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Refactor shaders

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This commit is contained in:
ns6089
2023-09-10 12:36:08 +03:00
committed by Cameron Gutman
parent 2086cad96e
commit 7f2b96b3e0
30 changed files with 301 additions and 497 deletions
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45
src_assets/windows/assets/shaders/directx/include/base_vs.hlsl Normal file
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#include "include/base_vs_types.hlsl"
#if defined(LEFT_SUBSAMPLING)
vertex_t generate_fullscreen_triangle_vertex(uint vertex_id, float subsample_offset, int rotate_texture_steps)
#elif defined (TOPLEFT_SUBSAMPLING)
vertex_t generate_fullscreen_triangle_vertex(uint vertex_id, float2 subsample_offset, int rotate_texture_steps)
#else
vertex_t generate_fullscreen_triangle_vertex(uint vertex_id, int rotate_texture_steps)
#endif
{
vertex_t output;
float2 tex_coord;
if (vertex_id == 0) {
output.viewpoint_pos = float4(-1, -1, 0, 1);
tex_coord = float2(0, 1);
}
else if (vertex_id == 1) {
output.viewpoint_pos = float4(-1, 3, 0, 1);
tex_coord = float2(0, -1);
}
else if (vertex_id == 2) {
output.viewpoint_pos = float4(3, -1, 0, 1);
tex_coord = float2(2, 1);
}
if (rotate_texture_steps != 0) {
float rotation_radians = radians(90 * rotate_texture_steps);
float2x2 rotation_matrix = { cos(rotation_radians), -sin(rotation_radians),
sin(rotation_radians), cos(rotation_radians) };
float2 rotation_center = { 0.5, 0.5 };
tex_coord = round(tex_coord + mul(rotation_matrix, tex_coord - rotation_center));
}
#if defined(LEFT_SUBSAMPLING)
output.tex_right_left_center = float3(tex_coord.x, tex_coord.x - subsample_offset, tex_coord.y);
#elif defined (TOPLEFT_SUBSAMPLING)
output.tex_right_left_top = float3(tex_coord.x, tex_coord.x - subsample_offset.x, tex_coord.y - subsample_offset.y);
output.tex_right_left_bottom = float3(tex_coord.x, tex_coord.x - subsample_offset.x, tex_coord.y);
#else
output.tex_coord = tex_coord;
#endif
return output;
}