFormat == MESA_FORMAT_RGB565) {
for (col = 0; col < srcWidth; col++) {
dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]),
CHAN_TO_UBYTE(src[GCOMP]),
/**
* Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV.
*/
-GLboolean
+static GLboolean
_mesa_texstore_rgba8888(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
- ASSERT(dstFormat == &_mesa_texformat_rgba8888 ||
- dstFormat == &_mesa_texformat_rgba8888_rev);
- ASSERT(dstFormat->TexelBytes == 4);
+ ASSERT(dstFormat == MESA_FORMAT_RGBA8888 ||
+ dstFormat == MESA_FORMAT_RGBA8888_REV);
+ ASSERT(texelBytes == 4);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_rgba8888 &&
+ dstFormat == MESA_FORMAT_RGBA8888 &&
baseInternalFormat == GL_RGBA &&
((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
(srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
}
else if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_rgba8888_rev &&
+ dstFormat == MESA_FORMAT_RGBA8888_REV &&
baseInternalFormat == GL_RGBA &&
((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
(srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
/* dstmap - how to swizzle from RGBA to dst format:
*/
- if ((littleEndian && dstFormat == &_mesa_texformat_rgba8888) ||
- (!littleEndian && dstFormat == &_mesa_texformat_rgba8888_rev)) {
+ if ((littleEndian && dstFormat == MESA_FORMAT_RGBA8888) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_RGBA8888_REV)) {
dstmap[3] = 0;
dstmap[2] = 1;
dstmap[1] = 2;
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *dstUI = (GLuint *) dstRow;
- if (dstFormat == &_mesa_texformat_rgba8888) {
+ if (dstFormat == MESA_FORMAT_RGBA8888) {
for (col = 0; col < srcWidth; col++) {
dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]),
CHAN_TO_UBYTE(src[GCOMP]),
}
-GLboolean
+static GLboolean
_mesa_texstore_argb8888(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = GL_RGBA;
- ASSERT(dstFormat == &_mesa_texformat_argb8888 ||
- dstFormat == &_mesa_texformat_argb8888_rev);
- ASSERT(dstFormat->TexelBytes == 4);
+ ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
+ dstFormat == MESA_FORMAT_ARGB8888_REV ||
+ dstFormat == MESA_FORMAT_XRGB8888 ||
+ dstFormat == MESA_FORMAT_XRGB8888_REV );
+ ASSERT(texelBytes == 4);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_argb8888 &&
+ (dstFormat == MESA_FORMAT_ARGB8888 ||
+ dstFormat == MESA_FORMAT_XRGB8888) &&
baseInternalFormat == GL_RGBA &&
srcFormat == GL_BGRA &&
((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
}
else if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_argb8888_rev &&
+ (dstFormat == MESA_FORMAT_ARGB8888_REV ||
+ dstFormat == MESA_FORMAT_XRGB8888_REV) &&
baseInternalFormat == GL_RGBA &&
srcFormat == GL_BGRA &&
((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
}
else if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_argb8888 &&
+ (dstFormat == MESA_FORMAT_ARGB8888 ||
+ dstFormat == MESA_FORMAT_XRGB8888) &&
srcFormat == GL_RGB &&
(baseInternalFormat == GL_RGBA ||
baseInternalFormat == GL_RGB) &&
srcType == GL_UNSIGNED_BYTE) {
int img, row, col;
for (img = 0; img < srcDepth; img++) {
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
+ const GLint srcRowStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *d4 = (GLuint *) dstRow;
for (col = 0; col < srcWidth; col++) {
}
else if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_argb8888 &&
+ dstFormat == MESA_FORMAT_ARGB8888 &&
srcFormat == GL_RGBA &&
baseInternalFormat == GL_RGBA &&
srcType == GL_UNSIGNED_BYTE) {
* Strangely the same isn't required for the RGB path, above.
*/
for (img = 0; img < srcDepth; img++) {
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
+ const GLint srcRowStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *d4 = (GLuint *) dstRow;
for (col = 0; col < srcWidth; col++) {
/* dstmap - how to swizzle from RGBA to dst format:
*/
- if ((littleEndian && dstFormat == &_mesa_texformat_argb8888) ||
- (!littleEndian && dstFormat == &_mesa_texformat_argb8888_rev)) {
+ if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+ (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) {
dstmap[3] = 3; /* alpha */
dstmap[2] = 0; /* red */
dstmap[1] = 1; /* green */
dstmap[0] = 2; /* blue */
}
else {
- assert((littleEndian && dstFormat == &_mesa_texformat_argb8888_rev) ||
- (!littleEndian && dstFormat == &_mesa_texformat_argb8888));
+ assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
+ (littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));
dstmap[3] = 2;
dstmap[2] = 1;
dstmap[1] = 0;
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *dstUI = (GLuint *) dstRow;
- if (dstFormat == &_mesa_texformat_argb8888) {
+ if (dstFormat == MESA_FORMAT_ARGB8888) {
for (col = 0; col < srcWidth; col++) {
dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]),
CHAN_TO_UBYTE(src[RCOMP]),
src += 4;
}
}
+ else if (dstFormat == MESA_FORMAT_XRGB8888) {
