Magic_Game/core/base/render.cpp

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// Copyright (c) 2016-2018 Easy2D - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "render.h"
#include "time.h"
#include "base.h"
#include "modules.h"
#include "Image.h"
#pragma comment(lib, "d2d1.lib")
#pragma comment(lib, "dwrite.lib")
namespace easy2d
{
namespace devices
{
GraphicsDevice::GraphicsDevice()
: fps_text_format_(nullptr)
, fps_text_layout_(nullptr)
, clear_color_(D2D1::ColorF(D2D1::ColorF::Black))
, initialized(false)
{
ZeroMemory(&d2d, sizeof(D2DResources));
modules::Init();
}
GraphicsDevice::~GraphicsDevice()
{
ClearImageCache();
SafeRelease(fps_text_format_);
SafeRelease(fps_text_layout_);
SafeRelease(d2d.text_renderer);
SafeRelease(d2d.solid_brush);
SafeRelease(d2d.render_target);
SafeRelease(d2d.miter_stroke_style);
SafeRelease(d2d.bevel_stroke_style);
SafeRelease(d2d.round_stroke_style);
SafeRelease(d2d.imaging_factory);
SafeRelease(d2d.write_factory);
SafeRelease(d2d.factory);
modules::Destroy();
}
void GraphicsDevice::Init(HWND hwnd, bool debug)
{
if (initialized)
return;
D2D1_FACTORY_OPTIONS options{ debug ? D2D1_DEBUG_LEVEL_INFORMATION : D2D1_DEBUG_LEVEL_NONE };
ThrowIfFailed(
D2D1CreateFactory(
D2D1_FACTORY_TYPE_SINGLE_THREADED,
__uuidof(ID2D1Factory),
&options,
reinterpret_cast<void**>(&d2d.factory)
)
);
ThrowIfFailed(
CoCreateInstance(
CLSID_WICImagingFactory,
nullptr,
CLSCTX_INPROC_SERVER,
__uuidof(IWICImagingFactory),
reinterpret_cast<void**>(&d2d.imaging_factory)
)
);
ThrowIfFailed(
DWriteCreateFactory(
DWRITE_FACTORY_TYPE_SHARED,
__uuidof(IDWriteFactory),
reinterpret_cast<IUnknown**>(&d2d.write_factory)
)
);
auto stroke_style = D2D1::StrokeStyleProperties(
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_CAP_STYLE_FLAT,
D2D1_LINE_JOIN_MITER,
2.0f,
D2D1_DASH_STYLE_SOLID,
0.0f
);
ThrowIfFailed(
d2d.factory->CreateStrokeStyle(
stroke_style,
nullptr,
0,
&d2d.miter_stroke_style
)
);
stroke_style.lineJoin = D2D1_LINE_JOIN_BEVEL;
ThrowIfFailed(
d2d.factory->CreateStrokeStyle(
stroke_style,
nullptr,
0,
&d2d.bevel_stroke_style
)
);
stroke_style.lineJoin = D2D1_LINE_JOIN_ROUND;
ThrowIfFailed(
d2d.factory->CreateStrokeStyle(
stroke_style,
nullptr,
0,
&d2d.round_stroke_style
)
);
CreateDeviceResources(hwnd);
initialized = true;
}
void GraphicsDevice::BeginDraw(HWND hwnd)
{
CreateDeviceResources(hwnd);
d2d.render_target->BeginDraw();
d2d.render_target->Clear(clear_color_);
}
void GraphicsDevice::EndDraw()
{
HRESULT hr = d2d.render_target->EndDraw();
if (hr == D2DERR_RECREATE_TARGET)
{
// <20><><EFBFBD><EFBFBD> Direct3D <20><EFBFBD><E8B1B8>ִ<EFBFBD>й<EFBFBD><D0B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD>ʱ<EFBFBD>ؽ<EFBFBD><D8BD><EFBFBD>Դ
hr = S_OK;
SafeRelease(fps_text_format_);
SafeRelease(fps_text_layout_);
SafeRelease(d2d.text_renderer);
SafeRelease(d2d.solid_brush);
SafeRelease(d2d.render_target);
}
ThrowIfFailed(hr);
}
void GraphicsDevice::ClearImageCache()
{
if (bitmap_cache_.empty())
return;
for (const auto& bitmap : bitmap_cache_)
{
bitmap.second->Release();
}
bitmap_cache_.clear();
}
HRESULT GraphicsDevice::CreateRectGeometry(
const math::Matrix& matrix,
const Size& size,
ID2D1Geometry** geometry
) const
{
if (!d2d.factory)
return E_UNEXPECTED;
HRESULT hr;
ID2D1RectangleGeometry * rectangle = nullptr;
ID2D1TransformedGeometry * transformed = nullptr;
hr = d2d.factory->CreateRectangleGeometry(
