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public/togl/linuxwin/glmdisplay.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//                       TOGL CODE LICENSE
+//
+//  Copyright 2011-2014 Valve Corporation
+//  All Rights Reserved.
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+// glmdisplay.h
+// display related stuff - used by both GLMgr and the CocoaMgr
+//
+//===============================================================================
+
+#ifndef GLMDISPLAY_H
+#define	GLMDISPLAY_H
+
+#pragma once
+
+#ifdef USE_SDL
+#include "SDL_opengl.h"
+#endif
+
+#ifdef OSX
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/gl.h>
+#include <OpenGL/CGLTypes.h>
+#include <OpenGL/CGLRenderers.h>
+#include <OpenGL/CGLCurrent.h>
+#endif
+
+#ifdef MAC_OS_X_VERSION_10_9
+typedef uint32_t CGDirectDisplayID;
+typedef uint32_t CGOpenGLDisplayMask;
+typedef double CGRefreshRate;
+#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