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https://github.com/brunoherbelin/vimix.git
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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
#include <glad/glad.h>
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#include "defines.h"
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#include "Visitor.h"
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#include "ImageShader.h"
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#include "Resource.h"
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ShadingProgram imageShadingProgram("shaders/image.vs", "shaders/image.fs");
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const char* ImageShader::mask_names[10] = { "None", "Vignette", "Halo", "Circle", "Round", "Top", "Botton", "Left", "Right", "Custom" };
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std::vector< uint > ImageShader::mask_presets;
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ImageShader::ImageShader()
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{
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// first initialization
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if ( mask_presets.empty() ) {
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mask_presets.push_back(Resource::getTextureWhite());
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mask_presets.push_back(Resource::getTextureDDS("images/mask_vignette.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_halo.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_circle.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_roundcorner.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_linear_top.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_linear_bottom.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_linear_left.dds"));
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mask_presets.push_back(Resource::getTextureDDS("images/mask_linear_right.dds"));
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}
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// static program shader
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program_ = &imageShadingProgram;
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// reset instance
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reset();
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}
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void ImageShader::use()
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{
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Shader::use();
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program_->setUniform("stipple", stipple);
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glActiveTexture(GL_TEXTURE1);
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glBindTexture(GL_TEXTURE_2D, mask);
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glActiveTexture(GL_TEXTURE0);
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}
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void ImageShader::reset()
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{
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Shader::reset();
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// setup double texturing
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program_->use();
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program_->setUniform("iChannel0", 0);
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program_->setUniform("iChannel1", 1);
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program_->enduse();
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// default mask (channel1)
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mask = mask_presets[0];
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// no stippling
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stipple = 0.f;
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}
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void ImageShader::accept(Visitor& v) {
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Shader::accept(v);
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v.visit(*this);
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}
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