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render/gles2: query glGetGraphicsResetStatusKHR

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Call glGetGraphicsResetStatusKHR in wlr_renderer_begin to figure
out when a GPU reset occurs. Destroy the renderer when this
happens (the OpenGL context is defunct).
This commit is contained in:
Simon Ser 2022-01-12 18:56:08 +01:00 committed by Simon Zeni
parent 31ea61b390
commit 261d6998fb
2 changed files with 38 additions and 0 deletions
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1
include/render/gles2.h
View file

@ -57,6 +57,7 @@ struct wlr_gles2_renderer {
PFNGLPOPDEBUGGROUPKHRPROC glPopDebugGroupKHR; PFNGLPOPDEBUGGROUPKHRPROC glPopDebugGroupKHR;
PFNGLPUSHDEBUGGROUPKHRPROC glPushDebugGroupKHR; PFNGLPUSHDEBUGGROUPKHRPROC glPushDebugGroupKHR;
PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC glEGLImageTargetRenderbufferStorageOES; PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC glEGLImageTargetRenderbufferStorageOES;
PFNGLGETGRAPHICSRESETSTATUSKHRPROC glGetGraphicsResetStatusKHR;
} procs; } procs;
struct { struct {

37
render/gles2/renderer.c
View file

@ -198,6 +198,19 @@ static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer,
return true; return true;
} }
static const char *reset_status_str(GLenum status) {
switch (status) {
case GL_GUILTY_CONTEXT_RESET_KHR:
return "guilty";
case GL_INNOCENT_CONTEXT_RESET_KHR:
return "innocent";
case GL_UNKNOWN_CONTEXT_RESET_KHR:
return "unknown";
default:
return "<invalid>";
}
}
static bool gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width, static bool gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
uint32_t height) { uint32_t height) {
struct wlr_gles2_renderer *renderer = struct wlr_gles2_renderer *renderer =
@ -205,6 +218,15 @@ static bool gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
push_gles2_debug(renderer); push_gles2_debug(renderer);
if (renderer->procs.glGetGraphicsResetStatusKHR) {
GLenum status = renderer->procs.glGetGraphicsResetStatusKHR();
if (status != GL_NO_ERROR) {
wlr_log(WLR_ERROR, "GPU reset (%s)", reset_status_str(status));
wl_signal_emit_mutable(&wlr_renderer->events.lost, NULL);
return false;
}
}
glViewport(0, 0, width, height); glViewport(0, 0, width, height);
renderer->viewport_width = width; renderer->viewport_width = width;
renderer->viewport_height = height; renderer->viewport_height = height;
@ -771,6 +793,21 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
"glEGLImageTargetRenderbufferStorageOES"); "glEGLImageTargetRenderbufferStorageOES");
} }
if (check_gl_ext(exts_str, "GL_KHR_robustness")) {
GLint notif_strategy = 0;
glGetIntegerv(GL_RESET_NOTIFICATION_STRATEGY_KHR, &notif_strategy);
switch (notif_strategy) {
case GL_LOSE_CONTEXT_ON_RESET_KHR:
wlr_log(WLR_DEBUG, "GPU reset notifications are enabled");
load_gl_proc(&renderer->procs.glGetGraphicsResetStatusKHR,
"glGetGraphicsResetStatusKHR");
break;
case GL_NO_RESET_NOTIFICATION_KHR:
wlr_log(WLR_DEBUG, "GPU reset notifications are disabled");
break;
}
}
if (renderer->exts.KHR_debug) { if (renderer->exts.KHR_debug) {
glEnable(GL_DEBUG_OUTPUT_KHR); glEnable(GL_DEBUG_OUTPUT_KHR);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR);