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MobileGL/MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
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// MobileGL - MobileGL/MG_Util/BackendLoaders/OpenGL/Loader.cpp
// Copyright (c) 2025-2026 MobileGL-Dev
// Licensed under the GNU Lesser General Public License v3.0:
// https://www.gnu.org/licenses/gpl-3.0.txt
// https://www.gnu.org/licenses/lgpl-3.0.txt
// SPDX-License-Identifier: LGPL-3.0-only
// End of Source File Header
#include "Loader.h"
#include "MG_Util/Types.h"
namespace MobileGL::MG_Util::BackendLoader {
static void* OpenLib(const Vector<String>& names) {
#if !defined(__WIN32) && !defined(_WIN32) && !defined(__APPLE__)
static const String LibPathPrefixes[] = {
"/opt/vc/lib/", "/usr/local/lib/", "/usr/lib/", "/usr/lib/x86_64-linux-gnu/",
"" // We should put this to the end of the list to avoid breaking `LD_LIBRARY_PATH` usage
};
void* lib = nullptr;
Int flags = RTLD_LOCAL | RTLD_NOW;
for (const auto& prefix : LibPathPrefixes) {
for (const auto& name : names) {
String path_name = prefix + name;
if ((lib = dlopen(path_name.c_str(), flags))) {
return lib;
}
}
}
#endif
return nullptr;
}
inline void* ProcAddress(void* lib, const char* name) {
#if !defined(__WIN32) && !defined(_WIN32) && !defined(__APPLE__)
return dlsym(lib, name);
#else
return nullptrptr;
#endif
}
Bool AcquireGLESFunctions(MG_External::GLESFunctionsTable& funcs,
MG_External::EGL::eglGetProcAddress_PTR procAddress) {
if (!procAddress) {
MGLOG_E("eglGetProcAddress is nullptr, cannot load GLES functions");
return false;
}
#define INIT_GLES_FUNC(name) \
do { \
funcs.name = (MG_External::GLES::name##_PTR)procAddress(#name); \
if (!funcs.name) { \
MGLOG_E("Failed to load GLES function: %s", #name); \
} \
} while (0);
{
INIT_GLES_FUNC(glActiveTexture)
INIT_GLES_FUNC(glAttachShader)
INIT_GLES_FUNC(glBindAttribLocation)
INIT_GLES_FUNC(glBindBuffer)
INIT_GLES_FUNC(glBindFramebuffer)
INIT_GLES_FUNC(glBindRenderbuffer)
INIT_GLES_FUNC(glBindTexture)
INIT_GLES_FUNC(glBlendColor)
INIT_GLES_FUNC(glBlendEquation)
INIT_GLES_FUNC(glBlendEquationSeparate)
INIT_GLES_FUNC(glBlendFunc)
INIT_GLES_FUNC(glBlendFuncSeparate)
INIT_GLES_FUNC(glBufferData)
INIT_GLES_FUNC(glBufferSubData)
INIT_GLES_FUNC(glCheckFramebufferStatus)
INIT_GLES_FUNC(glClear)
INIT_GLES_FUNC(glClearColor)
INIT_GLES_FUNC(glClearDepthf)
INIT_GLES_FUNC(glClearStencil)
INIT_GLES_FUNC(glColorMask)
INIT_GLES_FUNC(glCompileShader)
INIT_GLES_FUNC(glCompressedTexImage2D)
INIT_GLES_FUNC(glCompressedTexSubImage2D)
// INIT_GLES_FUNC(glCopyTexImage1D)
INIT_GLES_FUNC(glCopyTexImage2D)
