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https://gitlab.winehq.org/wine/wine-gecko.git
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a1bcd56fe8
Backed out changeset 6dd0a6cb9ab3 (bug 946958) Backed out changeset 498152aec5b1 (bug 946958) Backed out changeset 7d035322f51d (bug 946958) Backed out changeset 99f8ad7561ef (bug 946958) Backed out changeset 4639c5abea80 (bug 946958) Backed out changeset 9d1a4d83eccf (bug 865033) Backed out changeset 41839e4026bc (bug 865033)
347 lines
12 KiB
C++
347 lines
12 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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#ifndef MOZILLA_GFX_COMPOSITOROGL_H
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#define MOZILLA_GFX_COMPOSITOROGL_H
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#include "GLContextTypes.h" // for GLContext, etc
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#include "GLDefs.h" // for GLuint, LOCAL_GL_TEXTURE_2D, etc
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#include "OGLShaderProgram.h" // for ShaderProgramOGL, etc
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#include "Units.h" // for ScreenPoint
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#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
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#include "mozilla/Attributes.h" // for MOZ_OVERRIDE, MOZ_FINAL
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#include "mozilla/RefPtr.h" // for TemporaryRef, RefPtr
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#include "mozilla/gfx/2D.h" // for DrawTarget
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/gfx/Point.h" // for IntSize, Point
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#include "mozilla/gfx/Rect.h" // for Rect, IntRect
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#include "mozilla/gfx/Types.h" // for Float, SurfaceFormat, etc
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#include "mozilla/layers/Compositor.h" // for SurfaceInitMode, Compositor, etc
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#include "mozilla/layers/CompositorTypes.h" // for MaskType::NumMaskTypes, etc
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#include "mozilla/layers/LayersTypes.h"
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#include "nsAutoPtr.h" // for nsRefPtr, nsAutoPtr
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#include "nsCOMPtr.h" // for already_AddRefed
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#include "nsDebug.h" // for NS_ASSERTION, NS_WARNING
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#include "nsSize.h" // for nsIntSize
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#include "nsTArray.h" // for nsAutoTArray, nsTArray, etc
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#include "nsThreadUtils.h" // for nsRunnable
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#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR, etc
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#include "nsXULAppAPI.h" // for XRE_GetProcessType
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#include "nscore.h" // for NS_IMETHOD
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#include "VBOArena.h" // for gl::VBOArena
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class gfx3DMatrix;
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class nsIWidget;
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struct gfxMatrix;
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namespace mozilla {
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class TimeStamp;
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namespace gfx {
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class Matrix4x4;
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}
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namespace layers {
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class CompositingRenderTarget;
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class CompositingRenderTargetOGL;
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class DataTextureSource;
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class GLManagerCompositor;
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class TextureSource;
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struct Effect;
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struct EffectChain;
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struct FPSState;
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class CompositorOGL : public Compositor
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{
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typedef mozilla::gl::GLContext GLContext;
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typedef ShaderProgramType ProgramType;
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friend class GLManagerCompositor;
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public:
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CompositorOGL(nsIWidget *aWidget, int aSurfaceWidth = -1, int aSurfaceHeight = -1,
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bool aUseExternalSurfaceSize = false);
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virtual ~CompositorOGL();
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virtual TemporaryRef<DataTextureSource>
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CreateDataTextureSource(TextureFlags aFlags = 0) MOZ_OVERRIDE;
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virtual bool Initialize() MOZ_OVERRIDE;
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virtual void Destroy() MOZ_OVERRIDE;
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virtual TextureFactoryIdentifier GetTextureFactoryIdentifier() MOZ_OVERRIDE
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{
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return TextureFactoryIdentifier(LAYERS_OPENGL,
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XRE_GetProcessType(),
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GetMaxTextureSize(),
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mFBOTextureTarget == LOCAL_GL_TEXTURE_2D,
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SupportsPartialTextureUpdate());
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}
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virtual TemporaryRef<CompositingRenderTarget>
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CreateRenderTarget(const gfx::IntRect &aRect, SurfaceInitMode aInit) MOZ_OVERRIDE;
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virtual TemporaryRef<CompositingRenderTarget>
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CreateRenderTargetFromSource(const gfx::IntRect &aRect,
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const CompositingRenderTarget *aSource,
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const gfx::IntPoint &aSourcePoint) MOZ_OVERRIDE;
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virtual void SetRenderTarget(CompositingRenderTarget *aSurface) MOZ_OVERRIDE;
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virtual CompositingRenderTarget* GetCurrentRenderTarget() MOZ_OVERRIDE;
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virtual void DrawQuad(const gfx::Rect& aRect,
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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 &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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}
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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 EndFrameForExternalComposition(const gfxMatrix& aTransform) MOZ_OVERRIDE;
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virtual void AbortFrame() MOZ_OVERRIDE;
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virtual bool SupportsPartialTextureUpdate() MOZ_OVERRIDE;
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virtual bool CanUseCanvasLayerForSize(const gfx::IntSize &aSize) MOZ_OVERRIDE
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{
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if (!mGLContext)
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return false;
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int32_t maxSize = GetMaxTextureSize();
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return aSize <= gfx::IntSize(maxSize, maxSize);
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}
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virtual int32_t GetMaxTextureSize() const MOZ_OVERRIDE;
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/**
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* Set the size of the EGL surface we're rendering to, if we're rendering to
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* an EGL surface.
