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q3rally/engine/code/renderercommon/qgl.h
zturtleman 95fbb18fa1 ioquake3 resync to revision 3385 from 3347. 
Fix going to previous browser source in q3_ui
Limit ui_smallFont/ui_bigFont/cg_noTaunt cvars to missionpack
Fix team chat box for spectators
Don't draw crosshair 0 in Team Arena setup menu
Make client for Windows x86_64 use OpenAL64.dll by default
Fix loading renderer DLLs on Windows x86
Add Windows application manifest
Disable DPI scaling on Windows
ignore window resize event on fullscreen
Don't reload arenas.txt/*.arena files in Team Arena UI
Fix crash when out of memory in Team Arena's String_Alloc
Fix in_nograb not releasing the mouse cursor
Update UI player animation handling to match CGame
Fix specifying minimum mac os version in make-macosx.sh
Fix listen server sending snapshots each client frame
Statically link libgcc on Windows
Fix hit accuracy stats for lightning gun and shotgun kills
Don't link to libGL at compile time
Add common OpenGL version parsing + OpenGL 3 fixes
Support parsing OpenGL ES version strings
Fix setting cflags/libs from sdl2-config
Load OpenGL ES 1.1 function procs
[qcommon] Use unsigned types where wrapping arithmetic is intended
OpenGL2: Fix brightness when r_autoExposure is disabled
OpenGL2: Fix MD3 surface with zero shaders dividing by zero
[botlib/be_aas_def.h] Change array size from MAX_PATH to MAX_QPATH
Don't redefine MAX_PATH in bot code
Fix memory leak in (unused) AAS_FloodAreas()
Fix compiling GLSL shaders under Windows.
Only draw cm_patch/bot debug polygons in world scenes
Fix reading crash log when log wraps around buffer
Don't send team overlay info to bots
Fix a race condition in the makedirs target
Fix shader corruption on OpenBSD
2017-11-04 11:30:30 +00:00

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*
** QGL.H
*/
#ifndef __QGL_H__
#define __QGL_H__
#ifdef USE_LOCAL_HEADERS
# include "SDL_opengl.h"
#else
# include <SDL_opengl.h>
#endif
extern void (APIENTRYP qglActiveTextureARB) (GLenum texture);
extern void (APIENTRYP qglClientActiveTextureARB) (GLenum texture);
extern void (APIENTRYP qglMultiTexCoord2fARB) (GLenum target, GLfloat s, GLfloat t);
extern void (APIENTRYP qglLockArraysEXT) (GLint first, GLsizei count);
extern void (APIENTRYP qglUnlockArraysEXT) (void);
//===========================================================================
// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
// get missing functions from code/SDL2/include/SDL_opengl.h
// OpenGL 1.0/1.1 and OpenGL ES 1.0
#define QGL_1_1_PROCS \
GLE(void, AlphaFunc, GLenum func, GLclampf ref) \
GLE(void, BindTexture, GLenum target, GLuint texture) \
GLE(void, BlendFunc, GLenum sfactor, GLenum dfactor) \
GLE(void, ClearColor, GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) \
GLE(void, Clear, GLbitfield mask) \
GLE(void, ClearStencil, GLint s) \
GLE(void, Color4f, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) \
GLE(void, ColorMask, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) \
GLE(void, ColorPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
GLE(void, CopyTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) \
GLE(void, CullFace, GLenum mode) \
GLE(void, DeleteTextures, GLsizei n, const GLuint *textures) \
GLE(void, DepthFunc, GLenum func) \
GLE(void, DepthMask, GLboolean flag) \
GLE(void, DisableClientState, GLenum cap) \
GLE(void, Disable, GLenum cap) \
GLE(void, DrawArrays, GLenum mode, GLint first, GLsizei count) \
GLE(void, DrawElements, GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) \
GLE(void, EnableClientState, GLenum cap) \
GLE(void, Enable, GLenum cap) \
GLE(void, Finish, void) \
GLE(void, Flush, void) \
GLE(void, GenTextures, GLsizei n, GLuint *textures ) \
GLE(void, GetBooleanv, GLenum pname, GLboolean *params) \
GLE(GLenum, GetError, void) \
GLE(void, GetIntegerv, GLenum pname, GLint *params) \
GLE(const GLubyte *, GetString, GLenum name) \
GLE(void, LineWidth, GLfloat width) \
GLE(void, LoadIdentity, void) \
GLE(void, LoadMatrixf, const GLfloat *m) \
GLE(void, MatrixMode, GLenum mode) \
GLE(void, PolygonOffset, GLfloat factor, GLfloat units) \
GLE(void, PopMatrix, void) \
GLE(void, PushMatrix, void) \
GLE(void, ReadPixels, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels) \
GLE(void, Scissor, GLint x, GLint y, GLsizei width, GLsizei height) \
GLE(void, ShadeModel, GLenum mode) \
GLE(void, StencilFunc, GLenum func, GLint ref, GLuint mask) \
GLE(void, StencilMask, GLuint mask) \
GLE(void, StencilOp, GLenum fail, GLenum zfail, GLenum zpass) \
GLE(void, TexCoordPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
GLE(void, TexEnvf, GLenum target, GLenum pname, GLfloat param) \
GLE(void, TexImage2D, GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels) \
GLE(void, TexParameterf, GLenum target, GLenum pname, GLfloat param) \
GLE(void, TexParameteri, GLenum target, GLenum pname, GLint param) \
GLE(void, TexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels) \
GLE(void, Translatef, GLfloat x, GLfloat y, GLfloat z) \
GLE(void, VertexPointer, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) \
GLE(void, Viewport, GLint x, GLint y, GLsizei width, GLsizei height) \
// OpenGL 1.0/1.1 but not OpenGL ES 1.x
#define QGL_DESKTOP_1_1_PROCS \
GLE(void, ArrayElement, GLint i) \
GLE(void, Begin, GLenum mode) \
GLE(void, ClearDepth, GLclampd depth) \
GLE(void, ClipPlane, GLenum plane, const GLdouble *equation) \
GLE(void, Color3f, GLfloat red, GLfloat green, GLfloat blue) \
GLE(void, Color4ubv, const GLubyte *v) \
GLE(void, DepthRange, GLclampd near_val, GLclampd far_val) \
GLE(void, DrawBuffer, GLenum mode) \
GLE(void, End, void) \
GLE(void, Frustum, GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) \
GLE(void, Ortho, GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val) \
GLE(void, PolygonMode, GLenum face, GLenum mode) \
GLE(void, TexCoord2f, GLfloat s, GLfloat t) \
GLE(void, TexCoord2fv, const GLfloat *v) \
GLE(void, Vertex2f, GLfloat x, GLfloat y) \
GLE(void, Vertex3f, GLfloat x, GLfloat y, GLfloat z) \
GLE(void, Vertex3fv, const GLfloat *v) \
// OpenGL ES 1.1 but not desktop OpenGL 1.x
#define QGL_ES_1_1_PROCS \
GLE(void, ClearDepthf, GLclampf depth) \
GLE(void, ClipPlanef, GLenum plane, const GLfloat *equation) \
GLE(void, DepthRangef, GLclampf near_val, GLclampf far_val) \
GLE(void, Frustumf, GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat near_val, GLfloat far_val) \
GLE(void, Orthof, GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat near_val, GLfloat far_val) \
// OpenGL 1.3, was GL_ARB_texture_compression
#define QGL_1_3_PROCS \
GLE(void, ActiveTexture, GLenum texture) \
GLE(void, CompressedTexImage2D, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data) \
GLE(void, CompressedTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data) \
// OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query
#define QGL_1_5_PROCS \
GLE(void, GenQueries, GLsizei n, GLuint *ids) \
GLE(void, DeleteQueries, GLsizei n, const GLuint *ids) \
GLE(void, BeginQuery, GLenum target, GLuint id) \
GLE(void, EndQuery, GLenum target) \
GLE(void, GetQueryObjectiv, GLuint id, GLenum pname, GLint *params) \
GLE(void, GetQueryObjectuiv, GLuint id, GLenum pname, GLuint *params) \
GLE(void, BindBuffer, GLenum target, GLuint buffer) \
GLE(void, DeleteBuffers, GLsizei n, const GLuint *buffers) \
GLE(void, GenBuffers, GLsizei n, GLuint *buffers) \
GLE(void, BufferData, GLenum target, GLsizeiptr size, const void *data, GLenum usage) \
GLE(void, BufferSubData, GLenum target, GLintptr offset, GLsizeiptr size, const void *data) \
// OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
#define QGL_2_0_PROCS \
GLE(void, AttachShader, GLuint program, GLuint shader) \
GLE(void, BindAttribLocation, GLuint program, GLuint index, const GLchar *name) \
GLE(void, CompileShader, GLuint shader) \
GLE(GLuint, CreateProgram, void) \
GLE(GLuint, CreateShader, GLenum type) \
GLE(void, DeleteProgram, GLuint program) \
GLE(void, DeleteShader, GLuint shader) \
GLE(void, DetachShader, GLuint program, GLuint shader) \
GLE(void, DisableVertexAttribArray, GLuint index) \
