Documentation (623c54dd) · Commits · e / os / android_frameworks_base

graphics/java/android/renderscript/Allocation.java

+173 −13

Original line number	Diff line number	Diff line
		@@ -479,26 +479,67 @@ public class Allocation extends BaseObj {
		mBitmapOptions.inScaled = false;
		}

		static public Allocation createTyped(RenderScript rs, Type type, MipmapControl mc, int usage) {
		/**
		*
		* @param type renderscript type describing data layout
		* @param mips specifies desired mipmap behaviour for the
		* allocation
		* @param usage bit field specifying how the allocation is
		* utilized
		*/
		static public Allocation createTyped(RenderScript rs, Type type, MipmapControl mips, int usage) {
		rs.validate();
		if (type.getID() == 0) {
		throw new RSInvalidStateException("Bad Type");
		}
		int id = rs.nAllocationCreateTyped(type.getID(), mc.mID, usage);
		int id = rs.nAllocationCreateTyped(type.getID(), mips.mID, usage);
		if (id == 0) {
		throw new RSRuntimeException("Allocation creation failed.");
		}
		return new Allocation(id, rs, type, usage);
		}

		/**
		* Creates a renderscript allocation with the size specified by
		* the type and no mipmaps generated by default
		*
		* @param rs
		* @param type renderscript type describing data layout
		* @param usage bit field specifying how the allocation is
		* utilized
		*
		* @return allocation
		*/
		static public Allocation createTyped(RenderScript rs, Type type, int usage) {
		return createTyped(rs, type, MipmapControl.MIPMAP_NONE, usage);
		}

		/**
		* Creates a renderscript allocation for use by the script with
		* the size specified by the type and no mipmaps generated by
		* default
		*
		* @param rs
		* @param type renderscript type describing data layout
		*
		* @return allocation
		*/
		static public Allocation createTyped(RenderScript rs, Type type) {
		return createTyped(rs, type, MipmapControl.MIPMAP_NONE, USAGE_SCRIPT);
		}

		/**
		* Creates a renderscript allocation with a specified number of
		* given elements
		*
		* @param rs
		* @param e describes what each element of an allocation is
		* @param count specifies the number of element in the allocation
		* @param usage bit field specifying how the allocation is
		* utilized
		*
		* @return allocation
		*/
		static public Allocation createSized(RenderScript rs, Element e,
		int count, int usage) {
		rs.validate();
		@@ -513,6 +554,16 @@ public class Allocation extends BaseObj {
		return new Allocation(id, rs, t, usage);
		}

		/**
		* Creates a renderscript allocation with a specified number of
		* given elements
		*
		* @param rs
		* @param e describes what each element of an allocation is
		* @param count specifies the number of element in the allocation
		*
		* @return allocation
		*/
		static public Allocation createSized(RenderScript rs, Element e, int count) {
		return createSized(rs, e, count, USAGE_SCRIPT);
		}
		@@ -544,6 +595,19 @@ public class Allocation extends BaseObj {
		return tb.create();
		}

		/**
		* Creates a renderscript allocation from a bitmap
		*
		* @param rs
		* @param b bitmap source for the allocation data
		* @param mips specifies desired mipmap behaviour for the
		* allocation
		* @param usage bit field specifying how the allocation is
		* utilized
		*
		* @return renderscript allocation containing bitmap data
		*
		*/
		static public Allocation createFromBitmap(RenderScript rs, Bitmap b,
		MipmapControl mips,
		int usage) {
		@@ -557,6 +621,16 @@ public class Allocation extends BaseObj {
		return new Allocation(id, rs, t, usage);
		}

		/**
		* Creates a non-mipmapped renderscript allocation to use as a
		* graphics texture
		*
		* @param rs
		* @param b bitmap source for the allocation data
		*
		* @return renderscript allocation containing bitmap data
		*
		*/
		static public Allocation createFromBitmap(RenderScript rs, Bitmap b) {
		return createFromBitmap(rs, b, MipmapControl.MIPMAP_NONE,
		USAGE_GRAPHICS_TEXTURE);
		@@ -573,7 +647,9 @@ public class Allocation extends BaseObj {
		* @param mips specifies desired mipmap behaviour for the cubemap
		* @param usage bit field specifying how the cubemap is utilized
		*
		**/
		* @return allocation containing cubemap data
		*
		*/
		static public Allocation createCubemapFromBitmap(RenderScript rs, Bitmap b,
		MipmapControl mips,
		int usage) {
		@@ -608,12 +684,43 @@ public class Allocation extends BaseObj {
		return new Allocation(id, rs, t, usage);
		}

