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axmol/core/renderer/backend/ProgramManager.cpp

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/****************************************************************************
Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
Copyright (c) 2022 Bytedance Inc.
https://axmolengine.github.io/
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "ProgramManager.h"
#include "Device.h"
#include "ShaderModule.h"
#include "renderer/Shaders.h"
#include "base/Macros.h"
#include "base/Configuration.h"
NS_AX_BACKEND_BEGIN
namespace
{
std::string getShaderMacrosForLight()
{
char def[256];
auto conf = Configuration::getInstance();
snprintf(def, sizeof(def) - 1,
"\n#define MAX_DIRECTIONAL_LIGHT_NUM %d \n"
"\n#define MAX_POINT_LIGHT_NUM %d \n"
"\n#define MAX_SPOT_LIGHT_NUM %d \n",
conf->getMaxSupportDirLightInShader(), conf->getMaxSupportPointLightInShader(),
conf->getMaxSupportSpotLightInShader());
return std::string(def);
}
} // namespace
ProgramManager* ProgramManager::_sharedProgramManager = nullptr;
Program* ProgramManager::newProgram(std::string_view vertShaderSource,
std::string_view fragShaderSource,
std::function<void(Program*)> fnSetupLayout)
{
auto program = Device::getInstance()->newProgram(vertShaderSource, fragShaderSource);
if (program)
fnSetupLayout(program);
return program;
}
ProgramManager* ProgramManager::getInstance()
{
if (!_sharedProgramManager)
{
_sharedProgramManager = new ProgramManager();
if (!_sharedProgramManager->init())
{
AX_SAFE_DELETE(_sharedProgramManager);
}
}
return _sharedProgramManager;
}
void ProgramManager::destroyInstance()
{
AX_SAFE_RELEASE_NULL(_sharedProgramManager);
}
ProgramManager::~ProgramManager()
{
for (auto&& program : _cachedPrograms)
{
AX_SAFE_RELEASE(program.second);
}
AXLOGINFO("deallocing ProgramManager: %p", this);
backend::ShaderCache::destroyInstance();
}
/*
* shader vertex layout setup functions
*/
void VertexLayoutHelper::setupDummy(Program*) {}
void VertexLayoutHelper::setupTexture(Program* program)
{
auto vertexLayout = program->getVertexLayout();
/// a_position
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT2, 0, false);
/// a_texCoord
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_TEXCOORD,
program->getAttributeLocation(backend::Attribute::TEXCOORD),
backend::VertexFormat::FLOAT2, 2 * sizeof(float), false);
vertexLayout->setStride(4 * sizeof(float));
}
void VertexLayoutHelper::setupSprite(Program* program)
{
auto vertexLayout = program->getVertexLayout();
/// a_position
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT3, 0, false);
/// a_texCoord
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_TEXCOORD,
program->getAttributeLocation(backend::Attribute::TEXCOORD),
backend::VertexFormat::FLOAT2, offsetof(V3F_C4B_T2F, texCoords), false);
/// a_color
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_COLOR, program->getAttributeLocation(backend::Attribute::COLOR),
backend::VertexFormat::UBYTE4, offsetof(V3F_C4B_T2F, colors), true);
vertexLayout->setStride(sizeof(V3F_C4B_T2F));
}
void VertexLayoutHelper::setupDrawNode(Program* program)
{
auto vertexLayout = program->getVertexLayout();
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT2, 0, false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_TEXCOORD,
program->getAttributeLocation(backend::Attribute::TEXCOORD),
backend::VertexFormat::FLOAT2, offsetof(V2F_C4B_T2F, texCoords), false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_COLOR, program->getAttributeLocation(backend::Attribute::COLOR),
backend::VertexFormat::UBYTE4, offsetof(V2F_C4B_T2F, colors), true);
vertexLayout->setStride(sizeof(V2F_C4B_T2F));
}
void VertexLayoutHelper::setupDrawNode3D(Program* program)
{
auto vertexLayout = program->getVertexLayout();
