/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 "pipe/p_compiler.h"
#include "pipe/p_format.h"
#include "pipe/p_defines.h"
+#include "pipe/p_video_enums.h"
#endif
-/** Opaque type */
+/** Opaque types */
struct winsys_handle;
-/** Opaque type */
struct pipe_fence_handle;
-struct pipe_winsys;
struct pipe_resource;
struct pipe_surface;
struct pipe_transfer;
+struct pipe_box;
/**
* context.
*/
struct pipe_screen {
- struct pipe_winsys *winsys;
-
void (*destroy)( struct pipe_screen * );
-
const char *(*get_name)( struct pipe_screen * );
const char *(*get_vendor)( struct pipe_screen * );
+ /**
+ * Returns the device vendor.
+ *
+ * The returned value should return the actual device vendor/manufacturer,
+ * rather than a potentially generic driver string.
+ */
+ const char *(*get_device_vendor)( struct pipe_screen * );
+
/**
* Query an integer-valued capability/parameter/limit
* \param param one of PIPE_CAP_x
* Query a float-valued capability/parameter/limit
* \param param one of PIPE_CAP_x
*/
- float (*get_paramf)( struct pipe_screen *, enum pipe_cap param );
+ float (*get_paramf)( struct pipe_screen *, enum pipe_capf param );
/**
* Query a per-shader-stage integer-valued capability/parameter/limit
*/
int (*get_shader_param)( struct pipe_screen *, unsigned shader, enum pipe_shader_cap param );
- struct pipe_context * (*context_create)( struct pipe_screen *,
- void *priv );
+ /**
+ * Query an integer-valued capability/parameter/limit for a codec/profile
+ * \param param one of PIPE_VIDEO_CAP_x
+ */
+ int (*get_video_param)( struct pipe_screen *,
+ enum pipe_video_profile profile,
+ enum pipe_video_entrypoint entrypoint,
+ enum pipe_video_cap param );
+
+ /**
+ * Query a compute-specific capability/parameter/limit.
+ * \param param one of PIPE_COMPUTE_CAP_x
+ * \param ret pointer to a preallocated buffer that will be
+ * initialized to the parameter value, or NULL.
+ * \return size in bytes of the parameter value that would be
+ * returned.
+ */
+ int (*get_compute_param)(struct pipe_screen *,
+ enum pipe_compute_cap param,
+ void *ret);
+
+ /**
+ * Query a timestamp in nanoseconds. The returned value should match
+ * PIPE_QUERY_TIMESTAMP. This function returns immediately and doesn't
+ * wait for rendering to complete (which cannot be achieved with queries).
+ */
+ uint64_t (*get_timestamp)(struct pipe_screen *);
+
+ /**
+ * Create a context.
+ *
+ * \param screen pipe screen
+ * \param priv a pointer to set in pipe_context::priv
+ * \param flags a mask of PIPE_CONTEXT_* flags
+ */
+ struct pipe_context * (*context_create)(struct pipe_screen *screen,
+ void *priv, unsigned flags);
/**
* Check if the given pipe_format is supported as a texture or
* drawing surface.
* \param bindings bitmask of PIPE_BIND_*
- * \param geom_flags bitmask of PIPE_TEXTURE_GEOM_*
*/
boolean (*is_format_supported)( struct pipe_screen *,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
- unsigned bindings,
- unsigned geom_flags );
+ unsigned bindings );
+
+ /**
+ * Check if the given pipe_format is supported as output for this codec/profile.
+ * \param profile profile to check, may also be PIPE_VIDEO_PROFILE_UNKNOWN
+ */
+ boolean (*is_video_format_supported)( struct pipe_screen *,
+ enum pipe_format format,
+ enum pipe_video_profile profile,
+ enum pipe_video_entrypoint entrypoint );
+
+ /**
+ * Check if we can actually create the given resource (test the dimension,
+ * overall size, etc). Used to implement proxy textures.
+ * \return TRUE if size is OK, FALSE if too large.
+ */
+ boolean (*can_create_resource)(struct pipe_screen *screen,
+ const struct pipe_resource *templat);
/**
* Create a new texture object, using the given template info.
const struct pipe_resource *templat,
struct winsys_handle *handle);
+ /**
+ * Create a resource from user memory. This maps the user memory into
+ * the device address space.
+ */
+ struct pipe_resource * (*resource_from_user_memory)(struct pipe_screen *,
+ const struct pipe_resource *t,
+ void *user_memory);
+
/**
* Get a winsys_handle from a texture. Some platforms/winsys requires
* that the texture is created with a special usage flag like
struct pipe_resource *pt);
- /**
- * Create a buffer that wraps user-space data.
- *
- * Effectively this schedules a delayed call to buffer_create
- * followed by an upload of the data at *some point in the future*,
- * or perhaps never. Basically the allocate/upload is delayed
- * until the buffer is actually passed to hardware.
- *
- * The intention is to provide a quick way to turn regular data
- * into a buffer, and secondly to avoid a copy operation if that
- * data subsequently turns out to be only accessed by the CPU.
- *
- * Common example is OpenGL vertex buffers that are subsequently
- * processed either by software TNL in the driver or by passing to
- * hardware.
- *
- * XXX: What happens if the delayed call to buffer_create() fails?
- *
- * Note that ptr may be accessed at any time upto the time when the
- * buffer is destroyed, so the data must not be freed before then.
- */
- struct pipe_resource *(*user_buffer_create)(struct pipe_screen *screen,
- void *ptr,
- unsigned bytes,
- unsigned bind_flags);
-
/**
* Do any special operations to ensure frontbuffer contents are
* displayed, eg copy fake frontbuffer.
* \param winsys_drawable_handle an opaque handle that the calling context
* gets out-of-band
+ * \param subbox an optional sub region to flush
*/
void (*flush_frontbuffer)( struct pipe_screen *screen,
struct pipe_resource *resource,
unsigned level, unsigned layer,
- void *winsys_drawable_handle );
-
-
+ void *winsys_drawable_handle,
+ struct pipe_box *subbox );
/** Set ptr = fence, with reference counting */
void (*fence_reference)( struct pipe_screen *screen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence );
- /**
- * Checks whether the fence has been signalled.
- */
- boolean (*fence_signalled)( struct pipe_screen *screen,
- struct pipe_fence_handle *fence );
-
/**
* Wait for the fence to finish.
- * \param timeout in nanoseconds
+ * \param timeout in nanoseconds (may be PIPE_TIMEOUT_INFINITE).
*/
boolean (*fence_finish)( struct pipe_screen *screen,
struct pipe_fence_handle *fence,
uint64_t timeout );
+ /**
+ * Returns a driver-specific query.
+ *
+ * If \p info is NULL, the number of available queries is returned.
+ * Otherwise, the driver query at the specified \p index is returned
+ * in \p info. The function returns non-zero on success.
+ */
+ int (*get_driver_query_info)(struct pipe_screen *screen,
+ unsigned index,
+ struct pipe_driver_query_info *info);
+
+ /**
+ * Returns a driver-specific query group.
+ *
+ * If \p info is NULL, the number of available groups is returned.
+ * Otherwise, the driver query group at the specified \p index is returned
+ * in \p info. The function returns non-zero on success.
+ */
+ int (*get_driver_query_group_info)(struct pipe_screen *screen,
+ unsigned index,
+ struct pipe_driver_query_group_info *info);
+
};
projects / mesa.git / blobdiff