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ESSL: always enable standard derivative functionality (dFdx, dFdy, fwidth) when available. Added 'shaderderivatives' graphics feature enum.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2017-07-09 16:55:21 -03:00
parent a4a62f390a
commit 34f25bd6c8
4 changed files with 7 additions and 1 deletions
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src/modules/graphics/opengl/Graphics.cpp
+2 -1
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@@ -1418,9 +1418,10 @@ void Graphics::initCapabilities()
capabilities.features[FEATURE_LIGHTEN] = GLAD_VERSION_1_4 || GLAD_ES_VERSION_3_0 || GLAD_EXT_blend_minmax;
capabilities.features[FEATURE_FULL_NPOT] = GLAD_VERSION_2_0 || GLAD_ES_VERSION_3_0 || GLAD_OES_texture_npot;
capabilities.features[FEATURE_PIXEL_SHADER_HIGHP] = gl.isPixelShaderHighpSupported();
capabilities.features[FEATURE_SHADER_DERIVATIVES] = GLAD_VERSION_2_0 || GLAD_ES_VERSION_3_0 || GLAD_OES_standard_derivatives;
capabilities.features[FEATURE_GLSL3] = GLAD_ES_VERSION_3_0 || gl.isCoreProfile();
capabilities.features[FEATURE_INSTANCING] = gl.isInstancingSupported();
static_assert(FEATURE_MAX_ENUM == 7, "Graphics::initCapabilities must be updated when adding a new graphics feature!");
static_assert(FEATURE_MAX_ENUM == 8, "Graphics::initCapabilities must be updated when adding a new graphics feature!");
capabilities.limits[LIMIT_POINT_SIZE] = gl.getMaxPointSize();
capabilities.limits[LIMIT_TEXTURE_SIZE] = gl.getMax2DTextureSize();