+ for (col = 0; col < srcWidth; col++) {
+ dstUI[col] = PACK_COLOR_8888( 0xff,
+ CHAN_TO_UBYTE(src[RCOMP]),
+ CHAN_TO_UBYTE(src[GCOMP]),
+ CHAN_TO_UBYTE(src[BCOMP]) );
+ src += 4;
+ }
+ }
else {
for (col = 0; col < srcWidth; col++) {
dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),
}
-GLboolean
+static GLboolean
_mesa_texstore_rgb888(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
- ASSERT(dstFormat == &_mesa_texformat_rgb888);
- ASSERT(dstFormat->TexelBytes == 3);
+ ASSERT(dstFormat == MESA_FORMAT_RGB888);
+ ASSERT(texelBytes == 3);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
/* extract RGB from RGBA */
GLint img, row, col;
for (img = 0; img < srcDepth; img++) {
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
+ const GLint srcRowStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
for (col = 0; col < srcWidth; col++) {
dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
#if 0
if (littleEndian) {
}
-GLboolean
+static GLboolean
_mesa_texstore_bgr888(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
- ASSERT(dstFormat == &_mesa_texformat_bgr888);
- ASSERT(dstFormat->TexelBytes == 3);
+ ASSERT(dstFormat == MESA_FORMAT_BGR888);
+ ASSERT(texelBytes == 3);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
/* extract BGR from RGBA */
int img, row, col;
for (img = 0; img < srcDepth; img++) {
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
+ const GLint srcRowStride =
+ _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
for (col = 0; col < srcWidth; col++) {
dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP];
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
for (col = 0; col < srcWidth; col++) {
dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
return GL_TRUE;
}
-GLboolean
-_mesa_texstore_rgba4444(TEXSTORE_PARAMS)
-{
- ASSERT(dstFormat == &_mesa_texformat_rgba4444);
- ASSERT(dstFormat->TexelBytes == 2);
-
- if (!ctx->_ImageTransferState &&
- !srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_rgba4444 &&
- baseInternalFormat == GL_RGBA &&
- srcFormat == GL_RGBA &&
- srcType == GL_UNSIGNED_SHORT_4_4_4_4){
- /* simple memcpy path */
- memcpy_texture(ctx, dims,
- dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
- dstRowStride,
- dstImageOffsets,
- srcWidth, srcHeight, srcDepth, srcFormat, srcType,
- srcAddr, srcPacking);
- }
- else {
- /* general path */
- const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- dstFormat->BaseFormat,
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- const GLchan *src = tempImage;
- GLint img, row, col;
- if (!tempImage)
- return GL_FALSE;
- _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
- for (img = 0; img < srcDepth; img++) {
- GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
- + dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
- for (row = 0; row < srcHeight; row++) {
- GLushort *dstUS = (GLushort *) dstRow;
- for (col = 0; col < srcWidth; col++) {
- dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[RCOMP]),
- CHAN_TO_UBYTE(src[GCOMP]),
- CHAN_TO_UBYTE(src[BCOMP]),
- CHAN_TO_UBYTE(src[ACOMP]) );
- src += 4;
- }
- dstRow += dstRowStride;
- }
- }
- _mesa_free((void *) tempImage);
- }
- return GL_TRUE;
-}
-GLboolean
+static GLboolean
_mesa_texstore_argb4444(TEXSTORE_PARAMS)
{
- ASSERT(dstFormat == &_mesa_texformat_argb4444 ||
- dstFormat == &_mesa_texformat_argb4444_rev);
- ASSERT(dstFormat->TexelBytes == 2);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_ARGB4444 ||
+ dstFormat == MESA_FORMAT_ARGB4444_REV);
+ ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_argb4444 &&
+ dstFormat == MESA_FORMAT_ARGB4444 &&
baseInternalFormat == GL_RGBA &&
srcFormat == GL_BGRA &&
srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLushort *dstUS = (GLushort *) dstRow;
- if (dstFormat == &_mesa_texformat_argb4444) {
+ if (dstFormat == MESA_FORMAT_ARGB4444) {
for (col = 0; col < srcWidth; col++) {
dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]),
CHAN_TO_UBYTE(src[RCOMP]),
return GL_TRUE;
}
-GLboolean
+static GLboolean
_mesa_texstore_rgba5551(TEXSTORE_PARAMS)
{
- ASSERT(dstFormat == &_mesa_texformat_rgba5551);
- ASSERT(dstFormat->TexelBytes == 2);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_RGBA5551);
+ ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_rgba5551 &&
+ dstFormat == MESA_FORMAT_RGBA5551 &&
baseInternalFormat == GL_RGBA &&
srcFormat == GL_RGBA &&
srcType == GL_UNSIGNED_SHORT_5_5_5_1) {
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLushort *dstUS = (GLushort *) dstRow;
for (col = 0; col < srcWidth; col++) {
return GL_TRUE;
}
-GLboolean
+static GLboolean
_mesa_texstore_argb1555(TEXSTORE_PARAMS)
{
- ASSERT(dstFormat == &_mesa_texformat_argb1555 ||
- dstFormat == &_mesa_texformat_argb1555_rev);
- ASSERT(dstFormat->TexelBytes == 2);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_ARGB1555 ||
