зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1012407 - Part 2: Use Moz2D to draw velocity graph and elminiate use of GL_LINE_STRIP (r=Bas)
This commit is contained in:
Andreas Gal
Родитель
202b439890
Коммит
013ca12b06
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@ -308,15 +308,6 @@ public:
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const EffectChain& aEffectChain,
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gfx::Float aOpacity, const gfx::Matrix4x4 &aTransform) = 0;
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/**
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* Tell the compositor to draw lines connecting the points. Behaves like
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* DrawQuad.
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*/
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virtual void DrawLines(const std::vector<gfx::Point>& aLines, const gfx::Rect& aClipRect,
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const gfx::Color& aColor,
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gfx::Float aOpacity, const gfx::Matrix4x4 &aTransform)
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{ /* Should turn into pure virtual once implemented in D3D */ }
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/*
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* Clear aRect on current render target.
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*/
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@ -36,6 +36,8 @@
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namespace mozilla {
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namespace layers {
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using namespace gfx;
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/**
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* Returns a rectangle of content painted opaquely by aLayer. Very consertative;
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* bails by returning an empty rect in any tricky situations.
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@ -204,35 +206,46 @@ static void DrawVelGraph(const nsIntRect& aClipRect,
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aManager->SetDebugOverlayWantsNextFrame(true);
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const gfx::Matrix4x4& transform = aLayer->GetEffectiveTransform();
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const Matrix4x4& transform = aLayer->GetEffectiveTransform();
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nsIntRect bounds = aLayer->GetEffectiveVisibleRegion().GetBounds();
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gfx::Rect graphBounds = gfx::Rect(bounds.x, bounds.y,
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bounds.width, bounds.height);
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gfx::Rect graphRect = gfx::Rect(bounds.x, bounds.y, 200, 100);
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IntSize graphSize = IntSize(200, 100);
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Rect graphRect = Rect(bounds.x, bounds.y, graphSize.width, graphSize.height);
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float opacity = 1.0;
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EffectChain effects;
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effects.mPrimaryEffect = new EffectSolidColor(gfx::Color(0.2f,0,0,1));
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compositor->DrawQuad(graphRect,
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clipRect,
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effects,
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opacity,
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transform);
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RefPtr<DrawTarget> dt = aManager->CreateDrawTarget(graphSize, SurfaceFormat::B8G8R8A8);
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dt->FillRect(Rect(0, 0, graphSize.width, graphSize.height),
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ColorPattern(Color(0.2f,0,0,1)));
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std::vector<gfx::Point> graph;
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int yScaleFactor = 3;
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Point prev = Point(0,0);
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bool first = true;
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for (int32_t i = (int32_t)velocityData->mData.size() - 2; i >= 0; i--) {
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const gfx::Point& p1 = velocityData->mData[i+1].mPoint;
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const gfx::Point& p2 = velocityData->mData[i].mPoint;
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int vel = sqrt((p1.x - p2.x) * (p1.x - p2.x) +
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(p1.y - p2.y) * (p1.y - p2.y));
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graph.push_back(
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gfx::Point(bounds.x + graphRect.width / circularBufferSize * i,
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graphBounds.y + graphRect.height - vel/yScaleFactor));
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Point next = Point(graphRect.width / circularBufferSize * i,
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graphRect.height - vel/yScaleFactor);
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if (first) {
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first = false;
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} else {
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dt->StrokeLine(prev, next, ColorPattern(Color(0,1,0,1)));
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}
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prev = next;
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}
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compositor->DrawLines(graph, clipRect, gfx::Color(0,1,0,1),
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opacity, transform);
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RefPtr<DataTextureSource> textureSource = compositor->CreateDataTextureSource();
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RefPtr<SourceSurface> snapshot = dt->Snapshot();
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RefPtr<DataSourceSurface> data = snapshot->GetDataSurface();
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textureSource->Update(data);
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EffectChain effectChain;
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effectChain.mPrimaryEffect = CreateTexturedEffect(SurfaceFormat::B8G8R8A8, textureSource, Filter::POINT);
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compositor->DrawQuad(graphRect,
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clipRect,
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effectChain,
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1.0f,
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transform);
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}
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// ContainerRender is shared between RefLayer and ContainerLayer
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@ -875,25 +875,6 @@ CompositorOGL::GetShaderProgramFor(const ShaderConfigOGL &aConfig)
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return shader;
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}
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void
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CompositorOGL::DrawLines(const std::vector<gfx::Point>& aLines, const gfx::Rect& aClipRect,
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const gfx::Color& aColor,
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gfx::Float aOpacity, const gfx::Matrix4x4 &aTransform)
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{
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mGLContext->fLineWidth(2.0);
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EffectChain effects;
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effects.mPrimaryEffect = new EffectSolidColor(aColor);
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for (int32_t i = 0; i < (int32_t)aLines.size() - 1; i++) {
