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path: root/intern/ghost/intern/GHOST_XrGraphicsBinding.cpp
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Diffstat (limited to 'intern/ghost/intern/GHOST_XrGraphicsBinding.cpp')
-rw-r--r--intern/ghost/intern/GHOST_XrGraphicsBinding.cpp128
1 files changed, 80 insertions, 48 deletions
diff --git a/intern/ghost/intern/GHOST_XrGraphicsBinding.cpp b/intern/ghost/intern/GHOST_XrGraphicsBinding.cpp
index aa230bf8deb..d387b222538 100644
--- a/intern/ghost/intern/GHOST_XrGraphicsBinding.cpp
+++ b/intern/ghost/intern/GHOST_XrGraphicsBinding.cpp
@@ -8,17 +8,16 @@
#include <list>
#include <sstream>
-#if defined(WITH_GL_EGL)
+#if defined(WITH_GHOST_X11)
# include "GHOST_ContextEGL.h"
-# if defined(WITH_GHOST_X11)
-# include "GHOST_SystemX11.h"
-# endif
-# if defined(WITH_GHOST_WAYLAND)
-# include "GHOST_SystemWayland.h"
-# endif
-#elif defined(WITH_GHOST_X11)
# include "GHOST_ContextGLX.h"
-#elif defined(WIN32)
+# include "GHOST_SystemX11.h"
+#endif
+#if defined(WITH_GHOST_WAYLAND)
+# include "GHOST_ContextEGL.h"
+# include "GHOST_SystemWayland.h"
+#endif
+#if defined(WIN32)
# include "GHOST_ContextD3D.h"
# include "GHOST_ContextWGL.h"
# include "GHOST_SystemWin32.h"
@@ -61,21 +60,32 @@ class GHOST_XrGraphicsBindingOpenGL : public GHOST_IXrGraphicsBinding {
XrSystemId system_id,
std::string *r_requirement_info) const override
{
-#if defined(WITH_GL_EGL)
- GHOST_ContextEGL &ctx_gl = static_cast<GHOST_ContextEGL &>(ghost_ctx);
-#elif defined(WITH_GHOST_X11)
- GHOST_ContextGLX &ctx_gl = static_cast<GHOST_ContextGLX &>(ghost_ctx);
-#else
+ int gl_major_version, gl_minor_version;
+#if defined(WIN32)
GHOST_ContextWGL &ctx_gl = static_cast<GHOST_ContextWGL &>(ghost_ctx);
+ gl_major_version = ctx_gl.m_contextMajorVersion;
+ gl_minor_version = ctx_gl.m_contextMinorVersion;
+#elif defined(WITH_GHOST_X11) || defined(WITH_GHOST_WAYLAND)
+ if (dynamic_cast<GHOST_ContextEGL *>(&ghost_ctx)) {
+ GHOST_ContextEGL &ctx_gl = static_cast<GHOST_ContextEGL &>(ghost_ctx);
+ gl_major_version = ctx_gl.m_contextMajorVersion;
+ gl_minor_version = ctx_gl.m_contextMinorVersion;
+ }
+# if defined(WITH_GHOST_X11)
+ else {
+ GHOST_ContextGLX &ctx_gl = static_cast<GHOST_ContextGLX &>(ghost_ctx);
+ gl_major_version = ctx_gl.m_contextMajorVersion;
+ gl_minor_version = ctx_gl.m_contextMinorVersion;
+ }
+# endif
#endif
static PFN_xrGetOpenGLGraphicsRequirementsKHR s_xrGetOpenGLGraphicsRequirementsKHR_fn =
nullptr;
// static XrInstance s_instance = XR_NULL_HANDLE;
XrGraphicsRequirementsOpenGLKHR gpu_requirements = {XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_KHR};
- const XrVersion gl_version = XR_MAKE_VERSION(
- ctx_gl.m_contextMajorVersion, ctx_gl.m_contextMinorVersion, 0);
+ const XrVersion gl_version = XR_MAKE_VERSION(gl_major_version, gl_minor_version, 0);
- /* Although it would seem reasonable that the proc address would not change if the instance was
+ /* Although it would seem reasonable that the PROC address would not change if the instance was
* the same, in testing, repeated calls to #xrGetInstanceProcAddress() with the same instance
* can still result in changes so the workaround is to simply set the function pointer every
* time (trivializing its 'static' designation). */
@@ -112,45 +122,67 @@ class GHOST_XrGraphicsBindingOpenGL : public GHOST_IXrGraphicsBinding {
void initFromGhostContext(GHOST_Context &ghost_ctx) override
{
-#if defined(WITH_GHOST_X11)
-# if defined(WITH_GL_EGL)
- GHOST_ContextEGL &ctx_egl = static_cast<GHOST_ContextEGL &>(ghost_ctx);
-
- if (dynamic_cast<const GHOST_SystemX11 *const>(ctx_egl.m_system)) {
- oxr_binding.egl.type = XR_TYPE_GRAPHICS_BINDING_EGL_MNDX;
- oxr_binding.egl.getProcAddress = eglGetProcAddress;
- oxr_binding.egl.display = ctx_egl.getDisplay();
- oxr_binding.egl.config = ctx_egl.getConfig();
- oxr_binding.egl.context = ctx_egl.getContext();
- }
+#if defined(WITH_GHOST_X11) || defined(WITH_GHOST_WAYLAND)
+ /* WAYLAND/X11 may be dynamically selected at load time but both may also be
+ * supported at compile time individually.