+ dstFormat == MESA_FORMAT_ARGB1555_REV);
+ ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_argb1555 &&
+ dstFormat == MESA_FORMAT_ARGB1555 &&
baseInternalFormat == GL_RGBA &&
srcFormat == GL_BGRA &&
srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLushort *dstUS = (GLushort *) dstRow;
- if (dstFormat == &_mesa_texformat_argb1555) {
+ if (dstFormat == MESA_FORMAT_ARGB1555) {
for (col = 0; col < srcWidth; col++) {
dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]),
CHAN_TO_UBYTE(src[RCOMP]),
}
-GLboolean
+static GLboolean
_mesa_texstore_al88(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
- ASSERT(dstFormat == &_mesa_texformat_al88 ||
- dstFormat == &_mesa_texformat_al88_rev);
- ASSERT(dstFormat->TexelBytes == 2);
+ ASSERT(dstFormat == MESA_FORMAT_AL88 ||
+ dstFormat == MESA_FORMAT_AL88_REV);
+ ASSERT(texelBytes == 2);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_al88 &&
+ dstFormat == MESA_FORMAT_AL88 &&
baseInternalFormat == GL_LUMINANCE_ALPHA &&
srcFormat == GL_LUMINANCE_ALPHA &&
srcType == GL_UNSIGNED_BYTE &&
/* dstmap - how to swizzle from RGBA to dst format:
*/
- if ((littleEndian && dstFormat == &_mesa_texformat_al88) ||
- (!littleEndian && dstFormat == &_mesa_texformat_al88_rev)) {
+ if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {
dstmap[0] = 0;
dstmap[1] = 3;
}
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLushort *dstUS = (GLushort *) dstRow;
- if (dstFormat == &_mesa_texformat_al88) {
+ if (dstFormat == MESA_FORMAT_AL88) {
for (col = 0; col < srcWidth; col++) {
/* src[0] is luminance, src[1] is alpha */
dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),
}
-GLboolean
+static GLboolean
+_mesa_texstore_al1616(TEXSTORE_PARAMS)
+{
+ const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
+ dstFormat == MESA_FORMAT_AL1616_REV);
+ ASSERT(texelBytes == 4);
+
+ if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ dstFormat == MESA_FORMAT_AL1616 &&
+ baseInternalFormat == GL_LUMINANCE_ALPHA &&
+ srcFormat == GL_LUMINANCE_ALPHA &&
+ srcType == GL_UNSIGNED_SHORT &&
+ littleEndian) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else {
+ /* general path */
+ const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLfloat *src = tempImage;
+ GLint img, row, col;
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * texelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLuint *dstUI = (GLuint *) dstRow;
+ if (dstFormat == MESA_FORMAT_AL1616) {
+ for (col = 0; col < srcWidth; col++) {
+ /* src[0] is luminance, src[1] is alpha */
+ dstUI[col] = PACK_COLOR_88( FLOAT_TO_USHORT(src[1]),
+ FLOAT_TO_USHORT(src[0]) );
+ src += 2;
+ }
+ }
+ else {
+ for (col = 0; col < srcWidth; col++) {
+ /* src[0] is luminance, src[1] is alpha */
+ dstUI[col] = PACK_COLOR_1616_REV( FLOAT_TO_UBYTE(src[1]),
+ FLOAT_TO_UBYTE(src[0]) );
+ src += 2;
+ }
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ _mesa_free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
+
+
+static GLboolean
_mesa_texstore_rgb332(TEXSTORE_PARAMS)
{
- ASSERT(dstFormat == &_mesa_texformat_rgb332);
- ASSERT(dstFormat->TexelBytes == 1);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_RGB332);
+ ASSERT(texelBytes == 1);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
for (col = 0; col < srcWidth; col++) {
dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]),
/**
* Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8.
*/
-GLboolean
+static GLboolean
_mesa_texstore_a8(TEXSTORE_PARAMS)
{
- ASSERT(dstFormat == &_mesa_texformat_a8 ||
- dstFormat == &_mesa_texformat_l8 ||
- dstFormat == &_mesa_texformat_i8);
- ASSERT(dstFormat->TexelBytes == 1);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_A8 ||
+ dstFormat == MESA_FORMAT_L8 ||
+ dstFormat == MESA_FORMAT_I8);
+ ASSERT(texelBytes == 1);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
/* dstmap - how to swizzle from RGBA to dst format:
*/
- if (dstFormat == &_mesa_texformat_a8) {
+ if (dstFormat == MESA_FORMAT_A8) {
dstmap[0] = 3;
}
else {
/* general path */
const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
for (col = 0; col < srcWidth; col++) {
dstRow[col] = CHAN_TO_UBYTE(src[col]);
-GLboolean
+static GLboolean
_mesa_texstore_ci8(TEXSTORE_PARAMS)
{
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+
(void) dims; (void) baseInternalFormat;
- ASSERT(dstFormat == &_mesa_texformat_ci8);
- ASSERT(dstFormat->TexelBytes == 1);
+ ASSERT(dstFormat == MESA_FORMAT_CI8);
+ ASSERT(texelBytes == 1);
ASSERT(baseInternalFormat == GL_COLOR_INDEX);
if (!ctx->_ImageTransferState &&
GLint img, row;
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
const GLvoid *src = _mesa_image_address(dims, srcPacking,
srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
/**
- * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_rev.
+ * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_REV.
