//==============================================================================
Error Material::getProgramPipeline(
const RenderingKey& key, GlPipelineHandle& out)
{
ANKI_ASSERT(enumToType(key.m_pass) < m_passesCount);
ANKI_ASSERT(key.m_lod < m_lodsCount);
Error err = ErrorCode::NONE;
U tessCount = 1;
if(m_tessellation)
{
tessCount = 2;
}
else
{
ANKI_ASSERT(!key.m_tessellation);
}
U idx = enumToType(key.m_pass) * m_lodsCount * tessCount
+ key.m_lod * tessCount + key.m_tessellation;
GlPipelineHandle& ppline = m_pplines[idx];
// Lazily create it
if(ANKI_UNLIKELY(!ppline.isCreated()))
{
Array<GlShaderHandle, 5> progs;
U progCount = 0;
progs[progCount++] =
getProgram(key, ShaderType::VERTEX)->getGlProgram();
if(key.m_tessellation)
{
progs[progCount++] = getProgram(
key, ShaderType::TESSELLATION_CONTROL)->getGlProgram();
progs[progCount++] = getProgram(
key, ShaderType::TESSELLATION_EVALUATION)->getGlProgram();
}
progs[progCount++] =
getProgram(key, ShaderType::FRAGMENT)->getGlProgram();
GlDevice& gl = m_resources->_getGlDevice();
GlCommandBufferHandle cmdBuff;
ANKI_CHECK(cmdBuff.create(&gl));
ANKI_CHECK(ppline.create(cmdBuff, &progs[0], &progs[0] + progCount));
cmdBuff.flush();
}
out = ppline;
return err;
}
//==============================================================================
void TextureResource::loadInternal(const CString& filename,
ResourceInitializer& rinit)
{
GlDevice& gl = rinit.m_resources._getGlDevice();
GlCommandBufferHandle cmdb;
cmdb.create(&gl); // Always first to avoid assertions (
// because of the check of the allocator)
GlTextureHandle::Initializer init;
U layers = 0;
Bool driverShouldGenMipmaps = false;
// Load image
Image* imgPtr = rinit.m_alloc.newInstance<Image>(rinit.m_alloc);
Image& img = *imgPtr;
img.load(filename, rinit.m_resources.getMaxTextureSize());
// width + height
init.m_width = img.getSurface(0, 0).m_width;
init.m_height = img.getSurface(0, 0).m_height;
// depth
if(img.getTextureType() == Image::TextureType::_2D_ARRAY
|| img.getTextureType() == Image::TextureType::_3D)
{
init.m_depth = img.getDepth();
}
else
{
init.m_depth = 0;
}
// target
switch(img.getTextureType())
{
case Image::TextureType::_2D:
init.m_target = GL_TEXTURE_2D;
layers = 1;
break;
case Image::TextureType::CUBE:
init.m_target = GL_TEXTURE_CUBE_MAP;
layers = 6;
break;
case Image::TextureType::_2D_ARRAY:
init.m_target = GL_TEXTURE_2D_ARRAY;
layers = init.m_depth;
break;
case Image::TextureType::_3D:
init.m_target = GL_TEXTURE_3D;
layers = init.m_depth;
default:
ANKI_ASSERT(0);
}
// Internal format
if(img.getColorFormat() == Image::ColorFormat::RGB8)
{
switch(img.getCompression())
{
case Image::DataCompression::RAW:
#if DRIVER_CAN_COMPRESS
init.m_internalFormat = GL_COMPRESSED_RGB;
#else
init.m_internalFormat = GL_RGB;
#endif
driverShouldGenMipmaps = true;
break;
#if ANKI_GL == ANKI_GL_DESKTOP
case Image::DataCompression::S3TC:
init.m_internalFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
break;
#else
case Image::DataCompression::ETC:
init.m_internalFormat = GL_COMPRESSED_RGB8_ETC2;
break;
#endif
default:
ANKI_ASSERT(0);
}
}
else if(img.getColorFormat() == Image::ColorFormat::RGBA8)
{
switch(img.getCompression())
{
case Image::DataCompression::RAW:
#if DRIVER_CAN_COMPRESS
init.m_internalFormat = GL_COMPRESSED_RGBA;
#else
init.m_internalFormat = GL_RGBA;
#endif
driverShouldGenMipmaps = true;
break;
#if ANKI_GL == ANKI_GL_DESKTOP
case Image::DataCompression::S3TC:
init.m_internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
break;
#else
case Image::DataCompression::ETC:
init.m_internalFormat = GL_COMPRESSED_RGBA8_ETC2_EAC;
break;
#endif
default:
ANKI_ASSERT(0);
}
}
else
{
ANKI_ASSERT(0);
}
// format
switch(img.getColorFormat())
{
case Image::ColorFormat::RGB8:
init.m_format = GL_RGB;
break;
case Image::ColorFormat::RGBA8:
init.m_format = GL_RGBA;
break;
