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Simplified fallback pbuffer surface path.

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This commit is contained in:
Doug Binks 2020-07-15 19:40:00 +01:00
parent e55a552eee
commit 2f2e7f041a
1 changed files with 14 additions and 10 deletions
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24
src/egl_context.c
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@ -849,18 +849,15 @@ _GLFWusercontext* _glfwCreateUserContextEGL(_GLFWwindow* window)
{
_GLFWusercontext* context;
_GLFWctxconfig ctxconfig;
const EGLint auxConfigAttribs[] =
EGLint dummyConfigAttribs[] =
{
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_BLUE_SIZE, 8, EGL_GREEN_SIZE, 8, EGL_RED_SIZE, 8, EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 0, EGL_STENCIL_SIZE, 0,
EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1,
EGL_NONE
};
EGLint dummySurfaceAttribs[] =
{
EGL_WIDTH, 1, EGL_HEIGHT, 1,
EGL_TEXTURE_TARGET, EGL_NO_TEXTURE,
EGL_TEXTURE_FORMAT, EGL_NO_TEXTURE,
EGL_NONE
};
EGLint dummySurfaceNumConfigs;
@ -883,14 +880,21 @@ _GLFWusercontext* _glfwCreateUserContextEGL(_GLFWwindow* window)
context->egl.surface = EGL_NO_SURFACE;
else
{
// create dummy surface
eglChooseConfig(_glfw.egl.display, auxConfigAttribs, &dummySurfaceConfig, 1, &dummySurfaceNumConfigs);
context->egl.surface = eglCreatePbufferSurface(_glfw.egl.display, dummySurfaceConfig, dummySurfaceAttribs);
if (!context->egl.surface)
eglChooseConfig(_glfw.egl.display, dummyConfigAttribs, &dummySurfaceConfig, 1, &dummySurfaceNumConfigs);
if( !dummySurfaceNumConfigs)
{
eglDestroyContext(_glfw.egl.display, context->egl.handle);
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to create surface for user context and EGL_KHR_surfaceless_context not supported");
"EGL: Failed to find surface config for user context: %s", getEGLErrorString(eglGetError()));
free(context);
return NULL;
}
context->egl.surface = eglCreatePbufferSurface(_glfw.egl.display, dummySurfaceConfig, dummySurfaceAttribs);
if (context->egl.surface == EGL_NO_SURFACE)
{
eglDestroyContext(_glfw.egl.display, context->egl.handle);
_glfwInputError(GLFW_PLATFORM_ERROR,
"EGL: Failed to create surface for user context: %s for %s", getEGLErrorString(eglGetError()), eglQueryString(_glfw.egl.display,0x3054));
free(context);
return NULL;
}