duuqnd/cave-story-solaris
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Only use an upscaled framebuffer if we have to

Browse source
This commit is contained in:
Clownacy 2020-09-14 10:36:35 +01:00
parent 53e96486ce
commit 56b96ed432
1 changed files with 20 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
src/Backends/Rendering/SDLTexture.cpp
View file

@ -140,11 +140,14 @@ void RenderBackend_Deinit(void)
void RenderBackend_DrawScreen(void) void RenderBackend_DrawScreen(void)
{ {
if (SDL_SetRenderTarget(renderer, upscaled_framebuffer.texture) < 0) if (upscaled_framebuffer.texture != NULL)
Backend_PrintError("Couldn't set upscaled framebuffer as the current rendering target: %s", SDL_GetError()); {
if (SDL_SetRenderTarget(renderer, upscaled_framebuffer.texture) < 0)
Backend_PrintError("Couldn't set upscaled framebuffer as the current rendering target: %s", SDL_GetError());
if (SDL_RenderCopy(renderer, framebuffer.texture, NULL, NULL) < 0) if (SDL_RenderCopy(renderer, framebuffer.texture, NULL, NULL) < 0)
Backend_PrintError("Failed to copy framebuffer texture to upscaled framebuffer: %s", SDL_GetError()); Backend_PrintError("Failed to copy framebuffer texture to upscaled framebuffer: %s", SDL_GetError());
}
if (SDL_SetRenderTarget(renderer, NULL) < 0) if (SDL_SetRenderTarget(renderer, NULL) < 0)
Backend_PrintError("Couldn't set default render target as the current rendering target: %s", SDL_GetError()); Backend_PrintError("Couldn't set default render target as the current rendering target: %s", SDL_GetError());
@ -154,7 +157,7 @@ void RenderBackend_DrawScreen(void)
SDL_RenderClear(renderer); SDL_RenderClear(renderer);
if (SDL_RenderCopy(renderer, upscaled_framebuffer.texture, NULL, &upscaled_framebuffer_rect) < 0) if (SDL_RenderCopy(renderer, upscaled_framebuffer.texture != NULL ? upscaled_framebuffer.texture : framebuffer.texture, NULL, &upscaled_framebuffer_rect) < 0)
Backend_PrintError("Failed to copy upscaled framebuffer texture to default render target: %s", SDL_GetError()); Backend_PrintError("Failed to copy upscaled framebuffer texture to default render target: %s", SDL_GetError());
SDL_RenderPresent(renderer); SDL_RenderPresent(renderer);
@ -443,16 +446,22 @@ void RenderBackend_HandleWindowResize(size_t width, size_t height)
upscaled_framebuffer.height = framebuffer.height * upscale_factor; upscaled_framebuffer.height = framebuffer.height * upscale_factor;
if (upscaled_framebuffer.texture != NULL) if (upscaled_framebuffer.texture != NULL)
{
SDL_DestroyTexture(upscaled_framebuffer.texture); SDL_DestroyTexture(upscaled_framebuffer.texture);
upscaled_framebuffer.texture = NULL;
}
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); if (upscale_factor != 1)
upscaled_framebuffer.texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_TARGET, upscaled_framebuffer.width, upscaled_framebuffer.height); {
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest"); SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
upscaled_framebuffer.texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_TARGET, upscaled_framebuffer.width, upscaled_framebuffer.height);
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest");
if (upscaled_framebuffer.texture == NULL) if (upscaled_framebuffer.texture == NULL)
Backend_PrintError("Couldn't regenerate upscaled framebuffer"); Backend_PrintError("Couldn't regenerate upscaled framebuffer");
SDL_SetTextureBlendMode(upscaled_framebuffer.texture, SDL_BLENDMODE_NONE); SDL_SetTextureBlendMode(upscaled_framebuffer.texture, SDL_BLENDMODE_NONE);
}
// Create rect that forces 4:3 no matter what size the window is // Create rect that forces 4:3 no matter what size the window is
float window_ratio = (float)width / height; float window_ratio = (float)width / height;