#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
+#ifdef HAVE_DRM_PLATFORM
#include <xf86drm.h>
+#include <drm_fourcc.h>
+#endif
#include <GL/gl.h>
#include <GL/internal/dri_interface.h>
#include <sys/types.h>
#include "egl_dri2.h"
+#ifdef HAVE_WAYLAND_PLATFORM
+#include "wayland-drm.h"
+#endif
+
const __DRIuseInvalidateExtension use_invalidate = {
{ __DRI_USE_INVALIDATE, 1 }
};
0, /* __DRI_ATTRIB_TRANSPARENT_GREEN_VALUE */
0, /* __DRI_ATTRIB_TRANSPARENT_BLUE_VALUE */
0, /* __DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE */
- 0, /* __DRI_ATTRIB_FLOAT_MODE */
+ 0, /* __DRI_ATTRIB_FLOAT_MODE (deprecated) */
0, /* __DRI_ATTRIB_RED_MASK */
0, /* __DRI_ATTRIB_GREEN_MASK */
0, /* __DRI_ATTRIB_BLUE_MASK */
struct dri2_egl_config *
dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
- int depth, EGLint surface_type, const EGLint *attr_list,
+ EGLint surface_type, const EGLint *attr_list,
const unsigned int *rgba_masks)
{
struct dri2_egl_config *conf;
else if (value & __DRI_ATTRIB_LUMINANCE_BIT)
value = EGL_LUMINANCE_BUFFER;
else
- /* not valid */;
+ return NULL;
_eglSetConfigKey(&base, EGL_COLOR_BUFFER_TYPE, value);
break;
for (i = 0; attr_list[i] != EGL_NONE; i += 2)
_eglSetConfigKey(&base, attr_list[i], attr_list[i+1]);
- /* Allow a 24-bit RGB visual to match a 32-bit RGBA EGLConfig. Otherwise
- * it will only match a 32-bit RGBA visual. On a composited window manager
- * on X11, this will make all of the EGLConfigs with destination alpha get
- * blended by the compositor. This is probably not what the application
- * wants... especially on drivers that only have 32-bit RGBA EGLConfigs!
- */
- if (depth > 0 && depth != base.BufferSize
- && !(depth == 24 && base.BufferSize == 32))
- return NULL;
-
if (rgba_masks && memcmp(rgba_masks, dri_masks, sizeof(dri_masks)))
return NULL;
base.RenderableType = disp->ClientAPIs;
base.Conformant = disp->ClientAPIs;
+ base.MinSwapInterval = dri2_dpy->min_swap_interval;
+ base.MaxSwapInterval = dri2_dpy->max_swap_interval;
+
if (!_eglValidateConfig(&base, EGL_FALSE)) {
_eglLog(_EGL_DEBUG, "DRI2: failed to validate config %d", id);
return NULL;
if (double_buffer) {
surface_type &= ~EGL_PIXMAP_BIT;
-
- conf->base.MinSwapInterval = dri2_dpy->min_swap_interval;
- conf->base.MaxSwapInterval = dri2_dpy->max_swap_interval;
}
conf->base.SurfaceType |= surface_type;
dri2_open_driver(_EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy = disp->DriverData;
- const __DRIextension **extensions;
+ const __DRIextension **extensions = NULL;
char path[PATH_MAX], *search_paths, *p, *next, *end;
+ char *get_extensions_name;
+ const __DRIextension **(*get_extensions)(void);
search_paths = NULL;
if (geteuid() == getuid()) {
if (dri2_dpy->driver == NULL)
_eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
}
+ /* not need continue to loop all paths once the driver is found */
+ if (dri2_dpy->driver != NULL)
+ break;
}
if (dri2_dpy->driver == NULL) {
}
_eglLog(_EGL_DEBUG, "DRI2: dlopen(%s)", path);
- extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
+
+ if (asprintf(&get_extensions_name, "%s_%s",
+ __DRI_DRIVER_GET_EXTENSIONS, dri2_dpy->driver_name) != -1) {
+ get_extensions = dlsym(dri2_dpy->driver, get_extensions_name);
+ if (get_extensions) {
+ extensions = get_extensions();
+ } else {
+ _eglLog(_EGL_DEBUG, "driver does not expose %s(): %s\n",
+ get_extensions_name, dlerror());
+ }
+ free(get_extensions_name);
+ }
+
+ if (!extensions)