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT3, 0, false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_COLOR, program->getAttributeLocation(backend::Attribute::COLOR),
backend::VertexFormat::UBYTE4, sizeof(Vec3), true);
vertexLayout->setStride(sizeof(V3F_C4B));
}
void VertexLayoutHelper::setupSkyBox(Program* program)
{
auto vertexLayout = program->getVertexLayout();
auto attrNameLoc = program->getAttributeLocation(shaderinfos::attribute::ATTRIBUTE_NAME_POSITION);
vertexLayout->setAttribute(shaderinfos::attribute::ATTRIBUTE_NAME_POSITION, attrNameLoc,
backend::VertexFormat::FLOAT3, 0, false);
vertexLayout->setStride(sizeof(Vec3));
}
void VertexLayoutHelper::setupPU3D(Program* program)
{
auto vertexLayout = program->getVertexLayout();
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT3, offsetof(V3F_T2F_C4F, position), false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_TEXCOORD,
program->getAttributeLocation(backend::Attribute::TEXCOORD),
backend::VertexFormat::FLOAT2, offsetof(V3F_T2F_C4F, uv), false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_COLOR, program->getAttributeLocation(backend::Attribute::COLOR),
backend::VertexFormat::FLOAT4, offsetof(V3F_T2F_C4F, color), false);
vertexLayout->setStride(sizeof(V3F_T2F_C4F));
}
void VertexLayoutHelper::setupPos(Program* program)
{
auto vertexLayout = program->getVertexLayout();
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT2, 0, false);
vertexLayout->setStride(sizeof(Vec2));
}
void VertexLayoutHelper::setupPosColor(Program* program)
{
auto vertexLayout = program->getVertexLayout();
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT3, 0, false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_COLOR, program->getAttributeLocation(backend::Attribute::COLOR),
backend::VertexFormat::FLOAT4, offsetof(V3F_C4F, colors), false);
vertexLayout->setStride(sizeof(V3F_C4F));
}
void VertexLayoutHelper::setupTerrain3D(Program* program)
{
auto vertexLayout = program->getVertexLayout();
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_POSITION,
program->getAttributeLocation(backend::Attribute::POSITION),
backend::VertexFormat::FLOAT3, 0, false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_TEXCOORD,
program->getAttributeLocation(backend::Attribute::TEXCOORD),
backend::VertexFormat::FLOAT2, offsetof(V3F_T2F_N3F, texcoord), false);
vertexLayout->setAttribute(backend::ATTRIBUTE_NAME_NORMAL,
program->getAttributeLocation(backend::Attribute::NORMAL), backend::VertexFormat::FLOAT3,
offsetof(V3F_T2F_N3F, normal), false);
vertexLayout->setStride(sizeof(V3F_T2F_N3F));
}
// ### end of vertex layout setup functions
bool ProgramManager::init()
{
registerProgramFactoryByName(ProgramType::POSITION_TEXTURE_COLOR, positionTextureColor_vert, positionTextureColor_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::DUAL_SAMPLER, positionTextureColor_vert, dualSampler_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::LABEL_DISTANCE_NORMAL, positionTextureColor_vert, label_distanceNormal_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::LABEL_NORMAL, positionTextureColor_vert, label_normal_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::LABLE_OUTLINE, positionTextureColor_vert, labelOutline_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::LABLE_DISTANCEFIELD_GLOW, positionTextureColor_vert,
labelDistanceFieldGlow_frag, VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::POSITION_COLOR_LENGTH_TEXTURE, positionColorLengthTexture_vert,
positionColorLengthTexture_frag, VertexLayoutHelper::setupDrawNode);
registerProgramFactoryByName(ProgramType::POSITION_COLOR_TEXTURE_AS_POINTSIZE, positionColorTextureAsPointsize_vert,
positionColor_frag, VertexLayoutHelper::setupDrawNode);
registerProgramFactoryByName(ProgramType::POSITION_COLOR, positionColor_vert, positionColor_frag,
