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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef UI_GL_GL_GL_API_IMPLEMENTATION_H_
- #define UI_GL_GL_GL_API_IMPLEMENTATION_H_
- #include <memory>
- #include <vector>
- #include "base/memory/raw_ptr.h"
- #include "ui/gl/gl_bindings.h"
- #include "ui/gl/gl_export.h"
- #include "ui/gl/gl_workarounds.h"
- namespace gl {
- struct GLVersionInfo;
- GL_EXPORT GLenum GetInternalFormat(const GLVersionInfo* version,
- GLenum internal_format);
- GL_EXPORT void InitializeStaticGLBindingsGL();
- GL_EXPORT void ClearBindingsGL();
- bool SetNullDrawGLBindingsEnabled(bool enabled);
- bool GetNullDrawBindingsEnabled();
- void SetCurrentGL(CurrentGL* current);
- class GL_EXPORT GLApiBase : public GLApi {
- public:
- // Include the auto-generated part of this class. We split this because
- // it means we can easily edit the non-auto generated parts right here in
- // this file instead of having to edit some template or the code generator.
- #include "gl_bindings_api_autogen_gl.h"
- protected:
- GLApiBase();
- ~GLApiBase() override;
- void InitializeBase(DriverGL* driver);
- raw_ptr<DriverGL> driver_;
- };
- // Implemenents the GL API by calling directly into the driver.
- class GL_EXPORT RealGLApi : public GLApiBase {
- public:
- RealGLApi();
- ~RealGLApi() override;
- void Initialize(DriverGL* driver);
- void SetDisabledExtensions(const std::string& disabled_extensions) override;
- void glGetIntegervFn(GLenum pname, GLint* params) override;
- const GLubyte* glGetStringFn(GLenum name) override;
- const GLubyte* glGetStringiFn(GLenum name, GLuint index) override;
- void glTexImage2DFn(GLenum target,
- GLint level,
- GLint internalformat,
- GLsizei width,
- GLsizei height,
- GLint border,
- GLenum format,
- GLenum type,
- const void* pixels) override;
- void glTexSubImage2DFn(GLenum target,
- GLint level,
- GLint xoffset,
- GLint yoffset,
- GLsizei width,
- GLsizei height,
- GLenum format,
- GLenum type,
- const void* pixels) override;
- void glTexStorage2DEXTFn(GLenum target,
- GLsizei levels,
- GLenum internalformat,
- GLsizei width,
- GLsizei height) override;
- void glTexStorageMem2DEXTFn(GLenum target,
- GLsizei levels,
- GLenum internalformat,
- GLsizei width,
- GLsizei height,
- GLuint memory,
- GLuint64 offset) override;
- void glTexStorageMemFlags2DANGLEFn(GLenum target,
- GLsizei levels,
- GLenum internalformat,
- GLsizei width,
- GLsizei height,
- GLuint memory,
- GLuint64 offset,
- GLbitfield createFlags,
- GLbitfield usageFlags,
- const void* imageCreateInfoPNext) override;
- void glRenderbufferStorageEXTFn(GLenum target,
- GLenum internalformat,
- GLsizei width,
- GLsizei height) override;
- void glRenderbufferStorageMultisampleEXTFn(GLenum target,
- GLsizei samples,
- GLenum internalformat,
- GLsizei width,
- GLsizei height) override;
- void glRenderbufferStorageMultisampleFn(GLenum target,
- GLsizei samples,
- GLenum internalformat,
- GLsizei width,
- GLsizei height) override;
- void glReadPixelsFn(GLint x,
- GLint y,
- GLsizei width,
- GLsizei height,
- GLenum format,
- GLenum type,
- void* pixels) override;
- void glClearFn(GLbitfield mask) override;
- void glClearColorFn(GLclampf red,
- GLclampf green,
- GLclampf blue,
- GLclampf alpha) override;
- void glDrawArraysFn(GLenum mode, GLint first, GLsizei count) override;
- void glDrawElementsFn(GLenum mode,
- GLsizei count,
- GLenum type,
- const void* indices) override;
- void glClearDepthFn(GLclampd depth) override;
- void glDepthRangeFn(GLclampd z_near, GLclampd z_far) override;
- void glUseProgramFn(GLuint program) override;
- void set_gl_workarounds(const GLWorkarounds& workarounds);
- void set_version(std::unique_ptr<GLVersionInfo> version);
- void ClearCachedGLExtensions();
- private:
- // Compute |filtered_exts_| & |filtered_exts_str_| from |disabled_ext_|.
- void InitializeFilteredExtensionsIfNeeded();
- const bool logging_enabled_;
- std::vector<std::string> disabled_exts_;
- // Filtered GL_EXTENSIONS we return to glGetString(i) calls.
- std::vector<std::string> filtered_exts_;
- std::string filtered_exts_str_;
- GLWorkarounds gl_workarounds_;
- std::unique_ptr<GLVersionInfo> version_;
- };
- // Inserts a TRACE for every GL call.
- class TraceGLApi : public GLApi {
- public:
- TraceGLApi(GLApi* gl_api) : gl_api_(gl_api) { }
- ~TraceGLApi() override;
- // Include the auto-generated part of this class. We split this because
- // it means we can easily edit the non-auto generated parts right here in
- // this file instead of having to edit some template or the code generator.
- #include "gl_bindings_api_autogen_gl.h"
- private:
- raw_ptr<GLApi> gl_api_;
- };
- // Logs debug information for every GL call.
- class LogGLApi : public GLApi {
- public:
- LogGLApi(GLApi* gl_api);
- ~LogGLApi() override;
- // Include the auto-generated part of this class. We split this because
- // it means we can easily edit the non-auto generated parts right here in
- // this file instead of having to edit some template or the code generator.
- #include "gl_bindings_api_autogen_gl.h"
- private:
- raw_ptr<GLApi> gl_api_;
- };
- // Catches incorrect usage when GL calls are made without a current context.
- class NoContextGLApi : public GLApi {
- public:
- NoContextGLApi();
- ~NoContextGLApi() override;
- // Include the auto-generated part of this class. We split this because
- // it means we can easily edit the non-auto generated parts right here in
- // this file instead of having to edit some template or the code generator.
- #include "gl_bindings_api_autogen_gl.h"
- };
- } // namespace gl
- #endif // UI_GL_GL_GL_API_IMPLEMENTATION_H_
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