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- /*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef GrGLContext_DEFINED
- #define GrGLContext_DEFINED
- #include "include/gpu/gl/GrGLExtensions.h"
- #include "include/gpu/gl/GrGLInterface.h"
- #include "src/gpu/gl/GrGLCaps.h"
- #include "src/gpu/gl/GrGLUtil.h"
- #include "src/gpu/glsl/GrGLSL.h"
- struct GrContextOptions;
- namespace SkSL {
- class Compiler;
- }
- /**
- * Encapsulates information about an OpenGL context including the OpenGL
- * version, the GrGLStandard type of the context, and GLSL version.
- */
- class GrGLContextInfo {
- public:
- GrGLContextInfo(const GrGLContextInfo&) = delete;
- GrGLContextInfo& operator=(const GrGLContextInfo&) = delete;
- virtual ~GrGLContextInfo() {}
- GrGLStandard standard() const { return fInterface->fStandard; }
- GrGLVersion version() const { return fGLVersion; }
- GrGLSLGeneration glslGeneration() const { return fGLSLGeneration; }
- GrGLVendor vendor() const { return fVendor; }
- GrGLRenderer renderer() const { return fRenderer; }
- GrGLANGLEBackend angleBackend() const { return fANGLEBackend; }
- GrGLANGLEVendor angleVendor() const { return fANGLEVendor; }
- GrGLANGLERenderer angleRenderer() const { return fANGLERenderer; }
- /** What driver is running our GL implementation? This is not necessarily related to the vendor.
- (e.g. Intel GPU being driven by Mesa) */
- GrGLDriver driver() const { return fDriver; }
- GrGLDriverVersion driverVersion() const { return fDriverVersion; }
- const GrGLCaps* caps() const { return fGLCaps.get(); }
- GrGLCaps* caps() { return fGLCaps.get(); }
- bool hasExtension(const char* ext) const {
- return fInterface->hasExtension(ext);
- }
- const GrGLExtensions& extensions() const { return fInterface->fExtensions; }
- protected:
- struct ConstructorArgs {
- sk_sp<const GrGLInterface> fInterface;
- GrGLVersion fGLVersion;
- GrGLSLGeneration fGLSLGeneration;
- GrGLVendor fVendor;
- GrGLRenderer fRenderer;
- GrGLDriver fDriver;
- GrGLDriverVersion fDriverVersion;
- GrGLANGLEBackend fANGLEBackend;
- GrGLANGLEVendor fANGLEVendor;
- GrGLANGLERenderer fANGLERenderer;
- const GrContextOptions* fContextOptions;
- };
- GrGLContextInfo(ConstructorArgs&&);
- sk_sp<const GrGLInterface> fInterface;
- GrGLVersion fGLVersion;
- GrGLSLGeneration fGLSLGeneration;
- GrGLVendor fVendor;
- GrGLRenderer fRenderer;
- GrGLDriver fDriver;
- GrGLDriverVersion fDriverVersion;
- GrGLANGLEBackend fANGLEBackend;
- GrGLANGLEVendor fANGLEVendor;
- GrGLANGLERenderer fANGLERenderer;
- sk_sp<GrGLCaps> fGLCaps;
- };
- /**
- * Extension of GrGLContextInfo that also provides access to GrGLInterface and SkSL::Compiler.
- */
- class GrGLContext : public GrGLContextInfo {
- public:
- /**
- * Creates a GrGLContext from a GrGLInterface and the currently
- * bound OpenGL context accessible by the GrGLInterface.
- */
- static std::unique_ptr<GrGLContext> Make(sk_sp<const GrGLInterface>, const GrContextOptions&);
- const GrGLInterface* interface() const { return fInterface.get(); }
- SkSL::Compiler* compiler() const;
- ~GrGLContext() override;
- private:
- GrGLContext(ConstructorArgs&& args) : INHERITED(std::move(args)), fCompiler(nullptr) {}
- mutable SkSL::Compiler* fCompiler;
- typedef GrGLContextInfo INHERITED;
- };
- #endif
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