		/**
		* Creates a non-mipmapped cubemap allocation for use as a
		* graphics texture from a bitmap containing the horizontal list
		* of cube faces. Each individual face must be the same size and
		* power of 2
		*
		* @param rs
		* @param b bitmap with cubemap faces layed out in the following
		* format: right, left, top, bottom, front, back
		*
		* @return allocation containing cubemap data
		*
		*/
		static public Allocation createCubemapFromBitmap(RenderScript rs,
		Bitmap b) {
		return createCubemapFromBitmap(rs, b, MipmapControl.MIPMAP_NONE,
		USAGE_GRAPHICS_TEXTURE);
		}

		/**
		* Creates a cubemap allocation from 6 bitmaps containing
		* the cube faces. All the faces must be the same size and
		* power of 2
		*
		* @param rs
		* @param xpos cubemap face in the positive x direction
		* @param xneg cubemap face in the negative x direction
		* @param ypos cubemap face in the positive y direction
		* @param yneg cubemap face in the negative y direction
		* @param zpos cubemap face in the positive z direction
		* @param zneg cubemap face in the negative z direction
		* @param mips specifies desired mipmap behaviour for the cubemap
		* @param usage bit field specifying how the cubemap is utilized
		*
		* @return allocation containing cubemap data
		*
		*/
		static public Allocation createCubemapFromCubeFaces(RenderScript rs,
		Bitmap xpos,
		Bitmap xneg,
		@@ -663,6 +770,23 @@ public class Allocation extends BaseObj {
		return cubemap;
		}

		/**
		* Creates a non-mipmapped cubemap allocation for use as a
		* graphics texture from 6 bitmaps containing
		* the cube faces. All the faces must be the same size and
		* power of 2
		*
		* @param rs
		* @param xpos cubemap face in the positive x direction
		* @param xneg cubemap face in the negative x direction
		* @param ypos cubemap face in the positive y direction
		* @param yneg cubemap face in the negative y direction
		* @param zpos cubemap face in the positive z direction
		* @param zneg cubemap face in the negative z direction
		*
		* @return allocation containing cubemap data
		*
		*/
		static public Allocation createCubemapFromCubeFaces(RenderScript rs,
		Bitmap xpos,
		Bitmap xneg,
		@@ -675,6 +799,21 @@ public class Allocation extends BaseObj {
		USAGE_GRAPHICS_TEXTURE);
		}

		/**
		* Creates a renderscript allocation from the bitmap referenced
		* by resource id
		*
		* @param rs
		* @param res application resources
		* @param id resource id to load the data from
		* @param mips specifies desired mipmap behaviour for the
		* allocation
		* @param usage bit field specifying how the allocation is
		* utilized
		*
		* @return renderscript allocation containing resource data
		*
		*/
		static public Allocation createFromBitmapResource(RenderScript rs,
		Resources res,
		int id,
		@@ -688,6 +827,17 @@ public class Allocation extends BaseObj {
		return alloc;
		}

		/**
		* Creates a non-mipmapped renderscript allocation to use as a
		* graphics texture from the bitmap referenced by resource id
		*
		* @param rs
		* @param res application resources
		* @param id resource id to load the data from
		*
		* @return renderscript allocation containing resource data
		*
		*/
		static public Allocation createFromBitmapResource(RenderScript rs,
		Resources res,
		int id) {
		@@ -696,6 +846,16 @@ public class Allocation extends BaseObj {
		USAGE_GRAPHICS_TEXTURE);
		}

		/**
		* Creates a renderscript allocation containing string data
		* encoded in UTF-8 format
		*
		* @param rs
		* @param str string to create the allocation from
		* @param usage bit field specifying how the allocaiton is
		* utilized
		*
		*/
		static public Allocation createFromString(RenderScript rs,
		String str,
		int usage) {

graphics/java/android/renderscript/ProgramStore.java

+159 −1

Original line number	Diff line number	Diff line
		@@ -22,16 +22,61 @@ import android.util.Log;


