Renderer* Init(Settings vs)
{
assert(!initted);
if (initted) return 0;
// no mode set, find an ok one
if ((vs.width <= 0) || (vs.height <= 0)) {
const std::vector<VideoMode> modes = GetAvailableVideoModes();
assert(!modes.empty());
vs.width = modes.front().width;
vs.height = modes.front().height;
}
WindowSDL *window = new WindowSDL(vs, "Pioneer");
width = window->GetWidth();
height = window->GetHeight();
const int didLoad = ogl_LoadFunctions();
if (!didLoad)
Error("glLoadGen failed to load functions.\n");
{
std::ostringstream buf;
write_opengl_info(buf);
FILE *f = FileSystem::userFiles.OpenWriteStream("opengl.txt", FileSystem::FileSourceFS::WRITE_TEXT);
if (!f)
Output("Could not open 'opengl.txt'\n");
const std::string &s = buf.str();
fwrite(s.c_str(), 1, s.size(), f);
fclose(f);
}
if (ogl_ext_EXT_texture_compression_s3tc == ogl_LOAD_FAILED) {
Error("OpenGL extension GL_EXT_texture_compression_s3tc not supported.\nPioneer can not run on your graphics card as it does not support compressed (DXTn/S3TC) format textures.");
}
// We deliberately ignore the value from GL_NUM_COMPRESSED_TEXTURE_FORMATS, because some drivers
// choose not to list any formats (despite supporting texture compression). See issue #3132.
// This is (probably) allowed by the spec, which states that only formats which are "suitable
// for general-purpose usage" should be enumerated.
Renderer *renderer = new RendererOGL(window, vs);
Output("Initialized %s\n", renderer->GetName());
std::ostringstream dummy;
dump_and_clear_opengl_errors(dummy);
initted = true;
MaterialDescriptor desc;
desc.effect = EFFECT_VTXCOLOR;
desc.vertexColors = true;
vtxColorMaterial = renderer->CreateMaterial(desc);
vtxColorMaterial->IncRefCount();
return renderer;
}
Renderer* Init(Settings vs)
{
assert(!initted);
if (initted) return 0;
// no mode set, find an ok one
if ((vs.width <= 0) || (vs.height <= 0)) {
const std::vector<VideoMode> modes = GetAvailableVideoModes();
assert(!modes.empty());
vs.width = modes.front().width;
vs.height = modes.front().height;
}
WindowSDL *window = new WindowSDL(vs, "Pioneer");
width = window->GetWidth();
height = window->GetHeight();
GLenum glew_err;
if ((glew_err = glewInit()) != GLEW_OK)
Error("GLEW initialisation failed: %s", glewGetErrorString(glew_err));
{
std::ostringstream buf;
write_opengl_info(buf);
FILE *f = FileSystem::userFiles.OpenWriteStream("opengl.txt", FileSystem::FileSourceFS::WRITE_TEXT);
if (!f)
Output("Could not open 'opengl.txt'\n");
const std::string &s = buf.str();
fwrite(s.c_str(), 1, s.size(), f);
fclose(f);
}
if (!glewIsSupported("GL_VERSION_2_0") )
Error("OpenGL Version 2.0 is not supported. Pioneer cannot run on your graphics card.");
if (!glewIsSupported("GL_ARB_vertex_buffer_object"))
Error("OpenGL extension ARB_vertex_buffer_object not supported. Pioneer can not run on your graphics card.");
if (!glewIsSupported("GL_EXT_texture_compression_s3tc"))
Error("OpenGL extension GL_EXT_texture_compression_s3tc not supported.\nPioneer can not run on your graphics card as it does not support compressed (DXTn/S3TC) format textures.");
// We deliberately ignore the value from GL_NUM_COMPRESSED_TEXTURE_FORMATS, because some drivers
// choose not to list any formats (despite supporting texture compression). See issue #3132.
// This is (probably) allowed by the spec, which states that only formats which are "suitable
// for general-purpose usage" should be enumerated.
Renderer *renderer = new RendererGL2(window, vs);
Output("Initialized %s\n", renderer->GetName());
initted = true;
MaterialDescriptor desc;
desc.vertexColors = true;
vtxColorMaterial = renderer->CreateMaterial(desc);
vtxColorMaterial->IncRefCount();
return renderer;
}
Renderer* Init(Settings vs)
{
assert(!initted);
if (initted) return 0;
// no mode set, find an ok one
if ((vs.width <= 0) || (vs.height <= 0)) {
const std::vector<VideoMode> modes = GetAvailableVideoModes();
assert(!modes.empty());
vs.width = modes.front().width;
vs.height = modes.front().height;
}
WindowSDL *window = new WindowSDL(vs, "Pioneer");
width = window->GetWidth();
height = window->GetHeight();
glewExperimental = true;
GLenum glew_err;
if ((glew_err = glewInit()) != GLEW_OK)
Error("GLEW initialisation failed: %s", glewGetErrorString(glew_err));
{
std::ostringstream buf;
write_opengl_info(buf);
FILE *f = FileSystem::userFiles.OpenWriteStream("opengl.txt", FileSystem::FileSourceFS::WRITE_TEXT);
if (!f)
Output("Could not open 'opengl.txt'\n");
const std::string &s = buf.str();
fwrite(s.c_str(), 1, s.size(), f);
fclose(f);
}
// pump this once as glewExperimental is necessary but spews a single error
GLenum err = glGetError();
if (!glewIsSupported("GL_VERSION_3_2") )
Error("OpenGL Version 3.2 is not supported. Pioneer cannot run on your graphics card.");
// Brilliantly under OpenGL 3.2 CORE profile Glew says this isn't supported, this forces us to use a COMPATIBILITY profile :/
if (!glewIsSupported("GL_EXT_texture_compression_s3tc"))
{
if (glewIsSupported("GL_ARB_texture_compression")) {
GLint intv[4];
glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &intv[0]);
if( intv[0] == 0 ) {
Error("GL_NUM_COMPRESSED_TEXTURE_FORMATS is zero.\nPioneer can not run on your graphics card as it does not support compressed (DXTn/S3TC) format textures.");
}
} else {
Error("OpenGL extension GL_EXT_texture_compression_s3tc not supported.\nPioneer can not run on your graphics card as it does not support compressed (DXTn/S3TC) format textures.");
}
}
// We deliberately ignore the value from GL_NUM_COMPRESSED_TEXTURE_FORMATS, because some drivers
// choose not to list any formats (despite supporting texture compression). See issue #3132.
// This is (probably) allowed by the spec, which states that only formats which are "suitable
// for general-purpose usage" should be enumerated.
Renderer *renderer = new RendererOGL(window, vs);
Output("Initialized %s\n", renderer->GetName());
std::ostringstream dummy;
dump_and_clear_opengl_errors(dummy);
initted = true;
MaterialDescriptor desc;
desc.effect = EFFECT_VTXCOLOR;
desc.vertexColors = true;
vtxColorMaterial = renderer->CreateMaterial(desc);
vtxColorMaterial->IncRefCount();
return renderer;
}