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Merge pull request #2764 from Sonicadvance1/pvr_workaround3

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Work around devices that choose to only return the default EGL_RENDERABLE_TYPE
This commit is contained in:
Ryan Houdek 2015-07-22 16:47:11 -05:00
commit c81bd32720
1 changed files with 46 additions and 34 deletions
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14
Source/Core/VideoBackends/OGL/GLInterface/EGL.cpp
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@ -29,14 +29,23 @@ void cInterfaceEGL::DetectMode()
EGLint num_configs;
EGLConfig *config = nullptr;
bool supportsGL = false, supportsGLES2 = false, supportsGLES3 = false;
std::array<int, 3> renderable_types = {
EGL_OPENGL_BIT,
(1 << 6), /* EGL_OPENGL_ES3_BIT_KHR */
EGL_OPENGL_ES2_BIT,
};
for (auto renderable_type : renderable_types)
{
// attributes for a visual in RGBA format with at least
// 8 bits per color
int attribs[] = {
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_NONE };
EGL_RENDERABLE_TYPE, renderable_type,
EGL_NONE
};
// Get how many configs there are
if (!eglChooseConfig( egl_dpy, attribs, nullptr, 0, &num_configs))
@ -69,12 +78,15 @@ void cInterfaceEGL::DetectMode()
supportsGLES2 = true;
}
}
}
if (supportsGL)
s_opengl_mode = GLInterfaceMode::MODE_OPENGL;
else if (supportsGLES3)
s_opengl_mode = GLInterfaceMode::MODE_OPENGLES3;
else if (supportsGLES2)
s_opengl_mode = GLInterfaceMode::MODE_OPENGLES2;
err_exit:
if (s_opengl_mode == GLInterfaceMode::MODE_DETECT) // Errored before we found a mode
s_opengl_mode = GLInterfaceMode::MODE_OPENGL; // Fall back to OpenGL