D2D1::RectF(0, 0, size.width, size.height),
&rectangle
);
if (SUCCEEDED(hr))
{
hr = d2d.factory->CreateTransformedGeometry(
rectangle,
matrix,
&transformed
);
}
if (SUCCEEDED(hr))
{
*geometry = transformed;
}
SafeRelease(rectangle);
return hr;
}
HRESULT GraphicsDevice::CreateTextFormat(IDWriteTextFormat ** text_format, const Font & font) const
{
if (!d2d.write_factory)
return E_UNEXPECTED;
return d2d.write_factory->CreateTextFormat(
font.family.c_str(),
nullptr,
DWRITE_FONT_WEIGHT(font.weight),
font.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL,
font.size,
L"",
text_format
);
}
HRESULT GraphicsDevice::CreateTextLayout(IDWriteTextLayout ** text_layout, const String & text, IDWriteTextFormat * text_format, float wrap_width) const
{
if (!d2d.write_factory)
return E_UNEXPECTED;
UINT32 length = static_cast<UINT32>(text.length());
return d2d.write_factory->CreateTextLayout(
text.c_str(),
length,
text_format,
wrap_width,
0,
text_layout
);
}
HRESULT GraphicsDevice::CreateLayer(ID2D1Layer ** layer)
{
if (!d2d.render_target)
return E_UNEXPECTED;
return d2d.render_target->CreateLayer(layer);
}
HRESULT GraphicsDevice::DrawGeometry(
ID2D1Geometry * geometry,
const Color & border_color,
float opacity,
float stroke_width,
StrokeStyle stroke
)
{
if (!d2d.solid_brush ||
!d2d.render_target)
return E_UNEXPECTED;
d2d.solid_brush->SetColor(border_color);
d2d.solid_brush->SetOpacity(opacity);
d2d.render_target->DrawGeometry(
geometry,
d2d.solid_brush,
stroke_width,
GetStrokeStyle(stroke)
);
return S_OK;
}
ID2D1StrokeStyle * GraphicsDevice::GetStrokeStyle(StrokeStyle stroke) const
{
ID2D1StrokeStyle * stroke_style = nullptr;
switch (stroke)
{
case StrokeStyle::Miter:
stroke_style = d2d.miter_stroke_style;
break;
case StrokeStyle::Bevel:
stroke_style = d2d.bevel_stroke_style;
break;
case StrokeStyle::Round:
stroke_style = d2d.round_stroke_style;
break;
}
return stroke_style;
}
HRESULT GraphicsDevice::DrawImage(
spImage const& image,
float opacity,
const Rect & dest_rect,
const Rect & source_rect
)
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.render_target->DrawBitmap(
image->GetBitmap(),
dest_rect,
opacity,
D2D1_BITMAP_INTERPOLATION_MODE_LINEAR,
source_rect
);
return S_OK;
}
HRESULT GraphicsDevice::DrawTextLayout(IDWriteTextLayout * text_layout)
{
if (!d2d.text_renderer)
return E_UNEXPECTED;
return text_layout->Draw(nullptr, d2d.text_renderer, 0, 0);
}
HRESULT GraphicsDevice::PushClip(const math::Matrix & clip_matrix, const Size & clip_size)
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.render_target->SetTransform(clip_matrix);
d2d.render_target->PushAxisAlignedClip(
D2D1::RectF(0, 0, clip_size.width, clip_size.height),
D2D1_ANTIALIAS_MODE_PER_PRIMITIVE
);
return S_OK;
}
HRESULT GraphicsDevice::PopClip()
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.render_target->PopAxisAlignedClip();
return S_OK;
}
HRESULT GraphicsDevice::PushLayer(ID2D1Layer * layer, LayerProperties properties)
{
if (!d2d.render_target ||
!d2d.solid_brush)
return E_UNEXPECTED;
d2d.render_target->PushLayer(
D2D1::LayerParameters(
properties.area,
nullptr,
D2D1_ANTIALIAS_MODE_PER_PRIMITIVE,
D2D1::Matrix3x2F::Identity(),
properties.opacity,
d2d.solid_brush,
D2D1_LAYER_OPTIONS_NONE
),
layer
);
return S_OK;
}
HRESULT GraphicsDevice::PopLayer()
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.render_target->PopLayer();
return S_OK;
}
