Tleety
44 lines
1.9 KiB
C++
44 lines
1.9 KiB
C++
#include "Rendering/Util/CommonFunctions.h"
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void CommonFunctions::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type)
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{
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glDeleteTextures(1, texture);
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glGenTextures(1, texture);
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glBindTexture(GL_TEXTURE_2D, *texture);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapping);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapping);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filtering);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filtering);
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glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, dimensions.x, dimensions.y, 0, format, type, nullptr);
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GLERROR("Texture initialization failed");
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}
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void CommonFunctions::GenerateMultiSampleTexture(GLuint* texture, int numSamples, glm::vec2 dimensions, GLint internalFormat)
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{
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glDeleteTextures(1, texture);
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glGenTextures(1, texture);
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glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, *texture);
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glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, numSamples, internalFormat, dimensions.x, dimensions.y, false);
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GLERROR("Texture initialization failed");
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}
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void CommonFunctions::GenerateMipMapTexture(GLuint* texture, GLenum wrapping, glm::vec2 dimensions, GLint format, GLenum type, GLint numMipMaps)
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{
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glGenTextures(1, texture);
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glBindTexture(GL_TEXTURE_2D, *texture);
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glTexStorage2D(GL_TEXTURE_2D, numMipMaps, GL_RGBA8, dimensions.x, dimensions.y);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, dimensions.x, dimensions.y, format, type, texture);
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glGenerateMipmap(GL_TEXTURE_2D);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapping);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapping);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
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GLERROR("MipMap Texture initialization failed");
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}
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void CommonFunctions::DeleteTexture(GLuint* texture)
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{
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glDeleteTextures(1, texture);
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*texture = 0;
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} |