TextureSize implementation
Initial TextureSize parsing and implementation
Change-Id: I8b9b1808366b1013a5001e2dfa15a26d8471ab6a
Reviewed-on: https://swiftshader-review.googlesource.com/3753
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
diff --git a/src/Shader/PixelProgram.cpp b/src/Shader/PixelProgram.cpp
index aca41bd..80fe7d6 100644
--- a/src/Shader/PixelProgram.cpp
+++ b/src/Shader/PixelProgram.cpp
@@ -267,6 +267,7 @@
case Shader::OPCODE_TEX: TEXLD(r, d, s0, src1, project, bias); break;
case Shader::OPCODE_TEXLDD: TEXLDD(r, d, s0, src1, s2, s3, project, bias); break;
case Shader::OPCODE_TEXLDL: TEXLDL(r, d, s0, src1, project, bias); break;
+ case Shader::OPCODE_TEXSIZE: TEXSIZE(r, d, s0.x, src1); break;
case Shader::OPCODE_TEXKILL: TEXKILL(cMask, d, dst.mask); break;
case Shader::OPCODE_DISCARD: DISCARD(r, cMask, instruction); break;
case Shader::OPCODE_DFDX: DFDX(d, s0); break;
@@ -1020,6 +1021,18 @@
dst.w = tmp[(src1.swizzle >> 6) & 0x3];
}
+ void PixelProgram::TEXSIZE(Registers &r, Vector4f &dst, Float4 &lod, const Src &src1)
+ {
+ Pointer<Byte> textureMipmap = r.data + OFFSET(DrawData, mipmap) + src1.index * sizeof(Texture) + OFFSET(Texture, mipmap);
+ for(int i = 0; i < 4; ++i)
+ {
+ Pointer<Byte> mipmap = textureMipmap + (As<Int>(Extract(lod, i)) + Int(1)) * sizeof(Mipmap);
+ dst.x = Insert(dst.x, As<Float>(Int(*Pointer<Short>(mipmap + OFFSET(Mipmap, width)))), i);
+ dst.y = Insert(dst.y, As<Float>(Int(*Pointer<Short>(mipmap + OFFSET(Mipmap, height)))), i);
+ dst.z = Insert(dst.z, As<Float>(Int(*Pointer<Short>(mipmap + OFFSET(Mipmap, depth)))), i);
+ }
+ }
+
void PixelProgram::TEXKILL(Int cMask[4], Vector4f &src, unsigned char mask)
{
Int kill = -1;
