shithub: cstory

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3DS: Add vsync

Fixes screen-tearing in CSE2EX

...I should really figure out whether to enable vsync on other
platforms or not. I'm not even sure if the original DirectDraw
renderer used vsync - I swear I've never seen tearing in it before.

--- a/src/Backends/Rendering/3DS.cpp

+++ b/src/Backends/Rendering/3DS.cpp

@@ -181,10 +181,10 @@

 void RenderBackend_DrawScreen(void)

 {

+	EndRendering();

+

 	EnableAlpha(false);

-	BeginRendering();

-

 	const float texture_left = 0.0f;

 	const float texture_top = 0.0f;

 	const float texture_right = (float)framebuffer_surface_width / framebuffer_surface->texture.width;

@@ -202,6 +202,8 @@

 	image.tex = &framebuffer_surface->texture;

 	image.subtex = &subtexture;

+	C3D_FrameBegin(C3D_FRAME_SYNCDRAW);

+

 	C2D_TargetClear(screen_render_target, C2D_Color32(0, 0, 0, 0xFF));

 	SelectRenderTarget(screen_render_target);

@@ -208,7 +210,7 @@

 	C2D_DrawImageAt(image, (400 - framebuffer_surface_width) / 2, (240 - framebuffer_surface_height) / 2, 0.0f);

-	EndRendering();

+	C3D_FrameEnd(0);

 }

 RenderBackend_Surface* RenderBackend_CreateSurface(size_t width, size_t height, bool render_target)