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Commit 39d252a6 authored by Romain Guy's avatar Romain Guy
Browse files

Various OpenGL optimizations 

Change-Id: Ib0742c96f10f5f50e7e5148b742c31b6c232d127
parent f44e66fc

libs/hwui/GradientCache.cpp

+2 −2
Original line number Diff line number Diff line
@@ -171,8 +171,8 @@ void GradientCache::generateTexture(SkBitmap* bitmap, Texture* texture) { 
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bitmap->rowBytesAsPixels(), texture->height, 0,

            GL_RGBA, GL_UNSIGNED_BYTE, bitmap->getPixels());



    texture->setFilter(GL_LINEAR, GL_LINEAR);

    texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);

    texture->setFilter(GL_LINEAR);

    texture->setWrap(GL_CLAMP_TO_EDGE);

}



}; // namespace uirenderer

libs/hwui/LayerCache.cpp

+2 −2
Original line number Diff line number Diff line
@@ -108,8 +108,8 @@ Layer* LayerCache::get(const uint32_t width, const uint32_t height) { 


        layer->generateTexture();

        layer->bindTexture();

        layer->setFilter(GL_NEAREST, GL_NEAREST);

        layer->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, false);

        layer->setFilter(GL_NEAREST);

        layer->setWrap(GL_CLAMP_TO_EDGE, false);

        glPixelStorei(GL_UNPACK_ALIGNMENT, 4);



#if DEBUG_LAYERS

libs/hwui/LayerRenderer.cpp

+2 −0
Original line number Diff line number Diff line
@@ -458,6 +458,8 @@ bool LayerRenderer::copyLayer(Layer* layer, SkBitmap* bitmap) { 
        }



error:

        glEnable(GL_SCISSOR_TEST);



#if DEBUG_OPENGL

        if (error != GL_NO_ERROR) {

            LOGD("GL error while copying layer into bitmap = 0x%x", error);

libs/hwui/OpenGLRenderer.cpp

+5 −14
Original line number Diff line number Diff line
@@ -141,13 +141,9 @@ void OpenGLRenderer::setViewport(int width, int height) { 
    mFirstSnapshot->height = height;

    mFirstSnapshot->viewport.set(0, 0, width, height);



    mDirtyClip = false;



    glDisable(GL_DITHER);

    glViewport(0, 0, width, height);



    glEnable(GL_SCISSOR_TEST);

    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);



    glEnableVertexAttribArray(Program::kBindingPosition);

}
@@ -161,12 +157,13 @@ void OpenGLRenderer::prepareDirty(float left, float top, float right, float bott 
    mSnapshot = new Snapshot(mFirstSnapshot,

            SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);

    mSnapshot->fbo = getTargetFbo();



    mSaveCount = 1;



    glEnable(GL_SCISSOR_TEST);

    glViewport(0, 0, mWidth, mHeight);

    glScissor(left, mSnapshot->height - bottom, right - left, bottom - top);



    mSnapshot->setClip(left, top, right, bottom);

    mDirtyClip = false;



    if (!opaque) {

        glClear(GL_COLOR_BUFFER_BIT);
@@ -214,13 +211,9 @@ void OpenGLRenderer::resume() { 
    glEnable(GL_SCISSOR_TEST);

    dirtyClip();



    glDisable(GL_DITHER);



    glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo);

    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);



    glEnableVertexAttribArray(Program::kBindingPosition);



    mCaches.blend = true;

    glEnable(GL_BLEND);

    glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode);
@@ -916,10 +909,8 @@ void OpenGLRenderer::clearLayerRegions() { 
        setupDrawProgram();

        setupDrawPureColorUniforms();

        setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true);

        setupDrawVertices(&mesh[0].position[0]);



        mCaches.unbindMeshBuffer();

        glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE,

                gVertexStride, &mesh[0].position[0]);

        glDrawArrays(GL_TRIANGLES, 0, count * 6);



        glEnable(GL_SCISSOR_TEST);

libs/hwui/TextDropShadowCache.cpp

+2 −2
Original line number Diff line number Diff line
@@ -137,8 +137,8 @@ ShadowTexture* TextDropShadowCache::get(SkPaint* paint, const char* text, uint32 
        glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, texture->width, texture->height, 0,

                GL_ALPHA, GL_UNSIGNED_BYTE, shadow.image);



        texture->setFilter(GL_LINEAR, GL_LINEAR);

        texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);

        texture->setFilter(GL_LINEAR);

        texture->setWrap(GL_CLAMP_TO_EDGE);



        if (size < mMaxSize) {

            if (mDebugEnabled) {