struct pipe_fence_handle;
struct pipe_state_cache;
struct pipe_query;
-
+struct pipe_winsys;
/**
* Gallium rendering context. Basically:
*/
/*@{*/
struct pipe_query *(*create_query)( struct pipe_context *pipe,
- unsigned query_type );
+ unsigned query_type );
void (*destroy_query)(struct pipe_context *pipe,
struct pipe_query *q);
void * (*create_sampler_state)(struct pipe_context *,
const struct pipe_sampler_state *);
- void (*bind_sampler_states)(struct pipe_context *, unsigned num, void **);
+ void (*bind_fragment_sampler_states)(struct pipe_context *,
+ unsigned num_samplers,
+ void **samplers);
+ void (*bind_vertex_sampler_states)(struct pipe_context *,
+ unsigned num_samplers,
+ void **samplers);
void (*delete_sampler_state)(struct pipe_context *, void *);
void * (*create_rasterizer_state)(struct pipe_context *,
void (*set_viewport_state)( struct pipe_context *,
const struct pipe_viewport_state * );
- void (*set_sampler_textures)( struct pipe_context *,
- unsigned num_textures,
- struct pipe_texture ** );
+ void (*set_fragment_sampler_textures)(struct pipe_context *,
+ unsigned num_textures,
+ struct pipe_texture **);
+
+ void (*set_vertex_sampler_textures)(struct pipe_context *,
+ unsigned num_textures,
+ struct pipe_texture **);
void (*set_vertex_buffers)( struct pipe_context *,
unsigned num_buffers,
/**
* Surface functions
+ *
+ * The pipe driver is allowed to set these functions to NULL, and in that
+ * case, they will not be available.
*/
/*@{*/
+
+ /**
+ * Copy a block of pixels from one surface to another.
+ * The surfaces must be of the same format.
+ */
void (*surface_copy)(struct pipe_context *pipe,
- boolean do_flip,/**< flip surface contents vertically */
struct pipe_surface *dest,
unsigned destx, unsigned desty,
- struct pipe_surface *src, /* don't make this const -
- need to map/unmap */
+ struct pipe_surface *src,
unsigned srcx, unsigned srcy,
unsigned width, unsigned height);
+ /**
+ * Fill a region of a surface with a constant value.
+ */
void (*surface_fill)(struct pipe_context *pipe,
struct pipe_surface *dst,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height,
unsigned value);
-
- void (*clear)(struct pipe_context *pipe,
- struct pipe_surface *ps,
- unsigned clearValue);
/*@}*/
-
- /** Flush rendering (flags = bitmask of PIPE_FLUSH_x tokens) */
+ /**
+ * Clear the specified set of currently bound buffers to specified values.
+ * The entire buffers are cleared (no scissor, no colormask, etc).
+ *
+ * \param buffers bitfield of PIPE_CLEAR_* values.
+ * \param rgba pointer to an array of one float for each of r, g, b, a.
+ * \param depth depth clear value in [0,1].
+ * \param stencil stencil clear value
+ */
+ void (*clear)(struct pipe_context *pipe,
+ unsigned buffers,
+ const float *rgba,
+ double depth,
+ unsigned stencil);
+
+ /** Flush rendering
+ * \param flags bitmask of PIPE_FLUSH_x tokens)
+ */
void (*flush)( struct pipe_context *pipe,
unsigned flags,
struct pipe_fence_handle **fence );
+
+ /**
+ * Check whether a texture is referenced by an unflushed hw command.
+ * The state-tracker uses this function to optimize away unnecessary
+ * flushes. It is safe (but wasteful) to always return.
+ * PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE.
+ * \param pipe The pipe context whose unflushed hw commands will be
+ * checked.
+ * \param level mipmap level.
+ * \param texture texture to check.
+ * \param face cubemap face. Use 0 for non-cubemap texture.
+ */
+ unsigned int (*is_texture_referenced) (struct pipe_context *pipe,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level);
+
+ /**
+ * Check whether a buffer is referenced by an unflushed hw command.
+ * The state-tracker uses this function to optimize away unnecessary
+ * flushes. It is safe (but wasteful) to always return
+ * PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE.
+ * \param pipe The pipe context whose unflushed hw commands will be
+ * checked.
+ * \param buf Buffer to check.
+ */
+ unsigned int (*is_buffer_referenced) (struct pipe_context *pipe,
+ struct pipe_buffer *buf);
};