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org.mozilla.gecko.gfx.LayerRenderer Class Reference

The layer renderer implements the rendering logic for a layer view. More...

Inheritance diagram for org.mozilla.gecko.gfx.LayerRenderer:
[legend]
Collaboration diagram for org.mozilla.gecko.gfx.LayerRenderer:
[legend]

Classes

class  FadeRunnable
 
class  Frame
 

Public Member Functions

 LayerRenderer (LayerView view)
 
void destroy ()
 
void onSurfaceCreated (GL10 gl, EGLConfig config)
 
void createDefaultProgram ()
 
void activateDefaultProgram ()
 
void deactivateDefaultProgram ()
 
int getMaxTextureSize ()
 
void addLayer (Layer layer)
 
void removeLayer (Layer layer)
 
void onDrawFrame (GL10 gl)
 Called whenever a new frame is about to be drawn. More...
 
void onSurfaceChanged (GL10 gl, final int width, final int height)
 
Frame createFrame (ImmutableViewportMetrics metrics)
 

Static Public Member Functions

static int loadShader (int type, String shaderCode)
 

Static Public Attributes

static final float[] DEFAULT_TEXTURE_MATRIX
 
static final String DEFAULT_VERTEX_SHADER
 
static final String DEFAULT_FRAGMENT_SHADER
 

Protected Member Functions

void finalize () throws Throwable
 

Private Member Functions

RenderContext createScreenContext (ImmutableViewportMetrics metrics)
 
RenderContext createPageContext (ImmutableViewportMetrics metrics)
 
RenderContext createContext (RectF viewport, RectF pageRect, float zoomFactor)
 

Private Attributes

final LayerView mView
 
final SingleTileLayer mBackgroundLayer
 
final NinePatchTileLayer mShadowLayer
 
final ScrollbarLayer mHorizScrollLayer
 
final ScrollbarLayer mVertScrollLayer
 
final FadeRunnable mFadeRunnable
 
ByteBuffer mCoordByteBuffer
 
FloatBuffer mCoordBuffer
 
RenderContext mLastPageContext
 
int mMaxTextureSize
 
int mBackgroundColor
 
CopyOnWriteArrayList< Layer > mExtraLayers = new CopyOnWriteArrayList<Layer>()
 
IntBuffer mPixelBuffer
 
int mProgram
 
int mPositionHandle
 
int mTextureHandle
 
int mSampleHandle
 
int mTMatrixHandle
 

Static Private Attributes

static final String LOGTAG = "GeckoLayerRenderer"
 
static final int MAX_FRAME_TIME = 16
 
static final int COORD_BUFFER_SIZE = 20
 

Detailed Description

The layer renderer implements the rendering logic for a layer view.

Definition at line 32 of file LayerRenderer.java.

Constructor & Destructor Documentation

◆ LayerRenderer()

org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer ( LayerView  view)
inline

Definition at line 108 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.COORD_BUFFER_SIZE, org.mozilla.gecko.gfx.ScrollbarLayer.create(), org.mozilla.gecko.gfx.LayerRenderer.mBackgroundLayer, org.mozilla.gecko.gfx.LayerRenderer.mCoordBuffer, org.mozilla.gecko.gfx.LayerRenderer.mCoordByteBuffer, org.mozilla.gecko.gfx.LayerRenderer.mFadeRunnable, org.mozilla.gecko.gfx.LayerRenderer.mHorizScrollLayer, org.mozilla.gecko.gfx.LayerRenderer.mShadowLayer, org.mozilla.gecko.gfx.LayerRenderer.mVertScrollLayer, and org.mozilla.gecko.gfx.LayerRenderer.mView.

Member Function Documentation

◆ activateDefaultProgram()

void org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram ( )
inline

Definition at line 175 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.DEFAULT_TEXTURE_MATRIX, org.mozilla.gecko.gfx.LayerRenderer.mPositionHandle, org.mozilla.gecko.gfx.LayerRenderer.mProgram, org.mozilla.gecko.gfx.LayerRenderer.mSampleHandle, org.mozilla.gecko.gfx.LayerRenderer.mTextureHandle, and org.mozilla.gecko.gfx.LayerRenderer.mTMatrixHandle.

Referenced by org.mozilla.gecko.gfx.ScrollbarLayer.draw(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawForeground(), and org.mozilla.gecko.gfx.LayerRenderer.onSurfaceCreated().

