mirror of
https://github.com/leozide/leocad
synced 2024-12-26 21:58:44 +01:00
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#include "lc_global.h"
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#include "lc_glextensions.h"
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#include <QOpenGLFunctions_3_2_Core>
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bool gSupportsShaderObjects;
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bool gSupportsVertexBufferObject;
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bool gSupportsFramebufferObject;
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bool gSupportsBlendFuncSeparate;
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bool gSupportsAnisotropic;
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GLfloat gMaxAnisotropy;
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#if !defined(QT_NO_DEBUG) && defined(GL_ARB_debug_output)
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static void APIENTRY lcGLDebugCallback(GLenum Source, GLenum Type, GLuint Id, GLenum Severity, GLsizei Length, const GLchar* Message, GLvoid* UserParam)
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{
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Q_UNUSED(Source);
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Q_UNUSED(Type);
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Q_UNUSED(Id);
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Q_UNUSED(Severity);
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Q_UNUSED(Length);
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Q_UNUSED(UserParam);
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qDebug() << Message;
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}
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#endif
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void lcInitializeGLExtensions(const QOpenGLContext* Context)
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{
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const QOpenGLFunctions* Functions = Context->functions();
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#if !defined(QT_NO_DEBUG) && defined(GL_ARB_debug_output)
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if (Context->hasExtension("GL_KHR_debug"))
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{
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PFNGLDEBUGMESSAGECALLBACKARBPROC DebugMessageCallback = (PFNGLDEBUGMESSAGECALLBACKARBPROC)Context->getProcAddress("glDebugMessageCallback");
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#ifndef GL_DEBUG_OUTPUT
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#define GL_DEBUG_OUTPUT 0x92E0
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#endif
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if (DebugMessageCallback)
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{
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DebugMessageCallback((GLDEBUGPROCARB)&lcGLDebugCallback, nullptr);
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glEnable(GL_DEBUG_OUTPUT);
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glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
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}
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}
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#endif
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if (Context->hasExtension("GL_EXT_texture_filter_anisotropic"))
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{
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glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gMaxAnisotropy);
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gSupportsAnisotropic = true;
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}
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gSupportsVertexBufferObject = Functions->hasOpenGLFeature(QOpenGLFunctions::Buffers);
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gSupportsFramebufferObject = Functions->hasOpenGLFeature(QOpenGLFunctions::Framebuffers);
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gSupportsBlendFuncSeparate = Functions->hasOpenGLFeature(QOpenGLFunctions::BlendFuncSeparate);
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gSupportsShaderObjects = Functions->hasOpenGLFeature(QOpenGLFunctions::Shaders);
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}
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