From 3336ef362109eef14f9e73cdededb43caefedb2f Mon Sep 17 00:00:00 2001 From: Prabhu Sundararaj Date: Mon, 12 May 2014 11:23:55 -0500 Subject: qtwebkit: Fix shader generation to be compliant to the specification QTWebkit generates shader which is not complaint to specification causing error with Vivante shader compiler. https://bugs.webkit.org/show_bug.cgi?id=124653#c9 Apply this patch till it get fixed in mainline. Change-Id: I85cf1a2fcb7457807f43a763b011e0b5ad11e8e9 Signed-off-by: Prabhu Sundararaj Signed-off-by: Otavio Salvador --- ...h-the-uniform-precision-qualifiers-in-ver.patch | 42 ++++++++++++++++++++++ qt5-layer/recipes-qt/qt5/qtwebkit_%.bbappend | 4 +++ 2 files changed, 46 insertions(+) create mode 100644 qt5-layer/recipes-qt/qt5/qtwebkit/0001-Fix-to-match-the-uniform-precision-qualifiers-in-ver.patch create mode 100644 qt5-layer/recipes-qt/qt5/qtwebkit_%.bbappend (limited to 'qt5-layer/recipes-qt') diff --git a/qt5-layer/recipes-qt/qt5/qtwebkit/0001-Fix-to-match-the-uniform-precision-qualifiers-in-ver.patch b/qt5-layer/recipes-qt/qt5/qtwebkit/0001-Fix-to-match-the-uniform-precision-qualifiers-in-ver.patch new file mode 100644 index 0000000..80e55c7 --- /dev/null +++ b/qt5-layer/recipes-qt/qt5/qtwebkit/0001-Fix-to-match-the-uniform-precision-qualifiers-in-ver.patch @@ -0,0 +1,42 @@ +From 66dab98c3f42eb70a4c6761a8694e374b8578e99 Mon Sep 17 00:00:00 2001 +From: Prabhu Sundararaj +Date: Thu, 8 May 2014 09:27:04 -0700 +Subject: [PATCH] Fix to match the uniform precision qualifiers in vertex and + fragment shaders + +When the vertex and fragment shaders are linked together, then they will +share a single global uniform name space. Hence, types and precisions of +uniforms with the same name must match across all shaders that are linked +into a single executable. + +As per GLSL_ES_Specification_3.00.3.pdf +Page 124 12.3 Numeric Precision +The fragment language has no default precision qualifier for floating point types. +Hence for float, floating point vector and matrix variable declarations, either +the declaration must include a precision qualifier or the default float +precision must have been previously declared. + +Upstream-Status: Submitted [https://bugs.webkit.org/show_bug.cgi?id=124653#c9] + +Change-Id: I4eb3363b3bca8bc3c839212ec7c966201a3e65e2 +Signed-off-by: Prabhu Sundararaj +--- + Source/WebCore/platform/graphics/texmap/TextureMapperShaderProgram.cpp | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/Source/WebCore/platform/graphics/texmap/TextureMapperShaderProgram.cpp b/Source/WebCore/platform/graphics/texmap/TextureMapperShaderProgram.cpp +index f4b9a7e..7e991bf 100644 +--- a/Source/WebCore/platform/graphics/texmap/TextureMapperShaderProgram.cpp ++++ b/Source/WebCore/platform/graphics/texmap/TextureMapperShaderProgram.cpp +@@ -208,7 +208,7 @@ static const char* fragmentTemplate = + ANTIALIASING_TEX_COORD_DIRECTIVE + BLUR_CONSTANTS + STRINGIFY( +- precision mediump float; ++ precision highp float; + uniform SamplerType s_sampler; + uniform sampler2D s_contentTexture; + uniform float u_opacity; +-- +1.9.1 + diff --git a/qt5-layer/recipes-qt/qt5/qtwebkit_%.bbappend b/qt5-layer/recipes-qt/qt5/qtwebkit_%.bbappend new file mode 100644 index 0000000..5d961e6 --- /dev/null +++ b/qt5-layer/recipes-qt/qt5/qtwebkit_%.bbappend @@ -0,0 +1,4 @@ +FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:" + +SRC_URI += "file://0001-Fix-to-match-the-uniform-precision-qualifiers-in-ver.patch" + -- cgit v1.2.3-54-g00ecf