*/
-GLboolean
+static GLboolean
_mesa_texstore_ycbcr(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+
(void) ctx; (void) dims; (void) baseInternalFormat;
- ASSERT((dstFormat == &_mesa_texformat_ycbcr) ||
- (dstFormat == &_mesa_texformat_ycbcr_rev));
- ASSERT(dstFormat->TexelBytes == 2);
+ ASSERT((dstFormat == MESA_FORMAT_YCBCR) ||
+ (dstFormat == MESA_FORMAT_YCBCR_REV));
+ ASSERT(texelBytes == 2);
ASSERT(ctx->Extensions.MESA_ycbcr_texture);
ASSERT(srcFormat == GL_YCBCR_MESA);
ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) ||
/* XXX the logic here _might_ be wrong */
if (srcPacking->SwapBytes ^
(srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^
- (dstFormat == &_mesa_texformat_ycbcr_rev) ^
+ (dstFormat == MESA_FORMAT_YCBCR_REV) ^
!littleEndian) {
GLint img, row;
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
_mesa_swap2((GLushort *) dstRow, srcWidth);
dstRow += dstRowStride;
return GL_TRUE;
}
-GLboolean
+static GLboolean
_mesa_texstore_dudv8(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
- ASSERT(dstFormat == &_mesa_texformat_dudv8);
- ASSERT(dstFormat->TexelBytes == 2);
+ ASSERT(dstFormat == MESA_FORMAT_DUDV8);
+ ASSERT(texelBytes == 2);
ASSERT(ctx->Extensions.ATI_envmap_bumpmap);
ASSERT((srcFormat == GL_DU8DV8_ATI) ||
(srcFormat == GL_DUDV_ATI));
else {
/* general path - note this is defined for 2d textures only */
const GLint components = _mesa_components_in_format(baseInternalFormat);
- const GLint srcStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
+ const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth,
+ srcFormat, srcType);
GLbyte *tempImage, *dst, *src;
GLint row;
src = tempImage;
dst = (GLbyte *) dstAddr
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
- memcpy(dst, src, srcWidth * dstFormat->TexelBytes);
+ memcpy(dst, src, srcWidth * texelBytes);
dst += dstRowStride;
- src += srcWidth * dstFormat->TexelBytes;
+ src += srcWidth * texelBytes;
}
_mesa_free((void *) tempImage);
}
/**
* Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or MESA_FORMAT_SIGNED_RGBA8888_REV
*/
-GLboolean
+static GLboolean
_mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
- ASSERT(dstFormat == &_mesa_texformat_signed_rgba8888 ||
- dstFormat == &_mesa_texformat_signed_rgba8888_rev);
- ASSERT(dstFormat->TexelBytes == 4);
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 ||
+ dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV);
+ ASSERT(texelBytes == 4);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_signed_rgba8888 &&
+ dstFormat == MESA_FORMAT_SIGNED_RGBA8888 &&
baseInternalFormat == GL_RGBA &&
((srcFormat == GL_RGBA && srcType == GL_BYTE && !littleEndian) ||
(srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) {
}
else if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
- dstFormat == &_mesa_texformat_signed_rgba8888_rev &&
+ dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV &&
baseInternalFormat == GL_RGBA &&
((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) ||
(srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) {
/* dstmap - how to swizzle from RGBA to dst format:
*/
- if ((littleEndian && dstFormat == &_mesa_texformat_signed_rgba8888) ||
- (!littleEndian && dstFormat == &_mesa_texformat_signed_rgba8888_rev)) {
+ if ((littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888) ||
+ (!littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV)) {
dstmap[3] = 0;
dstmap[2] = 1;
dstmap[1] = 2;
/* general path */
const GLfloat *tempImage = make_temp_float_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *dstUI = (GLuint *) dstRow;
- if (dstFormat == &_mesa_texformat_signed_rgba8888) {
+ if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) {
for (col = 0; col < srcWidth; col++) {
dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
/**
* Store a combined depth/stencil texture image.
*/
-GLboolean
+static GLboolean
_mesa_texstore_z24_s8(TEXSTORE_PARAMS)
{
const GLfloat depthScale = (GLfloat) 0xffffff;
/ sizeof(GLuint);
GLint img, row;
- ASSERT(dstFormat == &_mesa_texformat_z24_s8);
+ ASSERT(dstFormat == MESA_FORMAT_Z24_S8);
ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
/**
* Store a combined depth/stencil texture image.
*/
-GLboolean
+static GLboolean
_mesa_texstore_s8_z24(TEXSTORE_PARAMS)
{
const GLuint depthScale = 0xffffff;
/ sizeof(GLuint);
GLint img, row;
- ASSERT(dstFormat == &_mesa_texformat_s8_z24);
+ ASSERT(dstFormat == MESA_FORMAT_S8_Z24);
ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
* _mesa_texformat_luminance_alpha_float32
* _mesa_texformat_intensity_float32
*/
-GLboolean
+static GLboolean
_mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
{
- const GLint components = _mesa_components_in_format(dstFormat->BaseFormat);
-
- ASSERT(dstFormat == &_mesa_texformat_rgba_float32 ||
- dstFormat == &_mesa_texformat_rgb_float32 ||
- dstFormat == &_mesa_texformat_alpha_float32 ||
- dstFormat == &_mesa_texformat_luminance_float32 ||
- dstFormat == &_mesa_texformat_luminance_alpha_float32 ||
- dstFormat == &_mesa_texformat_intensity_float32);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+ const GLint components = _mesa_components_in_format(baseFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT32 ||
+ dstFormat == MESA_FORMAT_RGB_FLOAT32 ||
+ dstFormat == MESA_FORMAT_ALPHA_FLOAT32 ||
+ dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 ||
+ dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 ||
+ dstFormat == MESA_FORMAT_INTENSITY_FLOAT32);
ASSERT(baseInternalFormat == GL_RGBA ||
baseInternalFormat == GL_RGB ||
baseInternalFormat == GL_ALPHA ||
baseInternalFormat == GL_LUMINANCE ||
baseInternalFormat == GL_LUMINANCE_ALPHA ||
baseInternalFormat == GL_INTENSITY);
- ASSERT(dstFormat->TexelBytes == components * sizeof(GLfloat));
+ ASSERT(texelBytes == components * sizeof(GLfloat));
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
/* general path */
const GLfloat *tempImage = make_temp_float_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
bytesPerRow = srcWidth * components * sizeof(GLfloat);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
_mesa_memcpy(dstRow, srcRow, bytesPerRow);
dstRow += dstRowStride;
/**
* As above, but store 16-bit floats.
