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- implemented OpenGL / Vulkan switch in SDL backend

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This commit is contained in:
alexey.lysiuk 2019-03-12 15:47:27 +02:00
parent aa84f7b3e6
commit 7b5eedea32
3 changed files with 23 additions and 22 deletions
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26
src/posix/sdl/sdlglvideo.cpp
View file

@ -72,6 +72,7 @@ EXTERN_CVAR (Int, vid_displaybits)
EXTERN_CVAR (Int, vid_maxfps)
EXTERN_CVAR (Int, vid_defwidth)
EXTERN_CVAR (Int, vid_defheight)
EXTERN_CVAR (Int, vid_backend)
EXTERN_CVAR (Bool, cl_capfps)
// PUBLIC DATA DEFINITIONS -------------------------------------------------
@ -111,7 +112,7 @@ namespace Priv
static const int MIN_HEIGHT = 200;
SDL_Window *window;
bool vulkanSupported;
bool vulkanEnabled;
bool fullscreenSwitch;
void CreateWindow(uint32_t extraFlags)
@ -197,7 +198,7 @@ private:
void I_GetVulkanDrawableSize(int *width, int *height)
{
assert(Priv::vulkanSupported);
assert(Priv::vulkanEnabled);
assert(Priv::window != nullptr);
assert(Priv::Vulkan_GetDrawableSize);
Priv::Vulkan_GetDrawableSize(Priv::window, width, height);
@ -205,17 +206,15 @@ void I_GetVulkanDrawableSize(int *width, int *height)
bool I_GetVulkanPlatformExtensions(unsigned int *count, const char **names)
{
assert(Priv::vulkanSupported);
assert(Priv::vulkanEnabled);
assert(Priv::window != nullptr);
assert(Priv::Vulkan_GetInstanceExtensions);
return Priv::Vulkan_GetInstanceExtensions(Priv::window, count, names) == SDL_TRUE;
}
bool I_CreateVulkanSurface(VkInstance instance, VkSurfaceKHR *surface)
{
assert(Priv::vulkanSupported);
assert(Priv::vulkanEnabled);
assert(Priv::window != nullptr);
assert(Priv::Vulkan_CreateSurface);
return Priv::Vulkan_CreateSurface(Priv::window, instance, surface) == SDL_TRUE;
}
@ -234,15 +233,16 @@ SDLVideo::SDLVideo ()
Priv::library.Load({ "libSDL2.so", "libSDL2-2.0.so" });
}
Priv::vulkanSupported = Priv::Vulkan_GetDrawableSize && Priv::Vulkan_GetInstanceExtensions && Priv::Vulkan_CreateSurface;
Priv::vulkanEnabled = vid_backend == 0
&& Priv::Vulkan_GetDrawableSize && Priv::Vulkan_GetInstanceExtensions && Priv::Vulkan_CreateSurface;
if (Priv::vulkanSupported)
if (Priv::vulkanEnabled)
{
Priv::CreateWindow(Priv::VulkanWindowFlag | SDL_WINDOW_HIDDEN);
if (Priv::window == nullptr)
{
Priv::vulkanSupported = false;
Priv::vulkanEnabled = false;
}
}
}
@ -257,7 +257,7 @@ DFrameBuffer *SDLVideo::CreateFrameBuffer ()
SystemBaseFrameBuffer *fb = nullptr;
// first try Vulkan, if that fails OpenGL
if (Priv::vulkanSupported)
if (Priv::vulkanEnabled)
{
try
{
@ -267,7 +267,7 @@ DFrameBuffer *SDLVideo::CreateFrameBuffer ()
}
catch (CRecoverableError const&)
{
Priv::vulkanSupported = false;
Priv::vulkanEnabled = false;
}
}
@ -302,7 +302,7 @@ int SystemBaseFrameBuffer::GetClientWidth()
{
int width = 0;
assert(Priv::vulkanSupported);
assert(Priv::vulkanEnabled);
Priv::Vulkan_GetDrawableSize(Priv::window, &width, nullptr);
return width;
@ -312,7 +312,7 @@ int SystemBaseFrameBuffer::GetClientHeight()
{
int height = 0;
assert(Priv::vulkanSupported);
assert(Priv::vulkanEnabled);
Priv::Vulkan_GetDrawableSize(Priv::window, nullptr, &height);
return height;

9
src/v_video.cpp
View file

@ -113,6 +113,15 @@ CUSTOM_CVAR(Int, vid_rendermode, 4, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOIN
// No further checks needed. All this changes now is which scene drawer the render backend calls.
}
CUSTOM_CVAR(Int, vid_backend, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
{
// [SP] This may seem pointless - but I don't want to implement live switching just
// yet - I'm pretty sure it's going to require a lot of reinits and destructions to
// do it right without memory leaks
Printf("Changing the video backend requires a restart for " GAMENAME ".\n");
}
CVAR(Int, vid_renderer, 1, 0) // for some stupid mods which threw caution out of the window...

10
src/win32/hardware.cpp
View file

@ -50,15 +50,7 @@
#include "swrenderer/r_swrenderer.h"
EXTERN_CVAR(Int, vid_maxfps)
CUSTOM_CVAR(Int, vid_backend, 0, CVAR_ARCHIVE|CVAR_GLOBALCONFIG|CVAR_NOINITCALL)
{
// [SP] This may seem pointless - but I don't want to implement live switching just
// yet - I'm pretty sure it's going to require a lot of reinits and destructions to
// do it right without memory leaks
Printf("Changing the video backend requires a restart for " GAMENAME ".\n");
}
EXTERN_CVAR(Int, vid_backend)
extern HWND Window;