1 files changed, 15 insertions, 4 deletions
diff --git a/gfx/models/texture.cpp b/gfx/models/texture.cpp
index 51223aa..3457fb5 100644
--- a/gfx/models/texture.cpp
+++ b/gfx/models/texture.cpp
@@ -50,6 +50,16 @@ Texture::Texture(GLsizei width, GLsizei height, const void * data, TextureOption
 	glTexParameter(type, GL_TEXTURE_MIN_FILTER, to.minFilter);
 	glTexParameter(type, GL_TEXTURE_MAG_FILTER, to.magFilter);
 	glTexImage2D(type, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
+	auto isMimmap = [](auto value) {
+		auto eqAnyOf = [value](auto... test) {
+			return (... || (value == test));
+		};
+		return eqAnyOf(
+				GL_NEAREST_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_NEAREST, GL_NEAREST_MIPMAP_LINEAR, GL_LINEAR_MIPMAP_LINEAR);
+	};
+	if (isMimmap(to.minFilter) || isMimmap(to.magFilter)) {
+		glGenerateMipmap(type);
+	}
 }
 
 void
@@ -59,12 +69,13 @@ Texture::bind(GLenum unit) const
 	glBindTexture(type, m_texture);
 }
 
-TextureAbsCoord
+TextureDimensions
 Texture::getSize(const glTexture & texture)
 {
-	TextureAbsCoord size;
+	TextureDimensions size {};
 	glGetTextureLevelParameteriv(texture, 0, GL_TEXTURE_WIDTH, &size.x);
 	glGetTextureLevelParameteriv(texture, 0, GL_TEXTURE_HEIGHT, &size.y);
+	glGetTextureLevelParameteriv(texture, 0, GL_TEXTURE_DEPTH, &size.z);
 	return size;
 }
 
@@ -73,7 +84,7 @@ Texture::save(
 		const glTexture & texture, GLenum format, GLenum type, uint8_t channels, const char * path, uint8_t tgaFormat)
 {
 	const auto size = getSize(texture);
-	const size_t dataSize = (static_cast<size_t>(size.x * size.y * channels));
+	const size_t dataSize = (static_cast<size_t>(size.x * size.y * size.z * channels));
 	const size_t fileSize = dataSize + sizeof(TGAHead);
 
 	filesystem::fh out {path, O_RDWR | O_CREAT, 0660};
@@ -81,7 +92,7 @@ Texture::save(
 	auto tga = out.mmap(fileSize, 0, PROT_WRITE, MAP_SHARED);
 	*tga.get<TGAHead>() = {
 			.format = tgaFormat,
-			.size = size,
+			.size = {size.x, size.y * size.z},
 			.pixelDepth = static_cast<uint8_t>(8 * channels),
 	};
 	glPixelStorei(GL_PACK_ALIGNMENT, 1);