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Diffstat (limited to 'examples/pbr_params/ex_pbr_params.c')
| -rw-r--r-- | examples/pbr_params/ex_pbr_params.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/examples/pbr_params/ex_pbr_params.c b/examples/pbr_params/ex_pbr_params.c deleted file mode 100644 index f5c004b..0000000 --- a/examples/pbr_params/ex_pbr_params.c +++ /dev/null @@ -1,163 +0,0 @@ -#include <glfw3.h> -#include <stdbool.h> - -#include "builtin_materials.h" -#include "camera.h" -#include "colours.h" -#include "core.h" -#include "log.h" -#include "maths.h" -#include "maths_types.h" -#include "primitives.h" -#include "ral.h" -#include "render.h" -#include "render_types.h" -#include "str.h" - -extern core g_core; - -const vec3 pointlight_positions[4] = { - { 10.0 / 1., 10.0 / 1., 10.0 }, - { -10.0 / 1., 10.0 / 1., 10.0 }, - { 10.0 / 1., -10.0 / 1., 10.0 }, - { -10.0 / 1., -10.0 / 1., 10.0 }, -}; -pbr_point_light point_lights[4]; - -void encode_draw_mesh(mesh* m); - -const int num_rows = 7, num_cols = 7; -const float spacing = 2.5; - -pbr_params_material_uniforms pbr_params; - -int main() { - core_bringup(); - - arena scratch = arena_create(malloc(1024 * 1024), 1024 * 1024); - - for (int i = 0; i < 4; i++) { - point_lights[i].pos = pointlight_positions[i]; - point_lights[i].color = vec3(300.0, 300.0, 300.0); - } - - vec3 camera_pos = vec3(-1., -1., 26.); - camera cam = camera_create(camera_pos, VEC3_NEG_Z, VEC3_Y, deg_to_rad(45.0)); - - // PBR Material data - pbr_params.albedo = (vec3){ 0.5, 0.0, 0.0 }; - pbr_params.ao = 1.0; - shader_data pbr_uniforms = { .data = NULL, .shader_data_get_layout = &pbr_params_shader_layout }; - - // Make the pipeline - gpu_renderpass_desc pass_description = { .default_framebuffer = true, .color_target = true }; - gpu_renderpass* renderpass = gpu_renderpass_create(&pass_description); - // FIXME: Make this work on other API backends - str8 vert_path = str8lit("assets/shaders/pbr_params.vert"); - str8 frag_path = str8lit("assets/shaders/pbr_params.frag"); - str8_opt vertex_shader = str8_from_file(&scratch, vert_path); - str8_opt fragment_shader = str8_from_file(&scratch, frag_path); - if (!vertex_shader.has_value || !fragment_shader.has_value) { - ERROR_EXIT("Failed to load shaders from disk") - } - - struct graphics_pipeline_desc pipeline_description = { - .debug_name = "Basic Pipeline", - .vertex_desc = static_3d_vertex_description(), - .data_layouts = { pbr_uniforms }, - .data_layouts_count = 1, - .vs = { .debug_name = "PBR (params) Vertex Shader", - .filepath = vert_path, - .code = vertex_shader.contents, - .is_spirv = false }, - .fs = { .debug_name = "PBR (params) Fragment Shader", - .filepath = frag_path, - .code = fragment_shader.contents, - .is_spirv = false }, - .renderpass = renderpass, - .wireframe = false, - .depth_test = false - }; - gpu_pipeline* pbr_pipeline = gpu_graphics_pipeline_create(pipeline_description); - - // Geometry - geometry_data sphere_data = geo_create_uvsphere(1.0, 64, 64); - mesh sphere = mesh_create(&sphere_data, false); - - geometry_data cube_data = geo_create_cuboid(f32x3(1, 1, 1)); - mesh cube = mesh_create(&cube_data, false); - - pbr_params_bindgroup pbr_bind_data; - - while (!should_exit()) { - input_update(&g_core.input); - - if (!gpu_backend_begin_frame()) { - continue; - } - gpu_cmd_encoder* enc = gpu_get_default_cmd_encoder(); - // Begin recording - gpu_cmd_encoder_begin(*enc); - gpu_cmd_encoder_begin_render(enc, renderpass); - encode_bind_pipeline(enc, PIPELINE_GRAPHICS, pbr_pipeline); - encode_set_default_settings(enc); - - mat4 model_affine = mat4_ident(); - mat4 view, proj; - camera_view_projection(&cam, 1000, 1000, &view, &proj); - - // Feed shader data - pbr_bind_data.mvp_matrices = - (mvp_matrix_uniforms){ .model = model_affine, .view = view, .projection = proj }; - pbr_bind_data.material = pbr_params; - pbr_bind_data.lights = (pbr_params_light_uniforms){ - .viewPos = vec4(cam.position.x, cam.position.y, cam.position.z, 1.0), - .pointLights = { point_lights[0], point_lights[1], point_lights[2], point_lights[3] } - }; - pbr_uniforms.data = &pbr_bind_data; - - // Record draw calls - for (u32 row = 0; row < num_rows; row++) { - f32 metallic = (float)row / (float)num_rows; - for (u32 col = 0; col < num_cols; col++) { - f32 roughness = (float)col / (float)num_cols; - if (roughness == 0.0) { - roughness += 0.05; - }; - if (roughness == 1.0) { - roughness -= 0.05; - }; - - pbr_bind_data.material.metallic = metallic; - pbr_bind_data.material.roughness = roughness; - - f32 x = (col - ((f32)num_cols / 2.)) * spacing; - f32 y = (row - ((f32)num_rows / 2.)) * spacing; - mat4 model = mat4_translation(vec3(x, y, 0.0f)); - pbr_bind_data.mvp_matrices.model = model; - encode_bind_shader_data(enc, 0, &pbr_uniforms); - mesh object = sphere; - encode_draw_mesh(&object); - } - } - - // End recording - gpu_cmd_encoder_end_render(enc); - - gpu_cmd_buffer buf = gpu_cmd_encoder_finish(enc); - gpu_queue_submit(&buf); - // Submit - gpu_backend_end_frame(); - } - - renderer_shutdown(&g_core.renderer); - - return 0; -} - -void encode_draw_mesh(mesh* m) { - gpu_cmd_encoder* enc = gpu_get_default_cmd_encoder(); - encode_set_vertex_buffer(enc, m->vertex_buffer); - encode_set_index_buffer(enc, m->index_buffer); - encode_draw_indexed(enc, m->geometry->indices->len); -}
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