Java Code Examples for android.opengl.EGL14#EGL_PBUFFER_BIT
The following examples show how to use
android.opengl.EGL14#EGL_PBUFFER_BIT .
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Example 1
| Source File: SurfaceTextureRenderer.java From android_9.0.0_r45 with Apache License 2.0 | 5 votes |
|
private void configureEGLContext() {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new IllegalStateException("No EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, /*offset*/ 0, version, /*offset*/ 1)) {
throw new IllegalStateException("Cannot initialize EGL14");
}
int[] attribList = {
EGL14.EGL_RED_SIZE, EGL_COLOR_BITLENGTH,
EGL14.EGL_GREEN_SIZE, EGL_COLOR_BITLENGTH,
EGL14.EGL_BLUE_SIZE, EGL_COLOR_BITLENGTH,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL_RECORDABLE_ANDROID, 1,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT | EGL14.EGL_WINDOW_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
EGL14.eglChooseConfig(mEGLDisplay, attribList, /*offset*/ 0, configs, /*offset*/ 0,
configs.length, numConfigs, /*offset*/ 0);
checkEglError("eglCreateContext RGB888+recordable ES2");
mConfigs = configs[0];
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, GLES_VERSION,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, /*offset*/ 0);
checkEglError("eglCreateContext");
if(mEGLContext == EGL14.EGL_NO_CONTEXT) {
throw new IllegalStateException("No EGLContext could be made");
}
}
Example 2
| Source File: EglUtils.java From EasyPhotos with Apache License 2.0 | 4 votes |
|
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private static int getMaxTextureEgl14() {
EGLDisplay dpy = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] vers = new int[2];
EGL14.eglInitialize(dpy, vers, 0, vers, 1);
int[] configAttr = {
EGL14.EGL_COLOR_BUFFER_TYPE, EGL14.EGL_RGB_BUFFER,
EGL14.EGL_LEVEL, 0,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfig = new int[1];
EGL14.eglChooseConfig(dpy, configAttr, 0,
configs, 0, 1, numConfig, 0);
if (numConfig[0] == 0) {
return 0;
}
EGLConfig config = configs[0];
int[] surfAttr = {
EGL14.EGL_WIDTH, 64,
EGL14.EGL_HEIGHT, 64,
EGL14.EGL_NONE
};
EGLSurface surf = EGL14.eglCreatePbufferSurface(dpy, config, surfAttr, 0);
int[] ctxAttrib = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
EGLContext ctx = EGL14.eglCreateContext(dpy, config, EGL14.EGL_NO_CONTEXT, ctxAttrib, 0);
EGL14.eglMakeCurrent(dpy, surf, surf, ctx);
int[] maxSize = new int[1];
GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, maxSize, 0);
EGL14.eglMakeCurrent(dpy, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE,
EGL14.EGL_NO_CONTEXT);
EGL14.eglDestroySurface(dpy, surf);
EGL14.eglDestroyContext(dpy, ctx);
EGL14.eglTerminate(dpy);
return maxSize[0];
}
Example 3
| Source File: EglUtils.java From Matisse-Kotlin with Apache License 2.0 | 4 votes |
|
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private static int getMaxTextureEgl14() {
EGLDisplay dpy = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] vers = new int[2];
EGL14.eglInitialize(dpy, vers, 0, vers, 1);
int[] configAttr = {
EGL14.EGL_COLOR_BUFFER_TYPE, EGL14.EGL_RGB_BUFFER,
EGL14.EGL_LEVEL, 0,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfig = new int[1];
EGL14.eglChooseConfig(dpy, configAttr, 0,
configs, 0, 1, numConfig, 0);
if (numConfig[0] == 0) {
return 0;
}
EGLConfig config = configs[0];
int[] surfAttr = {
EGL14.EGL_WIDTH, 64,
EGL14.EGL_HEIGHT, 64,
EGL14.EGL_NONE
};
EGLSurface surf = EGL14.eglCreatePbufferSurface(dpy, config, surfAttr, 0);
int[] ctxAttrib = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
EGLContext ctx = EGL14.eglCreateContext(dpy, config, EGL14.EGL_NO_CONTEXT, ctxAttrib, 0);
EGL14.eglMakeCurrent(dpy, surf, surf, ctx);
int[] maxSize = new int[1];
GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, maxSize, 0);
EGL14.eglMakeCurrent(dpy, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE,
EGL14.EGL_NO_CONTEXT);
EGL14.eglDestroySurface(dpy, surf);
EGL14.eglDestroyContext(dpy, ctx);
EGL14.eglTerminate(dpy);
return maxSize[0];
}
Example 4
| Source File: OutputSurface.java From SimpleVideoEdit with Apache License 2.0 | 4 votes |
|
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports pbuffer.
*/
private void eglSetup(int width, int height) {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for pbuffer and OpenGL ES 2.0. We want enough RGB bits
// to be able to tell if the frame is reasonable.
// 这里的播放也用了888
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
// Configure context for OpenGL ES 2.0.
