blob: 2106eb445f777d84e18ad2a79b8b581d6db2fc28 [file] [log] [blame]
/*
* 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.
*/
#define LOG_TAG "OpenGLRenderer"
#include <EGL/egl.h>
#include "jni.h"
#include "GraphicsJNI.h"
#include <nativehelper/JNIHelp.h>
#include <android_runtime/AndroidRuntime.h>
#include <android_runtime/android_graphics_SurfaceTexture.h>
#include <utils/ResourceTypes.h>
#include <gui/SurfaceTexture.h>
#include <SkBitmap.h>
#include <SkCanvas.h>
#include <SkMatrix.h>
#include <SkPaint.h>
#include <SkRegion.h>
#include <SkScalerContext.h>
#include <SkTemplates.h>
#include <SkXfermode.h>
#include <DisplayListRenderer.h>
#include <LayerRenderer.h>
#include <OpenGLRenderer.h>
#include <SkiaShader.h>
#include <SkiaColorFilter.h>
#include <Rect.h>
#include <TextLayout.h>
namespace android {
using namespace uirenderer;
/**
* Note: OpenGLRenderer JNI layer is generated and compiled only on supported
* devices. This means all the logic must be compiled only when the
* preprocessor variable USE_OPENGL_RENDERER is defined.
*/
#ifdef USE_OPENGL_RENDERER
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#define DEBUG_RENDERER 0
// Debug
#if DEBUG_RENDERER
#define RENDERER_LOGD(...) LOGD(__VA_ARGS__)
#else
#define RENDERER_LOGD(...)
#endif
#define MODIFIER_SHADOW 1
#define MODIFIER_SHADER 2
#define MODIFIER_COLOR_FILTER 4
// ----------------------------------------------------------------------------
static struct {
jmethodID set;
} gRectClassInfo;
// ----------------------------------------------------------------------------
// Misc
// ----------------------------------------------------------------------------
static jboolean android_view_GLES20Canvas_preserveBackBuffer(JNIEnv* env, jobject clazz) {
EGLDisplay display = eglGetCurrentDisplay();
EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
eglGetError();
eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
EGLint error = eglGetError();
if (error != EGL_SUCCESS) {
RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error);
}
return error == EGL_SUCCESS;
}
static jboolean android_view_GLES20Canvas_isBackBufferPreserved(JNIEnv* env, jobject clazz) {
EGLDisplay display = eglGetCurrentDisplay();
EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
EGLint value;
eglGetError();
eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &value);
EGLint error = eglGetError();
if (error != EGL_SUCCESS) {
RENDERER_LOGD("Could not query buffer preserved swap behavior (%x)", error);
}
return error == EGL_SUCCESS && value == EGL_BUFFER_PRESERVED;
}
// ----------------------------------------------------------------------------
// Constructors
// ----------------------------------------------------------------------------
static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) {
RENDERER_LOGD("Create OpenGLRenderer");
return new OpenGLRenderer;
}
static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer) {
RENDERER_LOGD("Destroy OpenGLRenderer");
delete renderer;
}
// ----------------------------------------------------------------------------
// Setup
// ----------------------------------------------------------------------------
static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jint width, jint height) {
renderer->setViewport(width, height);
}
static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jboolean opaque) {
renderer->prepare(opaque);
}
static void android_view_GLES20Canvas_prepareDirty(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom,
jboolean opaque) {
renderer->prepareDirty(left, top, right, bottom, opaque);
}
static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer) {
renderer->finish();
}
static bool android_view_GLES20Canvas_callDrawGLFunction(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, Functor *functor) {
android::uirenderer::Rect dirty;
return renderer->callDrawGLFunction(functor, dirty);
}
static jint android_view_GLES20Canvas_getMaxTextureWidth(JNIEnv* env, jobject clazz) {
return Caches::getInstance().maxTextureSize;
}
static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject clazz) {
return Caches::getInstance().maxTextureSize;
}
// ----------------------------------------------------------------------------
// State
// ----------------------------------------------------------------------------
static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject clazz, OpenGLRenderer* renderer,
jint flags) {
return renderer->save(flags);
}
static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer) {
return renderer->getSaveCount();
}
static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer) {
renderer->restore();
}
static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jint saveCount) {
renderer->restoreToCount(saveCount);
}
// ----------------------------------------------------------------------------
// Layers
// ----------------------------------------------------------------------------
static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
SkPaint* paint, jint saveFlags) {
return renderer->saveLayer(left, top, right, bottom, paint, saveFlags);
}
static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
jint alpha, jint saveFlags) {
return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags);
}
// ----------------------------------------------------------------------------
// Clipping
// ----------------------------------------------------------------------------
