slideshow/source/engine/opengl/TransitionImpl.cxx | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
New commits:
commit c1959f505eb9322557dd915f2eefb49ce02f2802
Author: Mike Kaganski <mike.kagan...@collabora.com>
AuthorDate: Sat Apr 3 09:49:16 2021 +0300
Commit: Mike Kaganski <mike.kagan...@collabora.com>
CommitDate: Sat Apr 3 10:13:49 2021 +0200
Use 64-KiB buffer instead of 256-KiB
We only use red channel anyway, so no need to also waste space for
G, B and A.
Change-Id: I2bacef36d1e9845287a205a5f6473952ef59083e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113552
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kagan...@collabora.com>
diff --git a/slideshow/source/engine/opengl/TransitionImpl.cxx
b/slideshow/source/engine/opengl/TransitionImpl.cxx
index 98d6778fd197..f8d062d34941 100644
--- a/slideshow/source/engine/opengl/TransitionImpl.cxx
+++ b/slideshow/source/engine/opengl/TransitionImpl.cxx
@@ -1473,18 +1473,18 @@ void initPermTexture(GLuint *texID)
glBindTexture(GL_TEXTURE_2D, *texID);
static bool initialized = false;
- static unsigned char permutation2D[256*256*4];
+ static unsigned char permutation2D[256*256];
if( !initialized ) {
int x, y;
for( y=0; y < 256; y++ )
for( x=0; x < 256; x++ )
- permutation2D[x*4 + y*1024] = permutation256[(y +
permutation256[x]) & 0xff];
+ permutation2D[x + y*256] = permutation256[(y +
permutation256[x]) & 0xff];
initialized = true;
}
- glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 256, 256, 0, GL_RGBA,
GL_UNSIGNED_BYTE, permutation2D );
+ glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, 256, 256, 0, GL_RED,
GL_UNSIGNED_BYTE, permutation2D );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
CHECK_GL_ERROR();
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