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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_OPENGL_EGLFUNCTIONS_H_
#define SRC_DAWN_NATIVE_OPENGL_EGLFUNCTIONS_H_
#include "dawn/common/egl_platform.h"
#include "dawn/common/ityp_bitset.h"
#include "dawn/native/Error.h"
namespace dawn::native::opengl {
enum class EGLExt {
// Promoted to EGL 1.5
ClientExtensions,
PlatformBase,
FenceSync,
CLEvent2,
WaitSync,
ImageBase,
GLTexture2DImage,
GLTexture3DImage,
GLTextureCubemapImage,
GLRenderBufferImage,
CreateContext,
CreateContextRobustness,
GetAllProcAddresses,
ClientGetAllProcAddresses,
GLColorSpace,
SurfacelessContext,
// Other extensions,
DisplayTextureShareGroup,
ReusableSync,
NoConfigContext,
PixelFormatFloat,
GLColorspace,
EnumCount,
};
// An EGL function loader that also takes care of discovering which extensions are available.
// (taking into account the ones that have been promoted to core EGL versions).
class EGLFunctions {
public:
MaybeError LoadClientProcs(EGLGetProcProc getProc);
MaybeError LoadDisplayProcs(EGLDisplay display);
uint32_t GetMajorVersion() const;
uint32_t GetMinorVersion() const;
bool HasExt(EGLExt extension) const;
// EGL 1.0
PFNEGLGETPROCADDRESSPROC GetProcAddress;
PFNEGLCHOOSECONFIGPROC ChooseConfig;
PFNEGLCOPYBUFFERSPROC CopyBuffers;
PFNEGLCREATECONTEXTPROC CreateContext;
PFNEGLCREATEPBUFFERSURFACEPROC CreatePbufferSurface;
PFNEGLCREATEPIXMAPSURFACEPROC CreatePixmapSurface;
PFNEGLCREATEWINDOWSURFACEPROC CreateWindowSurface;
PFNEGLDESTROYCONTEXTPROC DestroyContext;
PFNEGLDESTROYSURFACEPROC DestroySurface;
PFNEGLGETCONFIGATTRIBPROC GetConfigAttrib;
PFNEGLGETCONFIGSPROC GetConfigs;
PFNEGLGETCURRENTDISPLAYPROC GetCurrentDisplay;
PFNEGLGETCURRENTSURFACEPROC GetCurrentSurface;
PFNEGLGETDISPLAYPROC GetDisplay;
PFNEGLGETERRORPROC GetError;
PFNEGLINITIALIZEPROC Initialize;
PFNEGLMAKECURRENTPROC MakeCurrent;
PFNEGLQUERYCONTEXTPROC QueryContext;
PFNEGLQUERYSTRINGPROC QueryString;
PFNEGLQUERYSURFACEPROC QuerySurface;
PFNEGLSWAPBUFFERSPROC SwapBuffers;
PFNEGLTERMINATEPROC Terminate;
PFNEGLWAITGLPROC WaitGL;
PFNEGLWAITNATIVEPROC WaitNative;
// EGL 1.1
PFNEGLBINDTEXIMAGEPROC BindTexImage;
PFNEGLRELEASETEXIMAGEPROC ReleaseTexImage;
PFNEGLSURFACEATTRIBPROC SurfaceAttrib;
PFNEGLSWAPINTERVALPROC SwapInterval;
// EGL 1.2
PFNEGLBINDAPIPROC BindAPI;
PFNEGLQUERYAPIPROC QueryAPI;
PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC CreatePbufferFromClientBuffer;
PFNEGLRELEASETHREADPROC ReleaseThread;
PFNEGLWAITCLIENTPROC WaitClient;
// EGL 1.3 (no new procs)
// EGL 1.4
PFNEGLGETCURRENTCONTEXTPROC GetCurrentContext;
// EGL 1.5
PFNEGLCREATESYNCPROC CreateSync;
PFNEGLDESTROYSYNCPROC DestroySync;
PFNEGLCLIENTWAITSYNCPROC ClientWaitSync;
PFNEGLGETSYNCATTRIBPROC GetSyncAttrib;
PFNEGLCREATEIMAGEPROC CreateImage;
PFNEGLDESTROYIMAGEPROC DestroyImage;
PFNEGLGETPLATFORMDISPLAYPROC GetPlatformDisplay;
PFNEGLCREATEPLATFORMWINDOWSURFACEPROC CreatePlatformWindowSurface;
PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC CreatePlatformPixmapSurface;
PFNEGLWAITSYNCPROC WaitSync;
// EGL_KHR_reusable_sync
PFNEGLSIGNALSYNCKHRPROC SignalSync;
private:
MaybeError LoadClientExtensions();
uint32_t mMajorVersion = 0;
uint32_t mMinorVersion = 0;
ityp::bitset<EGLExt, static_cast<size_t>(EGLExt::EnumCount)> mExtensions;
};
} // namespace dawn::native::opengl
#endif // SRC_DAWN_NATIVE_OPENGL_EGLFUNCTIONS_H_