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GL: Add attribute-less shader workaround for MacOS to the backend

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This workaround and the issue was described in D4490. This makes sure
any shader using `shaderCreateInfo` will benefit from the same workaround.
This commit is contained in:
Clément Foucault 2022-05-01 20:54:33 +02:00
parent 631506d9c3
commit a330b9b0ea
1 changed files with 5 additions and 0 deletions
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5
source/blender/gpu/opengl/gl_shader.cc
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@ -530,6 +530,11 @@ std::string GLShader::vertex_interface_declare(const ShaderCreateInfo &info) con
}
ss << "in " << to_string(attr.type) << " " << attr.name << ";\n";
}
/* NOTE(D4490): Fix a bug where shader without any vertex attributes do not behave correctly. */
if (GPU_type_matches_ex(GPU_DEVICE_APPLE, GPU_OS_MAC, GPU_DRIVER_ANY, GPU_BACKEND_OPENGL) &&
info.vertex_inputs_.is_empty()) {
ss << "in float gpu_dummy_workaround;\n";
}
ss << "\n/* Interfaces. */\n";
for (const StageInterfaceInfo *iface : info.vertex_out_interfaces_) {
print_interface(ss, "out", *iface);