◆ addLayer()

void org.mozilla.gecko.gfx.LayerRenderer.addLayer ( Layer  layer)
inline

Definition at line 204 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.mExtraLayers.

Referenced by org.mozilla.gecko.gfx.LayerView.addLayer().

◆ createContext()

RenderContext org.mozilla.gecko.gfx.LayerRenderer.createContext ( RectF  viewport,
RectF  pageRect,
float  zoomFactor 
)
inlineprivate

Definition at line 247 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.mCoordBuffer, org.mozilla.gecko.gfx.LayerRenderer.mPositionHandle, and org.mozilla.gecko.gfx.LayerRenderer.mTextureHandle.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.createPageContext(), and org.mozilla.gecko.gfx.LayerRenderer.createScreenContext().

◆ createDefaultProgram()

void org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram ( )
inline

Definition at line 154 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.DEFAULT_FRAGMENT_SHADER, org.mozilla.gecko.gfx.LayerRenderer.DEFAULT_VERTEX_SHADER, org.mozilla.gecko.gfx.LayerRenderer.loadShader(), org.mozilla.gecko.gfx.LayerRenderer.mMaxTextureSize, org.mozilla.gecko.gfx.LayerRenderer.mPositionHandle, org.mozilla.gecko.gfx.LayerRenderer.mProgram, org.mozilla.gecko.gfx.LayerRenderer.mSampleHandle, org.mozilla.gecko.gfx.LayerRenderer.mTextureHandle, and org.mozilla.gecko.gfx.LayerRenderer.mTMatrixHandle.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.onSurfaceCreated().

◆ createFrame()

Frame org.mozilla.gecko.gfx.LayerRenderer.createFrame ( ImmutableViewportMetrics  metrics)
inline

Definition at line 267 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.onDrawFrame().

◆ createPageContext()

RenderContext org.mozilla.gecko.gfx.LayerRenderer.createPageContext ( ImmutableViewportMetrics  metrics)
inlineprivate

Definition at line 240 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.createContext(), org.mozilla.gecko.gfx.ImmutableViewportMetrics.getPageRect(), org.mozilla.gecko.gfx.ImmutableViewportMetrics.getViewport(), Rect, org.mozilla.gecko.gfx.RectUtils.round(), and org.mozilla.gecko.gfx.ImmutableViewportMetrics.zoomFactor.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.Frame().

◆ createScreenContext()

RenderContext org.mozilla.gecko.gfx.LayerRenderer.createScreenContext ( ImmutableViewportMetrics  metrics)
inlineprivate

Definition at line 234 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.createContext(), org.mozilla.gecko.gfx.ImmutableViewportMetrics.getHeight(), org.mozilla.gecko.gfx.ImmutableViewportMetrics.getPageRect(), and org.mozilla.gecko.gfx.ImmutableViewportMetrics.getWidth().

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.Frame().

◆ deactivateDefaultProgram()

void org.mozilla.gecko.gfx.LayerRenderer.deactivateDefaultProgram ( )
inline

Definition at line 194 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.mPositionHandle, and org.mozilla.gecko.gfx.LayerRenderer.mTextureHandle.

Referenced by org.mozilla.gecko.gfx.ScrollbarLayer.draw(), and org.mozilla.gecko.gfx.LayerRenderer.Frame.drawForeground().

◆ destroy()

void org.mozilla.gecko.gfx.LayerRenderer.destroy ( )
inline

Definition at line 139 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.TileLayer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.mBackgroundLayer, org.mozilla.gecko.gfx.LayerRenderer.mCoordBuffer, org.mozilla.gecko.gfx.LayerRenderer.mCoordByteBuffer, org.mozilla.gecko.gfx.LayerRenderer.mHorizScrollLayer, org.mozilla.gecko.gfx.LayerRenderer.mShadowLayer, and org.mozilla.gecko.gfx.LayerRenderer.mVertScrollLayer.

Referenced by org.mozilla.gecko.gfx.LayerView.destroy().

◆ finalize()

void org.mozilla.gecko.gfx.LayerRenderer.finalize ( ) throws Throwable
inlineprotected

Definition at line 129 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.mCoordBuffer, and org.mozilla.gecko.gfx.LayerRenderer.mCoordByteBuffer.

