| 1 | /* $Id: ogltest.cpp 98139 2023-01-19 13:50:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * OpenGL testcase. Win32 application to run Gallium OpenGL tests.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2019-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #include "oglrender.h"
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| 29 | #include <iprt/string.h>
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| 30 |
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| 31 | PFNGLBINDBUFFERPROC glBindBuffer;
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| 32 | PFNGLDELETEBUFFERSPROC glDeleteBuffers;
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| 33 | PFNGLGENBUFFERSPROC glGenBuffers;
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| 34 | PFNGLBUFFERDATAPROC glBufferData;
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| 35 | PFNGLMAPBUFFERPROC glMapBuffer;
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| 36 | PFNGLUNMAPBUFFERPROC glUnmapBuffer;
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| 37 | PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray;
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| 38 | PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray;
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| 39 | PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;
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| 40 | PFNGLCREATESHADERPROC glCreateShader;
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| 41 | PFNGLATTACHSHADERPROC glAttachShader;
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| 42 | PFNGLCOMPILESHADERPROC glCompileShader;
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| 43 | PFNGLCREATEPROGRAMPROC glCreateProgram;
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| 44 | PFNGLDELETEPROGRAMPROC glDeleteProgram;
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| 45 | PFNGLDELETESHADERPROC glDeleteShader;
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| 46 | PFNGLDETACHSHADERPROC glDetachShader;
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| 47 | PFNGLLINKPROGRAMPROC glLinkProgram;
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| 48 | PFNGLSHADERSOURCEPROC glShaderSource;
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| 49 | PFNGLUSEPROGRAMPROC glUseProgram;
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| 50 | PFNGLGETPROGRAMIVPROC glGetProgramiv;
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| 51 | PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
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| 52 | PFNGLGETSHADERIVPROC glGetShaderiv;
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| 53 | PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
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| 54 | PFNGLVERTEXATTRIBDIVISORPROC glVertexAttribDivisor;
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| 55 | PFNGLDRAWARRAYSINSTANCEDPROC glDrawArraysInstanced;
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| 56 |
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| 57 | class OGLTest
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| 58 | {
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| 59 | public:
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| 60 | OGLTest();
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| 61 | ~OGLTest();
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| 62 |
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| 63 | HRESULT Init(HINSTANCE hInstance, int argc, char **argv, int nCmdShow);
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| 64 | int Run();
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| 65 |
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| 66 | private:
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| 67 | HRESULT initWindow(HINSTANCE hInstance, int nCmdShow);
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| 68 | HRESULT initOGL();
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| 69 | void parseCmdLine(int argc, char **argv);
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| 70 | static LRESULT CALLBACK wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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| 71 |
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| 72 | void setCurrentGLCtx(HGLRC hGLRC);
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| 73 |
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| 74 | int miRenderId;
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| 75 | int miRenderStep;
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| 76 |
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| 77 | HWND mHwnd;
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| 78 | HGLRC mhGLRC;
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| 79 |
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| 80 | OGLRender *mpRender;
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| 81 | };
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| 82 |
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| 83 | OGLTest::OGLTest()
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| 84 | :
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| 85 | miRenderId(0),
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| 86 | miRenderStep(1),
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| 87 | mHwnd(0),
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| 88 | mhGLRC(0),
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| 89 | mpRender(0)
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| 90 | {
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| 91 | }
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| 92 |
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| 93 | OGLTest::~OGLTest()
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| 94 | {
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| 95 | if (mpRender)
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| 96 | {
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| 97 | delete mpRender;
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| 98 | mpRender = 0;
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| 99 | }
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| 100 |
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| 101 | setCurrentGLCtx(NULL);
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| 102 | wglDeleteContext(mhGLRC);
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| 103 | }
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| 104 |
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| 105 | void OGLTest::setCurrentGLCtx(HGLRC hGLRC)
