#ifndef _GBM_H_
#define _GBM_H_
+#define __GBM__ 1
+
+#include <stddef.h>
+#include <stdint.h>
+
#ifdef __cplusplus
extern "C" {
#endif
-#define __GBM__ 1
-
-#include <stdint.h>
-
/**
* \file gbm.h
* \brief Generic Buffer Manager
GBM_BO_FORMAT_ARGB8888
};
+
+/**
+ * The FourCC format codes are taken from the drm_fourcc.h definition, and
+ * re-namespaced. New GBM formats must not be added, unless they are
+ * identical ports from drm_fourcc.
+ */
#define __gbm_fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
/* color index */
#define GBM_FORMAT_C8 __gbm_fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
+/* 8 bpp Red */
+#define GBM_FORMAT_R8 __gbm_fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
+
+/* 16 bpp RG */
+#define GBM_FORMAT_GR88 __gbm_fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
+
/* 8 bpp RGB */
#define GBM_FORMAT_RGB332 __gbm_fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
#define GBM_FORMAT_BGR233 __gbm_fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
*/
GBM_BO_USE_SCANOUT = (1 << 0),
/**
- * Buffer is going to be used as cursor - the dimensions for the buffer
- * must be 64x64 if this flag is passed.
+ * Buffer is going to be used as cursor
+ */
+ GBM_BO_USE_CURSOR = (1 << 1),
+ /**
+ * Deprecated
*/
- GBM_BO_USE_CURSOR_64X64 = (1 << 1),
+ GBM_BO_USE_CURSOR_64X64 = GBM_BO_USE_CURSOR,
/**
* Buffer is to be used for rendering - for example it is going to be used
* as the storage for a color buffer
GBM_BO_USE_RENDERING = (1 << 2),
/**
* Buffer can be used for gbm_bo_write. This is guaranteed to work
- * with GBM_BO_USE_CURSOR_64X64. but may not work for other
- * combinations.
+ * with GBM_BO_USE_CURSOR, but may not work for other combinations.
*/
GBM_BO_USE_WRITE = (1 << 3),
+ /**
+ * Buffer is linear, i.e. not tiled.
+ */
+ GBM_BO_USE_LINEAR = (1 << 4),
};
int
gbm_device_is_format_supported(struct gbm_device *gbm,
uint32_t format, uint32_t usage);
+int
+gbm_device_get_format_modifier_plane_count(struct gbm_device *gbm,
+ uint32_t format,
+ uint64_t modifier);
+
void
gbm_device_destroy(struct gbm_device *gbm);
uint32_t width, uint32_t height,
uint32_t format, uint32_t flags);
+struct gbm_bo *
+gbm_bo_create_with_modifiers(struct gbm_device *gbm,
+ uint32_t width, uint32_t height,
+ uint32_t format,
+ const uint64_t *modifiers,
+ const unsigned int count);
#define GBM_BO_IMPORT_WL_BUFFER 0x5501
#define GBM_BO_IMPORT_EGL_IMAGE 0x5502
+#define GBM_BO_IMPORT_FD 0x5503
+#define GBM_BO_IMPORT_FD_MODIFIER 0x5504
+
+struct gbm_import_fd_data {
+ int fd;
+ uint32_t width;
+ uint32_t height;
+ uint32_t stride;
+ uint32_t format;
+};
+
+struct gbm_import_fd_modifier_data {
+ uint32_t width;
+ uint32_t height;
+ uint32_t format;
+ uint32_t num_fds;
+ int fds[4];
+ int strides[4];
+ int offsets[4];
+ uint64_t modifier;
+};
struct gbm_bo *
gbm_bo_import(struct gbm_device *gbm, uint32_t type,
void *buffer, uint32_t usage);
+/**
+ * Flags to indicate the type of mapping for the buffer - these are
+ * passed into gbm_bo_map(). The caller must set the union of all the
+ * flags that are appropriate.
+ *
+ * These flags are independent of the GBM_BO_USE_* creation flags. However,
+ * mapping the buffer may require copying to/from a staging buffer.
+ *
+ * See also: pipe_transfer_usage
+ */
+enum gbm_bo_transfer_flags {
+ /**
+ * Buffer contents read back (or accessed directly) at transfer
+ * create time.
+ */
+ GBM_BO_TRANSFER_READ = (1 << 0),
+ /**
+ * Buffer contents will be written back at unmap time
+ * (or modified as a result of being accessed directly).
+ */
+ GBM_BO_TRANSFER_WRITE = (1 << 1),
+ /**
+ * Read/modify/write
+ */
+ GBM_BO_TRANSFER_READ_WRITE = (GBM_BO_TRANSFER_READ | GBM_BO_TRANSFER_WRITE),
+};
+
+void *
+gbm_bo_map(struct gbm_bo *bo,
+ uint32_t x, uint32_t y, uint32_t width, uint32_t height,
+ uint32_t flags, uint32_t *stride, void **map_data);
+
+void
+gbm_bo_unmap(struct gbm_bo *bo, void *map_data);
+
uint32_t
gbm_bo_get_width(struct gbm_bo *bo);
uint32_t
gbm_bo_get_stride(struct gbm_bo *bo);
+uint32_t
+gbm_bo_get_stride_for_plane(struct gbm_bo *bo, int plane);
+
uint32_t
gbm_bo_get_format(struct gbm_bo *bo);
+uint32_t
+gbm_bo_get_bpp(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_offset(struct gbm_bo *bo, int plane);
+
struct gbm_device *
gbm_bo_get_device(struct gbm_bo *bo);
union gbm_bo_handle
gbm_bo_get_handle(struct gbm_bo *bo);
+int
+gbm_bo_get_fd(struct gbm_bo *bo);
+
+uint64_t
+gbm_bo_get_modifier(struct gbm_bo *bo);
+
+int
+gbm_bo_get_plane_count(struct gbm_bo *bo);
+
+union gbm_bo_handle
+gbm_bo_get_handle_for_plane(struct gbm_bo *bo, int plane);
+
int
gbm_bo_write(struct gbm_bo *bo, const void *buf, size_t count);
uint32_t width, uint32_t height,
uint32_t format, uint32_t flags);
+struct gbm_surface *
+gbm_surface_create_with_modifiers(struct gbm_device *gbm,
+ uint32_t width, uint32_t height,
+ uint32_t format,
+ const uint64_t *modifiers,
+ const unsigned int count);
+int
+gbm_surface_needs_lock_front_buffer(struct gbm_surface *surface);
+
struct gbm_bo *
gbm_surface_lock_front_buffer(struct gbm_surface *surface);
projects / mesa.git / blobdiff