GLE(void, EnableVertexAttribArray, GLuint index) \
GLE(void, GetActiveUniform, GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) \
GLE(void, GetProgramiv, GLuint program, GLenum pname, GLint *params) \
GLE(void, GetProgramInfoLog, GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog) \
GLE(void, GetShaderiv, GLuint shader, GLenum pname, GLint *params) \
GLE(void, GetShaderInfoLog, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog) \
GLE(void, GetShaderSource, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source) \
GLE(GLint, GetUniformLocation, GLuint program, const GLchar *name) \
GLE(void, LinkProgram, GLuint program) \
GLE(void, ShaderSource, GLuint shader, GLsizei count, const GLchar* *string, const GLint *length) \
GLE(void, UseProgram, GLuint program) \
GLE(void, Uniform1f, GLint location, GLfloat v0) \
GLE(void, Uniform2f, GLint location, GLfloat v0, GLfloat v1) \
GLE(void, Uniform3f, GLint location, GLfloat v0, GLfloat v1, GLfloat v2) \
GLE(void, Uniform4f, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) \
GLE(void, Uniform1i, GLint location, GLint v0) \
GLE(void, Uniform1fv, GLint location, GLsizei count, const GLfloat *value) \
GLE(void, UniformMatrix4fv, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) \
GLE(void, ValidateProgram, GLuint program) \
GLE(void, VertexAttribPointer, GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer) \
// GL_NVX_gpu_memory_info
#ifndef GL_NVX_gpu_memory_info
#define GL_NVX_gpu_memory_info
#define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
#define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
#define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
#define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
#define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
#endif
// GL_ATI_meminfo
#ifndef GL_ATI_meminfo
#define GL_ATI_meminfo
#define GL_VBO_FREE_MEMORY_ATI 0x87FB
#define GL_TEXTURE_FREE_MEMORY_ATI 0x87FC
#define GL_RENDERBUFFER_FREE_MEMORY_ATI 0x87FD
#endif
// GL_ARB_texture_float
#ifndef GL_ARB_texture_float
#define GL_ARB_texture_float
#define GL_TEXTURE_RED_TYPE_ARB 0x8C10
#define GL_TEXTURE_GREEN_TYPE_ARB 0x8C11
#define GL_TEXTURE_BLUE_TYPE_ARB 0x8C12
#define GL_TEXTURE_ALPHA_TYPE_ARB 0x8C13
#define GL_TEXTURE_LUMINANCE_TYPE_ARB 0x8C14
#define GL_TEXTURE_INTENSITY_TYPE_ARB 0x8C15
#define GL_TEXTURE_DEPTH_TYPE_ARB 0x8C16
#define GL_UNSIGNED_NORMALIZED_ARB 0x8C17
#define GL_RGBA32F_ARB 0x8814
#define GL_RGB32F_ARB 0x8815
#define GL_ALPHA32F_ARB 0x8816
#define GL_INTENSITY32F_ARB 0x8817
#define GL_LUMINANCE32F_ARB 0x8818
#define GL_LUMINANCE_ALPHA32F_ARB 0x8819
#define GL_RGBA16F_ARB 0x881A
#define GL_RGB16F_ARB 0x881B
#define GL_ALPHA16F_ARB 0x881C
#define GL_INTENSITY16F_ARB 0x881D
#define GL_LUMINANCE16F_ARB 0x881E
#define GL_LUMINANCE_ALPHA16F_ARB 0x881F
#endif
#ifndef GL_ARB_half_float_pixel
#define GL_ARB_half_float_pixel
#define GL_HALF_FLOAT_ARB 0x140B
#endif
// OpenGL 3.0 specific
#define QGL_3_0_PROCS \
GLE(const GLubyte *, GetStringi, GLenum name, GLuint index) \
// GL_ARB_framebuffer_object, built-in to OpenGL 3.0
#define QGL_ARB_framebuffer_object_PROCS \
GLE(void, BindRenderbuffer, GLenum target, GLuint renderbuffer) \
GLE(void, DeleteRenderbuffers, GLsizei n, const GLuint *renderbuffers) \
GLE(void, GenRenderbuffers, GLsizei n, GLuint *renderbuffers) \
GLE(void, RenderbufferStorage, GLenum target, GLenum internalformat, GLsizei width, GLsizei height) \
GLE(void, BindFramebuffer, GLenum target, GLuint framebuffer) \
GLE(void, DeleteFramebuffers, GLsizei n, const GLuint *framebuffers) \
GLE(void, GenFramebuffers, GLsizei n, GLuint *framebuffers) \
GLE(GLenum, CheckFramebufferStatus, GLenum target) \
GLE(void, FramebufferTexture2D, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) \
GLE(void, FramebufferRenderbuffer, GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) \
GLE(void, GenerateMipmap, GLenum target) \
GLE(void, BlitFramebuffer, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) \
GLE(void, RenderbufferStorageMultisample, GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) \