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| 106 | {
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| 107 | if (hGLRC)
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| 108 | {
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| 109 | HDC const hDC = GetDC(mHwnd);
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| 110 | wglMakeCurrent(hDC, mhGLRC);
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| 111 | ReleaseDC(mHwnd, hDC);
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| 112 | }
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| 113 | else
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| 114 | {
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| 115 | wglMakeCurrent(NULL, NULL);
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| 116 | }
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| 117 | }
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| 118 |
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| 119 |
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| 120 | LRESULT CALLBACK OGLTest::wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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| 121 | {
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| 122 | switch (msg)
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| 123 | {
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| 124 | case WM_CLOSE:
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| 125 | DestroyWindow(hwnd);
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| 126 | return 0;
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| 127 |
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| 128 | case WM_DESTROY:
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| 129 | PostQuitMessage(0);
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| 130 | return 0;
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| 131 |
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| 132 | default:
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| 133 | return DefWindowProcA(hwnd, msg, wParam, lParam);
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| 134 | }
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| 135 | }
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| 136 |
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| 137 | HRESULT OGLTest::initWindow(HINSTANCE hInstance,
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| 138 | int nCmdShow)
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| 139 | {
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| 140 | HRESULT hr = S_OK;
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| 141 |
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| 142 | WNDCLASSA wc = { 0 };
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| 143 | wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
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| 144 | wc.lpfnWndProc = wndProc;
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| 145 | wc.cbClsExtra = 0;
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| 146 | wc.cbWndExtra = 0;
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| 147 | wc.hInstance = hInstance;
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| 148 | wc.hIcon = LoadIcon(0, IDI_APPLICATION);
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| 149 | wc.hCursor = LoadCursor(0, IDC_ARROW);
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| 150 | wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
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| 151 | wc.lpszMenuName = 0;
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| 152 | wc.lpszClassName = "OGLTestWndClassName";
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| 153 |
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| 154 | if (RegisterClassA(&wc))
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| 155 | {
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| 156 | RECT r = {0, 0, 800, 600};
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| 157 | AdjustWindowRect(&r, WS_OVERLAPPEDWINDOW, false);
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| 158 |
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| 159 | mHwnd = CreateWindowA("OGLTestWndClassName",
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| 160 | "OGL Test",
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| 161 | WS_OVERLAPPEDWINDOW,
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| 162 | 100, 100, r.right, r.bottom,
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| 163 | 0, 0, hInstance, 0);
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| 164 | if (mHwnd)
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| 165 | {
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| 166 | ShowWindow(mHwnd, nCmdShow);
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| 167 | UpdateWindow(mHwnd);
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| 168 | }
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| 169 | else
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| 170 | {
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| 171 | TestShowError(hr, "CreateWindow");
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| 172 | hr = E_FAIL;
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| 173 | }
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| 174 | }
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| 175 | else
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| 176 | {
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| 177 | TestShowError(hr, "RegisterClass");
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| 178 | hr = E_FAIL;
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| 179 | }
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| 180 |
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| 181 | return hr;
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| 182 | }
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| 183 |
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| 184 | HRESULT OGLTest::initOGL()
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| 185 | {
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| 186 | HRESULT hr = S_OK;
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| 187 |
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| 188 | HDC hDC = GetDC(mHwnd);
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| 189 |
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| 190 | PIXELFORMATDESCRIPTOR pfd;
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| 191 | memset(&pfd, 0, sizeof(pfd));
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| 192 | pfd.nSize = sizeof(pfd);