+ extensions = dlsym(dri2_dpy->driver, __DRI_DRIVER_EXTENSIONS);
if (extensions == NULL) {
_eglLog(_EGL_WARNING,
"DRI2: driver exports no extensions (%s)", dlerror());
dlclose(dri2_dpy->driver);
return EGL_FALSE;
}
+ dri2_dpy->driver_extensions = extensions;
return EGL_TRUE;
}
dlclose(dri2_dpy->driver);
return EGL_FALSE;
}
+ dri2_dpy->driver_extensions = extensions;
return EGL_TRUE;
}
assert(dri2_dpy->dri2 || dri2_dpy->swrast);
disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
+ disp->Extensions.MESA_configless_context = EGL_TRUE;
if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
disp->Extensions.KHR_create_context = EGL_TRUE;
disp->Extensions.KHR_gl_texture_2D_image = EGL_TRUE;
disp->Extensions.KHR_gl_texture_cubemap_image = EGL_TRUE;
}
+#ifdef HAVE_DRM_PLATFORM
+ if (dri2_dpy->image->base.version >= 8 &&
+ dri2_dpy->image->createImageFromDmaBufs) {
+ disp->Extensions.EXT_image_dma_buf_import = EGL_TRUE;
+ }
+#endif
}
}
dri2_dpy = disp->DriverData;
if (dri2_dpy->dri2) {
- dri2_dpy->dri_screen =
- dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd, dri2_dpy->extensions,
- &dri2_dpy->driver_configs, disp);
+ if (dri2_dpy->dri2->base.version >= 4) {
+ dri2_dpy->dri_screen =
+ dri2_dpy->dri2->createNewScreen2(0, dri2_dpy->fd,
+ dri2_dpy->extensions,
+ dri2_dpy->driver_extensions,
+ &dri2_dpy->driver_configs, disp);
+ } else {
+ dri2_dpy->dri_screen =
+ dri2_dpy->dri2->createNewScreen(0, dri2_dpy->fd,
+ dri2_dpy->extensions,
+ &dri2_dpy->driver_configs, disp);
+ }
} else {
assert(dri2_dpy->swrast);
- dri2_dpy->dri_screen =
- dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
- &dri2_dpy->driver_configs, disp);
+ if (dri2_dpy->swrast->base.version >= 4) {
+ dri2_dpy->dri_screen =
+ dri2_dpy->swrast->createNewScreen2(0, dri2_dpy->extensions,
+ dri2_dpy->driver_extensions,
+ &dri2_dpy->driver_configs, disp);
+ } else {
+ dri2_dpy->dri_screen =
+ dri2_dpy->swrast->createNewScreen(0, dri2_dpy->extensions,
+ &dri2_dpy->driver_configs, disp);
+ }
}
if (dri2_dpy->dri_screen == NULL) {
return dri2_create_image(disp, dri_image);
}
+#ifdef HAVE_DRM_PLATFORM
static _EGLImage *
dri2_create_image_mesa_drm_buffer(_EGLDisplay *disp, _EGLContext *ctx,
EGLClientBuffer buffer, const EGLint *attr_list)
return dri2_create_image(disp, dri_image);
}
+#endif
#ifdef HAVE_WAYLAND_PLATFORM
EGLClientBuffer _buffer,
const EGLint *attr_list)
{
- struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) _buffer;
+ struct wl_drm_buffer *buffer;
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
const struct wl_drm_components_descriptor *f;
__DRIimage *dri_image;
EGLint err;
int32_t plane;
- if (!wayland_buffer_is_drm(&buffer->buffer))
+ buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm,
+ (struct wl_resource *) _buffer);
+ if (!buffer)
return NULL;
err = _eglParseImageAttribList(&attrs, disp, attr_list);
return &dri2_img->base;
}
+#ifdef HAVE_DRM_PLATFORM
+static EGLBoolean
+dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
+{
+ unsigned i;
+
+ /**
+ * The spec says:
+ *
+ * "Required attributes and their values are as follows:
+ *
+ * * EGL_WIDTH & EGL_HEIGHT: The logical dimensions of the buffer in pixels
+ *
+ * * EGL_LINUX_DRM_FOURCC_EXT: The pixel format of the buffer, as specified
+ * by drm_fourcc.h and used as the pixel_format parameter of the
+ * drm_mode_fb_cmd2 ioctl."
+ *
+ * and
+ *
+ * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
+ * incomplete, EGL_BAD_PARAMETER is generated."
