gfxGLCardProfiler.cpp

Engine/source/gfx/gl/gfxGLCardProfiler.cpp

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Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#include "gfx/gl/gfxGLCardProfiler.h"
25#include "gfx/gl/gfxGLDevice.h"
26#include "gfx/gl/gfxGLEnumTranslate.h"
27
28void GFXGLCardProfiler::init()
29{
30   mChipSet = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
31   mRendererString = "OpenGL";
32   mCardDescription = reinterpret_cast<const char*>(glGetString(GL_RENDERER));
33   mVersionString = reinterpret_cast<const char*>(glGetString(GL_VERSION));   
34   mVideoMemory = static_cast<GFXGLDevice*>(GFX)->getTotalVideoMemory();
35
36   Parent::init();
37}
38
39void GFXGLCardProfiler::setupCardCapabilities()
40{
41   GLint maxTexSize;
42   glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTexSize);
43   
44   // OpenGL doesn't have separate maximum width/height.
45   setCapability("maxTextureWidth", maxTexSize);
46   setCapability("maxTextureHeight", maxTexSize);
47   setCapability("maxTextureSize", maxTexSize);
48
49   // Check for anisotropic filtering support.
50   setCapability("GL_EXT_texture_filter_anisotropic", gglHasExtension(EXT_texture_filter_anisotropic));
51
52   // Check for buffer storage
53#ifdef TORQUE_NSIGHT_WORKAROUND
54   setCapability("GL_ARB_buffer_storage", false);
55#else
56   setCapability("GL_ARB_buffer_storage", gglHasExtension(ARB_buffer_storage));
57#endif
58
59   // Check for texture storage
60   setCapability("GL_ARB_texture_storage", gglHasExtension(ARB_texture_storage));
61
62   // Check for copy image support
63   setCapability("GL_ARB_copy_image", gglHasExtension(ARB_copy_image));
64
65   // Check for vertex attrib binding
66   setCapability("GL_ARB_vertex_attrib_binding", gglHasExtension(ARB_vertex_attrib_binding));
67
68   //check for KHR debug
69   setCapability("GL_KHR_debug", gglHasExtension(KHR_debug));
70   
71   //check for KHR debug
72   setCapability("GL_EXT_debug_marker", gglHasExtension(EXT_debug_marker));
73
74}
75
76bool GFXGLCardProfiler::_queryCardCap(const String& query, U32& foundResult)
77{
78   // Just doing what the D3D11 layer does
79   return 0;
80}
81
82bool GFXGLCardProfiler::_queryFormat(const GFXFormat fmt, const GFXTextureProfile *profile, bool &inOutAutogenMips)
83{
84   // We assume if the format is valid that we can use it for any purpose.
85   // This may not be the case, but we have no way to check short of in depth 
86   // testing of every format for every purpose.  And by testing, I mean sitting
87   // down and doing it by hand, because there is no OpenGL API to check these
88   // things.
89   return GFXGLTextureInternalFormat[fmt] != GL_ZERO;
90}
91