INIT_GLES_FUNC(glCopyTexSubImage2D)
INIT_GLES_FUNC(glCreateProgram)
INIT_GLES_FUNC(glCreateShader)
INIT_GLES_FUNC(glCullFace)
INIT_GLES_FUNC(glDeleteBuffers)
INIT_GLES_FUNC(glDeleteFramebuffers)
INIT_GLES_FUNC(glDeleteProgram)
INIT_GLES_FUNC(glDeleteRenderbuffers)
INIT_GLES_FUNC(glDeleteShader)
INIT_GLES_FUNC(glDeleteTextures)
INIT_GLES_FUNC(glDepthFunc)
INIT_GLES_FUNC(glDepthMask)
INIT_GLES_FUNC(glDepthRangef)
INIT_GLES_FUNC(glDetachShader)
INIT_GLES_FUNC(glDisable)
INIT_GLES_FUNC(glDisableVertexAttribArray)
INIT_GLES_FUNC(glDrawArrays)
INIT_GLES_FUNC(glDrawElements)
INIT_GLES_FUNC(glEnable)
INIT_GLES_FUNC(glEnableVertexAttribArray)
INIT_GLES_FUNC(glFinish)
INIT_GLES_FUNC(glFlush)
INIT_GLES_FUNC(glFramebufferRenderbuffer)
INIT_GLES_FUNC(glFramebufferTexture2D)
INIT_GLES_FUNC(glFrontFace)
INIT_GLES_FUNC(glGenBuffers)
INIT_GLES_FUNC(glGenerateMipmap)
INIT_GLES_FUNC(glGenFramebuffers)
INIT_GLES_FUNC(glGenRenderbuffers)
INIT_GLES_FUNC(glGenTextures)
INIT_GLES_FUNC(glGetActiveAttrib)
INIT_GLES_FUNC(glGetActiveUniform)
INIT_GLES_FUNC(glGetAttachedShaders)
INIT_GLES_FUNC(glGetAttribLocation)
INIT_GLES_FUNC(glGetBooleanv)
INIT_GLES_FUNC(glGetBufferParameteriv)
INIT_GLES_FUNC(glGetError)
INIT_GLES_FUNC(glGetString)
INIT_GLES_FUNC(glGetStringi)
INIT_GLES_FUNC(glGetFloatv)
INIT_GLES_FUNC(glGetFramebufferAttachmentParameteriv)
INIT_GLES_FUNC(glGetIntegerv)
INIT_GLES_FUNC(glGetProgramiv)
INIT_GLES_FUNC(glGetProgramInfoLog)
INIT_GLES_FUNC(glGetRenderbufferParameteriv)
INIT_GLES_FUNC(glGetShaderiv)
INIT_GLES_FUNC(glGetShaderInfoLog)
INIT_GLES_FUNC(glGetShaderPrecisionFormat)
INIT_GLES_FUNC(glGetShaderSource)
INIT_GLES_FUNC(glGetTexParameterfv)
INIT_GLES_FUNC(glGetTexParameteriv)
INIT_GLES_FUNC(glGetUniformfv)
INIT_GLES_FUNC(glGetUniformiv)
INIT_GLES_FUNC(glGetUniformLocation)
INIT_GLES_FUNC(glGetVertexAttribfv)
INIT_GLES_FUNC(glGetVertexAttribiv)
INIT_GLES_FUNC(glGetVertexAttribPointerv)
INIT_GLES_FUNC(glHint)
INIT_GLES_FUNC(glIsBuffer)
INIT_GLES_FUNC(glIsEnabled)
INIT_GLES_FUNC(glIsFramebuffer)
INIT_GLES_FUNC(glIsProgram)
INIT_GLES_FUNC(glIsRenderbuffer)
INIT_GLES_FUNC(glIsShader)
INIT_GLES_FUNC(glIsTexture)
INIT_GLES_FUNC(glLineWidth)
INIT_GLES_FUNC(glLinkProgram)
INIT_GLES_FUNC(glPixelStorei)
INIT_GLES_FUNC(glPolygonOffset)
INIT_GLES_FUNC(glReadPixels)
INIT_GLES_FUNC(glReleaseShaderCompiler)
INIT_GLES_FUNC(glRenderbufferStorage)
INIT_GLES_FUNC(glSampleCoverage)
INIT_GLES_FUNC(glScissor)
INIT_GLES_FUNC(glShaderBinary)
INIT_GLES_FUNC(glShaderSource)
INIT_GLES_FUNC(glStencilFunc)
INIT_GLES_FUNC(glStencilFuncSeparate)
INIT_GLES_FUNC(glStencilMask)
INIT_GLES_FUNC(glStencilMaskSeparate)
INIT_GLES_FUNC(glStencilOp)
