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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"
struct ConfigExtra configExtraDefault = {
EGL_DONT_CARE, (GLXFBConfig)EGL_DONT_CARE,
0, 0, 0, 0, 0, 0, 0,
EGL_DONT_CARE, EGL_DONT_CARE, EGL_RGB_BUFFER, EGL_DONT_CARE,
EGL_DONT_CARE, 0, 0,
0, 0, 0,
EGL_DONT_CARE, EGL_DONT_CARE,
EGL_DONT_CARE, EGL_DONT_CARE, EGL_DONT_CARE,
EGL_DONT_CARE,
0, 0, 0, EGL_WINDOW_BIT,
EGL_NONE, EGL_DONT_CARE, EGL_DONT_CARE, EGL_DONT_CARE,
};
EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint* attrib_list,
EGLConfig* configs, EGLint config_size, EGLint* num_config) {
struct DisplayExtra* pDisplay;
struct ConfigExtra configValue;
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;
}
if (num_config == NULL) {
EGLINTER(SetError)(EGL_BAD_PARAMETER);
return EGL_FALSE;
}
memcpy(&configValue, &configExtraDefault, sizeof(struct ConfigExtra));
while (attrib_list && *attrib_list != EGL_NONE) {
switch (*attrib_list++) {
case EGL_CONFIG_ID: configValue.unique = *attrib_list++; break;
case EGL_BUFFER_SIZE: configValue.bufferSize = *attrib_list++; break;
case EGL_RED_SIZE: configValue.redSize = *attrib_list++; break;
case EGL_GREEN_SIZE: configValue.greenSize = *attrib_list++; break;
case EGL_BLUE_SIZE: configValue.blueSize = *attrib_list++; break;
case EGL_LUMINANCE_SIZE: configValue.luminanceSize = *attrib_list++; break;
case EGL_ALPHA_SIZE: configValue.alphaSize = *attrib_list++; break;
case EGL_ALPHA_MASK_SIZE: configValue.alphaMaskSize = *attrib_list++; break;
case EGL_BIND_TO_TEXTURE_RGB: configValue.bindToTexRGB = *attrib_list++; break;
case EGL_BIND_TO_TEXTURE_RGBA: configValue.bindToTexRGBA = *attrib_list++; break;
case EGL_COLOR_BUFFER_TYPE: configValue.colorBufferType = *attrib_list++; break;
case EGL_CONFIG_CAVEAT: configValue.configCaveat = *attrib_list++; break;
case EGL_CONFORMANT: configValue.conformant = *attrib_list++; break;
case EGL_DEPTH_SIZE: configValue.depthSize = *attrib_list++; break;
case EGL_LEVEL: configValue.level = *attrib_list++; break;
case EGL_MAX_PBUFFER_WIDTH: attrib_list++; break;
case EGL_MAX_PBUFFER_HEIGHT: attrib_list++; break;
case EGL_MAX_PBUFFER_PIXELS: attrib_list++; break;
case EGL_MAX_SWAP_INTERVAL: configValue.maxSwapInterval = *attrib_list++; break;
case EGL_MIN_SWAP_INTERVAL: configValue.minSwapInterval = *attrib_list++; break;
case EGL_NATIVE_RENDERABLE: configValue.nativeRenderable = *attrib_list++; break;
case EGL_NATIVE_VISUAL_ID: attrib_list++; break;
case EGL_NATIVE_VISUAL_TYPE: configValue.nativeVisualType = *attrib_list++; break;
case EGL_RENDERABLE_TYPE: configValue.renderableType = *attrib_list++; break;
case EGL_SAMPLE_BUFFERS: configValue.sampleBuffers = *attrib_list++; break;
case EGL_SAMPLES: configValue.samples = *attrib_list++; break;
case EGL_STENCIL_SIZE: configValue.stencilSize = *attrib_list++; break;
case EGL_SURFACE_TYPE: configValue.surfaceType = *attrib_list++; break;
case EGL_TRANSPARENT_TYPE: configValue.transparentType = *attrib_list++; break;
case EGL_TRANSPARENT_RED_VALUE: configValue.transparentRedValue = *attrib_list++; break;
case EGL_TRANSPARENT_GREEN_VALUE: configValue.transparentGreenValue = *attrib_list++; break;
