Add a few dmabuf texture tests
Test some basic import and export of dmabufs. For now, put the test into the 'failing' suite, since it does not work in CI, and also fails on AMD hw.
This commit is contained in:
Matthias Clasen
295
testsuite/gdk/dmabuftexture.c
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295
testsuite/gdk/dmabuftexture.c
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#include "config.h"
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#include <gtk/gtk.h>
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#include <gdk/gdkdisplayprivate.h>
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#include <gdk/gdkglcontextprivate.h>
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#include <gdk/gdkdmabuftextureprivate.h>
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#ifdef HAVE_DMABUF
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#include <drm/drm_fourcc.h>
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#endif
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static void
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test_dmabuf_formats (void)
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{
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GdkDisplay *display;
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GdkDmabufFormats *formats;
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display = gdk_display_get_default ();
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formats = gdk_display_get_dmabuf_formats (display);
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#ifdef HAVE_DMABUF
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/* We always have basic linear formats */
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g_assert_true (gdk_dmabuf_formats_get_n_formats (formats) >= 6);
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g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_ARGB8888, DRM_FORMAT_MOD_LINEAR));
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g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_RGBA8888, DRM_FORMAT_MOD_LINEAR));
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g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_BGRA8888, DRM_FORMAT_MOD_LINEAR));
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g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_ABGR16161616F, DRM_FORMAT_MOD_LINEAR));
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g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_RGB888, DRM_FORMAT_MOD_LINEAR));
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g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_BGR888, DRM_FORMAT_MOD_LINEAR));
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#else
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g_assert_true (gdk_dmabuf_formats_get_n_formats (formats) == 0);
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#endif
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}
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static cairo_surface_t *
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make_surface (int width,
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int height)
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{
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cairo_surface_t *surface;
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cairo_t *cr;
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guchar *data;
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int stride;
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stride = width * 4;
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data = g_malloc (stride * height);
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surface = cairo_image_surface_create_for_data (data,
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CAIRO_FORMAT_ARGB32,
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width, height, stride);
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cr = cairo_create (surface);
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cairo_set_source_rgb (cr, 1, 0, 0);
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cairo_paint (cr);
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cairo_destroy (cr);
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return surface;
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}
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static unsigned int
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upload_gl_texture (GdkGLContext *context,
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cairo_surface_t *surface)
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{
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unsigned int id;
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int width, height;
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width = cairo_image_surface_get_width (surface);
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height = cairo_image_surface_get_height (surface);
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glGenTextures (1, &id);
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_2D, id);
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glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE,
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cairo_image_surface_get_data (surface));
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g_assert_true (glGetError () == GL_NO_ERROR);
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return id;
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}
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static void
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export_dmabuf (GdkGLContext *context,
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unsigned int texture_id,
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GdkDmabuf *dmabuf)
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{
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gboolean ret;
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ret = gdk_gl_context_export_dmabuf (context, texture_id, dmabuf);
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g_assert_true (ret);
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}
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static void
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free_dmabuf (gpointer data)
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{
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GdkDmabuf *dmabuf = data;
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for (int i = 0; i < dmabuf->n_planes; i++)
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close (dmabuf->planes[i].fd);
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g_free (dmabuf);
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}
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static GdkTexture *
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make_dmabuf_texture (GdkDisplay *display,
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int width,
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int height,
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gboolean premultiplied,
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GdkDmabuf *dmabuf)
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{
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GdkDmabufTextureBuilder *builder;
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GdkTexture *texture;
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GdkDmabuf *dmabuf2;
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builder = gdk_dmabuf_texture_builder_new ();
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gdk_dmabuf_texture_builder_set_display (builder, display);
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gdk_dmabuf_texture_builder_set_width (builder, width);
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gdk_dmabuf_texture_builder_set_premultiplied (builder, premultiplied);
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gdk_dmabuf_texture_builder_set_height (builder, height);
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gdk_dmabuf_texture_builder_set_fourcc (builder, dmabuf->fourcc);
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gdk_dmabuf_texture_builder_set_modifier (builder, dmabuf->modifier);
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gdk_dmabuf_texture_builder_set_n_planes (builder, dmabuf->n_planes);
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for (int i = 0; i < dmabuf->n_planes; i++)
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{
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gdk_dmabuf_texture_builder_set_fd (builder, i, dmabuf->planes[i].fd);
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gdk_dmabuf_texture_builder_set_stride (builder, i, dmabuf->planes[i].stride);
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gdk_dmabuf_texture_builder_set_offset (builder, i, dmabuf->planes[i].offset);
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}
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dmabuf2 = g_new (GdkDmabuf, 1);
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memcpy (dmabuf2, dmabuf, sizeof (GdkDmabuf));
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texture = gdk_dmabuf_texture_builder_build (builder, free_dmabuf, dmabuf2, NULL);
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g_assert_true (texture != NULL);
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g_object_unref (builder);
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return texture;
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}
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/* Make a dmabuftexture by exporting a GL texture,
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* then download it and compare with the original
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*/
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static void
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test_dmabuf_export (void)
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{
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GdkDisplay *display;
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GdkGLContext *context;
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GError *error = NULL;
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cairo_surface_t *surface;
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unsigned int texture_id;
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GdkDmabuf dmabuf;
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GdkTexture *texture;
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guchar *data;
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display = gdk_display_get_default ();
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if (!gdk_display_prepare_gl (display, &error))
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{
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g_test_skip_printf ("no GL support: %s", error->message);
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g_clear_error (&error);
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return;
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}
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if (gdk_dmabuf_formats_get_n_formats (gdk_display_get_dmabuf_formats (display)) == 0)
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{
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g_test_skip_printf ("no dmabuf support");
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return;
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}
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context = gdk_display_create_gl_context (display, &error);
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g_assert_nonnull (context);
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g_assert_no_error (error);
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gdk_gl_context_realize (context, &error);
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g_assert_no_error (error);
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surface = make_surface (64, 64);
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gdk_gl_context_make_current (context);
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texture_id = upload_gl_texture (context, surface);
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export_dmabuf (context, texture_id, &dmabuf);
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texture = make_dmabuf_texture (display, 64, 64, TRUE, &dmabuf);
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data = g_malloc (64 * 64 * 4);
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gdk_texture_download (texture, data, 64 * 4);
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g_assert_true (memcmp (cairo_image_surface_get_data (surface), data, 64 * 64 * 4) == 0);
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g_free (data);
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g_object_unref (texture);
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cairo_surface_destroy (surface);
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gdk_gl_context_make_current (context);
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glDeleteTextures (1, &texture_id);
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g_object_unref (context);
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}
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/* Make a dmabuftexture by exporting a GL texture,
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* then import it into another GL context, download
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* the resulting texture, and compare it to the original.