INIT_GLES_FUNC(glStencilOpSeparate)
// INIT_GLES_FUNC(glTexImage1D)
INIT_GLES_FUNC(glTexImage2D)
// INIT_GLES_FUNC(glTexStorage1D)
INIT_GLES_FUNC(glTexParameterf)
INIT_GLES_FUNC(glTexParameterfv)
INIT_GLES_FUNC(glTexParameteri)
INIT_GLES_FUNC(glTexParameteriv)
INIT_GLES_FUNC(glTexSubImage2D)
INIT_GLES_FUNC(glUniform1f)
INIT_GLES_FUNC(glUniform1fv)
INIT_GLES_FUNC(glUniform1i)
INIT_GLES_FUNC(glUniform1iv)
INIT_GLES_FUNC(glUniform2f)
INIT_GLES_FUNC(glUniform2fv)
INIT_GLES_FUNC(glUniform2i)
INIT_GLES_FUNC(glUniform2iv)
INIT_GLES_FUNC(glUniform3f)
INIT_GLES_FUNC(glUniform3fv)
INIT_GLES_FUNC(glUniform3i)
INIT_GLES_FUNC(glUniform3iv)
INIT_GLES_FUNC(glUniform4f)
INIT_GLES_FUNC(glUniform4fv)
INIT_GLES_FUNC(glUniform4i)
INIT_GLES_FUNC(glUniform4iv)
INIT_GLES_FUNC(glUniformMatrix2fv)
INIT_GLES_FUNC(glUniformMatrix3fv)
INIT_GLES_FUNC(glUniformMatrix4fv)
INIT_GLES_FUNC(glUseProgram)
INIT_GLES_FUNC(glValidateProgram)
INIT_GLES_FUNC(glVertexAttrib1f)
INIT_GLES_FUNC(glVertexAttrib1fv)
INIT_GLES_FUNC(glVertexAttrib2f)
INIT_GLES_FUNC(glVertexAttrib2fv)
INIT_GLES_FUNC(glVertexAttrib3f)
INIT_GLES_FUNC(glVertexAttrib3fv)
INIT_GLES_FUNC(glVertexAttrib4f)
INIT_GLES_FUNC(glVertexAttrib4fv)
INIT_GLES_FUNC(glVertexAttribPointer)
INIT_GLES_FUNC(glViewport)
INIT_GLES_FUNC(glReadBuffer)
INIT_GLES_FUNC(glDrawRangeElements)
INIT_GLES_FUNC(glTexImage3D)
INIT_GLES_FUNC(glTexSubImage3D)
INIT_GLES_FUNC(glCopyTexSubImage3D)
INIT_GLES_FUNC(glCompressedTexImage3D)
INIT_GLES_FUNC(glCompressedTexSubImage3D)
INIT_GLES_FUNC(glGenQueries)
INIT_GLES_FUNC(glDeleteQueries)
INIT_GLES_FUNC(glIsQuery)
INIT_GLES_FUNC(glBeginQuery)
INIT_GLES_FUNC(glEndQuery)
INIT_GLES_FUNC(glGetQueryiv)
INIT_GLES_FUNC(glGetQueryObjectuiv)
INIT_GLES_FUNC(glUnmapBuffer)
INIT_GLES_FUNC(glGetBufferPointerv)
INIT_GLES_FUNC(glDrawBuffers)
INIT_GLES_FUNC(glUniformMatrix2x3fv)
INIT_GLES_FUNC(glUniformMatrix3x2fv)
INIT_GLES_FUNC(glUniformMatrix2x4fv)
INIT_GLES_FUNC(glUniformMatrix4x2fv)
INIT_GLES_FUNC(glUniformMatrix3x4fv)
INIT_GLES_FUNC(glUniformMatrix4x3fv)
INIT_GLES_FUNC(glBlitFramebuffer)
INIT_GLES_FUNC(glRenderbufferStorageMultisample)
INIT_GLES_FUNC(glFramebufferTextureLayer)
INIT_GLES_FUNC(glFlushMappedBufferRange)
INIT_GLES_FUNC(glBindVertexArray)
INIT_GLES_FUNC(glDeleteVertexArrays)
INIT_GLES_FUNC(glGenVertexArrays)
INIT_GLES_FUNC(glIsVertexArray)
INIT_GLES_FUNC(glGetIntegeri_v)
INIT_GLES_FUNC(glBeginTransformFeedback)
INIT_GLES_FUNC(glEndTransformFeedback)
INIT_GLES_FUNC(glBindBufferRange)
INIT_GLES_FUNC(glBindBufferBase)
INIT_GLES_FUNC(glTransformFeedbackVaryings)
INIT_GLES_FUNC(glGetTransformFeedbackVarying)