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const gfx::Point& p1 = aLines[i];
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const gfx::Point& p2 = aLines[i+1];
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DrawQuadInternal(Rect(p1.x, p2.y, p2.x - p1.x, p1.y - p2.y),
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aClipRect, effects, aOpacity, aTransform,
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LOCAL_GL_LINE_STRIP);
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}
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}
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static bool SetBlendMode(GLContext* aGL, gfx::CompositionOp aBlendMode, bool aIsPremultiplied = true)
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{
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if (aBlendMode == gfx::CompositionOp::OP_OVER && aIsPremultiplied) {
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@ -934,8 +915,7 @@ CompositorOGL::DrawQuadInternal(const Rect& aRect,
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const Rect& aClipRect,
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const EffectChain &aEffectChain,
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Float aOpacity,
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const gfx::Matrix4x4 &aTransform,
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GLuint aDrawMode)
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const gfx::Matrix4x4 &aTransform)
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{
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PROFILER_LABEL("CompositorOGL", "DrawQuad");
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MOZ_ASSERT(mFrameInProgress, "frame not started");
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@ -1044,7 +1024,7 @@ CompositorOGL::DrawQuadInternal(const Rect& aRect,
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didSetBlendMode = SetBlendMode(gl(), blendMode);
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BindAndDrawQuad(program, aDrawMode);
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BindAndDrawQuad(program);
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}
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break;
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@ -1483,8 +1463,7 @@ CompositorOGL::QuadVBOTexCoordsAttrib(GLuint aAttribIndex) {
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void
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CompositorOGL::BindAndDrawQuad(GLuint aVertAttribIndex,
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GLuint aTexCoordAttribIndex,
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GLuint aDrawMode)
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GLuint aTexCoordAttribIndex)
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{
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BindQuadVBO();
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QuadVBOVerticesAttrib(aVertAttribIndex);
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@ -1495,21 +1474,15 @@ CompositorOGL::BindAndDrawQuad(GLuint aVertAttribIndex,
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}
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mGLContext->fEnableVertexAttribArray(aVertAttribIndex);
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if (aDrawMode == LOCAL_GL_LINE_STRIP) {
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mGLContext->fDrawArrays(aDrawMode, 1, 2);
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} else {
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mGLContext->fDrawArrays(aDrawMode, 0, 4);
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}
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mGLContext->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
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}
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void
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CompositorOGL::BindAndDrawQuad(ShaderProgramOGL *aProg,
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GLuint aDrawMode)
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CompositorOGL::BindAndDrawQuad(ShaderProgramOGL *aProg)
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{
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NS_ASSERTION(aProg->HasInitialized(), "Shader program not correctly initialized");
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BindAndDrawQuad(aProg->AttribLocation(ShaderProgramOGL::VertexCoordAttrib),
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aProg->AttribLocation(ShaderProgramOGL::TexCoordAttrib),
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aDrawMode);
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aProg->AttribLocation(ShaderProgramOGL::TexCoordAttrib));
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}
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GLuint
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@ -206,17 +206,9 @@ public:
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gfx::Float aOpacity,
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const gfx::Matrix4x4 &aTransform) MOZ_OVERRIDE
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{
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DrawQuadInternal(aRect, aClipRect, aEffectChain,
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aOpacity, aTransform, LOCAL_GL_TRIANGLE_STRIP);
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DrawQuadInternal(aRect, aClipRect, aEffectChain, aOpacity, aTransform);
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}
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virtual void DrawLines(const std::vector<gfx::Point>& aLines,
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const gfx::Rect& aClipRect,
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const gfx::Color& aColor,
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gfx::Float aOpacity,
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const gfx::Matrix4x4 &aTransform) MOZ_OVERRIDE;
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virtual void EndFrame() MOZ_OVERRIDE;
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virtual void SetFBAcquireFence(Layer* aLayer) MOZ_OVERRIDE;
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virtual void EndFrameForExternalComposition(const gfx::Matrix& aTransform) MOZ_OVERRIDE;
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@ -289,8 +281,7 @@ private:
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const gfx::Rect& aClipRect,
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const EffectChain &aEffectChain,
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gfx::Float aOpacity,
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const gfx::Matrix4x4 &aTransformi,
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GLuint aDrawMode);
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const gfx::Matrix4x4 &aTransform);
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virtual gfx::IntSize GetWidgetSize() const MOZ_OVERRIDE
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{
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@ -387,10 +378,8 @@ private:
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void QuadVBOVerticesAttrib(GLuint aAttribIndex);
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void QuadVBOTexCoordsAttrib(GLuint aAttribIndex);
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void BindAndDrawQuad(GLuint aVertAttribIndex,
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GLuint aTexCoordAttribIndex,
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GLuint aDrawMode = LOCAL_GL_TRIANGLE_STRIP);
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void BindAndDrawQuad(ShaderProgramOGL *aProg,
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GLuint aDrawMode = LOCAL_GL_TRIANGLE_STRIP);
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GLuint aTexCoordAttribIndex);
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void BindAndDrawQuad(ShaderProgramOGL *aProg);
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void BindAndDrawQuadWithTextureRect(ShaderProgramOGL *aProg,
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const gfx3DMatrix& aTextureTransform,
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const gfx::Rect& aTexCoordRect,
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