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Diffstat (limited to 'examples/shadow_maps/ex_shadow_maps.c')
| -rw-r--r-- | examples/shadow_maps/ex_shadow_maps.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/examples/shadow_maps/ex_shadow_maps.c b/examples/shadow_maps/ex_shadow_maps.c deleted file mode 100644 index e918d67..0000000 --- a/examples/shadow_maps/ex_shadow_maps.c +++ /dev/null @@ -1,259 +0,0 @@ -#include "celeritas.h" -#include "input.h" -#include "log.h" -#include "maths.h" -#include "maths_types.h" -#include "primitives.h" -#include "ral.h" -#include "ral_types.h" -#include "render.h" -#include "render_types.h" -#include "renderpasses.h" - -extern core g_core; - -// Scene / light setup -vec3 light_position = { -2, 4, -1 }; -mesh s_scene[5]; -transform s_transforms[5]; - -void draw_scene(); -void switch_view(); - -enum active_view { - SceneView = 0, - LightView, - DebugQuad, -}; - -// Define the shader data -typedef struct mvp_uniforms { - mat4 model; - mat4 view; - mat4 projection; -} mvp_uniforms; -typedef struct my_shader_bind_group { - mvp_uniforms mvp; - texture_handle tex; -} my_shader_bind_group; - -// We also must create a function that knows how to return a `shader_data_layout` -shader_data_layout mvp_uniforms_layout(void* data) { - my_shader_bind_group* d = (my_shader_bind_group*)data; - bool has_data = data != NULL; - - shader_binding b1 = { .label = "Matrices", - .type = SHADER_BINDING_BYTES, - .stores_data = has_data, - .data = { .bytes = { .size = sizeof(mvp_uniforms) } } }; - - shader_binding b2 = { .label = "texSampler", - .type = SHADER_BINDING_TEXTURE, - .stores_data = has_data }; - if (has_data) { - b1.data.bytes.data = &d->mvp; - b2.data.texture.handle = d->tex; - } - return (shader_data_layout){ .name = "global_ubo", .bindings = { b1, b2 }, .bindings_count = 2 }; -} - -int main() { - // Stuff that gets changed during program - enum active_view current_view = SceneView; - - core_bringup(); - arena scratch = arena_create(malloc(1024 * 1024), 1024 * 1024); - - vec3 camera_pos = vec3(5, 5, 5); - vec3 camera_front = vec3_normalise(vec3_negate(camera_pos)); - camera cam = camera_create(camera_pos, camera_front, VEC3_Y, deg_to_rad(45.0)); - // TEMP - shader_data mvp_uniforms_data = { .data = NULL, .shader_data_get_layout = &mvp_uniforms_layout }; - - gpu_renderpass_desc pass_description = { .default_framebuffer = true }; - gpu_renderpass* renderpass = gpu_renderpass_create(&pass_description); - - str8 vert_path, frag_path; -#ifdef CEL_REND_BACKEND_OPENGL - vert_path = str8lit("assets/shaders/cube.vert"); - frag_path = str8lit("assets/shaders/cube.frag"); -#else - vert_path = str8lit("build/linux/x86_64/debug/cube.vert.spv"); - frag_path = str8lit("build/linux/x86_64/debug/cube.frag.spv"); -#endif - 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 = { mvp_uniforms_data }, - .data_layouts_count = 1, - .vs = { .debug_name = "Cube Vertex Shader", - .filepath = vert_path, - .code = vertex_shader.contents, - .is_spirv = true }, - .fs = { .debug_name = "Cube Fragment Shader", - .filepath = frag_path, - .code = fragment_shader.contents, - .is_spirv = true }, - .renderpass = renderpass, - .wireframe = false, - .depth_test = false - }; - gpu_pipeline* gfx_pipeline = gpu_graphics_pipeline_create(pipeline_description); - - // Textures - texture_data tex_data = texture_data_load("assets/textures/texture.jpg", false); - texture_handle texture = texture_data_upload(tex_data, true); - texture_handle white_tex = - texture_data_upload(texture_data_load("assets/models/obj/cube/container.jpg", false), true); - - // END TEMP - - ren_shadowmaps shadows = { .width = 1000, .height = 1000 }; - ren_shadowmaps_init(&shadows); - - // Set up the scene - // We want: - // 1. a ground plane - // 2. lights - // 3. some boxes - for (int i = 0; i < 4; i++) { - geometry_data geo = geo_create_cuboid(f32x3(1, 1, 1)); - s_scene[i] = mesh_create(&geo, true); - s_transforms[i] = transform_create(vec3(-2 + (i * 1.2), 0, 0), quat_ident(), 1.0); - } - geometry_data plane = geo_create_plane(f32x2(20, 20)); - s_scene[4] = mesh_create(&plane, true); - s_transforms[4] = transform_create(vec3(0, -3, 