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opengl good practice: unbind texture after set

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Bruno
2021-04-28 11:18:45 +02:00
parent ee20718c51
commit 038fea3539
4 changed files with 13 additions and 4 deletions
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5
Resource.cpp
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@@ -38,6 +38,7 @@ uint Resource::getTextureBlack()
// texture with one black pixel
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 1, 1);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, clearColor);
glBindTexture(GL_TEXTURE_2D, 0);
}
return tex_index_black;
@@ -59,6 +60,7 @@ uint Resource::getTextureWhite()
// texture with one black pixel
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 1, 1);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, clearColor);
glBindTexture(GL_TEXTURE_2D, 0);
}
return tex_index_white;
@@ -80,6 +82,7 @@ uint Resource::getTextureTransparent()
// texture with one black pixel
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA8, 1, 1);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, clearColor);
glBindTexture(GL_TEXTURE_2D, 0);
}
return tex_index_transparent;
@@ -219,6 +222,7 @@ uint Resource::getTextureDDS(const std::string& path, float *aspect_ratio)
if(height < 1) height = 1;
}
glBindTexture(GL_TEXTURE_2D, 0);
// remember to avoid openning the same resource twice
textureIndex[path] = textureID;
@@ -276,6 +280,7 @@ uint Resource::getTextureImage(const std::string& path, float *aspect_ratio)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(GL_TEXTURE_2D, 0);
// free memory
stbi_image_free(img);