SDL: Remove sceGxmFinish from RenderPresent on Vita. Make sure that rendering is finished on render texture during locking

From fba82ad1cb945b8c09d92e90f9dd536b9a70ff36 Mon Sep 17 00:00:00 2001
From: Northfear <[EMAIL REDACTED]>
Date: Sun, 31 Oct 2021 12:38:08 +0200
Subject: [PATCH] Remove sceGxmFinish from RenderPresent on Vita. Make sure
 that rendering is finished on render texture during locking

---
 src/render/vitagxm/SDL_render_vita_gxm.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/render/vitagxm/SDL_render_vita_gxm.c b/src/render/vitagxm/SDL_render_vita_gxm.c
index b214be8ad5..d330937ac5 100644
--- a/src/render/vitagxm/SDL_render_vita_gxm.c
+++ b/src/render/vitagxm/SDL_render_vita_gxm.c
@@ -357,12 +357,19 @@ static int
 VITA_GXM_LockTexture(SDL_Renderer *renderer, SDL_Texture *texture,
     const SDL_Rect *rect, void **pixels, int *pitch)
 {
+    VITA_GXM_RenderData *data = (VITA_GXM_RenderData *) renderer->driverdata;
     VITA_GXM_TextureData *vita_texture = (VITA_GXM_TextureData *) texture->driverdata;
 
     *pixels =
         (void *) ((Uint8 *) gxm_texture_get_datap(vita_texture->tex)
             + (rect->y * vita_texture->pitch) + rect->x * SDL_BYTESPERPIXEL(texture->format));
     *pitch = vita_texture->pitch;
+
+    // make sure that rendering is finished on render target textures
+    if (vita_texture->tex->gxm_rendertarget != NULL) {
+        sceGxmFinish(data->gxm_context);
+    }
+
     return 0;
 }
 
@@ -973,10 +980,6 @@ VITA_GXM_RenderPresent(SDL_Renderer *renderer)
     VITA_GXM_RenderData *data = (VITA_GXM_RenderData *) renderer->driverdata;
     SceCommonDialogUpdateParam updateParam;
 
-    if (data->displayData.wait_vblank) {
-        sceGxmFinish(data->gxm_context);
-    }
-
     data->displayData.address = data->displayBufferData[data->backBufferIndex];
 
     SDL_memset(&updateParam, 0, sizeof(updateParam));