VertexLayoutHelper::setupPosColor);
registerProgramFactoryByName(ProgramType::LAYER_RADIA_GRADIENT, position_vert, layer_radialGradient_frag,
VertexLayoutHelper::setupPos);
registerProgramFactoryByName(ProgramType::POSITION_TEXTURE, positionTexture_vert, positionTexture_frag,
VertexLayoutHelper::setupTexture);
registerProgramFactoryByName(ProgramType::POSITION_TEXTURE_COLOR_ALPHA_TEST, positionTextureColor_vert,
positionTextureColorAlphaTest_frag, VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::POSITION_UCOLOR, positionUColor_vert, positionColor_frag,
VertexLayoutHelper::setupPos);
registerProgramFactoryByName(ProgramType::DUAL_SAMPLER_GRAY, positionTextureColor_vert, dualSampler_gray_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::GRAY_SCALE, positionTextureColor_vert, grayScale_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::LINE_COLOR_3D, lineColor3D_vert, lineColor3D_frag,
VertexLayoutHelper::setupDrawNode3D);
registerProgramFactoryByName(ProgramType::CAMERA_CLEAR, cameraClear_vert, cameraClear_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::SKYBOX_3D, skybox_vert, skybox_frag, VertexLayoutHelper::setupSkyBox);
registerProgramFactoryByName(ProgramType::SKINPOSITION_TEXTURE_3D, skinPositionTexture_vert, colorTexture_frag,
VertexLayoutHelper::setupDummy);
auto lightDef = getShaderMacrosForLight();
registerProgramFactoryByName(ProgramType::SKINPOSITION_NORMAL_TEXTURE_3D, skinPositionNormalTexture_vert,
colorNormalTexture_frag, VertexLayoutHelper::setupDummy, lightDef);
registerProgramFactoryByName(ProgramType::POSITION_NORMAL_TEXTURE_3D, positionNormalTexture_vert,
colorNormalTexture_frag, VertexLayoutHelper::setupDummy, lightDef);
registerProgramFactoryByName(ProgramType::POSITION_TEXTURE_3D, positionTexture3D_vert, colorTexture_frag,
VertexLayoutHelper::setupDummy);
registerProgramFactoryByName(ProgramType::POSITION_3D, positionTexture3D_vert, color_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::POSITION_NORMAL_3D, positionNormalTexture_vert, colorNormal_frag,
VertexLayoutHelper::setupDummy, lightDef);
std::string lightNormMapDef = lightDef;
lightNormMapDef += "\n#define USE_NORMAL_MAPPING 1 \n"sv;
registerProgramFactoryByName(ProgramType::POSITION_BUMPEDNORMAL_TEXTURE_3D,
positionNormalTexture_vert,
colorNormalTexture_frag, VertexLayoutHelper::setupDummy, lightNormMapDef);
registerProgramFactoryByName(ProgramType::SKINPOSITION_BUMPEDNORMAL_TEXTURE_3D,
skinPositionNormalTexture_vert,
colorNormalTexture_frag, VertexLayoutHelper::setupDummy, lightNormMapDef);
registerProgramFactoryByName(ProgramType::TERRAIN_3D, terrain_vert, terrain_frag,
VertexLayoutHelper::setupTerrain3D);
registerProgramFactoryByName(ProgramType::PARTICLE_TEXTURE_3D, particle_vert, particleTexture_frag,
VertexLayoutHelper::setupPU3D);
registerProgramFactoryByName(ProgramType::PARTICLE_COLOR_3D, particle_vert, particleColor_frag,
VertexLayoutHelper::setupPU3D);
registerProgramFactoryByName(ProgramType::QUAD_COLOR_2D, quadColor_vert, quadColor_frag,
VertexLayoutHelper::setupDummy);
registerProgramFactoryByName(ProgramType::QUAD_TEXTURE_2D, quadTexture_vert, quadTexture_frag,
VertexLayoutHelper::setupDummy);
registerProgramFactoryByName(ProgramType::HSV, positionTextureColor_vert, hsv_frag, VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::HSV_DUAL_SAMPLER, positionTextureColor_vert, dualSampler_hsv_frag,
VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::VIDEO_TEXTURE_YUY2, positionTextureColor_vert,
std::string{videoTextureYUY2_frag}, VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::VIDEO_TEXTURE_NV12, positionTextureColor_vert,
std::string{videoTextureNV12_frag}, VertexLayoutHelper::setupSprite);
registerProgramFactoryByName(ProgramType::VIDEO_TEXTURE_BGR32, positionTextureColor_vert,
