diff options
Diffstat (limited to 'include/celeritas.h')
| -rw-r--r-- | include/celeritas.h | 91 |
1 files changed, 60 insertions, 31 deletions
diff --git a/include/celeritas.h b/include/celeritas.h index 77b7a9b..51a9a3d 100644 --- a/include/celeritas.h +++ b/include/celeritas.h @@ -1,13 +1,14 @@ #pragma once // Standard library includes +#include <assert.h> +#include <math.h> #include <stdarg.h> #include <stdbool.h> #include <stddef.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> -#include <assert.h> #include <string.h> // Third party dependency includes @@ -107,7 +108,7 @@ void _cel_push_error(int error_code); // TODO: Arenas // Pool -typedef struct void_pool_header void_pool_header; // TODO: change name of this +typedef struct void_pool_header void_pool_header; // TODO: change name of this struct void_pool_header { void_pool_header* next; }; @@ -130,26 +131,26 @@ void* void_pool_alloc(void_pool* pool, u32* out_raw_handle); void void_pool_dealloc(void_pool* pool, u32 raw_handle); u32 void_pool_insert(void_pool* pool, void* item); -#define TYPED_POOL(T, Name) \ - typedef struct Name##_pool { \ - void_pool inner; \ - } Name##_pool; \ - \ - static Name##_pool Name##_pool_create(void* storage, u64 cap, u64 entry_size) { \ - void_pool p = void_pool_create(storage, "\"" #Name "\"", cap, entry_size); \ - return (Name##_pool){ .inner = p }; \ - } \ +#define TYPED_POOL(T, Name) \ + typedef struct Name##_pool { \ + void_pool inner; \ + } Name##_pool; \ + \ + static Name##_pool Name##_pool_create(void* storage, u64 cap, u64 entry_size) { \ + void_pool p = void_pool_create(storage, "\"" #Name "\"", cap, entry_size); \ + return (Name##_pool){ .inner = p }; \ + } \ static inline T* Name##_pool_get(Name##_pool* pool, Name##_handle handle) { \ - return (T*)void_pool_get(&pool->inner, handle.raw); \ - } \ + return (T*)void_pool_get(&pool->inner, handle.raw); \ + } \ static inline T* Name##_pool_alloc(Name##_pool* pool, Name##_handle* out_handle) { \ - return (T*)void_pool_alloc(&pool->inner, &out_handle->raw); \ - } \ + return (T*)void_pool_alloc(&pool->inner, &out_handle->raw); \ + } \ static inline void Name##_pool_dealloc(Name##_pool* pool, Name##_handle handle) { \ - void_pool_dealloc(&pool->inner, handle.raw); \ - } \ + void_pool_dealloc(&pool->inner, handle.raw); \ + } \ static Name##_handle Name##_pool_insert(Name##_pool* pool, T* item) { \ - u32 raw_handle = void_pool_insert(pool, item); \ + u32 raw_handle = void_pool_insert(pool, item); \ return (Name##_handle){ .raw = raw_handle }; \ } @@ -185,13 +186,13 @@ void log_output(char* module, loglevel level, const char* msg, ...); static inline void WARN(const char* msg, ...) { \ va_list args; \ va_start(args, msg); \ - log_output(#module, LOG_LEVEL_WARN, msg, args); \ + log_output(#module, LOG_LEVEL_WARN, msg, args); \ va_end(args); \ } \ static inline void INFO(const char* msg, ...) { \ va_list args; \ va_start(args, msg); \ - log_output(#module, LOG_LEVEL_INFO, msg, args); \ + log_output(#module, LOG_LEVEL_INFO, msg, args); \ va_end(args); \ } \ static inline void DEBUG(const char* msg, ...) { \ @@ -236,7 +237,6 @@ typedef vec4 quat; typedef struct mat4 { // TODO: use this format for more readable code: vec4 x_axis, y_axis, z_axis, w_axis; f32 data[16]; - } mat4; /** @brief 3D affine transformation */ @@ -247,19 +247,49 @@ typedef struct transform { bool is_dirty; } transform; +_Static_assert(alignof(vec3) == 4, "vec3 is 4 byte