Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

VideoCore: Extract swrast-specific data from OutputVertex

Browse source
This commit is contained in:
Yuri Kunde Schlesner 2016-12-18 23:43:37 -08:00
parent 8ed9f9d49f
commit dcdffabfe6
5 changed files with 64 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

40
src/video_core/rasterizer.h
View file

@ -4,16 +4,44 @@
#pragma once
namespace Pica {
#include "video_core/shader/shader.h"
namespace Shader {
struct OutputVertex;
}
namespace Pica {
namespace Rasterizer {
void ProcessTriangle(const Shader::OutputVertex& v0, const Shader::OutputVertex& v1,
const Shader::OutputVertex& v2);
struct Vertex : Shader::OutputVertex {
Vertex(const OutputVertex& v) : OutputVertex(v) {}
// Attributes used to store intermediate results
// position after perspective divide
Math::Vec3<float24> screenpos;
// Linear interpolation
// factor: 0=this, 1=vtx
void Lerp(float24 factor, const Vertex& vtx) {
pos = pos * factor + vtx.pos * (float24::FromFloat32(1) - factor);
// TODO: Should perform perspective correct interpolation here...
tc0 = tc0 * factor + vtx.tc0 * (float24::FromFloat32(1) - factor);
tc1 = tc1 * factor + vtx.tc1 * (float24::FromFloat32(1) - factor);
tc2 = tc2 * factor + vtx.tc2 * (float24::FromFloat32(1) - factor);
screenpos = screenpos * factor + vtx.screenpos * (float24::FromFloat32(1) - factor);
color = color * factor + vtx.color * (float24::FromFloat32(1) - factor);
}
// Linear interpolation
// factor: 0=v0, 1=v1
static Vertex Lerp(float24 factor, const Vertex& v0, const Vertex& v1) {
Vertex ret = v0;
ret.Lerp(factor, v1);
return ret;
}
};
void ProcessTriangle(const Vertex& v0, const Vertex& v1, const Vertex& v2);
} // namespace Rasterizer