+ */
+ if (attrs->Width <= 0 || attrs->Height <= 0 ||
+ !attrs->DMABufFourCC.IsPresent) {
+ _eglError(EGL_BAD_PARAMETER, "attribute(s) missing");
+ return EGL_FALSE;
+ }
+
+ /**
+ * Also:
+ *
+ * "If <target> is EGL_LINUX_DMA_BUF_EXT and one or more of the values
+ * specified for a plane's pitch or offset isn't supported by EGL,
+ * EGL_BAD_ACCESS is generated."
+ */
+ for (i = 0; i < ARRAY_SIZE(attrs->DMABufPlanePitches); ++i) {
+ if (attrs->DMABufPlanePitches[i].IsPresent &&
+ attrs->DMABufPlanePitches[i].Value <= 0) {
+ _eglError(EGL_BAD_ACCESS, "invalid pitch");
+ return EGL_FALSE;
+ }
+ }
+
+ return EGL_TRUE;
+}
+
+/* Returns the total number of file descriptors. Zero indicates an error. */
+static unsigned
+dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
+{
+ unsigned i, plane_n;
+
+ switch (attrs->DMABufFourCC.Value) {
+ case DRM_FORMAT_RGB332:
+ case DRM_FORMAT_BGR233:
+ case DRM_FORMAT_XRGB4444:
+ case DRM_FORMAT_XBGR4444:
+ case DRM_FORMAT_RGBX4444:
+ case DRM_FORMAT_BGRX4444:
+ case DRM_FORMAT_ARGB4444:
+ case DRM_FORMAT_ABGR4444:
+ case DRM_FORMAT_RGBA4444:
+ case DRM_FORMAT_BGRA4444:
+ case DRM_FORMAT_XRGB1555:
+ case DRM_FORMAT_XBGR1555:
+ case DRM_FORMAT_RGBX5551:
+ case DRM_FORMAT_BGRX5551:
+ case DRM_FORMAT_ARGB1555:
+ case DRM_FORMAT_ABGR1555:
+ case DRM_FORMAT_RGBA5551:
+ case DRM_FORMAT_BGRA5551:
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_BGR565:
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_BGR888:
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_RGBX8888:
+ case DRM_FORMAT_BGRX8888:
+ case DRM_FORMAT_ARGB8888:
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_RGBA8888:
+ case DRM_FORMAT_BGRA8888:
+ case DRM_FORMAT_XRGB2101010:
+ case DRM_FORMAT_XBGR2101010:
+ case DRM_FORMAT_RGBX1010102:
+ case DRM_FORMAT_BGRX1010102:
+ case DRM_FORMAT_ARGB2101010:
+ case DRM_FORMAT_ABGR2101010:
+ case DRM_FORMAT_RGBA1010102:
+ case DRM_FORMAT_BGRA1010102:
+ case DRM_FORMAT_YUYV:
+ case DRM_FORMAT_YVYU:
+ case DRM_FORMAT_UYVY:
+ case DRM_FORMAT_VYUY:
+ plane_n = 1;
+ break;
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ case DRM_FORMAT_NV16:
+ case DRM_FORMAT_NV61:
+ plane_n = 2;
+ break;
+ case DRM_FORMAT_YUV410:
+ case DRM_FORMAT_YVU410:
+ case DRM_FORMAT_YUV411:
+ case DRM_FORMAT_YVU411:
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YVU420:
+ case DRM_FORMAT_YUV422:
+ case DRM_FORMAT_YVU422:
+ case DRM_FORMAT_YUV444:
+ case DRM_FORMAT_YVU444:
+ plane_n = 3;
+ break;
+ default:
+ _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
+ return 0;
+ }
+
+ /**
+ * The spec says:
+ *
+ * "* If <target> is EGL_LINUX_DMA_BUF_EXT, and the list of attributes is
+ * incomplete, EGL_BAD_PARAMETER is generated."
+ */
+ for (i = 0; i < plane_n; ++i) {
+ if (!attrs->DMABufPlaneFds[i].IsPresent ||
+ !attrs->DMABufPlaneOffsets[i].IsPresent ||
+ !attrs->DMABufPlanePitches[i].IsPresent) {
+ _eglError(EGL_BAD_PARAMETER, "plane attribute(s) missing");
+ return 0;
+ }
+ }
+
+ /**
+ * The spec also says:
+ *
+ * "If <target> is EGL_LINUX_DMA_BUF_EXT, and the EGL_LINUX_DRM_FOURCC_EXT
+ * attribute indicates a single-plane format, EGL_BAD_ATTRIBUTE is
+ * generated if any of the EGL_DMA_BUF_PLANE1_* or EGL_DMA_BUF_PLANE2_*
+ * attributes are specified."
