[DirectX11] 017 Texture Load

 

 

목차

 

 

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Texture Load

컴퓨터에 저장된 Texture 불러오기

 

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Texture Load 코드

 

Texture.h

#pragma once
#include "Systems/IExecute.h"

class TextureLoadDemo : public IExecute
{
public:
	virtual void Initialize() override;
	virtual void Ready() override {}
	virtual void Destroy() override;
	virtual void Update() override;
	virtual void PreRender() override {}
	virtual void Render() override;
	virtual void PostRender() override {}
	virtual void ResizeScreen() override {}

private:
	void LoadTexture(wstring file);

private:
	Shader* shader;

	VertexTexture vertices[6];
	ID3D11Buffer* vertexBuffer;

	UINT indices[6] = { 0, 1, 2, 2, 1, 3 };
	ID3D11Buffer* indexBuffer;

	Matrix world;
	//ID3D11ShaderResourceView* srv;
	Texture* texture = NULL;
};

 

 

Texture.cpp

#include "stdafx.h"
#include "TextureLoadDemo.h"

void TextureLoadDemo::Initialize()
{
	Context::Get()->GetCamera()->Position(0, 0, -5.0f);

	shader = new Shader(L"16_Texture.fx");
	
	vertices[0].Position = Vector3(-0.5f, -0.5f, 0.0f);
	vertices[1].Position = Vector3(-0.5f, +0.5f, 0.0f);
	vertices[2].Position = Vector3(+0.5f, -0.5f, 0.0f);
	vertices[3].Position = Vector3(+0.5f, +0.5f, 0.0f);

	vertices[0].Uv = Vector2(0, 1);
	vertices[1].Uv = Vector2(0, 0);
	vertices[2].Uv = Vector2(1, 1);
	vertices[3].Uv = Vector2(1, 0);


	//Create Vertex Buffer
	{
		D3D11_BUFFER_DESC desc;
		ZeroMemory(&desc, sizeof(D3D11_BUFFER_DESC));
		desc.ByteWidth = sizeof(VertexTexture) * 4;
		desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;

		D3D11_SUBRESOURCE_DATA subResource = { 0 };
		subResource.pSysMem = vertices;

		Check(D3D::GetDevice()->CreateBuffer(&desc, &subResource, &vertexBuffer));
	}

	//Create Index Buffer
	{
		D3D11_BUFFER_DESC desc;
		ZeroMemory(&desc, sizeof(D3D11_BUFFER_DESC));
		desc.ByteWidth = sizeof(UINT) * 6;
		desc.BindFlags = D3D11_BIND_INDEX_BUFFER;

		D3D11_SUBRESOURCE_DATA subResource = { 0 };
		subResource.pSysMem = indices;

		Check(D3D::GetDevice()->CreateBuffer(&desc, &subResource, &indexBuffer));
	}


	D3DXMatrixIdentity(&world);

	
}

void TextureLoadDemo::Destroy()
{
	SafeDelete(shader);

	SafeRelease(vertexBuffer);
	SafeRelease(indexBuffer);

	//SafeRelease(srv);
	SafeDelete(texture);
}

void TextureLoadDemo::Update()
{
	if (ImGui::Button("Open") == true)
	{
		function<void(wstring)> f = bind(&TextureLoadDemo::LoadTexture, this, placeholders::_1);

		D3DDesc desc = D3D::GetDesc();
		Path::OpenFileDialog(L"", Path::ImageFilter, L"../../_Texture/", f, desc.Handle);
	}
}

void TextureLoadDemo::Render()
{
	shader->AsMatrix("World")->SetMatrix(world);
	shader->AsMatrix("View")->SetMatrix(Context::Get()->View());
	shader->AsMatrix("Projection")->SetMatrix(Context::Get()->Projection());

	if(texture != NULL)
		shader->AsSRV("Map")->SetResource(texture->SRV());


	UINT stride = sizeof(VertexTexture);
	UINT offset = 0;

	D3D::GetDC()->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
	D3D::GetDC()->IASetIndexBuffer(indexBuffer, DXGI_FORMAT_R32_UINT, 0);
	D3D::GetDC()->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

	shader->DrawIndexed(0, 0, 6);
}

void TextureLoadDemo::LoadTexture(wstring file)
{
	//D3DDesc desc = D3D::GetDesc();
	//MessageBox(desc.Handle, file.c_str(), L"", MB_OK);
	SafeDelete(texture);

	texture = new Texture(file);
}

 

void TextureLoadDemo::Update()
{
if (ImGui::Button("Open") == true)
{
function<void(wstring)> f = bind(&TextureLoadDemo::LoadTexture, this, placeholders::_1);

D3DDesc desc = D3D::GetDesc();
Path::OpenFileDialog(L"", Path::ImageFilter, L"../../_Texture/", f, desc.Handle);
}
}

 

if(texture != NULL)
shader->AsSRV("Map")->SetResource(texture->SRV());

 

 

참고사항

D3D.h

struct D3DDesc
{
	wstring AppName;
	HINSTANCE Instance;
	HWND Handle;
	float Width;
	float Height;
	bool bVsync;
	bool bFullScreen;
	D3DXCOLOR Background;
};

 

 

Main.cpp

- 특이사항 없음. 생략

 

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