diff options
Diffstat (limited to 'yocto-poky/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch')
-rw-r--r-- | yocto-poky/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/yocto-poky/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch b/yocto-poky/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch new file mode 100644 index 000000000..955b7d4ef --- /dev/null +++ b/yocto-poky/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch @@ -0,0 +1,49 @@ +Upstream-Status: Backport + + http://lists.cairographics.org/archives/cairo/2015-May/026253.html + http://cgit.freedesktop.org/cairo/commit/?id=f52f0e2feb1ad0a4de23c475a8c020d41a1764a8 + +Signed-off-by: Andre McCurdy <armccurdy@gmail.com> + + +From f52f0e2feb1ad0a4de23c475a8c020d41a1764a8 Mon Sep 17 00:00:00 2001 +From: Zan Dobersek <zdobersek@igalia.com> +Date: Fri, 8 May 2015 01:50:25 -0700 +Subject: [PATCH] Manually transpose the matrix in _cairo_gl_shader_bind_matrix() + +To maintain compatibility with OpenGL ES 2.0, the matrix in +_cairo_gl_shader_bind_matrix() should be manually transposed, +and GL_FALSE passed as the transpose argument to the +glUniformMatrix3fv() call as it is the only valid value for +that parameter in OpenGL ES 2.0. + +Reviewed-by: Bryce Harrington <bryce@osg.samsung.com> +Acked-by: "Henry (Yu) Song" <henry.song@samsung.com> +--- + src/cairo-gl-shaders.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/src/cairo-gl-shaders.c b/src/cairo-gl-shaders.c +index 2710606..fe975d2 100644 +--- a/src/cairo-gl-shaders.c ++++ b/src/cairo-gl-shaders.c +@@ -973,12 +973,12 @@ _cairo_gl_shader_bind_matrix (cairo_gl_context_t *ctx, + { + cairo_gl_dispatch_t *dispatch = &ctx->dispatch; + float gl_m[9] = { +- m->xx, m->xy, m->x0, +- m->yx, m->yy, m->y0, +- 0, 0, 1 ++ m->xx, m->yx, 0, ++ m->xy, m->yy, 0, ++ m->x0, m->y0, 1 + }; + assert (location != -1); +- dispatch->UniformMatrix3fv (location, 1, GL_TRUE, gl_m); ++ dispatch->UniformMatrix3fv (location, 1, GL_FALSE, gl_m); + } + + void +-- +1.9.1 + |