diff options
Diffstat (limited to 'src/mesa/main/texutil_tmp.h')
-rw-r--r-- | src/mesa/main/texutil_tmp.h | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/src/mesa/main/texutil_tmp.h b/src/mesa/main/texutil_tmp.h new file mode 100644 index 00000000000..ea6c4ee52c7 --- /dev/null +++ b/src/mesa/main/texutil_tmp.h @@ -0,0 +1,375 @@ +/* + * NOTE: All 3D code is untested and most definitely broken... + */ + +#define DST_TEXEL_BYTES (4 / DST_TEXELS_PER_DWORD) +#define DST_ROW_WIDTH (convert->width * DST_TEXEL_BYTES) +#define DST_ROW_STRIDE (convert->imageWidth * DST_TEXEL_BYTES) +#define DST_IMG_STRIDE (convert->imageWidth * \ + convert->imageHeight * DST_TEXEL_BYTES) + + +/* ================================================================ + * PRE: No pixelstore attribs, width == imageWidth. + */ +static GLboolean +TAG(texsubimage2d)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *)convert->srcImage; + GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage + + (convert->yoffset * convert->imageWidth + + convert->xoffset) * DST_TEXEL_BYTES); + GLint dwords, i; + (void) dwords; (void) i; + + if ( DBG ) + fprintf( stderr, __FUNCTION__ "\n" ); + +#ifdef CONVERT_DIRECT + MEMCPY( dst, src, convert->height * DST_ROW_WIDTH ); +#else + dwords = (convert->width * convert->height + + DST_TEXELS_PER_DWORD - 1) / DST_TEXELS_PER_DWORD; + + for ( i = 0 ; i < dwords ; i++ ) { + *dst++ = CONVERT_TEXEL_DWORD( src ); + src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD; + } +#endif + + return GL_TRUE; +} + +/* PRE: As above, height == imageHeight also. + */ +static GLboolean +TAG(texsubimage3d)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *)convert->srcImage; + GLuint *dst = (GLuint *)((GLubyte *)convert->dstImage + + ((convert->zoffset * convert->height + + convert->yoffset) * convert->width + + convert->xoffset) * DST_TEXEL_BYTES); + GLint dwords, i; + (void) dwords; (void) i; + + if ( DBG ) + fprintf( stderr, __FUNCTION__ "\n" ); + +#ifdef CONVERT_DIRECT + MEMCPY( dst, src, convert->depth * convert->height * DST_ROW_WIDTH ); +#else + dwords = (convert->width * convert->height * convert->depth + + DST_TEXELS_PER_DWORD - 1) / DST_TEXELS_PER_DWORD; + + for ( i = 0 ; i < dwords ; i++ ) { + *dst++ = CONVERT_TEXEL_DWORD( src ); + src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD; + } +#endif + + return GL_TRUE; +} + + + +/* ================================================================ + * PRE: No pixelstore attribs, width != imageWidth. + */ +static GLboolean +TAG(texsubimage2d_stride)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *)convert->srcImage; + DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage + + (convert->yoffset * convert->imageWidth + + convert->xoffset) * DST_TEXEL_BYTES); + GLint adjust; + GLint row, col; + + adjust = convert->imageWidth - convert->width; + + if ( DBG ) { + fprintf( stderr, __FUNCTION__ ":\n" ); + fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n", + convert->xoffset, convert->yoffset, convert->width, + convert->height, convert->imageWidth ); + fprintf( stderr, " adjust=%d\n", adjust ); + } + + for ( row = 0 ; row < convert->height ; row++ ) { + for ( col = 0 ; col < convert->width ; col++ ) { + *dst++ = CONVERT_TEXEL( src ); + src += SRC_TEXEL_BYTES; + } + dst += adjust; + } + + return GL_TRUE; +} + +/* PRE: As above, or height != imageHeight also. + */ +static GLboolean +TAG(texsubimage3d_stride)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *)convert->srcImage; + DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage + + ((convert->zoffset * convert->imageHeight + + convert->yoffset) * convert->imageWidth + + convert->xoffset) * DST_TEXEL_BYTES); + GLint adjust; + GLint row, col, img; + + adjust = convert->imageWidth - convert->width; + + if ( DBG ) { + fprintf( stderr, __FUNCTION__ ":\n" ); + fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n", + convert->xoffset, convert->yoffset, convert->width, + convert->height, convert->imageWidth ); + fprintf( stderr, " adjust=%d\n", adjust ); + } + + for ( img = 0 ; img < convert->depth ; img++ ) { + for ( row = 0 ; row < convert->height ; row++ ) { + for ( col = 0 ; col < convert->width ; col++ ) { + *dst++ = CONVERT_TEXEL( src ); + src += SRC_TEXEL_BYTES; + } + dst += adjust; + } + /* FIXME: ... */ + } + + return GL_TRUE; +} + + + +/* ================================================================ + * PRE: Require pixelstore attribs, width == imageWidth. + */ +static GLboolean +TAG(texsubimage2d_pack)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *) + _mesa_image_address( convert->packing, convert->srcImage, + convert->width, convert->height, + convert->format, convert->type, 0, 0, 0 ); + const GLint srcRowStride = + _mesa_image_row_stride( convert->packing, 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 ( DBG ) + fprintf( stderr, __FUNCTION__ "\n" ); + + width = ((convert->width + DST_TEXELS_PER_DWORD - 1) + & ~(DST_TEXELS_PER_DWORD - 1)); + + 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); +#else + const GLubyte *srcRow = src; + for ( col = width / DST_TEXELS_PER_DWORD ; col ; col-- ) { + *dst++ = CONVERT_TEXEL_DWORD( src ); + src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD; + } + src = srcRow + srcRowStride; +#endif + } + + return GL_TRUE; +} + +/* PRE: as above, height == imageHeight also. + */ +static GLboolean +TAG(texsubimage3d_pack)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *) + _mesa_image_address( convert->packing, convert->srcImage, + convert->width, convert->height, + convert->format, convert->type, 0, 0, 0 ); + const GLint srcRowStride = + _mesa_image_row_stride( convert->packing, 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 ( DBG ) + fprintf( stderr, __FUNCTION__ "\n" ); + + 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++ ) { +#ifdef CONVERT_DIRECT + 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-- ) { + *dst++ = CONVERT_TEXEL_DWORD( src ); + src += SRC_TEXEL_BYTES * DST_TEXELS_PER_DWORD; + } + src = srcRow + srcRowStride; +#endif + } + } + + return GL_TRUE; +} + + + +/* ================================================================ + * PRE: Require pixelstore attribs, width != imageWidth. + */ +static GLboolean +TAG(texsubimage2d_stride_pack)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *) + _mesa_image_address( convert->packing, convert->srcImage, + convert->width, convert->height, + convert->format, convert->type, 0, 0, 0 ); + const GLint srcRowStride = + _mesa_image_row_stride( convert->packing, convert->width, + convert->format, convert->type ); + DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage + + (convert->yoffset * convert->imageWidth + + convert->xoffset) * DST_TEXEL_BYTES); + GLint adjust; + GLint row, col; + (void) col; + + adjust = convert->imageWidth - convert->width; + + if ( DBG ) { + fprintf( stderr, __FUNCTION__ ":\n" ); + fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n", + convert->xoffset, convert->yoffset, convert->width, + convert->height, convert->imageWidth ); + fprintf( stderr, " adjust=%d\n", adjust ); + } + + for ( row = 0 ; row < convert->height ; row++ ) { +#ifdef CONVERT_DIRECT + MEMCPY( dst, src, DST_ROW_WIDTH ); + src += srcRowStride; + dst += convert->imageWidth; +#else + const GLubyte *srcRow = src; + for ( col = 0 ; col < convert->width ; col++ ) { + *dst++ = CONVERT_TEXEL( src ); + src += SRC_TEXEL_BYTES; + } + src = srcRow + srcRowStride; + dst += adjust; +#endif + } + + return GL_TRUE; +} + +/* PRE: As above, or height != imageHeight also. + */ +static GLboolean +TAG(texsubimage3d_stride_pack)( struct gl_texture_convert *convert ) +{ + const GLubyte *src = (const GLubyte *) + _mesa_image_address( convert->packing, convert->srcImage, + convert->width, convert->height, + convert->format, convert->type, 0, 0, 0 ); + const GLint srcRowStride = + _mesa_image_row_stride( convert->packing, convert->width, + convert->format, convert->type ); + DST_TYPE *dst = (DST_TYPE *)((GLubyte *)convert->dstImage + + ((convert->zoffset * convert->imageHeight + + convert->yoffset) * convert->imageWidth + + convert->xoffset) * DST_TEXEL_BYTES); + GLint adjust; + GLint row, col, img; + (void) col; + + adjust = convert->imageWidth - convert->width; + + if ( DBG ) { + fprintf( stderr, __FUNCTION__ ":\n" ); + fprintf( stderr, " x=%d y=%d w=%d h=%d s=%d\n", + convert->xoffset, convert->yoffset, convert->width, + convert->height, convert->imageWidth ); + fprintf( stderr, " adjust=%d\n", adjust ); + } + + for ( img = 0 ; img < convert->depth ; img++ ) { + for ( row = 0 ; row < convert->height ; row++ ) { +#ifdef CONVERT_DIRECT + MEMCPY( dst, src, DST_ROW_WIDTH ); + src += srcRowStride; + dst += convert->imageWidth; +#else + const GLubyte *srcRow = src; + for ( col = 0 ; col < convert->width ; col++ ) { + *dst++ = CONVERT_TEXEL( src ); + src += SRC_TEXEL_BYTES; + } + src = srcRow + srcRowStride; + dst += adjust; +#endif + } + /* FIXME: ... */ + } + + return GL_TRUE; +} + + + +static convert_func TAG(texsubimage2d_tab)[] = { + TAG(texsubimage2d), + TAG(texsubimage2d_stride), + TAG(texsubimage2d_pack), + TAG(texsubimage2d_stride_pack), +}; + +static convert_func TAG(texsubimage3d_tab)[] = { + TAG(texsubimage3d), + TAG(texsubimage3d_stride), + TAG(texsubimage3d_pack), + TAG(texsubimage3d_stride_pack), +}; + + +#ifndef PRESERVE_DST_TYPE +#undef DST_TYPE +#undef DST_TEXELS_PER_DWORD +#endif + +#undef SRC_TEXEL_BYTES +#undef DST_TEXEL_BYTES +#undef DST_ROW_WIDTH +#undef DST_ROW_STRIDE + +#undef CONVERT_TEXEL +#undef CONVERT_TEXEL_DWORD +#undef CONVERT_DIRECT + +#undef TAG + +#undef PRESERVE_DST_TYPE |