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*/
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virtual void SetDestinationSurfaceSize(const gfx::IntSize& aSize) MOZ_OVERRIDE;
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virtual void SetScreenRenderOffset(const ScreenPoint& aOffset) MOZ_OVERRIDE {
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mRenderOffset = aOffset;
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}
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virtual void MakeCurrent(MakeCurrentFlags aFlags = 0) MOZ_OVERRIDE;
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virtual void SetTargetContext(gfx::DrawTarget* aTarget) MOZ_OVERRIDE
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{
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mTarget = aTarget;
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}
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virtual void PrepareViewport(const gfx::IntSize& aSize,
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const gfxMatrix& aWorldTransform) MOZ_OVERRIDE;
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#ifdef MOZ_DUMP_PAINTING
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virtual const char* Name() const MOZ_OVERRIDE { return "OGL"; }
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#endif // MOZ_DUMP_PAINTING
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virtual void NotifyLayersTransaction() MOZ_OVERRIDE;
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virtual void Pause() MOZ_OVERRIDE;
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virtual bool Resume() MOZ_OVERRIDE;
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virtual nsIWidget* GetWidget() const MOZ_OVERRIDE { return mWidget; }
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virtual const nsIntSize& GetWidgetSize() MOZ_OVERRIDE {
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return mWidgetSize;
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}
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GLContext* gl() const { return mGLContext; }
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ShaderProgramType GetFBOLayerProgramType() const {
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return mFBOTextureTarget == LOCAL_GL_TEXTURE_RECTANGLE_ARB ?
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RGBARectLayerProgramType : RGBALayerProgramType;
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}
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gfx::SurfaceFormat GetFBOFormat() const {
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return gfx::FORMAT_R8G8B8A8;
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}
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virtual void SaveState() MOZ_OVERRIDE;
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virtual void RestoreState() MOZ_OVERRIDE;
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/**
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* The compositor provides with temporary textures for use with direct
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* textruing like gralloc texture.
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* Doing so lets us use gralloc the way it has been designed to be used
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* (see https://wiki.mozilla.org/Platform/GFX/Gralloc)
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*/
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GLuint GetTemporaryTexture(GLenum aUnit);
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private:
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virtual void DrawQuadInternal(const gfx::Rect& aRect,
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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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/**
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* Context target, nullptr when drawing directly to our swap chain.
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*/
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RefPtr<gfx::DrawTarget> mTarget;
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/** Widget associated with this compositor */
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nsIWidget *mWidget;
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nsIntSize mWidgetSize;
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nsRefPtr<GLContext> mGLContext;
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/** The size of the surface we are rendering to */
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nsIntSize mSurfaceSize;
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ScreenPoint mRenderOffset;
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/** Helper-class used by Initialize **/
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class ReadDrawFPSPref MOZ_FINAL : public nsRunnable {
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public:
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NS_IMETHOD Run() MOZ_OVERRIDE;
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};
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already_AddRefed<mozilla::gl::GLContext> CreateContext();
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/** Shader Programs */
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struct ShaderProgramVariations {
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nsAutoTArray<nsAutoPtr<ShaderProgramOGL>, NumMaskTypes> mVariations;
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ShaderProgramVariations() {
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MOZ_COUNT_CTOR(ShaderProgramVariations);
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mVariations.SetLength(NumMaskTypes);
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}
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~ShaderProgramVariations() {
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MOZ_COUNT_DTOR(ShaderProgramVariations);
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}
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};
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nsTArray<ShaderProgramVariations> mPrograms;
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/** Texture target to use for FBOs */
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GLenum mFBOTextureTarget;
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/** Currently bound render target */
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RefPtr<CompositingRenderTargetOGL> mCurrentRenderTarget;
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#ifdef DEBUG
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CompositingRenderTargetOGL* mWindowRenderTarget;
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#endif
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/** VBO that has some basics in it for a textured quad,
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* including vertex coords and texcoords for both
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* flipped and unflipped textures */
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GLuint mQuadVBO;
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/**
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* When we can't use mQuadVBO, we allocate VBOs from this arena instead.
