299 lines
8.3 KiB
C
299 lines
8.3 KiB
C
|
#include "config.h"
|
||
|
|
|
||
|
|
#include <gtk/gtk.h>
|
||
|
|
#include <gdk/gdkdisplayprivate.h>
|
||
|
|
#include <gdk/gdkglcontextprivate.h>
|
||
|
|
#include <gdk/gdkdmabuftextureprivate.h>
|
||
|
|
|
||
|
|
#ifdef HAVE_DMABUF
|
||
|
|
#include <drm_fourcc.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static void
|
||
|
|
test_dmabuf_formats (void)
|
||
|
|
{
|
||
|
|
GdkDisplay *display;
|
||
|
|
GdkDmabufFormats *formats;
|
||
|
|
|
||
|
|
display = gdk_display_get_default ();
|
||
|
|
|
||
|
|
formats = gdk_display_get_dmabuf_formats (display);
|
||
|
|
|
||
|
|
#ifdef HAVE_DMABUF
|
||
|
|
/* We always have basic linear formats */
|
||
|
|
g_assert_true (gdk_dmabuf_formats_get_n_formats (formats) >= 6);
|
||
|
|
|
||
|
|
g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_ARGB8888, DRM_FORMAT_MOD_LINEAR));
|
||
|
|
g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_RGBA8888, DRM_FORMAT_MOD_LINEAR));
|
||
|
|
g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_BGRA8888, DRM_FORMAT_MOD_LINEAR));
|
||
|
|
g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_ABGR16161616F, DRM_FORMAT_MOD_LINEAR));
|
||
|
|
g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_RGB888, DRM_FORMAT_MOD_LINEAR));
|
||
|
|
g_assert_true (gdk_dmabuf_formats_contains (formats, DRM_FORMAT_BGR888, DRM_FORMAT_MOD_LINEAR));
|
||
|
|
#else
|
||
|
|
g_assert_true (gdk_dmabuf_formats_get_n_formats (formats) == 0);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static cairo_surface_t *
|
||
|
|
make_surface (int width,
|
||
|
|
int height)
|
||
|
|
{
|
||
|
|
cairo_surface_t *surface;
|
||
|
|
cairo_t *cr;
|
||
|
|
guchar *data;
|
||
|
|
int stride;
|
||
|
|
|
||
|
|
stride = width * 4;
|
||
|
|
data = g_malloc (stride * height);
|
||
|
|
surface = cairo_image_surface_create_for_data (data,
|
||
|
|
CAIRO_FORMAT_ARGB32,
|
||
|
|
width, height, stride);
|
||
|
|
cr = cairo_create (surface);
|
||
|
|
cairo_set_source_rgb (cr, 1, 0, 0);
|
||
|
|
cairo_paint (cr);
|
||
|
|
cairo_destroy (cr);
|
||
|
|
|
||
|
|
return surface;
|
||
|
|
}
|
||
|
|
|
||
|
|
static unsigned int
|
||
|
|
upload_gl_texture (GdkGLContext *context,
|
||
|
|
cairo_surface_t *surface)
|
||
|
|
{
|
||
|
|
unsigned int id;
|
||
|
|
int width, height;
|
||
|
|
|
||
|
|
width = cairo_image_surface_get_width (surface);
|
||
|
|
height = cairo_image_surface_get_height (surface);
|
||
|
|
|
||
|
|
glGenTextures (1, &id);
|
||
|
|
glActiveTexture (GL_TEXTURE0);
|
||
|
|
glBindTexture (GL_TEXTURE_2D, id);
|
||
|
|
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE,
|
||
|
|
cairo_image_surface_get_data (surface));
|
||
|
|
|
||
|
|
g_assert_true (glGetError () == GL_NO_ERROR);
|
||
|
|
|
||
|
|
return id;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
export_dmabuf (GdkGLContext *context,
|
||
|
|
unsigned int texture_id,
|
||
|
|
GdkDmabuf *dmabuf)
|
||
|
|
{
|
||
|
|
gboolean ret;
|
||
|
|
|
||
|
|
ret = gdk_gl_context_export_dmabuf (context, texture_id, dmabuf);
|
||
|
|
|
||
|
|
g_assert_true (ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
free_dmabuf (gpointer data)
|
||
|
|
{
|
||
|
|
GdkDmabuf *dmabuf = data;
|
||
|
|
|
||
|
|
for (int i = 0; i < dmabuf->n_planes; i++)
|
||
|
|
close (dmabuf->planes[i].fd);
|
||
|
|
|
||
|
|
g_free (dmabuf);
|
||
|
|
}
|
||
|
|
|
||
|
|
static GdkTexture *
|
||
|
|
make_dmabuf_texture (GdkDisplay *display,
|
||
|
|
int width,
|
||
|
|
int height,
|
||
|
|
gboolean premultiplied,
|
||
|
|
GdkDmabuf *dmabuf)
|
||
|
|