INIT_GLES_FUNC(glVertexAttribIPointer)
INIT_GLES_FUNC(glGetVertexAttribIiv)
INIT_GLES_FUNC(glGetVertexAttribIuiv)
INIT_GLES_FUNC(glVertexAttribI4i)
INIT_GLES_FUNC(glVertexAttribI4ui)
INIT_GLES_FUNC(glVertexAttribI4iv)
INIT_GLES_FUNC(glVertexAttribI4uiv)
INIT_GLES_FUNC(glGetUniformuiv)
INIT_GLES_FUNC(glGetFragDataLocation)
INIT_GLES_FUNC(glUniform1ui)
INIT_GLES_FUNC(glUniform2ui)
INIT_GLES_FUNC(glUniform3ui)
INIT_GLES_FUNC(glUniform4ui)
INIT_GLES_FUNC(glUniform1uiv)
INIT_GLES_FUNC(glUniform2uiv)
INIT_GLES_FUNC(glUniform3uiv)
INIT_GLES_FUNC(glUniform4uiv)
INIT_GLES_FUNC(glClearBufferiv)
INIT_GLES_FUNC(glClearBufferuiv)
INIT_GLES_FUNC(glClearBufferfv)
INIT_GLES_FUNC(glClearBufferfi)
INIT_GLES_FUNC(glCopyBufferSubData)
INIT_GLES_FUNC(glGetUniformIndices)
INIT_GLES_FUNC(glGetActiveUniformsiv)
INIT_GLES_FUNC(glGetUniformBlockIndex)
INIT_GLES_FUNC(glGetActiveUniformBlockiv)
INIT_GLES_FUNC(glGetActiveUniformBlockName)
INIT_GLES_FUNC(glUniformBlockBinding)
INIT_GLES_FUNC(glDrawArraysInstanced)
INIT_GLES_FUNC(glDrawElementsInstanced)
INIT_GLES_FUNC(glFenceSync)
INIT_GLES_FUNC(glIsSync)
INIT_GLES_FUNC(glDeleteSync)
INIT_GLES_FUNC(glClientWaitSync)
INIT_GLES_FUNC(glWaitSync)
INIT_GLES_FUNC(glGetInteger64v)
INIT_GLES_FUNC(glGetSynciv)
INIT_GLES_FUNC(glGetInteger64i_v)
INIT_GLES_FUNC(glGetBufferParameteri64v)
INIT_GLES_FUNC(glGenSamplers)
INIT_GLES_FUNC(glDeleteSamplers)
INIT_GLES_FUNC(glIsSampler)
INIT_GLES_FUNC(glBindSampler)
INIT_GLES_FUNC(glSamplerParameteri)
INIT_GLES_FUNC(glSamplerParameteriv)
INIT_GLES_FUNC(glSamplerParameterf)
INIT_GLES_FUNC(glSamplerParameterfv)
INIT_GLES_FUNC(glGetSamplerParameteriv)
INIT_GLES_FUNC(glGetSamplerParameterfv)
INIT_GLES_FUNC(glVertexAttribDivisor)
INIT_GLES_FUNC(glBindTransformFeedback)
INIT_GLES_FUNC(glDeleteTransformFeedbacks)
INIT_GLES_FUNC(glGenTransformFeedbacks)
INIT_GLES_FUNC(glIsTransformFeedback)
INIT_GLES_FUNC(glPauseTransformFeedback)
INIT_GLES_FUNC(glResumeTransformFeedback)
INIT_GLES_FUNC(glGetProgramBinary)
INIT_GLES_FUNC(glProgramBinary)
INIT_GLES_FUNC(glProgramParameteri)
INIT_GLES_FUNC(glInvalidateFramebuffer)
INIT_GLES_FUNC(glInvalidateSubFramebuffer)
INIT_GLES_FUNC(glTexStorage2D)
INIT_GLES_FUNC(glTexStorage3D)
INIT_GLES_FUNC(glGetInternalformativ)
INIT_GLES_FUNC(glDispatchCompute)
INIT_GLES_FUNC(glDispatchComputeIndirect)
INIT_GLES_FUNC(glDrawArraysIndirect)
INIT_GLES_FUNC(glDrawElementsIndirect)
INIT_GLES_FUNC(glFramebufferParameteri)
INIT_GLES_FUNC(glGetFramebufferParameteriv)
INIT_GLES_FUNC(glGetProgramInterfaceiv)
INIT_GLES_FUNC(glGetProgramResourceIndex)
INIT_GLES_FUNC(glGetProgramResourceName)
INIT_GLES_FUNC(glGetProgramResourceiv)