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*/
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gl::VBOArena mVBOs;
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bool mHasBGRA;
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/**
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* When rendering to some EGL surfaces (e.g. on Android), we rely on being told
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* about size changes (via SetSurfaceSize) rather than pulling this information
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* from the widget.
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*/
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bool mUseExternalSurfaceSize;
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/**
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* Have we had DrawQuad calls since the last frame was rendered?
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*/
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bool mFrameInProgress;
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/* Start a new frame. If aClipRectIn is null and aClipRectOut is non-null,
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* sets *aClipRectOut to the screen dimensions.
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*/
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virtual void BeginFrame(const nsIntRegion& aInvalidRegion,
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const gfx::Rect *aClipRectIn,
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const gfxMatrix& aTransform,
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const gfx::Rect& aRenderBounds,
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gfx::Rect *aClipRectOut = nullptr,
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gfx::Rect *aRenderBoundsOut = nullptr) MOZ_OVERRIDE;
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ShaderProgramType GetProgramTypeForEffect(Effect* aEffect) const;
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/**
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* Updates all layer programs with a new projection matrix.
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*/
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void SetLayerProgramProjectionMatrix(const gfx3DMatrix& aMatrix);
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/**
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* Helper method for Initialize, creates all valid variations of a program
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* and adds them to mPrograms
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*/
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void AddPrograms(ShaderProgramType aType);
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ShaderProgramOGL* GetProgram(ShaderProgramType aType,
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MaskType aMask = MaskNone) {
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MOZ_ASSERT(ProgramProfileOGL::ProgramExists(aType, aMask),
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"Invalid program type.");
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return mPrograms[aType].mVariations[aMask];
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}
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/**
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* Create a FBO backed by a texture.
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* Note that the texture target type will be
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* of the type returned by FBOTextureTarget; different
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* shaders are required to sample from the different
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* texture types.
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*/
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void CreateFBOWithTexture(const gfx::IntRect& aRect, bool aCopyFromSource,
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GLuint aSourceFrameBuffer,
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GLuint *aFBO, GLuint *aTexture);
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GLintptr QuadVBOVertexOffset() { return 0; }
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GLintptr QuadVBOTexCoordOffset() { return sizeof(float)*4*2; }
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GLintptr QuadVBOFlippedTexCoordOffset() { return sizeof(float)*8*2; }
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void BindQuadVBO();
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void QuadVBOVerticesAttrib(GLuint aAttribIndex);
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void QuadVBOTexCoordsAttrib(GLuint aAttribIndex);
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void QuadVBOFlippedTexCoordsAttrib(GLuint aAttribIndex);
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void BindAndDrawQuad(GLuint aVertAttribIndex,
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GLuint aTexCoordAttribIndex,
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bool aFlipped = false,
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GLuint aDrawMode = LOCAL_GL_TRIANGLE_STRIP);
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void BindAndDrawQuad(ShaderProgramOGL *aProg,
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bool aFlipped = false,
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GLuint aDrawMode = LOCAL_GL_TRIANGLE_STRIP);
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void BindAndDrawQuadWithTextureRect(ShaderProgramOGL *aProg,
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const gfx::Rect& aTexCoordRect,
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TextureSource *aTexture);
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void CleanupResources();
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/**
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* Copies the content of our backbuffer to the set transaction target.
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* Does not restore the target FBO, so only call from EndFrame.
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*/
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void CopyToTarget(gfx::DrawTarget* aTarget, const gfxMatrix& aWorldMatrix);
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/**
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* Records the passed frame timestamp and returns the current estimated FPS.
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*/
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double AddFrameAndGetFps(const TimeStamp& timestamp);
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bool mDestroyed;
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nsAutoPtr<FPSState> mFPS;
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// Textures used for direct texturing of buffers like gralloc.
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// The index of the texture in this array must correspond to the texture unit.
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nsTArray<GLuint> mTextures;
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static bool sDrawFPS;
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};
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}
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}
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#endif /* MOZILLA_GFX_COMPOSITOROGL_H */
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