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authorwolfbeast <mcwerewolf@wolfbeast.com>2020-01-16 01:31:47 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-01-16 01:31:47 +0100
commit058105eec0564943dd872a7ae43cd8a5b94f0abf (patch)
treeed85f6708c7cc4a42dabd07d855f1e8f38ffc23c /gfx
parent82804d200236658ba6dfaa814d6e71661781fe19 (diff)
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Issue #1354 - Cherry-pick ANGLE update for broken drivers that support
required indexing but not the extensions.
Diffstat (limited to 'gfx')
-rwxr-xr-xgfx/angle/src/compiler/translator/TranslatorGLSL.cpp20
-rwxr-xr-xgfx/angle/src/libANGLE/renderer/gl/renderergl_utils.cpp15
2 files changed, 12 insertions, 23 deletions
diff --git a/gfx/angle/src/compiler/translator/TranslatorGLSL.cpp b/gfx/angle/src/compiler/translator/TranslatorGLSL.cpp
index 0ee96f590..0d72e2bbb 100755
--- a/gfx/angle/src/compiler/translator/TranslatorGLSL.cpp
+++ b/gfx/angle/src/compiler/translator/TranslatorGLSL.cpp
@@ -240,20 +240,14 @@ void TranslatorGLSL::writeExtensionBehavior(TIntermNode *root)
}
// Need to enable gpu_shader5 to have index constant sampler array indexing
- if (getOutputType() != SH_ESSL_OUTPUT && getOutputType() < SH_GLSL_400_CORE_OUTPUT)
+ if (getOutputType() != SH_ESSL_OUTPUT && getOutputType() < SH_GLSL_400_CORE_OUTPUT &&
+ getShaderVersion() == 100)
{
- sink << "#extension GL_ARB_gpu_shader5 : ";
-
- // Don't use "require" on WebGL 1 to avoid breaking WebGL on drivers that silently
- // support index constant sampler array indexing, but don't have the extension.
- if (getShaderVersion() >= 300)
- {
- sink << "require\n";
- }
- else
- {
- sink << "enable\n";
- }
+ // Don't use "require" to avoid breaking WebGL 1 on drivers that silently
+ // support index constant sampler array indexing, but don't have the extension or
+ // on drivers that don't have the extension at all as it would break WebGL 1 for
+ // some users.
+ sink << "#extension GL_ARB_gpu_shader5 : enable\n";
}
TExtensionGLSL extensionGLSL(getOutputType());
diff --git a/gfx/angle/src/libANGLE/renderer/gl/renderergl_utils.cpp b/gfx/angle/src/libANGLE/renderer/gl/renderergl_utils.cpp
index 87fd24a61..d65e00454 100755
--- a/gfx/angle/src/libANGLE/renderer/gl/renderergl_utils.cpp
+++ b/gfx/angle/src/libANGLE/renderer/gl/renderergl_utils.cpp
@@ -543,16 +543,11 @@ void GenerateCaps(const FunctionsGL *functions, gl::Caps *caps, gl::TextureCapsM
LimitVersion(maxSupportedESVersion, gl::Version(2, 0));
}
- // Check if index constant sampler array indexing is supported
- if (!functions->isAtLeastGL(gl::Version(4, 0)) &&
- !functions->isAtLeastGLES(gl::Version(2, 0)) &&
- !functions->hasExtension("GL_ARB_gpu_shader5"))
- {
- // This should also be required for ES2 but there are some driver support index constant
- // sampler array indexing without meeting the requirements above. Don't limit their ES
- // version as it would break WebGL for some users.
- LimitVersion(maxSupportedESVersion, gl::Version(2, 0));
- }
+ // Non-constant sampler array indexing is required for OpenGL ES 2 and OpenGL ES after 3.2.
+ // However having it available on OpenGL ES 2 is a specification bug, and using this
+ // indexing in WebGL is undefined. Requiring this feature would break WebGL 1 for some users
+ // so we don't check for it. (it is present with ESSL 100, ESSL >= 320, GLSL >= 400 and
+ // GL_ARB_gpu_shader5)
// Check if sampler objects are supported
if (!functions->isAtLeastGL(gl::Version(3, 3)) &&