case EGL_TRANSPARENT_BLUE_VALUE: configValue.transparentBlueValue = *attrib_list++; break;
case EGL_MATCH_NATIVE_PIXMAP: assert(0); break;
default:
EGLINTER(SetError)(EGL_BAD_ATTRIBUTE);
return EGL_FALSE;
}
}
struct ConfigExtra* pUnit = pDisplay->pConfigExtra;
int nCount = pDisplay->nConfigExtra;
int i;
if (configValue.unique != EGL_DONT_CARE) {
while (nCount--) {
if (pUnit->unique == configValue.unique) {
*num_config = 1;
if (configs != NULL && config_size > 0) {
configs[0] = (EGLConfig)pUnit;
}
goto SETSUCCESS;
}
pUnit++;
}
*num_config = 0;
goto SETSUCCESS;
}
int nAnswer = 0;
EGLConfig* pAnswer = pDisplay->pConfigAnswer;
for (; nCount--; pUnit++) {
if (pUnit->bufferSize < configValue.bufferSize) continue;
if (pUnit->redSize < configValue.redSize) continue;
if (pUnit->greenSize < configValue.greenSize) continue;
if (pUnit->blueSize < configValue.blueSize) continue;
if (pUnit->luminanceSize < configValue.luminanceSize) continue;
if (pUnit->alphaSize < configValue.alphaSize) continue;
if (pUnit->alphaMaskSize < configValue.alphaMaskSize) continue;
if (configValue.bindToTexRGB != EGL_DONT_CARE
&& pUnit->bindToTexRGB != configValue.bindToTexRGB) continue;
if (configValue.bindToTexRGBA != EGL_DONT_CARE
&& pUnit->bindToTexRGBA != configValue.bindToTexRGBA) continue;
if (pUnit->colorBufferType != configValue.colorBufferType) continue;
if (configValue.configCaveat != EGL_DONT_CARE
&& pUnit->configCaveat != configValue.configCaveat) continue;
if (configValue.conformant != EGL_DONT_CARE
&& (pUnit->conformant & configValue.conformant) == 0) continue;
if (pUnit->depthSize < configValue.depthSize) continue;
if (pUnit->level != configValue.level) continue;
if (configValue.maxSwapInterval != EGL_DONT_CARE
&& pUnit->maxSwapInterval != configValue.maxSwapInterval) continue;
if (configValue.minSwapInterval != EGL_DONT_CARE
&& pUnit->minSwapInterval != configValue.minSwapInterval) continue;
if (configValue.nativeRenderable != EGL_DONT_CARE
&& pUnit->nativeRenderable != configValue.nativeRenderable) continue;
if (configValue.renderableType != EGL_DONT_CARE
&& (pUnit->renderableType & configValue.renderableType) == 0) continue;
if (pUnit->sampleBuffers < configValue.sampleBuffers) continue;
if (pUnit->samples < configValue.samples) continue;
if (pUnit->stencilSize < configValue.stencilSize) continue;
if (pUnit->surfaceType & configValue.surfaceType == 0) continue;
if (pUnit->transparentType != configValue.transparentType) continue;
if (pUnit->transparentType != EGL_NONE
&& pUnit->transparentRedValue != configValue.transparentRedValue) continue;
if (pUnit->transparentType != EGL_NONE
&& pUnit->transparentGreenValue != configValue.transparentGreenValue) continue;
if (pUnit->transparentType != EGL_NONE
&& pUnit->transparentBlueValue != configValue.transparentBlueValue) continue;
*pAnswer++ = pUnit;
nAnswer++;
}
int num = nAnswer;
if (configs == NULL) {
*num_config = num;
} else {
if (config_size < num) num = config_size;
if (num < 0) num = 0;
*num_config = num;
memcpy(configs, pDisplay->pConfigAnswer, num * sizeof(EGLConfig));
}
SETSUCCESS:
EGLINTER(SetError)(EGL_SUCCESS);
return EGL_TRUE;
}
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