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/*
* Copyright (C) 2011 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 <ui/FramebufferNativeWindow.h>
#include <ui/PixelFormat.h>
#include <ui/EGLUtils.h>
#include <ui/egl/android_natives.h>
#include <sys/types.h>
#include <sys/resource.h>
#include <sched.h>
#include <cutils/properties.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <string.h>
#include "rsdCore.h"
#include "rsdGL.h"
#include <malloc.h>
#include "rsContext.h"
#include "rsdShaderCache.h"
#include "rsdVertexArray.h"
#include "rsdFrameBufferObj.h"
using namespace android;
using namespace android::renderscript;
static int32_t gGLContextCount = 0;
static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
if (returnVal != EGL_TRUE) {
fprintf(stderr, "%s() returned %d\n", op, returnVal);
}
for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
= eglGetError()) {
fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
error);
}
}
static void printEGLConfiguration(EGLDisplay dpy, EGLConfig config) {
#define X(VAL) {VAL, #VAL}
struct {EGLint attribute; const char* name;} names[] = {
X(EGL_BUFFER_SIZE),
X(EGL_ALPHA_SIZE),
X(EGL_BLUE_SIZE),
X(EGL_GREEN_SIZE),
X(EGL_RED_SIZE),
X(EGL_DEPTH_SIZE),
X(EGL_STENCIL_SIZE),
X(EGL_CONFIG_CAVEAT),
X(EGL_CONFIG_ID),
X(EGL_LEVEL),
X(EGL_MAX_PBUFFER_HEIGHT),
X(EGL_MAX_PBUFFER_PIXELS),
X(EGL_MAX_PBUFFER_WIDTH),
X(EGL_NATIVE_RENDERABLE),
X(EGL_NATIVE_VISUAL_ID),
X(EGL_NATIVE_VISUAL_TYPE),
X(EGL_SAMPLES),
X(EGL_SAMPLE_BUFFERS),
X(EGL_SURFACE_TYPE),
X(EGL_TRANSPARENT_TYPE),
X(EGL_TRANSPARENT_RED_VALUE),
X(EGL_TRANSPARENT_GREEN_VALUE),
X(EGL_TRANSPARENT_BLUE_VALUE),
X(EGL_BIND_TO_TEXTURE_RGB),
X(EGL_BIND_TO_TEXTURE_RGBA),
X(EGL_MIN_SWAP_INTERVAL),
X(EGL_MAX_SWAP_INTERVAL),
X(EGL_LUMINANCE_SIZE),
X(EGL_ALPHA_MASK_SIZE),
X(EGL_COLOR_BUFFER_TYPE),
X(EGL_RENDERABLE_TYPE),
X(EGL_CONFORMANT),
};
#undef X
for (size_t j = 0; j < sizeof(names) / sizeof(names[0]); j++) {
EGLint value = -1;
EGLBoolean returnVal = eglGetConfigAttrib(dpy, config, names[j].attribute, &value);
if (returnVal) {
ALOGV(" %s: %d (0x%x)", names[j].name, value, value);
}
}
}
static void DumpDebug(RsdHal *dc) {
ALOGE(" EGL ver %i %i", dc->gl.egl.majorVersion, dc->gl.egl.minorVersion);
ALOGE(" EGL context %p surface %p, Display=%p", dc->gl.egl.context, dc->gl.egl.surface,
dc->gl.egl.display);
ALOGE(" GL vendor: %s", dc->gl.gl.vendor);
ALOGE(" GL renderer: %s", dc->gl.gl.renderer);
ALOGE(" GL Version: %s", dc->gl.gl.version);
ALOGE(" GL Extensions: %s", dc->gl.gl.extensions);
ALOGE(" GL int Versions %i %i", dc->gl.gl.majorVersion, dc->gl.gl.minorVersion);
ALOGV("MAX Textures %i, %i %i", dc->gl.gl.maxVertexTextureUnits,
dc->gl.gl.maxFragmentTextureImageUnits, dc->gl.gl.maxTextureImageUnits);
ALOGV("MAX Attribs %i", dc->gl.gl.maxVertexAttribs);
ALOGV("MAX Uniforms %i, %i", dc->gl.gl.maxVertexUniformVectors,
dc->gl.gl.maxFragmentUniformVectors);
ALOGV("MAX Varyings %i", dc->gl.gl.maxVaryingVectors);
}
void rsdGLShutdown(const Context *rsc) {
RsdHal *dc = (RsdHal *)rsc->mHal.drv;
dc->gl.shaderCache->cleanupAll();
delete dc->gl.shaderCache;
delete dc->gl.vertexArrayState;
if (dc->gl.egl.context != EGL_NO_CONTEXT) {
RSD_CALL_GL(eglMakeCurrent, dc->gl.egl.display,
EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
RSD_CALL_GL(eglDestroySurface, dc->gl.egl.display, dc->gl.egl.surfaceDefault);
if (dc->gl.egl.surface != EGL_NO_SURFACE) {
RSD_CALL_GL(eglDestroySurface, dc->gl.egl.display, dc->gl.egl.surface);
}
RSD_CALL_GL(eglDestroyContext, dc->gl.egl.display, dc->gl.egl.context);
checkEglError("eglDestroyContext");
}
gGLContextCount--;
if (!gGLContextCount) {
RSD_CALL_GL(eglTerminate, dc->gl.egl.display);
}
}
bool rsdGLInit(const Context *rsc) {
RsdHal *dc = (RsdHal *)rsc->mHal.drv;
dc->gl.egl.numConfigs = -1;
EGLint configAttribs[128];
EGLint *configAttribsPtr = configAttribs;
EGLint context_attribs2[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
memset(configAttribs, 0, sizeof(configAttribs));
configAttribsPtr[0] = EGL_SURFACE_TYPE;
configAttribsPtr[1] = EGL_WINDOW_BIT;
configAttribsPtr += 2;
configAttribsPtr[0] = EGL_RENDERABLE_TYPE;
configAttribsPtr[1] = EGL_OPENGL_ES2_BIT;
configAttribsPtr += 2;
configAttribsPtr[0] = EGL_RED_SIZE;
configAttribsPtr[1] = 8;
configAttribsPtr += 2;
configAttribsPtr[0] = EGL_GREEN_SIZE;
configAttribsPtr[1] = 8;
configAttribsPtr += 2;
configAttribsPtr[0] = EGL_BLUE_SIZE;
configAttribsPtr[1] = 8;
configAttribsPtr += 2;
if (rsc->mUserSurfaceConfig.alphaMin > 0) {
configAttribsPtr[0] = EGL_ALPHA_SIZE;
configAttribsPtr[1] = rsc->mUserSurfaceConfig.alphaMin;
configAttribsPtr += 2;
}
if (rsc->mUserSurfaceConfig.depthMin > 0) {
configAttribsPtr[0] = EGL_DEPTH_SIZE;
configAttribsPtr[1] = rsc->mUserSurfaceConfig.depthMin;
configAttribsPtr += 2;
}
if (rsc->mDev->mForceSW) {
configAttribsPtr[0] = EGL_CONFIG_CAVEAT;
configAttribsPtr[1] = EGL_SLOW_CONFIG;
configAttribsPtr += 2;
}
configAttribsPtr[0] = EGL_NONE;
rsAssert(configAttribsPtr < (configAttribs + (sizeof(configAttribs) / sizeof(EGLint))));
ALOGV("%p initEGL start", rsc);
rsc->setWatchdogGL("eglGetDisplay", __LINE__, __FILE__);
dc->gl.egl.display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
checkEglError("eglGetDisplay");
RSD_CALL_GL(eglInitialize, dc->gl.egl.display,
&dc->gl.egl.majorVersion, &dc->gl.egl.minorVersion);
checkEglError("eglInitialize");
EGLBoolean ret;
EGLint numConfigs = -1, n = 0;
rsc->setWatchdogGL("eglChooseConfig", __LINE__, __FILE__);
ret = eglChooseConfig(dc->gl.egl.display, configAttribs, 0, 0, &numConfigs);
checkEglError("eglGetConfigs", ret);
if (numConfigs) {
EGLConfig* const configs = new EGLConfig[numConfigs];
rsc->setWatchdogGL("eglChooseConfig", __LINE__, __FILE__);
ret = eglChooseConfig(dc->gl.egl.display,
configAttribs, configs, numConfigs, &n);
if (!ret || !n) {
checkEglError("eglChooseConfig", ret);
ALOGE("%p, couldn't find an EGLConfig matching the screen format\n", rsc);
}
// The first config is guaranteed to over-satisfy the constraints
dc->gl.egl.config = configs[0];
// go through the list and skip configs that over-satisfy our needs
for (int i=0 ; i<n ; i++) {
if (rsc->mUserSurfaceConfig.alphaMin <= 0) {
EGLint alphaSize;
eglGetConfigAttrib(dc->gl.egl.display,
configs[i], EGL_ALPHA_SIZE, &alphaSize);
if (alphaSize > 0) {
continue;
}
}
if (rsc->mUserSurfaceConfig.depthMin <= 0) {
EGLint depthSize;
eglGetConfigAttrib(dc->gl.egl.display,
configs[i], EGL_DEPTH_SIZE, &depthSize);
if (depthSize > 0) {
continue;
}
}
// Found one!
