Adding upstream version 6.338.2.upstream/6.338.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/src/opengl/common.h b/src/opengl/common.h
new file mode 100644
index 0000000..c84c69f
--- /dev/null
+++ b/src/opengl/common.h
@@ -0,0 +1,66 @@
+/*
+ * This file is part of libplacebo.
+ *
+ * libplacebo is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * libplacebo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with libplacebo. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "../common.h"
+#include "../log.h"
+#include "../gpu.h"
+#include "pl_thread.h"
+
+#include <libplacebo/opengl.h>
+
+// Collision with llvm-mingw <winnt.h>
+#undef MemoryBarrier
+
+#define GLAD_GL
+#define GLAD_GLES2
+#include <glad/gl.h>
+#include <glad/egl.h>
+
+typedef GladGLContext gl_funcs;
+
+// PL_PRIV(pl_opengl)
+struct gl_ctx {
+    pl_log log;
+    struct pl_opengl_params params;
+    bool is_debug;
+    bool is_debug_egl;
+    bool is_gles;
+
+    // For context locking
+    pl_mutex lock;
+    int count;
+
+    // Dispatch table
+    gl_funcs func;
+};
+
+struct gl_cb {
+    void (*callback)(void *priv);
+    void *priv;
+    GLsync sync;
+};
+
+struct fbo_format {
+    pl_fmt fmt;
+    const struct gl_format *glfmt;
+};
+
+// For locking/unlocking
+bool gl_make_current(pl_opengl gl);
+void gl_release_current(pl_opengl gl);