std::string{videoTextureBGRA_frag}, VertexLayoutHelper::setupSprite);
// The builtin dual sampler shader registry
ProgramStateRegistry::getInstance()->registerProgram(ProgramType::POSITION_TEXTURE_COLOR,
TextureSamplerFlag::DUAL_SAMPLER,
getBuiltinProgram(ProgramType::DUAL_SAMPLER));
ProgramStateRegistry::getInstance()->registerProgram(ProgramType::GRAY_SCALE, TextureSamplerFlag::DUAL_SAMPLER,
getBuiltinProgram(ProgramType::DUAL_SAMPLER_GRAY));
ProgramStateRegistry::getInstance()->registerProgram(ProgramType::HSV, TextureSamplerFlag::DUAL_SAMPLER,
getBuiltinProgram(ProgramType::HSV_DUAL_SAMPLER));
return true;
}
Program* ProgramManager::getCustomProgram(uint32_t type) const
{
return getBuiltinProgram(type | ProgramType::CUSTOM_PROGRAM);
}
Program* ProgramManager::getBuiltinProgram(uint32_t type) const
{
auto iter = _cachedPrograms.find(type);
if (iter != _cachedPrograms.end())
return iter->second;
return addProgram(type);
}
Program* ProgramManager::addProgram(uint32_t internalType) const
{
Program* program = nullptr;
if (internalType < ProgramType::BUILTIN_COUNT)
{
auto& func = _builtinFactories[internalType];
if (func)
program = func();
}
else
{
auto iter = _customFactories.find(internalType);
if (iter != _customFactories.end())
{
auto& func = iter->second;
if (func)
program = func();
}
}
if (program)
{
program->setProgramType(internalType);
_cachedPrograms.emplace(internalType, program);
}
return program;
}
void ProgramManager::registerCustomProgramFactory(uint32_t type,
std::string vertShaderSource,
std::string fragShaderSource,
std::function<void(Program*)> fnSetupLayout)
{
auto internalType = ProgramType::CUSTOM_PROGRAM | type;
registerProgramFactoryByName(internalType, std::move(vertShaderSource), std::move(fragShaderSource),
std::move(fnSetupLayout), "");
}
void ProgramManager::registerProgramFactoryByName(uint32_t internalType,
std::string_view vertShaderName,
std::string_view fragShaderName,
std::function<void(Program*)> fnSetupLayout,
std::string_view defines)
{
auto loadShaderFunc = [vsName = std::string{vertShaderName}, fsName = std::string{fragShaderName},
setupLayout = std::move(fnSetupLayout), defines = std::string{defines}]() mutable {
auto fileUtils = FileUtils::getInstance();
auto vertFile = fileUtils->fullPathForFilename(vsName);
auto fragFile = fileUtils->fullPathForFilename(fsName);
auto vertSource = fileUtils->getStringFromFile(vertFile);
auto fragSource = fileUtils->getStringFromFile(fragFile);
if (!defines.empty())
{
vertSource.insert(0, defines);
fragSource.insert(0, defines);
}
auto program = backend::Device::getInstance()->newProgram(vertSource, fragSource);
setupLayout(program);
return program;
};
if (internalType < ProgramType::BUILTIN_COUNT)
{
_builtinFactories[internalType] = loadShaderFunc;
}
else
{
auto it = _customFactories.find(internalType);
if (it == _customFactories.end())
_customFactories.emplace(internalType, loadShaderFunc);
else
it->second = loadShaderFunc;
}
}
void ProgramManager::removeProgram(Program* program)
{
if (!program)
{
return;
}
for (auto it = _cachedPrograms.cbegin(); it != _cachedPrograms.cend();)
{
if (it->second == program)
{
it->second->release();
it = _cachedPrograms.erase(it);
break;
}
else
++it;
}
}
void ProgramManager::removeUnusedProgram()
{
for (auto iter = _cachedPrograms.cbegin(); iter != _cachedPrograms.cend();)
{
auto program = iter->second;
if (program->getReferenceCount() == 1)
{
// AXLOG("axmol: TextureCache: removing unused program");
program->release();
iter = _cachedPrograms.erase(iter);
}
else
{
++iter;
}
}
}
void ProgramManager::removeAllPrograms()
{
ProgramStateRegistry::getInstance()->clearPrograms();
for (auto&& program : _cachedPrograms)
{
program.second->release();
}
_cachedPrograms.clear();
}
NS_AX_BACKEND_END
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