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render: Remove SDL_GetRenderDriverInfo and change SDL_CreateRenderer.

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Fixes #6625.
This commit is contained in:
Ryan C. Gordon
2022-12-13 23:26:49 -05:00
parent 1230a8fde8
commit 5a2d0b69c8
30 changed files with 116 additions and 121 deletions
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15
docs/README-migration.md
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@@ -317,3 +317,18 @@ The following hints have been removed:
The gesture API has been removed. There is no replacement planned.
## SDL_render.h
SDL_GetRenderDriverInfo() has been removed, since most of the information it reported were
estimates and could not be accurate before creating a renderer. Often times this function
was used to figure out the index of a driver, so one would call it in a for-loop, looking
for the driver named "opengl" or whatnot. SDL_GetRenderDriver() has been added for this
functionality, which returns only the name of the driver.
Additionally, SDL_CreateRenderer()'s second argument is no longer an integer index, but a
`const char *` representing a renderer's name; if you were just using a for-loop to find
which index is the "opengl" or whatnot driver, you can just pass that string directly
here, now. Passing NULL is the same as passing -1 here in SDL2, to signify you want SDL
to decide for you.

2
docs/README-visualc.md
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@@ -89,7 +89,7 @@ Here's a sample SDL snippet to verify everything is setup in your IDE:
SDL_Init(SDL_INIT_VIDEO);
window = SDL_CreateWindow("Hello SDL", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIDTH, HEIGHT, SDL_WINDOW_SHOWN);
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
renderer = SDL_CreateRenderer(window, NULL, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);