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| author |   Andre McCurdy <armccurdy@gmail.com> | 2015-10-20 20:20:35 -0700 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2015-10-24 12:17:48 +0100 |
| commit | 18358a04930722ffec856cab359ed32f061ba555 (patch) | |
| tree | c4d51c20de0a547243d3eff7ef878f3bea1dea11 /meta/recipes-graphics/cairo | |
| parent | f3566af923a9559fa77c1fb0cd22557afb724835 (diff) | |
| download | openembedded-core-contrib-18358a04930722ffec856cab359ed32f061ba555.tar.gz | |
cairo: backport fix for compatibility with OpenGL ES 2.0
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.
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>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Diffstat (limited to 'meta/recipes-graphics/cairo')
| -rw-r--r-- | meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch | 49 | ||||
| -rw-r--r-- | meta/recipes-graphics/cairo/cairo_1.14.2.bb | 1 |
2 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch b/meta/recipes-graphics/cairo/cairo/Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch new file mode 100644 index 00000000000..955b7d4ef5d --- /dev/null +++ b/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 + diff --git a/meta/recipes-graphics/cairo/cairo_1.14.2.bb b/meta/recipes-graphics/cairo/cairo_1.14.2.bb index 3817dbf286a..75cde0ad7c8 100644 --- a/meta/recipes-graphics/cairo/cairo_1.14.2.bb +++ b/meta/recipes-graphics/cairo/cairo_1.14.2.bb @@ -3,6 +3,7 @@ require cairo.inc LIC_FILES_CHKSUM = "file://COPYING;md5=e73e999e0c72b5ac9012424fa157ad77" SRC_URI = "http://cairographics.org/releases/cairo-${PV}.tar.xz" +SRC_URI += "file://Manually-transpose-the-matrix-in-_cairo_gl_shader_bi.patch" SRC_URI[md5sum] = "e1cdfaf1c6c995c4d4c54e07215b0118" SRC_URI[sha256sum] = "c919d999ddb1bbbecd4bbe65299ca2abd2079c7e13d224577895afa7005ecceb" |