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| 193 | pfd.nVersion = 1;
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| 194 | pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
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| 195 | pfd.iPixelType = PFD_TYPE_RGBA;
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| 196 | pfd.cColorBits = 32;
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| 197 |
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| 198 | int pf = ChoosePixelFormat(hDC, &pfd);
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| 199 | if (pf)
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| 200 | {
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| 201 | if (SetPixelFormat(hDC, pf, &pfd))
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| 202 | {
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| 203 | DescribePixelFormat(hDC, pf, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
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| 204 |
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| 205 | mhGLRC = wglCreateContext(hDC);
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| 206 | setCurrentGLCtx(mhGLRC);
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| 207 |
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| 208 | /* Get a function address, return VERR_NOT_IMPLEMENTED on failure. */
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| 209 | #define GLGETPROC_(ProcType, ProcName, NameSuffix) do { \
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| 210 | ProcName = (ProcType)wglGetProcAddress(#ProcName NameSuffix); \
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| 211 | if (!ProcName) { TestShowError(E_FAIL, #ProcName NameSuffix " missing"); } \
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| 212 | } while(0)
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| 213 |
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| 214 | GLGETPROC_(PFNGLBINDBUFFERPROC , glBindBuffer, "");
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| 215 | GLGETPROC_(PFNGLDELETEBUFFERSPROC , glDeleteBuffers, "");
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| 216 | GLGETPROC_(PFNGLGENBUFFERSPROC , glGenBuffers, "");
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| 217 | GLGETPROC_(PFNGLBUFFERDATAPROC , glBufferData, "");
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| 218 | GLGETPROC_(PFNGLMAPBUFFERPROC , glMapBuffer, "");
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| 219 | GLGETPROC_(PFNGLUNMAPBUFFERPROC , glUnmapBuffer, "");
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| 220 | GLGETPROC_(PFNGLENABLEVERTEXATTRIBARRAYPROC , glEnableVertexAttribArray, "");
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| 221 | GLGETPROC_(PFNGLDISABLEVERTEXATTRIBARRAYPROC , glDisableVertexAttribArray, "");
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| 222 | GLGETPROC_(PFNGLVERTEXATTRIBPOINTERPROC , glVertexAttribPointer, "");
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| 223 | GLGETPROC_(PFNGLCREATESHADERPROC , glCreateShader, "");
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| 224 | GLGETPROC_(PFNGLATTACHSHADERPROC , glAttachShader, "");
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| 225 | GLGETPROC_(PFNGLCOMPILESHADERPROC , glCompileShader, "");
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| 226 | GLGETPROC_(PFNGLCREATEPROGRAMPROC , glCreateProgram, "");
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| 227 | GLGETPROC_(PFNGLDELETEPROGRAMPROC , glDeleteProgram, "");
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| 228 | GLGETPROC_(PFNGLDELETESHADERPROC , glDeleteShader, "");
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| 229 | GLGETPROC_(PFNGLDETACHSHADERPROC , glDetachShader, "");
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| 230 | GLGETPROC_(PFNGLLINKPROGRAMPROC , glLinkProgram, "");
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| 231 | GLGETPROC_(PFNGLSHADERSOURCEPROC , glShaderSource, "");
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| 232 | GLGETPROC_(PFNGLUSEPROGRAMPROC , glUseProgram, "");
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| 233 | GLGETPROC_(PFNGLGETPROGRAMIVPROC , glGetProgramiv, "");
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| 234 | GLGETPROC_(PFNGLGETPROGRAMINFOLOGPROC , glGetProgramInfoLog, "");
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| 235 | GLGETPROC_(PFNGLGETSHADERIVPROC , glGetShaderiv, "");
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| 236 | GLGETPROC_(PFNGLGETSHADERINFOLOGPROC , glGetShaderInfoLog, "");
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| 237 | GLGETPROC_(PFNGLVERTEXATTRIBDIVISORPROC , glVertexAttribDivisor, "");
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| 238 | GLGETPROC_(PFNGLDRAWARRAYSINSTANCEDPROC , glDrawArraysInstanced, "");
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| 239 |
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| 240 | #undef GLGETPROC_
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| 241 |
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| 242 | }
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| 243 | else
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| 244 | {
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| 245 | TestShowError(hr, "SetPixelFormat");
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| 246 | hr = E_FAIL;
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| 247 | }
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| 248 | }
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| 249 | else
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| 250 | {
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| 251 | TestShowError(hr, "ChoosePixelFormat");
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| 252 | hr = E_FAIL;
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| 253 | }
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| 254 |
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| 255 | ReleaseDC(mHwnd, hDC);
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| 256 |
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| 257 | return hr;
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| 258 | }
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| 259 |
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| 260 | void OGLTest::parseCmdLine(int argc, char **argv)
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| 261 | {
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| 262 | /* Very simple: test number followed by step flag.
