NotificationModule/src/shaders/Texture2DShader.h

105 lines
3.6 KiB
C++

/****************************************************************************
* 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 __TEXTURE_2D_SHADER_H_
#define __TEXTURE_2D_SHADER_H_
#include "FetchShader.h"
#include "PixelShader.h"
#include "VertexShader.h"
class Texture2DShader : public Shader {
private:
Texture2DShader();
virtual ~Texture2DShader();
static const uint32_t cuAttributeCount = 2;
static const uint32_t ciPositionVtxsSize = 4 * cuVertexAttrSize;
static const uint32_t ciTexCoordsVtxsSize = 4 * cuTexCoordAttrSize;
static Texture2DShader *shaderInstance;
FetchShader *fetchShader;
VertexShader vertexShader;
PixelShader pixelShader;
float *posVtxs;
float *texCoords;
uint32_t angleLocation;
uint32_t offsetLocation;
uint32_t scaleLocation;
uint32_t colorIntensityLocation;
uint32_t blurLocation;
uint32_t samplerLocation;
uint32_t positionLocation;
uint32_t texCoordLocation;
public:
static Texture2DShader *instance() {
if (!shaderInstance) {
shaderInstance = new Texture2DShader();
}
return shaderInstance;
}
static void destroyInstance() {
if (shaderInstance) {
delete shaderInstance;
shaderInstance = nullptr;
}
}
void setShaders() const {
fetchShader->setShader();
vertexShader.setShader();
pixelShader.setShader();
}
void setAttributeBuffer(const float *texCoords_in = nullptr, const float *posVtxs_in = nullptr, const uint32_t &vtxCount = 0) const {
if (posVtxs_in && texCoords_in && vtxCount) {
VertexShader::setAttributeBuffer(0, vtxCount * cuVertexAttrSize, cuVertexAttrSize, posVtxs_in);
VertexShader::setAttributeBuffer(1, vtxCount * cuTexCoordAttrSize, cuTexCoordAttrSize, texCoords_in);
} else {
VertexShader::setAttributeBuffer(0, ciPositionVtxsSize, cuVertexAttrSize, posVtxs);
VertexShader::setAttributeBuffer(1, ciTexCoordsVtxsSize, cuTexCoordAttrSize, texCoords);
}
}
void setAngle(const float &val) {
VertexShader::setUniformReg(angleLocation, 4, &val);
}
void setOffset(const glm::vec3 &vec) {
VertexShader::setUniformReg(offsetLocation, 4, &vec[0]);
}
void setScale(const glm::vec3 &vec) {
VertexShader::setUniformReg(scaleLocation, 4, &vec[0]);
}
void setColorIntensity(const glm::vec4 &vec) {
PixelShader::setUniformReg(colorIntensityLocation, 4, &vec[0]);
}
void setBlurring(const glm::vec3 &vec) {
PixelShader::setUniformReg(blurLocation, 4, &vec[0]);
}
void setTextureAndSampler(const GX2Texture *texture, const GX2Sampler *sampler) const {
GX2SetPixelTexture((GX2Texture *) texture, samplerLocation);
GX2SetPixelSampler((GX2Sampler *) sampler, samplerLocation);
}
};
#endif // __TEXTURE_2D_SHADER_H_