QEGLPbuffer::~QEGLPbuffer()
{
eglDestroySurface(m_display, m_pbuffer);
}
int
main(int argc, char *argv[])
{
const int winWidth = 800, winHeight = 600;
Display *x_dpy;
Window win;
EGLSurface egl_surf;
EGLContext egl_ctx;
EGLDisplay egl_dpy;
char *dpyName = NULL;
GLboolean printInfo = GL_FALSE;
EGLint egl_major, egl_minor;
const char *s;
if (!InitTest(argc, argv)) {
return -1;
}
x_dpy = XOpenDisplay(dpyName);
if (!x_dpy) {
printf("Error: couldn't open display %s\n",
dpyName ? dpyName : getenv("DISPLAY"));
return -1;
}
egl_dpy = eglGetDisplay(x_dpy);
if (!egl_dpy) {
printf("Error: eglGetDisplay() failed\n");
return -1;
}
if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
printf("Error: eglInitialize() failed\n");
return -1;
}
s = eglQueryString(egl_dpy, EGL_VERSION);
printf("EGL_VERSION = %s\n", s);
s = eglQueryString(egl_dpy, EGL_VENDOR);
printf("EGL_VENDOR = %s\n", s);
s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
printf("EGL_EXTENSIONS = %s\n", s);
s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
printf("EGL_CLIENT_APIS = %s\n", s);
make_x_window(x_dpy, egl_dpy,
"OpenGL ES 2.x tri", 0, 0, winWidth, winHeight,
&win, &egl_ctx, &egl_surf);
XMapWindow(x_dpy, win);
if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
printf("Error: eglMakeCurrent() failed\n");
return -1;
}
if (printInfo) {
printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
}
InitRendering();
LoadDefaultData();
// render once
testHelper->app()->resizeView(winWidth, winHeight);
testHelper->app()->resetView();
testHelper->app()->render();
eglSwapBuffers(egl_dpy, egl_surf);
// begin the event loop if not in testing mode
bool testPassed = true;
if (!testHelper->isTesting()) {
event_loop(x_dpy, win, egl_dpy, egl_surf);
}
else {
testPassed = DoTesting();
}
FinalizeTest();
eglDestroyContext(egl_dpy, egl_ctx);
eglDestroySurface(egl_dpy, egl_surf);
eglTerminate(egl_dpy);
XDestroyWindow(x_dpy, win);
XCloseDisplay(x_dpy);
return testPassed ? 0 : 1;
}
void test_triangle_smoothed(GLenum mode)
{
GLint width, height;
GLfloat vVertices[] = {
0.0f, 0.5f, 0.0f,
-0.5f, -0.5f, 0.0f,
0.5f, -0.5f, 0.0f };
GLfloat vColors[] = {
1.0f, 0.0f, 0.0f, 1.0f,
0.0f, 1.0f, 0.0f, 1.0f,
0.0f, 0.0f, 1.0f, 1.0f};
EGLSurface surface;
RD_START("triangle-smoothed", "");
display = get_display();
/* get an appropriate EGL frame buffer configuration */
ECHK(eglChooseConfig(display, config_attribute_list, &config, 1, &num_config));
DEBUG_MSG("num_config: %d", num_config);
/* create an EGL rendering context */
ECHK(context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attribute_list));
surface = make_window(display, config, 400, 240);
ECHK(eglQuerySurface(display, surface, EGL_WIDTH, &width));
ECHK(eglQuerySurface(display, surface, EGL_HEIGHT, &height));
DEBUG_MSG("Buffer: %dx%d", width, height);
/* connect the context to the surface */
ECHK(eglMakeCurrent(display, surface, surface, context));
program = get_program(vertex_shader_source, fragment_shader_source);
GCHK(glBindAttribLocation(program, 0, "aPosition"));
GCHK(glBindAttribLocation(program, 1, "aColor"));
link_program(program);
GCHK(glViewport(0, 0, width, height));
GCHK(glFrontFace(mode));
/* clear the color buffer */
GCHK(glClearColor(0.0, 0.0, 0.0, 1.0));
GCHK(glClear(GL_COLOR_BUFFER_BIT));
GCHK(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vVertices));
GCHK(glEnableVertexAttribArray(0));
GCHK(glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 0, vColors));
GCHK(glEnableVertexAttribArray(1));
GCHK(glDrawArrays(GL_TRIANGLES, 0, 3));
ECHK(eglSwapBuffers(display, surface));
GCHK(glFlush());
ECHK(eglDestroySurface(display, surface));
ECHK(eglTerminate(display));
RD_END();
}
void EGLPlatformContext::destroyTemporaryOffscreenSurface(EGLSurface surface)
{
eglDestroySurface(m_eglDisplay, surface);
}
~SwapChainGL()
{
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(m_display, m_context);
eglDestroySurface(m_display, m_surface);
}
cairo_device_t *
cairo_egl_device_create (EGLDisplay dpy, EGLContext egl)
{
cairo_egl_context_t *ctx;
cairo_status_t status;
int attribs[] = {
EGL_WIDTH, 1,
EGL_HEIGHT, 1,
EGL_NONE,
};
EGLConfig config;
EGLint numConfigs;
ctx = calloc (1, sizeof (cairo_egl_context_t));
if (unlikely (ctx == NULL))
return _cairo_gl_context_create_in_error (CAIRO_STATUS_NO_MEMORY);
ctx->display = dpy;
ctx->context = egl;
ctx->base.acquire = _egl_acquire;
ctx->base.release = _egl_release;
ctx->base.make_current = _egl_make_current;
ctx->base.swap_buffers = _egl_swap_buffers;
ctx->base.destroy = _egl_destroy;
/* We are about the change the current state of EGL, so we should
* query the pre-existing surface now instead of later. */
_egl_query_current_state (ctx);
if (!_egl_make_current_surfaceless (ctx)) {
/* Fall back to dummy surface, meh. */
EGLint config_attribs[] = {
EGL_CONFIG_ID, 0,
EGL_NONE
};
/*
* In order to be able to make an egl context current when using a
* pbuffer surface, that surface must have been created with a config
* that is compatible with the context config. For Mesa, this means
* that the configs must be the same.
*/
eglQueryContext (dpy, egl, EGL_CONFIG_ID, &config_attribs[1]);
eglChooseConfig (dpy, config_attribs, &config, 1, &numConfigs);
ctx->dummy_surface = eglCreatePbufferSurface (dpy, config, attribs);
if (ctx->dummy_surface == NULL) {
free (ctx);
return _cairo_gl_context_create_in_error (CAIRO_STATUS_NO_MEMORY);
}
if (!eglMakeCurrent (dpy, ctx->dummy_surface, ctx->dummy_surface, egl)) {
free (ctx);
return _cairo_gl_context_create_in_error (CAIRO_STATUS_NO_MEMORY);
}
}
status = _cairo_gl_dispatch_init (&ctx->base.dispatch, eglGetProcAddress);
if (unlikely (status)) {
free (ctx);
return _cairo_gl_context_create_in_error (status);
}
status = _cairo_gl_context_init (&ctx->base);
if (unlikely (status)) {
if (ctx->dummy_surface != EGL_NO_SURFACE)
eglDestroySurface (dpy, ctx->dummy_surface);
free (ctx);
return _cairo_gl_context_create_in_error (status);
}
eglMakeCurrent (dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
return &ctx->base.base;
}