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-rwxr-xr-xpbr/1.1.lighting/build.sh5
-rw-r--r--pbr/1.1.lighting/default.vert2
-rw-r--r--pbr/1.1.lighting/gbuffer.vert9
-rw-r--r--pbr/1.1.lighting/lighting.c128
-rw-r--r--pbr/1.1.lighting/occlusion.frag14
-rw-r--r--pbr/1.1.lighting/ssao.frag45
-rw-r--r--pbr/1.1.lighting/ssao.vert14
7 files changed, 0 insertions, 217 deletions
diff --git a/pbr/1.1.lighting/build.sh b/pbr/1.1.lighting/build.sh
deleted file mode 100755
index 2cd71b7..0000000
--- a/pbr/1.1.lighting/build.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/bin/sh
-. ../../config
-TARGET='lighting'
-set -x
-gcc -o $TARGET $CFLAGS $INCLUDE $LFLAGS $TARGET.c $LIBS
diff --git a/pbr/1.1.lighting/default.vert b/pbr/1.1.lighting/default.vert
deleted file mode 100644
index d83afbf..0000000
--- a/pbr/1.1.lighting/default.vert
+++ /dev/null
@@ -1,2 +0,0 @@
-#version 330 core
-layout(location = 0)
diff --git a/pbr/1.1.lighting/gbuffer.vert b/pbr/1.1.lighting/gbuffer.vert
deleted file mode 100644
index c53439c..0000000
--- a/pbr/1.1.lighting/gbuffer.vert
+++ /dev/null
@@ -1,9 +0,0 @@
-#version 330 core
-
-layout(location = 0) in vec3 position;
-layout(location = 1) in vec3 normal;
-layout(location = 2) in vec2 tex_coords;
-
-out vert_t {
- vec2 tex_coords;
-} vert;
diff --git a/pbr/1.1.lighting/lighting.c b/pbr/1.1.lighting/lighting.c
deleted file mode 100644
index 87621ba..0000000
--- a/pbr/1.1.lighting/lighting.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#include "GL/glew.h"
-#include "GLFW/glfw3.h"
-#include "pwyazh.h"
-#include "common.h"
-
-typedef struct {
- Arena *arena;
- Input input;
- Camera camera;
- Mesh *cube;
- GLFWwindow *window;
-} state_t;
-
-static S32 width = 1600;
-static S32 height = 800;
-
-void die(const char *fmt, ...)
-{
- fprintf(stderr, "error: ");
- va_list args;
- va_start(args, fmt);
- vprintf(fmt, args);
- va_end(args);
- fprintf(stderr, "\n");
- exit(1);
-}
-
-void init_glfw(state_t *state) {
- glfwSetErrorCallback(error_callback);
- if (glfwInit() == GLFW_FALSE)
- die("failed to initialize glfw");
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
- glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
- glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
- state->window = glfwCreateWindow(width, height, "prb lighting", 0, 0);
- if (!state->window)
- die("failed to create window");
- glfwSetInputMode(state->window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
- glfwMakeContextCurrent(state->window);
-}
-
-void init_gl(void)
-{
- if (glewInit() != GLEW_OK)
- die("failed to initialize glew");
- glEnable(GL_DEPTH_TEST);
-}
-
-state_t init_state(void)
-{
- state_t state = {
- .arena = arena_alloc(Kilobytes(256)),
- .input = input_init(),
- .camera = {
- .pos = v3f(0.0f, 2.0f, 5.0f),
- .fovx = 90.0f,
- .near = 0.1f,
- .far = 100.0f,
- .yaw = 0.0f,
- .pitch = 0.0f
- },
- };
- return state;
-}
-
-int main(void)
-{
- state_t state = init_state();
-
- init_glfw(&state);
- init_gl();
-
- // meshes
- Mesh *cube = mesh_load_obj(state.arena, "../../data/models/cube.obj");
-
- // shaders
- U32 shader = load_shader("default.vert", "default.frag");
-
- F64 last_time = glfwGetTime();
- while (!glfwWindowShouldClose(state.window)) {
- F64 time = glfwGetTime();
- F32 dt = time - last_time;
- last_time = time;
-
- input_update_last_state(&state.input);
-
- glfwPollEvents();
- process_glfw_keyboard(state.window, &state.input);