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
// Create a pbuffer surface. By using this for output, we can use glReadPixels
// to test values in the output.
int[] surfaceAttribs = {
EGL14.EGL_WIDTH, width,
EGL14.EGL_HEIGHT, height,
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs, 0);
checkEglError("eglCreatePbufferSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
Example 5
| Source File: GlideFilmstripManager.java From Camera2 with Apache License 2.0 | 4 votes |
|
/**
* Ridiculous way to read the devices maximum texture size because no other
* way is provided.
*/
private static Integer computeEglMaxTextureSize()
{
EGLDisplay eglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] majorMinor = new int[2];
EGL14.eglInitialize(eglDisplay, majorMinor, 0, majorMinor, 1);
int[] configAttr = {
EGL14.EGL_COLOR_BUFFER_TYPE, EGL14.EGL_RGB_BUFFER,
EGL14.EGL_LEVEL, 0,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] eglConfigs = new EGLConfig[1];
int[] configCount = new int[1];
EGL14.eglChooseConfig(eglDisplay, configAttr, 0,
eglConfigs, 0, 1, configCount, 0);
if (configCount[0] == 0)
{
Log.w(TAG, "No EGL configurations found!");
return null;
}
EGLConfig eglConfig = eglConfigs[0];
// Create a tiny surface
int[] eglSurfaceAttributes = {
EGL14.EGL_WIDTH, 64,
EGL14.EGL_HEIGHT, 64,
EGL14.EGL_NONE
};
//
EGLSurface eglSurface = EGL14.eglCreatePbufferSurface(eglDisplay, eglConfig,
eglSurfaceAttributes, 0);
int[] eglContextAttributes = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
// Create an EGL context.
EGLContext eglContext = EGL14.eglCreateContext(eglDisplay, eglConfig, EGL14.EGL_NO_CONTEXT,
eglContextAttributes, 0);
EGL14.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext);
// Actually read the Gl_MAX_TEXTURE_SIZE into the array.
int[] maxSize = new int[1];
GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, maxSize, 0);
int result = maxSize[0];
// Tear down the surface, context, and display.
EGL14.eglMakeCurrent(eglDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE,
EGL14.EGL_NO_CONTEXT);
EGL14.eglDestroySurface(eglDisplay, eglSurface);
EGL14.eglDestroyContext(eglDisplay, eglContext);
EGL14.eglTerminate(eglDisplay);
// Return the computed max size.
return result;
}
Example 6
| Source File: EglUtils.java From PictureSelector with Apache License 2.0 | 4 votes |
|
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private static int getMaxTextureEgl14() {
EGLDisplay dpy = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] vers = new int[2];
EGL14.eglInitialize(dpy, vers, 0, vers, 1);
int[] configAttr = {
EGL14.EGL_COLOR_BUFFER_TYPE, EGL14.EGL_RGB_BUFFER,
EGL14.EGL_LEVEL, 0,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfig = new int[1];
EGL14.eglChooseConfig(dpy, configAttr, 0,
configs, 0, 1, numConfig, 0);
if (numConfig[0] == 0) {
return 0;
}
EGLConfig config = configs[0];
int[] surfAttr = {
EGL14.EGL_WIDTH, 64,
EGL14.EGL_HEIGHT, 64,
EGL14.EGL_NONE
};
EGLSurface surf = EGL14.eglCreatePbufferSurface(dpy, config, surfAttr, 0);
int[] ctxAttrib = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
EGLContext ctx = EGL14.eglCreateContext(dpy, config, EGL14.EGL_NO_CONTEXT, ctxAttrib, 0);
EGL14.eglMakeCurrent(dpy, surf, surf, ctx);
int[] maxSize = new int[1];
GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, maxSize, 0);
EGL14.eglMakeCurrent(dpy, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE,
EGL14.EGL_NO_CONTEXT);
EGL14.eglDestroySurface(dpy, surf);
EGL14.eglDestroyContext(dpy, ctx);
EGL14.eglTerminate(dpy);
return maxSize[0];
}
Example 7
| Source File: OutputSurface.java From phoenix with Apache License 2.0 | 4 votes |
|
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports pbuffer.
*/
private void eglSetup(int width, int height) {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for pbuffer and OpenGL ES 2.0. We want enough RGB bits
// to be able to tell if the frame is reasonable.
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
// Configure context for OpenGL ES 2.0.
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
// Create a pbuffer surface. By using this for output, we can use glReadPixels
// to test values in the output.
int[] surfaceAttribs = {
EGL14.EGL_WIDTH, width,
EGL14.EGL_HEIGHT, height,
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs, 0);
checkEglError("eglCreatePbufferSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
Example 8
| Source File: OutputSurface.java From phoenix with Apache License 2.0 | 4 votes |
|
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports pbuffer.
*/
private void eglSetup(int width, int height) {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for pbuffer and OpenGL ES 2.0. We want enough RGB bits
// to be able to tell if the frame is reasonable.
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
// Configure context for OpenGL ES 2.0.
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
// Create a pbuffer surface. By using this for output, we can use glReadPixels
// to test values in the output.
int[] surfaceAttribs = {
EGL14.EGL_WIDTH, width,
EGL14.EGL_HEIGHT, height,
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs, 0);
checkEglError("eglCreatePbufferSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
Example 9
| Source File: ExtractMpegFramesTest_egl14.java From Android-MediaCodec-Examples with Apache License 2.0 | 4 votes |
|
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports pbuffer.
