Shader changes to allow for more flexible constant binding. (c984dd73) · Commits · e / os / android_frameworks_base

graphics/java/android/renderscript/ProgramFragment.java

+92 −14

Original line number	Diff line number	Diff line
		@@ -62,9 +62,9 @@ public class ProgramFragment extends Program {
		}
		}

		public static class Builder {
		public static class Builder extends ShaderBuilder {
		public static final int MAX_TEXTURE = 2;
		RenderScript mRS;
		int mNumTextures;
		boolean mPointSpriteEnable;
		boolean mVaryingColorEnable;

		@@ -101,7 +101,72 @@ public class ProgramFragment extends Program {
		}
		Slot[] mSlots;

		private void buildShaderString() {
		mShader = "//rs_shader_internal\n";
		mShader += "varying lowp vec4 varColor;\n";
		mShader += "varying vec4 varTex0;\n";

		mShader += "void main() {\n";
		if (mVaryingColorEnable) {
		mShader += " lowp vec4 col = varColor;\n";
		} else {
		mShader += " lowp vec4 col = UNI_Color;\n";
		}

		if (mNumTextures != 0) {
		if (mPointSpriteEnable) {
		mShader += " vec2 t0 = gl_PointCoord;\n";
		} else {
		mShader += " vec2 t0 = varTex0.xy;\n";
		}
		}

		for(int i = 0; i < mNumTextures; i ++) {
		switch(mSlots[i].env) {
		case REPLACE:
		switch (mSlots[i].format) {
		case ALPHA:
		mShader += " col.a = texture2D(UNI_Tex0, t0).a;\n";
		break;
		case LUMINANCE_ALPHA:
		mShader += " col.rgba = texture2D(UNI_Tex0, t0).rgba;\n";
		break;
		case RGB:
		mShader += " col.rgb = texture2D(UNI_Tex0, t0).rgb;\n";
		break;
		case RGBA:
		mShader += " col.rgba = texture2D(UNI_Tex0, t0).rgba;\n";
		break;
		}
		break;
		case MODULATE:
		switch (mSlots[i].format) {
		case ALPHA:
		mShader += " col.a *= texture2D(UNI_Tex0, t0).a;\n";
		break;
		case LUMINANCE_ALPHA:
		mShader += " col.rgba *= texture2D(UNI_Tex0, t0).rgba;\n";
		break;
		case RGB:
		mShader += " col.rgb *= texture2D(UNI_Tex0, t0).rgb;\n";
		break;
		case RGBA:
		mShader += " col.rgba *= texture2D(UNI_Tex0, t0).rgba;\n";
		break;
		}
		break;
		case DECAL:
		mShader += " col = texture2D(UNI_Tex0, t0);\n";
		break;
		}
		}

		mShader += " gl_FragColor = col;\n";
		mShader += "}\n";
		}

		public Builder(RenderScript rs) {
		super(rs);
		mRS = rs;
		mSlots = new Slot[MAX_TEXTURE];
		mPointSpriteEnable = false;
		@@ -126,22 +191,35 @@ public class ProgramFragment extends Program {
		return this;
		}

		@Override
		public ProgramFragment create() {
		mRS.validate();
		int[] tmp = new int[MAX_TEXTURE * 2 + 2];
		if (mSlots[0] != null) {
		tmp[0] = mSlots[0].env.mID;
		tmp[1] = mSlots[0].format.mID;
		}
		if (mSlots[1] != null) {
		tmp[2] = mSlots[1].env.mID;
		tmp[3] = mSlots[1].format.mID;
		}
		tmp[4] = mPointSpriteEnable ? 1 : 0;
		tmp[5] = mVaryingColorEnable ? 1 : 0;
		int id = mRS.nProgramFragmentCreate(tmp);
		ProgramFragment pf = new ProgramFragment(id, mRS);
		mNumTextures = 0;
		for(int i = 0; i < MAX_TEXTURE; i ++) {
		if(mSlots[i] != null) {
		mNumTextures ++;
		}
		}
		buildShaderString();
		Type constType = null;
		if (!mVaryingColorEnable) {
		Element.Builder b = new Element.Builder(mRS);
		b.add(Element.F32_4(mRS), "Color");
		Type.Builder typeBuilder = new Type.Builder(mRS, b.create());
		typeBuilder.add(Dimension.X, 1);
		constType = typeBuilder.create();
		addConstant(constType);
		}
		setTextureCount(mNumTextures);

