mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "ColorLayerOGL.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
static void
|
|
RenderColorLayer(ColorLayer* aLayer, LayerManagerOGL *aManager,
|
|
const nsIntPoint& aOffset)
|
|
{
|
|
if (aManager->CompositingDisabled()) {
|
|
return;
|
|
}
|
|
|
|
aManager->MakeCurrent();
|
|
|
|
// XXX we might be able to improve performance by using glClear
|
|
|
|
nsIntRect visibleRect = aLayer->GetEffectiveVisibleRegion().GetBounds();
|
|
|
|
/* Multiply color by the layer opacity, as the shader
|
|
* ignores layer opacity and expects a final color to
|
|
* write to the color buffer. This saves a needless
|
|
* multiply in the fragment shader.
|
|
*/
|
|
gfxRGBA color(aLayer->GetColor());
|
|
float opacity = aLayer->GetEffectiveOpacity() * color.a;
|
|
color.r *= opacity;
|
|
color.g *= opacity;
|
|
color.b *= opacity;
|
|
color.a = opacity;
|
|
|
|
ShaderProgramOGL *program = aManager->GetProgram(ColorLayerProgramType,
|
|
aLayer->GetMaskLayer());
|
|
program->Activate();
|
|
program->SetLayerQuadRect(visibleRect);
|
|
program->SetLayerTransform(aLayer->GetEffectiveTransform());
|
|
program->SetRenderOffset(aOffset);
|
|
program->SetRenderColor(color);
|
|
program->LoadMask(aLayer->GetMaskLayer());
|
|
|
|
aManager->BindAndDrawQuad(program);
|
|
}
|
|
|
|
void
|
|
ColorLayerOGL::RenderLayer(int,
|
|
const nsIntPoint& aOffset)
|
|
{
|
|
RenderColorLayer(this, mOGLManager, aOffset);
|
|
}
|
|
|
|
} /* layers */
|
|
} /* mozilla */
|