; opengl.inc - las/mercury

; opengl32
extern _wglCreateContext@4
extern _wglGetProcAddress@4
extern _wglMakeCurrent@8

extern _glClearColor@16
extern _glClear@4
extern _glColor4ubv@4
extern _glColor4f@16
extern _glRecti@16
extern _glRectf@16
extern _glGetString@4

extern _glTexParameteri@12
extern _glTexImage2D@36
extern _glBindTexture@8
extern _glGenTextures@8

extern _glGetIntegerv@8
extern _glViewport@16

%define GL_COMPUTE_SHADER 0x91b9
%define GL_FRAGMENT_SHADER 0x8b30

%define GL_VERSION 0x1F02

%define GL_DEPTH_BUFFER_BIT 0x00000100
%define GL_COLOR_BUFFER_BIT 0x00004000

%define GL_FRAMEBUFFER 0x8D40
%define GL_FRAMEBUFFER_COMPLETE 0x8CD5

%define GL_SHADER_STORAGE_BUFFER 0x90D2
%define GL_UNIFORM_BUFFER 0x8A11

%define GL_SHADER_STORAGE_BARRIER_BIT 0x00002000

%define GL_STREAM_DRAW  0x88E0
%define GL_STREAM_READ  0x88E1
%define GL_STREAM_COPY  0x88E2
%define GL_STATIC_DRAW  0x88E4
%define GL_STATIC_READ  0x88E5
%define GL_STATIC_COPY  0x88E6
%define GL_DYNAMIC_DRAW 0x88E8
%define GL_DYNAMIC_READ 0x88E9
%define GL_DYNAMIC_COPY 0x88EA

%define GL_TEXTURE0 0x84C0
%define GL_TEXTURE1 (GL_TEXTURE0+1)
%define GL_TEXTURE2 (GL_TEXTURE0+2)
%define GL_TEXTURE3 (GL_TEXTURE0+3)
%define GL_TEXTURE4 (GL_TEXTURE0+4)
%define GL_TEXTURE5 (GL_TEXTURE0+5)
%define GL_TEXTURE6 (GL_TEXTURE0+6)
%define GL_TEXTURE7 (GL_TEXTURE0+7)
%define GL_TEXTURE8 (GL_TEXTURE0+8)
%define GL_TEXTURE9 (GL_TEXTURE0+9)

%define GL_TEXTURE_2D 0x0DE1

%define GL_NEAREST              0x2600
%define GL_LINEAR               0x2601
%define GL_LINEAR_MIPMAP_LINEAR 0x2703

%define GL_TEXTURE_MAG_FILTER 0x2800
%define GL_TEXTURE_MIN_FILTER 0x2801

%define GL_CLAMP_TO_EDGE 0x812F
%define GL_CLAMP 0x2900
%define GL_REPEAT 0x2901

%define GL_TEXTURE_WRAP_R 0x8072
%define GL_TEXTURE_WRAP_S 0x2802
%define GL_TEXTURE_WRAP_T 0x2803

%define GL_BYTE           0x1400
%define GL_UNSIGNED_BYTE  0x1401
%define GL_SHORT          0x1402
%define GL_UNSIGNED_SHORT 0x1403
%define GL_INT            0x1404
%define GL_UNSIGNED_INT   0x1405
%define GL_FLOAT          0x1406
%define GL_HALF_FLOAT     0x140B

%define GL_RGBA 0x1908

%define GL_RGBA32F 0x8814
%define GL_RGB32F  0x8815
%define GL_RGBA16F 0x881A
%define GL_RGB16F  0x881B

%define GL_VIEWPORT 0x0BA2
%define GL_COLOR_ATTACHMENT0 0x8CE0