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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/egl_context.c
+18 -3
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@@ -303,6 +303,7 @@ static void destroyContextEGL(_GLFWwindow* window)
GLFWbool _glfwInitEGL(void)
{
int i;
EGLint* attribs = NULL;
const char* extensions;
const char* sonames[] =
{
@@ -408,6 +409,16 @@ GLFWbool _glfwInitEGL(void)
_glfwStringInExtensionString("EGL_EXT_platform_x11", extensions);
_glfw.egl.EXT_platform_wayland =
_glfwStringInExtensionString("EGL_EXT_platform_wayland", extensions);
_glfw.egl.ANGLE_platform_angle =
_glfwStringInExtensionString("EGL_ANGLE_platform_angle", extensions);
_glfw.egl.ANGLE_platform_angle_opengl =
_glfwStringInExtensionString("EGL_ANGLE_platform_angle_opengl", extensions);
_glfw.egl.ANGLE_platform_angle_d3d =
_glfwStringInExtensionString("EGL_ANGLE_platform_angle_d3d", extensions);
_glfw.egl.ANGLE_platform_angle_vulkan =
_glfwStringInExtensionString("EGL_ANGLE_platform_angle_vulkan", extensions);
_glfw.egl.ANGLE_platform_angle_metal =
_glfwStringInExtensionString("EGL_ANGLE_platform_angle_metal", extensions);
}
if (_glfw.egl.EXT_platform_base)
@@ -418,17 +429,19 @@ GLFWbool _glfwInitEGL(void)
eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
}
_glfw.egl.platform = _glfwPlatformGetEGLPlatform();
_glfw.egl.platform = _glfwPlatformGetEGLPlatform(&attribs);
if (_glfw.egl.platform)
{
_glfw.egl.display =
eglGetPlatformDisplayEXT(_glfw.egl.platform,
_glfwPlatformGetEGLNativeDisplay(),
NULL);
attribs);
}
else
_glfw.egl.display = eglGetDisplay(_glfwPlatformGetEGLNativeDisplay());
free(attribs);
if (_glfw.egl.display == EGL_NO_DISPLAY)
{
_glfwInputError(GLFW_API_UNAVAILABLE,
@@ -633,7 +646,9 @@ GLFWbool _glfwCreateContextEGL(_GLFWwindow* window,
setAttrib(EGL_NONE, EGL_NONE);
native = _glfwPlatformGetEGLNativeWindow(window);
if (_glfw.egl.platform)
// HACK: ANGLE does not implement eglCreatePlatformWindowSurfaceEXT
// despite reporting EGL_EXT_platform_base
if (_glfw.egl.platform && _glfw.egl.platform != EGL_PLATFORM_ANGLE_ANGLE)
{
window->context.egl.surface =
eglCreatePlatformWindowSurfaceEXT(_glfw.egl.display, config, native, attribs);