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Fixed bug #3070 - SDL_RenderCopyEx rotation and global scaling around the wrong way (software renderer)

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Sylvain 2022-02-15 11:33:56 +01:00
parent e366ad1288
commit 18b76fcc5d
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GPG key ID: 5F87E02E5BC0939E
3 changed files with 39 additions and 19 deletions
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14
src/render/SDL_render.c
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@ -611,12 +611,12 @@ QueueCmdCopy(SDL_Renderer *renderer, SDL_Texture * texture, const SDL_Rect * src
static int
QueueCmdCopyEx(SDL_Renderer *renderer, SDL_Texture * texture,
const SDL_Rect * srcquad, 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)
{
SDL_RenderCommand *cmd = PrepQueueCmdDraw(renderer, SDL_RENDERCMD_COPY_EX, texture);
int retval = -1;
if (cmd != NULL) {
retval = renderer->QueueCopyEx(renderer, cmd, texture, srcquad, dstrect, angle, center, flip);
retval = renderer->QueueCopyEx(renderer, cmd, texture, srcquad, dstrect, angle, center, flip, scale_x, scale_y);
if (retval < 0) {
cmd->command = SDL_RENDERCMD_NO_OP;
}
@ -3734,15 +3734,7 @@ SDL_RenderCopyExF(SDL_Renderer * renderer, SDL_Texture * texture,
renderer->scale.x, renderer->scale.y);
} else {
real_dstrect.x *= renderer->scale.x;
real_dstrect.y *= renderer->scale.y;
real_dstrect.w *= renderer->scale.x;
real_dstrect.h *= renderer->scale.y;
real_center.x *= renderer->scale.x;
real_center.y *= renderer->scale.y;
retval = QueueCmdCopyEx(renderer, texture, &real_srcrect, &real_dstrect, angle, &real_center, flip);
retval = QueueCmdCopyEx(renderer, texture, &real_srcrect, &real_dstrect, angle, &real_center, flip, renderer->scale.x, renderer->scale.y);
}
return retval < 0 ? retval : FlushRenderCommandsIfNotBatching(renderer);
}