[gtk/wip/chergert/glproto: 74/82] add execute func

[Christian Hergert <chergert src gnome org>]

commit 974cdb3c559606b08f9d8f8320b3608a2b753e97
Author: Christian Hergert <chergert redhat com>
Date:   Sun Dec 20 11:18:41 2020 -0800

    add execute func

 gsk/next/gskglcommandqueue.c        | 12 +++++++++---
 gsk/next/gskglcommandqueueprivate.h |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/gsk/next/gskglcommandqueue.c b/gsk/next/gskglcommandqueue.c
index 4d82f8fccf..53751e0424 100644
--- a/gsk/next/gskglcommandqueue.c
+++ b/gsk/next/gskglcommandqueue.c
@@ -979,7 +979,7 @@ gsk_gl_command_queue_set_uniform_rounded_rect (GskGLCommandQueue    *self,
  *
  * Executes all of the batches in the command queue.
  */
-static void
+void
 gsk_gl_command_queue_execute (GskGLCommandQueue *self)
 {
   GskGLCommandBatch *last_batch;
@@ -999,6 +999,14 @@ gsk_gl_command_queue_execute (GskGLCommandQueue *self)
 
   gsk_gl_command_queue_make_current (self);
 
+  glEnable (GL_DEPTH_TEST);
+  glDepthFunc (GL_LEQUAL);
+
+  /* Pre-multiplied alpha */
+  glEnable (GL_BLEND);
+  glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+  glBlendEquation (GL_FUNC_ADD);
+
   glGenVertexArrays (1, &vao_id);
   glBindVertexArray (vao_id);
 
@@ -1061,8 +1069,6 @@ gsk_gl_command_queue_end_frame (GskGLCommandQueue *self)
 {
   g_return_if_fail (GSK_IS_GL_COMMAND_QUEUE (self));
 
-  gsk_gl_command_queue_execute (self);
-
   while (self->all_batches.length > 0)
     {
       GskGLCommandBatch *batch = self->all_batches.head->data;
diff --git a/gsk/next/gskglcommandqueueprivate.h b/gsk/next/gskglcommandqueueprivate.h
index 38b948f1b9..f4eaf109d4 100644
--- a/gsk/next/gskglcommandqueueprivate.h
+++ b/gsk/next/gskglcommandqueueprivate.h
@@ -34,6 +34,7 @@ GdkGLContext      *gsk_gl_command_queue_get_context              (GskGLCommandQu
 void               gsk_gl_command_queue_make_current             (GskGLCommandQueue        *self);
 void               gsk_gl_command_queue_begin_frame              (GskGLCommandQueue        *self);
 void               gsk_gl_command_queue_end_frame                (GskGLCommandQueue        *self);
+void               gsk_gl_command_queue_execute                  (GskGLCommandQueue        *self);
 GdkTexture        *gsk_gl_command_queue_download                 (GskGLCommandQueue        *self,
                                                                   GError                  **error);
 GdkMemoryTexture  *gsk_gl_command_queue_download_texture         (GskGLCommandQueue        *self,