debug chapterHEADmaster

1 files changed, 0 insertions, 230 deletions

diff --git a/pbr/2.1.2.ibl_irradiance/ibl_irradiance.c b/pbr/2.1.2.ibl_irradiance/ibl_irradiance.c
deleted file mode 100644
index e6f1390..0000000
--- a/pbr/2.1.2.ibl_irradiance/ibl_irradiance.c
+++ /dev/null
@@ -1,230 +0,0 @@
-#include "GL/glew.h"
-#include "GLFW/glfw3.h"
-#include "common.h"
-
-int main(void)
-{
-	state_t state = init_state(1600, 800);
-
-	init_glfw(&state);
-	init_gl();
-	glDepthFunc(GL_LEQUAL);
-
-	/* meshes */
-	Mesh *cube = mesh_load_obj(state.arena, "../../data/models/cube.obj");
-	Mesh *sphere = mesh_load_obj(state.arena, "../../data/models/sphere.obj");
-	Mesh *quad = mesh_gen_quad(state.arena);
-
-	/* shaders */
-	add_shader("pbr.vert",        "pbr.frag",        0);
-	add_shader("hdr.vert",        "hdr.frag",        0);
-	add_shader("cubemap.vert",    "cubemap.frag",    0);
-	add_shader("background.vert", "background.frag", 0);
-	add_shader("convolution.vert", "convolution.frag", 0);
-
-	light_t lights[4] = {
-		{{-10.0f, 0.0f, 20.0f}, {300.0f, 300.0f, 300.0f}},
-		{{-5.0f,  0.0f, 20.0f}, {300.0f, 300.0f, 300.0f}},
-		{{ 5.0f,  0.0f, 20.0f}, {300.0f, 300.0f, 300.0f}},
-		{{ 10.0f, 0.0f, 20.0f}, {300.0f, 300.0f, 300.0f}},
-	};
-
-	/* textures */
-	U32 hdr_texture = load_hdr_texture("../../data/textures/loigerwiesen.hdr");;
-
-	/* framebuffers */
-	U32 hdr_fbo, hdr_colorbuffer, hdr_rbo;
-	glGenFramebuffers(1, &hdr_fbo);
-	glGenTextures(1, &hdr_colorbuffer);
-	glBindTexture(GL_TEXTURE_2D, hdr_colorbuffer);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, state.width, state.height, 0, GL_RGBA, GL_FLOAT, 0);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glGenRenderbuffers(1, &hdr_rbo);
-	glBindRenderbuffer(GL_RENDERBUFFER, hdr_rbo);
-	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, state.width, state.height);
-	glBindFramebuffer(GL_FRAMEBUFFER, hdr_fbo);
-	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, hdr_colorbuffer, 0);
-	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, hdr_rbo);
-	if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
-		die("failed to create framebuffer");
-	glBindRenderbuffer(GL_RENDERBUFFER, 0);
-	glBindTexture(GL_TEXTURE_2D, 0);
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-	U32 capture_fbo, capture_rbo;
-	glGenFramebuffers(1, &capture_fbo);
-	glGenRenderbuffers(1, &capture_rbo);
-	glBindFramebuffer(GL_FRAMEBUFFER, capture_fbo);
-	glBindRenderbuffer(GL_RENDERBUFFER, capture_rbo);
-	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, 512, 512);
-	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, capture_rbo);
-	if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
-		die("failed to create framebuffer");
-	glBindRenderbuffer(GL_RENDERBUFFER, 0);
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-	U32 cubemap;
-	glGenTextures(1, &cubemap);
-	glBindTexture(GL_TEXTURE_CUBE_MAP, cubemap);
-	for (U32 i = 0; i < 6; i++)
-		glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, 512, 512, 0, GL_RGB, GL_FLOAT, 0);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-
-	MAT4 capture_projection = perspective(90.0f, 1.0f, 0.1f, 10.0f);
-	V3F capture_origin = {0};
-	MAT4 capture_views[6] = {
-		look_at(capture_origin, v3f( 1.0f,  0.0f,  0.0f), v3f(0.0f, -1.0f,  0.0f)),
-		look_at(capture_origin, v3f(-1.0f,  0.0f,  0.0f), v3f(0.0f, -1.0f,  0.0f)),
-		look_at(capture_origin, v3f( 0.0f,  1.0f,  0.0f), v3f(0.0f,  0.0f,  1.0f)),
-		look_at(capture_origin, v3f( 0.0f, -1.0f,  0.0f), v3f(0.0f,  0.0f, -1.0f)),
-		look_at(capture_origin, v3f( 0.0f,  0.0f,  1.0f), v3f(0.0f, -1.0f,  0.0f)),
-		look_at(capture_origin, v3f( 0.0f,  0.0f, -1.0f), v3f(0.0f, -1.0f,  0.0f)),
-	};
-
-	glBindFramebuffer(GL_FRAMEBUFFER, capture_fbo);
-	U32 shader = find_shader("cubemap");
-	if (!shader) die("waht");
-	glUseProgram(shader);
-	shader_set_mat4fv(shader, "projection", capture_projection);
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_2D, hdr_texture);
-
-	glViewport(0, 0, 512, 512);
-	for (U32 i = 0; i < 6; i++) {
-		shader_set_mat4fv(shader, "view", capture_views[i]);
-		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, cubemap, 0);
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-		mesh_draw(cube);