+ * Without `is_ctx_egl` & `is_wayland` preprocessor checks become an unmanageable soup. */
+ const bool is_ctx_egl = dynamic_cast<GHOST_ContextEGL *>(&ghost_ctx) != nullptr;
+ if (is_ctx_egl) {
+ GHOST_ContextEGL &ctx_egl = static_cast<GHOST_ContextEGL &>(ghost_ctx);
+ const bool is_wayland = (
+# if defined(WITH_GHOST_WAYLAND)
+ dynamic_cast<const GHOST_SystemWayland *const>(ctx_egl.m_system) != nullptr
# else
- GHOST_ContextGLX &ctx_glx = static_cast<GHOST_ContextGLX &>(ghost_ctx);
- XVisualInfo *visual_info = glXGetVisualFromFBConfig(ctx_glx.m_display, ctx_glx.m_fbconfig);
+ false
+# endif
+ );
+
+ if (is_wayland) {
+# if defined(WITH_GHOST_WAYLAND)
+ /* #GHOST_SystemWayland */
+ oxr_binding.wl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_WAYLAND_KHR;
+ oxr_binding.wl.display = (struct wl_display *)ctx_egl.m_nativeDisplay;
+# else
+ GHOST_ASSERT(false, "Unexpected State: logical error, unreachable!");
+# endif /* !WITH_GHOST_WAYLAND */
+ }
+ else { /* `!is_wayland` */
+# if defined(WITH_GHOST_X11)
+ /* #GHOST_SystemX11. */
+ oxr_binding.egl.type = XR_TYPE_GRAPHICS_BINDING_EGL_MNDX;
+ oxr_binding.egl.getProcAddress = eglGetProcAddress;
+ oxr_binding.egl.display = ctx_egl.getDisplay();
+ oxr_binding.egl.config = ctx_egl.getConfig();
+ oxr_binding.egl.context = ctx_egl.getContext();
+# else
+ GHOST_ASSERT(false, "Unexpected State: built with only WAYLAND and no System found!");
+# endif /* !WITH_GHOST_X11 */
+ }
+ }
+ else { /* `!is_ctx_egl` */
+# if defined(WITH_GHOST_X11)
+ GHOST_ContextGLX &ctx_glx = static_cast<GHOST_ContextGLX &>(ghost_ctx);
+ XVisualInfo *visual_info = glXGetVisualFromFBConfig(ctx_glx.m_display, ctx_glx.m_fbconfig);
- oxr_binding.glx.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_XLIB_KHR;
- oxr_binding.glx.xDisplay = ctx_glx.m_display;
- oxr_binding.glx.glxFBConfig = ctx_glx.m_fbconfig;
- oxr_binding.glx.glxDrawable = ctx_glx.m_window;
- oxr_binding.glx.glxContext = ctx_glx.m_context;
- oxr_binding.glx.visualid = visual_info->visualid;
+ oxr_binding.glx.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_XLIB_KHR;
+ oxr_binding.glx.xDisplay = ctx_glx.m_display;
+ oxr_binding.glx.glxFBConfig = ctx_glx.m_fbconfig;
+ oxr_binding.glx.glxDrawable = ctx_glx.m_window;
+ oxr_binding.glx.glxContext = ctx_glx.m_context;
+ oxr_binding.glx.visualid = visual_info->visualid;
- XFree(visual_info);
-# endif
+ XFree(visual_info);
+# else
+ GHOST_ASSERT(false, "Unexpected State: built without X11 and no EGL context is available!");
+# endif /* !WITH_GHOST_X11 */
+ }
#elif defined(WIN32)
GHOST_ContextWGL &ctx_wgl = static_cast<GHOST_ContextWGL &>(ghost_ctx);
oxr_binding.wgl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_WIN32_KHR;
oxr_binding.wgl.hDC = ctx_wgl.m_hDC;
oxr_binding.wgl.hGLRC = ctx_wgl.m_hGLRC;
-#endif
-
-#if defined(WITH_GHOST_WAYLAND)
- GHOST_ContextEGL &ctx_wl_egl = static_cast<GHOST_ContextEGL &>(ghost_ctx);
- if (dynamic_cast<const GHOST_SystemWayland *const>(ctx_wl_egl.m_system)) {
- oxr_binding.wl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_WAYLAND_KHR;
- oxr_binding.wl.display = (struct wl_display *)ctx_wl_egl.m_nativeDisplay;
- }
-#endif
+#endif /* WIN32 */
/* Generate a frame-buffer to use for blitting into the texture. */
glGenFramebuffers(1, &m_fbo);
@@ -311,7 +343,7 @@ class GHOST_XrGraphicsBindingD3D : public GHOST_IXrGraphicsBinding {
// static XrInstance s_instance = XR_NULL_HANDLE;
XrGraphicsRequirementsD3D11KHR gpu_requirements = {XR_TYPE_GRAPHICS_REQUIREMENTS_D3D11_KHR};
- /* Although it would seem reasonable that the proc address would not change if the instance was
+ /* Although it would seem reasonable that the PROC address would not change if the instance was
* the same, in testing, repeated calls to #xrGetInstanceProcAddress() with the same instance
* can still result in changes so the workaround is to simply set the function pointer every
* time (trivializing its 'static' designation). */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-16 21:08:51 +0300