*/
-GLboolean
+static GLboolean
_mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
{
- const GLint components = _mesa_components_in_format(dstFormat->BaseFormat);
-
- ASSERT(dstFormat == &_mesa_texformat_rgba_float16 ||
- dstFormat == &_mesa_texformat_rgb_float16 ||
- dstFormat == &_mesa_texformat_alpha_float16 ||
- dstFormat == &_mesa_texformat_luminance_float16 ||
- dstFormat == &_mesa_texformat_luminance_alpha_float16 ||
- dstFormat == &_mesa_texformat_intensity_float16);
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+ const GLint components = _mesa_components_in_format(baseFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT16 ||
+ dstFormat == MESA_FORMAT_RGB_FLOAT16 ||
+ dstFormat == MESA_FORMAT_ALPHA_FLOAT16 ||
+ dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 ||
+ dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 ||
+ dstFormat == MESA_FORMAT_INTENSITY_FLOAT16);
ASSERT(baseInternalFormat == GL_RGBA ||
baseInternalFormat == GL_RGB ||
baseInternalFormat == GL_ALPHA ||
baseInternalFormat == GL_LUMINANCE ||
baseInternalFormat == GL_LUMINANCE_ALPHA ||
baseInternalFormat == GL_INTENSITY);
- ASSERT(dstFormat->TexelBytes == components * sizeof(GLhalfARB));
+ ASSERT(texelBytes == components * sizeof(GLhalfARB));
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
/* general path */
const GLfloat *tempImage = make_temp_float_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
- + dstImageOffsets[dstZoffset + img] * dstFormat->TexelBytes
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
- + dstXoffset * dstFormat->TexelBytes;
+ + dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLhalfARB *dstTexel = (GLhalfARB *) dstRow;
GLint i;
#if FEATURE_EXT_texture_sRGB
-GLboolean
+static GLboolean
_mesa_texstore_srgb8(TEXSTORE_PARAMS)
{
- const struct gl_texture_format *newDstFormat;
- StoreTexImageFunc store;
+ gl_format newDstFormat;
GLboolean k;
- ASSERT(dstFormat == &_mesa_texformat_srgb8);
+ ASSERT(dstFormat == MESA_FORMAT_SRGB8);
/* reuse normal rgb texstore code */
- newDstFormat = &_mesa_texformat_rgb888;
- store = _mesa_texstore_rgb888;
+ newDstFormat = MESA_FORMAT_RGB888;
- k = store(ctx, dims, baseInternalFormat,
+ k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,
newDstFormat, dstAddr,
dstXoffset, dstYoffset, dstZoffset,
dstRowStride, dstImageOffsets,
}
-GLboolean
+static GLboolean
_mesa_texstore_srgba8(TEXSTORE_PARAMS)
{
- const struct gl_texture_format *newDstFormat;
+ gl_format newDstFormat;
GLboolean k;
- ASSERT(dstFormat == &_mesa_texformat_srgba8);
+ ASSERT(dstFormat == MESA_FORMAT_SRGBA8);
/* reuse normal rgba texstore code */
- newDstFormat = &_mesa_texformat_rgba8888;
-
+ newDstFormat = MESA_FORMAT_RGBA8888;
k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat,
newDstFormat, dstAddr,
dstXoffset, dstYoffset, dstZoffset,
}
-GLboolean
+static GLboolean
_mesa_texstore_sargb8(TEXSTORE_PARAMS)
{
- const struct gl_texture_format *newDstFormat;
+ gl_format newDstFormat;
GLboolean k;
- ASSERT(dstFormat == &_mesa_texformat_sargb8);
+ ASSERT(dstFormat == MESA_FORMAT_SARGB8);
/* reuse normal rgba texstore code */
- newDstFormat = &_mesa_texformat_argb8888;
+ newDstFormat = MESA_FORMAT_ARGB8888;
k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat,
newDstFormat, dstAddr,
}
-GLboolean
+static GLboolean
_mesa_texstore_sl8(TEXSTORE_PARAMS)
{
- const struct gl_texture_format *newDstFormat;
+ gl_format newDstFormat;
GLboolean k;
- ASSERT(dstFormat == &_mesa_texformat_sl8);
+ ASSERT(dstFormat == MESA_FORMAT_SL8);
- newDstFormat = &_mesa_texformat_l8;
+ newDstFormat = MESA_FORMAT_L8;
/* _mesa_textore_a8 handles luminance8 too */
k = _mesa_texstore_a8(ctx, dims, baseInternalFormat,
}
-GLboolean
+static GLboolean
_mesa_texstore_sla8(TEXSTORE_PARAMS)
{
- const struct gl_texture_format *newDstFormat;
+ gl_format newDstFormat;
GLboolean k;
- ASSERT(dstFormat == &_mesa_texformat_sla8);
+ ASSERT(dstFormat == MESA_FORMAT_SLA8);
/* reuse normal luminance/alpha texstore code */
- newDstFormat = &_mesa_texformat_al88;
+ newDstFormat = MESA_FORMAT_AL88;
k = _mesa_texstore_al88(ctx, dims, baseInternalFormat,
newDstFormat, dstAddr,
return k;
}
+#else
+
+/* these are used only in texstore_funcs[] below */
+#define _mesa_texstore_srgb8 NULL
+#define _mesa_texstore_srgba8 NULL
+#define _mesa_texstore_sargb8 NULL
+#define _mesa_texstore_sl8 NULL
+#define _mesa_texstore_sla8 NULL
+
#endif /* FEATURE_EXT_texture_sRGB */
+
+
+/**
+ * Table mapping MESA_FORMAT_8 to _mesa_texstore_*()
+ * XXX this is somewhat temporary.
