LibSoftGPU: Add device method for creating images

Userland/Libraries/LibSoftGPU/Sampler.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/RefPtr.h>
+#include <LibGfx/Vector2.h>
+#include <LibGfx/Vector4.h>
+#include <LibSoftGPU/Image.h>
+
+namespace SoftGPU {
+
+enum class TextureFilter {
+    Nearest,
+    Linear,
+};
+
+enum class MipMapFilter {
+    None,
+    Nearest,
+    Linear,
+};
+
+enum class TextureWrapMode {
+    Repeat,
+    MirroredRepeat,
+    Clamp,
+    ClampToBorder,
+    ClampToEdge,
+};
+
+struct SamplerConfig final {
+    RefPtr<Image> bound_image;
+    MipMapFilter mipmap_filter { MipMapFilter::Nearest };
+    TextureFilter texture_mag_filter { TextureFilter::Linear };
+    TextureFilter texture_min_filter { TextureFilter::Linear };
+    TextureWrapMode texture_wrap_u { TextureWrapMode::Repeat };
+    TextureWrapMode texture_wrap_v { TextureWrapMode::Repeat };
+    TextureWrapMode texture_wrap_w { TextureWrapMode::Repeat };
+    FloatVector4 border_color { 0, 0, 0, 1 };
+};
+
+class Sampler final {
+public:
+    FloatVector4 sample_2d(FloatVector2 const& uv) const;
+
+    void set_config(SamplerConfig const& config) { m_config = config; }
+
+private:
+    SamplerConfig m_config;
+};
+
+}