libweston: move gl-renderer into a subdir

GL-renderer is expected to grow more files, both by addition and by splitting.
Moving them into a new subdirectory helps people to understand which files are
relevant.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

libweston/renderer-gl/gl-renderer.h

@@ -0,0 +1,125 @@
+/*
+ * Copyright © 2012 John Kåre Alsaker
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdint.h>
+
+#include <libweston/libweston.h>
+
+#ifdef ENABLE_EGL
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#else
+
+typedef int EGLint;
+typedef int EGLenum;
+typedef void *EGLDisplay;
+typedef void *EGLSurface;
+typedef void *EGLConfig;
+typedef intptr_t EGLNativeDisplayType;
+typedef intptr_t EGLNativeWindowType;
+#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0)
+
+#endif /* ENABLE_EGL */
+
+#define NO_EGL_PLATFORM 0
+
+enum gl_renderer_border_side {
+	GL_RENDERER_BORDER_TOP = 0,
+	GL_RENDERER_BORDER_LEFT = 1,
+	GL_RENDERER_BORDER_RIGHT = 2,
+	GL_RENDERER_BORDER_BOTTOM = 3,
+};
+
+struct gl_renderer_interface {
+	const EGLint *opaque_attribs;
+	const EGLint *alpha_attribs;
+
+	int (*display_create)(struct weston_compositor *ec,
+			      EGLenum platform,
+			      void *native_window,
+			      const EGLint *platform_attribs,
+			      const EGLint *config_attribs,
+			      const EGLint *visual_id,
+			      const int n_ids);
+
+	EGLDisplay (*display)(struct weston_compositor *ec);
+
+	int (*output_window_create)(struct weston_output *output,
+				    EGLNativeWindowType window_for_legacy,
+				    void *window_for_platform,
+				    const EGLint *config_attribs,
+				    const EGLint *visual_id,
+				    const int n_ids);
+
+	void (*output_destroy)(struct weston_output *output);
+
+	EGLSurface (*output_surface)(struct weston_output *output);
+
+	/* Sets the output border.
+	 *
+	 * The side specifies the side for which we are setting the border.
+	 * The width and height are the width and height of the border.
+	 * The tex_width patemeter specifies the width of the actual
+	 * texture; this may be larger than width if the data is not
+	 * tightly packed.
+	 *
+	 * The top and bottom textures will extend over the sides to the
+	 * full width of the bordered window.  The right and left edges,
+	 * however, will extend only to the top and bottom of the
+	 * compositor surface.  This is demonstrated by the picture below:
+	 *
+	 * +-----------------------+
+	 * |          TOP          |
+	 * +-+-------------------+-+
+	 * | |                   | |
+	 * |L|                   |R|
+	 * |E|                   |I|
+	 * |F|                   |G|
+	 * |T|                   |H|
+	 * | |                   |T|
+	 * | |                   | |
+	 * +-+-------------------+-+
+	 * |        BOTTOM         |
+	 * +-----------------------+
+	 */
+	void (*output_set_border)(struct weston_output *output,
+				  enum gl_renderer_border_side side,
+				  int32_t width, int32_t height,
+				  int32_t tex_width, unsigned char *data);
+
+	/* Create fence sync FD to wait for GPU rendering.
+	 *
+	 * Return FD on success, -1 on failure or unsupported
+	 * EGL_ANDROID_native_fence_sync extension.
+	 */
+	int (*create_fence_fd)(struct weston_output *output);
+
+	void (*print_egl_error_state)(void);
+};
+

libweston/renderer-gl/meson.build

@@ -0,0 +1,37 @@
+if not get_option('renderer-gl')
+	subdir_done()
+endif
+
+config_h.set('ENABLE_EGL', '1')
+
+srcs_renderer_gl = [
+	'gl-renderer.c',
+	linux_dmabuf_unstable_v1_protocol_c,
+	linux_dmabuf_unstable_v1_server_protocol_h,
+]
+
+deps_renderer_gl = [
+	dep_pixman,
+	dep_libweston,
+	dep_libdrm_headers,
+	dep_vertex_clipping
+]
+
+foreach name : [ 'egl', 'glesv2' ]
+	d = dependency(name, required: false)
+	if not d.found()
+		error('gl-renderer requires @0@ which was not found. Or, you can use \'-Drenderer-gl=false\'.'.format(name))
+	endif
+	deps_renderer_gl += d
+endforeach
+
+plugin_gl = shared_library(
+	'gl-renderer',
+	srcs_renderer_gl,
+	include_directories: include_directories('../..', '../../shared'),
+	dependencies: deps_renderer_gl,
+	name_prefix: '',
+	install: true,
+	install_dir: dir_module_libweston
+)
+env_modmap += 'gl-renderer.so=@0@;'.format(plugin_gl.full_path())