图片类

example/src/main.cpp

@@ -9,10 +9,21 @@
 #include "pixel.h"
 #include "misc/mapped_file/mapped_file.h"
 #include "stb_image_loader.h"
+#include "render/render_image.h"
 
 int main(int argc, char* argv[]) {
 	mirage_app::get().init();
 
+	auto file = mapped_file::create();
+	file->map_file(L"Z:/Root/Local/NanakoDisk/涩图/可爱偷猴计划/东风谷早苗/57092520_p1.jpg");
+
+	stb_image_loader image;
+	image.init(file->get_data(), file->get_size());
+	const auto& heap = image.load();
+
+	render_image i;
+	i.create(heap->data, { heap->info.width, heap->info.height }, heap->info.get_pixel_format());
+
 	const auto& window = mwindow::create({ 800, 600 }, L"Hello, World!");
 	window->set_content(
 		std::make_shared<mbutton>()

src/mirage_render/render/render_image.h

@@ -4,16 +4,28 @@
 #include "sokol_gfx.h"
 #include "pixel.h"
 
+/**
+ * @class render_image
+ * @brief 渲染图像类
+ *
+ * 用于静态图片的渲染，提供创建和清除操作。
+ */
 class render_image {
 public:
-	template<typename P>
-	void create(image_accessor<P> in_accessor) {
-
+	~render_image() {
+		clear();
+	}
+	void create(void* in_data, const Eigen::Vector2i& in_size, sg_pixel_format in_pixel_format);
+	void clear() {
+		if (clear_func_) {
+			clear_func_();
+		}
 	}
 
-	void create(void* in_data, const Eigen::Vector2i& in_size, sg_pixel_format in_pixel_format);
-
+	[[nodiscard]] const auto& get_image() const { return image_; }
+	[[nodiscard]] const auto& get_size() const { return size_; }
 private:
+	std::function<void()> clear_func_{};
 	sg_image image_{};
 	Eigen::Vector2i size_{};
 };

src/mirage_render/render/windows/render_image.cpp

@@ -1,5 +1,6 @@
 #include "render/render_image.h"
 #include <dxgi1_6.h>
+#include <iostream>
 
 #include "pixel_format_convert.h"
 #include "windows_render_context.h"
@@ -25,9 +26,44 @@ void render_image::create(void* in_data, const Eigen::Vector2i& in_size, sg_pixe
 	desc.CPUAccessFlags = 0;
 	desc.MiscFlags = 0;
 
+	const auto& format_info = sg_query_pixelformat(in_pixel_format);
+
 	D3D11_SUBRESOURCE_DATA data = {};
-	data.pSysMem = nullptr;
-	data.SysMemPitch = 0;
+	data.pSysMem = in_data;
+	data.SysMemPitch = in_size.x() * format_info.bytes_per_pixel;
 	data.SysMemSlicePitch = 0;
 
+	// 创建纹理
+	ID3D11Texture2D* texture = nullptr;
+	auto hr = windows_render_context->get_device()->CreateTexture2D(&desc, &data, &texture);
+	if (FAILED(hr)) {
+		std::cerr << "Failed to create texture" << std::endl;
+		return;
+	}
+
+	// 创建SRV
+	D3D11_SHADER_RESOURCE_VIEW_DESC srv_desc = {};
+	srv_desc.Format = pixel_format;
+	srv_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
+	srv_desc.Texture2D.MostDetailedMip = 0;
+	srv_desc.Texture2D.MipLevels = 1;
+
+	ID3D11ShaderResourceView* srv = nullptr;
+	hr = windows_render_context->get_device()->CreateShaderResourceView(texture, &srv_desc, &srv);
+	if (FAILED(hr)) {
+		texture->Release();
+		std::cerr << "Failed to create shader resource view" << std::endl;
+		return;
+	}
+
+	clear_func_ = [=] {
+		texture->Release();
+		srv->Release();
+	};
+
+	sg_image_desc sg_desc{};
+	sg_desc.d3d11_texture = texture;
+	sg_desc.d3d11_shader_resource_view = srv;
+
+	image_ = sg_make_image(sg_desc);
 }