◆ getMaxTextureSize()

int org.mozilla.gecko.gfx.LayerRenderer.getMaxTextureSize ( )
inline

Definition at line 200 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.mMaxTextureSize.

Referenced by org.mozilla.gecko.gfx.LayerView.getMaxTextureSize().

◆ loadShader()

static int org.mozilla.gecko.gfx.LayerRenderer.loadShader ( int  type,
String  shaderCode 
)
inlinestatic

Definition at line 260 of file LayerRenderer.java.

References type.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram(), and org.mozilla.gecko.gfx.ScrollbarLayer.createProgram().

◆ onDrawFrame()

void org.mozilla.gecko.gfx.LayerRenderer.onDrawFrame ( GL10  gl)
inline

Called whenever a new frame is about to be drawn.

Definition at line 223 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.createFrame(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawBackground(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawForeground(), org.mozilla.gecko.gfx.LayerRenderer.Frame.endDrawing(), org.mozilla.gecko.gfx.LayerView.getLayerClient(), org.mozilla.gecko.gfx.GeckoLayerClient.getViewportMetrics(), and org.mozilla.gecko.gfx.LayerRenderer.mView.

◆ onSurfaceChanged()

void org.mozilla.gecko.gfx.LayerRenderer.onSurfaceChanged ( GL10  gl,
final int  width,
final int  height 
)
inline

Definition at line 252 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.GLController.createEGLSurface(), and org.mozilla.gecko.gfx.GLController.initEGLContext().

◆ onSurfaceCreated()

void org.mozilla.gecko.gfx.LayerRenderer.onSurfaceCreated ( GL10  gl,
EGLConfig  config 
)
inline

Definition at line 149 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram().

Referenced by org.mozilla.gecko.gfx.GLController.createEGLSurface(), and org.mozilla.gecko.gfx.GLController.initEGLContext().

◆ removeLayer()

void org.mozilla.gecko.gfx.LayerRenderer.removeLayer ( Layer  layer)
inline

Definition at line 214 of file LayerRenderer.java.

References org.mozilla.gecko.gfx.LayerRenderer.mExtraLayers.

Referenced by org.mozilla.gecko.gfx.LayerView.removeLayer().

Member Data Documentation

◆ COORD_BUFFER_SIZE

final int org.mozilla.gecko.gfx.LayerRenderer.COORD_BUFFER_SIZE = 20
staticprivate

Definition at line 75 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ DEFAULT_FRAGMENT_SHADER

final String org.mozilla.gecko.gfx.LayerRenderer.DEFAULT_FRAGMENT_SHADER
static
Initial value:
=
"precision highp float;\n" +
"varying vec2 vTexCoord;\n" +
"uniform sampler2D sTexture;\n" +
"void main() {\n" +
" gl_FragColor = texture2D(sTexture, vTexCoord);\n" +
"}\n"

Definition at line 100 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram().

◆ DEFAULT_TEXTURE_MATRIX

final float [] org.mozilla.gecko.gfx.LayerRenderer.DEFAULT_TEXTURE_MATRIX
static
Initial value:
= {
2.0f, 0.0f, 0.0f, 0.0f,
0.0f, 2.0f, 0.0f, 0.0f,
0.0f, 0.0f, 2.0f, 0.0f,
-1.0f, -1.0f, 0.0f, 1.0f
}

Definition at line 68 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), and org.mozilla.gecko.gfx.ScrollbarLayer.activateProgram().

◆ DEFAULT_VERTEX_SHADER

final String org.mozilla.gecko.gfx.LayerRenderer.DEFAULT_VERTEX_SHADER
static
Initial value:
=
"uniform mat4 uTMatrix;\n" +
"attribute vec4 vPosition;\n" +
"attribute vec2 aTexCoord;\n" +
"varying vec2 vTexCoord;\n" +
"void main() {\n" +
" gl_Position = uTMatrix * vPosition;\n" +
" vTexCoord.x = aTexCoord.x;\n" +
" vTexCoord.y = 1.0 - aTexCoord.y;\n" +
"}\n"

Definition at line 84 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram(), and org.mozilla.gecko.gfx.ScrollbarLayer.createProgram().

