diff options
Diffstat (limited to 'gfx/models/texture.cpp')
| -rw-r--r-- | gfx/models/texture.cpp | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/gfx/models/texture.cpp b/gfx/models/texture.cpp index a500fed..ab256d5 100644 --- a/gfx/models/texture.cpp +++ b/gfx/models/texture.cpp @@ -44,12 +44,22 @@ Texture::bind(GLenum unit) const glBindTexture(type, m_texture);
}
+glm::ivec2
+Texture::getSize(const glTexture & texture)
+{
+ glm::ivec2 size;
+ glGetTextureLevelParameteriv(texture, 0, GL_TEXTURE_WIDTH, &size.x);
+ glGetTextureLevelParameteriv(texture, 0, GL_TEXTURE_HEIGHT, &size.y);
+ return size;
+}
+
void
-Texture::save(const glTexture & texture, GLenum format, GLenum type, const glm::ivec2 & size, unsigned short channels,
- const char * path, short tgaFormat)
+Texture::save(const glTexture & texture, GLenum format, GLenum type, unsigned short channels, const char * path,
+ short tgaFormat)
{
using TGAHead = std::array<short, 9>;
+ const auto size = getSize(texture);
const size_t dataSize = (static_cast<size_t>(size.x * size.y * channels));
const size_t fileSize = dataSize + sizeof(TGAHead);
@@ -63,27 +73,27 @@ Texture::save(const glTexture & texture, GLenum format, GLenum type, const glm:: }
void
-Texture::save(const glm::ivec2 & size, const char * path) const
+Texture::save(const char * path) const
{
- save(m_texture, GL_BGR, GL_UNSIGNED_BYTE, size, 3, path, 2);
+ save(m_texture, GL_BGR, GL_UNSIGNED_BYTE, 3, path, 2);
}
void
-Texture::save(const glTexture & texture, const glm::ivec2 & size, const char * path)
+Texture::save(const glTexture & texture, const char * path)
{
- save(texture, GL_BGR, GL_UNSIGNED_BYTE, size, 3, path, 2);
+ save(texture, GL_BGR, GL_UNSIGNED_BYTE, 3, path, 2);
}
void
-Texture::saveDepth(const glTexture & texture, const glm::ivec2 & size, const char * path)
+Texture::saveDepth(const glTexture & texture, const char * path)
{
- save(texture, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, size, 1, path, 3);
+ save(texture, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, 1, path, 3);
}
void
-Texture::saveNormal(const glTexture & texture, const glm::ivec2 & size, const char * path)
+Texture::saveNormal(const glTexture & texture, const char * path)
{
- save(texture, GL_BGR, GL_BYTE, size, 3, path, 2);
+ save(texture, GL_BGR, GL_BYTE, 3, path, 2);
}
TextureAtlas::TextureAtlas(GLsizei width, GLsizei height, GLuint count) : Texture(width, height, nullptr, {})
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