1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
#pragma once
#include "defines.h"
#if defined(CEL_REND_BACKEND_OPENGL)
#include "maths_types.h"
#include "ral_impl.h"
#include "ral_types.h"
#define MAX_PIPELINE_UNIFORM_BUFFERS 32
#define OPENGL_DEFAULT_FRAMEBUFFER 0
typedef struct GPU_Swapchain {
u32x2 dimensions;
} GPU_Swapchain;
typedef struct GPU_Device {
u32 pad;
} GPU_Device;
typedef struct GPU_PipelineLayout {
void *pad;
} GPU_PipelineLayout;
typedef struct GPU_Pipeline {
u32 shader_id;
GPU_Renderpass *renderpass;
VertexDescription vertex_desc;
BufferHandle uniform_bindings[MAX_PIPELINE_UNIFORM_BUFFERS];
u32 uniform_count;
bool wireframe;
} GPU_Pipeline;
typedef struct GPU_Renderpass {
u32 fbo;
GPU_RenderpassDesc description;
} GPU_Renderpass;
typedef struct GPU_CmdEncoder {
GPU_Pipeline *pipeline;
} GPU_CmdEncoder; // Recording
typedef struct GPU_CmdBuffer {
void *pad;
} GPU_CmdBuffer; // Ready for submission
typedef struct GPU_Buffer {
union {
u32 vbo;
u32 ibo;
u32 ubo;
} id;
union {
u32 vao;
u32 ubo_binding_point;
}; // Optional
char *name;
u64 size;
} GPU_Buffer;
typedef struct GPU_Texture {
u32 id;
GPU_TextureType type;
} GPU_Texture;
typedef struct opengl_support {
u32 pad;
} opengl_support;
void uniform_vec3f(u32 program_id, const char *uniform_name, Vec3 *value);
void uniform_f32(u32 program_id, const char *uniform_name, f32 value);
void uniform_i32(u32 program_id, const char *uniform_name, i32 value);
void uniform_mat4f(u32 program_id, const char *uniform_name, Mat4 *value);
typedef enum GlCommandType {
GLCMD_DRAW,
GLCMD_DRAW_INDEXED,
GLCMD_BIND_VBUF,
GLCMD_BIND_IBUF,
GLCMD_SET_PROGRAM,
} GlCommandType;
typedef struct GlCommand {
GlCommandType cmd_type;
union {
struct {
PrimitiveTopology topology;
u32 start_vertex;
u32 vertex_count;
// TODO: instance
} draw;
struct {
PrimitiveTopology topology;
u32 index_count;
} draw_indexed;
struct {
u32 buffer_id;
} bind_vbuf;
struct {
u32 buffer_id;
} bind_ibuf;
struct {
u32 program_id;
} set_program;
} data;
} GlCommand;
#endif
|