HRESULT GraphicsDevice::CreateBitmapFromFile(const String & file_path, ID2D1Bitmap ** bitmap)
{
if (d2d.imaging_factory == nullptr ||
d2d.render_target == nullptr)
{
return E_UNEXPECTED;
}
if (bitmap == nullptr)
{
return E_POINTER;
}
size_t hash_code = std::hash<String>{}(file_path);
if (bitmap_cache_.find(hash_code) != bitmap_cache_.end())
{
*bitmap = bitmap_cache_[hash_code];
return S_OK;
}
IWICBitmapDecoder* decoder = nullptr;
IWICBitmapFrameDecode* source = nullptr;
IWICStream* stream = nullptr;
IWICFormatConverter* converter = nullptr;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
HRESULT hr = d2d.imaging_factory->CreateDecoderFromFilename(
file_path.c_str(),
nullptr,
GENERIC_READ,
WICDecodeMetadataCacheOnLoad,
&decoder
);
if (SUCCEEDED(hr))
{
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
hr = decoder->GetFrame(0, &source);
}
if (SUCCEEDED(hr))
{
// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD>
hr = d2d.imaging_factory->CreateFormatConverter(&converter);
}
if (SUCCEEDED(hr))
{
// ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD> 32bppPBGRA
hr = converter->Initialize(
source,
GUID_WICPixelFormat32bppPBGRA,
WICBitmapDitherTypeNone,
nullptr,
0.f,
WICBitmapPaletteTypeMedianCut
);
}
if (SUCCEEDED(hr))
{
// <20><> WIC λͼ<CEBB><CDBC><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> Direct2D λͼ
hr = d2d.render_target->CreateBitmapFromWicBitmap(
converter,
nullptr,
bitmap
);
}
if (SUCCEEDED(hr))
{
bitmap_cache_.insert(std::make_pair(hash_code, *bitmap));
}
// <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
SafeRelease(decoder);
SafeRelease(source);
SafeRelease(stream);
SafeRelease(converter);
return hr;
}
HRESULT GraphicsDevice::CreateBitmapFromResource(Resource & res, ID2D1Bitmap ** bitmap)
{
if (d2d.imaging_factory == nullptr ||
d2d.render_target == nullptr)
{
return E_UNEXPECTED;
}
if (bitmap == nullptr)
{
return E_POINTER;
}
size_t hash_code = res.GetHashCode();
if (bitmap_cache_.find(hash_code) != bitmap_cache_.end())
{
*bitmap = bitmap_cache_[hash_code];
return S_OK;
}
HRESULT hr;
HINSTANCE hinstance = GetModuleHandle(nullptr);
IWICBitmapDecoder* decoder = nullptr;
IWICBitmapFrameDecode* source = nullptr;
IWICStream* stream = nullptr;
IWICFormatConverter* converter = nullptr;
ResourceData buffer;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
hr = res.Load(&buffer) ? S_OK : E_FAIL;
if (SUCCEEDED(hr))
{
// <20><><EFBFBD><EFBFBD> WIC <20><>
hr = d2d.imaging_factory->CreateStream(&stream);
}
if (SUCCEEDED(hr))
{
// <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
hr = stream->InitializeFromMemory(
static_cast<WICInProcPointer>(buffer.buffer),
buffer.buffer_size
);
}
if (SUCCEEDED(hr))
{
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD>
hr = d2d.imaging_factory->CreateDecoderFromStream(
stream,
nullptr,
WICDecodeMetadataCacheOnLoad,
&decoder
);
}
if (SUCCEEDED(hr))
{
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
hr = decoder->GetFrame(0, &source);
}
if (SUCCEEDED(hr))
{
// <20><><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD>
hr = d2d.imaging_factory->CreateFormatConverter(&converter);
}
if (SUCCEEDED(hr))
{
// ͼƬ<CDBC><C6AC>ʽת<CABD><D7AA><EFBFBD><EFBFBD> 32bppPBGRA
hr = converter->Initialize(
source,
GUID_WICPixelFormat32bppPBGRA,
WICBitmapDitherTypeNone,
nullptr,
0.f,
WICBitmapPaletteTypeMedianCut
);
}
if (SUCCEEDED(hr))
{