INIT_GLES_FUNC(glGetProgramResourceLocation)
INIT_GLES_FUNC(glUseProgramStages)
INIT_GLES_FUNC(glActiveShaderProgram)
INIT_GLES_FUNC(glCreateShaderProgramv)
INIT_GLES_FUNC(glBindProgramPipeline)
INIT_GLES_FUNC(glDeleteProgramPipelines)
INIT_GLES_FUNC(glGenProgramPipelines)
INIT_GLES_FUNC(glIsProgramPipeline)
INIT_GLES_FUNC(glGetProgramPipelineiv)
INIT_GLES_FUNC(glProgramUniform1i)
INIT_GLES_FUNC(glProgramUniform2i)
INIT_GLES_FUNC(glProgramUniform3i)
INIT_GLES_FUNC(glProgramUniform4i)
INIT_GLES_FUNC(glProgramUniform1ui)
INIT_GLES_FUNC(glProgramUniform2ui)
INIT_GLES_FUNC(glProgramUniform3ui)
INIT_GLES_FUNC(glProgramUniform4ui)
INIT_GLES_FUNC(glProgramUniform1f)
INIT_GLES_FUNC(glProgramUniform2f)
INIT_GLES_FUNC(glProgramUniform3f)
INIT_GLES_FUNC(glProgramUniform4f)
INIT_GLES_FUNC(glProgramUniform1iv)
INIT_GLES_FUNC(glProgramUniform2iv)
INIT_GLES_FUNC(glProgramUniform3iv)
INIT_GLES_FUNC(glProgramUniform4iv)
INIT_GLES_FUNC(glProgramUniform1uiv)
INIT_GLES_FUNC(glProgramUniform2uiv)
INIT_GLES_FUNC(glProgramUniform3uiv)
INIT_GLES_FUNC(glProgramUniform4uiv)
INIT_GLES_FUNC(glProgramUniform1fv)
INIT_GLES_FUNC(glProgramUniform2fv)
INIT_GLES_FUNC(glProgramUniform3fv)
INIT_GLES_FUNC(glProgramUniform4fv)
INIT_GLES_FUNC(glProgramUniformMatrix2fv)
INIT_GLES_FUNC(glProgramUniformMatrix3fv)
INIT_GLES_FUNC(glProgramUniformMatrix4fv)
INIT_GLES_FUNC(glProgramUniformMatrix2x3fv)
INIT_GLES_FUNC(glProgramUniformMatrix3x2fv)
INIT_GLES_FUNC(glProgramUniformMatrix2x4fv)
INIT_GLES_FUNC(glProgramUniformMatrix4x2fv)
INIT_GLES_FUNC(glProgramUniformMatrix3x4fv)
INIT_GLES_FUNC(glProgramUniformMatrix4x3fv)
INIT_GLES_FUNC(glValidateProgramPipeline)
INIT_GLES_FUNC(glGetProgramPipelineInfoLog)
INIT_GLES_FUNC(glBindImageTexture)
INIT_GLES_FUNC(glGetBooleani_v)
INIT_GLES_FUNC(glMemoryBarrier)
INIT_GLES_FUNC(glMemoryBarrierByRegion)
INIT_GLES_FUNC(glTexStorage2DMultisample)
INIT_GLES_FUNC(glGetMultisamplefv)
INIT_GLES_FUNC(glSampleMaski)
INIT_GLES_FUNC(glGetTexLevelParameteriv)
INIT_GLES_FUNC(glGetTexLevelParameterfv)
INIT_GLES_FUNC(glBindVertexBuffer)
INIT_GLES_FUNC(glVertexAttribFormat)
INIT_GLES_FUNC(glVertexAttribIFormat)
INIT_GLES_FUNC(glVertexAttribBinding)
INIT_GLES_FUNC(glVertexBindingDivisor)
INIT_GLES_FUNC(glBlendBarrier)
INIT_GLES_FUNC(glCopyImageSubData)
INIT_GLES_FUNC(glDebugMessageControl)
INIT_GLES_FUNC(glDebugMessageInsert)
INIT_GLES_FUNC(glDebugMessageCallback)
INIT_GLES_FUNC(glGetDebugMessageLog)
INIT_GLES_FUNC(glPushDebugGroup)
INIT_GLES_FUNC(glPopDebugGroup)
INIT_GLES_FUNC(glObjectLabel)
INIT_GLES_FUNC(glGetObjectLabel)
INIT_GLES_FUNC(glObjectPtrLabel)
INIT_GLES_FUNC(glGetObjectPtrLabel)
