mirror of https://github.com/axmolengine/axmol.git
300 lines
8.8 KiB
C++
300 lines
8.8 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2010-2013 cocos2d-x.org
|
|
Copyright (c) Microsoft Open Technologies, Inc.
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
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 "CCPrecompiledShaders.h"
|
|
#include "CCWinRTUtils.h"
|
|
#include "renderer/CCGLProgram.h"
|
|
#include "sha1.h"
|
|
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
|
|
#include "platform/winrt/shaders/precompiledshaders.h"
|
|
#elif (CC_TARGET_PLATFORM == CC_PLATFORM_WP8)
|
|
#include "platform/wp8/shaders/precompiledshaders.h"
|
|
#endif
|
|
|
|
|
|
using namespace Windows::Graphics::Display;
|
|
using namespace Windows::Storage;
|
|
using namespace Platform;
|
|
using namespace Windows::Storage;
|
|
using namespace Windows::Storage::Pickers;
|
|
using namespace Windows::Storage::Streams;
|
|
using namespace concurrency;
|
|
|
|
NS_CC_BEGIN
|
|
|
|
// singleton stuff
|
|
static CCPrecompiledShaders *s_pPrecompiledShaders = NULL;
|
|
|
|
#define SHADER_NAME_PREFIX "s_"
|
|
|
|
|
|
CCPrecompiledShaders* CCPrecompiledShaders::getInstance(void)
|
|
{
|
|
if (!s_pPrecompiledShaders)
|
|
{
|
|
s_pPrecompiledShaders = new CCPrecompiledShaders();
|
|
}
|
|
|
|
return s_pPrecompiledShaders;
|
|
}
|
|
|
|
CCPrecompiledShaders::CCPrecompiledShaders(void)
|
|
: m_isDirty(false)
|
|
{
|
|
Init();
|
|
}
|
|
|
|
void CCPrecompiledShaders::Init(void)
|
|
{
|
|
m_programs.clear();
|
|
m_precompiledPrograms.clear();
|
|
|
|
// add existing precomiled programs to dictionary
|
|
loadPrecompiledPrograms();
|
|
}
|
|
|
|
CCPrecompiledShaders::~CCPrecompiledShaders(void)
|
|
{
|
|
}
|
|
|
|
static std::string computeHash(const GLchar* vShaderByteArray, const GLchar* fShaderByteArray)
|
|
{
|
|
SHA1Context sha;
|
|
int err;
|
|
err = SHA1Reset(&sha);
|
|
std::string result = "";
|
|
uint8_t hash[SHA1HashSize];
|
|
char hashString[SHA1HashSize * 2 + 1];
|
|
|
|
if(!err)
|
|
{
|
|
err = SHA1Input(&sha,(const unsigned char *) vShaderByteArray,strlen(vShaderByteArray));
|
|
}
|
|
if(!err)
|
|
{
|
|
err = SHA1Input(&sha,(const unsigned char *) fShaderByteArray,strlen(fShaderByteArray));
|
|
}
|
|
if(!err)
|
|
{
|
|
char* shader_version = (char*) glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
err = SHA1Input(&sha,(const unsigned char *) shader_version,strlen(shader_version));
|
|
}
|
|
if(!err)
|
|
{
|
|
err = SHA1Result(&sha, hash);
|
|
}
|
|
if(!err)
|
|
{
|
|
SHA1ConvertMessageToString(hash, hashString);
|
|
result = hashString;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
std::string CCPrecompiledShaders::addShaders(const GLchar* vShaderByteArray, const GLchar* fShaderByteArray)
|
|
{
|
|
return computeHash(vShaderByteArray, fShaderByteArray);
|
|
}
|
|
|
|
|
|
void CCPrecompiledShaders::loadPrecompiledPrograms()
|
|
{
|
|
m_precompiledPrograms.clear();
|
|
#if defined(PRECOMPILED_SHADERS)
|
|
for(int i = 0; i < s_numPrograms; i++)
|
|
{
|
|
PrecompiledProgram* p = new PrecompiledProgram();
|
|
p->key = s_programKeys[i];
|
|
p->program = s_programs[i];
|
|
p->length = s_programLengths[i];
|
|
m_precompiledPrograms[s_programKeys[i]] = p;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void CCPrecompiledShaders::addPrecompiledProgram(const char* key, const unsigned char* program, int programLength)
|
|
{
|
|
std::string id = key;
|
|
PrecompiledProgram* p = nullptr;
|
|
auto it = m_precompiledPrograms.find(id);
|
|
if (it != m_precompiledPrograms.end())
|
|
{
|
|
p = it->second;
|
|
}
|
|
else
|
|
{
|
|
p = new PrecompiledProgram();
|
|
m_precompiledPrograms[id] = p;
|
|
}
|
|
p->key = key;
|
|
p->program = program;
|
|
p->length = programLength;
|
|
}
|
|
|
|
bool CCPrecompiledShaders::loadProgram(GLuint program, const GLchar* vShaderByteArray, const GLchar* fShaderByteArray)
|
|
{
|
|
std::string id = computeHash(vShaderByteArray, fShaderByteArray);
|
|
|
|
auto it = m_precompiledPrograms.find(id);
|
|
if(it == m_precompiledPrograms.end())
