/**
* 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 Context to which the program will belong.
*/
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);
builder.setDepthFunc(ProgramStore.DepthFunc.ALWAYS);
builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE_MINUS_SRC_ALPHA);
builder.setDitherEnabled(false);
builder.setDepthMaskEnabled(false);
rs.mProgramStore_BLEND_ALPHA_DEPTH_NO_DEPTH = builder.create();
}
return rs.mProgramStore_BLEND_ALPHA_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 - incoming pixels override the
* value stored in the color buffer if it passes the depth test
*
* @param rs Context to which the program will belong.
*/
public static ProgramStore BLEND_NONE_DEPTH_TEST(RenderScript rs) {
if (rs.mProgramStore_BLEND_NONE_DEPTH_TEST == null) {
ProgramStore.Builder builder = new ProgramStore.Builder(rs);
builder.setDepthFunc(ProgramStore.DepthFunc.LESS);
builder.setBlendFunc(BlendSrcFunc.ONE, BlendDstFunc.ZERO);
builder.setDitherEnabled(false);
builder.setDepthMaskEnabled(true);
rs.mProgramStore_BLEND_NONE_DEPTH_TEST = builder.create();
}
return rs.mProgramStore_BLEND_NONE_DEPTH_TEST;
}
private void createProgramFragmentStore() {
ProgramStore.Builder builder = new ProgramStore.Builder(mRS);
builder.setDepthFunc(ALWAYS);
builder.setBlendFunc(BlendSrcFunc.ONE, BlendDstFunc.ONE);
builder.setDitherEnabled(false);
builder.setDepthMaskEnabled(true);
mPfsBackground = builder.create();
builder = new ProgramStore.Builder(mRS);
builder.setDepthFunc(ALWAYS);
builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE_MINUS_SRC_ALPHA);
builder.setDitherEnabled(false);
builder.setDepthMaskEnabled(true);
mPfsLeaf = builder.create();
mScript.set_g_PFSLeaf(mPfsLeaf);
mScript.set_g_PFSBackground(mPfsBackground);
}
private void createProgramFragmentStore() {
ProgramStore.Builder builder = new ProgramStore.Builder(mRS);
builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE);
mRS.bindProgramStore(builder.create());
}