diff options
Diffstat (limited to 'src/mesa/main/mipmap.c')
| -rw-r--r-- | src/mesa/main/mipmap.c | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c index 98af0a3a76c..cc109cc5266 100644 --- a/src/mesa/main/mipmap.c +++ b/src/mesa/main/mipmap.c @@ -1548,23 +1548,18 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border, const GLint dstDepthNB = dstDepth - 2 * border; GLint img, row; GLint bytesPerSrcImage, bytesPerDstImage; - GLint bytesPerSrcRow, bytesPerDstRow; GLint srcImageOffset, srcRowOffset; (void) srcDepthNB; /* silence warnings */ - - bytesPerSrcImage = srcWidth * srcHeight * bpt; - bytesPerDstImage = dstWidth * dstHeight * bpt; - - bytesPerSrcRow = srcWidth * bpt; - bytesPerDstRow = dstWidth * bpt; + bytesPerSrcImage = srcRowStride * srcHeight * bpt; + bytesPerDstImage = dstRowStride * dstHeight * bpt; /* Offset between adjacent src images to be averaged together */ srcImageOffset = (srcDepth == dstDepth) ? 0 : 1; /* Offset between adjacent src rows to be averaged together */ - srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt; + srcRowOffset = (srcHeight == dstHeight) ? 0 : srcRowStride; /* * Need to average together up to 8 src pixels for each dest pixel. @@ -1582,14 +1577,14 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border, for (img = 0; img < dstDepthNB; img++) { /* first source image pointer, skipping border */ const GLubyte *imgSrcA = srcPtr[img * 2 + border] - + bytesPerSrcRow * border + bpt * border; + + srcRowStride * border + bpt * border; /* second source image pointer, skipping border */ const GLubyte *imgSrcB = srcPtr[img * 2 + srcImageOffset + border] - + bytesPerSrcRow * border + bpt * border; + + srcRowStride * border + bpt * border; /* address of the dest image, skipping border */ GLubyte *imgDst = dstPtr[img + border] - + bytesPerDstRow * border + bpt * border; + + dstRowStride * border + bpt * border; /* setup the four source row pointers and the dest row pointer */ const GLubyte *srcImgARowA = imgSrcA; @@ -1605,11 +1600,11 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border, dstWidthNB, dstImgRow); /* advance to next rows */ - srcImgARowA += bytesPerSrcRow + srcRowOffset; - srcImgARowB += bytesPerSrcRow + srcRowOffset; - srcImgBRowA += bytesPerSrcRow + srcRowOffset; - srcImgBRowB += bytesPerSrcRow + srcRowOffset; - dstImgRow += bytesPerDstRow; + srcImgARowA += srcRowStride + srcRowOffset; + srcImgARowB += srcRowStride + srcRowOffset; + srcImgBRowA += srcRowStride + srcRowOffset; + srcImgBRowB += srcRowStride + srcRowOffset; + dstImgRow += dstRowStride; } } @@ -1638,8 +1633,8 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border, memcpy(dst, src, bpt); /* do border along [img][row=dstHeight-1][col=0] */ - src = srcPtr[img * 2] + (srcHeight - 1) * bytesPerSrcRow; - dst = dstPtr[img] + (dstHeight - 1) * bytesPerDstRow; + src = srcPtr[img * 2] + (srcHeight - 1) * srcRowStride; + dst = dstPtr[img] + (dstHeight - 1) * dstRowStride; memcpy(dst, src, bpt); /* do border along [img][row=0][col=dstWidth-1] */ @@ -1668,10 +1663,10 @@ make_3d_mipmap(GLenum datatype, GLuint comps, GLint border, /* do border along [img][row=dstHeight-1][col=0] */ srcA = srcPtr[img * 2 + 0] - + (srcHeight - 1) * bytesPerSrcRow; + + (srcHeight - 1) * srcRowStride; srcB = srcPtr[img * 2 + srcImageOffset] - + (srcHeight - 1) * bytesPerSrcRow; - dst = dstPtr[img] + (dstHeight - 1) * bytesPerDstRow; + + (srcHeight - 1) * srcRowStride; + dst = dstPtr[img] + (dstHeight - 1) * dstRowStride; do_row(datatype, comps, 1, srcA, srcB, 1, dst); /* do border along [img][row=0][col=dstWidth-1] */ |