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[client] wayland: add ability to create OpenGL contexts

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This should allow the OpenGL backend to work.
This commit is contained in:
Quantum 2021-01-27 15:03:55 -05:00 committed by Geoffrey McRae
parent a56e363e39
commit af2dafbdac
1 changed files with 63 additions and 13 deletions
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76
client/displayservers/Wayland/wayland.c
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@ -31,11 +31,9 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <SDL2/SDL.h>
#include <wayland-client.h>
#ifdef ENABLE_EGL
# include <wayland-egl.h>
# include "egl_dynprocs.h"
# include <EGL/eglext.h>
#endif
#include <wayland-egl.h>
#include "egl_dynprocs.h"
#include <EGL/eglext.h>
#include "app.h"
#include "common/debug.h"
@ -68,6 +66,10 @@ struct WaylandDSState
struct wl_egl_window * eglWindow;
#endif
EGLDisplay glDisplay;
EGLConfig glConfig;
EGLSurface glSurface;
struct xdg_wm_base * xdgWmBase;
struct xdg_surface * xdgSurface;
struct xdg_toplevel * xdgToplevel;
@ -480,6 +482,8 @@ static bool waylandProbe(void)
return getenv("WAYLAND_DISPLAY") != NULL;
}
static EGLDisplay waylandGetEGLDisplay(void);
static bool waylandInit(const LG_DSInitParams params)
{
memset(&wm, 0, sizeof(wm));
@ -555,6 +559,52 @@ static bool waylandInit(const LG_DSInitParams params)
wl_surface_commit(wm.cursor);
}
if (params.opengl)
{
EGLint attr[] =
{
EGL_BUFFER_SIZE , 24,
EGL_CONFORMANT , EGL_OPENGL_BIT,
EGL_RENDERABLE_TYPE , EGL_OPENGL_BIT,
EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER,
EGL_RED_SIZE , 8,
EGL_GREEN_SIZE , 8,
EGL_BLUE_SIZE , 8,
EGL_SAMPLE_BUFFERS , 0,
EGL_SAMPLES , 0,
EGL_NONE
};
wm.glDisplay = waylandGetEGLDisplay();
int maj, min;
if (!eglInitialize(wm.glDisplay, &maj, &min))
{
DEBUG_ERROR("Unable to initialize EGL");
return false;
}
if (wm.glDisplay == EGL_NO_DISPLAY)
{
DEBUG_ERROR("Failed to get EGL display (eglError: 0x%x)", eglGetError());
return false;
}
EGLint num_config;
if (!eglChooseConfig(wm.glDisplay, attr, &wm.glConfig, 1, &num_config))
{
DEBUG_ERROR("Failed to choose config (eglError: 0x%x)", eglGetError());
return false;
}
wm.glSurface = eglCreateWindowSurface(wm.glDisplay, wm.glConfig, wm.eglWindow, NULL);
if (wm.glSurface == EGL_NO_SURFACE)
{
DEBUG_ERROR("Failed to create EGL surface (eglError: 0x%x)", eglGetError());
return false;
}
}
wm.width = params.w;
wm.height = params.h;
@ -569,7 +619,6 @@ static void waylandShutdown(void)
{
}
#ifdef ENABLE_EGL
static EGLDisplay waylandGetEGLDisplay(void)
{
EGLNativeDisplayType native = (EGLNativeDisplayType) wm.display;
@ -594,10 +643,12 @@ static EGLDisplay waylandGetEGLDisplay(void)
return eglGetDisplay(native);
}
#ifdef ENABLE_EGL
static EGLNativeWindowType waylandGetEGLNativeWindow(void)
{
return (EGLNativeWindowType) wm.eglWindow;
}
#endif
static void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface)
{
@ -617,31 +668,30 @@ static void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface)
wm.resizeSerial = 0;
}
}
#endif
static LG_DSGLContext waylandGLCreateContext(void)
{
return NULL;
eglBindAPI(EGL_OPENGL_API);
return eglCreateContext(wm.glDisplay, wm.glConfig, EGL_NO_CONTEXT, NULL);
}
static void waylandGLDeleteContext(LG_DSGLContext context)
{
// FIXME: implement.
eglDestroyContext(wm.glDisplay, context);
}
static void waylandGLMakeCurrent(LG_DSGLContext context)
{
// FIXME: implement.
eglMakeCurrent(wm.glDisplay, wm.glSurface, wm.glSurface, context);
}
static void waylandGLSetSwapInterval(int interval)
{
// FIXME: implement.
eglSwapInterval(wm.glDisplay, interval);
}
static void waylandGLSwapBuffers(void)
{
// FIXME: implement.
waylandEGLSwapBuffers(wm.glDisplay, wm.glSurface);
}
static void waylandShowPointer(bool show)