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- added handling of GLSL noise() functions to Vulkan backend

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alexey-lysiuk authored and madame-rachelle committed May 9, 2019
1 parent 4e5bd16 commit 9a1dab57e9fee3799feb003deb120388295c1634
Showing with 11 additions and 0 deletions.
  1. +11 −0 src/rendering/vulkan/shaders/vk_shader.cpp
@@ -214,6 +214,17 @@ static const char *shaderBindings = R"(
// GLSL spec 4.60, 8.15. Noise Functions
// "The noise functions noise1, noise2, noise3, and noise4 have been deprecated starting with version 4.4 of GLSL.
// When not generating SPIR-V they are defined to return the value 0.0 or a vector whose components are all 0.0.
// When generating SPIR-V the noise functions are not declared and may not be used."
// However, we need to support mods with custom shaders created for OpenGL renderer
float noise1(float) { return 0; }
vec2 noise2(vec2) { return vec2(0); }
vec3 noise3(vec3) { return vec3(0); }
vec4 noise4(vec4) { return vec4(0); }

std::unique_ptr<VulkanShader> VkShaderManager::LoadVertShader(FString shadername, const char *vert_lump, const char *defines)

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