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Use floating point values for viewport, clip rectangle, and texture sizes

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These are integer values internally, but the API has been changed to make it easier to mix other render code with querying those values.

Fixes https://github.com/libsdl-org/SDL/issues/7519
This commit is contained in:
Sam Lantinga 2024-06-12 09:21:02 -07:00
parent 463984ec20
commit 9fb5a9ccac
29 changed files with 624 additions and 585 deletions
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6
src/render/opengl/SDL_render_gl.c
View file

@ -1453,7 +1453,7 @@ static SDL_Surface *GL_RenderReadPixels(SDL_Renderer *renderer, const SDL_Rect *
SDL_PixelFormatEnum format = renderer->target ? renderer->target->format : SDL_PIXELFORMAT_ARGB8888;
GLint internalFormat;
GLenum targetFormat, type;
int w, h;
float h;
SDL_Surface *surface;
GL_ActivateRenderer(renderer);
@ -1468,12 +1468,12 @@ static SDL_Surface *GL_RenderReadPixels(SDL_Renderer *renderer, const SDL_Rect *
return NULL;
}
SDL_GetCurrentRenderOutputSize(renderer, &w, &h);
SDL_GetCurrentRenderOutputSize(renderer, NULL, &h);
data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
data->glPixelStorei(GL_PACK_ROW_LENGTH, (surface->pitch / SDL_BYTESPERPIXEL(format)));
data->glReadPixels(rect->x, renderer->target ? rect->y : (h - rect->y) - rect->h,
data->glReadPixels(rect->x, renderer->target ? rect->y : ((int)h - rect->y) - rect->h,
rect->w, rect->h, targetFormat, type, surface->pixels);
if (GL_CheckError("glReadPixels()", renderer) < 0) {