+ */
+ for (i = plane_n; i < 3; ++i) {
+ if (attrs->DMABufPlaneFds[i].IsPresent ||
+ attrs->DMABufPlaneOffsets[i].IsPresent ||
+ attrs->DMABufPlanePitches[i].IsPresent) {
+ _eglError(EGL_BAD_ATTRIBUTE, "too many plane attributes");
+ return 0;
+ }
+ }
+
+ return plane_n;
+}
+
+/**
+ * The spec says:
+ *
+ * "If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT target,
+ * the EGL takes ownership of the file descriptor and is responsible for
+ * closing it, which it may do at any time while the EGLDisplay is
+ * initialized."
+ */
+static void
+dri2_take_dma_buf_ownership(const int *fds, unsigned num_fds)
+{
+ int already_closed[num_fds];
+ unsigned num_closed = 0;
+ unsigned i, j;
+
+ for (i = 0; i < num_fds; ++i) {
+ /**
+ * The same file descriptor can be referenced multiple times in case more
+ * than one plane is found in the same buffer, just with a different
+ * offset.
+ */
+ for (j = 0; j < num_closed; ++j) {
+ if (already_closed[j] == fds[i])
+ break;
+ }
+
+ if (j == num_closed) {
+ close(fds[i]);
+ already_closed[num_closed++] = fds[i];
+ }
+ }
+}
+
+static _EGLImage *
+dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx,
+ EGLClientBuffer buffer, const EGLint *attr_list)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ _EGLImage *res;
+ EGLint err;
+ _EGLImageAttribs attrs;
+ __DRIimage *dri_image;
+ unsigned num_fds;
+ unsigned i;
+ int fds[3];
+ int pitches[3];
+ int offsets[3];
+ unsigned error;
+
+ /**
+ * The spec says:
+ *
+ * ""* If <target> is EGL_LINUX_DMA_BUF_EXT and <buffer> is not NULL, the
+ * error EGL_BAD_PARAMETER is generated."
+ */
+ if (buffer != NULL) {
+ _eglError(EGL_BAD_PARAMETER, "buffer not NULL");
+ return NULL;
+ }
+
+ err = _eglParseImageAttribList(&attrs, disp, attr_list);
+ if (err != EGL_SUCCESS) {
+ _eglError(err, "bad attribute");
+ return NULL;
+ }
+
+ if (!dri2_check_dma_buf_attribs(&attrs))
+ return NULL;
+
+ num_fds = dri2_check_dma_buf_format(&attrs);
+ if (!num_fds)
+ return NULL;
+
+ for (i = 0; i < num_fds; ++i) {
+ fds[i] = attrs.DMABufPlaneFds[i].Value;
+ pitches[i] = attrs.DMABufPlanePitches[i].Value;
+ offsets[i] = attrs.DMABufPlaneOffsets[i].Value;
+ }
+
+ dri_image =
+ dri2_dpy->image->createImageFromDmaBufs(dri2_dpy->dri_screen,
+ attrs.Width, attrs.Height, attrs.DMABufFourCC.Value,
+ fds, num_fds, pitches, offsets,
+ attrs.DMABufYuvColorSpaceHint.Value,
+ attrs.DMABufSampleRangeHint.Value,
+ attrs.DMABufChromaHorizontalSiting.Value,
+ attrs.DMABufChromaVerticalSiting.Value,
+ &error,
+ NULL);
+ dri2_create_image_khr_texture_error(error);
+
+ if (!dri_image)
+ return EGL_NO_IMAGE_KHR;
+
+ res = dri2_create_image(disp, dri_image);
+ if (res)
+ dri2_take_dma_buf_ownership(fds, num_fds);
+
+ return res;
+}
+#endif
+
_EGLImage *
dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
_EGLContext *ctx, EGLenum target,
return dri2_create_image_khr_texture(disp, ctx, target, buffer, attr_list);
case EGL_GL_RENDERBUFFER_KHR:
return dri2_create_image_khr_renderbuffer(disp, ctx, buffer, attr_list);
+#ifdef HAVE_DRM_PLATFORM
case EGL_DRM_BUFFER_MESA:
return dri2_create_image_mesa_drm_buffer(disp, ctx, buffer, attr_list);
+#endif
#ifdef HAVE_WAYLAND_PLATFORM
case EGL_WAYLAND_BUFFER_WL:
return dri2_create_image_wayland_wl_buffer(disp, ctx, buffer, attr_list);
+#endif
+#ifdef HAVE_DRM_PLATFORM
+ case EGL_LINUX_DMA_BUF_EXT:
+ return dri2_create_image_dma_buf(disp, ctx, buffer, attr_list);
#endif
default:
