From d4df5d33c5f8bd9da8553fa7263240a1e1cc59cd Mon Sep 17 00:00:00 2001 From: Sylvain Date: Mon, 15 Nov 2021 09:43:44 +0100 Subject: [PATCH] GLES2: prevent batching if blend mode changes (see bug #4964) --- src/render/opengles2/SDL_render_gles2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c index 7a39c7237..df6b9fd4f 100644 --- a/src/render/opengles2/SDL_render_gles2.c +++ b/src/render/opengles2/SDL_render_gles2.c @@ -1144,6 +1144,7 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver /* let's group non joined lines */ SDL_RenderCommand *finalcmd = cmd; SDL_RenderCommand *nextcmd = cmd->next; + SDL_BlendMode thisblend = cmd->data.draw.blend; while (nextcmd != NULL) { const SDL_RenderCommandType nextcmdtype = nextcmd->command; @@ -1151,6 +1152,8 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver break; /* can't go any further on this draw call, different render command up next. */ } else if (nextcmd->data.draw.count != 2) { break; /* can't go any further on this draw call, those are joined lines */ + } else if (nextcmd->data.draw.blend != thisblend) { + break; /* can't go any further on this draw call, different blendmode copy up next. */ } else { finalcmd = nextcmd; /* we can combine copy operations here. Mark this one as the furthest okay command. */ count += cmd->data.draw.count;