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PSP: SDL_RenderCopyEx rotation and global scaling around the wrong way (see #bug 3070)

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Sylvain 2022-02-15 11:34:50 +01:00
parent 18b76fcc5d
commit 61abc4e5b6
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GPG Key ID: 5F87E02E5BC0939E
1 changed files with 15 additions and 2 deletions
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17
src/render/psp/SDL_render_psp.c
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@ -881,7 +881,7 @@ PSP_QueueCopy(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * tex
static int
PSP_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip, float scale_x, float scale_y)
{
VertTV *verts = (VertTV *) SDL_AllocateRenderVertices(renderer, 4 * sizeof (VertTV), 4, &cmd->data.draw.first);
const float centerx = center->x;
@ -949,7 +949,20 @@ PSP_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * t
verts->x = x + cw2 + sh1;
verts->y = y - sw2 + ch1;
verts->z = 0;
verts++;
if (scale_x != 1.0f || scale_y != 1.0f) {
verts->x *= scale_x;
verts->y *= scale_y;
verts--;
verts->x *= scale_x;
verts->y *= scale_y;
verts--;
verts->x *= scale_x;
verts->y *= scale_y;
verts--;
verts->x *= scale_x;
verts->y *= scale_y;
}
return 0;
}