// <20><> WIC λͼ<CEBB><CDBC><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> Direct2D λͼ
hr = d2d.render_target->CreateBitmapFromWicBitmap(
converter,
nullptr,
bitmap
);
}
if (SUCCEEDED(hr))
{
bitmap_cache_.insert(std::make_pair(hash_code, *bitmap));
}
// <20>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
SafeRelease(decoder);
SafeRelease(source);
SafeRelease(stream);
SafeRelease(converter);
return hr;
}
HRESULT GraphicsDevice::Resize(UINT32 width, UINT32 height)
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.render_target->Resize(D2D1::SizeU(width, height));
return S_OK;
}
HRESULT GraphicsDevice::SetTransform(const math::Matrix & matrix)
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.render_target->SetTransform(matrix);
return S_OK;
}
HRESULT GraphicsDevice::SetBrushOpacity(float opacity)
{
if (!d2d.render_target)
return E_UNEXPECTED;
d2d.solid_brush->SetOpacity(opacity);
return S_OK;
}
HRESULT GraphicsDevice::SetTextStyle(
const Color & color,
bool has_outline,
const Color & outline_color,
float outline_width,
StrokeStyle outline_stroke
)
{
if (!d2d.text_renderer)
return E_UNEXPECTED;
d2d.text_renderer->SetTextStyle(
color,
has_outline,
outline_color,
outline_width,
static_cast<D2D1_LINE_JOIN>(outline_stroke)
);
return S_OK;
}
void GraphicsDevice::SetBackgroundColor(const Color& color)
{
clear_color_ = color;
}
void GraphicsDevice::DrawDebugInfo()
{
static int render_times_ = 0;
static auto last_render_time_ = time::Now();
int64_t duration = (time::Now() - last_render_time_).Milliseconds();
if (!fps_text_format_)
{
ThrowIfFailed(
d2d.write_factory->CreateTextFormat(
L"",
nullptr,
DWRITE_FONT_WEIGHT_NORMAL,
DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL,
20,
L"",
&fps_text_format_
)
);
ThrowIfFailed(
fps_text_format_->SetWordWrapping(
DWRITE_WORD_WRAPPING_NO_WRAP
)
);
}
++render_times_;
if (duration >= 100LL)
{
wchar_t fps_text[12] = {};
int len = swprintf_s(fps_text, L"FPS: %.1f", 1000.f / static_cast<float>(duration) * render_times_);
last_render_time_ = time::Now();
render_times_ = 0;
SafeRelease(fps_text_layout_);
ThrowIfFailed(
d2d.write_factory->CreateTextLayout(
fps_text,
static_cast<UINT32>(len),
fps_text_format_,
0,
0,
&fps_text_layout_
)
);
}
if (fps_text_layout_)
{
d2d.render_target->SetTransform(D2D1::Matrix3x2F::Identity());
d2d.solid_brush->SetOpacity(1.0f);
d2d.text_renderer->SetTextStyle(
D2D1::ColorF(D2D1::ColorF::White),
TRUE,
D2D1::ColorF(D2D1::ColorF::Black, 0.4f),
1.5f,
D2D1_LINE_JOIN_ROUND
);
fps_text_layout_->Draw(nullptr, d2d.text_renderer, 10, 0);
}
}
void GraphicsDevice::CreateDeviceResources(HWND hwnd)
{
if (!d2d.render_target)
{
RECT rc;
::GetClientRect(hwnd, &rc);
D2D1_SIZE_U size = D2D1::SizeU(
rc.right - rc.left,
rc.bottom - rc.top
);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>Щ<EFBFBD><D0A9>ԴӦ<D4B4><D3A6> Direct2D <20><EFBFBD><E8B1B8>ʧʱ<CAA7>ؽ<EFBFBD>
// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> Direct2D <20><>ȾĿ<C8BE><C4BF>
ThrowIfFailed(
d2d.factory->CreateHwndRenderTarget(
D2D1::RenderTargetProperties(),
D2D1::HwndRenderTargetProperties(
hwnd,
size,
D2D1_PRESENT_OPTIONS_NONE),
&d2d.render_target
)
);
}
if (!d2d.solid_brush)
{
ThrowIfFailed(
d2d.render_target->CreateSolidColorBrush(
D2D1::ColorF(D2D1::ColorF::White),
&d2d.solid_brush
)
);
}
if (!d2d.text_renderer)
{
ThrowIfFailed(
ITextRenderer::Create(
&d2d.text_renderer,
d2d.factory,
d2d.render_target,
d2d.solid_brush
)
);
}
}
}
}