2b352d76d8
Very simple and dumb, but we now get touch events and fill the window with a color (using OpenGL) based on its location. Change-Id: I6657d2bb013570238bc0fe639f33c59f1ab68872
118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/*
|
|
* Copyright (C) 2010 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
*/
|
|
|
|
#include "glutils.h"
|
|
|
|
const char *EGLstrerror(EGLint err) {
|
|
switch (err) {
|
|
case EGL_SUCCESS: return "EGL_SUCCESS";
|
|
case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
|
|
case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
|
|
case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
|
|
case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
|
|
case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
|
|
case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
|
|
case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
|
|
case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
|
|
case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
|
|
case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
|
|
case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
|
|
case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
|
|
case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
|
|
case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
|
|
default: return "UNKNOWN";
|
|
}
|
|
}
|
|
|
|
int32_t selectConfigForPixelFormat(EGLDisplay dpy, EGLint const* attrs,
|
|
int32_t format, EGLConfig* outConfig) {
|
|
EGLint numConfigs = -1, n=0;
|
|
|
|
if (!attrs)
|
|
return -1;
|
|
|
|
if (outConfig == NULL)
|
|
return -1;
|
|
|
|
int fbSzA, fbSzR, fbSzG, fbSzB;
|
|
switch (format) {
|
|
case WINDOW_FORMAT_RGBA_8888:
|
|
fbSzA = fbSzR = fbSzG = fbSzB = 8;
|
|
break;
|
|
case WINDOW_FORMAT_RGBX_8888:
|
|
fbSzA = 0; fbSzR = fbSzG = fbSzB = 8;
|
|
break;
|
|
case WINDOW_FORMAT_RGB_565:
|
|
fbSzA = 0; fbSzR = 5; fbSzG = 6; fbSzB = 5;
|
|
break;
|
|
default:
|
|
LOGW("Unknown format");
|
|
return -1;
|
|
}
|
|
|
|
// Get all the "potential match" configs...
|
|
if (eglGetConfigs(dpy, NULL, 0, &numConfigs) == EGL_FALSE) {
|
|
LOGW("eglGetConfigs failed");
|
|
return -1;
|
|
}
|
|
|
|
EGLConfig* const configs = (EGLConfig*)malloc(sizeof(EGLConfig)*numConfigs);
|
|
if (eglChooseConfig(dpy, attrs, configs, numConfigs, &n) == EGL_FALSE) {
|
|
free(configs);
|
|
LOGW("eglChooseConfig failed");
|
|
return -1;
|
|
}
|
|
|
|
int i;
|
|
EGLConfig config = NULL;
|
|
for (i=0 ; i<n ; i++) {
|
|
EGLint r,g,b,a;
|
|
EGLConfig curr = configs[i];
|
|
eglGetConfigAttrib(dpy, curr, EGL_RED_SIZE, &r);
|
|
eglGetConfigAttrib(dpy, curr, EGL_GREEN_SIZE, &g);
|
|
eglGetConfigAttrib(dpy, curr, EGL_BLUE_SIZE, &b);
|
|
eglGetConfigAttrib(dpy, curr, EGL_ALPHA_SIZE, &a);
|
|
if (fbSzA == a && fbSzR == r && fbSzG == g && fbSzB == b) {
|
|
config = curr;
|
|
break;
|
|
}
|
|
}
|
|
|
|
free(configs);
|
|
|
|
if (i<n) {
|
|
*outConfig = config;
|
|
return 0;
|
|
}
|
|
|
|
LOGW("No config with desired pixel format");
|
|
return -1;
|
|
}
|
|
|
|
int32_t selectConfigForNativeWindow(EGLDisplay dpy, EGLint const* attrs,
|
|
EGLNativeWindowType window, EGLConfig* outConfig) {
|
|
int err;
|
|
int format;
|
|
|
|
if (!window)
|
|
return -1;
|
|
|
|
return selectConfigForPixelFormat(dpy, attrs,
|
|
ANativeWindow_getFormat(window), outConfig);
|
|
}
|
|
|