diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/mipmap.c | 75 | ||||
| -rw-r--r-- | src/mesa/main/mipmap.h | 9 |
2 files changed, 0 insertions, 84 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c index 1fa49caa41d..f04a98b0337 100644 --- a/src/mesa/main/mipmap.c +++ b/src/mesa/main/mipmap.c @@ -2048,78 +2048,3 @@ _mesa_generate_mipmap(struct gl_context *ctx, GLenum target, generate_mipmap_uncompressed(ctx, target, texObj, srcImage, maxLevel); } } - - -/** - * Helper function for drivers which need to rescale texture images to - * certain aspect ratios. - * Nearest filtering only (for broken hardware that can't support - * all aspect ratios). This can be made a lot faster, but I don't - * really care enough... - */ -void -_mesa_rescale_teximage2d(GLuint bytesPerPixel, - GLuint srcStrideInPixels, - GLuint dstRowStride, - GLint srcWidth, GLint srcHeight, - GLint dstWidth, GLint dstHeight, - const GLvoid *srcImage, GLvoid *dstImage) -{ - GLint row, col; - -#define INNER_LOOP( TYPE, HOP, WOP ) \ - for ( row = 0 ; row < dstHeight ; row++ ) { \ - GLint srcRow = row HOP hScale; \ - for ( col = 0 ; col < dstWidth ; col++ ) { \ - GLint srcCol = col WOP wScale; \ - dst[col] = src[srcRow * srcStrideInPixels + srcCol]; \ - } \ - dst = (TYPE *) ((GLubyte *) dst + dstRowStride); \ - } \ - -#define RESCALE_IMAGE( TYPE ) \ -do { \ - const TYPE *src = (const TYPE *)srcImage; \ - TYPE *dst = (TYPE *)dstImage; \ - \ - if ( srcHeight < dstHeight ) { \ - const GLint hScale = dstHeight / srcHeight; \ - if ( srcWidth < dstWidth ) { \ - const GLint wScale = dstWidth / srcWidth; \ - INNER_LOOP( TYPE, /, / ); \ - } \ - else { \ - const GLint wScale = srcWidth / dstWidth; \ - INNER_LOOP( TYPE, /, * ); \ - } \ - } \ - else { \ - const GLint hScale = srcHeight / dstHeight; \ - if ( srcWidth < dstWidth ) { \ - const GLint wScale = dstWidth / srcWidth; \ - INNER_LOOP( TYPE, *, / ); \ - } \ - else { \ - const GLint wScale = srcWidth / dstWidth; \ - INNER_LOOP( TYPE, *, * ); \ - } \ - } \ -} while (0) - - switch ( bytesPerPixel ) { - case 4: - RESCALE_IMAGE( GLuint ); - break; - - case 2: - RESCALE_IMAGE( GLushort ); - break; - - case 1: - RESCALE_IMAGE( GLubyte ); - break; - default: - _mesa_problem(NULL,"unexpected bytes/pixel in _mesa_rescale_teximage2d"); - } -} - diff --git a/src/mesa/main/mipmap.h b/src/mesa/main/mipmap.h index 8b7cd7d5a4a..1fb9146a163 100644 --- a/src/mesa/main/mipmap.h +++ b/src/mesa/main/mipmap.h @@ -46,13 +46,4 @@ _mesa_generate_mipmap(struct gl_context *ctx, GLenum target, struct gl_texture_object *texObj); -extern void -_mesa_rescale_teximage2d(GLuint bytesPerPixel, - GLuint srcStrideInPixels, - GLuint dstRowStride, - GLint srcWidth, GLint srcHeight, - GLint dstWidth, GLint dstHeight, - const GLvoid *srcImage, GLvoid *dstImage); - - #endif /* MIPMAP_H */ |