{
|
||
|
|
GdkDmabufTextureBuilder *builder;
|
||
|
|
GdkTexture *texture;
|
||
|
|
GdkDmabuf *dmabuf2;
|
||
|
|
|
||
|
|
builder = gdk_dmabuf_texture_builder_new ();
|
||
|
|
|
||
|
|
gdk_dmabuf_texture_builder_set_display (builder, display);
|
||
|
|
gdk_dmabuf_texture_builder_set_width (builder, width);
|
||
|
|
gdk_dmabuf_texture_builder_set_premultiplied (builder, premultiplied);
|
||
|
|
gdk_dmabuf_texture_builder_set_height (builder, height);
|
||
|
|
gdk_dmabuf_texture_builder_set_fourcc (builder, dmabuf->fourcc);
|
||
|
|
gdk_dmabuf_texture_builder_set_modifier (builder, dmabuf->modifier);
|
||
|
|
gdk_dmabuf_texture_builder_set_n_planes (builder, dmabuf->n_planes);
|
||
|
|
for (int i = 0; i < dmabuf->n_planes; i++)
|
||
|
|
{
|
||
|
|
gdk_dmabuf_texture_builder_set_fd (builder, i, dmabuf->planes[i].fd);
|
||
|
|
gdk_dmabuf_texture_builder_set_stride (builder, i, dmabuf->planes[i].stride);
|
||
|
|
gdk_dmabuf_texture_builder_set_offset (builder, i, dmabuf->planes[i].offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
dmabuf2 = g_new (GdkDmabuf, 1);
|
||
|
|
memcpy (dmabuf2, dmabuf, sizeof (GdkDmabuf));
|
||
|
|
|
||
|
|
texture = gdk_dmabuf_texture_builder_build (builder, free_dmabuf, dmabuf2, NULL);
|
||
|
|
|
||
|
|
g_assert_true (texture != NULL);
|
||
|
|
|
||
|
|
g_object_unref (builder);
|
||
|
|
|
||
|
|
return texture;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Make a dmabuftexture by exporting a GL texture,
|
||
|
|
* then download it and compare with the original
|
||
|
|
*/
|
||
|
|
static void
|
||
|
|
test_dmabuf_export (void)
|
||
|
|
{
|
||
|
|
GdkDisplay *display;
|
||
|
|
GdkGLContext *context;
|
||
|
|
GError *error = NULL;
|
||
|
|
cairo_surface_t *surface;
|
||
|
|
unsigned int texture_id;
|
||
|
|
GdkDmabuf dmabuf;
|
||
|
|
GdkTexture *texture;
|
||
|
|
guchar *data;
|
||
|
|
|
||
|
|
display = gdk_display_get_default ();
|
||
|
|
if (!gdk_display_prepare_gl (display, &error))
|
||
|
|
{
|
||
|
|
g_test_skip_printf ("no GL support: %s", error->message);
|
||
|
|
g_clear_error (&error);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (gdk_dmabuf_formats_get_n_formats (gdk_display_get_dmabuf_formats (display)) == 0)
|
||
|
|
{
|
||
|
|
g_test_skip_printf ("no dmabuf support");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
context = gdk_display_create_gl_context (display, &error);
|
||
|
|
g_assert_nonnull (context);
|
||
|
|
g_assert_no_error (error);
|
||
|
|
|
||
|
|
gdk_gl_context_realize (context, &error);
|
||
|
|
g_assert_no_error (error);
|
||
|
|
|
||
|
|
surface = make_surface (64, 64);
|
||
|
|
|
||
|
|
gdk_gl_context_make_current (context);
|
||
|
|
|
||
|
|
texture_id = upload_gl_texture (context, surface);
|
||
|
|
export_dmabuf (context, texture_id, &dmabuf);
|
||
|
|
texture = make_dmabuf_texture (display, 64, 64, TRUE, &dmabuf);
|
||
|
|
|
||
|
|
data = g_malloc (64 * 64 * 4);
|
||
|
|
gdk_texture_download (texture, data, 64 * 4);
|
||
|
|
|
||
|
|
g_assert_true (memcmp (cairo_image_surface_get_data (surface), data, 64 * 64 * 4) == 0);
|
||
|
|
|
||
|
|
g_free (data);
|
||
|
|
g_object_unref (texture);
|
||
|
|
cairo_surface_destroy (surface);
|
||
|
|
|
||
|
|
gdk_gl_context_make_current (context);
|
||
|
|
glDeleteTextures (1, &texture_id);
|
||
|
|
|
||
|
|
g_object_unref (context);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Make a dmabuftexture by exporting a GL texture,
|
||
|
|
* then import it into another GL context, download
|
||
|
|
* the resulting texture, and compare it to the original.
