rpcsx/rpcs3/Emu/RSX/GL/GLCommonDecompiler.cpp
kd-11 6a707f515e vk/gl: Factorize shared GLSL code
- prep vulkan for shared glsl backend
2017-08-16 23:58:30 +03:00

71 lines
2.5 KiB
C++

#include "stdafx.h"
#include "GLCommonDecompiler.h"
std::string getFunctionImpl(FUNCTION f)
{
switch (f)
{
default:
abort();
case FUNCTION::FUNCTION_DP2:
return "vec4(dot($0.xy, $1.xy))";
case FUNCTION::FUNCTION_DP2A:
return "vec4(dot($0.xy, $1.xy) + $2.x)";
case FUNCTION::FUNCTION_DP3:
return "vec4(dot($0.xyz, $1.xyz))";
case FUNCTION::FUNCTION_DP4:
return "vec4(dot($0, $1))";
case FUNCTION::FUNCTION_DPH:
return "vec4(dot(vec4($0.xyz, 1.0), $1))";
case FUNCTION::FUNCTION_SFL:
return "vec4(0., 0., 0., 0.)";
case FUNCTION::FUNCTION_STR:
return "vec4(1., 1., 1., 1.)";
case FUNCTION::FUNCTION_FRACT:
return "fract($0)";
case FUNCTION::FUNCTION_REFL:
return "vec4($0 - 2.0 * (dot($0, $1)) * $1)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE1D:
return "texture($t, $0.x)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE1D_PROJ:
return "textureProj($t, $0.x, $1.x)"; // Note: $1.x is bias
case FUNCTION::FUNCTION_TEXTURE_SAMPLE1D_LOD:
return "textureLod($t, $0.x, $1.x)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE1D_GRAD:
return "textureGrad($t, $0.x, $1.x, $2.x)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE2D:
return "texture($t, $0.xy * $t_coord_scale)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE2D_PROJ:
return "textureProj($t, $0 , $1.x)"; // Note: $1.x is bias
case FUNCTION::FUNCTION_TEXTURE_SAMPLE2D_LOD:
return "textureLod($t, $0.xy * $t_coord_scale, $1.x)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE2D_GRAD:
return "textureGrad($t, $0.xy * $t_coord_scale , $1.xy, $2.xy)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLECUBE:
return "texture($t, $0.xyz)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLECUBE_PROJ:
return "texture($t, ($0.xyz / $0.w))";
case FUNCTION::FUNCTION_TEXTURE_SAMPLECUBE_LOD:
return "textureLod($t, $0.xyz, $1.x)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLECUBE_GRAD:
return "textureGrad($t, $0.xyz, $1.xyz, $2.xyz)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE3D:
return "texture($t, $0.xyz)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE3D_PROJ:
return "textureProj($t, $0.xyzw, $1.x)"; // Note: $1.x is bias
case FUNCTION::FUNCTION_TEXTURE_SAMPLE3D_LOD:
return "textureLod($t, $0.xyz, $1.x)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE3D_GRAD:
return "textureGrad($t, $0.xyz, $1.xyz, $2.xyz)";
case FUNCTION::FUNCTION_DFDX:
return "dFdx($0)";
case FUNCTION::FUNCTION_DFDY:
return "dFdy($0)";
case FUNCTION::FUNCTION_VERTEX_TEXTURE_FETCH2D:
return "textureLod($t, $0.xy, 0)";
case FUNCTION::FUNCTION_TEXTURE_SAMPLE2D_DEPTH_RGBA:
return "texture2DReconstruct($t, $0.xy * $t_coord_scale)";
}
}