diff options
Diffstat (limited to 'src/com/android/gallery3d/glrenderer/GLCanvas.java')
| -rw-r--r-- | src/com/android/gallery3d/glrenderer/GLCanvas.java | 119 |
1 files changed, 45 insertions, 74 deletions
diff --git a/src/com/android/gallery3d/glrenderer/GLCanvas.java b/src/com/android/gallery3d/glrenderer/GLCanvas.java index 5e319f894..4cf16892e 100644 --- a/src/com/android/gallery3d/glrenderer/GLCanvas.java +++ b/src/com/android/gallery3d/glrenderer/GLCanvas.java @@ -20,83 +20,56 @@ import android.graphics.Bitmap; import android.graphics.Rect; import android.graphics.RectF; -import com.android.gallery3d.common.ApiHelper; - -import javax.microedition.khronos.opengles.GL11; - // // GLCanvas gives a convenient interface to draw using OpenGL. // // When a rectangle is specified in this interface, it means the region // [x, x+width) * [y, y+height) // -public abstract class GLCanvas { +public interface GLCanvas { public enum Blending { Additive, Mix, } - private static GLCanvas sInstance = instantiateCanvas(); - private static GLId sGLId = instantiateGLId(); - - public static GLId getGLId() { - return sGLId; - } - - public static GLCanvas getInstance() { - return sInstance; - } - - private static GLId instantiateGLId() { - return ApiHelper.HAS_GLES20_REQUIRED ? (GLES20Canvas) sInstance : new GLIdImpl(); - } - - private static GLCanvas instantiateCanvas() { - return ApiHelper.HAS_GLES20_REQUIRED ? new GLES20Canvas() : new GLES11Canvas(); - } - - public static int getEGLContextClientVersion() { - return ApiHelper.HAS_GLES20_REQUIRED ? 2 : 1; - } - - public abstract void initialize(GL11 gl); + public GLId getGLId(); // Tells GLCanvas the size of the underlying GL surface. This should be // called before first drawing and when the size of GL surface is changed. // This is called by GLRoot and should not be called by the clients // who only want to draw on the GLCanvas. Both width and height must be // nonnegative. - public abstract void setSize(int width, int height); + public void setSize(int width, int height); // Clear the drawing buffers. This should only be used by GLRoot. - public abstract void clearBuffer(); + public void clearBuffer(); - public abstract void clearBuffer(float[] argb); + public void clearBuffer(float[] argb); // Sets and gets the current alpha, alpha must be in [0, 1]. - public abstract void setAlpha(float alpha); + public void setAlpha(float alpha); - public abstract float getAlpha(); + public float getAlpha(); // (current alpha) = (current alpha) * alpha - public abstract void multiplyAlpha(float alpha); + public void multiplyAlpha(float alpha); // Change the current transform matrix. - public abstract void translate(float x, float y, float z); + public void translate(float x, float y, float z); - public abstract void translate(float x, float y); + public void translate(float x, float y); - public abstract void scale(float sx, float sy, float sz); + public void scale(float sx, float sy, float sz); - public abstract void rotate(float angle, float x, float y, float z); + public void rotate(float angle, float x, float y, float z); - public abstract void multiplyMatrix(float[] mMatrix, int offset); + public void multiplyMatrix(float[] mMatrix, int offset); // Pushes the configuration state (matrix, and alpha) onto // a private stack. - public abstract void save(); + public void save(); // Same as save(), but only save those specified in saveFlags. - public abstract void save(int saveFlags); + public void save(int saveFlags); public static final int SAVE_FLAG_ALL = 0xFFFFFFFF; public static final int SAVE_FLAG_ALPHA = 0x01; @@ -107,65 +80,64 @@ public abstract class GLCanvas { // alpha, and clip). This call balances a previous call to save(), and is // used to remove all modifications to the configuration state since the // last save call. - public abstract void restore(); + public void restore(); // Draws a line using the specified paint from (x1, y1) to (x2, y2). // (Both end points are included). - public abstract void drawLine(float x1, float y1, float x2, float y2, GLPaint paint); + public void drawLine(float x1, float y1, float x2, float y2, GLPaint paint); // Draws a rectangle using the specified paint from (x1, y1) to (x2, y2). // (Both end points are included). - public abstract void drawRect(float x1, float y1, float x2, float y2, GLPaint paint); + public void drawRect(float x1, float y1, float x2, float y2, GLPaint paint); // Fills the specified rectangle with the specified color. - public abstract void fillRect(float x, float y, float width, float height, int color); + public void fillRect(float x, float y, float width, float height, int color); // Draws a texture to the specified rectangle. - public abstract void drawTexture( - BasicTexture texture, int x, int y, int width, int height); + public void drawTexture(BasicTexture texture, int x, int y, int width, int height); - public abstract void drawMesh(BasicTexture tex, int x, int y, int xyBuffer, + public void drawMesh(BasicTexture tex, int x, int y, int xyBuffer, int uvBuffer, int indexBuffer, int indexCount); // Draws the source rectangle part of the texture to the target rectangle. - public abstract void drawTexture(BasicTexture texture, RectF source, RectF target); + public void drawTexture(BasicTexture texture, RectF source, RectF target); // Draw a texture with a specified texture transform. - public abstract void drawTexture(BasicTexture texture, float[] mTextureTransform, + public void drawTexture(BasicTexture texture, float[] mTextureTransform, int x, int y, int w, int h); // Draw two textures to the specified