dc->gl.egl.config = configs[i];
break;
}
delete [] configs;
}
//if (props.mLogVisual) {
if (0) {
printEGLConfiguration(dc->gl.egl.display, dc->gl.egl.config);
}
//}
rsc->setWatchdogGL("eglCreateContext", __LINE__, __FILE__);
dc->gl.egl.context = eglCreateContext(dc->gl.egl.display, dc->gl.egl.config,
EGL_NO_CONTEXT, context_attribs2);
checkEglError("eglCreateContext");
if (dc->gl.egl.context == EGL_NO_CONTEXT) {
ALOGE("%p, eglCreateContext returned EGL_NO_CONTEXT", rsc);
rsc->setWatchdogGL(NULL, 0, NULL);
return false;
}
gGLContextCount++;
EGLint pbuffer_attribs[] = { EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE };
rsc->setWatchdogGL("eglCreatePbufferSurface", __LINE__, __FILE__);
dc->gl.egl.surfaceDefault = eglCreatePbufferSurface(dc->gl.egl.display, dc->gl.egl.config,
pbuffer_attribs);
checkEglError("eglCreatePbufferSurface");
if (dc->gl.egl.surfaceDefault == EGL_NO_SURFACE) {
ALOGE("eglCreatePbufferSurface returned EGL_NO_SURFACE");
rsdGLShutdown(rsc);
rsc->setWatchdogGL(NULL, 0, NULL);
return false;
}
rsc->setWatchdogGL("eglMakeCurrent", __LINE__, __FILE__);
ret = eglMakeCurrent(dc->gl.egl.display, dc->gl.egl.surfaceDefault,
dc->gl.egl.surfaceDefault, dc->gl.egl.context);
if (ret == EGL_FALSE) {
ALOGE("eglMakeCurrent returned EGL_FALSE");
checkEglError("eglMakeCurrent", ret);
rsdGLShutdown(rsc);
rsc->setWatchdogGL(NULL, 0, NULL);
return false;
}
dc->gl.gl.version = glGetString(GL_VERSION);
dc->gl.gl.vendor = glGetString(GL_VENDOR);
dc->gl.gl.renderer = glGetString(GL_RENDERER);
dc->gl.gl.extensions = glGetString(GL_EXTENSIONS);
//ALOGV("EGL Version %i %i", mEGL.mMajorVersion, mEGL.mMinorVersion);
//ALOGV("GL Version %s", mGL.mVersion);
//ALOGV("GL Vendor %s", mGL.mVendor);
//ALOGV("GL Renderer %s", mGL.mRenderer);
//ALOGV("GL Extensions %s", mGL.mExtensions);
const char *verptr = NULL;
if (strlen((const char *)dc->gl.gl.version) > 9) {
if (!memcmp(dc->gl.gl.version, "OpenGL ES-CM", 12)) {
verptr = (const char *)dc->gl.gl.version + 12;
}
if (!memcmp(dc->gl.gl.version, "OpenGL ES ", 10)) {
verptr = (const char *)dc->gl.gl.version + 9;
}
}
if (!verptr) {
ALOGE("Error, OpenGL ES Lite not supported");
rsdGLShutdown(rsc);
rsc->setWatchdogGL(NULL, 0, NULL);
return false;
} else {
sscanf(verptr, " %i.%i", &dc->gl.gl.majorVersion, &dc->gl.gl.minorVersion);
}
glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &dc->gl.gl.maxVertexAttribs);
glGetIntegerv(GL_MAX_VERTEX_UNIFORM_VECTORS, &dc->gl.gl.maxVertexUniformVectors);
glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &dc->gl.gl.maxVertexTextureUnits);
glGetIntegerv(GL_MAX_VARYING_VECTORS, &dc->gl.gl.maxVaryingVectors);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &dc->gl.gl.maxTextureImageUnits);
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &dc->gl.gl.maxFragmentTextureImageUnits);
glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &dc->gl.gl.maxFragmentUniformVectors);
dc->gl.gl.OES_texture_npot = NULL != strstr((const char *)dc->gl.gl.extensions,
