diff --git a/texture-blending.patch b/texture-blending.patch new file mode 100644 index 0000000..7e763c2 --- /dev/null +++ b/texture-blending.patch @@ -0,0 +1,30 @@ +From 4dd20f2678195524dd147db3fe902d0a93de3df0 Mon Sep 17 00:00:00 2001 +From: Neil Roberts +Date: Thu, 24 Feb 2011 18:42:47 +0000 +Subject: cogl-blit: Disable blending when using texture render + +When using a pipeline and the journal to blit images between +framebuffers, it should disable blending. Otherwise it will end up +blending the source texture with uninitialised garbage in the +destination texture. +--- +diff --git a/clutter/cogl/cogl/cogl-blit.c b/clutter/cogl/cogl/cogl-blit.c +index 1c40e34..255f77c 100644 +--- a/clutter/cogl/cogl/cogl-blit.c ++++ b/clutter/cogl/cogl/cogl-blit.c +@@ -78,6 +78,12 @@ _cogl_blit_texture_render_begin (CoglBlitData *data) + cogl_pipeline_set_layer_filters (ctx->blit_texture_pipeline, 0, + COGL_PIPELINE_FILTER_NEAREST, + COGL_PIPELINE_FILTER_NEAREST); ++ ++ /* Disable blending by just directly taking the contents of the ++ source texture */ ++ cogl_pipeline_set_blend (ctx->blit_texture_pipeline, ++ "RGBA = ADD(SRC_COLOR, 0)", ++ NULL); + } + + pipeline = ctx->blit_texture_pipeline; +-- +cgit v0.8.3.1-30-gff3a +