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EGL: Add support for EGL_ANGLE_platform_angle

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This adds basic support for selecting the platform type (rendering
backend) when running on ANGLE.

Related to #1380.
This commit is contained in:
Camilla Löwy
2020-06-25 18:22:08 +02:00
parent e6a6a99813
commit 0dea8a4441
13 changed files with 224 additions and 16 deletions
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src/x11_window.c
+31 -3
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@@ -3048,12 +3048,40 @@ const char* _glfwPlatformGetClipboardString(void)
return getSelectionString(_glfw.x11.CLIPBOARD);
}
EGLenum _glfwPlatformGetEGLPlatform(void)
EGLenum _glfwPlatformGetEGLPlatform(EGLint** attribs)
{
if (_glfw.egl.ANGLE_platform_angle)
{
int type = 0;
if (_glfw.egl.ANGLE_platform_angle_opengl)
{
if (_glfw.hints.init.angleType == GLFW_ANGLE_PLATFORM_TYPE_OPENGL)
type = EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE;
}
if (_glfw.egl.ANGLE_platform_angle_vulkan)
{
if (_glfw.hints.init.angleType == GLFW_ANGLE_PLATFORM_TYPE_VULKAN)
type = EGL_PLATFORM_ANGLE_TYPE_VULKAN_ANGLE;
}
if (type)
{
*attribs = calloc(5, sizeof(EGLint));
(*attribs)[0] = EGL_PLATFORM_ANGLE_TYPE_ANGLE;
(*attribs)[1] = type;
(*attribs)[2] = EGL_PLATFORM_ANGLE_NATIVE_PLATFORM_TYPE_ANGLE;
(*attribs)[3] = EGL_PLATFORM_X11_EXT;
(*attribs)[4] = EGL_NONE;
return EGL_PLATFORM_ANGLE_ANGLE;
}
}
if (_glfw.egl.EXT_platform_base && _glfw.egl.EXT_platform_x11)
return EGL_PLATFORM_X11_EXT;
else
return 0;
return 0;
}
EGLNativeDisplayType _glfwPlatformGetEGLNativeDisplay(void)