INIT_GLES_FUNC(glGetPointerv)
INIT_GLES_FUNC(glEnablei)
INIT_GLES_FUNC(glDisablei)
INIT_GLES_FUNC(glBlendEquationi)
INIT_GLES_FUNC(glBlendEquationSeparatei)
INIT_GLES_FUNC(glBlendFunci)
INIT_GLES_FUNC(glBlendFuncSeparatei)
INIT_GLES_FUNC(glColorMaski)
INIT_GLES_FUNC(glIsEnabledi)
INIT_GLES_FUNC(glDrawElementsBaseVertex)
INIT_GLES_FUNC(glDrawRangeElementsBaseVertex)
INIT_GLES_FUNC(glDrawElementsInstancedBaseVertex)
INIT_GLES_FUNC(glFramebufferTexture)
INIT_GLES_FUNC(glPrimitiveBoundingBox)
INIT_GLES_FUNC(glGetGraphicsResetStatus)
INIT_GLES_FUNC(glReadnPixels)
INIT_GLES_FUNC(glGetnUniformfv)
INIT_GLES_FUNC(glGetnUniformiv)
INIT_GLES_FUNC(glGetnUniformuiv)
INIT_GLES_FUNC(glMinSampleShading)
INIT_GLES_FUNC(glPatchParameteri)
INIT_GLES_FUNC(glTexParameterIiv)
INIT_GLES_FUNC(glTexParameterIuiv)
INIT_GLES_FUNC(glGetTexParameterIiv)
INIT_GLES_FUNC(glGetTexParameterIuiv)
INIT_GLES_FUNC(glSamplerParameterIiv)
INIT_GLES_FUNC(glSamplerParameterIuiv)
INIT_GLES_FUNC(glGetSamplerParameterIiv)
INIT_GLES_FUNC(glGetSamplerParameterIuiv)
INIT_GLES_FUNC(glTexBuffer)
INIT_GLES_FUNC(glTexBufferRange)
INIT_GLES_FUNC(glTexStorage3DMultisample)
INIT_GLES_FUNC(glMapBufferRange)
INIT_GLES_FUNC(glBufferStorageEXT)
INIT_GLES_FUNC(glGetQueryObjectivEXT)
INIT_GLES_FUNC(glGetQueryObjecti64vEXT)
INIT_GLES_FUNC(glBindFragDataLocationEXT)
INIT_GLES_FUNC(glMapBufferOES)
INIT_GLES_FUNC(glMultiDrawArraysIndirectEXT)
INIT_GLES_FUNC(glMultiDrawElementsIndirectEXT)
INIT_GLES_FUNC(glMultiDrawElementsBaseVertexEXT)
}
return true;
}
Bool AcquireEGLFunctions(MG_External::EGLFunctionsTable& funcs) {
static const Vector<String> EGLLibNames = {"libEGL.so"};
void* eglLib = OpenLib(EGLLibNames);
if (!eglLib) {
MGLOG_E("Failed to open libEGL.so");
return false;
}
#define INIT_EGL_FUNC(name) \
do { \
funcs.name = (MG_External::EGL::name##_PTR)ProcAddress(eglLib, #name); \
if (!funcs.name) { \
MGLOG_E("Failed to load EGL function: %s", #name); \
} \
} while (0);
{
INIT_EGL_FUNC(eglBindAPI)
INIT_EGL_FUNC(eglBindTexImage)
INIT_EGL_FUNC(eglChooseConfig)
INIT_EGL_FUNC(eglCopyBuffers)
INIT_EGL_FUNC(eglCreateContext)
INIT_EGL_FUNC(eglCreatePbufferFromClientBuffer)
INIT_EGL_FUNC(eglCreatePbufferSurface)
INIT_EGL_FUNC(eglCreatePixmapSurface)
INIT_EGL_FUNC(eglCreatePlatformPixmapSurface)
INIT_EGL_FUNC(eglCreatePlatformWindowSurface)
INIT_EGL_FUNC(eglCreateWindowSurface)
INIT_EGL_FUNC(eglDestroyContext)
INIT_EGL_FUNC(eglDestroySurface)
INIT_EGL_FUNC(eglGetConfigAttrib)
INIT_EGL_FUNC(eglGetConfigs)
INIT_EGL_FUNC(eglGetCurrentContext)
INIT_EGL_FUNC(eglGetCurrentDisplay)
INIT_EGL_FUNC(eglGetCurrentSurface)
INIT_EGL_FUNC(eglGetDisplay)
