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#include "gpu_tests.h"
#include "opengl/utils.h"
#include <libplacebo/opengl.h>
static void opengl_interop_tests(pl_gpu gpu)
{
pl_fmt fmt = pl_find_fmt(gpu, PL_FMT_UNORM, 1, 0, 0,
PL_FMT_CAP_RENDERABLE | PL_FMT_CAP_LINEAR);
if (!fmt)
return;
pl_tex export = pl_tex_create(gpu, pl_tex_params(
.w = 32,
.h = 32,
.format = fmt,
.sampleable = true,
.renderable = true,
.blit_dst = fmt->caps & PL_FMT_CAP_BLITTABLE,
));
REQUIRE(export);
struct pl_opengl_wrap_params wrap = {
.width = export->params.w,
.height = export->params.h,
.depth = export->params.d,
};
wrap.texture = pl_opengl_unwrap(gpu, export, &wrap.target, &wrap.iformat, NULL);
REQUIRE(wrap.texture);
pl_tex import = pl_opengl_wrap(gpu, &wrap);
REQUIRE(import);
REQUIRE(import->params.renderable);
REQUIRE_CMP(import->params.blit_dst, ==, export->params.blit_dst, "d");
pl_tex_destroy(gpu, &import);
pl_tex_destroy(gpu, &export);
}
#define PBUFFER_WIDTH 640
#define PBUFFER_HEIGHT 480
struct swapchain_priv {
EGLDisplay display;
EGLSurface surface;
};
static void swap_buffers(void *priv)
{
struct swapchain_priv *p = priv;
eglSwapBuffers(p->display, p->surface);
}
static void opengl_swapchain_tests(pl_opengl gl,
EGLDisplay display, EGLSurface surface)
{
if (surface == EGL_NO_SURFACE)
return;
printf("testing opengl swapchain\n");
pl_gpu gpu = gl->gpu;
pl_swapchain sw;
sw = pl_opengl_create_swapchain(gl, pl_opengl_swapchain_params(
.swap_buffers = swap_buffers,
.priv = &(struct swapchain_priv) { display, surface },
));
REQUIRE(sw);
int w = PBUFFER_WIDTH, h = PBUFFER_HEIGHT;
REQUIRE(pl_swapchain_resize(sw, &w, &h));
for (int i = 0; i < 10; i++) {
struct pl_swapchain_frame frame;
REQUIRE(pl_swapchain_start_frame(sw, &frame));
if (frame.fbo->params.blit_dst)
pl_tex_clear(gpu, frame.fbo, (float[4]){0});
// TODO: test this with an actual pl_renderer instance
struct pl_frame target;
pl_frame_from_swapchain(&target, &frame);
REQUIRE(pl_swapchain_submit_frame(sw));
pl_swapchain_swap_buffers(sw);
}
pl_swapchain_destroy(&sw);
}
int main()
{
if (!gladLoaderLoadEGL(EGL_NO_DISPLAY))
return SKIP;
const char *extstr = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
if (!extstr || !strstr(extstr, "EGL_MESA_platform_surfaceless"))
return SKIP;
// Create the OpenGL context
EGLDisplay dpy = eglGetPlatformDisplayEXT(EGL_PLATFORM_SURFACELESS_MESA,
(void *) EGL_DEFAULT_DISPLAY, NULL);
if (dpy == EGL_NO_DISPLAY)
return SKIP;
EGLint major, minor;
if (!eglInitialize(dpy, &major, &minor))
return SKIP;
if (!gladLoaderLoadEGL(dpy))
return SKIP;
printf("Initialized EGL v%d.%d\n", major, minor);
int egl_ver = major * 10 + minor;
struct {
EGLenum api;
EGLenum render;
int major, minor;
int glsl_ver;
EGLenum profile;
} egl_vers[] = {
{ EGL_OPENGL_API, EGL_OPENGL_BIT, 4, 6, 460, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT },
{ EGL_OPENGL_API, EGL_OPENGL_BIT, 3, 3, 330, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT },
{ EGL_OPENGL_API, EGL_OPENGL_BIT, 3, 0, 130, EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT, },
{ EGL_OPENGL_ES_API, EGL_OPENGL_ES3_BIT, 3, 0, 300, },
};
struct pl_glsl_version last_glsl = {0};
struct pl_gpu_limits last_limits = {0};
pl_log log = pl_test_logger();
for (int i = 0; i < PL_ARRAY_SIZE(egl_vers); i++) {
const int cfg_attribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, egl_vers[i].render,
EGL_NONE
};
EGLConfig config = 0;
EGLint num_configs = 0;
bool ok = eglChooseConfig(dpy, cfg_attribs, &config, 1, &num_configs);
if (!ok || !num_configs)
goto error;
if (!eglBindAPI(egl_vers[i].api))
goto error;
EGLContext egl;
if (egl_vers[i].api == EGL_OPENGL_ES_API) {
// OpenGL ES
const EGLint egl_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, egl_vers[i].major,
(egl_ver >= 15) ? EGL_CONTEXT_OPENGL_DEBUG : EGL_NONE, EGL_TRUE,
EGL_NONE
};
printf("Attempting creation of OpenGL ES v%d context\n", egl_vers[i].major);
egl = eglCreateContext(dpy, config, EGL_NO_CONTEXT, egl_attribs);
} else {
// Desktop OpenGL
const int egl_attribs[] = {
EGL_CONTEXT_MAJOR_VERSION, egl_vers[i].major,
EGL_CONTEXT_MINOR_VERSION, egl_vers[i].minor,
EGL_CONTEXT_OPENGL_PROFILE_MASK, egl_vers[i].profile,
(egl_ver >= 15) ? EGL_CONTEXT_OPENGL_DEBUG : EGL_NONE, EGL_TRUE,
EGL_NONE
};
printf("Attempting creation of Desktop OpenGL v%d.%d context\n",
egl_vers[i].major, egl_vers[i].minor);
egl = eglCreateContext(dpy, config, EGL_NO_CONTEXT, egl_attribs);
}
if (!egl)
goto error;
const EGLint pbuffer_attribs[] = {
EGL_WIDTH, PBUFFER_WIDTH,
EGL_HEIGHT, PBUFFER_HEIGHT,
EGL_NONE
};
EGLSurface surf = eglCreatePbufferSurface(dpy, config, pbuffer_attribs);
if (!eglMakeCurrent(dpy, surf, surf, egl))
goto error;
pl_opengl gl = pl_opengl_create(log, pl_opengl_params(
.get_proc_addr = (pl_voidfunc_t (*)(const char *)) eglGetProcAddress,
.max_glsl_version = egl_vers[i].glsl_ver,
.debug = true,
.egl_display = dpy,
.egl_context = egl,
#ifdef CI_ALLOW_SW
.allow_software = true,
#endif
));
if (!gl)
goto next;
// Skip repeat tests
pl_gpu gpu = gl->gpu;
if (memcmp(&last_glsl, &gpu->glsl, sizeof(last_glsl)) == 0 &&
memcmp(&last_limits, &gpu->limits, sizeof(last_limits)) == 0)
{
printf("Skipping tests due to duplicate capabilities/version\n");
goto next;
}
#ifdef CI_MAXGL
if (last_glsl.version && last_glsl.gles == gpu->glsl.gles)
goto next;
#endif
last_glsl = gpu->glsl;
last_limits = gpu->limits;
gpu_shader_tests(gpu);
gpu_interop_tests(gpu);
opengl_interop_tests(gpu);
opengl_swapchain_tests(gl, dpy, surf);
// Reduce log spam after first successful test
pl_log_level_update(log, PL_LOG_INFO);
next:
pl_opengl_destroy(&gl);
eglDestroySurface(dpy, surf);
eglDestroyContext(dpy, egl);
continue;
error: ;
EGLint error = eglGetError();
if (error != EGL_SUCCESS)
fprintf(stderr, "EGL error: %s\n", egl_err_str(error));
}
eglTerminate(dpy);
gladLoaderUnloadEGL();
pl_log_destroy(&log);
if (!last_glsl.version)
return SKIP;
}
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