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https://gitlab.winehq.org/wine/wine-gecko.git
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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ColorLayerOGL.h"
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namespace mozilla {
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namespace layers {
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static void
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RenderColorLayer(ColorLayer* aLayer, LayerManagerOGL *aManager,
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const nsIntPoint& aOffset)
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{
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if (aManager->CompositingDisabled()) {
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return;
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}
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aManager->MakeCurrent();
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// XXX we might be able to improve performance by using glClear
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nsIntRect visibleRect = aLayer->GetEffectiveVisibleRegion().GetBounds();
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/* Multiply color by the layer opacity, as the shader
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* ignores layer opacity and expects a final color to
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* write to the color buffer. This saves a needless
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* multiply in the fragment shader.
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*/
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gfxRGBA color(aLayer->GetColor());
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float opacity = aLayer->GetEffectiveOpacity() * color.a;
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color.r *= opacity;
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color.g *= opacity;
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color.b *= opacity;
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color.a = opacity;
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ShaderProgramOGL *program = aManager->GetProgram(gl::ColorLayerProgramType,
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aLayer->GetMaskLayer());
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program->Activate();
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program->SetLayerQuadRect(visibleRect);
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program->SetLayerTransform(aLayer->GetEffectiveTransform());
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program->SetRenderOffset(aOffset);
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program->SetRenderColor(color);
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program->LoadMask(aLayer->GetMaskLayer());
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aManager->BindAndDrawQuad(program);
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}
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void
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ColorLayerOGL::RenderLayer(int,
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const nsIntPoint& aOffset)
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{
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RenderColorLayer(this, mOGLManager, aOffset);
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}
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void
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ShadowColorLayerOGL::RenderLayer(int,
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const nsIntPoint& aOffset)
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{
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RenderColorLayer(this, mOGLManager, aOffset);
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}
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} /* layers */
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} /* mozilla */
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