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Fix GpuShader5 extension on Intel and support 'bitsTo' functions (#2118)

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GpuShader5 extension isn't supported on fragment shaders.
Bumps the GLSL version to support the 'bitsTo' functions when present on the shader.
This commit is contained in:
kingscallop
2020-04-27 04:43:03 +01:00
committed by GitHub
parent cb113a95fb
commit eaab1be079
2 changed files with 20 additions and 3 deletions
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16
tools/shaderc/shaderc.cpp
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@@ -1965,7 +1965,14 @@ namespace bgfx
const bx::StringView preprocessedInput(preprocessor.m_preprocessed.c_str() );
if (!bx::strFind(preprocessedInput, "layout(std430").isEmpty()
|| !bx::strFind(preprocessedInput, "image2D").isEmpty() )
|| !bx::strFind(preprocessedInput, "image2D").isEmpty()
|| (_options.shaderType == 'f'
&& (!bx::strFind(preprocessedInput, "floatBitsToUint").isEmpty() ||
!bx::strFind(preprocessedInput, "floatBitsToInt").isEmpty() ||
!bx::strFind(preprocessedInput, "intBitsToFloat").isEmpty() ||
!bx::strFind(preprocessedInput, "uintBitsToFloat").isEmpty()
) )
)
{
glsl = 430;
}
@@ -1976,9 +1983,14 @@ namespace bgfx
|| !bx::findIdentifierMatch(input, s_ARB_shader_texture_lod).isEmpty()
|| !bx::findIdentifierMatch(input, s_EXT_shader_texture_lod).isEmpty()
;
const bool usesGpuShader5 = true
&& _options.shaderType != 'f'
&& !bx::findIdentifierMatch(input, s_ARB_gpu_shader5).isEmpty()
;
const bool usesInstanceID = !bx::findIdentifierMatch(input, "gl_InstanceID").isEmpty();
const bool usesGpuShader4 = !bx::findIdentifierMatch(input, s_EXT_gpu_shader4).isEmpty();
const bool usesGpuShader5 = !bx::findIdentifierMatch(input, s_ARB_gpu_shader5).isEmpty();
const bool usesTexelFetch = !bx::findIdentifierMatch(input, s_texelFetch).isEmpty();
const bool usesTextureMS = !bx::findIdentifierMatch(input, s_ARB_texture_multisample).isEmpty();
const bool usesTextureArray = !bx::findIdentifierMatch(input, s_textureArray).isEmpty();