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*/
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static void
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test_dmabuf_import (void)
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{
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GdkDisplay *display;
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GdkGLContext *context;
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GdkGLContext *context2;
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GError *error = NULL;
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cairo_surface_t *surface;
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unsigned int texture_id;
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unsigned int texture_id2;
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GdkDmabuf dmabuf;
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const GdkDmabuf *dmabuf2;
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GdkTexture *texture;
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GdkTexture *texture2;
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GdkGLTextureBuilder *builder;
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guchar *data;
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display = gdk_display_get_default ();
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if (!gdk_display_prepare_gl (display, &error))
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{
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g_test_skip_printf ("no GL support: %s", error->message);
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g_clear_error (&error);
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return;
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}
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if (gdk_dmabuf_formats_get_n_formats (gdk_display_get_dmabuf_formats (display)) == 0)
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{
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g_test_skip_printf ("no dmabuf support");
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return;
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}
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context = gdk_display_create_gl_context (display, &error);
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g_assert_nonnull (context);
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g_assert_no_error (error);
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gdk_gl_context_realize (context, &error);
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g_assert_no_error (error);
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surface = make_surface (64, 64);
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gdk_gl_context_make_current (context);
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texture_id = upload_gl_texture (context, surface);
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export_dmabuf (context, texture_id, &dmabuf);
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texture = make_dmabuf_texture (display, 64, 64, TRUE, &dmabuf);
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context2 = gdk_display_create_gl_context (display, &error);
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g_assert_nonnull (context2);
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g_assert_no_error (error);
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gdk_gl_context_realize (context2, &error);
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g_assert_no_error (error);
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dmabuf2 = gdk_dmabuf_texture_get_dmabuf (GDK_DMABUF_TEXTURE (texture));
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texture_id2 = gdk_gl_context_import_dmabuf (context2, 64, 64, dmabuf2, GL_TEXTURE_2D);
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builder = gdk_gl_texture_builder_new ();
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gdk_gl_texture_builder_set_context (builder, context2);
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gdk_gl_texture_builder_set_id (builder, texture_id2);
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gdk_gl_texture_builder_set_width (builder, 64);
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gdk_gl_texture_builder_set_height (builder, 64);
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gdk_gl_texture_builder_set_format (builder, GDK_MEMORY_A8R8G8B8_PREMULTIPLIED);
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texture2 = gdk_gl_texture_builder_build (builder, NULL, NULL);
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data = g_malloc (64 * 64 * 4);
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gdk_texture_download (texture2, data, 64 * 4);
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g_assert_true (memcmp (cairo_image_surface_get_data (surface), data, 64 * 64 * 4) == 0);
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g_free (data);
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g_object_unref (texture);
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g_object_unref (texture2);
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gdk_gl_context_make_current (context);
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glDeleteTextures (1, &texture_id);
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g_object_unref (context);
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g_object_unref (context2);
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}
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int
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main (int argc, char *argv[])
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{
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gtk_test_init (&argc, &argv, NULL);
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g_test_add_func ("/dmabuf/formats", test_dmabuf_formats);
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g_test_add_func ("/dmabuf/export", test_dmabuf_export);
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g_test_add_func ("/dmabuf/import", test_dmabuf_import);
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return g_test_run ();
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}
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@@ -52,19 +52,24 @@ foreach t : tests
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endforeach
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internal_tests = [
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'image',
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'texture',
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'gltexture',
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{ 'name': 'image' },
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{ 'name': 'texture' },
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{ 'name': 'gltexture' },
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{ 'name': 'dmabuftexture', 'suites': 'failing' },
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]
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foreach t : internal_tests
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test_exe = executable(t, '@0@.c'.format(t),
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test_name = t.get('name')
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test_exe = executable(test_name,
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sources: '@0@.c'.format(test_name),
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c_args: common_cflags + ['-DGTK_COMPILATION'],
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dependencies: libgtk_static_dep,
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install: false,
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)
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test(t, test_exe,
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suites = ['gdk'] + t.get('suites', [])
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test(test_name, test_exe,
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args: [ '--tap', '-k' ],
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protocol: 'tap',
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env: [
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@@ -72,6 +77,6 @@ foreach t : internal_tests
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'G_TEST_BUILDDIR=@0@'.format(meson.current_build_dir()),
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'DBUS_SESSION_BUS_ADDRESS=',
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],
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suite: 'gdk',
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suite: suites,
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)
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endforeach
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