mirror of https://github.com/axmolengine/axmol.git
89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2018-2019 Xiamen Yaji Software Co., Ltd.
|
|
Copyright (c) 2020 C4games Ltd.
|
|
|
|
https://axys1.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 "ShaderModuleGL.h"
|
|
|
|
#include "platform/CCPlatformMacros.h"
|
|
#include "base/ccMacros.h"
|
|
#include "yasio/detail/byte_buffer.hpp"
|
|
|
|
NS_AX_BACKEND_BEGIN
|
|
|
|
ShaderModuleGL::ShaderModuleGL(ShaderStage stage, std::string_view source) : ShaderModule(stage)
|
|
{
|
|
compileShader(stage, source);
|
|
}
|
|
|
|
ShaderModuleGL::~ShaderModuleGL()
|
|
{
|
|
deleteShader();
|
|
}
|
|
|
|
void ShaderModuleGL::compileShader(ShaderStage stage, std::string_view source)
|
|
{
|
|
GLenum shaderType = stage == ShaderStage::VERTEX ? GL_VERTEX_SHADER : GL_FRAGMENT_SHADER;
|
|
const GLchar* sourcePtr = reinterpret_cast<const GLchar*>(source.data());
|
|
_shader = glCreateShader(shaderType);
|
|
if (!_shader)
|
|
return;
|
|
|
|
glShaderSource(_shader, 1, &sourcePtr, nullptr);
|
|
glCompileShader(_shader);
|
|
|
|
GLint status = 0;
|
|
glGetShaderiv(_shader, GL_COMPILE_STATUS, &status);
|
|
if (!status)
|
|
{
|
|
GLint logLength = 0;
|
|
glGetShaderiv(_shader, GL_INFO_LOG_LENGTH, &logLength);
|
|
|
|
if (logLength > 1)
|
|
{
|
|
yasio::sbyte_buffer errorLog{static_cast<size_t>(logLength), std::true_type{}};
|
|
glGetShaderInfoLog(_shader, logLength, nullptr, (GLchar*)errorLog.data());
|
|
ax::log("cocos2d: ERROR: Failed to compile shader, detail: %s\n%s", errorLog.data(),
|
|
source.data());
|
|
}
|
|
else
|
|
{
|
|
ax::log("cocos2d: ERROR: Failed to compile shader without errors.");
|
|
}
|
|
|
|
deleteShader();
|
|
AXASSERT(false, "Shader compile failed!");
|
|
}
|
|
}
|
|
|
|
void ShaderModuleGL::deleteShader()
|
|
{
|
|
if (_shader)
|
|
{
|
|
glDeleteShader(_shader);
|
|
_shader = 0;
|
|
}
|
|
}
|
|
|
|
NS_AX_BACKEND_END
|