+ */
+static const struct {
+ gl_format Name;
+ StoreTexImageFunc Store;
+}
+texstore_funcs[MESA_FORMAT_COUNT] =
+{
+ { MESA_FORMAT_NONE, NULL },
+ { MESA_FORMAT_RGBA8888, _mesa_texstore_rgba8888 },
+ { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 },
+ { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },
+ { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },
+ { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },
+ { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 },
+ { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },
+ { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },
+ { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },
+ { MESA_FORMAT_RGB565_REV, _mesa_texstore_rgb565 },
+ { MESA_FORMAT_ARGB4444, _mesa_texstore_argb4444 },
+ { MESA_FORMAT_ARGB4444_REV, _mesa_texstore_argb4444 },
+ { MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 },
+ { MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 },
+ { MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },
+ { MESA_FORMAT_AL88, _mesa_texstore_al88 },
+ { MESA_FORMAT_AL88_REV, _mesa_texstore_al88 },
+ { MESA_FORMAT_AL1616, _mesa_texstore_al1616 },
+ { MESA_FORMAT_AL1616_REV, _mesa_texstore_al1616 },
+ { MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },
+ { MESA_FORMAT_A8, _mesa_texstore_a8 },
+ { MESA_FORMAT_L8, _mesa_texstore_a8 },
+ { MESA_FORMAT_I8, _mesa_texstore_a8 },
+ { MESA_FORMAT_CI8, _mesa_texstore_ci8 },
+ { MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },
+ { MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },
+ { MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 },
+ { MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 },
+ { MESA_FORMAT_Z16, _mesa_texstore_z16 },
+ { MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 },
+ { MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 },
+ { MESA_FORMAT_Z32, _mesa_texstore_z32 },
+ { MESA_FORMAT_S8, NULL/*_mesa_texstore_s8*/ },
+ { MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 },
+ { MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 },
+ { MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 },
+ { MESA_FORMAT_SL8, _mesa_texstore_sl8 },
+ { MESA_FORMAT_SLA8, _mesa_texstore_sla8 },
+ { MESA_FORMAT_SRGB_DXT1, _mesa_texstore_rgb_dxt1 },
+ { MESA_FORMAT_SRGBA_DXT1, _mesa_texstore_rgba_dxt1 },
+ { MESA_FORMAT_SRGBA_DXT3, _mesa_texstore_rgba_dxt3 },
+ { MESA_FORMAT_SRGBA_DXT5, _mesa_texstore_rgba_dxt5 },
+ { MESA_FORMAT_RGB_FXT1, _mesa_texstore_rgb_fxt1 },
+ { MESA_FORMAT_RGBA_FXT1, _mesa_texstore_rgba_fxt1 },
+ { MESA_FORMAT_RGB_DXT1, _mesa_texstore_rgb_dxt1 },
+ { MESA_FORMAT_RGBA_DXT1, _mesa_texstore_rgba_dxt1 },
+ { MESA_FORMAT_RGBA_DXT3, _mesa_texstore_rgba_dxt3 },
+ { MESA_FORMAT_RGBA_DXT5, _mesa_texstore_rgba_dxt5 },
+ { MESA_FORMAT_RGBA_FLOAT32, _mesa_texstore_rgba_float32 },
+ { MESA_FORMAT_RGBA_FLOAT16, _mesa_texstore_rgba_float16 },
+ { MESA_FORMAT_RGB_FLOAT32, _mesa_texstore_rgba_float32 },
+ { MESA_FORMAT_RGB_FLOAT16, _mesa_texstore_rgba_float16 },
+ { MESA_FORMAT_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
+ { MESA_FORMAT_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
+ { MESA_FORMAT_LUMINANCE_FLOAT32, _mesa_texstore_rgba_float32 },
+ { MESA_FORMAT_LUMINANCE_FLOAT16, _mesa_texstore_rgba_float16 },
+ { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
+ { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
+ { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },
+ { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },
+ { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },
+ { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 },
+ { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 },
+ { MESA_FORMAT_SIGNED_RGBA_16, NULL },
+};
+
+
+static GLboolean
+_mesa_texstore_null(TEXSTORE_PARAMS)
+{
+ (void) ctx; (void) dims;
+ (void) baseInternalFormat;
+ (void) dstFormat;
+ (void) dstAddr;
+ (void) dstXoffset; (void) dstYoffset; (void) dstZoffset;
+ (void) dstRowStride; (void) dstImageOffsets;
+ (void) srcWidth; (void) srcHeight; (void) srcDepth;
+ (void) srcFormat; (void) srcType;
+ (void) srcAddr;
+ (void) srcPacking;
+
+ /* should never happen */
+ _mesa_problem(NULL, "_mesa_texstore_null() is called");
+ return GL_FALSE;
+}
+
+
+/**
+ * Return the StoreTexImageFunc pointer to store an image in the given format.
+ */
+static StoreTexImageFunc
+_mesa_get_texstore_func(gl_format format)
+{
+#ifdef DEBUG
+ GLuint i;
+ for (i = 0; i < MESA_FORMAT_COUNT; i++) {
+ ASSERT(texstore_funcs[i].Name == i);
+ }
+#endif
+ ASSERT(texstore_funcs[format].Name == format);
+
+ if (texstore_funcs[format].Store)
+ return texstore_funcs[format].Store;
+ else
+ return _mesa_texstore_null;
+}
+
+
+/**
+ * Store user data into texture memory.
+ * Called via glTex[Sub]Image1/2/3D()
+ */
+GLboolean
+_mesa_texstore(TEXSTORE_PARAMS)
+{
+ StoreTexImageFunc storeImage;
+ GLboolean success;
+
+ storeImage = _mesa_get_texstore_func(dstFormat);
+
+ success = storeImage(ctx, dims, baseInternalFormat,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride, dstImageOffsets,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr, srcPacking);
+ return success;
+}
+
+
/**
* Check if an unpack PBO is active prior to fetching a texture image.
