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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
#ifndef GSR_EGL_H
#define GSR_EGL_H
/* OpenGL EGL library with a hidden window context (to allow using the opengl functions) */
#include <X11/X.h>
#include <X11/Xutil.h>
#include <stdbool.h>
#include <stdint.h>
#ifdef _WIN64
typedef signed long long int khronos_intptr_t;
typedef unsigned long long int khronos_uintptr_t;
typedef signed long long int khronos_ssize_t;
typedef unsigned long long int khronos_usize_t;
#else
typedef signed long int khronos_intptr_t;
typedef unsigned long int khronos_uintptr_t;
typedef signed long int khronos_ssize_t;
typedef unsigned long int khronos_usize_t;
#endif
typedef void* EGLDisplay;
typedef void* EGLNativeDisplayType;
typedef uintptr_t EGLNativeWindowType;
typedef uintptr_t EGLNativePixmapType;
typedef void* EGLConfig;
typedef void* EGLSurface;
typedef void* EGLContext;
typedef void* EGLClientBuffer;
typedef void* EGLImage;
typedef void* EGLImageKHR;
typedef void *GLeglImageOES;
typedef void (*__eglMustCastToProperFunctionPointerType)(void);
#define EGL_SUCCESS 0x3000
#define EGL_BUFFER_SIZE 0x3020
#define EGL_RENDERABLE_TYPE 0x3040
#define EGL_OPENGL_ES2_BIT 0x0004
#define EGL_NONE 0x3038
#define EGL_CONTEXT_CLIENT_VERSION 0x3098
#define EGL_BACK_BUFFER 0x3084
#define EGL_GL_TEXTURE_2D 0x30B1
#define EGL_TRUE 1
#define EGL_IMAGE_PRESERVED_KHR 0x30D2
#define EGL_NATIVE_PIXMAP_KHR 0x30B0
#define EGL_LINUX_DRM_FOURCC_EXT 0x3271
#define EGL_WIDTH 0x3057
#define EGL_HEIGHT 0x3056
#define EGL_DMA_BUF_PLANE0_FD_EXT 0x3272
#define EGL_DMA_BUF_PLANE0_OFFSET_EXT 0x3273
#define EGL_DMA_BUF_PLANE0_PITCH_EXT 0x3274
#define EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT 0x3443
#define EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT 0x3444
#define EGL_LINUX_DMA_BUF_EXT 0x3270
#define EGL_OPENGL_API 0x30A2
#define EGL_OPENGL_ES_API 0x30A0
#define EGL_RED_SIZE 0x3024
#define EGL_ALPHA_SIZE 0x3021
#define EGL_BLUE_SIZE 0x3022
#define EGL_GREEN_SIZE 0x3023
#define EGL_SURFACE_TYPE 0x3033
#define EGL_PBUFFER_BIT 0x0001
#define GL_FLOAT 0x1406
#define GL_FALSE 0
#define GL_TRUE 1
#define GL_TRIANGLES 0x0004
#define GL_TEXTURE_2D 0x0DE1
#define GL_TEXTURE_EXTERNAL_OES 0x8D65 // TODO: Use this where applicable
#define GL_RGB 0x1907
#define GL_RGBA 0x1908
#define GL_RGBA8 0x8058
#define GL_UNSIGNED_BYTE 0x1401
#define GL_COLOR_BUFFER_BIT 0x00004000
#define GL_TEXTURE_WRAP_S 0x2802
#define GL_TEXTURE_WRAP_T 0x2803
#define GL_TEXTURE_MAG_FILTER 0x2800
#define GL_TEXTURE_MIN_FILTER 0x2801
#define GL_TEXTURE_WIDTH 0x1000
#define GL_TEXTURE_HEIGHT 0x1001
#define GL_NEAREST 0x2600
#define GL_CLAMP_TO_EDGE 0x812F
#define GL_LINEAR 0x2601
#define GL_FRAMEBUFFER 0x8D40
#define GL_COLOR_ATTACHMENT0 0x8CE0
#define GL_FRAMEBUFFER_COMPLETE 0x8CD5
#define GL_STREAM_DRAW 0x88E0
#define GL_ARRAY_BUFFER 0x8892
#define GL_BLEND 0x0BE2
#define GL_SRC_ALPHA 0x0302
#define GL_ONE_MINUS_SRC_ALPHA 0x0303
#define GL_VENDOR 0x1F00
#define GL_RENDERER 0x1F01
#define GL_COMPILE_STATUS 0x8B81
#define GL_INFO_LOG_LENGTH 0x8B84
#define GL_FRAGMENT_SHADER 0x8B30
#define GL_VERTEX_SHADER 0x8B31
#define GL_COMPILE_STATUS 0x8B81
#define GL_LINK_STATUS 0x8B82
typedef unsigned int (*FUNC_eglExportDMABUFImageQueryMESA)(EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, uint64_t *modifiers);
typedef unsigned int (*FUNC_eglExportDMABUFImageMESA)(EGLDisplay dpy, EGLImageKHR image, int *fds, int32_t *strides, int32_t *offsets);
typedef void (*FUNC_glEGLImageTargetTexture2DOES)(unsigned int target, GLeglImageOES image);
typedef struct {
void *egl_library;
void *gl_library;
EGLDisplay egl_display;
EGLSurface egl_surface;
EGLContext egl_context;
Display *x11_dpy;
Window x11_window;
void *wayland_dpy;
void *wayland_window;
void *wayland_registry;
void *wayland_surface;
void *wayland_compositor;
int fd;
uint32_t width;
uint32_t height;
uint32_t pitch;
uint32_t offset;
uint32_t pixel_format;
uint64_t modifier;
int32_t (*eglGetError)(void);
EGLDisplay (*eglGetDisplay)(EGLNativeDisplayType display_id);
unsigned int (*eglInitialize)(EGLDisplay dpy, int32_t *major, int32_t *minor);
unsigned int (*eglTerminate)(EGLDisplay dpy);
unsigned int (*eglChooseConfig)(EGLDisplay dpy, const int32_t *attrib_list, EGLConfig *configs, int32_t config_size, int32_t *num_config);
EGLSurface (*eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const int32_t *attrib_list);
EGLContext (*eglCreateContext)(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const int32_t *attrib_list);
unsigned int (*eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx);
