On Sat, Jun 6, 2015 at 4:27 AM, James Almer jamr...@gmail.com wrote:
On 02/06/15 8:09 AM, Vittorio Giovara wrote:
+/* Alpha compression function */
+static void compress_alpha(uint8_t *dst, ptrdiff_t stride, const uint8_t
*block)
+{
+int i, j;
+int dist, bias, dist4, dist2, bits,
On 02/06/15 8:09 AM, Vittorio Giovara wrote:
+/* Alpha compression function */
+static void compress_alpha(uint8_t *dst, ptrdiff_t stride, const uint8_t
*block)
+{
+int i, j;
+int dist, bias, dist4, dist2, bits, mask;
+int mn, mx;
+
+/* Find min/max color */
+mn = mx
This module implements generic texture decompression from different
families (DXTC, RGTC, BCn) and texture compression DXTC 1, 3, and 5.
Signed-off-by: Vittorio Giovara vittorio.giov...@gmail.com
---
Updated with Justin's and James' comments (thanks).
Vittorio
configure | 2 +
On 05/31/2015 07:41 AM, Vittorio Giovara wrote:
+/** Convert a premultiplied alpha pixel to a straigth alpha pixel. */
+static av_always_inline void premult2straight(uint8_t *src)
+{
+int r = src[0];
+int g = src[1];
+int b = src[2];
+int a = src[3];
+
+src[0] = (uint8_t) r *
This module implements generic texture decompression from different
families (DXTC, RGTC, BCn) and texture compression DXTC 1, 3, and 5.
Signed-off-by: Vittorio Giovara vittorio.giov...@gmail.com
---
configure | 2 +
libavcodec/Makefile| 3 +
libavcodec/texturedsp.c
