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authormarha <marha@users.sourceforge.net>2014-04-13 14:24:56 +0200
committermarha <marha@users.sourceforge.net>2014-04-13 14:24:56 +0200
commitd2ad10d03be8e6d4b150bbdf2a28ea3d5a18a2ed (patch)
tree2a860c9d687826b3cb48facfa21c616e14e69347 /mesalib/src/mesa/main/texcompress_etc.c
parentedb5b380994125bf33929ef7dc5a3c456dfbe93b (diff)
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fontconfig libxcb mesa xserver xcb-proto git update 13 Apr 2014
xserver commit 3028ae6c9aa37168e249e0d847b29f8e3efb05b2 libxcb commit 29e419c5840a1eeda3336a0802686ee723dcaab3 libxcb/xcb-proto commit 70fea02b7d90d86e9d3b0dc5b61406bf4c910999 pixman commit 4b76bbfda670f9ede67d0449f3640605e1fc4df0 fontconfig commit f44157c809d280e2a0ce87fb078fc4b278d24a67 mesa commit 936dda08ee6d7b2be2b016bc06780e401088ec13
Diffstat (limited to 'mesalib/src/mesa/main/texcompress_etc.c')
-rw-r--r--mesalib/src/mesa/main/texcompress_etc.c78
1 files changed, 54 insertions, 24 deletions
diff --git a/mesalib/src/mesa/main/texcompress_etc.c b/mesalib/src/mesa/main/texcompress_etc.c
index cbda68940..ae973b001 100644
--- a/mesalib/src/mesa/main/texcompress_etc.c
+++ b/mesalib/src/mesa/main/texcompress_etc.c
@@ -678,14 +678,25 @@ etc2_unpack_rgb8(uint8_t *dst_row,
for (y = 0; y < height; y += bh) {
const uint8_t *src = src_row;
+ /*
+ * Destination texture may not be a multiple of four texels in
+ * height. Compute a safe height to avoid writing outside the texture.
+ */
+ const unsigned h = MIN2(bh, height - y);
for (x = 0; x < width; x+= bw) {
+ /*
+ * Destination texture may not be a multiple of four texels in
+ * width. Compute a safe width to avoid writing outside the texture.
+ */
+ const unsigned w = MIN2(bw, width - x);
+
etc2_rgb8_parse_block(&block, src,
false /* punchthrough_alpha */);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_rgb8_fetch_texel(&block, i, j, dst,
false /* punchthrough_alpha */);
dst[3] = 255;
@@ -715,14 +726,17 @@ etc2_unpack_srgb8(uint8_t *dst_row,
for (y = 0; y < height; y += bh) {
const uint8_t *src = src_row;
+ const unsigned h = MIN2(bh, height - y);
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_rgb8_parse_block(&block, src,
false /* punchthrough_alpha */);
- for (j = 0; j < bh; j++) {
+
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_rgb8_fetch_texel(&block, i, j, dst,
false /* punchthrough_alpha */);
/* Convert to MESA_FORMAT_B8G8R8A8_SRGB */
@@ -759,13 +773,15 @@ etc2_unpack_rgba8(uint8_t *dst_row,
for (y = 0; y < height; y += bh) {
const uint8_t *src = src_row;
+ const unsigned h = MIN2(bh, height - y);
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_rgba8_parse_block(&block, src);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_rgba8_fetch_texel(&block, i, j, dst);
dst += comps;
}
@@ -795,14 +811,16 @@ etc2_unpack_srgb8_alpha8(uint8_t *dst_row,
uint8_t tmp;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_rgba8_parse_block(&block, src);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_rgba8_fetch_texel(&block, i, j, dst);
/* Convert to MESA_FORMAT_B8G8R8A8_SRGB */
@@ -837,14 +855,16 @@ etc2_unpack_r11(uint8_t *dst_row,
unsigned x, y, i, j;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_r11_parse_block(&block, src);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps * comp_size;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_r11_fetch_texel(&block, i, j, dst);
dst += comps * comp_size;
}
@@ -872,16 +892,18 @@ etc2_unpack_rg11(uint8_t *dst_row,
unsigned x, y, i, j;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
/* red component */
etc2_r11_parse_block(&block, src);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride +
x * comps * comp_size;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_r11_fetch_texel(&block, i, j, dst);
dst += comps * comp_size;
}
@@ -889,10 +911,10 @@ etc2_unpack_rg11(uint8_t *dst_row,
/* green component */
etc2_r11_parse_block(&block, src + 8);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride +
x * comps * comp_size;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_r11_fetch_texel(&block, i, j, dst + comp_size);
dst += comps * comp_size;
}
@@ -920,15 +942,17 @@ etc2_unpack_signed_r11(uint8_t *dst_row,
unsigned x, y, i, j;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_r11_parse_block(&block, src);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride +
x * comps * comp_size;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_signed_r11_fetch_texel(&block, i, j, dst);
dst += comps * comp_size;
}
@@ -956,16 +980,18 @@ etc2_unpack_signed_rg11(uint8_t *dst_row,
unsigned x, y, i, j;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
/* red component */
etc2_r11_parse_block(&block, src);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride +
x * comps * comp_size;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_signed_r11_fetch_texel(&block, i, j, dst);
dst += comps * comp_size;
}
@@ -973,10 +999,10 @@ etc2_unpack_signed_rg11(uint8_t *dst_row,
/* green component */
etc2_r11_parse_block(&block, src + 8);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride +
x * comps * comp_size;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_signed_r11_fetch_texel(&block, i, j, dst + comp_size);
dst += comps * comp_size;
}
@@ -1001,14 +1027,16 @@ etc2_unpack_rgb8_punchthrough_alpha1(uint8_t *dst_row,
unsigned x, y, i, j;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_rgb8_parse_block(&block, src,
true /* punchthrough_alpha */);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_rgb8_fetch_texel(&block, i, j, dst,
true /* punchthrough_alpha */);
dst += comps;
@@ -1036,14 +1064,16 @@ etc2_unpack_srgb8_punchthrough_alpha1(uint8_t *dst_row,
uint8_t tmp;
for (y = 0; y < height; y += bh) {
+ const unsigned h = MIN2(bh, height - y);
const uint8_t *src = src_row;
for (x = 0; x < width; x+= bw) {
+ const unsigned w = MIN2(bw, width - x);
etc2_rgb8_parse_block(&block, src,
true /* punchthrough_alpha */);
- for (j = 0; j < bh; j++) {
+ for (j = 0; j < h; j++) {
uint8_t *dst = dst_row + (y + j) * dst_stride + x * comps;
- for (i = 0; i < bw; i++) {
+ for (i = 0; i < w; i++) {
etc2_rgb8_fetch_texel(&block, i, j, dst,
true /* punchthrough_alpha */);
/* Convert to MESA_FORMAT_B8G8R8A8_SRGB */