rectangle. The actual texture used is // from * (1 - ratio) + to * ratio // The two textures must have the same size. - public abstract void drawMixed(BasicTexture from, int toColor, + public void drawMixed(BasicTexture from, int toColor, float ratio, int x, int y, int w, int h); // Draw a region of a texture and a specified color to the specified // rectangle. The actual color used is from * (1 - ratio) + to * ratio. // The region of the texture is defined by parameter "src". The target // rectangle is specified by parameter "target". - public abstract void drawMixed(BasicTexture from, int toColor, + public void drawMixed(BasicTexture from, int toColor, float ratio, RectF src, RectF target); // Unloads the specified texture from the canvas. The resource allocated // to draw the texture will be released. The specified texture will return // to the unloaded state. This function should be called only from // BasicTexture or its descendant - public abstract boolean unloadTexture(BasicTexture texture); + public boolean unloadTexture(BasicTexture texture); // Delete the specified buffer object, similar to unloadTexture. - public abstract void deleteBuffer(int bufferId); + public void deleteBuffer(int bufferId); // Delete the textures and buffers in GL side. This function should only be // called in the GL thread. - public abstract void deleteRecycledResources(); + public void deleteRecycledResources(); // Dump statistics information and clear the counters. For debug only. - public abstract void dumpStatisticsAndClear(); + public void dumpStatisticsAndClear(); - public abstract void beginRenderTarget(RawTexture texture); + public void beginRenderTarget(RawTexture texture); - public abstract void endRenderTarget(); + public void endRenderTarget(); /** * Sets texture parameters to use GL_CLAMP_TO_EDGE for both @@ -175,7 +147,7 @@ public abstract class GLCanvas { * * @param texture The texture to set parameters on. */ - public abstract void setTextureParameters(BasicTexture texture); + public void setTextureParameters(BasicTexture texture); /** * Initializes the texture to a size by calling texImage2D on it. @@ -184,7 +156,7 @@ public abstract class GLCanvas { * @param format The texture format (e.g. GL_RGBA) * @param type The texture type (e.g. GL_UNSIGNED_BYTE) */ - public abstract void initializeTextureSize(BasicTexture texture, int format, int type); + public void initializeTextureSize(BasicTexture texture, int format, int type); /** * Initializes the texture to a size by calling texImage2D on it. @@ -192,7 +164,7 @@ public abstract class GLCanvas { * @param texture The texture to initialize the size. * @param bitmap The bitmap to initialize the bitmap with. */ - public abstract void initializeTexture(BasicTexture texture, Bitmap bitmap); + public void initializeTexture(BasicTexture texture, Bitmap bitmap); /** * Calls glTexSubImage2D to upload a bitmap to the texture. @@ -205,8 +177,7 @@ public abstract class GLCanvas { * @param format The texture format (e.g. GL_RGBA) * @param type The texture type (e.g. GL_UNSIGNED_BYTE) */ - public abstract void texSubImage2D(BasicTexture texture, int xOffset, int yOffset, - Bitmap bitmap, + public void texSubImage2D(BasicTexture texture, int xOffset, int yOffset, Bitmap bitmap, int format, int type); /** @@ -215,7 +186,7 @@ public abstract class GLCanvas { * @param buffer The buffer to upload * @return The buffer ID that was generated. */ - public abstract int uploadBuffer(java.nio.FloatBuffer buffer); + public int uploadBuffer(java.nio.FloatBuffer buffer); /** * Generates buffers and uploads the element array buffer data. @@ -223,36 +194,36 @@ public abstract class GLCanvas { * @param buffer The buffer to upload * @return The buffer ID that was generated. */ - public abstract int uploadBuffer(java.nio.ByteBuffer buffer); + public int uploadBuffer(java.nio.ByteBuffer buffer); /** * Sets the blending algorithm if a texture is not opaque. * * @param blending Either mixing (overlay) or adding a texture. */ - public abstract void setBlending(Blending blending); + public void setBlending(Blending blending); /** * Enable stencil test */ - public abstract void enableStencil(); + public void enableStencil(); /** * Disable stencil. */ - public abstract void disableStencil(); + public void disableStencil(); /** * Clears the stencil so that a new stencil can be generated. */ - public abstract void clearStencilBuffer(); + public void clearStencilBuffer(); /** * Start/stop updating the stencil buffer. * * @param update True if the stencil should be updated, false otherwise. */ - public abstract void updateStencil(boolean update); + public void updateStencil(boolean update); /** * Changes how the stencil buffer is used. @@ -261,13 +232,13 @@ public abstract class GLCanvas { * changed. If false, the area inside the stencil can be drawn to * as well. */ - public abstract void drawOnlyOutsideStencil(boolean onlyOutside); + public void drawOnlyOutsideStencil(boolean onlyOutside); /** * After LightCycle makes GL calls, this method is called to restore the GL * configuration to the one expected by GLCanvas. */ - public abstract void recoverFromLightCycle(); + public void recoverFromLightCycle(); /** * Gets the bounds given by x, y, width, and height as well as the internal @@ -280,5 +251,5 @@ public abstract class GLCanvas { * @param width The width of the input rectangle. * @param height The height of the input rectangle. */ - public abstract void getBounds(Rect bounds, int x, int y, int width, int height); + public void getBounds(Rect bounds, int x, int y, int width, int height); } |