_eglError(EGL_BAD_PARAMETER, "dri2_create_image_khr");
return EGL_TRUE;
}
+#ifdef HAVE_DRM_PLATFORM
static _EGLImage *
dri2_create_drm_image_mesa(_EGLDriver *drv, _EGLDisplay *disp,
const EGLint *attr_list)
return EGL_TRUE;
}
+#endif
#ifdef HAVE_WAYLAND_PLATFORM
static void
-dri2_wl_reference_buffer(void *user_data, uint32_t name,
+dri2_wl_reference_buffer(void *user_data, uint32_t name, int fd,
struct wl_drm_buffer *buffer)
{
_EGLDisplay *disp = user_data;
__DRIimage *img;
int i, dri_components = 0;
- img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
- buffer->buffer.width,
- buffer->buffer.height,
- buffer->format, (int*)&name, 1,
- buffer->stride,
- buffer->offset,
- NULL);
+ if (fd == -1)
+ img = dri2_dpy->image->createImageFromNames(dri2_dpy->dri_screen,
+ buffer->width,
+ buffer->height,
+ buffer->format,
+ (int*)&name, 1,
+ buffer->stride,
+ buffer->offset,
+ NULL);
+ else
+ img = dri2_dpy->image->createImageFromFds(dri2_dpy->dri_screen,
+ buffer->width,
+ buffer->height,
+ buffer->format,
+ &fd, 1,
+ buffer->stride,
+ buffer->offset,
+ NULL);
if (img == NULL)
return;
struct wl_display *wl_dpy)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ int ret, flags = 0;
+ uint64_t cap;
(void) drv;
return EGL_FALSE;
wl_drm_callbacks.authenticate =
- (int(*)(void *, uint32_t)) dri2_dpy->authenticate;
+ (int(*)(void *, uint32_t)) dri2_dpy->vtbl->authenticate;
+
+ ret = drmGetCap(dri2_dpy->fd, DRM_CAP_PRIME, &cap);
+ if (ret == 0 && cap == (DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT) &&
+ dri2_dpy->image->base.version >= 7 &&
+ dri2_dpy->image->createImageFromFds != NULL)
+ flags |= WAYLAND_DRM_PRIME;
dri2_dpy->wl_server_drm =
wayland_drm_init(wl_dpy, dri2_dpy->device_name,
- &wl_drm_callbacks, disp);
+ &wl_drm_callbacks, disp, flags);
if (!dri2_dpy->wl_server_drm)
return EGL_FALSE;
+ /* We have to share the wl_drm instance with gbm, so gbm can convert
+ * wl_buffers to gbm bos. */
+ if (dri2_dpy->gbm_dri)
+ dri2_dpy->gbm_dri->wl_drm = dri2_dpy->wl_server_drm;
+
return EGL_TRUE;
}
static EGLBoolean
dri2_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *disp,
- struct wl_buffer *_buffer,
+ struct wl_resource *buffer_resource,
EGLint attribute, EGLint *value)
{
- struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) _buffer;
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ struct wl_drm_buffer *buffer;
const struct wl_drm_components_descriptor *format;
- if (!wayland_buffer_is_drm(&buffer->buffer))
+ buffer = wayland_drm_buffer_get(dri2_dpy->wl_server_drm, buffer_resource);
+ if (!buffer)
return EGL_FALSE;
format = buffer->driver_format;
*value = format->components;
return EGL_TRUE;
case EGL_WIDTH:
- *value = buffer->buffer.width;
- break;
+ *value = buffer->width;
+ return EGL_TRUE;
case EGL_HEIGHT:
- *value = buffer->buffer.height;
- break;
+ *value = buffer->height;
+ return EGL_TRUE;
}
return EGL_FALSE;
dri2_drv->base.API.ReleaseTexImage = dri2_release_tex_image;
dri2_drv->base.API.CreateImageKHR = dri2_create_image_khr;
dri2_drv->base.API.DestroyImageKHR = dri2_destroy_image_khr;
+#ifdef HAVE_DRM_PLATFORM
dri2_drv->base.API.CreateDRMImageMESA = dri2_create_drm_image_mesa;
dri2_drv->base.API.ExportDRMImageMESA = dri2_export_drm_image_mesa;
+#endif
#ifdef HAVE_WAYLAND_PLATFORM
dri2_drv->base.API.BindWaylandDisplayWL = dri2_bind_wayland_display_wl;
dri2_drv->base.API.UnbindWaylandDisplayWL = dri2_unbind_wayland_display_wl;