* If so, do bounds checking and map the buffer into main memory.
}
-
-/**
- * Adaptor for fetching a GLchan texel from a float-valued texture.
- */
-static void
-fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texelOut)
+/** Return texture size in bytes */
+static GLuint
+texture_size(const struct gl_texture_image *texImage)
{
- GLfloat temp[4];
- ASSERT(texImage->FetchTexelf);
- texImage->FetchTexelf(texImage, i, j, k, temp);
- if (texImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT ||
- texImage->TexFormat->BaseFormat == GL_DEPTH_STENCIL_EXT) {
- /* just one channel */
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
- }
- else {
- /* four channels */
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
- }
+ GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width,
+ texImage->Height, texImage->Depth);
+ return sz;
}
-/**
- * Adaptor for fetching a float texel from a GLchan-valued texture.
- */
-static void
-fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texelOut)
+/** Return row stride in bytes */
+static GLuint
+texture_row_stride(const struct gl_texture_image *texImage)
{
- GLchan temp[4];
- ASSERT(texImage->FetchTexelc);
- texImage->FetchTexelc(texImage, i, j, k, temp);
- if (texImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT ||
- texImage->TexFormat->BaseFormat == GL_DEPTH_STENCIL_EXT) {
- /* just one channel */
- texelOut[0] = CHAN_TO_FLOAT(temp[0]);
- }
- else {
- /* four channels */
- texelOut[0] = CHAN_TO_FLOAT(temp[0]);
- texelOut[1] = CHAN_TO_FLOAT(temp[1]);
- texelOut[2] = CHAN_TO_FLOAT(temp[2]);
- texelOut[3] = CHAN_TO_FLOAT(temp[3]);
- }
-}
-
-
-/**
- * Initialize the texture image's FetchTexelc and FetchTexelf methods.
- */
-void
-_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
-{
- ASSERT(dims == 1 || dims == 2 || dims == 3);
- ASSERT(texImage->TexFormat);
-
- switch (dims) {
- case 1:
- texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D;
- texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df;
- break;
- case 2:
- texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
- texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
- break;
- case 3:
- texImage->FetchTexelc = texImage->TexFormat->FetchTexel3D;
- texImage->FetchTexelf = texImage->TexFormat->FetchTexel3Df;
- break;
- default:
- ;
- }
-
- /* now check if we need to use a float/chan adaptor */
- if (!texImage->FetchTexelc) {
- texImage->FetchTexelc = fetch_texel_float_to_chan;
- }
- else if (!texImage->FetchTexelf) {
- texImage->FetchTexelf = fetch_texel_chan_to_float;
- }
-
-
- ASSERT(texImage->FetchTexelc);
- ASSERT(texImage->FetchTexelf);
-}
-
-
-static void
-compute_texture_size(GLcontext *ctx, struct gl_texture_image *texImage)
-{
- if (texImage->TexFormat->TexelBytes == 0) {
- /* must be a compressed format */
- texImage->IsCompressed = GL_TRUE;
- texImage->CompressedSize =
- ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
- texImage->Height, texImage->Depth,
- texImage->TexFormat->MesaFormat);
- }
- else {
- /* non-compressed format */
- texImage->IsCompressed = GL_FALSE;
- texImage->CompressedSize = 0;
- }
+ GLuint stride = _mesa_format_row_stride(texImage->TexFormat,
+ texImage->Width);
+ return stride;
}
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- GLint sizeInBytes;
+ GLuint sizeInBytes;
(void) border;
- texImage->TexFormat
- = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
- ASSERT(texImage->TexFormat);
-
- _mesa_set_fetch_functions(texImage, 1);
- compute_texture_size(ctx, texImage);
-
/* allocate memory */
- if (texImage->IsCompressed)
- sizeInBytes = texImage->CompressedSize;
- else
- sizeInBytes = texImage->Width * texImage->TexFormat->TexelBytes;
+ sizeInBytes = texture_size(texImage);
texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
if (!texImage->Data) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
}
else {
const GLint dstRowStride = 0;
- GLboolean success;
- ASSERT(texImage->TexFormat->StoreImage);
- success = texImage->TexFormat->StoreImage(ctx, 1, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0, /* dstX/Y/Zoffset */
- dstRowStride,
- texImage->ImageOffsets,
- width, 1, 1,
- format, type, pixels, packing);
+ GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, 1, 1,
+ format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
}
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- GLint texelBytes, sizeInBytes;
+ GLuint sizeInBytes;
(void) border;
- texImage->TexFormat
- = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
- ASSERT(texImage->TexFormat);
-
- _mesa_set_fetch_functions(texImage, 2);
- compute_texture_size(ctx, texImage);
-
- texelBytes = texImage->TexFormat->TexelBytes;
-
/* allocate memory */
- if (texImage->IsCompressed)
- sizeInBytes = texImage->CompressedSize;
- else
- sizeInBytes = texImage->Width * texImage->Height * texelBytes;
+ sizeInBytes = texture_size(texImage);
texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
if (!texImage->Data) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
return;
}
else {
- GLint dstRowStride;
- GLboolean success;
- if (texImage->IsCompressed) {
- dstRowStride
- = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
- }
- else {
- dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
- }
- ASSERT(texImage->TexFormat->StoreImage);
- success = texImage->TexFormat->StoreImage(ctx, 2, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0, /* dstX/Y/Zoffset */
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- format, type, pixels, packing);
+ GLint dstRowStride = texture_row_stride(texImage);
+ GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
}
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
- GLint texelBytes, sizeInBytes;