INIT_EGL_FUNC(eglGetPlatformDisplay)
INIT_EGL_FUNC(eglGetError)
INIT_EGL_FUNC(eglGetProcAddress)
INIT_EGL_FUNC(eglInitialize)
INIT_EGL_FUNC(eglMakeCurrent)
INIT_EGL_FUNC(eglQueryAPI)
INIT_EGL_FUNC(eglQueryContext)
INIT_EGL_FUNC(eglQueryString)
INIT_EGL_FUNC(eglQuerySurface)
INIT_EGL_FUNC(eglReleaseTexImage)
INIT_EGL_FUNC(eglReleaseThread)
INIT_EGL_FUNC(eglSurfaceAttrib)
INIT_EGL_FUNC(eglSwapBuffers)
INIT_EGL_FUNC(eglSwapBuffersWithDamageEXT)
INIT_EGL_FUNC(eglSwapInterval)
INIT_EGL_FUNC(eglTerminate)
INIT_EGL_FUNC(eglUnlockSurfaceKHR)
INIT_EGL_FUNC(eglWaitClient)
INIT_EGL_FUNC(eglWaitGL)
INIT_EGL_FUNC(eglWaitNative)
INIT_EGL_FUNC(eglCreateSync)
INIT_EGL_FUNC(eglDestroySync)
INIT_EGL_FUNC(eglClientWaitSync)
INIT_EGL_FUNC(eglGetSyncAttrib)
INIT_EGL_FUNC(eglCreateImage)
INIT_EGL_FUNC(eglDestroyImage)
INIT_EGL_FUNC(eglGetPlatformDisplay)
INIT_EGL_FUNC(eglWaitSync)
}
return true;
}
Bool FillInGLESCapabilities(MG_External::GLESCapabilities& caps, const MG_External::GLESFunctionsTable& glesFuncs) {
if (!glesFuncs.glGetString || !glesFuncs.glGetIntegerv) {
MGLOG_E("Required GLES functions are not loaded, cannot query capabilities");
return false;
}
auto* vendorName = glesFuncs.glGetString(GL_VENDOR);
MGLOG_I("GL_VENDOR: %s", vendorName);
auto* gpuName = glesFuncs.glGetString(GL_RENDERER);
MGLOG_I("GL_RENDERER: %s", gpuName);
glesFuncs.glGetIntegerv(GL_MAJOR_VERSION, &caps.GLESVersion.Major);
glesFuncs.glGetIntegerv(GL_MINOR_VERSION, &caps.GLESVersion.Minor);
caps.GLESVersionString = String((char*)glesFuncs.glGetString(GL_VERSION));
caps.GLESRendererString = String((char*)gpuName);
caps.GLESVendorString = String((char*)vendorName);
caps.GLESShadingLanguageVersionString = String((char*)glesFuncs.glGetString(GL_SHADING_LANGUAGE_VERSION));
GLint extCount = 0;
glesFuncs.glGetIntegerv(GL_NUM_EXTENSIONS, &extCount);
MGLOG_I("Detected %d OpenGL ES extensions:", extCount);
for (GLint i = 0; i < extCount; ++i) {
const char* extension = (const char*)glesFuncs.glGetStringi(GL_EXTENSIONS, i);
if (extension) {
MGLOG_I(" %s", extension);
if (std::strcmp(extension, "GL_EXT_buffer_storage") == 0) {
caps.SupportsPersistentMapping = true;
}
if (std::strcmp(extension, "GL_EXT_texture_norm16") == 0) {
caps.SupportsNorm16Texture = true;
}
}
}
MGLOG_I("OpenGL ES capabilities:");
glesFuncs.glGetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &caps.UniformBufferOffsetAlignment);
MGLOG_I(" GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT: %d", caps.UniformBufferOffsetAlignment);
return true;
}
} // namespace MobileGL::MG_Util::BackendLoader
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