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

Fragment shader for depth returns valid u8 values

Browse Source
This commit is contained in:
Abdelrahman Said 2024-09-14 18:32:00 +01:00
parent 0aacccdf67
commit bca5dafabf
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/shader/depth_shader.c
View File

@ -1,5 +1,7 @@
#include "depth_shader.h" #include "depth_shader.h"
#include "constants.h"
#include "shader.h" #include "shader.h"
#include "utils.h"
VertexData depth_shader_vertex(void *shader, const VertexData *vert, u8 index, const Model *model) { VertexData depth_shader_vertex(void *shader, const VertexData *vert, u8 index, const Model *model) {
DepthShader *shdr = (DepthShader *)shader; DepthShader *shdr = (DepthShader *)shader;
@ -20,7 +22,8 @@ FragmentResult depth_shader_fragment(void *shader, const V3f *barycentric, const
pos_mat = mat3x3_transpose(pos_mat); pos_mat = mat3x3_transpose(pos_mat);
V3f position = mat3x3_mul_vec3(pos_mat, (*barycentric)); V3f position = mat3x3_mul_vec3(pos_mat, (*barycentric));
V4f output = {.r = position.z, .g = position.z, .b = position.z, .a = 255}; f32 channel = clamp(position.z + DEPTH_MAX, 0.0f, DEPTH_MAX);
V4f output = {.r = channel, .g = channel, .b = channel, .a = 255};
return (FragmentResult){.colour = output}; return (FragmentResult){.colour = output};
} }