// ////////////////////////////////////////////////////////////////////////////
// ////////////////////////////////////////////////////////////////////////////
// Called once on program startup.
//
bool systemInitialise(void)
{
if (!widgInitialise())
{
return false;
}
buildMapList();
// Initialize render engine
if (!pie_Initialise())
{
debug(LOG_ERROR, "Unable to initialise renderer");
return false;
}
if (!audio_Init(droidAudioTrackStopped, war_getSoundEnabled()))
{
debug(LOG_SOUND, "Continuing without audio");
}
if (war_getSoundEnabled() && war_GetMusicEnabled())
{
cdAudio_Open(UserMusicPath);
}
else
{
debug(LOG_SOUND, "Music disabled");
}
if (!dataInitLoadFuncs()) // Pass all the data loading functions to the framework library
{
return false;
}
if (!fpathInitialise())
{
return false;
}
// Initialize the iVis text rendering module
iV_TextInit();
// Fix badly named OpenGL functions. Must be done after iV_TextInit, to avoid the renames being clobbered by an extra glewInit() call.
screen_EnableMissingFunctions();
pie_InitRadar();
iV_Reset(); // Reset the IV library.
readAIs();
return true;
}
/* Initialise the double buffered display */
bool screenInitialise()
{
GLint glMaxTUs;
GLenum err;
glErrors();
err = glewInit();
if (GLEW_OK != err)
{
debug(LOG_FATAL, "Error: %s", glewGetErrorString(err));
exit(1);
}
/* Dump general information about OpenGL implementation to the console and the dump file */
ssprintf(opengl.vendor, "OpenGL Vendor: %s", glGetString(GL_VENDOR));
addDumpInfo(opengl.vendor);
debug(LOG_3D, "%s", opengl.vendor);
ssprintf(opengl.renderer, "OpenGL Renderer: %s", glGetString(GL_RENDERER));
addDumpInfo(opengl.renderer);
debug(LOG_3D, "%s", opengl.renderer);
ssprintf(opengl.version, "OpenGL Version: %s", glGetString(GL_VERSION));
addDumpInfo(opengl.version);
debug(LOG_3D, "%s", opengl.version);
ssprintf(opengl.GLEWversion, "GLEW Version: %s", glewGetString(GLEW_VERSION));
addDumpInfo(opengl.GLEWversion);
debug(LOG_3D, "%s", opengl.GLEWversion);
GLubyte const *extensionsBegin = glGetString(GL_EXTENSIONS);
GLubyte const *extensionsEnd = extensionsBegin + strlen((char const *)extensionsBegin);
std::vector<std::string> glExtensions;
for (GLubyte const *i = extensionsBegin; i < extensionsEnd; )
{
GLubyte const *j = std::find(i, extensionsEnd, ' ');
glExtensions.push_back(std::string(i, j));
i = j + 1;
}
/* Dump extended information about OpenGL implementation to the console */
std::string line;
for (unsigned n = 0; n < glExtensions.size(); ++n)
{
std::string word = " ";
word += glExtensions[n];
if (n + 1 != glExtensions.size())
{
word += ',';
}
if (line.size() + word.size() > 160)
{
debug(LOG_3D, "OpenGL Extensions:%s", line.c_str());
line.clear();
}
line += word;
}
debug(LOG_3D, "OpenGL Extensions:%s", line.c_str());
debug(LOG_3D, "Notable OpenGL features:");
debug(LOG_3D, " * OpenGL 1.2 %s supported!", GLEW_VERSION_1_2 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.3 %s supported!", GLEW_VERSION_1_3 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.4 %s supported!", GLEW_VERSION_1_4 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 1.5 %s supported!", GLEW_VERSION_1_5 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.0 %s supported!", GLEW_VERSION_2_0 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 2.1 %s supported!", GLEW_VERSION_2_1 ? "is" : "is NOT");
debug(LOG_3D, " * OpenGL 3.0 %s supported!", GLEW_VERSION_3_0 ? "is" : "is NOT");
debug(LOG_3D, " * Texture compression %s supported.", GLEW_ARB_texture_compression ? "is" : "is NOT");
