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/*
* Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
*
* Contact:
* DongKyun Yun <dk77.yun@samsung.com>
* SangJin Kim <sangjin3.kim@samsung.com>
* HyunGoo Kang <hyungoo1.kang@samsung.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Contributors:
* - S-Core Co., Ltd
*
*/
#include "implement.h"
#include <dlfcn.h>
struct ConfigExtra* EGLINTER(LookUpConfig)(struct DisplayExtra* pDisplay, EGLConfig config) {
struct ConfigExtra* pConfig = (struct ConfigExtra*)config;
struct ConfigExtra* pUnit = pDisplay->pConfigExtra;
int nCount = pDisplay->nConfigExtra;
while (nCount--) {
if (pConfig == pUnit) {
return pConfig;
}
pUnit++;
}
return NULL;
}
EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint *value) {
struct DisplayExtra* pDisplay = EGLINTER(LookUpDisplay)(dpy);
if (pDisplay == NULL) {
EGLINTER(SetError)(EGL_BAD_DISPLAY);
return EGL_FALSE;
}
if (pDisplay->bInitialized == EGL_FALSE) {
EGLINTER(SetError)(EGL_NOT_INITIALIZED);
return EGL_FALSE;
}
struct ConfigExtra* pConfig = EGLINTER(LookUpConfig)(pDisplay, config);
if (pConfig == NULL) {
EGLINTER(SetError)(EGL_BAD_CONFIG);
return EGL_FALSE;
}
EGLint answer;
switch (attribute) {
case EGL_CONFIG_ID: answer = pConfig->unique; break;
case EGL_BUFFER_SIZE: answer = pConfig->bufferSize; break;
case EGL_RED_SIZE: answer = pConfig->redSize; break;
case EGL_GREEN_SIZE: answer = pConfig->greenSize; break;
case EGL_BLUE_SIZE: answer = pConfig->blueSize; break;
case EGL_LUMINANCE_SIZE: answer = pConfig->luminanceSize; break;
case EGL_ALPHA_SIZE: answer = pConfig->alphaSize; break;
case EGL_ALPHA_MASK_SIZE: answer = pConfig->alphaMaskSize; break;
case EGL_BIND_TO_TEXTURE_RGB: answer = pConfig->bindToTexRGB; break;
case EGL_BIND_TO_TEXTURE_RGBA: answer = pConfig->bindToTexRGBA; break;
case EGL_COLOR_BUFFER_TYPE: answer = pConfig->colorBufferType; break;
case EGL_CONFIG_CAVEAT: answer = pConfig->configCaveat; break;
case EGL_CONFORMANT: answer = pConfig->conformant; break;
case EGL_DEPTH_SIZE: answer = pConfig->depthSize; break;
case EGL_LEVEL: answer = pConfig->level; break;
case EGL_MAX_PBUFFER_WIDTH: answer = pConfig->maxPbufferWidth; break;
case EGL_MAX_PBUFFER_HEIGHT: answer = pConfig->maxPbufferHeight; break;
case EGL_MAX_PBUFFER_PIXELS: answer = pConfig->maxPbufferPixels; break;
case EGL_MAX_SWAP_INTERVAL: answer = pConfig->maxSwapInterval; break;
case EGL_MIN_SWAP_INTERVAL: answer = pConfig->minSwapInterval; break;
case EGL_NATIVE_RENDERABLE: answer = pConfig->nativeRenderable; break;
case EGL_NATIVE_VISUAL_ID:
{
XVisualInfo *vi;
XVisualInfo* (*fpGetVisualFromFBConfig)(Display*, GLXFBConfig) = NULL;
void* dl = dlopen("libGL.so", RTLD_NOW);
assert(dl != 0);
*(void**)(&fpGetVisualFromFBConfig) = dlsym(dl, "glXGetVisualFromFBConfig");
assert(fpGetVisualFromFBConfig != NULL);
vi = (*fpGetVisualFromFBConfig) (pDisplay->native, pConfig->native);
answer = vi->visualid;
break;
}
case EGL_NATIVE_VISUAL_TYPE: answer = pConfig->nativeVisualType; break;
case EGL_RENDERABLE_TYPE: answer = pConfig->renderableType; break;
case EGL_SAMPLE_BUFFERS: answer = pConfig->sampleBuffers; break;
case EGL_SAMPLES: answer = pConfig->samples; break;
case EGL_STENCIL_SIZE: answer = pConfig->stencilSize; break;
case EGL_SURFACE_TYPE: answer = pConfig->surfaceType; break;
case EGL_TRANSPARENT_TYPE: answer = pConfig->transparentType; break;
case EGL_TRANSPARENT_RED_VALUE: answer = pConfig->transparentRedValue; break;
case EGL_TRANSPARENT_GREEN_VALUE: answer = pConfig->transparentGreenValue; break;
case EGL_TRANSPARENT_BLUE_VALUE: answer = pConfig->transparentBlueValue; break;
default:
EGLINTER(SetError)(EGL_BAD_ATTRIBUTE);
return EGL_FALSE;
}
if (value != NULL) *value = answer;
return EGL_TRUE;
}
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