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-rw-r--r--src/mesa/main/texutil_tmp.h215
1 files changed, 134 insertions, 81 deletions
diff --git a/src/mesa/main/texutil_tmp.h b/src/mesa/main/texutil_tmp.h
index ec6274c80e8..3d2ecd9fd02 100644
--- a/src/mesa/main/texutil_tmp.h
+++ b/src/mesa/main/texutil_tmp.h
@@ -1,10 +1,10 @@
-/* $Id: texutil_tmp.h,v 1.8 2001/04/20 19:21:41 brianp Exp $ */
+/* $Id: texutil_tmp.h,v 1.9 2002/02/21 15:12:31 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 4.0.2
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -33,7 +33,7 @@
#define DST_TEXEL_BYTES (4 / DST_TEXELS_PER_DWORD)
-#define DST_ROW_WIDTH (convert->width * DST_TEXEL_BYTES)
+#define DST_ROW_BYTES (convert->width * DST_TEXEL_BYTES)
#define DST_ROW_STRIDE (convert->dstImageWidth * DST_TEXEL_BYTES)
#define DST_IMG_STRIDE (convert->dstImageWidth * \
convert->dstImageHeight * DST_TEXEL_BYTES)
@@ -49,22 +49,27 @@ TAG(texsubimage2d)( struct gl_texture_convert *convert )
GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
(convert->yoffset * convert->dstImageWidth +
convert->xoffset) * DST_TEXEL_BYTES);
- GLint dwords, i;
- (void) dwords; (void) i;
#if DEBUG_TEXUTIL
fprintf( stderr, __FUNCTION__ "\n" );
#endif
#ifdef CONVERT_DIRECT
- MEMCPY( dst, src, convert->height * DST_ROW_WIDTH );
+ MEMCPY( dst, src, convert->height * DST_ROW_BYTES );
#else
- dwords = (convert->width * convert->height +
- DST_TEXELS_PER_DWORD - 1) / DST_TEXELS_PER_DWORD;
-
- for ( i = 0 ; i < dwords ; i++ ) {
- CONVERT_TEXEL_DWORD( *dst++, src );
- src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
+ {
+ const GLint texels = convert->width * convert->height;
+ const GLint dwords = texels / DST_TEXELS_PER_DWORD;
+ const GLint leftover = texels - dwords * DST_TEXELS_PER_DWORD;
+ GLint i;
+ for ( i = 0 ; i < dwords ; i++ ) {
+ CONVERT_TEXEL_DWORD( *dst++, src );
+ src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
+ }
+ for ( i = 0; i < leftover; i++ ) {
+ CONVERT_TEXEL( *dst++, src );
+ src += SRC_TEXEL_BYTES;
+ }
}
#endif
@@ -81,22 +86,26 @@ TAG(texsubimage3d)( struct gl_texture_convert *convert )
((convert->zoffset * convert->height +
convert->yoffset) * convert->width +
convert->xoffset) * DST_TEXEL_BYTES);
- GLint dwords, i;
- (void) dwords; (void) i;
-
#if DEBUG_TEXUTIL
fprintf( stderr, __FUNCTION__ "\n" );
#endif
#ifdef CONVERT_DIRECT
- MEMCPY( dst, src, convert->depth * convert->height * DST_ROW_WIDTH );
+ MEMCPY( dst, src, convert->depth * convert->height * DST_ROW_BYTES );
#else
- dwords = (convert->width * convert->height * convert->depth +
- DST_TEXELS_PER_DWORD - 1) / DST_TEXELS_PER_DWORD;
-
- for ( i = 0 ; i < dwords ; i++ ) {
- CONVERT_TEXEL_DWORD( *dst++, src );
- src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
+ {
+ const GLint texels = convert->width * convert->height * convert->depth;
+ const GLint dwords = texels / DST_TEXELS_PER_DWORD;
+ const GLint leftover = texels - dwords * DST_TEXELS_PER_DWORD;
+ GLint i;
+ for ( i = 0 ; i < dwords ; i++ ) {
+ CONVERT_TEXEL_DWORD( *dst++, src );
+ src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
+ }
+ for ( i = 0; i < leftover; i++ ) {
+ CONVERT_TEXEL( *dst++, src );
+ src += SRC_TEXEL_BYTES;
+ }
}
#endif
@@ -182,42 +191,56 @@ TAG(texsubimage3d_stride)( struct gl_texture_convert *convert )
* PRE: Require pixelstore attribs, width == dstImageWidth.
