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EGL glewinfo now working for both Nvidia and Mesa implementations

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Nigel Stewart 2016-01-27 22:46:59 +10:00
parent 4c5472555a
commit 06f66b2915
1 changed files with 12 additions and 12 deletions
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24
auto/src/glewinfo_tail.c
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@ -185,11 +185,11 @@ GLboolean glewCreateContext (struct createParams *params)
EGLint numDevices; EGLint numDevices;
EGLSurface surface; EGLSurface surface;
EGLint majorVersion, minorVersion; EGLint majorVersion, minorVersion;
static const EGLint configAttribs[] = { EGLint configAttribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1, EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1, EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1, EGL_BLUE_SIZE, 1,
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE EGL_NONE
}; };
@ -204,7 +204,7 @@ GLboolean glewCreateContext (struct createParams *params)
}; };
EGLConfig config; EGLConfig config;
EGLint numConfig; EGLint numConfig;
EGLint error; EGLBoolean pBuffer;
PFNEGLQUERYDEVICESEXTPROC queryDevices = NULL; PFNEGLQUERYDEVICESEXTPROC queryDevices = NULL;
PFNEGLGETPLATFORMDISPLAYEXTPROC getPlatformDisplay = NULL; PFNEGLGETPLATFORMDISPLAYEXTPROC getPlatformDisplay = NULL;
@ -233,17 +233,22 @@ GLboolean glewCreateContext (struct createParams *params)
if (!getError || !getDisplay || !initialize || !bindAPI || !chooseConfig || !createWindowSurface || !createContext || !makeCurrent) if (!getError || !getDisplay || !initialize || !bindAPI || !chooseConfig || !createWindowSurface || !createContext || !makeCurrent)
return GL_TRUE; return GL_TRUE;
pBuffer = 0;
display = EGL_NO_DISPLAY; display = EGL_NO_DISPLAY;
if (queryDevices && getPlatformDisplay) if (queryDevices && getPlatformDisplay)
{ {
queryDevices(1, devices, &numDevices); queryDevices(1, devices, &numDevices);
if (numDevices==1) if (numDevices==1)
{ {
/* Nvidia EGL doesn't need X11 for p-buffer surface */
display = getPlatformDisplay(EGL_PLATFORM_DEVICE_EXT, devices[0], 0); display = getPlatformDisplay(EGL_PLATFORM_DEVICE_EXT, devices[0], 0);
configAttribs[1] = EGL_PBUFFER_BIT;
pBuffer = 1;
} }
} }
if (display==EGL_NO_DISPLAY) if (display==EGL_NO_DISPLAY)
{ {
/* Fall-back to X11 surface, works on Mesa */
display = getDisplay(EGL_DEFAULT_DISPLAY); display = getDisplay(EGL_DEFAULT_DISPLAY);
} }
if (display == EGL_NO_DISPLAY) if (display == EGL_NO_DISPLAY)
@ -257,13 +262,13 @@ GLboolean glewCreateContext (struct createParams *params)
if (chooseConfig(display, configAttribs, &config, 1, &numConfig) != EGL_TRUE || (numConfig != 1)) if (chooseConfig(display, configAttribs, &config, 1, &numConfig) != EGL_TRUE || (numConfig != 1))
return GL_TRUE; return GL_TRUE;
ctx = createContext(display, config, EGL_NO_CONTEXT, contextAttribs); ctx = createContext(display, config, EGL_NO_CONTEXT, pBuffer ? contextAttribs : NULL);
if (NULL == ctx) if (NULL == ctx)
return GL_TRUE; return GL_TRUE;
surface = EGL_NO_SURFACE; surface = EGL_NO_SURFACE;
/* Create a p-buffer surface if possible */ /* Create a p-buffer surface if possible */
if (createPbufferSurface) if (pBuffer && createPbufferSurface)
{ {
surface = createPbufferSurface(display, config, pBufferAttribs); surface = createPbufferSurface(display, config, pBufferAttribs);
} }
@ -272,19 +277,14 @@ GLboolean glewCreateContext (struct createParams *params)
{ {
surface = createWindowSurface(display, config, (EGLNativeWindowType) NULL, NULL); surface = createWindowSurface(display, config, (EGLNativeWindowType) NULL, NULL);
} }
#if 0
if (surface == EGL_NO_SURFACE) if (surface == EGL_NO_SURFACE)
return GL_TRUE; return GL_TRUE;
#endif
if (makeCurrent(display, surface, surface, ctx) != EGL_TRUE) if (makeCurrent(display, surface, surface, ctx) != EGL_TRUE)
return GL_TRUE; return GL_TRUE;
error = getError();
if (error!=EGL_SUCCESS)
{
printf("eglGetError: %d\n", error);
return GL_TRUE;
}
return GL_FALSE; return GL_FALSE;
} }