|
||
|
|
*/
|
||
|
|
static void
|
||
|
|
test_dmabuf_import (void)
|
||
|
|
{
|
||
|
|
GdkDisplay *display;
|
||
|
|
GdkGLContext *context;
|
||
|
|
GdkGLContext *context2;
|
||
|
|
GError *error = NULL;
|
||
|
|
cairo_surface_t *surface;
|
||
|
|
unsigned int texture_id;
|
||
|
|
unsigned int texture_id2;
|
||
|
|
GdkDmabuf dmabuf;
|
||
|
|
const GdkDmabuf *dmabuf2;
|
||
|
|
GdkTexture *texture;
|
||
|
|
GdkTexture *texture2;
|
||
|
|
GdkGLTextureBuilder *builder;
|
||
|
|
guchar *data;
|
||
|
|
gboolean external;
|
||
|
|
|
||
|
|
display = gdk_display_get_default ();
|
||
|
|
if (!gdk_display_prepare_gl (display, &error))
|
||
|
|
{
|
||
|
|
g_test_skip_printf ("no GL support: %s", error->message);
|
||
|
|
g_clear_error (&error);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (gdk_dmabuf_formats_get_n_formats (gdk_display_get_dmabuf_formats (display)) == 0)
|
||
|
|
{
|
||
|
|
g_test_skip_printf ("no dmabuf support");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
context = gdk_display_create_gl_context (display, &error);
|
||
|
|
g_assert_nonnull (context);
|
||
|
|
g_assert_no_error (error);
|
||
|
|
|
||
|
|
gdk_gl_context_realize (context, &error);
|
||
|
|
g_assert_no_error (error);
|
||
|
|
|
||
|
|
surface = make_surface (64, 64);
|
||
|
|
|
||
|
|
gdk_gl_context_make_current (context);
|
||
|
|
|
||
|
|
texture_id = upload_gl_texture (context, surface);
|
||
|
|
export_dmabuf (context, texture_id, &dmabuf);
|
||
|
|
texture = make_dmabuf_texture (display, 64, 64, TRUE, &dmabuf);
|
||
|
|
|
||
|
|
context2 = gdk_display_create_gl_context (display, &error);
|
||
|
|
g_assert_nonnull (context2);
|
||
|
|
g_assert_no_error (error);
|
||
|
|
|
||
|
|
gdk_gl_context_realize (context2, &error);
|
||
|
|
g_assert_no_error (error);
|
||
|
|
|
||
|
|
dmabuf2 = gdk_dmabuf_texture_get_dmabuf (GDK_DMABUF_TEXTURE (texture));
|
||
|
|
texture_id2 = gdk_gl_context_import_dmabuf (context2, 64, 64, dmabuf2, &external);
|
||
|
|
g_assert_cmpint (texture_id2, !=, 0);
|
||
|
|
g_assert_false (external);
|
||
|
|
|
||
|
|
builder = gdk_gl_texture_builder_new ();
|
||
|
|
gdk_gl_texture_builder_set_context (builder, context2);
|
||
|
|
gdk_gl_texture_builder_set_id (builder, texture_id2);
|
||
|
|
gdk_gl_texture_builder_set_width (builder, 64);
|
||
|
|
gdk_gl_texture_builder_set_height (builder, 64);
|
||
|
|
gdk_gl_texture_builder_set_format (builder, GDK_MEMORY_A8R8G8B8_PREMULTIPLIED);
|
||
|
|
texture2 = gdk_gl_texture_builder_build (builder, NULL, NULL);
|
||
|
|
|
||
|
|
data = g_malloc (64 * 64 * 4);
|
||
|
|
gdk_texture_download (texture2, data, 64 * 4);
|
||
|
|
|
||
|
|
g_assert_true (memcmp (cairo_image_surface_get_data (surface), data, 64 * 64 * 4) == 0);
|
||
|
|
|
||
|
|
g_free (data);
|
||
|
|
g_object_unref (texture);
|
||
|
|
g_object_unref (texture2);
|
||
|
|
|
||
|
|
gdk_gl_context_make_current (context);
|
||
|
|
glDeleteTextures (1, &texture_id);
|
||
|
|
|
||
|
|
g_object_unref (context);
|
||
|
|
g_object_unref (context2);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main (int argc, char *argv[])
|
||
|
|
{
|
||
|
|
gtk_test_init (&argc, &argv, NULL);
|
||
|
|
|
||
|
|
g_test_add_func ("/dmabuf/formats", test_dmabuf_formats);
|
||
|
|
g_test_add_func ("/dmabuf/export", test_dmabuf_export);
|
||
|
|
g_test_add_func ("/dmabuf/import", test_dmabuf_import);
|
||
|
|
|
||
|
|
return g_test_run ();
|
||
|
|
}
|