aligned"); +_Static_assert(sizeof(vec3) == 12, "vec3 is 12 bytes so has no padding"); +_Static_assert(alignof(vec4) == 4, "vec4 is 4 byte aligned"); + inlined vec3 vec3_create(f32 x, f32 y, f32 z); inlined vec3 vec3_add(vec3 u, vec3 v); inlined vec3 vec3_sub(vec3 u, vec3 v); inlined vec3 vec3_mult(vec3 u, f32 s); inlined vec3 vec3_div(vec3 u, f32 s); +inlined vec3 vec3_len_squared(vec3 a); +inlined f32 vec3_len(vec3 a); +inlined vec3 vec3_negate(vec3 a); +inlined vec3 vec3_normalise(vec3 a); +inlined f32 vec3_dot(vec3 a, vec3 b); +inlined vec3 vec3_cross(vec3 a, vec3 b); inlined vec4 vec4_create(f32 x, f32 y, f32 z, f32 w); +// quaternion functions +inlined quat quat_ident(); +quat quat_from_axis_angle(vec3 axis, f32 angle, bool normalise); +quat quat_slerp(quat a, quat b, f32 percentage); + +// matrix functions +inlined mat4 mat4_ident(); +mat4 mat4_translation(vec3 position); +mat4 mat4_scale(vec3 scale); +mat4 mat4_rotation(quat rotation); +mat4 mat4_mult(mat4 lhs, mat4 rhs); +mat4 mat4_transposed(mat4 m); +mat4 mat4_perspective(f32 fov_radians, f32 aspect_ratio, f32 near_clip, f32 far_clip); +mat4 mat4_orthographic(f32 left, f32 right, f32 bottom, f32 top, f32 near_clip, f32 far_clip); +mat4 mat4_look_at(vec3 position, vec3 target, vec3 up); + +// transform functions +inlined transform transform_create(vec3 pos, quat rot, vec3 scale); +mat4 transform_to_mat(transform* tf); + // helpers -#define vec3(x,y,z) ((vec3){ x, y, z }) -#define vec4(x,y,z,w) ((vec4){ x, y, z, w }) -inlined vec4 v3tov4(vec3 v3) { return vec4_create(v3.x, v3.y, v3.z, 0.0); } +#define vec3(x, y, z) ((vec3){ x, y, z }) +#define vec4(x, y, z, w) ((vec4){ x, y, z, w }) +inlined vec4 v3tov4(vec3 v3) { return vec4_create(v3.x, v3.y, v3.z, 1.0); } static const vec3 VEC3_X = vec3(1.0, 0.0, 0.0); static const vec3 VEC3_NEG_X = vec3(-1.0, 0.0, 0.0); @@ -270,8 +300,6 @@ static const vec3 VEC3_NEG_Z = vec3(0.0, 0.0, -1.0); static const vec3 VEC3_ZERO = vec3(0.0, 0.0, 0.0); static const vec3 VEC3_ONES = vec3(1.0, 1.0, 1.0); - - // --- RAL DEFINE_HANDLE(buf_handle); @@ -284,7 +312,7 @@ DEFINE_HANDLE(compute_pipeline_handle); // Backend-specific structs typedef struct gpu_swapchain gpu_swapchain; -typedef struct gpu_encoder gpu_encoder; // Render command encoder +typedef struct gpu_encoder gpu_encoder; // Render command encoder typedef struct gpu_compute_encoder gpu_compute_encoder; typedef struct gpu_buffer gpu_buffer; typedef struct gpu_texture gpu_texture; @@ -390,10 +418,10 @@ typedef struct gfx_pipeline_desc { // u32 data_layouts_count; } gfx_pipeline_desc; -typedef struct compute_pipeline_desc { /* TODO */ } compute_pipeline_desc; +typedef struct compute_pipeline_desc { /* TODO */ +} compute_pipeline_desc; typedef struct render_pass_desc { - } render_pass_desc; // --- RAL Functions @@ -436,7 +464,7 @@ void ral_backend_resize_framebuffer(int width, int height); // Frame lifecycle -typedef void (*scoped_draw_commands)(); // callback that we run our draw commands within. +typedef void (*scoped_draw_commands)(); // callback that we run our draw commands within. // allows us to wrap some api-specific behaviour void ral_frame_start(); @@ -493,6 +521,8 @@ typedef struct camera { f32 fov; } camera; +mat4 camera_view_proj(camera); + // --- Reference Renderer // TODO: Filament PBR model @@ -502,7 +532,6 @@ typedef struct camera { DEFINE_HANDLE(model_handle); typedef struct model { - } model; model_handle model_load_from_gltf(const char* path); |