default:
ANKI_ASSERT(0);
}
// type
init.m_type = GL_UNSIGNED_BYTE;
// mipmapsCount
init.m_mipmapsCount = img.getMipLevelsCount();
// filteringType
init.m_filterType = GlTextureHandle::Filter::TRILINEAR;
// repeat
init.m_repeat = true;
// anisotropyLevel
init.m_anisotropyLevel = rinit.m_resources.getTextureAnisotropy();
// genMipmaps
if(init.m_mipmapsCount == 1 || driverShouldGenMipmaps)
{
init.m_genMipmaps = true;
}
else
{
init.m_genMipmaps = false;
}
// Now assign the data
for(U layer = 0; layer < layers; layer++)
{
for(U level = 0; level < init.m_mipmapsCount; level++)
{
GlClientBufferHandle& buff = init.m_data[level][layer];
buff.create(
cmdb,
img.getSurface(level, layer).m_data.size(),
(void*)&img.getSurface(level, layer).m_data[0]);
}
}
// Add the GL job to create the texture
m_tex.create(cmdb, init);
// Add cleanup job
cmdb.pushBackUserCommand(deleteImageCallback, imgPtr);
// Finaly enque the GL job chain
cmdb.flush();
m_size = UVec3(init.m_width, init.m_height, init.m_depth);
}
//==============================================================================
void Ssao::initInternal(const ConfigSet& config)
{
m_enabled = config.get("pps.ssao.enabled");
if(!m_enabled)
{
return;
}
m_blurringIterationsCount =
config.get("pps.ssao.blurringIterationsCount");
//
// Init the widths/heights
//
const F32 quality = config.get("pps.ssao.renderingQuality");
m_width = quality * (F32)m_r->getWidth();
alignRoundUp(16, m_width);
m_height = quality * (F32)m_r->getHeight();
alignRoundUp(16, m_height);
//
// create FBOs
//
createFb(m_hblurFb, m_hblurRt);
createFb(m_vblurFb, m_vblurRt);
//
// noise texture
//
GlCommandBufferHandle cmdb;
cmdb.create(&getGlDevice());
GlClientBufferHandle noise;
noise.create(
cmdb, sizeof(Vec3) * NOISE_TEX_SIZE * NOISE_TEX_SIZE, nullptr);
genNoise((Vec3*)noise.getBaseAddress(),
(Vec3*)((U8*)noise.getBaseAddress() + noise.getSize()));
GlTextureHandle::Initializer tinit;
tinit.m_width = tinit.m_height = NOISE_TEX_SIZE;
tinit.m_target = GL_TEXTURE_2D;
tinit.m_internalFormat = GL_RGB32F;
tinit.m_format = GL_RGB;
tinit.m_type = GL_FLOAT;
tinit.m_filterType = GlTextureHandle::Filter::NEAREST;
tinit.m_repeat = true;
tinit.m_mipmapsCount = 1;
tinit.m_data[0][0] = noise;
m_noiseTex.create(cmdb, tinit);
//
// Kernel
//
String kernelStr(getAllocator());
Array<Vec3, KERNEL_SIZE> kernel;
genKernel(kernel.begin(), kernel.end());
kernelStr = "vec3[](";
for(U i = 0; i < kernel.size(); i++)
{
String tmp(getAllocator());
tmp.sprintf("vec3(%f, %f, %f) %s",
kernel[i].x(), kernel[i].y(), kernel[i].z(),
(i != kernel.size() - 1) ? ", " : ")");
kernelStr += tmp;
}
//
// Shaders
//
m_uniformsBuff.create(cmdb, GL_SHADER_STORAGE_BUFFER,
sizeof(ShaderCommonUniforms), GL_DYNAMIC_STORAGE_BIT);
String pps(getAllocator());
// main pass prog
pps.sprintf(
"#define NOISE_MAP_SIZE %u\n"
"#define WIDTH %u\n"
"#define HEIGHT %u\n"
"#define KERNEL_SIZE %u\n"
"#define KERNEL_ARRAY %s\n",
NOISE_TEX_SIZE, m_width, m_height, KERNEL_SIZE, &kernelStr[0]);
m_ssaoFrag.loadToCache(&getResourceManager(),
"shaders/PpsSsao.frag.glsl", pps.toCString(), "r_");
m_ssaoPpline = m_r->createDrawQuadProgramPipeline(
m_ssaoFrag->getGlProgram());
// blurring progs
const char* SHADER_FILENAME =
"shaders/VariableSamplingBlurGeneric.frag.glsl";
pps.sprintf(
"#define HPASS\n"
"#define COL_R\n"
"#define IMG_DIMENSION %u\n"
"#define SAMPLES 7\n",
m_height);
m_hblurFrag.loadToCache(&getResourceManager(),
SHADER_FILENAME, pps.toCString(), "r_");
m_hblurPpline = m_r->createDrawQuadProgramPipeline(
m_hblurFrag->getGlProgram());
pps.sprintf(
"#define VPASS\n"
"#define COL_R\n"
"#define IMG_DIMENSION %u\n"
"#define SAMPLES 7\n",
m_width);
m_vblurFrag.loadToCache(&getResourceManager(),
SHADER_FILENAME, pps.toCString(), "r_");
m_vblurPpline = m_r->createDrawQuadProgramPipeline(
m_vblurFrag->getGlProgram());
cmdb.flush();
}
