59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include "OpenGL.hpp"
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#include <glbinding/Binding.h>
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#include <glbinding/ContextInfo.h>
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#include <glbinding/Meta.h>
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#include <glbinding/glbinding-version.h>
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#include <glbinding/Version.h>
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namespace Diggler {
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namespace Render {
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namespace gl {
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void OpenGL::init() {
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glbinding::Binding::initialize(false);
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probeExtensions();
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}
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std::set<OpenGL::Version> OpenGL::loaderSupportedGLVersions() {
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std::set<Version> versions;
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for (const auto& version : glbinding::Meta::versions()) {
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versions.emplace(version.majorVersion(), version.minorVersion(), false, false, false);
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if (version.majorVersion() >= 3) {
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versions.emplace(version.majorVersion(), version.minorVersion(), false, false, true);
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versions.emplace(version.majorVersion(), version.minorVersion(), false, true, false);
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versions.emplace(version.majorVersion(), version.minorVersion(), false, true, true);
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}
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}
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return versions;
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}
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OpenGL::Version OpenGL::version() {
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auto ver = glbinding::ContextInfo::version();
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const int major = ver.majorVersion(), minor = ver.minorVersion();
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GLuint contextFlags = 0;
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if (major >= 3) {
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glGetIntegerv(GL_CONTEXT_FLAGS, reinterpret_cast<GLint*>(&contextFlags));
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}
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GLuint profileFlags = 0;
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if (major >= 3 and (major >= 4 or minor >= 2)) {
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glGetIntegerv(GL_CONTEXT_PROFILE_MASK, reinterpret_cast<GLint*>(&profileFlags));
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}
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return { major, minor, false,
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bool(profileFlags & GLuint(GL_CONTEXT_CORE_PROFILE_BIT)),
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bool(contextFlags & GLuint(GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT))
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};
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}
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const char* OpenGL::loaderName() {
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return "glbinding";
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}
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const char* OpenGL::loaderVersion() {
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return GLBINDING_VERSION;
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}
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}
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}
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}
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