static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
SkCanvas::EdgeType edge) {
return renderer->quickReject(left, top, right, bottom);
}
static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
SkRegion::Op op) {
return renderer->clipRect(left, top, right, bottom, op);
}
static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom,
SkRegion::Op op) {
return renderer->clipRect(float(left), float(top), float(right), float(bottom), op);
}
static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jobject rect) {
const android::uirenderer::Rect& bounds(renderer->getClipBounds());
env->CallVoidMethod(rect, gRectClassInfo.set,
int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
return !bounds.isEmpty();
}
// ----------------------------------------------------------------------------
// Transforms
// ----------------------------------------------------------------------------
static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat dx, jfloat dy) {
renderer->translate(dx, dy);
}
static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat degrees) {
renderer->rotate(degrees);
}
static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat sx, jfloat sy) {
renderer->scale(sx, sy);
}
static void android_view_GLES20Canvas_skew(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat sx, jfloat sy) {
renderer->skew(sx, sy);
}
static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkMatrix* matrix) {
renderer->setMatrix(matrix);
}
static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env,
jobject clazz, OpenGLRenderer* renderer) {
return renderer->getMatrix();
}
static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkMatrix* matrix) {
renderer->getMatrix(matrix);
}
static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkMatrix* matrix) {
renderer->concatMatrix(matrix);
}
// ----------------------------------------------------------------------------
// Drawing
// ----------------------------------------------------------------------------
static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left,
float top, SkPaint* paint) {
// This object allows the renderer to allocate a global JNI ref to the buffer object.
JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
renderer->drawBitmap(bitmap, left, top, paint);
}
static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer,
float srcLeft, float srcTop, float srcRight, float srcBottom,
float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) {
// This object allows the renderer to allocate a global JNI ref to the buffer object.
JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom,
dstLeft, dstTop, dstRight, dstBottom, paint);
}
static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix,
SkPaint* paint) {
// This object allows the renderer to allocate a global JNI ref to the buffer object.
JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
renderer->drawBitmap(bitmap, matrix, paint);
}
static void android_view_GLES20Canvas_drawBitmapMesh(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer,
jint meshWidth, jint meshHeight, jfloatArray vertices, jint offset,
jintArray colors, jint colorOffset, SkPaint* paint) {
// This object allows the renderer to allocate a global JNI ref to the buffer object.
JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
jfloat* verticesArray = vertices ? env->GetFloatArrayElements(vertices, NULL) + offset : NULL;
jint* colorsArray = colors ? env->GetIntArrayElements(colors, NULL) + colorOffset : NULL;
renderer->drawBitmapMesh(bitmap, meshWidth, meshHeight, verticesArray, colorsArray, paint);
if (vertices) env->ReleaseFloatArrayElements(vertices, verticesArray, 0);
if (colors) env->ReleaseIntArrayElements(colors, colorsArray, 0);
}
static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks,
float left, float top, float right, float bottom, SkPaint* paint) {
// This object allows the renderer to allocate a global JNI ref to the buffer object.
JavaHeapBitmapRef bitmapRef(env, bitmap, buffer);
jbyte* storage = env->GetByteArrayElements(chunks, NULL);
Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage);
Res_png_9patch::deserialize(patch);
renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0],
&patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors,
left, top, right, bottom, paint);
env->ReleaseByteArrayElements(chunks, storage, 0);
}
static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) {
renderer->drawColor(color, mode);
}
static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
SkPaint* paint) {
renderer->drawRect(left, top, right, bottom, paint);
}
static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
jfloat rx, jfloat ry, SkPaint* paint) {
renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint);
}
static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) {
renderer->drawCircle(x, y, radius, paint);
}
static void android_view_GLES20Canvas_drawOval(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
SkPaint* paint) {
renderer->drawOval(left, top, right, bottom, paint);
}
static void android_view_GLES20Canvas_drawArc(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
jfloat startAngle, jfloat sweepAngle, jboolean useCenter, SkPaint* paint) {
renderer->drawArc(left, top, right, bottom, startAngle, sweepAngle, useCenter, paint);
}
static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) {
SkRegion::Iterator it(*region);
while (!it.done()) {
const SkIRect& r = it.rect();
renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint);
it.next();
}
}
static void android_view_GLES20Canvas_drawPoints(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) {
jfloat* storage = env->GetFloatArrayElements(points, NULL);
renderer->drawPoints(storage + offset, count, paint);
env->ReleaseFloatArrayElements(points, storage, 0);
}
static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) {
renderer->drawPath(path, paint);
}
static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) {
jfloat* storage = env->GetFloatArrayElements(points, NULL);
renderer->drawLines(storage + offset, count, paint);
env->ReleaseFloatArrayElements(points, storage, 0);
}
// ----------------------------------------------------------------------------
// Shaders and color filters
// ----------------------------------------------------------------------------
static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jint modifiers) {
if (modifiers & MODIFIER_SHADOW) renderer->resetShadow();
if (modifiers & MODIFIER_SHADER) renderer->resetShader();
if (modifiers & MODIFIER_COLOR_FILTER) renderer->resetColorFilter();
}
static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkiaShader* shader) {
renderer->setupShader(shader);
}
static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, SkiaColorFilter* filter) {
renderer->setupColorFilter(filter);
}
static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) {
renderer->setupShadow(radius, dx, dy, color);
}
// ----------------------------------------------------------------------------
// Text
// ----------------------------------------------------------------------------
static void renderText(OpenGLRenderer* renderer, const jchar* text, int count,
jfloat x, jfloat y, int flags, SkPaint* paint) {
#if RTL_USE_HARFBUZZ
sp<TextLayoutCacheValue> value;
#if USE_TEXT_LAYOUT_CACHE
value = gTextLayoutCache.getValue(paint, text, 0, count, count, flags);
if (value == NULL) {
LOGE("Cannot get TextLayoutCache value");
return ;
}
#else
value = new TextLayoutCacheValue();
value->computeValues(paint, text, 0, count, count, flags);
#endif
#if DEBUG_GLYPHS
logGlyphs(value);
#endif
const jchar* glyphArray = value->getGlyphs();
int glyphCount = value->getGlyphsCount();
int bytesCount = glyphCount * sizeof(jchar);
renderer->drawText((const char*) glyphArray, bytesCount, glyphCount, x, y, paint);
#else
const jchar *workText;
jchar* buffer = NULL;
int32_t workBytes;
if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) {
renderer->drawText((const char*) workText, workBytes, count, x, y, paint);
free(buffer);
}
#endif
}
static void renderTextRun(OpenGLRenderer* renderer, const jchar* text,
jint start, jint count, jint contextCount, jfloat x, jfloat y,
int flags, SkPaint* paint) {
#if RTL_USE_HARFBUZZ
sp<TextLayoutCacheValue> value;
#if USE_TEXT_LAYOUT_CACHE
value = gTextLayoutCache.getValue(paint, text, start, count, contextCount, flags);
if (value == NULL) {
LOGE("Cannot get TextLayoutCache value");
return ;
}
#else
value = new TextLayoutCacheValue();
value->computeValues(paint, text, start, count, contextCount, flags);
#endif
#if DEBUG_GLYPHS
logGlyphs(value);
#endif
const jchar* glyphArray = value->getGlyphs();
int glyphCount = value->getGlyphsCount();
int bytesCount = glyphCount * sizeof(jchar);
renderer->drawText((const char*) glyphArray, bytesCount, glyphCount, x, y, paint);
#else
uint8_t rtl = flags & 0x1;
if (rtl) {
SkAutoSTMalloc<80, jchar> buffer(contextCount);
jchar* shaped = buffer.get();
if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) {
renderer->drawText((const char*) shaped, count << 1, count, x, y, paint);
} else {
LOGW("drawTextRun error");
}
} else {
renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint);
}
#endif
}
static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jcharArray text, jint index, jint count,
jfloat x, jfloat y, jint flags, SkPaint* paint) {
jchar* textArray = env->GetCharArrayElements(text, NULL);
renderText(renderer, textArray + index, count, x, y, flags, paint);
env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
}
static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jstring text, jint start, jint end,
jfloat x, jfloat y, jint flags, SkPaint* paint) {
const jchar* textArray = env->GetStringChars(text, NULL);
renderText(renderer, textArray + start, end - start, x, y, flags, paint);
env->ReleaseStringChars(text, textArray);
}
static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jcharArray text, jint index, jint count,
jint contextIndex, jint contextCount, jfloat x, jfloat y, jint dirFlags,
SkPaint* paint) {
jchar* textArray = env->GetCharArrayElements(text, NULL);
renderTextRun(renderer, textArray + contextIndex, index - contextIndex,
count, contextCount, x, y, dirFlags, paint);
env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
}
static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, jstring text, jint start, jint end,
jint contextStart, int contextEnd, jfloat x, jfloat y, jint dirFlags,
SkPaint* paint) {
const jchar* textArray = env->GetStringChars(text, NULL);
jint count = end - start;
jint contextCount = contextEnd - contextStart;
renderTextRun(renderer, textArray + contextStart, start - contextStart,
count, contextCount, x, y, dirFlags, paint);
env->ReleaseStringChars(text, textArray);
}
// ----------------------------------------------------------------------------
// Display lists
// ----------------------------------------------------------------------------