- process_glfw_mouse_pos(state.window, &state.input);
-
- if (key_first_press(state.input.exit))
- glfwSetWindowShouldClose(state.window, GLFW_TRUE);
-
- F32 speed = 2.0f;
- V3F dv = get_dv_camera_first_person(&state.input, &state.camera, speed, dt);
- V3F camera_dp = v3f_add(camera_dp, dv);
- camera_dp = v3f_scalef(camera_dp, 0.8f);
- state.camera.pos = v3f_add(state.camera.pos, camera_dp);
-
- F32 sensitivity = 0.1f;
- state.input.mouse_offset = v2f_scalef(state.input.mouse_offset, sensitivity);
- state.camera.yaw += state.input.mouse_offset.x;
- state.camera.pitch += state.input.mouse_offset.y;
- if (state.camera.pitch > 89.0f)
- state.camera.pitch = 89.0f;
- if (state.camera.pitch < -89.0f)
- state.camera.pitch = -89.0f;
-
- // update
-
- // render
- F32 ar = (F32)width / (F32)height;
- MAT4 projection = camera_persp(state.camera, ar);
- MAT4 view = get_view_matrix(&state.camera);
-
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glUseProgram(shader);
- mesh_draw(cube);
- glUseProgram(0);
-
- glfwSwapBuffers(state.window);
- }
-
- return 0;
-}
diff --git a/pbr/1.1.lighting/occlusion.frag b/pbr/1.1.lighting/occlusion.frag
deleted file mode 100644
index 41a436b..0000000
--- a/pbr/1.1.lighting/occlusion.frag
+++ /dev/null
@@ -1,14 +0,0 @@
-#version 330 core
-
-in vert_t {
- vec2 tex_coords;
-} vert;
-
-out vec4 frag_color;
-
-uniform sampler2D colorbuffer;
-
-void main()
-{
- frag_color = vec4(vec3(texture(colorbuffer, vert.tex_coords).r), 1.0);
-}
diff --git a/pbr/1.1.lighting/ssao.frag b/pbr/1.1.lighting/ssao.frag
deleted file mode 100644
index dd03754..0000000
--- a/pbr/1.1.lighting/ssao.frag
+++ /dev/null
@@ -1,45 +0,0 @@
-#version 330 core
-
-in vert_t {
- vec2 tex_coords;
-} vert;
-
-out float frag_color;
-
-uniform sampler2D positions;
-uniform sampler2D normals;
-uniform sampler2D noise;
-
-uniform vec3 samples[64];
-uniform mat4 projection;
-
-const vec2 noise_scale = vec2(1600.0 / 4.0, 900.0 / 4.0);
-
-void main()
-{
- vec3 position = texture(positions, vert.tex_coords).rgb;
- vec3 normal = texture(normals, vert.tex_coords).rgb;
- vec3 random = texture(noise, vert.tex_coords * noise_scale).rgb;
-
- vec3 tangent = normalize(random - normal * dot(random, normal));
- vec3 bitangent = cross(normal, tangent);
- mat3 TBN = mat3(tangent, bitangent, normal);
-
- int nsamples = 64;
- float radius = 0.5;
- float bias = 0.025;
- float occlusion = 0.0;
- for (int i = 0; i < nsamples; i++) {
- vec3 sample = TBN * samples[i];
- sample = position + sample * radius;
- vec4 offset = vec4(sample, 1.0);
- offset = projection * offset;
- offset.xyz /= offset.w;
- offset.xyz = offset.xyz * 0.5 + 0.5;
- float depth = texture(positions, offset.xy).z;
- float range_check = smoothstep(0.0, 1.0, radius / abs(position.z - depth));
- occlusion += (depth >= sample.z + bias ? 1.0 : 0.0) * range_check;
- }
- occlusion = 1.0 - (occlusion / nsamples);
- frag_color = occlusion;
-}
diff --git a/pbr/1.1.lighting/ssao.vert b/pbr/1.1.lighting/ssao.vert
deleted file mode 100644
index eed3be3..0000000
--- a/pbr/1.1.lighting/ssao.vert
+++ /dev/null
@@ -1,14 +0,0 @@
-#version 330 core
-
-layout(location = 0) in vec3 position;
-layout(location = 2) in vec2 tex_coords;
-
-out vert_t {
- vec2 tex_coords;
-} vert;
-
-void main()
-{
- vert.tex_coords = tex_coords;
- gl_Position = vec4(position, 1.0);
-}
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