◆ LOGTAG

final String org.mozilla.gecko.gfx.LayerRenderer.LOGTAG = "GeckoLayerRenderer"
staticprivate

Definition at line 33 of file LayerRenderer.java.

◆ MAX_FRAME_TIME

final int org.mozilla.gecko.gfx.LayerRenderer.MAX_FRAME_TIME = 16
staticprivate

Definition at line 39 of file LayerRenderer.java.

◆ mBackgroundColor

int org.mozilla.gecko.gfx.LayerRenderer.mBackgroundColor
private

Definition at line 51 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.drawBackground().

◆ mBackgroundLayer

final SingleTileLayer org.mozilla.gecko.gfx.LayerRenderer.mBackgroundLayer
private

Definition at line 42 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawBackground(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mCoordBuffer

FloatBuffer org.mozilla.gecko.gfx.LayerRenderer.mCoordBuffer
private

Definition at line 48 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.createContext(), org.mozilla.gecko.gfx.LayerRenderer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.finalize(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mCoordByteBuffer

ByteBuffer org.mozilla.gecko.gfx.LayerRenderer.mCoordByteBuffer
private

Definition at line 47 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.finalize(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mExtraLayers

CopyOnWriteArrayList<Layer> org.mozilla.gecko.gfx.LayerRenderer.mExtraLayers = new CopyOnWriteArrayList<Layer>()
private

Definition at line 53 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.addLayer(), org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawForeground(), and org.mozilla.gecko.gfx.LayerRenderer.removeLayer().

◆ mFadeRunnable

final FadeRunnable org.mozilla.gecko.gfx.LayerRenderer.mFadeRunnable
private

Definition at line 46 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mHorizScrollLayer

final ScrollbarLayer org.mozilla.gecko.gfx.LayerRenderer.mHorizScrollLayer
private

Definition at line 44 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawForeground(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mLastPageContext

RenderContext org.mozilla.gecko.gfx.LayerRenderer.mLastPageContext
private

Definition at line 49 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing().

◆ mMaxTextureSize

int org.mozilla.gecko.gfx.LayerRenderer.mMaxTextureSize
private

Definition at line 50 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.getMaxTextureSize().

◆ mPixelBuffer

IntBuffer org.mozilla.gecko.gfx.LayerRenderer.mPixelBuffer
private

Definition at line 56 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.endDrawing().

◆ mPositionHandle

int org.mozilla.gecko.gfx.LayerRenderer.mPositionHandle
private

Definition at line 60 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), org.mozilla.gecko.gfx.LayerRenderer.createContext(), org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.deactivateDefaultProgram().

◆ mProgram

int org.mozilla.gecko.gfx.LayerRenderer.mProgram
private

Definition at line 59 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram().

◆ mSampleHandle

int org.mozilla.gecko.gfx.LayerRenderer.mSampleHandle
private

Definition at line 62 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram().

◆ mShadowLayer

final NinePatchTileLayer org.mozilla.gecko.gfx.LayerRenderer.mShadowLayer
private

Definition at line 43 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawBackground(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mTextureHandle

int org.mozilla.gecko.gfx.LayerRenderer.mTextureHandle
private

Definition at line 61 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), org.mozilla.gecko.gfx.LayerRenderer.createContext(), org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.deactivateDefaultProgram().

◆ mTMatrixHandle

int org.mozilla.gecko.gfx.LayerRenderer.mTMatrixHandle
private

Definition at line 63 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.activateDefaultProgram(), and org.mozilla.gecko.gfx.LayerRenderer.createDefaultProgram().

◆ mVertScrollLayer

final ScrollbarLayer org.mozilla.gecko.gfx.LayerRenderer.mVertScrollLayer
private

Definition at line 45 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.destroy(), org.mozilla.gecko.gfx.LayerRenderer.Frame.drawForeground(), and org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer().

◆ mView

final LayerView org.mozilla.gecko.gfx.LayerRenderer.mView
private

Definition at line 41 of file LayerRenderer.java.

Referenced by org.mozilla.gecko.gfx.LayerRenderer.Frame.beginDrawing(), org.mozilla.gecko.gfx.LayerRenderer.Frame.endDrawing(), org.mozilla.gecko.gfx.LayerRenderer.LayerRenderer(), and org.mozilla.gecko.gfx.LayerRenderer.onDrawFrame().

The documentation for this class was generated from the following file:
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