static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env,
jobject clazz, DisplayListRenderer* renderer) {
return renderer->getDisplayList();
}
static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env,
jobject clazz, DisplayListRenderer* renderer) {
if (renderer == NULL) {
renderer = new DisplayListRenderer;
} else {
renderer->reset();
}
return renderer;
}
static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env,
jobject clazz, DisplayList* displayList) {
delete displayList;
}
static bool android_view_GLES20Canvas_drawDisplayList(JNIEnv* env,
jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList,
jint width, jint height, jobject dirty) {
android::uirenderer::Rect bounds;
bool redraw = renderer->drawDisplayList(displayList, width, height, bounds);
if (redraw && dirty != NULL) {
env->CallVoidMethod(dirty, gRectClassInfo.set,
int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom));
}
return redraw;
}
static void android_view_GLES20Canvas_outputDisplayList(JNIEnv* env,
jobject clazz, OpenGLRenderer* renderer, DisplayList* displayList) {
renderer->outputDisplayList(displayList);
}
// ----------------------------------------------------------------------------
// Layers
// ----------------------------------------------------------------------------
static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer) {
renderer->interrupt();
}
static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer) {
renderer->resume();
}
static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env,
jobject clazz, Layer* layer) {
if (layer) {
return new LayerRenderer(layer);
}
return NULL;
}
static Layer* android_view_GLES20Canvas_createTextureLayer(JNIEnv* env, jobject clazz,
jboolean isOpaque, jintArray layerInfo) {
Layer* layer = LayerRenderer::createTextureLayer(isOpaque);
if (layer) {
jint* storage = env->GetIntArrayElements(layerInfo, NULL);
storage[0] = layer->texture;
env->ReleaseIntArrayElements(layerInfo, storage, 0);
}
return layer;
}
static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz,
jint width, jint height, jboolean isOpaque, jintArray layerInfo) {
Layer* layer = LayerRenderer::createLayer(width, height, isOpaque);
if (layer) {
jint* storage = env->GetIntArrayElements(layerInfo, NULL);
storage[0] = layer->width;
storage[1] = layer->height;
env->ReleaseIntArrayElements(layerInfo, storage, 0);
}
return layer;
}
static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz,
Layer* layer, jint width, jint height, jintArray layerInfo) {
LayerRenderer::resizeLayer(layer, width, height);
jint* storage = env->GetIntArrayElements(layerInfo, NULL);
storage[0] = layer->width;
storage[1] = layer->height;
env->ReleaseIntArrayElements(layerInfo, storage, 0);
}
static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject clazz,
Layer* layer, jint width, jint height, jboolean isOpaque, jobject surface) {
float transform[16];
sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface));
surfaceTexture->updateTexImage();
surfaceTexture->getTransformMatrix(transform);
GLenum renderTarget = surfaceTexture->getCurrentTextureTarget();
LayerRenderer::updateTextureLayer(layer, width, height, isOpaque, renderTarget, transform);
}
static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) {
LayerRenderer::destroyLayer(layer);
}
static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env,
jobject clazz, Layer* layer) {
LayerRenderer::destroyLayerDeferred(layer);
}
static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject clazz,
OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) {
renderer->drawLayer(layer, x, y, paint);
}
static jboolean android_view_GLES20Canvas_copyLayer(JNIEnv* env, jobject clazz,
Layer* layer, SkBitmap* bitmap) {
return LayerRenderer::copyLayer(layer, bitmap);
}
#endif // USE_OPENGL_RENDERER
// ----------------------------------------------------------------------------
// Common
// ----------------------------------------------------------------------------
static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) {
#ifdef USE_OPENGL_RENDERER
return JNI_TRUE;
#else
return JNI_FALSE;
#endif
}
// ----------------------------------------------------------------------------
// Logging
// ----------------------------------------------------------------------------
static void
android_app_ActivityThread_dumpGraphics(JNIEnv* env, jobject clazz, jobject javaFileDescriptor)
{
#ifdef USE_OPENGL_RENDERER
int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
android::uirenderer::DisplayList::outputLogBuffer(fd);
#endif // USE_OPENGL_RENDERER
}
// ----------------------------------------------------------------------------
// JNI Glue
// ----------------------------------------------------------------------------
const char* const kClassPathName = "android/view/GLES20Canvas";
static JNINativeMethod gMethods[] = {
{ "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable },
#ifdef USE_OPENGL_RENDERER
{ "nIsBackBufferPreserved", "()Z", (void*) android_view_GLES20Canvas_isBackBufferPreserved },
{ "nPreserveBackBuffer", "()Z", (void*) android_view_GLES20Canvas_preserveBackBuffer },
{ "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer },
{ "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer },
{ "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport },
{ "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare },
{ "nPrepareDirty", "(IIIIIZ)V", (void*) android_view_GLES20Canvas_prepareDirty },
