Add 'engine/' from commit 'a8e37fc010'

git-subtree-dir: engine
git-subtree-mainline: b74841629e
git-subtree-split: a8e37fc010

engine/tests/python_build/fixtures/gles3/_included.glsl

@@ -0,0 +1 @@
+#define M_PI 3.14159265359

engine/tests/python_build/fixtures/gles3/vertex_fragment.glsl

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+#include "_included.glsl"
+
+#[modes]
+
+mode_ninepatch = #define USE_NINEPATCH
+/* clang-format off */
+#[specializations]
+
+DISABLE_LIGHTING = false
+
+#[vertex]
+
+precision highp float;
+precision highp int;
+/* clang-format on */
+layout(location = 0) in highp vec3 vertex;
+
+out highp vec4 position_interp;
+
+void main() {
+	position_interp = vec4(vertex.x, 1, 0, 1);
+}
+
+#[fragment]
+
+precision highp float;
+precision highp int;
+
+in highp vec4 position_interp;
+
+void main() {
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0);
+	frag_color = vec4(depth);
+}

engine/tests/python_build/fixtures/gles3/vertex_fragment.out

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+#include "drivers/gles3/shader_gles3.h"
+
+class VertexFragmentShaderGLES3 : public ShaderGLES3 {
+public:
+	enum ShaderVariant {
+		MODE_NINEPATCH,
+	};
+
+	enum Specializations {
+		DISABLE_LIGHTING = 1,
+	};
+
+	_FORCE_INLINE_ bool version_bind_shader(RID p_version, ShaderVariant p_variant, uint64_t p_specialization = 0) {
+		return _version_bind_shader(p_version, p_variant, p_specialization);
+	}
+
+protected:
+	virtual void _init() override {
+		static const char **_uniform_strings = nullptr;
+		static const char *_variant_defines[] = {
+			"#define USE_NINEPATCH",
+		};
+		static TexUnitPair *_texunit_pairs = nullptr;
+		static UBOPair *_ubo_pairs = nullptr;
+		static Specialization _spec_pairs[] = {
+			{ "DISABLE_LIGHTING", false },
+		};
+		static const Feedback *_feedbacks = nullptr;
+		static const char _vertex_code[] = {
+R"<!>(
+precision highp float;
+precision highp int;
+/* clang-format on */
+layout(location = 0) in highp vec3 vertex;
+
+out highp vec4 position_interp;
+
+void main() {
+	position_interp = vec4(vertex.x, 1, 0, 1);
+}
+
+)<!>"
+		};
+
+		static const char _fragment_code[] = {
+R"<!>(
+precision highp float;
+precision highp int;
+
+in highp vec4 position_interp;
+
+void main() {
+	highp float depth = ((position_interp.z / position_interp.w) + 1.0);
+	frag_color = vec4(depth);
+}
+)<!>"
+		};
+
+		_setup(_vertex_code, _fragment_code, "VertexFragmentShaderGLES3",
+				0, _uniform_strings, 0, _ubo_pairs,
+				0, _feedbacks, 0, _texunit_pairs,
+				1, _spec_pairs, 1, _variant_defines);
+	}
+};