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Fall back to EGL for GL replay

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We want to try to use the EGL platform as a fallback when the GL
platform can't create a GL context, since EGL_DEFAULT_DISPLAY might
still provide a workable EGLDisplay. This, for example, allows us to
replay traces when on-screen display is not required, by using the Mesa
surfaceless platform (by setting the "EGL_PLATFORM=surfaceless" Mesa
environment variable).
This commit is contained in:
Alexandros Frantzis
2019-10-03 15:04:34 +03:00
committed by Baldur Karlsson
parent 70780b0750
commit ba3df46052
2 changed files with 14 additions and 3 deletions
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renderdoc/driver/gl/egl_platform.cpp
+2 -2
View File
@@ -362,8 +362,8 @@ class EGLPlatform : public GLPlatform
Display *xlibDisplay = RenderDoc::Inst().GetGlobalEnvironment().xlibDisplay;
wl_display *waylandDisplay = RenderDoc::Inst().GetGlobalEnvironment().waylandDisplay;
// we only support replaying GLES through EGL, except if Wayland is enabled
RDCASSERT(api == RDCDriver::OpenGLES || waylandDisplay);
// we support replaying both GLES and GL through EGL
RDCASSERT(api == RDCDriver::OpenGLES || api == RDCDriver::OpenGL);
m_API = api;
renderdoc/driver/gl/gl_replay.cpp
+12 -1
View File
@@ -3607,7 +3607,18 @@ ReplayStatus GL_CreateReplayDevice(RDCFile *rdc, const ReplayOptions &opts, IRep
#endif
}
if(!gl_platform->CanCreateGLContext())
bool can_create_gl_context = gl_platform->CanCreateGLContext();
#if defined(RENDERDOC_SUPPORT_EGL)
if(!can_create_gl_context && gl_platform == &GetGLPlatform())
{
RDCLOG("Cannot create GL context with GL platform, falling back to EGL");
gl_platform = &GetEGLPlatform();
can_create_gl_context = gl_platform->CanCreateGLContext();
}
#endif
if(!can_create_gl_context)
{
RDCERR("Platform doesn't support GL contexts");
return ReplayStatus::APIInitFailed;