{ "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish },
{ "nCallDrawGLFunction", "(II)Z",
(void*) android_view_GLES20Canvas_callDrawGLFunction },
{ "nSave", "(II)I", (void*) android_view_GLES20Canvas_save },
{ "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore },
{ "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount },
{ "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount },
{ "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer },
{ "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha },
{ "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject },
{ "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF },
{ "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect },
{ "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate },
{ "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate },
{ "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale },
{ "nSkew", "(IFF)V", (void*) android_view_GLES20Canvas_skew },
{ "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix },
{ "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix },
{ "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix },
{ "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix },
{ "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap },
{ "nDrawBitmap", "(II[BFFFFFFFFI)V",(void*) android_view_GLES20Canvas_drawBitmapRect },
{ "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix },
{ "nDrawBitmapMesh", "(II[BII[FI[III)V",(void*) android_view_GLES20Canvas_drawBitmapMesh },
{ "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch },
{ "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor },
{ "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect },
{ "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects },
{ "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect },
{ "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle },
{ "nDrawOval", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawOval },
{ "nDrawArc", "(IFFFFFFZI)V", (void*) android_view_GLES20Canvas_drawArc },
{ "nDrawPoints", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawPoints },
{ "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath },
{ "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines },
{ "nResetModifiers", "(II)V", (void*) android_view_GLES20Canvas_resetModifiers },
{ "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader },
{ "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter },
{ "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow },
{ "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray },
{ "nDrawText", "(ILjava/lang/String;IIFFII)V",
(void*) android_view_GLES20Canvas_drawText },
{ "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray },
{ "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V",
(void*) android_view_GLES20Canvas_drawTextRun },
{ "nGetClipBounds", "(ILandroid/graphics/Rect;)Z",
(void*) android_view_GLES20Canvas_getClipBounds },
{ "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList },
{ "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList },
{ "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer },
{ "nDrawDisplayList", "(IIIILandroid/graphics/Rect;)Z",
(void*) android_view_GLES20Canvas_drawDisplayList },
{ "nOutputDisplayList", "(II)V", (void*) android_view_GLES20Canvas_outputDisplayList },
{ "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt },
{ "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume },
{ "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer },
{ "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer },
{ "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer },
{ "nCreateTextureLayer", "(Z[I)I", (void*) android_view_GLES20Canvas_createTextureLayer },
{ "nUpdateTextureLayer", "(IIIZLandroid/graphics/SurfaceTexture;)V",
(void*) android_view_GLES20Canvas_updateTextureLayer },
{ "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer },
{ "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred },
{ "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer },
{ "nCopyLayer", "(II)Z", (void*) android_view_GLES20Canvas_copyLayer },
{ "nGetMaximumTextureWidth", "()I", (void*) android_view_GLES20Canvas_getMaxTextureWidth },
{ "nGetMaximumTextureHeight", "()I", (void*) android_view_GLES20Canvas_getMaxTextureHeight },
#endif
};
static JNINativeMethod gActivityThreadMethods[] = {
{ "dumpGraphicsInfo", "(Ljava/io/FileDescriptor;)V",
(void*) android_app_ActivityThread_dumpGraphics }
};
#ifdef USE_OPENGL_RENDERER
#define FIND_CLASS(var, className) \
var = env->FindClass(className); \
LOG_FATAL_IF(! var, "Unable to find class " className);
#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \
var = env->GetMethodID(clazz, methodName, methodDescriptor); \
LOG_FATAL_IF(! var, "Unable to find method " methodName);
#else
#define FIND_CLASS(var, className)
#define GET_METHOD_ID(var, clazz, methodName, methodDescriptor)
#endif
int register_android_view_GLES20Canvas(JNIEnv* env) {
jclass clazz;
FIND_CLASS(clazz, "android/graphics/Rect");
GET_METHOD_ID(gRectClassInfo.set, clazz, "set", "(IIII)V");
return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods));
}
const char* const kActivityThreadPathName = "android/app/ActivityThread";
int register_android_app_ActivityThread(JNIEnv* env)
{
return AndroidRuntime::registerNativeMethods(
env, kActivityThreadPathName,
gActivityThreadMethods, NELEM(gActivityThreadMethods));
}
};