void ParticleUpsampling::initRendering(void)
{
//glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
NvAssetLoaderAddSearchPath("es2-aurora/ParticleUpsampling");
m_sceneRenderer = new SceneRenderer(requireMinAPIVersion(NvGfxAPIVersionGL4(), false));
CHECK_GL_ERROR();
}
void ComputeBasicGLSL::initRendering(void)
{
NvAssetLoaderAddSearchPath("ComputeBasicGLSL");
if (!requireMinAPIVersion(NvGfxAPIVersionGL4()))
return;
//init shaders
m_blitProg = NvGLSLProgram::createFromFiles("shaders/plain.vert", "shaders/plain.frag");
m_computeProg = new NvGLSLProgram;
int32_t len;
NvGLSLProgram::ShaderSourceItem sources[1];
sources[0].type = GL_COMPUTE_SHADER;
sources[0].src = NvAssetLoaderRead("shaders/invert.glsl", len);
m_computeProg->setSourceFromStrings(sources, 1);
NvAssetLoaderFree((char*)sources[0].src);
//load input texture
m_sourceImage = NvImage::CreateFromDDSFile("textures/flower1024.dds");
m_sourceTexture = NvImage::UploadTexture(m_sourceImage);
glBindTexture(GL_TEXTURE_2D, m_sourceTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
//create output texture with same size and format as input
GLint w = m_sourceImage->getWidth();
GLint h = m_sourceImage->getHeight();
GLint intFormat = m_sourceImage->getInternalFormat();
GLint format = m_sourceImage->getFormat();
GLint type = m_sourceImage->getType();
glGenTextures(1, &m_resultTexture );
glBindTexture(GL_TEXTURE_2D, m_resultTexture);
glTexImage2D(GL_TEXTURE_2D, 0, intFormat, w, h, 0, format, type, 0 );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
CHECK_GL_ERROR();
glBindTexture(GL_TEXTURE_2D, 0);
}
void ParticleUpsampling::initRendering(void)
{
printGLString("Version", GL_VERSION);
printGLString("Vendor", GL_VENDOR);
printGLString("Renderer", GL_RENDERER);
printGLString("Extensions", GL_EXTENSIONS);
GLint depthBits;
glGetIntegerv(GL_DEPTH_BITS, &depthBits);
LOGI("depth bits = %d\n", depthBits);
//glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
NvAssetLoaderAddSearchPath("ParticleUpsampling");
m_sceneRenderer = new SceneRenderer(requireMinAPIVersion(NvGfxAPIVersionGL4(), false));
CHECK_GL_ERROR();
}
void MultiDrawIndirect::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}
// program entry
int32_t main(int32_t argc, char *argv[])
{
GLFWwindow* window;
int32_t width, height;
NvAssetLoaderInit(NULL);
sWindowIsFocused = true;
sForcedRenderCount = 0;
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
exit( EXIT_FAILURE );
}
glfwSetErrorCallback(glfwError);
NvLinuxPlatformContext* platform = new NvLinuxPlatformContext;
// add command line arguments
for (int i = 1; i < argc; i++) {
platform->m_commandLine.push_back(argv[i]);
}
sApp = NvAppFactory(platform);
NvEGLConfiguration config(NvGfxAPIVersionGL4(), 8, 8, 8, 8, 16, 0);
sApp->configurationCallback(config);
// Does not seem to work...
/*
if (config.api == GLAppContext::Configuration::API_ES)
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, config.majVer);
//glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
*/
NvGLLinuxAppContext* context = new NvGLLinuxAppContext(config);
window = glfwCreateWindow( 1280, 720, "Linux SDK Application", NULL, NULL );
if (!window)
{
fprintf( stderr, "Failed to open GLFW window\n" );
glfwTerminate();
exit( EXIT_FAILURE );
}
platform->setWindow(window);
context->setWindow(window);
sApp->setGLContext(context);
// Set callback functions
glfwSetFramebufferSizeCallback(window, reshape);
glfwSetWindowFocusCallback(window, focus);
setInputCallbacksGLFW(window);
context->bindContext();
glfwSwapInterval( 1 );
glfwGetFramebufferSize(window, &width, &height);
int32_t major = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MAJOR);
int32_t minor = glfwGetWindowAttrib(window, GLFW_CONTEXT_VERSION_MINOR);
config.apiVer = NvGfxAPIVersion(NvGfxAPI::GL, major, minor);
glGetIntegerv(GL_RED_BITS, (GLint*)&config.redBits);
glGetIntegerv(GL_GREEN_BITS, (GLint*)&config.greenBits);
glGetIntegerv(GL_BLUE_BITS, (GLint*)&config.blueBits);
glGetIntegerv(GL_ALPHA_BITS, (GLint*)&config.alphaBits);
glGetIntegerv(GL_DEPTH_BITS, (GLint*)&config.depthBits);
glGetIntegerv(GL_STENCIL_BITS, (GLint*)&config.stencilBits);
context->setConfiguration(config);
#if 1
// get extensions (need for ES2.0)
GLenum err = glewInit();
if (GLEW_OK != err)
{
/* Problem: glewInit failed, something is seriously wrong. */
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
exit(-1);
}
fprintf(stdout, "Using GLEW %s\n", glewGetString(GLEW_VERSION));
#endif
// Parse command-line options
initGL(argc, argv);
reshape(window, width, height);
sApp->mainLoop();
// Shut down the app before shutting down GL
delete sApp;
// Terminate GLFW
glfwTerminate();
NvAssetLoaderShutdown();
// Exit program
exit( EXIT_SUCCESS );
}
void ComputeBasicGLSL::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}
void CascadedShadowMapping::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}
void NormalBlendedDecal::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}
void TerrainTessellation::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}
void ParticleUpsampling::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}
void FXAA::configurationCallback(NvEGLConfiguration& config)
{
config.depthBits = 24;
config.stencilBits = 0;
config.apiVer = NvGfxAPIVersionGL4();
}