2 * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
5 * DongKyun Yun <dk77.yun@samsung.com>
6 * SangJin Kim <sangjin3.kim@samsung.com>
7 * HyunGoo Kang <hyungoo1.kang@samsung.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a copy of
10 * this software and associated documentation files (the "Software"), to deal in
11 * the Software without restriction, including without limitation the rights to
12 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
13 * of the Software, and to permit persons to whom the Software is furnished to do
14 * so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in all
17 * copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 #include "implement.h"
35 struct ConfigExtra* EGLINTER(LookUpConfig)(struct DisplayExtra* pDisplay, EGLConfig config) {
37 struct ConfigExtra* pConfig = (struct ConfigExtra*)config;
38 struct ConfigExtra* pUnit = pDisplay->pConfigExtra;
39 int nCount = pDisplay->nConfigExtra;
41 if (pConfig == pUnit) {
49 EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
50 EGLint attribute, EGLint *value) {
51 struct DisplayExtra* pDisplay = EGLINTER(LookUpDisplay)(dpy);
52 if (pDisplay == NULL) {
53 EGLINTER(SetError)(EGL_BAD_DISPLAY);
56 if (pDisplay->bInitialized == EGL_FALSE) {
57 EGLINTER(SetError)(EGL_NOT_INITIALIZED);
60 struct ConfigExtra* pConfig = EGLINTER(LookUpConfig)(pDisplay, config);
61 if (pConfig == NULL) {
62 EGLINTER(SetError)(EGL_BAD_CONFIG);
67 case EGL_CONFIG_ID: answer = pConfig->unique; break;
68 case EGL_BUFFER_SIZE: answer = pConfig->bufferSize; break;
69 case EGL_RED_SIZE: answer = pConfig->redSize; break;
70 case EGL_GREEN_SIZE: answer = pConfig->greenSize; break;
71 case EGL_BLUE_SIZE: answer = pConfig->blueSize; break;
72 case EGL_LUMINANCE_SIZE: answer = pConfig->luminanceSize; break;
73 case EGL_ALPHA_SIZE: answer = pConfig->alphaSize; break;
74 case EGL_ALPHA_MASK_SIZE: answer = pConfig->alphaMaskSize; break;
75 case EGL_BIND_TO_TEXTURE_RGB: answer = pConfig->bindToTexRGB; break;
76 case EGL_BIND_TO_TEXTURE_RGBA: answer = pConfig->bindToTexRGBA; break;
77 case EGL_COLOR_BUFFER_TYPE: answer = pConfig->colorBufferType; break;
78 case EGL_CONFIG_CAVEAT: answer = pConfig->configCaveat; break;
79 case EGL_CONFORMANT: answer = pConfig->conformant; break;
80 case EGL_DEPTH_SIZE: answer = pConfig->depthSize; break;
81 case EGL_LEVEL: answer = pConfig->level; break;
82 case EGL_MAX_PBUFFER_WIDTH: answer = pConfig->maxPbufferWidth; break;
83 case EGL_MAX_PBUFFER_HEIGHT: answer = pConfig->maxPbufferHeight; break;
84 case EGL_MAX_PBUFFER_PIXELS: answer = pConfig->maxPbufferPixels; break;
85 case EGL_MAX_SWAP_INTERVAL: answer = pConfig->maxSwapInterval; break;
86 case EGL_MIN_SWAP_INTERVAL: answer = pConfig->minSwapInterval; break;
87 case EGL_NATIVE_RENDERABLE: answer = pConfig->nativeRenderable; break;
88 case EGL_NATIVE_VISUAL_ID:
91 XVisualInfo* (*fpGetVisualFromFBConfig)(Display*, GLXFBConfig) = NULL;
92 void* dl = dlopen("libGL.so", RTLD_NOW);
94 *(void**)(&fpGetVisualFromFBConfig) = dlsym(dl, "glXGetVisualFromFBConfig");
95 assert(fpGetVisualFromFBConfig != NULL);
97 vi = (*fpGetVisualFromFBConfig) (pDisplay->native, pConfig->native);
98 answer = vi->visualid;
101 case EGL_NATIVE_VISUAL_TYPE: answer = pConfig->nativeVisualType; break;
102 case EGL_RENDERABLE_TYPE: answer = pConfig->renderableType; break;
103 case EGL_SAMPLE_BUFFERS: answer = pConfig->sampleBuffers; break;
104 case EGL_SAMPLES: answer = pConfig->samples; break;
105 case EGL_STENCIL_SIZE: answer = pConfig->stencilSize; break;
106 case EGL_SURFACE_TYPE: answer = pConfig->surfaceType; break;
107 case EGL_TRANSPARENT_TYPE: answer = pConfig->transparentType; break;
108 case EGL_TRANSPARENT_RED_VALUE: answer = pConfig->transparentRedValue; break;
109 case EGL_TRANSPARENT_GREEN_VALUE: answer = pConfig->transparentGreenValue; break;
110 case EGL_TRANSPARENT_BLUE_VALUE: answer = pConfig->transparentBlueValue; break;
112 EGLINTER(SetError)(EGL_BAD_ATTRIBUTE);
115 if (value != NULL) *value = answer;