0), quat_ident(), 1.0); - - geometry_data quad_geo = geo_create_plane(f32x2(2, 2)); - - // HACK: Swap vertices to make it face us - vertex top0 = quad_geo.vertices->data[0]; - quad_geo.vertices->data[0] = quad_geo.vertices->data[2]; - quad_geo.vertices->data[2] = top0; - vertex top1 = quad_geo.vertices->data[1]; - quad_geo.vertices->data[1] = quad_geo.vertices->data[3]; - quad_geo.vertices->data[3] = top1; - - mesh quad = mesh_create(&quad_geo, true); - - // Main loop - while (!should_exit(&g_core)) { - input_update(&g_core.input); - printf("Frame\n"); - - if (key_just_released(KEYCODE_L)) { - current_view = (current_view + 1) % 3; - } - if (key_just_released(KEYCODE_R)) { - // TODO: gpu_pipeline_reload_shaders(gfx_pipeline); - } - - if (!gpu_backend_begin_frame()) { - continue; - } - gpu_cmd_encoder* enc = gpu_get_default_cmd_encoder(); - gpu_cmd_encoder_begin(*enc); - - // Shadow draw - gpu_cmd_encoder_begin_render(enc, shadows.rpass); - printf("Here\n"); - - // calculations - f32 near_plane = 1.0, far_plane = 10.0; - mat4 light_projection = mat4_orthographic(-10.0, 10.0, -10.0, 10.0, near_plane, far_plane); - mat4 light_view = mat4_look_at(light_position, VEC3_ZERO, VEC3_Y); - mat4 light_space_matrix = mat4_mult(light_view, light_projection); - lightspace_tf_uniform lsu = { .lightSpaceMatrix = light_space_matrix }; - - encode_bind_pipeline(enc, PIPELINE_GRAPHICS, shadows.static_pipeline); - - shader_data lightspace_data = { .data = NULL, - .shader_data_get_layout = &lightspace_uniform_layout }; - lightspace_data.data = &lsu; - encode_bind_shader_data(enc, 0, &lightspace_data); - - draw_scene(); - printf("Here\n"); - - gpu_cmd_encoder_end_render(enc); - // End - - // Debug quad - if (current_view == DebugQuad) { - gpu_cmd_encoder_begin_render(enc, shadows.debug_quad->renderpass); - - encode_bind_pipeline(enc, PIPELINE_GRAPHICS, shadows.debug_quad); - debug_quad_uniform dqu = { .depthMap = shadows.depth_tex }; - shader_data debug_quad_data = { .data = &dqu, .shader_data_get_layout = debug_quad_layout }; - encode_bind_shader_data(enc, 0, &debug_quad_data); - encode_set_vertex_buffer(enc, quad.vertex_buffer); - encode_set_index_buffer(enc, quad.index_buffer); - encode_draw_indexed(enc, quad.geometry->indices->len); - - gpu_cmd_encoder_end_render(enc); - } - - // Basic draw - if (current_view == SceneView || current_view == LightView) { - gpu_cmd_encoder_begin_render(enc, renderpass); - encode_bind_pipeline(enc, PIPELINE_GRAPHICS, gfx_pipeline); - - mat4 view, proj; - if (current_view == SceneView) { - camera_view_projection(&cam, 1000, 1000, &view, &proj); - } else { - view = light_view; - proj = light_projection; - } - for (int i = 0; i < 5; i++) { - mat4 model = transform_to_mat(&s_transforms[i]); - mvp_uniforms mvp_data = { .model = model, .view = view, .projection = proj }; - my_shader_bind_group shader_bind_data = { .mvp = mvp_data, .tex = texture }; - if (i == 4) { - shader_bind_data.tex = white_tex; - } - mvp_uniforms_data.data = &shader_bind_data; - encode_bind_shader_data(enc, 0, &mvp_uniforms_data); - encode_set_vertex_buffer(enc, s_scene[i].vertex_buffer); - encode_set_index_buffer(enc, s_scene[i].index_buffer); - encode_draw_indexed(enc, s_scene[i].geometry->indices->len); - } - - gpu_cmd_encoder_end_render(enc); - } - - // END drawing - gpu_cmd_buffer buf = gpu_cmd_encoder_finish(enc); - gpu_queue_submit(&buf); - gpu_backend_end_frame(); - } - - renderer_shutdown(&g_core.renderer); - - return 0; -} - -void draw_scene() { - gpu_cmd_encoder* enc = gpu_get_default_cmd_encoder(); - for (int i = 0; i < 5; i++) { - mat4 model = transform_to_mat(&s_transforms[i]); - model_uniform mu = { .model = model }; - shader_data model_data = { .data = &mu, .shader_data_get_layout = model_uniform_layout }; - encode_bind_shader_data(enc, 0, &model_data); - printf("Here1\n"); - encode_set_vertex_buffer(enc, s_scene[i].vertex_buffer); - printf("Here2\n"); - encode_set_index_buffer(enc, s_scene[i].index_buffer); - printf("Here3\n"); - printf("num %ld \n", s_scene[i].geometry->indices->len); - encode_draw_indexed(enc, s_scene[i].geometry->indices->len); - printf("Here4\n"); - } -} |