*/
static GLboolean
-TAG(texsubimage2d_pack)( struct gl_texture_convert *convert )
+TAG(texsubimage2d_unpack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
- _mesa_image_address( convert->packing, convert->srcImage,
+ _mesa_image_address( convert->unpacking, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
const GLint srcRowStride =
- _mesa_image_row_stride( convert->packing, convert->width,
+ _mesa_image_row_stride( convert->unpacking, convert->width,
convert->format, convert->type );
- GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
- (convert->yoffset * convert->width +
- convert->xoffset) * DST_TEXEL_BYTES);
- GLint width;
GLint row, col;
- (void) col;
#if DEBUG_TEXUTIL
fprintf( stderr, __FUNCTION__ "\n" );
#endif
- width = ((convert->width + DST_TEXELS_PER_DWORD - 1)
- & ~(DST_TEXELS_PER_DWORD - 1));
-
- for ( row = 0 ; row < convert->height ; row++ ) {
+ if (convert->width & (DST_TEXELS_PER_DWORD - 1)) {
+ /* Can't use dword conversion (i.e. when width = 1 and texels/dword = 2
+ * or width = 2 and texels/dword = 4).
+ */
+ DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
+ (convert->yoffset * convert->width +
+ convert->xoffset) * DST_TEXEL_BYTES);
+ for ( row = 0 ; row < convert->height ; row++ ) {
+ const GLubyte *srcRow = src;
+ for ( col = 0; col < convert->width; col++ ) {
+ CONVERT_TEXEL(*dst, src);
+ src += SRC_TEXEL_BYTES;
+ }
+ src = srcRow + srcRowStride;
+ }
+ }
+ else {
+ /* the common case */
+ GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
+ (convert->yoffset * convert->width +
+ convert->xoffset) * DST_TEXEL_BYTES);
+ for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
- MEMCPY( dst, src, DST_ROW_STRIDE );
- src += srcRowStride;
- dst = (GLuint *)((GLubyte *)dst + DST_ROW_STRIDE);
+ MEMCPY( dst, src, DST_ROW_STRIDE );
+ src += srcRowStride;
+ dst = (GLuint *)((GLubyte *)dst + DST_ROW_STRIDE);
#else
- const GLubyte *srcRow = src;
- for ( col = width / DST_TEXELS_PER_DWORD ; col ; col-- ) {
- CONVERT_TEXEL_DWORD( *dst++, src );
- src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
- }
- src = srcRow + srcRowStride;
+ const GLubyte *srcRow = src;
+ for ( col = convert->width / DST_TEXELS_PER_DWORD ; col ; col-- ) {
+ CONVERT_TEXEL_DWORD( *dst++, src );
+ src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
+ }
+ src = srcRow + srcRowStride;
#endif
+ }
}
return GL_TRUE;
@@ -226,44 +249,69 @@ TAG(texsubimage2d_pack)( struct gl_texture_convert *convert )
/* PRE: as above, height == dstImageHeight also.
*/
static GLboolean
-TAG(texsubimage3d_pack)( struct gl_texture_convert *convert )
+TAG(texsubimage3d_unpack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
- _mesa_image_address( convert->packing, convert->srcImage,
+ _mesa_image_address( convert->unpacking, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
+ const GLint srcImgStride = (const GLubyte *)
+ _mesa_image_address( convert->unpacking, convert->srcImage,
+ convert->width, convert->height,
+ convert->format, convert->type, 1, 0, 0 ) - src;
const GLint srcRowStride =
- _mesa_image_row_stride( convert->packing, convert->width,
+ _mesa_image_row_stride( convert->unpacking, convert->width,
convert->format, convert->type );
- GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
- ((convert->zoffset * convert->height +
- convert->yoffset) * convert->width +
- convert->xoffset) * DST_TEXEL_BYTES);
- GLint width;
GLint row, col, img;
- (void) col;
#if DEBUG_TEXUTIL
fprintf( stderr, __FUNCTION__ "\n" );
#endif
- width = ((convert->width + DST_TEXELS_PER_DWORD - 1)
- & ~(DST_TEXELS_PER_DWORD - 1));
-
- for ( img = 0 ; img < convert->depth ; img++ ) {
- for ( row = 0 ; row < convert->height ; row++ ) {
+ if (convert->width & (DST_TEXELS_PER_DWORD - 1)) {
+ /* Can't use dword conversion (i.e. when width = 1 and texels/dword = 2
+ * or width = 2 and texels/dword = 4).
+ */
+ DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
+ ((convert->zoffset * convert->height +
+ convert->yoffset) * convert->width +
+ convert->xoffset) * DST_TEXEL_BYTES);
+ for ( img = 0 ; img < convert->depth ; img++ ) {
+ const GLubyte *srcImage = src;
+ for ( row = 0 ; row < convert->height ; row++ ) {
+ const GLubyte *srcRow = src;
+ for ( col = 0; col < convert->width; col++ ) {
+ CONVERT_TEXEL(*dst, src);
+ src += SRC_TEXEL_BYTES;
+ }
+ src = srcRow + srcRowStride;
+ }
+ src = srcImage + srcImgStride;
+ }
+ }
+ else {
+ /* the common case */
+ GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage +
+ ((convert->zoffset * convert->height +
+ convert->yoffset) * convert->width +
+ convert->xoffset) * DST_TEXEL_BYTES);
+ for ( img = 0 ; img < convert->depth ; img++ ) {
+ const GLubyte *srcImage = src;
+ for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
- MEMCPY( dst, src, DST_ROW_STRIDE );
- src += srcRowStride;
- dst = (GLuint *)((GLubyte *)dst + DST_ROW_STRIDE);
+ MEMCPY( dst, src, DST_ROW_STRIDE );
+ src += srcRowStride;
+ dst = (GLuint *)((GLubyte *)dst + DST_ROW_STRIDE);
#else
- const GLubyte *srcRow = src;
- for ( col = width / DST_TEXELS_PER_DWORD ; col ; col-- ) {
- CONVERT_TEXEL_DWORD( *dst++, src );
- src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
- }
- src = srcRow + srcRowStride;
+ const GLubyte *srcRow = src;
+ for ( col = convert->width / DST_TEXELS_PER_DWORD ; col ; col-- ) {
+ CONVERT_TEXEL_DWORD( *dst++, src );
+ src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD;
+ }
+ src = srcRow + srcRowStride;
#endif
+ }
+ src = srcImage + srcImgStride;
}
}
@@ -276,14 +324,14 @@ TAG(texsubimage3d_pack)( struct gl_texture_convert *convert )
* PRE: Require pixelstore attribs, width != dstImageWidth.
