abdelrahman/tinyrenderer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Reformatting and cleanup

Browse Source
This commit is contained in:
Abdelrahman Said 2024-09-14 00:59:49 +01:00
parent 72ab9f6aa2
commit 390ab7c3b4
3 changed files with 8 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/shader/depth_shader.c
View File

@ -19,14 +19,12 @@ FragmentResult depth_shader_fragment(void *shader, const V3f *barycentric, const
const Model *model) {
DepthShader *shdr = (DepthShader *)shader;
// clang-format off
M3x3f pos_mat = {.rows = {shdr->vertices[0].position, shdr->vertices[1].position, shdr->vertices[2].position}};
pos_mat = mat3x3_transpose(pos_mat);
// clang-format on
V3f position = mat3x3_mul_vec3(pos_mat, (*barycentric));
f32 channel = clamp(position.z + DEPTH_MAX, 0.0f, DEPTH_MAX);
Colour output = {.r = (u8)(channel), .g = (u8)(channel), .b = (u8)(channel), .a = 255};
V3f position = mat3x3_mul_vec3(pos_mat, (*barycentric));
f32 channel = clamp(position.z + DEPTH_MAX, 0.0f, DEPTH_MAX);
Colour output = {.r = (u8)(channel), .g = (u8)(channel), .b = (u8)(channel), .a = 255};
return (FragmentResult){.colour = output};
}

13
src/shader/main_shader.c
View File

@ -48,8 +48,8 @@ FragmentResult diffuse_shader_fragment(void *shader, const V3f *barycentric, con
u64 nm_x = uv.u * model->normal->width;
u64 nm_y = uv.v * model->normal->height;
Colour pixel = get_pixel(Colour, model->normal, nm_x, nm_y);
V3f tangent = (V3f){
Colour pixel = get_pixel(Colour, model->normal, nm_x, nm_y);
V3f tangent = (V3f){
.x = pixel.r / 255.f * 2.f - 1.f,
.y = pixel.g / 255.f * 2.f - 1.f,
.z = pixel.b / 255.f * 2.f - 1.f,
@ -58,7 +58,7 @@ FragmentResult diffuse_shader_fragment(void *shader, const V3f *barycentric, con
V3f p0p1 = sub_v3(shdr->vertices[1].position, shdr->vertices[0].position);
V3f p0p2 = sub_v3(shdr->vertices[2].position, shdr->vertices[0].position);
M3x3f A = {.rows = {p0p1, p0p2, normal}};
M3x3f A = {.rows = {p0p1, p0p2, normal}};
M3x3f A_inv = mat3x3_inv(A);
V2f uv0 = shdr->vertices[0].uv;
@ -106,12 +106,9 @@ FragmentResult albedo_shader_fragment(void *shader, const V3f *barycentric, cons
const Model *model) {
Shader *shdr = (Shader *)shader;
// clang-format off
M3x2f uvs = {shdr->vertices[0].uv, shdr->vertices[1].uv, shdr->vertices[2].uv};
M3x2f uvs = {shdr->vertices[0].uv, shdr->vertices[1].uv, shdr->vertices[2].uv};
M2x3f uv_mat = mat3x2_transpose(uvs);
// clang-format on
V2f uv = mat2x3_mul_vec3(uv_mat, (*barycentric));
V2f uv = mat2x3_mul_vec3(uv_mat, (*barycentric));
Colour output;
if (model->texture) {

2
src/vec/vec.c
View File

@ -29,14 +29,12 @@ M4x4f lookat(V3f eye, V3f target, V3f up) {
}
M4x4f projection(f32 coeff) {
// clang-format off
return (M4x4f){
.row0 = {1.0f, 0.0f, 0.0f, 0.0f},
.row1 = {0.0f, 1.0f, 0.0f, 0.0f},
.row2 = {0.0f, 0.0f, 1.0f, 0.0f},
.row3 = {0.0f, 0.0f, coeff, 1.0f},
};
// clang-format on
}
M4x4f viewport(f32 x, f32 y, u64 w, u64 h) {