"GL_OES_texture_npot");
dc->gl.gl.GL_IMG_texture_npot = NULL != strstr((const char *)dc->gl.gl.extensions,
"GL_IMG_texture_npot");
dc->gl.gl.GL_NV_texture_npot_2D_mipmap = NULL != strstr((const char *)dc->gl.gl.extensions,
"GL_NV_texture_npot_2D_mipmap");
dc->gl.gl.EXT_texture_max_aniso = 1.0f;
bool hasAniso = NULL != strstr((const char *)dc->gl.gl.extensions,
"GL_EXT_texture_filter_anisotropic");
if (hasAniso) {
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &dc->gl.gl.EXT_texture_max_aniso);
}
if (0) {
DumpDebug(dc);
}
dc->gl.shaderCache = new RsdShaderCache();
dc->gl.vertexArrayState = new RsdVertexArrayState();
dc->gl.vertexArrayState->init(dc->gl.gl.maxVertexAttribs);
dc->gl.currentFrameBuffer = NULL;
ALOGV("%p initGLThread end", rsc);
rsc->setWatchdogGL(NULL, 0, NULL);
return true;
}
bool rsdGLSetSurface(const Context *rsc, uint32_t w, uint32_t h, RsNativeWindow sur) {
RsdHal *dc = (RsdHal *)rsc->mHal.drv;
EGLBoolean ret;
// WAR: Some drivers fail to handle 0 size surfaces correcntly.
// Use the pbuffer to avoid this pitfall.
if ((dc->gl.egl.surface != NULL) || (w == 0) || (h == 0)) {
rsc->setWatchdogGL("eglMakeCurrent", __LINE__, __FILE__);
ret = eglMakeCurrent(dc->gl.egl.display, dc->gl.egl.surfaceDefault,
dc->gl.egl.surfaceDefault, dc->gl.egl.context);
checkEglError("eglMakeCurrent", ret);
rsc->setWatchdogGL("eglDestroySurface", __LINE__, __FILE__);
ret = eglDestroySurface(dc->gl.egl.display, dc->gl.egl.surface);
checkEglError("eglDestroySurface", ret);
dc->gl.egl.surface = NULL;
dc->gl.width = 1;
dc->gl.height = 1;
}
if (dc->gl.wndSurface != NULL) {
dc->gl.wndSurface->decStrong(NULL);
}
dc->gl.wndSurface = (ANativeWindow *)sur;
if (dc->gl.wndSurface != NULL) {
dc->gl.wndSurface->incStrong(NULL);
dc->gl.width = w;
dc->gl.height = h;
rsc->setWatchdogGL("eglCreateWindowSurface", __LINE__, __FILE__);
dc->gl.egl.surface = eglCreateWindowSurface(dc->gl.egl.display, dc->gl.egl.config,
dc->gl.wndSurface, NULL);
checkEglError("eglCreateWindowSurface");
if (dc->gl.egl.surface == EGL_NO_SURFACE) {
ALOGE("eglCreateWindowSurface returned EGL_NO_SURFACE");
}
rsc->setWatchdogGL("eglMakeCurrent", __LINE__, __FILE__);
ret = eglMakeCurrent(dc->gl.egl.display, dc->gl.egl.surface,
dc->gl.egl.surface, dc->gl.egl.context);
checkEglError("eglMakeCurrent", ret);
}
rsc->setWatchdogGL(NULL, 0, NULL);
return true;
}
void rsdGLSwap(const android::renderscript::Context *rsc) {
RsdHal *dc = (RsdHal *)rsc->mHal.drv;
RSD_CALL_GL(eglSwapBuffers, dc->gl.egl.display, dc->gl.egl.surface);
}
void rsdGLCheckError(const android::renderscript::Context *rsc,
const char *msg, bool isFatal) {
GLenum err = glGetError();
if (err != GL_NO_ERROR) {
char buf[1024];
snprintf(buf, sizeof(buf), "GL Error = 0x%08x, from: %s", err, msg);
if (isFatal) {
rsc->setError(RS_ERROR_FATAL_DRIVER, buf);
} else {
switch (err) {
case GL_OUT_OF_MEMORY:
rsc->setError(RS_ERROR_OUT_OF_MEMORY, buf);
break;
default:
rsc->setError(RS_ERROR_DRIVER, buf);
break;
}
}
ALOGE("%p, %s", rsc, buf);
}
}