-	}
-	glUseProgram(0);
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-	U32 irradiance_map;
-	glGenTextures(1, &irradiance_map);
-	glBindTexture(GL_TEXTURE_CUBE_MAP, irradiance_map);
-	for (U32 i = 0; i < 6; i++)
-		glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB16F, 32, 32, 0, GL_RGB, GL_FLOAT, 0);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-	glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, capture_fbo);
-	glBindRenderbuffer(GL_RENDERBUFFER, capture_rbo);
-	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, 32, 32);
-	glBindRenderbuffer(GL_RENDERBUFFER, 0);
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-	glBindFramebuffer(GL_FRAMEBUFFER, capture_fbo);
-	shader = find_shader("convolution");
-	glUseProgram(shader);
-	shader_set_mat4fv(shader, "projection", capture_projection);
-	glActiveTexture(GL_TEXTURE0);
-	glBindTexture(GL_TEXTURE_CUBE_MAP, cubemap);
-	glViewport(0, 0, 32, 32);
-	for (U32 i = 0; i < 6; i++) {
-		shader_set_mat4fv(shader, "view", capture_views[i]);
-		glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, irradiance_map, 0);
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-		mesh_draw(cube);
-	}
-	glUseProgram(0);
-	glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-	glViewport(0, 0, state.width, state.height);
-
-	F32 time = 0;
-
-	while (!glfwWindowShouldClose(state.window)) {
-		handle_glfw_events(state.window, &state.input);
-		F32 dt = lock_framerate(60);
-		fps_info(dt, 10);
-
-		/* update */
-		update_camera_first_person(&state.camera, &state.input, dt, 2.0f);
-		F32 limit = 4.0f;
-		for (U32 i = 0; i < (sizeof(lights) / sizeof(lights[0])); i++)
-			lights[i].position.y = sinf(time + i) * limit;
-		time += dt;
-
-		/* render */
-		F32 ar = (F32)state.width / (F32)state.height;
-		MAT4 projection = camera_persp(state.camera, ar);
-		MAT4 view = get_view_matrix(&state.camera);
-
-		glClearColor(0.16f, 0.16f, 0.16f, 1.0f);
-
-		glBindFramebuffer(GL_FRAMEBUFFER, hdr_fbo);
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-		shader = find_shader("pbr");
-		glUseProgram(shader);
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(GL_TEXTURE_CUBE_MAP, irradiance_map);
-		shader_set_mat4fv(shader, "projection", projection);
-		shader_set_mat4fv(shader, "view", view);
-		shader_set_3fv(shader, "camera", state.camera.pos);
-		shader_set_3fv(shader, "color", v3f(0.04, 0.04, 0.04));
-		shader_set_1f(shader, "ao", 1.0f);
-		for (U32 i = 0; i < (sizeof(lights) / sizeof(lights[0])); i++) {
-			char str[512];
-			snprintf(str, 512, "lights[%d].position", i);
-			shader_set_3fv(shader, str, lights[i].position);
-			snprintf(str, 512, "lights[%d].color", i);
-			shader_set_3fv(shader, str, lights[i].color);
-		}
-		S32 rows = 7;
-		S32 cols = 7;
-		F32 offset = 3.0f;
-		for (S32 row = 0; row < rows; row++) {
-			shader_set_1f(shader, "metallic", (F32)row / (F32)rows);
-			for (S32 col = 0; col < cols; col++) {
-				shader_set_1f(shader, "roughness", clamp(0.05f, (F32)col / (F32)cols, 1.0f));
-				V3F pos = {(col - cols / 2.0f) * offset, (row - rows / 2.0f) * offset, 0.0f};
-				MAT4 model = mat4_make_translate(pos);
-				shader_set_mat4fv(shader, "model", model);
-				mesh_draw(sphere);
-			}
-		}
-
-		for (U32 i = 0; i < (sizeof(lights) / sizeof(lights[0])); i++) {
-			MAT4 model = mat4_make_scale(v3f(0.5f, 0.5f, 0.5f));
-			model = mat4_translate(model, lights[i].position);
-			shader_set_mat4fv(shader, "model", model);
-			mesh_draw(sphere);
-		}
-
-		glUseProgram(0);
-
-		shader = find_shader("background");
-		glUseProgram(shader);
-		shader_set_mat4fv(shader, "projection", projection);
-		shader_set_mat4fv(shader, "view", view);
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(GL_TEXTURE_CUBE_MAP, irradiance_map);
-		mesh_draw(cube);
-		glUseProgram(0);
-
-		glBindFramebuffer(GL_FRAMEBUFFER, 0);
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-		shader = find_shader("hdr");
-		if (!shader) die("failed to find hdr shader!");
-		glUseProgram(shader);
-		glBindTexture(GL_TEXTURE_2D, hdr_colorbuffer);
-		shader_set_mat4fv(shader, "model", mat4_identity());
-		mesh_draw(quad);
-		glUseProgram(0);
-
-		glfwSwapBuffers(state.window);
-	}
-
-	return 0;
-}