// GL_ARB_vertex_array_object, built-in to OpenGL 3.0
#define QGL_ARB_vertex_array_object_PROCS \
GLE(void, BindVertexArray, GLuint array) \
GLE(void, DeleteVertexArrays, GLsizei n, const GLuint *arrays) \
GLE(void, GenVertexArrays, GLsizei n, GLuint *arrays) \
#ifndef GL_ARB_texture_compression_rgtc
#define GL_ARB_texture_compression_rgtc
#define GL_COMPRESSED_RED_RGTC1 0x8DBB
#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC
#define GL_COMPRESSED_RG_RGTC2 0x8DBD
#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE
#endif
#ifndef GL_ARB_texture_compression_bptc
#define GL_ARB_texture_compression_bptc
#define GL_COMPRESSED_RGBA_BPTC_UNORM_ARB 0x8E8C
#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB 0x8E8D
#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB 0x8E8E
#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB 0x8E8F
#endif
#ifndef GL_ARB_depth_clamp
#define GL_ARB_depth_clamp
#define GL_DEPTH_CLAMP 0x864F
#endif
#ifndef GL_ARB_seamless_cube_map
#define GL_ARB_seamless_cube_map
#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
#endif
// GL_EXT_direct_state_access
#define QGL_EXT_direct_state_access_PROCS \
GLE(GLvoid, BindMultiTextureEXT, GLenum texunit, GLenum target, GLuint texture) \
GLE(GLvoid, TextureParameterfEXT, GLuint texture, GLenum target, GLenum pname, GLfloat param) \
GLE(GLvoid, TextureParameteriEXT, GLuint texture, GLenum target, GLenum pname, GLint param) \
GLE(GLvoid, TextureImage2DEXT, GLuint texture, GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels) \
GLE(GLvoid, TextureSubImage2DEXT, GLuint texture, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels) \
GLE(GLvoid, CopyTextureSubImage2DEXT, GLuint texture, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) \
GLE(GLvoid, CompressedTextureImage2DEXT, GLuint texture, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data) \
GLE(GLvoid, CompressedTextureSubImage2DEXT, GLuint texture, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data) \
GLE(GLvoid, GenerateTextureMipmapEXT, GLuint texture, GLenum target) \
GLE(GLvoid, ProgramUniform1iEXT, GLuint program, GLint location, GLint v0) \
GLE(GLvoid, ProgramUniform1fEXT, GLuint program, GLint location, GLfloat v0) \
GLE(GLvoid, ProgramUniform2fEXT, GLuint program, GLint location, GLfloat v0, GLfloat v1) \
GLE(GLvoid, ProgramUniform3fEXT, GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2) \
GLE(GLvoid, ProgramUniform4fEXT, GLuint program, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) \
GLE(GLvoid, ProgramUniform1fvEXT, GLuint program, GLint location, GLsizei count, const GLfloat *value) \
GLE(GLvoid, ProgramUniformMatrix4fvEXT, GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) \
GLE(GLvoid, NamedRenderbufferStorageEXT, GLuint renderbuffer, GLenum internalformat, GLsizei width, GLsizei height) \
GLE(GLvoid, NamedRenderbufferStorageMultisampleEXT, GLuint renderbuffer, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) \
GLE(GLenum, CheckNamedFramebufferStatusEXT, GLuint framebuffer, GLenum target) \
GLE(GLvoid, NamedFramebufferTexture2DEXT, GLuint framebuffer, GLenum attachment, GLenum textarget, GLuint texture, GLint level) \
GLE(GLvoid, NamedFramebufferRenderbufferEXT, GLuint framebuffer, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) \
#define GLE(ret, name, ...) typedef ret APIENTRY name##proc(__VA_ARGS__); extern name##proc * qgl##name;
QGL_1_1_PROCS;
QGL_DESKTOP_1_1_PROCS;
QGL_ES_1_1_PROCS;
QGL_1_3_PROCS;
QGL_1_5_PROCS;
QGL_2_0_PROCS;
QGL_3_0_PROCS;
QGL_ARB_framebuffer_object_PROCS;
QGL_ARB_vertex_array_object_PROCS;
QGL_EXT_direct_state_access_PROCS;
#undef GLE
extern int qglMajorVersion, qglMinorVersion;
extern int qglesMajorVersion, qglesMinorVersion;
#define QGL_VERSION_ATLEAST( major, minor ) ( qglMajorVersion > major || ( qglMajorVersion == major && qglMinorVersion >= minor ) )
#define QGLES_VERSION_ATLEAST( major, minor ) ( qglesMajorVersion > major || ( qglesMajorVersion == major && qglesMinorVersion >= minor ) )
#endif
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