debug(LOG_3D, " * Two side stencil %s supported.", GLEW_EXT_stencil_two_side ? "is" : "is NOT");
debug(LOG_3D, " * ATI separate stencil is%s supported.", GLEW_ATI_separate_stencil ? "" : " NOT");
debug(LOG_3D, " * Stencil wrap %s supported.", GLEW_EXT_stencil_wrap ? "is" : "is NOT");
debug(LOG_3D, " * Anisotropic filtering %s supported.", GLEW_EXT_texture_filter_anisotropic ? "is" : "is NOT");
debug(LOG_3D, " * Rectangular texture %s supported.", GLEW_ARB_texture_rectangle ? "is" : "is NOT");
debug(LOG_3D, " * FrameBuffer Object (FBO) %s supported.", GLEW_EXT_framebuffer_object ? "is" : "is NOT");
debug(LOG_3D, " * ARB Vertex Buffer Object (VBO) %s supported.", GLEW_ARB_vertex_buffer_object ? "is" : "is NOT");
debug(LOG_3D, " * NPOT %s supported.", GLEW_ARB_texture_non_power_of_two ? "is" : "is NOT");
debug(LOG_3D, " * texture cube_map %s supported.", GLEW_ARB_texture_cube_map ? "is" : "is NOT");
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &glMaxTUs);
debug(LOG_3D, " * Total number of Texture Units (TUs) supported is %d.", (int) glMaxTUs);
debug(LOG_3D, " * GL_ARB_timer_query %s supported!", GLEW_ARB_timer_query ? "is" : "is NOT");
screenWidth = MAX(screenWidth, 640);
screenHeight = MAX(screenHeight, 480);
std::pair<int, int> glslVersion(0, 0);
if (GLEW_ARB_shading_language_100 && GLEW_ARB_shader_objects)
{
sscanf((char const *)glGetString(GL_SHADING_LANGUAGE_VERSION), "%d.%d", &glslVersion.first, &glslVersion.second);
/* Dump information about OpenGL 2.0+ implementation to the console and the dump file */
GLint glMaxTIUs, glMaxTCs, glMaxTIUAs, glmaxSamples, glmaxSamplesbuf;
debug(LOG_3D, " * OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
ssprintf(opengl.GLSLversion, "OpenGL GLSL Version : %s", glGetString(GL_SHADING_LANGUAGE_VERSION));
addDumpInfo(opengl.GLSLversion);
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &glMaxTIUs);
debug(LOG_3D, " * Total number of Texture Image Units (TIUs) supported is %d.", (int) glMaxTIUs);
glGetIntegerv(GL_MAX_TEXTURE_COORDS, &glMaxTCs);
debug(LOG_3D, " * Total number of Texture Coords (TCs) supported is %d.", (int) glMaxTCs);
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,&glMaxTIUAs);
debug(LOG_3D, " * Total number of Texture Image Units ARB(TIUAs) supported is %d.", (int) glMaxTIUAs);
glGetIntegerv(GL_SAMPLE_BUFFERS, &glmaxSamplesbuf);
debug(LOG_3D, " * (current) Max Sample buffer is %d.", (int) glmaxSamplesbuf);
glGetIntegerv(GL_SAMPLES, &glmaxSamples);
debug(LOG_3D, " * (current) Max Sample level is %d.", (int) glmaxSamples);
}
bool haveARB_vertex_buffer_object = GLEW_ARB_vertex_buffer_object || GLEW_VERSION_1_5;
bool canRunShaders = GLEW_VERSION_1_2 && haveARB_vertex_buffer_object && glslVersion >= std::make_pair(1, 20); // glGetString(GL_SHADING_LANGUAGE_VERSION) >= "1.20"
screen_EnableMissingFunctions(); // We need to do this before pie_LoadShaders(), but the effect of this call will be undone later by iV_TextInit(), so we will need to call it again.
if (!canRunShaders || !pie_LoadShaders())
{
writeGameInfo("WZdebuginfo.txt");
debug(LOG_FATAL, _("OpenGL GLSL shader version 1.20 is not supported by your system. The game requires this. Please upgrade your graphics drivers/hardware, if possible."));
exit(1);
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
pie_Skybox_Init();
// Generate backdrop render
backdropGfx = new GFX(GFX_TEXTURE, GL_TRIANGLE_STRIP, 2);
if (GLEW_ARB_timer_query)
{
glGenQueries(PERF_COUNT, perfpos);
}
glErrors();
return true;
}
