From 4ba37638979bcc4733f748d796bd324754fb5104 Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Thu, 1 Apr 2021 12:43:39 +0200
Subject: [PATCH] Save and restore SDL renderer state after transforming
triangles to rect
---
src/render/SDL_render.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 53e694cd64..123c3a73dd 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -3427,6 +3427,12 @@ SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
const int debug = 0;
int prev[3]; /* Previous triangle vertex indices */
int texw = 0, texh = 0;
+ SDL_BlendMode blendMode;
+ Uint8 r, g, b, a;
+
+ /* Save */
+ SDL_GetRenderDrawBlendMode(renderer, &blendMode);
+ SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
if (texture) {
SDL_QueryTexture(texture, NULL, NULL, &texw, &texh);
@@ -3646,7 +3652,7 @@ SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
xy, xy_stride, color, color_stride, uv, uv_stride,
num_vertices, prev, 3, 4, renderer->scale.x, renderer->scale.y);
if (retval < 0) {
- return retval;
+ goto end;
} else {
FlushRenderCommandsIfNotBatching(renderer);
}
@@ -3667,12 +3673,17 @@ SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
xy, xy_stride, color, color_stride, uv, uv_stride,
num_vertices, prev, 3, 4, renderer->scale.x, renderer->scale.y);
if (retval < 0) {
- return retval;
+ goto end;
} else {
FlushRenderCommandsIfNotBatching(renderer);
}
}
+end:
+ /* Restore */
+ SDL_SetRenderDrawBlendMode(renderer, blendMode);
+ SDL_SetRenderDrawColor(renderer, r, g, b, a);
+
return retval;
}