EGLImage (*eglCreateImage)(EGLDisplay dpy, EGLContext ctx, unsigned int target, EGLClientBuffer buffer, const intptr_t *attrib_list);
unsigned int (*eglDestroyContext)(EGLDisplay dpy, EGLContext ctx);
unsigned int (*eglDestroySurface)(EGLDisplay dpy, EGLSurface surface);
unsigned int (*eglDestroyImage)(EGLDisplay dpy, EGLImage image);
unsigned int (*eglSwapInterval)(EGLDisplay dpy, int32_t interval);
unsigned int (*eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
unsigned int (*eglBindAPI)(unsigned int api);
__eglMustCastToProperFunctionPointerType (*eglGetProcAddress)(const char *procname);
FUNC_eglExportDMABUFImageQueryMESA eglExportDMABUFImageQueryMESA;
FUNC_eglExportDMABUFImageMESA eglExportDMABUFImageMESA;
FUNC_glEGLImageTargetTexture2DOES glEGLImageTargetTexture2DOES;
unsigned int (*glGetError)(void);
const unsigned char* (*glGetString)(unsigned int name);
void (*glClear)(unsigned int mask);
void (*glClearColor)(float red, float green, float blue, float alpha);
void (*glGenTextures)(int n, unsigned int *textures);
void (*glDeleteTextures)(int n, const unsigned int *texture);
void (*glBindTexture)(unsigned int target, unsigned int texture);
void (*glTexParameteri)(unsigned int target, unsigned int pname, int param);
void (*glGetTexLevelParameteriv)(unsigned int target, int level, unsigned int pname, int *params);
void (*glTexImage2D)(unsigned int target, int level, int internalFormat, int width, int height, int border, unsigned int format, unsigned int type, const void *pixels);
void (*glCopyImageSubData)(unsigned int srcName, unsigned int srcTarget, int srcLevel, int srcX, int srcY, int srcZ, unsigned int dstName, unsigned int dstTarget, int dstLevel, int dstX, int dstY, int dstZ, int srcWidth, int srcHeight, int srcDepth);
void (*glClearTexImage)(unsigned int texture, unsigned int level, unsigned int format, unsigned int type, const void *data);
void (*glGenFramebuffers)(int n, unsigned int *framebuffers);
void (*glBindFramebuffer)(unsigned int target, unsigned int framebuffer);
void (*glDeleteFramebuffers)(int n, const unsigned int *framebuffers);
void (*glViewport)(int x, int y, int width, int height);
void (*glFramebufferTexture2D)(unsigned int target, unsigned int attachment, unsigned int textarget, unsigned int texture, int level);
void (*glDrawBuffers)(int n, const unsigned int *bufs);
unsigned int (*glCheckFramebufferStatus)(unsigned int target);
void (*glBindBuffer)(unsigned int target, unsigned int buffer);
void (*glGenBuffers)(int n, unsigned int *buffers);
void (*glBufferData)(unsigned int target, khronos_ssize_t size, const void *data, unsigned int usage);
void (*glBufferSubData)(unsigned int target, khronos_intptr_t offset, khronos_ssize_t size, const void *data);
void (*glDeleteBuffers)(int n, const unsigned int *buffers);
void (*glGenVertexArrays)(int n, unsigned int *arrays);
void (*glBindVertexArray)(unsigned int array);
void (*glDeleteVertexArrays)(int n, const unsigned int *arrays);
unsigned int (*glCreateProgram)(void);
unsigned int (*glCreateShader)(unsigned int type);
void (*glAttachShader)(unsigned int program, unsigned int shader);
void (*glBindAttribLocation)(unsigned int program, unsigned int index, const char *name);
void (*glCompileShader)(unsigned int shader);
void (*glLinkProgram)(unsigned int program);
void (*glShaderSource)(unsigned int shader, int count, const char *const*string, const int *length);
void (*glUseProgram)(unsigned int program);
void (*glGetProgramInfoLog)(unsigned int program, int bufSize, int *length, char *infoLog);
void (*glGetShaderiv)(unsigned int shader, unsigned int pname, int *params);
void (*glGetShaderInfoLog)(unsigned int shader, int bufSize, int *length, char *infoLog);
void (*glDeleteProgram)(unsigned int program);
void (*glDeleteShader)(unsigned int shader);
void (*glGetProgramiv)(unsigned int program, unsigned int pname, int *params);
void (*glVertexAttribPointer)(unsigned int index, int size, unsigned int type, unsigned char normalized, int stride, const void *pointer);
void (*glEnableVertexAttribArray)(unsigned int index);
void (*glDrawArrays)(unsigned int mode, int first, int count);
void (*glEnable)(unsigned int cap);
void (*glBlendFunc)(unsigned int sfactor, unsigned int dfactor);
int (*glGetUniformLocation)(unsigned int program, const char *name);
void (*glUniform1f)(int location, float v0);
} gsr_egl;
bool gsr_egl_load(gsr_egl *self, Display *dpy, bool wayland);
void gsr_egl_unload(gsr_egl *self);
void gsr_egl_update(gsr_egl *self);
void gsr_egl_cleanup_frame(gsr_egl *self);
#endif /* GSR_EGL_H */
|