+ GLuint sizeInBytes;
(void) border;
- texImage->TexFormat
- = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
- ASSERT(texImage->TexFormat);
-
- _mesa_set_fetch_functions(texImage, 3);
- compute_texture_size(ctx, texImage);
-
- texelBytes = texImage->TexFormat->TexelBytes;
-
/* allocate memory */
- if (texImage->IsCompressed)
- sizeInBytes = texImage->CompressedSize;
- else
- sizeInBytes = width * height * depth * texelBytes;
+ sizeInBytes = texture_size(texImage);
texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
if (!texImage->Data) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
return;
}
else {
- GLint dstRowStride;
- GLboolean success;
- if (texImage->IsCompressed) {
- dstRowStride
- = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
- }
- else {
- dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
- }
- ASSERT(texImage->TexFormat->StoreImage);
- success = texImage->TexFormat->StoreImage(ctx, 3, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- 0, 0, 0, /* dstX/Y/Zoffset */
- dstRowStride,
- texImage->ImageOffsets,
- width, height, depth,
- format, type, pixels, packing);
+ GLint dstRowStride = texture_row_stride(texImage);
+ GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, depth,
+ format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
}
{
const GLint dstRowStride = 0;
- GLboolean success;
- ASSERT(texImage->TexFormat->StoreImage);
- success = texImage->TexFormat->StoreImage(ctx, 1, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- xoffset, 0, 0, /* offsets */
- dstRowStride,
- texImage->ImageOffsets,
- width, 1, 1,
- format, type, pixels, packing);
+ GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ xoffset, 0, 0, /* offsets */
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, 1, 1,
+ format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
}
return;
{
- GLint dstRowStride = 0;
- GLboolean success;
- if (texImage->IsCompressed) {
- dstRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat,
- texImage->Width);
- }
- else {
- dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
- }
- ASSERT(texImage->TexFormat->StoreImage);
- success = texImage->TexFormat->StoreImage(ctx, 2, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- xoffset, yoffset, 0,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, 1,
- format, type, pixels, packing);
+ GLint dstRowStride = texture_row_stride(texImage);
+ GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ xoffset, yoffset, 0,
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, 1,
+ format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
}
return;
{
- GLint dstRowStride;
- GLboolean success;
- if (texImage->IsCompressed) {
- dstRowStride = _mesa_compressed_row_stride(texImage->TexFormat->MesaFormat,
- texImage->Width);
- }
- else {
- dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
- }
- ASSERT(texImage->TexFormat->StoreImage);
- success = texImage->TexFormat->StoreImage(ctx, 3, texImage->_BaseFormat,
- texImage->TexFormat,
- texImage->Data,
- xoffset, yoffset, zoffset,
- dstRowStride,
- texImage->ImageOffsets,
- width, height, depth,
- format, type, pixels, packing);
+ GLint dstRowStride = texture_row_stride(texImage);
+ GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
+ texImage->TexFormat,
+ texImage->Data,
+ xoffset, yoffset, zoffset,
+ dstRowStride,
+ texImage->ImageOffsets,
+ width, height, depth,
+ format, type, pixels, packing);
if (!success) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D");
}
ASSERT(texImage->Depth == 1);
ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */
- texImage->TexFormat
- = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, 0, 0);
- ASSERT(texImage->TexFormat);
-
- _mesa_set_fetch_functions(texImage, 2);
- compute_texture_size(ctx, texImage);
-
/* allocate storage */
texImage->Data = _mesa_alloc_texmemory(imageSize);
if (!texImage->Data) {
return;
/* copy the data */
- ASSERT(texImage->CompressedSize == (GLuint) imageSize);
MEMCPY(texImage->Data, data, imageSize);
_mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
GLint i, rows;
GLubyte *dest;
const GLubyte *src;
- const GLuint mesaFormat = texImage->TexFormat->MesaFormat;
+ const gl_format texFormat = texImage->TexFormat;
+ const GLint destWidth = texImage->Width;
+ GLuint bw, bh;
+
+ _mesa_get_format_block_size(texFormat, &bw, &bh);
+ (void) level;
(void) format;
/* these should have been caught sooner */
- ASSERT((width & 3) == 0 || width == 2 || width == 1);
- ASSERT((height & 3) == 0 || height == 2 || height == 1);
- ASSERT((xoffset & 3) == 0);
- ASSERT((yoffset & 3) == 0);
+ ASSERT((width % bw) == 0 || width == 2 || width == 1);
+ ASSERT((height % bh) == 0 || height == 2 || height == 1);
+ ASSERT((xoffset % bw) == 0);
+ ASSERT((yoffset % bh) == 0);
/* get pointer to src pixels (may be in a pbo which we'll map here) */
data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
if (!data)
return;
- srcRowStride = _mesa_compressed_row_stride(mesaFormat, width);
+ srcRowStride = _mesa_format_row_stride(texFormat, width);
src = (const GLubyte *) data;
- destRowStride = _mesa_compressed_row_stride(mesaFormat, texImage->Width);
+ destRowStride = _mesa_format_row_stride(texFormat, destWidth);
dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
- texImage->TexFormat->MesaFormat,
- texImage->Width,
+ texFormat, destWidth,
(GLubyte *) texImage->Data);
- bytesPerRow = srcRowStride;
- rows = height / 4;
+ bytesPerRow = srcRowStride; /* bytes per row of blocks */
+ rows = height / bh; /* rows in blocks */
+ /* copy rows of blocks */
for (i = 0; i < rows; i++) {
MEMCPY(dest, src, bytesPerRow);
dest += destRowStride;
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