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//============ Copyright (c) Valve Corporation, All rights reserved. ============
//
// glmdisplay.h
// display related stuff - used by both GLMgr and the CocoaMgr
//
//===============================================================================
#ifndef GLMDISPLAY_H
#define GLMDISPLAY_H
#pragma once
#ifdef OSX
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/glext.h>
#include <OpenGL/CGLTypes.h>
#include <OpenGL/CGLRenderers.h>
#include <OpenGL/CGLCurrent.h>
#include <ApplicationServices/ApplicationServices.h>
#elif defined(DX_TO_GL_ABSTRACTION)
#include <GL/gl.h>
#include <GL/glext.h>
#include "tier0/platform.h"
#else
#error
#endif
typedef void _PseudoNSGLContext; // aka NSOpenGLContext
typedef _PseudoNSGLContext *PseudoNSGLContextPtr;
struct GLMDisplayModeInfoFields{ uint m_modePixelWidth; uint m_modePixelHeight; uint m_modeRefreshHz; // are we even going to talk about bit depth... not yet
};
struct GLMDisplayInfoFields{#ifdef OSX
CGDirectDisplayID m_cgDisplayID; CGOpenGLDisplayMask m_glDisplayMask; // result of CGDisplayIDToOpenGLDisplayMask on the cg_displayID.
#endif
uint m_displayPixelWidth; uint m_displayPixelHeight; };
struct GLMRendererInfoFields{ /*properties of interest and their desired values.
kCGLRPFullScreen = 54, true kCGLRPAccelerated = 73, true kCGLRPWindow = 80, true
kCGLRPRendererID = 70, informational kCGLRPDisplayMask = 84, informational kCGLRPBufferModes = 100, informational kCGLRPColorModes = 103, informational kCGLRPAccumModes = 104, informational kCGLRPDepthModes = 105, informational kCGLRPStencilModes = 106, informational kCGLRPMaxAuxBuffers = 107, informational kCGLRPMaxSampleBuffers = 108, informational kCGLRPMaxSamples = 109, informational kCGLRPSampleModes = 110, informational kCGLRPSampleAlpha = 111, informational kCGLRPVideoMemory = 120, informational kCGLRPTextureMemory = 121, informational kCGLRPRendererCount = 128 number of renderers in the CGLRendererInfoObj under examination
kCGLRPOffScreen = 53, D/C kCGLRPRobust = 75, FALSE or D/C - aka we're asking for no-fallback kCGLRPBackingStore = 76, D/C kCGLRPMPSafe = 78, D/C kCGLRPMultiScreen = 81, D/C kCGLRPCompliant = 83, D/C */
//--------------------------- info we have from CGL renderer queries, IOKit, Gestalt
//--------------------------- these are set up in the displayDB by CocoaMgr
GLint m_fullscreen; GLint m_accelerated; GLint m_windowed; GLint m_rendererID; GLint m_displayMask; GLint m_bufferModes; GLint m_colorModes; GLint m_accumModes; GLint m_depthModes; GLint m_stencilModes;
GLint m_maxAuxBuffers; GLint m_maxSampleBuffers; GLint m_maxSamples; GLint m_sampleModes; GLint m_sampleAlpha;
GLint m_vidMemory; GLint m_texMemory; uint m_pciVendorID; uint m_pciDeviceID; char m_pciModelString[64]; char m_driverInfoString[64];
//--------------------------- OS version related - set up by CocoaMgr
// OS version found
uint m_osComboVersion; // 0x00XXYYZZ : XX major, YY minor, ZZ minor minor : 10.6.3 --> 0x000A0603. 10.5.8 --> 0x000A0508.
//--------------------------- shorthands - also set up by CocoaMgr - driven by vendorid / deviceid
bool m_ati; bool m_atiR5xx; bool m_atiR6xx; bool m_atiR7xx; bool m_atiR8xx; bool m_atiNewer; bool m_intel; bool m_intel95x; bool m_intel3100; bool m_intelHD4000;
bool m_nv; bool m_nvG7x; bool m_nvG8x; bool m_nvNewer; //--------------------------- context query results - left blank in the display DB - but valid in a GLMContext (call ctx->Caps() to get a const ref)
// booleans
bool m_hasGammaWrites; // aka glGetBooleanv(GL_FRAMEBUFFER_SRGB_CAPABLE_EXT) / glEnable(GL_FRAMEBUFFER_SRGB_EXT)
bool m_hasMixedAttachmentSizes; // aka ARB_fbo in 10.6.3 - test for min OS vers, then exported ext string
bool m_hasBGRA; // aka GL_BGRA vertex attribs in 10.6.3 - - test for min OS vers, then exported ext string
bool m_hasNewFullscreenMode; // aka 10.6.x "big window" fullscreen mode
bool m_hasNativeClipVertexMode; // aka GLSL gl_ClipVertex does not fall back to SW- OS version and folklore-based
bool m_hasOcclusionQuery; // occlusion query: do you speak it ?!
bool m_hasFramebufferBlit; // framebuffer blit: know what I'm sayin?!
bool m_hasPerfPackage1; // means new MTGL, fast OQ, fast uniform upload, NV can resolve flipped (late summer 2010 post 10.6.4 update)
// counts
int m_maxAniso; // aniso limit - context query
// other exts
bool m_hasBindableUniforms; int m_maxVertexBindableUniforms; int m_maxFragmentBindableUniforms; int m_maxBindableUniformSize; bool m_hasUniformBuffers; // runtime options that aren't negotiable once set
bool m_hasDualShaders; // must supply CLI arg "-glmdualshaders" or we go GLSL only
//--------------------------- " can'ts " - specific problems that need to be worked around
bool m_cantBlitReliably; // Intel chipsets have problems blitting sRGB sometimes
bool m_cantAttachSRGB; // NV G8x on 10.5.8 can't have srgb tex on FBO color - separate issue from hasGammaWrites
bool m_cantResolveFlipped; // happens on NV in 10.6.4 and prior - console variable "gl_can_resolve_flipped" can overrule
bool m_cantResolveScaled; // happens everywhere per GL spec but may be relaxed some day - console variable "gl_can_resolve_scaled" can overrule
bool m_costlyGammaFlips; // this means that sRGB sampling state affects shader code gen, resulting in state-dependent code regen
//--------------------------- " bads " - known bad drivers
bool m_badDriver1064NV; // this is the bad NVIDIA driver on 10.6.4 - stutter, tex corruption, black screen issues
bool m_badDriver108Intel; // this is the bad Intel HD4000 driver on 10.8 - intermittent crash on GLSL compilation.
};
#endif
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