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/VertexProgram.cpp b/src/Shader/VertexProgram.cpp
index 2040480..916a7fd 100644
--- a/src/Shader/VertexProgram.cpp
+++ b/src/Shader/VertexProgram.cpp
@@ -289,6 +289,7 @@
case Shader::OPCODE_NE: notEqual(d, s0, s1); break;
case Shader::OPCODE_TEXLDL: TEXLDL(r, d, s0, src1); break;
case Shader::OPCODE_TEX: TEX(r, d, s0, src1); break;
+ case Shader::OPCODE_TEXSIZE: TEXSIZE(r, d, s0.x, src1); break;
case Shader::OPCODE_END: break;
default:
ASSERT(false);
@@ -1487,6 +1488,18 @@
dst.w = tmp[(src1.swizzle >> 6) & 0x3];
}
+ void VertexProgram::TEXSIZE(Registers &r, Vector4f &dst, Float4 &lod, const Src &src1)
+ {
+ Pointer<Byte> textureMipmap = r.data + OFFSET(DrawData, mipmap[16]) + 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 VertexProgram::sampleTexture(Registers &r, Vector4f &c, const Src &s, Float4 &u, Float4 &v, Float4 &w, Float4 &q)
{
if(s.type == Shader::PARAMETER_SAMPLER && s.rel.type == Shader::PARAMETER_VOID)
