ADHOC/replicant-frameworks_native
3
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix GLES context version selection

Browse Source 
Explicitly selects an ES 2.0 config first, then an ES 1.x config,
before attempting the fallback path for the emulator.

Bug: 10820214
Change-Id: Ia8cc084c02a0e3de910def024da8a08d02bbd89d
This commit is contained in:
Mathias Agopian 2013-09-18 16:20:26 -07:00
parent c1c05de415
commit 2185f8b420
3 changed files with 61 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
services/surfaceflinger/RenderEngine/RenderEngine.cpp
View File

@ -30,9 +30,25 @@ namespace android {
// ---------------------------------------------------------------------------
RenderEngine* RenderEngine::create(EGLDisplay display, EGLConfig config) {
EGLint renderableType = 0;
EGLint contextClientVersion = 0;
// query the renderable type, setting the EGL_CONTEXT_CLIENT_VERSION accordingly
if (!eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType)) {
LOG_ALWAYS_FATAL("can't query EGLConfig RENDERABLE_TYPE");
}
if (renderableType & EGL_OPENGL_ES2_BIT) {
contextClientVersion = 2;
} else if (renderableType & EGL_OPENGL_ES_BIT) {
contextClientVersion = 1;
} else {
LOG_ALWAYS_FATAL("no supported EGL_RENDERABLE_TYPEs");
}
// Also create our EGLContext
EGLint contextAttributes[] = {
EGL_CONTEXT_CLIENT_VERSION, 2, // MUST be first
EGL_CONTEXT_CLIENT_VERSION, contextClientVersion, // MUST be first
#ifdef EGL_IMG_context_priority
#ifdef HAS_CONTEXT_PRIORITY
#warning "using EGL_IMG_context_priority"
@ -41,13 +57,7 @@ RenderEngine* RenderEngine::create(EGLDisplay display, EGLConfig config) {
#endif
EGL_NONE, EGL_NONE
};
EGLContext ctxt = eglCreateContext(display, config, NULL, contextAttributes);
if (ctxt == EGL_NO_CONTEXT) {
// maybe ES 2.x is not supported
ALOGW("can't create an ES 2.x context, trying 1.x");
ctxt = eglCreateContext(display, config, NULL, contextAttributes + 2);
}
// if can't create a GL context, we can only abort.
LOG_ALWAYS_FATAL_IF(ctxt==EGL_NO_CONTEXT, "EGLContext creation failed");

70
services/surfaceflinger/SurfaceFlinger.cpp
View File

@ -366,43 +366,40 @@ public:
operator EGLint const* () const { return &mList.keyAt(0).v; }
};
EGLConfig SurfaceFlinger::selectEGLConfig(EGLDisplay display, EGLint nativeVisualId) {
EGLConfig SurfaceFlinger::selectEGLConfig(EGLDisplay display, EGLint nativeVisualId,
EGLint renderableType) {
// select our EGLConfig. It must support EGL_RECORDABLE_ANDROID if
// it is to be used with WIFI displays
EGLConfig config;
EGLint dummy;
status_t err;
EGLint wantedAttribute;
EGLint wantedAttributeValue;
EGLAttributeVector attribs;
// TODO: enable ES2
//attribs[EGL_RENDERABLE_TYPE] = EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT;
attribs[EGL_SURFACE_TYPE] = EGL_WINDOW_BIT | EGL_PBUFFER_BIT;
attribs[EGL_RECORDABLE_ANDROID] = EGL_TRUE;
attribs[EGL_FRAMEBUFFER_TARGET_ANDROID] = EGL_TRUE;
attribs[EGL_RED_SIZE] = 8;
attribs[EGL_GREEN_SIZE] = 8;
attribs[EGL_BLUE_SIZE] = 8;
if (renderableType) {
attribs[EGL_RENDERABLE_TYPE] = renderableType;
attribs[EGL_RECORDABLE_ANDROID] = EGL_TRUE;
attribs[EGL_SURFACE_TYPE] = EGL_WINDOW_BIT|EGL_PBUFFER_BIT;
attribs[EGL_FRAMEBUFFER_TARGET_ANDROID] = EGL_TRUE;
attribs[EGL_RED_SIZE] = 8;
attribs[EGL_GREEN_SIZE] = 8;
attribs[EGL_BLUE_SIZE] = 8;
wantedAttribute = EGL_NONE;
wantedAttributeValue = EGL_NONE;
err = selectConfigForAttribute(display, attribs, EGL_NONE, EGL_NONE, &config);
} else {
// if no renderable type specified, fallback to a simplified query
attribs[EGL_RECORDABLE_ANDROID] = EGL_TRUE;
wantedAttribute = EGL_NATIVE_VISUAL_ID;
wantedAttributeValue = nativeVisualId;
}
err = selectConfigForAttribute(display, attribs, wantedAttribute,
wantedAttributeValue, &config);
if (!err)
goto success;
// this didn't work, probably because we're on the emulator...
// try a simplified query
ALOGW("no suitable EGLConfig found, trying a simpler query");
attribs.remove(EGL_RENDERABLE_TYPE);
attribs.remove(EGL_FRAMEBUFFER_TARGET_ANDROID);
attribs.remove(EGL_RECORDABLE_ANDROID);
attribs.remove(EGL_RED_SIZE);
attribs.remove(EGL_GREEN_SIZE);
attribs.remove(EGL_BLUE_SIZE);
err = selectConfigForAttribute(display, attribs,
EGL_NATIVE_VISUAL_ID, nativeVisualId, &config);
if (!err)
goto success;
// this EGL is too lame for Android
LOG_ALWAYS_FATAL("no suitable EGLConfig found, giving up");
return 0;
success:
@ -427,8 +424,25 @@ void SurfaceFlinger::init() {
mHwc = new HWComposer(this,
*static_cast<HWComposer::EventHandler *>(this));
// initialize the config and context (can't fail)
mEGLConfig = selectEGLConfig(mEGLDisplay, mHwc->getVisualID());
// First try to get an ES2 config
mEGLConfig = selectEGLConfig(mEGLDisplay, mHwc->getVisualID(), EGL_OPENGL_ES2_BIT);
if (!mEGLConfig) {
// If ES2 fails, try ES1
mEGLConfig = selectEGLConfig(mEGLDisplay, mHwc->getVisualID(), EGL_OPENGL_ES_BIT);
}
if (!mEGLConfig) {
// still didn't work, probably because we're on the emulator...
// try a simplified query
ALOGW("no suitable EGLConfig found, trying a simpler query");
mEGLConfig = selectEGLConfig(mEGLDisplay, mHwc->getVisualID(), 0);
}
if (!mEGLConfig) {
// this EGL is too lame for android
LOG_ALWAYS_FATAL("no suitable EGLConfig found, giving up");
}
// print some debugging info
EGLint r,g,b,a;

3
services/surfaceflinger/SurfaceFlinger.h
View File

@ -317,7 +317,8 @@ private:
*/
static status_t selectConfigForAttribute(EGLDisplay dpy,
EGLint const* attrs, EGLint attribute, EGLint value, EGLConfig* outConfig);
static EGLConfig selectEGLConfig(EGLDisplay disp, EGLint visualId);
static EGLConfig selectEGLConfig(EGLDisplay disp, EGLint visualId,
EGLint renderableType);
size_t getMaxTextureSize() const;
size_t getMaxViewportDims() const;