		/**
		* ProgarmStore contains a set of parameters that control how
		* the graphics hardware handles writes to the framebuffer.
		*
		* It could be used to:
		* - enable/diable depth testing
		* - specify wheather depth writes are performed
		* - setup various blending modes for use in effects like
		* transparency
		* - define write masks for color components written into the
		* framebuffer
		*
		**/
		public class ProgramStore extends BaseObj {
		/**
		* Specifies the function used to determine whether a fragment
		* will be drawn during the depth testing stage in the rendering
		* pipeline by comparing its value with that already in the depth
		* buffer. DepthFunc is only valid when depth buffer is present
		* and depth testing is enabled
		*/
		public enum DepthFunc {

		/**
		* Always drawn
		*/
		ALWAYS (0),
		/**
		* Drawn if the incoming depth value is less than that in the
		* depth buffer
		*/
		LESS (1),
		/**
		* Drawn if the incoming depth value is less or equal to that in
		* the depth buffer
		*/
		LESS_OR_EQUAL (2),
		/**
		* Drawn if the incoming depth value is greater than that in the
		* depth buffer
		*/
		GREATER (3),
		/**
		* Drawn if the incoming depth value is greater or equal to that
		* in the depth buffer
		*/
		GREATER_OR_EQUAL (4),
		/**
		* Drawn if the incoming depth value is equal to that in the
		* depth buffer
		*/
		EQUAL (5),
		/**
		* Drawn if the incoming depth value is not equal to that in the
		* depth buffer
		*/
		NOT_EQUAL (6);

		int mID;
		@@ -40,6 +85,14 @@ public class ProgramStore extends BaseObj {
		}
		}

		/**
		* Specifies the functions used to combine incoming pixels with
		* those already in the frame buffer.
		*
		* BlendSrcFunc describes how the coefficient used to scale the
		* source pixels during the blending operation is computed
		*
		*/
		public enum BlendSrcFunc {
		ZERO (0),
		ONE (1),
		@@ -57,6 +110,15 @@ public class ProgramStore extends BaseObj {
		}
		}

		/**
		* Specifies the functions used to combine incoming pixels with
		* those already in the frame buffer.
		*
		* BlendDstFunc describes how the coefficient used to scale the
		* pixels already in the framebuffer is computed during the
		* blending operation
		*
		*/
		public enum BlendDstFunc {
		ZERO (0),
		ONE (1),
		@@ -78,6 +140,17 @@ public class ProgramStore extends BaseObj {
		super(id, rs);
		}

		/**
		* Returns a pre-defined program store object with the following
		* characteristics:
		* - incoming pixels are drawn if their depth value is less than
		* the stored value in the depth buffer. If the pixel is
		* drawn, its value is also stored in the depth buffer
		* - incoming pixels override the value stored in the color
		* buffer if it passes the depth test
		*
		* @param rs
		**/
		public static ProgramStore BLEND_NONE_DEPTH_TEST(RenderScript rs) {
		if(rs.mProgramStore_BLEND_NONE_DEPTH_TEST == null) {
		ProgramStore.Builder builder = new ProgramStore.Builder(rs);
		@@ -89,6 +162,16 @@ public class ProgramStore extends BaseObj {
		}
		return rs.mProgramStore_BLEND_NONE_DEPTH_TEST;
		}
		/**
		* Returns a pre-defined program store object with the following
		* characteristics:
		* - incoming pixels always pass the depth test and their value
		* is not stored in the depth buffer
		* - incoming pixels override the value stored in the color
		* buffer
		*
		* @param rs
		**/
		public static ProgramStore BLEND_NONE_DEPTH_NONE(RenderScript rs) {
		if(rs.mProgramStore_BLEND_NONE_DEPTH_NO_DEPTH == null) {
		ProgramStore.Builder builder = new ProgramStore.Builder(rs);
		@@ -100,7 +183,19 @@ public class ProgramStore extends BaseObj {
		}
		return rs.mProgramStore_BLEND_NONE_DEPTH_NO_DEPTH;
		}

