From fdb4373a2083ccd0363737fade295b0bedaf9f50 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 15 Feb 2011 12:50:37 +1000 Subject: st/mesa: fix compressed mipmap generation. If the underlying transfer had a stride wider for hw alignment reasons, the mipmap generation would generate badly strided images. this fixes a few problems I found while testing r600g with s3tc Signed-off-by: Dave Airlie --- src/mesa/state_tracker/st_gen_mipmap.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c index 77b6c46b30c..18eb3be6809 100644 --- a/src/mesa/state_tracker/st_gen_mipmap.c +++ b/src/mesa/state_tracker/st_gen_mipmap.c @@ -105,13 +105,12 @@ st_render_mipmap(struct st_context *st, static void decompress_image(enum pipe_format format, const uint8_t *src, uint8_t *dst, - unsigned width, unsigned height) + unsigned width, unsigned height, unsigned src_stride) { const struct util_format_description *desc = util_format_description(format); const uint bw = util_format_get_blockwidth(format); const uint bh = util_format_get_blockheight(format); const uint dst_stride = 4 * MAX2(width, bw); - const uint src_stride = util_format_get_stride(format, width); desc->unpack_rgba_8unorm(dst, dst_stride, src, src_stride, width, height); @@ -144,10 +143,9 @@ decompress_image(enum pipe_format format, static void compress_image(enum pipe_format format, const uint8_t *src, uint8_t *dst, - unsigned width, unsigned height) + unsigned width, unsigned height, unsigned dst_stride) { const struct util_format_description *desc = util_format_description(format); - const uint dst_stride = util_format_get_stride(format, width); const uint src_stride = 4 * width; desc->pack_rgba_8unorm(dst, dst_stride, src, src_stride, width, height); @@ -236,7 +234,7 @@ fallback_generate_mipmap(struct gl_context *ctx, GLenum target, dstTemp = malloc(dstWidth2 * dstHeight2 * comps + 000); /* decompress the src image: srcData -> srcTemp */ - decompress_image(format, srcData, srcTemp, srcWidth, srcHeight); + decompress_image(format, srcData, srcTemp, srcWidth, srcHeight, srcTrans->stride); _mesa_generate_mipmap_level(target, datatype, comps, 0 /*border*/, @@ -248,7 +246,7 @@ fallback_generate_mipmap(struct gl_context *ctx, GLenum target, dstWidth2); /* stride in texels */ /* compress the new image: dstTemp -> dstData */ - compress_image(format, dstTemp, dstData, dstWidth, dstHeight); + compress_image(format, dstTemp, dstData, dstWidth, dstHeight, dstTrans->stride); free(srcTemp); free(dstTemp); -- cgit v1.2.3