Platform3DObject Extensions3DOpenGL::createVertexArrayOES()
{
m_context->makeContextCurrent();
GLuint array = 0;
#if (PLATFORM(GTK) || PLATFORM(EFL)) || PLATFORM(WIN)
if (isVertexArrayObjectSupported())
glGenVertexArrays(1, &array);
#elif PLATFORM(QT)
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
if (isVertexArrayObjectSupported())
m_vaoFunctions->glGenVertexArrays(1, &array);
#endif
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
glGenVertexArraysAPPLE(1, &array);
#endif
return array;
}
void Extensions3DOpenGL::bindVertexArrayOES(Platform3DObject array)
{
m_context->makeContextCurrent();
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN))
if (isVertexArrayObjectSupported())
glBindVertexArray(array);
#elif PLATFORM(QT)
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
if (isVertexArrayObjectSupported())
m_vaoFunctions->glBindVertexArray(array);
#endif
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
glBindVertexArrayAPPLE(array);
#else
UNUSED_PARAM(array);
#endif
}
void Extensions3DOpenGL::deleteVertexArrayOES(Platform3DObject array)
{
if (!array)
return;
m_context->makeContextCurrent();
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN))
if (isVertexArrayObjectSupported())
glDeleteVertexArrays(1, &array);
#elif PLATFORM(QT)
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
if (isVertexArrayObjectSupported())
m_vaoFunctions->glDeleteVertexArrays(1, &array);
#endif
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
glDeleteVertexArraysAPPLE(1, &array);
#endif
}
Platform3DObject Extensions3DOpenGL::createVertexArrayOES()
{
m_context->makeContextCurrent();
GLuint array = 0;
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN) || PLATFORM(NIX) || PLATFORM(JS))
if (isVertexArrayObjectSupported())
glGenVertexArrays(1, &array);
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
glGenVertexArraysAPPLE(1, &array);
#endif
return array;
}
void Extensions3DOpenGL::bindVertexArrayOES(Platform3DObject array)
{
m_context->makeContextCurrent();
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN) || PLATFORM(IOS))
if (isVertexArrayObjectSupported())
glBindVertexArray(array);
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
glBindVertexArrayAPPLE(array);
#else
UNUSED_PARAM(array);
#endif
}
GC3Dboolean Extensions3DOpenGL::isVertexArrayOES(Platform3DObject array)
{
if (!array)
return GL_FALSE;
m_context->makeContextCurrent();
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN))
if (isVertexArrayObjectSupported())
return glIsVertexArray(array);
#elif PLATFORM(QT)
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
if (isVertexArrayObjectSupported())
return m_vaoFunctions->glIsVertexArray(array);
#endif
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
return glIsVertexArrayAPPLE(array);
#endif
m_context->synthesizeGLError(GL_INVALID_OPERATION);
return GL_FALSE;
}
void Extensions3DOpenGL::deleteVertexArrayOES(Platform3DObject array)
{
if (!array)
return;
m_context->makeContextCurrent();
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN) || PLATFORM(NIX) || PLATFORM(JS))
if (isVertexArrayObjectSupported())
glDeleteVertexArrays(1, &array);
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
glDeleteVertexArraysAPPLE(1, &array);
#endif
}
GC3Dboolean Extensions3DOpenGL::isVertexArrayOES(Platform3DObject array)
{
if (!array)
return GL_FALSE;
m_context->makeContextCurrent();
#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN) || PLATFORM(NIX) || PLATFORM(JS))
if (isVertexArrayObjectSupported())
return glIsVertexArray(array);
#elif defined(GL_APPLE_vertex_array_object) && GL_APPLE_vertex_array_object
return glIsVertexArrayAPPLE(array);
#endif
return GL_FALSE;
}
bool Extensions3DOpenGL::supportsExtension(const String& name)
{
// GL_ANGLE_framebuffer_blit and GL_ANGLE_framebuffer_multisample are "fake". They are implemented using other
// extensions. In particular GL_EXT_framebuffer_blit and GL_EXT_framebuffer_multisample
#if PLATFORM(QT)
if (name == "GL_ANGLE_framebuffer_blit" || name == "GL_EXT_framebuffer_blit")
return m_context->m_functions->hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit);
if (name == "GL_ANGLE_framebuffer_multisample" || name == "GL_EXT_framebuffer_multisample")
return m_context->m_functions->hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample);
if (name == "GL_OES_texture_npot" || name == "GL_ARB_texture_non_power_of_two")
return m_context->m_functions->hasOpenGLFeature(QOpenGLFunctions::NPOTTextures);
if (name == "GL_OES_packed_depth_stencil" || name == "GL_EXT_packed_depth_stencil")
return m_context->m_functions->hasOpenGLExtension(QOpenGLExtensions::PackedDepthStencil);
// FIXME: We don't have the robustness methods from Extensions3DOpenGLES.
if (name == "GL_EXT_robustness")
return false;
#else
if (name == "GL_ANGLE_framebuffer_blit")
return m_availableExtensions.contains("GL_EXT_framebuffer_blit");
if (name == "GL_ANGLE_framebuffer_multisample")
return m_availableExtensions.contains("GL_EXT_framebuffer_multisample");
#endif
// GL_OES_vertex_array_object
if (name == "GL_OES_vertex_array_object") {
#if (PLATFORM(GTK) || PLATFORM(EFL))
return m_availableExtensions.contains("GL_ARB_vertex_array_object");
#elif PLATFORM(QT)
return isVertexArrayObjectSupported();
#else
return m_availableExtensions.contains("GL_APPLE_vertex_array_object");
#endif
}
if (!m_context->isGLES2Compliant()) {
// Desktop GL always supports GL_OES_rgb8_rgba8.
if (name == "GL_OES_rgb8_rgba8")
return true;
// If GL_ARB_texture_float is available then we report GL_OES_texture_float and
// GL_OES_texture_half_float as available.
if (name == "GL_OES_texture_float" || name == "GL_OES_texture_half_float")
return m_availableExtensions.contains("GL_ARB_texture_float");
// Desktop GL always supports the standard derivative functions
if (name == "GL_OES_standard_derivatives")
return true;
// Desktop GL always supports UNSIGNED_INT indices
if (name == "GL_OES_element_index_uint")
return true;
}
if (name == "GL_EXT_draw_buffers") {
#if PLATFORM(MAC)
return m_availableExtensions.contains("GL_ARB_draw_buffers");
#else
// FIXME: implement support for other platforms.
return false;
#endif
}
return m_availableExtensions.contains(name);
}
