90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
#include "MainProgram.hpp"
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#include "../Renderer.hpp"
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MainProgram::MainProgram(const MainProgram::options& opts): Program() {
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std::vector<std::string> flags;
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if(opts.pbr)
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flags.push_back("PBR");
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if(opts.triplanar)
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flags.push_back("TRIPLANAR");
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if (opts.fog)
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flags.push_back("FOG");
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if (opts.blend)
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flags.push_back("BLEND");
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std::vector<Shader*> shaders;
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shaders.push_back(loadShader(GL_VERTEX_SHADER, flags));
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shaders.push_back(loadShader(GL_FRAGMENT_SHADER, flags));
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if (opts.blend)
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shaders.push_back(loadShader(GL_GEOMETRY_SHADER, flags));
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load(shaders);
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MVPMatrixID = glGetUniformLocation(ProgramID, "MVP");
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ModelMatrixID = glGetUniformLocation(ProgramID, "Model");
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ViewMatrixID = glGetUniformLocation(ProgramID, "View");
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TextureID = glGetUniformLocation(ProgramID, "TextureAtlas");
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NormalID = glGetUniformLocation(ProgramID, "NormalAtlas");
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HOSID = glGetUniformLocation(ProgramID, "HOSAtlas");
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LightInvDirID = glGetUniformLocation(ProgramID, "LightInvDirection_worldspace");
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FogDepthID = glGetUniformLocation(ProgramID, "FogDepth");
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FogColorID = glGetUniformLocation(ProgramID, "FogColor");
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}
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MainProgram::~MainProgram() { }
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std::string MainProgram::getName() const {
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return "Main";
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}
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void MainProgram::start(Renderer *renderer) {
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bindTexture(renderer->getTextureAtlas());
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bindNormal(renderer->getNormalAtlas());
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bindHOS(renderer->getHOSAtlas());
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setLightInvDir(&renderer->LightInvDir[0]);
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setFog(&renderer->FogColor[0], renderer->FogDepth);
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}
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Buffer::params MainProgram::setup(Renderer *renderer, glm::mat4 modelMatrix) {
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setModel(&modelMatrix[0][0]);
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setView(&renderer->getViewMatrix()[0][0]);
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const auto mvp = renderer->getProjectionMatrix() * renderer->getViewMatrix() * modelMatrix;
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setMVP(&mvp[0][0]);
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return Buffer::params{.vertexOnly = false};
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}
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void MainProgram::setMVP(const GLfloat *matrix) {
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glUniformMatrix4fv(MVPMatrixID, 1, GL_FALSE, matrix);
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}
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void MainProgram::setModel(const GLfloat *matrix) {
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glUniformMatrix4fv(ModelMatrixID, 1, GL_FALSE, matrix);
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}
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void MainProgram::setView(const GLfloat *matrix) {
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glUniformMatrix4fv(ViewMatrixID, 1, GL_FALSE, matrix);
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}
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void MainProgram::bindTexture(GLuint textureID) {
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D_ARRAY, textureID);
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glUniform1i(TextureID, 0);
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}
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void MainProgram::bindNormal(GLuint textureID) {
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glActiveTexture(GL_TEXTURE1);
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glBindTexture(GL_TEXTURE_2D_ARRAY, textureID);
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glUniform1i(NormalID, 1);
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}
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void MainProgram::bindHOS(GLuint textureID) {
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glActiveTexture(GL_TEXTURE2);
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glBindTexture(GL_TEXTURE_2D_ARRAY, textureID);
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glUniform1i(HOSID, 2);
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}
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void MainProgram::setLightInvDir(const GLfloat *pos) {
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glUniform3fv(LightInvDirID, 1, pos);
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}
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void MainProgram::setFog(const GLfloat *color, const GLfloat depth) {
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glUniform3fv(FogColorID, 1, color);
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glUniform1f(FogDepthID, depth);
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} |