41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
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#include "../../HEADERS/SCENE/ShadingHelper.h"
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#include <glm/gtc/type_ptr.hpp>
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ShadingHelper::ShadingHelper(GLuint program) {
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this->program = program;
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}
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void ShadingHelper::useProgram() {
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glUseProgram(program);
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}
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GLuint ShadingHelper::getProgram() {
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return program;
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}
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void ShadingHelper::bindTexture2D(GLuint texUnitIndex, GLuint texture, std::string uniform) {
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glActiveTexture(GL_TEXTURE0 + texUnitIndex);
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glBindTexture(GL_TEXTURE_2D, texture);
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glUniform1i(glGetUniformLocation(program, &uniform[0]), texUnitIndex);
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}
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void ShadingHelper::bindViewUniforms(glm::mat4 projection, glm::mat4 view) {
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GLint projectionUniform = glGetUniformLocation(program, "Projection");
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glUniformMatrix4fv(projectionUniform, 1, GL_FALSE, value_ptr(projection));
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GLint viewUniform = glGetUniformLocation(program, "View");
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glUniformMatrix4fv(viewUniform, 1, GL_FALSE, value_ptr(view));
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}
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void ShadingHelper::bindLightUniforms(glm::vec3 lightPos, glm::vec3 lightCol, glm::vec3 eyePos) {
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glUniform3f(glGetUniformLocation(program, "lightPos"), lightPos.x, lightPos.y, lightPos.z);
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glUniform3f(glGetUniformLocation(program, "lightCol"), lightCol.x, lightCol.y, lightCol.z);
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glUniform3f(glGetUniformLocation(program, "eyePos"), eyePos.x, eyePos.y, eyePos.z);
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}
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void ShadingHelper::bindModelUniforms(glm::mat4 locRotScl, glm::mat4 rotScl) {
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GLint localTransformUniform = glGetUniformLocation(program, "Model");
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glUniformMatrix4fv(localTransformUniform, 1, GL_FALSE, value_ptr(locRotScl));
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GLint onlyRotationUniform = glGetUniformLocation(program, "ModelRot");
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glUniformMatrix4fv(onlyRotationUniform, 1, GL_FALSE, value_ptr(rotScl));
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}
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