40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#include "Texture.h"
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#include <fstream>
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#include <iostream>
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#include <iterator>
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#include <vector>
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#include "SOIL/SOIL.h"
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typedef unsigned char byte;
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GLuint Core::LoadTexture( const char * filepath )
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{
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GLuint id;
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glGenTextures(1, &id);
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glBindTexture(GL_TEXTURE_2D, id);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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int w, h;
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unsigned char* image = SOIL_load_image(filepath, &w, &h, 0, SOIL_LOAD_RGBA);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
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glGenerateMipmap(GL_TEXTURE_2D);
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SOIL_free_image_data(image);
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return id;
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}
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void Core::SetActiveTexture(GLuint textureID, const char * shaderVariableName, GLuint programID, int textureUnit)
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{
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glUniform1i(glGetUniformLocation(programID, shaderVariableName), textureUnit);
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glActiveTexture(GL_TEXTURE0 + textureUnit);
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glBindTexture(GL_TEXTURE_2D, textureID);
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}
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