libgui/source/video/shaders/FetchShader.h

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2017-10-29 10:28:14 +01:00
/****************************************************************************
* Copyright (C) 2015 Dimok
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#ifndef FETCH_SHADER_H
#define FETCH_SHADER_H
#include "Shader.h"
class FetchShader : public Shader
{
public:
FetchShader(GX2AttribStream * attributes, u32 attrCount, s32 type = GX2_FETCH_SHADER_TESSELATION_NONE, s32 tess = GX2_TESSELLATION_MODE_DISCRETE)
: fetchShader(NULL)
, fetchShaderProgramm(NULL)
{
u32 shaderSize = GX2CalcFetchShaderSizeEx(attrCount, type, tess);
fetchShaderProgramm = memalign(GX2_SHADER_ALIGNMENT, shaderSize);
if(fetchShaderProgramm)
{
fetchShader = new GX2FetchShader;
GX2InitFetchShaderEx(fetchShader, fetchShaderProgramm, attrCount, attributes, type, tess);
GX2Invalidate(GX2_INVALIDATE_CPU_SHADER, fetchShaderProgramm, shaderSize);
}
}
virtual ~FetchShader() {
if(fetchShaderProgramm)
free(fetchShaderProgramm);
if(fetchShader)
delete fetchShader;
}
GX2FetchShader *getFetchShader() const {
return fetchShader;
}
void setShader(void) const {
GX2SetFetchShader(fetchShader);
}
protected:
GX2FetchShader *fetchShader;
void *fetchShaderProgramm;
};
#endif // FETCH_SHADER_H