		ProgramFragment pf = super.create();
		pf.mTextureCount = MAX_TEXTURE;
		if (!mVaryingColorEnable) {
		Allocation constantData = Allocation.createTyped(mRS,constType);
		float[] data = new float[4];
		data[0] = data[1] = data[2] = data[3] = 1.0f;
		constantData.data(data);
		pf.bindConstants(constantData, 0);
		}
		return pf;
		}
		}

graphics/java/android/renderscript/ProgramVertex.java

+83 −30

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package android.renderscript;


		import android.graphics.Matrix;
		import android.util.Config;
		import android.util.Log;

		@@ -38,29 +39,6 @@ public class ProgramVertex extends Program {
		bindConstants(va.mAlloc, 0);
		}


		public static class Builder {
		RenderScript mRS;
		boolean mTextureMatrixEnable;

		public Builder(RenderScript rs, Element in, Element out) {
		mRS = rs;
		}
		public Builder(RenderScript rs) {
		mRS = rs;
		}

		public Builder setTextureMatrixEnable(boolean enable) {
		mTextureMatrixEnable = enable;
		return this;
		}

		public ProgramVertex create() {
		int id = mRS.nProgramVertexCreate(mTextureMatrixEnable);
		return new ProgramVertex(id, mRS);
		}
		}

		public static class ShaderBuilder extends BaseProgramBuilder {
		public ShaderBuilder(RenderScript rs) {
		super(rs);
		@@ -93,6 +71,68 @@ public class ProgramVertex extends Program {
		}
		}

		public static class Builder extends ShaderBuilder {
		boolean mTextureMatrixEnable;

		public Builder(RenderScript rs, Element in, Element out) {
		super(rs);
		}
		public Builder(RenderScript rs) {
		super(rs);
		}

		public Builder setTextureMatrixEnable(boolean enable) {
		mTextureMatrixEnable = enable;
		return this;
		}
		static Type getConstantInputType(RenderScript rs) {
		Element.Builder b = new Element.Builder(rs);
		b.add(Element.MATRIX4X4(rs), "MV");
		b.add(Element.MATRIX4X4(rs), "P");
		b.add(Element.MATRIX4X4(rs), "TexMatrix");
		b.add(Element.MATRIX4X4(rs), "MVP");

		Type.Builder typeBuilder = new Type.Builder(rs, b.create());
		typeBuilder.add(Dimension.X, 1);
		return typeBuilder.create();
		}

		private void buildShaderString() {

		mShader = "//rs_shader_internal\n";
		mShader += "varying vec4 varColor;\n";
		mShader += "varying vec4 varTex0;\n";

		mShader += "void main() {\n";
		mShader += " gl_Position = UNI_MVP * ATTRIB_position;\n";
		mShader += " gl_PointSize = 1.0;\n";

		mShader += " varColor = ATTRIB_color;\n";
		if (mTextureMatrixEnable) {
		mShader += " varTex0 = UNI_TexMatrix * ATTRIB_texture0;\n";
		} else {
		mShader += " varTex0 = ATTRIB_texture0;\n";
		}
		mShader += "}\n";
		}

		@Override
		public ProgramVertex create() {
		buildShaderString();

		addConstant(getConstantInputType(mRS));

		Element.Builder b = new Element.Builder(mRS);
		b.add(Element.F32_4(mRS), "position");
		b.add(Element.F32_4(mRS), "color");
		b.add(Element.F32_3(mRS), "normal");
		b.add(Element.F32_4(mRS), "texture0");
		addInput(b.create());

		return super.create();
		}
		}



		public static class MatrixAllocation {
		@@ -105,9 +145,14 @@ public class ProgramVertex extends Program {
		Matrix4f mTexture;

		public Allocation mAlloc;
		private FieldPacker mIOBuffer;

		public MatrixAllocation(RenderScript rs) {
		mAlloc = Allocation.createSized(rs, Element.createUser(rs, Element.DataType.FLOAT_32), 48);
		Type constInputType = ProgramVertex.Builder.getConstantInputType(rs);
		mAlloc = Allocation.createTyped(rs, constInputType);
		int bufferSize = constInputType.getElement().getSizeBytes()*
		constInputType.getElementCount();
		mIOBuffer = new FieldPacker(bufferSize);
		loadModelview(new Matrix4f());
		loadProjection(new Matrix4f());
		loadTexture(new Matrix4f());
		@@ -118,24 +163,32 @@ public class ProgramVertex extends Program {
		mAlloc = null;
		}