*/
static GLboolean
-TAG(texsubimage2d_stride_pack)( struct gl_texture_convert *convert )
+TAG(texsubimage2d_stride_unpack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
- _mesa_image_address( convert->packing, convert->srcImage,
+ _mesa_image_address( convert->unpacking, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
const GLint srcRowStride =
- _mesa_image_row_stride( convert->packing, convert->width,
+ _mesa_image_row_stride( convert->unpacking, convert->width,
convert->format, convert->type );
DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
(convert->yoffset * convert->dstImageWidth +
@@ -304,7 +352,7 @@ TAG(texsubimage2d_stride_pack)( struct gl_texture_convert *convert )
for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
- MEMCPY( dst, src, DST_ROW_WIDTH );
+ MEMCPY( dst, src, DST_ROW_BYTES );
src += srcRowStride;
dst += convert->dstImageWidth;
#else
@@ -324,14 +372,18 @@ TAG(texsubimage2d_stride_pack)( struct gl_texture_convert *convert )
/* PRE: As above, or height != dstImageHeight also.
*/
static GLboolean
-TAG(texsubimage3d_stride_pack)( struct gl_texture_convert *convert )
+TAG(texsubimage3d_stride_unpack)( struct gl_texture_convert *convert )
{
const GLubyte *src = (const GLubyte *)
- _mesa_image_address( convert->packing, convert->srcImage,
+ _mesa_image_address( convert->unpacking, convert->srcImage,
convert->width, convert->height,
convert->format, convert->type, 0, 0, 0 );
+ const GLint srcImgStride = (const GLubyte *)
+ _mesa_image_address( convert->unpacking, convert->srcImage,
+ convert->width, convert->height,
+ convert->format, convert->type, 1, 0, 0 ) - src;
const GLint srcRowStride =
- _mesa_image_row_stride( convert->packing, convert->width,
+ _mesa_image_row_stride( convert->unpacking, convert->width,
convert->format, convert->type );
DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage +
((convert->zoffset * convert->dstImageHeight +
@@ -352,9 +404,10 @@ TAG(texsubimage3d_stride_pack)( struct gl_texture_convert *convert )
#endif
for ( img = 0 ; img < convert->depth ; img++ ) {
+ const GLubyte *srcImage = src;
for ( row = 0 ; row < convert->height ; row++ ) {
#ifdef CONVERT_DIRECT
- MEMCPY( dst, src, DST_ROW_WIDTH );
+ MEMCPY( dst, src, DST_ROW_BYTES );
src += srcRowStride;
dst += convert->dstImageWidth;
#else
@@ -367,7 +420,7 @@ TAG(texsubimage3d_stride_pack)( struct gl_texture_convert *convert )
dst += adjust;
#endif
}
- /* FIXME: ... */
+ src = srcImage + srcImgStride;
}
return GL_TRUE;
@@ -378,15 +431,15 @@ TAG(texsubimage3d_stride_pack)( struct gl_texture_convert *convert )
static convert_func TAG(texsubimage2d_tab)[] = {
TAG(texsubimage2d),
TAG(texsubimage2d_stride),
- TAG(texsubimage2d_pack),
- TAG(texsubimage2d_stride_pack),
+ TAG(texsubimage2d_unpack),
+ TAG(texsubimage2d_stride_unpack),
};
static convert_func TAG(texsubimage3d_tab)[] = {
TAG(texsubimage3d),
TAG(texsubimage3d_stride),
- TAG(texsubimage3d_pack),
- TAG(texsubimage3d_stride_pack),
+ TAG(texsubimage3d_unpack),
+ TAG(texsubimage3d_stride_unpack),
};
@@ -397,7 +450,7 @@ static convert_func TAG(texsubimage3d_tab)[] = {
#undef SRC_TEXEL_BYTES
#undef DST_TEXEL_BYTES
-#undef DST_ROW_WIDTH
+#undef DST_ROW_BYTES
#undef DST_ROW_STRIDE
#undef CONVERT_TEXEL
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 03:47:31 +0000