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Enable software Renderer creating in class Renderer

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This commit is contained in:
Kirigaya Kazuto 2017-06-28 15:27:13 +08:00
parent ad34163fbf
commit 2d0b1b77a8
2 changed files with 61 additions and 34 deletions
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90
SDLWrapper/Renderer.cpp
View File

@ -20,6 +20,40 @@ SDL_Renderer* Renderer::_get() const
return _rnd.get();
}
// private
int Renderer::_createRenderer_Real(Window& wnd,Uint32 flags)
{
SDL_Renderer* pSDLRnd=SDL_CreateRenderer(wnd._get(), -1, flags);
if(pSDLRnd!=nullptr)
{
_set(pSDLRnd);
return 0;
}
else
{
return -1;
}
}
// private
Uint32 Renderer::_rendertype_caster(RendererType Type)
{
switch(Type)
{
case RendererType::Accelerated:
return SDL_RENDERER_ACCELERATED;
case RendererType::PresentSync:
return SDL_RENDERER_PRESENTVSYNC;
case RendererType::Software:
return SDL_RENDERER_SOFTWARE;
case RendererType::TargetTexture:
return SDL_RENDERER_TARGETTEXTURE;
}
/// If an error occurs, return 0 by default.
return 0;
}
Renderer::Renderer(Window& wnd,std::initializer_list<RendererType> RendererFlags) throw (ErrorViewer)
{
if(createRenderer(wnd,RendererFlags)!=0)
@ -28,6 +62,14 @@ Renderer::Renderer(Window& wnd,std::initializer_list<RendererType> RendererFlags
}
}
Renderer::Renderer(Surface& surf) throw (ErrorViewer)
{
if(createSoftRenderer(surf)!=0)
{
throw ErrorViewer();
}
}
int Renderer::createRenderer(Window& wnd,std::initializer_list<RendererType> RendererFlags)
{
Uint32 flag = 0;
@ -38,6 +80,20 @@ int Renderer::createRenderer(Window& wnd,std::initializer_list<RendererType> Ren
return _createRenderer_Real(wnd,flag);
}
int Renderer::createSoftRenderer(Surface& surf)
{
SDL_Renderer* pRnd=SDL_CreateSoftwareRenderer(surf._get());
if(pRnd!=nullptr)
{
_set(pRnd);
return 0;
}
else
{
return -1;
}
}
int Renderer::setColor(const RGBA& pack)
{
return SDL_SetRenderDrawColor(_get(), pack.r, pack.g, pack.b, pack.a);
@ -456,38 +512,4 @@ int Renderer::GetDriversNum()
return SDL_GetNumRenderDrivers();
}
// private
Uint32 Renderer::_rendertype_caster(RendererType Type)
{
switch(Type)
{
case RendererType::Accelerated:
return SDL_RENDERER_ACCELERATED;
case RendererType::PresentSync:
return SDL_RENDERER_PRESENTVSYNC;
case RendererType::Software:
return SDL_RENDERER_SOFTWARE;
case RendererType::TargetTexture:
return SDL_RENDERER_TARGETTEXTURE;
}
/// If an error occurs, return 0 by default.
return 0;
}
// private
int Renderer::_createRenderer_Real(Window& wnd,Uint32 flags)
{
SDL_Renderer* pSDLRnd=SDL_CreateRenderer(wnd._get(), -1, flags);
if(pSDLRnd!=nullptr)
{
_set(pSDLRnd);
return 0;
}
else
{
return -1;
}
}
#include "end_code.h"

5
SDLWrapper/Renderer.h
View File

@ -11,7 +11,10 @@ class Renderer
{
public:
Renderer() = default;
/// Create a Renderer associated with Window
Renderer(Window& wnd,std::initializer_list<RendererType> RendererFlags = { RendererType::Accelerated,RendererType::TargetTexture }) throw (ErrorViewer);
/// Create a software Renderer
Renderer(Surface& surf) throw (ErrorViewer);
~Renderer() = default;
/// If Renderer is current not ready, setRenderer will create Renderer.
@ -31,6 +34,8 @@ public:
int createRenderer(Window& wnd,std::initializer_list<RendererType>);
int createSoftRenderer(Surface& surf);
int setColor(const RGBA& pack);
RGBA getColor() const;
int setBlendMode(BlendMode mode);