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Merge pull request #13051 from akien-mga/check-gles3-support

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Check whether GL context supports the expected API
This commit is contained in:
Rémi Verschelde 2017-11-20 00:13:28 +01:00 committed by GitHub
parent 171c46120d c574be5566
commit 9fc0b23210
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 24 deletions
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41
drivers/gles3/rasterizer_gles3.cpp
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@ -141,30 +141,24 @@ void RasterizerGLES3::initialize() {
print_line("Using GLES3 video driver");
}
#ifdef GLEW_ENABLED
GLuint res = glewInit();
ERR_FAIL_COND(res != GLEW_OK);
if (OS::get_singleton()->is_stdout_verbose()) {
print_line(String("GLES2: Using GLEW ") + (const char *)glewGetString(GLEW_VERSION));
}
// Check for GL 2.1 compatibility, if not bail out
if (!glewIsSupported("GL_VERSION_3_0")) {
ERR_PRINT("Your system's graphic drivers seem not to support OpenGL 3.0+ / GLES 3.0, sorry :(\n"
"Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault.");
OS::get_singleton()->alert("Your system's graphic drivers seem not to support OpenGL 3.0+ / GLES 3.0, sorry :(\n"
"Godot Engine will self-destruct as soon as you acknowledge this error message.",
"Fatal error: Insufficient OpenGL / GLES drivers");
// TODO: If it's even possible, we should stop the execution without segfault and memory leaks :)
}
#endif
#ifdef GLAD_ENABLED
if (!gladLoadGL()) {
ERR_PRINT("Error initializing GLAD");
}
// GLVersion seems to be used for both GL and GL ES, so we need different version checks for them
#ifdef OPENGL_ENABLED // OpenGL 3.3 Core Profile required
if (GLVersion.major < 3 && GLVersion.minor < 3) {
#else // OpenGL ES 3.0
if (GLVersion.major < 3) {
#endif
ERR_PRINT("Your system's graphic drivers seem not to support OpenGL 3.3 / OpenGL ES 3.0, sorry :(\n"
"Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault.");
OS::get_singleton()->alert("Your system's graphic drivers seem not to support OpenGL 3.3 / OpenGL ES 3.0, sorry :(\n"
"Godot Engine will self-destruct as soon as you acknowledge this error message.",
"Fatal error: Insufficient OpenGL / GLES driver support");
}
#ifdef __APPLE__
// FIXME glDebugMessageCallbackARB does not seem to work on Mac OS X and opengl 3, this may be an issue with our opengl canvas..
#else
@ -175,21 +169,20 @@ void RasterizerGLES3::initialize() {
}
#endif
#endif
#endif // GLAD_ENABLED
/* glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_ERROR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
/* // For debugging
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_ERROR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_PORTABILITY_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_PERFORMANCE_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_OTHER_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
glDebugMessageInsertARB(
GL_DEBUG_SOURCE_API_ARB,
GL_DEBUG_TYPE_OTHER_ARB, 1,
GL_DEBUG_SEVERITY_HIGH_ARB,5, "hello");
*/
*/
const GLubyte *renderer = glGetString(GL_RENDERER);
print_line("OpenGL ES 3.0 Renderer: " + String((const char *)renderer));