renderer: refactor Texture, Framebuffer and Renderbuffer (#13437)

Part 1 of the renderer refactors

1 files changed, 49 insertions, 0 deletions

diff --git a/src/render/gl/GLTexture.hpp b/src/render/gl/GLTexture.hpp
new file mode 100644
index 00000000..34510e90
--- /dev/null
+++ b/src/render/gl/GLTexture.hpp
@@ -0,0 +1,49 @@
+#pragma once
+
+#include "../Texture.hpp"
+#include <aquamarine/buffer/Buffer.hpp>
+#include <hyprutils/math/Misc.hpp>
+
+class CGLTexture : public ITexture {
+  public:
+    using ITexture::ITexture;
+
+    CGLTexture(CGLTexture&)        = delete;
+    CGLTexture(CGLTexture&&)       = delete;
+    CGLTexture(const CGLTexture&&) = delete;
+    CGLTexture(const CGLTexture&)  = delete;
+
+    CGLTexture(bool opaque = false);
+    CGLTexture(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const Vector2D& size, bool keepDataCopy = false, bool opaque = false);
+    CGLTexture(const Aquamarine::SDMABUFAttrs&, void* image, bool opaque = false);
+    CGLTexture(std::span<const float> lut3D, size_t N);
+    ~CGLTexture();
+
+    void allocate(const Vector2D& size, uint32_t drmFormat = 0) override;
+    void update(uint32_t drmFormat, uint8_t* pixels, uint32_t stride, const CRegion& damage) override;
+    void bind() override;
+    void unbind() override;
+    void setTexParameter(GLenum pname, GLint param) override;
+    bool ok() override;
+    bool isDMA() override;
+
+  private:
+    void* m_eglImage = nullptr;
+
+    enum eTextureParam : uint8_t {
+        TEXTURE_PAR_WRAP_S = 0,
+        TEXTURE_PAR_WRAP_T,
+        TEXTURE_PAR_MAG_FILTER,
+        TEXTURE_PAR_MIN_FILTER,
+        TEXTURE_PAR_SWIZZLE_R,
+        TEXTURE_PAR_SWIZZLE_B,
+        TEXTURE_PAR_LAST,
+    };
+
+    GLenum                                             m_target = GL_TEXTURE_2D;
+
+    void                                               swizzle(const std::array<GLint, 4>& colors);
+    constexpr std::optional<size_t>                    getCacheStateIndex(GLenum pname);
+
+    std::array<std::optional<GLint>, TEXTURE_PAR_LAST> m_cachedStates;
+};