*/
private void eglSetup() {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for pbuffer and OpenGL ES 2.0, 24-bit RGB.
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_ALPHA_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
// Configure context for OpenGL ES 2.0.
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
// Create a pbuffer surface.
int[] surfaceAttribs = {
EGL14.EGL_WIDTH, mWidth,
EGL14.EGL_HEIGHT, mHeight,
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs, 0);
checkEglError("eglCreatePbufferSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
Example 10
| Source File: OutputSurface.java From Pix-Art-Messenger with GNU General Public License v3.0 | 4 votes |
|
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports pbuffer.
*/
private void eglSetup(int width, int height) {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for pbuffer and OpenGL ES 2.0. We want enough RGB bits
// to be able to tell if the frame is reasonable.
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
// Configure context for OpenGL ES 2.0.
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
// Create a pbuffer surface. By using this for output, we can use glReadPixels
// to test values in the output.
int[] surfaceAttribs = {
EGL14.EGL_WIDTH, width,
EGL14.EGL_HEIGHT, height,
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs, 0);
checkEglError("eglCreatePbufferSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
Example 11
| Source File: OutputSurface.java From android-transcoder with Apache License 2.0 | 4 votes |
|
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports pbuffer.
*/
private void eglSetup(int width, int height) {
mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
throw new RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
mEGLDisplay = null;
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for pbuffer and OpenGL ES 2.0. We want enough RGB bits
// to be able to tell if the frame is reasonable.
int[] attribList = {
EGL14.EGL_RED_SIZE, 8,
EGL14.EGL_GREEN_SIZE, 8,
EGL14.EGL_BLUE_SIZE, 8,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
numConfigs, 0)) {
throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
}
// Configure context for OpenGL ES 2.0.
int[] attrib_list = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT,
attrib_list, 0);
checkEglError("eglCreateContext");
if (mEGLContext == null) {
throw new RuntimeException("null context");
}
// Create a pbuffer surface. By using this for output, we can use glReadPixels
// to test values in the output.
int[] surfaceAttribs = {
EGL14.EGL_WIDTH, width,
EGL14.EGL_HEIGHT, height,
EGL14.EGL_NONE
};
mEGLSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs, 0);
checkEglError("eglCreatePbufferSurface");
if (mEGLSurface == null) {
throw new RuntimeException("surface was null");
}
}
Example 12
| Source File: SketchUtils.java From sketch with Apache License 2.0 | 4 votes |
|
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
private static int getOpenGLMaxTextureSizeJB1() {
// Then get a hold of the default display, and initialize.
// This could get more complex if you have to deal with devices that could have multiple displays,
// but will be sufficient for a typical phone/tablet:
android.opengl.EGLDisplay dpy = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
int[] vers = new int[2];
EGL14.eglInitialize(dpy, vers, 0, vers, 1);
// Next, we need to find a config. Since we won't use this context for rendering,
// the exact attributes aren't very critical:
int[] configAttr = {
EGL14.EGL_COLOR_BUFFER_TYPE, EGL14.EGL_RGB_BUFFER,
EGL14.EGL_LEVEL, 0,
EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
EGL14.EGL_SURFACE_TYPE, EGL14.EGL_PBUFFER_BIT,
EGL14.EGL_NONE
};
android.opengl.EGLConfig[] configs = new android.opengl.EGLConfig[1];
int[] numConfig = new int[1];
EGL14.eglChooseConfig(dpy, configAttr, 0,
configs, 0, 1, numConfig, 0);
//noinspection StatementWithEmptyBody
if (numConfig[0] == 0) {
// TROUBLE! No config found.
}
android.opengl.EGLConfig config = configs[0];
// To make a context current, which we will need later,
// you need a rendering surface, even if you don't actually plan to render.
// To satisfy this requirement, create a small offscreen (Pbuffer) surface:
int[] surfAttr = {
EGL14.EGL_WIDTH, 64,
EGL14.EGL_HEIGHT, 64,
EGL14.EGL_NONE
};
android.opengl.EGLSurface surf = EGL14.eglCreatePbufferSurface(dpy, config, surfAttr, 0);
// Next, create the context:
int[] ctxAttrib = {
EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
EGL14.EGL_NONE
};
android.opengl.EGLContext ctx = EGL14.eglCreateContext(dpy, config, EGL14.EGL_NO_CONTEXT, ctxAttrib, 0);
// Ready to make the context current now:
EGL14.eglMakeCurrent(dpy, surf, surf, ctx);
// If all of the above succeeded (error checking was omitted), you can make your OpenGL calls now:
int[] maxSize = new int[1];
GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, maxSize, 0);
// Once you're all done, you can tear down everything:
EGL14.eglMakeCurrent(dpy, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE,
EGL14.EGL_NO_CONTEXT);
EGL14.eglDestroySurface(dpy, surf);
EGL14.eglDestroyContext(dpy, ctx);
EGL14.eglTerminate(dpy);
return maxSize[0];
}