		private void addToBuffer(int offset, Matrix4f m) {
		mIOBuffer.reset(offset);
		for(int i = 0; i < 16; i ++) {
		mIOBuffer.addF32(m.mMat[i]);
		}
		mAlloc.data(mIOBuffer.getData());
		}

		public void loadModelview(Matrix4f m) {
		mModel = m;
		mAlloc.subData1D(MODELVIEW_OFFSET, 16, m.mMat);
		addToBuffer(MODELVIEW_OFFSET*4, m);
		}

		public void loadProjection(Matrix4f m) {
		mProjection = m;
		mAlloc.subData1D(PROJECTION_OFFSET, 16, m.mMat);
		addToBuffer(PROJECTION_OFFSET*4, m);
		}

		public void loadTexture(Matrix4f m) {
		mTexture = m;
		mAlloc.subData1D(TEXTURE_OFFSET, 16, m.mMat);
		addToBuffer(TEXTURE_OFFSET*4, m);
		}

		public void setupOrthoWindow(int w, int h) {
		mProjection.loadOrtho(0,w, h,0, -1,1);
		mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
		addToBuffer(PROJECTION_OFFSET*4, mProjection);
		}

		public void setupOrthoNormalized(int w, int h) {
		@@ -147,7 +200,7 @@ public class ProgramVertex extends Program {
		float aspect = ((float)h) / w;
		mProjection.loadOrtho(-1,1, -aspect,aspect, -1,1);
		}
		mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
		addToBuffer(PROJECTION_OFFSET*4, mProjection);
		}

		public void setupProjectionNormalized(int w, int h) {
		@@ -173,7 +226,7 @@ public class ProgramVertex extends Program {
		m1.loadMultiply(m1, m2);

		mProjection = m1;
		mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat);
		addToBuffer(PROJECTION_OFFSET*4, mProjection);
		}

		}

libs/rs/RenderScriptEnv.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -28,4 +28,4 @@ typedef struct {
		#define RS_PROGRAM_VERTEX_MODELVIEW_OFFSET 0
		#define RS_PROGRAM_VERTEX_PROJECTION_OFFSET 16
		#define RS_PROGRAM_VERTEX_TEXTURE_OFFSET 32

		#define RS_PROGRAM_VERTEX_MVP_OFFSET 48

libs/rs/java/Samples/res/raw/shaderf.glsl

+2 −1

Original line number	Diff line number	Diff line
		@@ -3,10 +3,11 @@ varying lowp float light0_Diffuse;
		varying lowp float light0_Specular;
		varying lowp float light1_Diffuse;
		varying lowp float light1_Specular;
		varying vec2 varTex0;

		void main() {
		vec2 t0 = varTex0.xy;
		lowp vec4 col = texture2D(uni_Tex0, t0).rgba;
		lowp vec4 col = texture2D(UNI_Tex0, t0).rgba;
		col.xyz = col.xyz * (light0_Diffuse * UNI_light0_DiffuseColor + light1_Diffuse * UNI_light1_DiffuseColor);
		col.xyz += light0_Specular * UNI_light0_SpecularColor;
		col.xyz += light1_Specular * UNI_light1_SpecularColor;

libs/rs/java/Samples/res/raw/shaderv.glsl

+2 −14

Original line number	Diff line number	Diff line
		@@ -2,24 +2,12 @@ varying float light0_Diffuse;
		varying float light0_Specular;
		varying float light1_Diffuse;
		varying float light1_Specular;

		/*
		rs_matrix4x4 model;
		float3 light0_Posision;
		float light0_Diffuse;
		float light0_Specular;
		float light0_CosinePower;

		float3 light1_Posision;
		float light1_Diffuse;
		float light1_Specular;
		float light1_CosinePower;
		*/
		varying vec2 varTex0;

		// This is where actual shader code begins
		void main() {
		vec4 worldPos = UNI_model * ATTRIB_position;
		gl_Position = UNI_MVP * worldPos;
		gl_Position = UNI_proj * worldPos;

		mat3 model3 = mat3(UNI_model[0].xyz, UNI_model[1].xyz, UNI_model[2].xyz);
		vec3 worldNorm = model3 * ATTRIB_normal;