|
|
return false;
|
|
|
|
glProgramBinaryOES(program, GL_PROGRAM_BINARY_ANGLE, (const GLvoid*) it->second->program, it->second->length);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CCPrecompiledShaders::addProgram(GLuint program, const std::string& id)
|
|
{
|
|
int length;
|
|
|
|
auto it = m_programs.find(id);
|
|
if(it != m_programs.end())
|
|
return true;
|
|
|
|
auto it2 = m_precompiledPrograms.find(id);
|
|
if(it2 == m_precompiledPrograms.end())
|
|
m_isDirty = true;
|
|
|
|
CompiledProgram* p = new CompiledProgram();
|
|
|
|
glGetProgramiv(program, GL_PROGRAM_BINARY_LENGTH_OES, &length);
|
|
p->program.reserve(length);
|
|
p->length = length;
|
|
p->key = id;
|
|
GLenum binaryFormat;
|
|
glGetProgramBinaryOES(program, length, NULL, &binaryFormat, p->program.data());
|
|
m_programs[id] = p;
|
|
|
|
return true;
|
|
}
|
|
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
|
|
|
|
void CCPrecompiledShaders::savePrecompiledPrograms(Windows::Storage::StorageFolder^ folder)
|
|
{
|
|
Platform::String ^fileName = L"precompiledshaders.h";
|
|
|
|
auto saveTask = create_task(folder->CreateFileAsync(fileName, CreationCollisionOption::ReplaceExisting));
|
|
|
|
saveTask.then([this](StorageFile^ file)
|
|
{
|
|
InMemoryRandomAccessStream^ memoryStream = ref new InMemoryRandomAccessStream();
|
|
DataWriter^ dataWriter = ref new DataWriter(memoryStream);
|
|
|
|
Platform::String^ programLengths = "const int s_programLengths[] = {";
|
|
Platform::String^ programs = "const unsigned char* s_programs[] = {";
|
|
Platform::String^ programKeys = "const char* s_programKeys[] = {";
|
|
|
|
int numPrograms = 0;
|
|
|
|
dataWriter->WriteString(L"#define PRECOMPILED_SHADERS\n\n");
|
|
|
|
|
|
for (auto iter = m_programs.begin(); iter != m_programs.end(); ++iter)
|
|
{
|
|
CompiledProgram* p = (CompiledProgram*)iter->second;
|
|
Platform::String^ keyName = ref new Platform::String(CCUtf8ToUnicode(p->key.c_str()).c_str());
|
|
Platform::String^ programName = SHADER_NAME_PREFIX + keyName;
|
|
|
|
dataWriter->WriteString("const unsigned char ");
|
|
dataWriter->WriteString(programName);
|
|
dataWriter->WriteString("[] = {\n");
|
|
|
|
char temp[32];
|
|
unsigned char* buffer = p->program.data();
|
|
|
|
for(int i = 0; i < p->length - 1; i++)
|
|
{
|
|
if(i % 8 == 0)
|
|
dataWriter->WriteString("\n");
|
|
sprintf_s(temp, "%3i, ", buffer[i]);
|
|
dataWriter->WriteString(ref new Platform::String(CCUtf8ToUnicode(temp).c_str()));
|
|
}
|
|
if((p->length - 1) % 8 == 0)
|
|
dataWriter->WriteString("\n");
|
|
sprintf_s(temp, "%3i, ", buffer[p->length - 1]);
|
|
dataWriter->WriteString(ref new Platform::String(CCUtf8ToUnicode(temp).c_str()));
|
|
dataWriter->WriteString("\n};\n\n");
|
|
|
|
if(numPrograms != 0)
|
|
{
|
|
programLengths += (",");
|
|
programs += (",");
|
|
programKeys += (",");
|
|
}
|
|
programLengths += p->length;
|
|
programs += programName;
|
|
programKeys += "\"" + keyName + "\"";
|
|
numPrograms++;
|
|
}
|
|
|
|
programLengths += "};\n";
|
|
programs += "};\n";
|
|
programKeys += "};\n";
|
|
|
|
Platform::String^ n = ref new Platform::String(L"const int s_numPrograms = ");
|
|
n += numPrograms;
|
|
n += ";\n";
|
|
|
|
dataWriter->WriteString(n);
|
|
dataWriter->WriteString(programLengths);
|
|
dataWriter->WriteString(programs);
|
|
dataWriter->WriteString(programKeys);
|
|
|
|
return FileIO::WriteBufferAsync(file, dataWriter->DetachBuffer());
|
|
});
|
|
|
|
}
|
|
|
|
void CCPrecompiledShaders::savePrecompiledShaders()
|
|
{
|
|
if(!m_isDirty)
|
|
return;
|
|
|
|
|
|
FolderPicker^ folderPicker = ref new FolderPicker();
|
|
folderPicker->SuggestedStartLocation = PickerLocationId::Desktop;
|
|
folderPicker->FileTypeFilter->Append(".h");
|
|
|
|
auto saveTask = create_task(folderPicker->PickSingleFolderAsync());
|
|
saveTask.then([this](StorageFolder^ folder)
|
|
{
|
|
if(folder != nullptr)
|
|
{
|
|
savePrecompiledPrograms(folder);
|
|
m_isDirty = false;
|
|
}
|
|
});
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
NS_CC_END
|
|
|
|
|