| /* |
| * 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 <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); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // 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, |
| jintArray layerInfo) { |
| Layer* layer = LayerRenderer::createTextureLayer(); |
| |
| 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, SurfaceTexture* surface) { |
| float transform[16]; |
| surface->updateTexImage(); |
| surface->getTransformMatrix(transform); |
| GLenum renderTarget = surface->getCurrentTextureTarget(); |
| |
| LayerRenderer::updateTextureLayer(layer, width, height, 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); |
| } |
| |
| #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", "([I)I", (void*) android_view_GLES20Canvas_createTextureLayer }, |
| { "nUpdateTextureLayer", "(IIII)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 }, |
| |
| #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)); |
| } |
| |
| }; |
