50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
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#include "Renderer.h"
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#include <glm/gtc/type_ptr.hpp>
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Renderer::Renderer() {}
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void Renderer::setProgram(GLProgram* program) {
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assert(program != nullptr);
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assert((*program) > 0);
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this->program = program;
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}
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void Renderer::setProgramInput(ProgramInput* input) {
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this->input = input;
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}
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void Renderer::setModelview(const glm::mat4& mv) {
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assert(program != nullptr);
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assert((*program) > 0);
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glUseProgram(*program);
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program->setModelView(mv);
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glUseProgram(0);
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}
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void Renderer::setProjection(const glm::mat4& p) {
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assert(program != nullptr);
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assert((*program) > 0);
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glUseProgram(*program);
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program->setProjection(p);
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glUseProgram(0);
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}
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void Renderer::setElementCount(unsigned int n_elements) { this->n_elements = n_elements; }
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void Renderer::draw() {
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assert(program != nullptr);
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assert((*program) > 0);
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glUseProgram(*program);
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glBindVertexArray(*input);
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glEnableVertexAttribArray(0);
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glEnableVertexAttribArray(1);
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glEnableVertexAttribArray(2);
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glDrawElements(GL_TRIANGLES, n_elements, GL_UNSIGNED_INT, 0);
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glDisableVertexAttribArray(0);
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glDisableVertexAttribArray(1);
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glDisableVertexAttribArray(2);
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glBindVertexArray(0);
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glUseProgram(0);
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}
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