		/**
		* Returns a pre-defined program store object with the following
		* characteristics:
		* - incoming pixels are drawn if their depth value is less than
		* the stored value in the depth buffer. If the pixel is
		* drawn, its value is also stored in the depth buffer
		* - if the incoming (Source) pixel passes depth test, its value
		* is combined with the stored color (Dest) using the
		* following formula
		* Final.RGB = Source.RGB * Source.A + Dest.RGB * (1 - Source.A)
		*
		* @param rs
		**/
		public static ProgramStore BLEND_ALPHA_DEPTH_TEST(RenderScript rs) {
		if(rs.mProgramStore_BLEND_ALPHA_DEPTH_TEST == null) {
		ProgramStore.Builder builder = new ProgramStore.Builder(rs);
		@@ -112,6 +207,17 @@ public class ProgramStore extends BaseObj {
		}
		return rs.mProgramStore_BLEND_ALPHA_DEPTH_TEST;
		}
		/**
		* Returns a pre-defined program store object with the following
		* characteristics:
		* - incoming pixels always pass the depth test and their value
		* is not stored in the depth buffer
		* - incoming pixel's value is combined with the stored color
		* (Dest) using the following formula
		* Final.RGB = Source.RGB * Source.A + Dest.RGB * (1 - Source.A)
		*
		* @param rs
		**/
		public static ProgramStore BLEND_ALPHA_DEPTH_NONE(RenderScript rs) {
		if(rs.mProgramStore_BLEND_ALPHA_DEPTH_NO_DEPTH == null) {
		ProgramStore.Builder builder = new ProgramStore.Builder(rs);
		@@ -124,6 +230,11 @@ public class ProgramStore extends BaseObj {
		return rs.mProgramStore_BLEND_ALPHA_DEPTH_NO_DEPTH;
		}

		/**
		* Builder class for ProgramStore object. If the builder is left
		* empty, the equivalent of BLEND_NONE_DEPTH_NONE would be
		* returned
		*/
		public static class Builder {
		RenderScript mRS;
		DepthFunc mDepthFunc;
		@@ -148,16 +259,41 @@ public class ProgramStore extends BaseObj {
		mBlendDst = BlendDstFunc.ZERO;
		}

		/**
		* Specifies the depth testing behavior
		*
		* @param func function used for depth testing
		*
		* @return this
		*/
		public Builder setDepthFunc(DepthFunc func) {
		mDepthFunc = func;
		return this;
		}

		/**
		* Enables writes into the depth buffer
		*
		* @param enable specifies whether depth writes are
		* enabled or disabled
		*
		* @return this
		*/
		public Builder setDepthMaskEnabled(boolean enable) {
		mDepthMask = enable;
		return this;
		}

		/**
		* Enables writes into the color buffer
		*
		* @param r specifies whether red channel is written
		* @param g specifies whether green channel is written
		* @param b specifies whether blue channel is written
		* @param a specifies whether alpha channel is written
		*
		* @return this
		*/
		public Builder setColorMaskEnabled(boolean r, boolean g, boolean b, boolean a) {
		mColorMaskR = r;
		mColorMaskG = g;
		@@ -166,12 +302,31 @@ public class ProgramStore extends BaseObj {
		return this;
		}

		/**
		* Specifies how incoming pixels are combined with the pixels
		* stored in the framebuffer
		*
		* @param src specifies how the source blending factor is
		* computed
		* @param dst specifies how the destination blending factor is
		* computed
		*
		* @return this
		*/
		public Builder setBlendFunc(BlendSrcFunc src, BlendDstFunc dst) {
		mBlendSrc = src;
		mBlendDst = dst;
		return this;
		}

		/**
		* Enables dithering
		*
		* @param enable specifies whether dithering is enabled or
		* disabled
		*
		* @return this
		*/
		public Builder setDitherEnabled(boolean enable) {
		mDither = enable;
		return this;
		@@ -192,6 +347,9 @@ public class ProgramStore extends BaseObj {
		return new ProgramStore(id, rs);
		}

		/**
		* Creates a program store from the current state of the builder
		*/
		public ProgramStore create() {
		mRS.validate();
		return internalCreate(mRS, this);