blitter: move GL_FRAMEBUFFER_SRGB enable/disable outside of the loop

Signed-off-by: Elie Tournier <tournier.elie@gmail.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>

src/vrend_blitter.c

@@ -725,16 +725,6 @@ void vrend_renderer_blit_gl(MAYBE_UNUSED struct vrend_context *ctx,
    } else
       glDisable(GL_SCISSOR_TEST);
 
-   for (dst_z = 0; dst_z < info->dst.box.depth; dst_z++) {
-      float dst2src_scale = info->src.box.depth / (float)info->dst.box.depth;
-      float dst_offset = ((info->src.box.depth - 1) -
-                          (info->dst.box.depth - 1) * dst2src_scale) * 0.5;
-      float src_z = (dst_z + dst_offset) * dst2src_scale;
-      uint32_t layer = (dst_res->target == GL_TEXTURE_CUBE_MAP) ? info->dst.box.z : dst_z;
-
-      glBindFramebuffer(GL_FRAMEBUFFER, blit_ctx->fb_id);
-      vrend_fb_bind_texture_id(dst_res, blit_views[1], 0, info->dst.level, layer);
-
    if (has_srgb_write_control) {
       if (util_format_is_srgb(info->dst.format) || util_format_is_srgb(info->src.format)) {
          VREND_DEBUG(dbg_blit, ctx, "%s: Enable GL_FRAMEBUFFER_SRGB\n", __func__);
@@ -745,6 +735,16 @@ void vrend_renderer_blit_gl(MAYBE_UNUSED struct vrend_context *ctx,
       }
    }
 
+   for (dst_z = 0; dst_z < info->dst.box.depth; dst_z++) {
+      float dst2src_scale = info->src.box.depth / (float)info->dst.box.depth;
+      float dst_offset = ((info->src.box.depth - 1) -
+                          (info->dst.box.depth - 1) * dst2src_scale) * 0.5;
+      float src_z = (dst_z + dst_offset) * dst2src_scale;
+      uint32_t layer = (dst_res->target == GL_TEXTURE_CUBE_MAP) ? info->dst.box.z : dst_z;
+
+      glBindFramebuffer(GL_FRAMEBUFFER, blit_ctx->fb_id);
+      vrend_fb_bind_texture_id(dst_res, blit_views[1], 0, info->dst.level, layer);
+
       buffers = GL_COLOR_ATTACHMENT0;
       glDrawBuffers(1, &buffers);
       blitter_set_texcoords(blit_ctx, src_res, info->src.level,