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| 263 | * Default is test 0, step mode: 1
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| 264 | */
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| 265 |
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| 266 | /* First number is the render id. */
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| 267 | if (argc >= 2)
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| 268 | miRenderId = RTStrToInt32(argv[1]);
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| 269 |
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| 270 | /* Second number is the step mode. */
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| 271 | if (argc >= 3)
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| 272 | miRenderStep = RTStrToInt32(argv[2]);
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| 273 | }
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| 274 |
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| 275 | HRESULT OGLTest::Init(HINSTANCE hInstance, int argc, char **argv, int nCmdShow)
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| 276 | {
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| 277 | parseCmdLine(argc, argv);
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| 278 |
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| 279 | HRESULT hr = initWindow(hInstance, nCmdShow);
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| 280 | if (SUCCEEDED(hr))
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| 281 | {
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| 282 | mpRender = CreateRender(miRenderId);
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| 283 | if (mpRender)
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| 284 | {
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| 285 | hr = initOGL();
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| 286 | if (SUCCEEDED(hr))
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| 287 | {
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| 288 | setCurrentGLCtx(mhGLRC);
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| 289 |
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| 290 | hr = mpRender->InitRender();
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| 291 | if (FAILED(hr))
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| 292 | {
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| 293 | TestShowError(hr, "InitRender");
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| 294 | }
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| 295 |
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| 296 | setCurrentGLCtx(NULL);
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| 297 | }
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| 298 | }
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| 299 | else
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| 300 | {
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| 301 | hr = E_FAIL;
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| 302 | }
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| 303 | }
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| 304 |
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| 305 | return hr;
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| 306 | }
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| 307 |
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| 308 | int OGLTest::Run()
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| 309 | {
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| 310 | bool fFirst = true;
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| 311 | MSG msg;
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| 312 | do
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| 313 | {
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| 314 | BOOL fGotMessage;
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| 315 | if (miRenderStep)
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| 316 | {
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| 317 | fGotMessage = GetMessageA(&msg, 0, 0, 0);
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| 318 | }
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| 319 | else
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| 320 | {
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| 321 | fGotMessage = PeekMessageA(&msg, 0, 0, 0, PM_REMOVE);
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| 322 | }
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| 323 |
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| 324 | if (fGotMessage)
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| 325 | {
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| 326 | TranslateMessage(&msg);
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| 327 | DispatchMessageA(&msg);
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| 328 | }
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| 329 |
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| 330 | float dt = 0.0f; /* Time in seconds since last render step. @todo Measure. */
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| 331 |
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| 332 | BOOL fDoRender = FALSE;
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| 333 | if (miRenderStep)
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| 334 | {
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| 335 | if (msg.message == WM_CHAR)
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| 336 | {
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| 337 | if (msg.wParam == ' ')
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| 338 | {
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| 339 | fDoRender = TRUE;
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| 340 | dt = fFirst ? 0.0f : 0.1f; /* 0.1 second increment per step. */
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| 341 | }
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| 342 | }
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| 343 | }
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| 344 | else
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| 345 | {
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| 346 | fDoRender = TRUE;
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| 347 | }
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| 348 |
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| 349 | if (fDoRender)
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| 350 | {
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| 351 | if (mpRender)
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| 352 | {
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| 353 | setCurrentGLCtx(mhGLRC);
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| 354 |
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| 355 | mpRender->TimeAdvance(dt);
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| 356 | mpRender->DoRender();
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| 357 |
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| 358 | setCurrentGLCtx(NULL);
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| 359 |
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| 360 | fFirst = false;
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| 361 | }
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| 362 | }
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| 363 | } while (msg.message != WM_QUIT);
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| 364 |
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| 365 | return msg.wParam;
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| 366 | }
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| 367 |
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| 368 | int main(int argc, char **argv)
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| 369 | {
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| 370 | int rcExit = RTEXITCODE_FAILURE;
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| 371 |
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| 372 | OGLTest test;
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| 373 | HRESULT hr = test.Init(GetModuleHandleW(NULL), argc, argv, SW_SHOWDEFAULT);
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| 374 | if (SUCCEEDED(hr))
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| 375 | rcExit = test.Run();
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| 376 |
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| 377 | return rcExit;
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| 378 | }
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