#define PIPE_CONTEXT_H
#include "p_state.h"
-#include "p_compiler.h"
+
struct pipe_state_cache;
+
+/* Opaque driver handles:
+ */
+struct pipe_query;
+
/**
- * Software pipeline rendering context. Basically a collection of
- * state setting functions, plus VBO drawing entrypoint.
+ * Gallium rendering context. Basically:
+ * - state setting functions
+ * - VBO drawing functions
+ * - surface functions
+ * - device queries
*/
struct pipe_context {
struct pipe_winsys *winsys;
-
+
+ void *priv; /** context private data (for DRI for example) */
+
void (*destroy)( struct pipe_context * );
/*
* Queries
*/
- const unsigned *(*supported_formats)(struct pipe_context *pipe,
- unsigned *numFormats);
-
- void (*max_texture_size)(struct pipe_context *pipe,
- unsigned textureType, /* PIPE_TEXTURE_x */
- unsigned *maxWidth,
- unsigned *maxHeight,
- unsigned *maxDepth);
+ /** type is one of PIPE_SURFACE, PIPE_TEXTURE, etc. */
+ boolean (*is_format_supported)( struct pipe_context *pipe,
+ enum pipe_format format, uint type );
const char *(*get_name)( struct pipe_context *pipe );
const char *(*get_vendor)( struct pipe_context *pipe );
int (*get_param)( struct pipe_context *pipe, int param );
+ float (*get_paramf)( struct pipe_context *pipe, int param );
/*
unsigned mode, unsigned start, unsigned count);
boolean (*draw_elements)( struct pipe_context *pipe,
- struct pipe_buffer_handle *indexBuffer,
+ struct pipe_buffer *indexBuffer,
unsigned indexSize,
unsigned mode, unsigned start, unsigned count);
/**
* Query objects
*/
- void (*begin_query)(struct pipe_context *pipe, struct pipe_query_object *q);
- void (*end_query)(struct pipe_context *pipe, struct pipe_query_object *q);
- void (*wait_query)(struct pipe_context *pipe, struct pipe_query_object *q);
+ struct pipe_query *(*create_query)( struct pipe_context *pipe,
+ unsigned query_type );
+
+ void (*destroy_query)(struct pipe_context *pipe,
+ struct pipe_query *q);
+
+ void (*begin_query)(struct pipe_context *pipe, struct pipe_query *q);
+ void (*end_query)(struct pipe_context *pipe, struct pipe_query *q);
+
+ boolean (*get_query_result)(struct pipe_context *pipe,
+ struct pipe_query *q,
+ boolean wait,
+ uint64 *result);
/*
* State functions
*/
- void * (*create_alpha_test_state)(struct pipe_context *,
- const struct pipe_alpha_test_state *);
- void (*bind_alpha_test_state)(struct pipe_context *, void *);
- void (*delete_alpha_test_state)(struct pipe_context *, void *);
-
void * (*create_blend_state)(struct pipe_context *,
const struct pipe_blend_state *);
void (*bind_blend_state)(struct pipe_context *, void *);
void (*bind_rasterizer_state)(struct pipe_context *, void *);
void (*delete_rasterizer_state)(struct pipe_context *, void *);
- void * (*create_depth_stencil_state)(struct pipe_context *,
- const struct pipe_depth_stencil_state *);
- void (*bind_depth_stencil_state)(struct pipe_context *, void *);
- void (*delete_depth_stencil_state)(struct pipe_context *, void *);
+ void * (*create_depth_stencil_alpha_state)(struct pipe_context *,
+ const struct pipe_depth_stencil_alpha_state *);
+ void (*bind_depth_stencil_alpha_state)(struct pipe_context *, void *);
+ void (*delete_depth_stencil_alpha_state)(struct pipe_context *, void *);
void * (*create_fs_state)(struct pipe_context *,
const struct pipe_shader_state *);
void (*set_clip_state)( struct pipe_context *,
const struct pipe_clip_state * );
- void (*set_clear_color_state)( struct pipe_context *,
- const struct pipe_clear_color_state * );
-
void (*set_constant_buffer)( struct pipe_context *,
uint shader, uint index,
const struct pipe_constant_buffer *buf );
- void (*set_feedback_state)( struct pipe_context *,
- const struct pipe_feedback_state *);
-
void (*set_framebuffer_state)( struct pipe_context *,
const struct pipe_framebuffer_state * );
void (*set_scissor_state)( struct pipe_context *,
const struct pipe_scissor_state * );
- void (*set_texture_state)( struct pipe_context *,
- unsigned unit,
- struct pipe_mipmap_tree * );
+
+ /* Currently a sampler is constrained to sample from a single texture:
+ */
+ void (*set_sampler_texture)( struct pipe_context *,
+ unsigned sampler,
+ struct pipe_texture * );
void (*set_viewport_state)( struct pipe_context *,
const struct pipe_viewport_state * );
unsigned index,
const struct pipe_vertex_element * );
- /*
- * Vertex feedback
- */
- void (*set_feedback_buffer)(struct pipe_context *,
- unsigned index,
- const struct pipe_feedback_buffer *);
-
- /*
- * Surface functions
- * This might go away...
- */
- struct pipe_surface *(*surface_alloc)(struct pipe_context *pipe,
- unsigned format);
+ /** Get a surface which is a "view" into a texture */
struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe,
- struct pipe_mipmap_tree *texture,
+ struct pipe_texture *texture,
unsigned face, unsigned level,
unsigned zslice);
- /*
- * Memory region functions
- * Some of these may go away...
- */
- struct pipe_region *(*region_alloc)(struct pipe_context *pipe,
- unsigned cpp, unsigned width, unsigned height,
- unsigned flags);
-
- void (*region_release)(struct pipe_context *pipe, struct pipe_region **r);
-
- ubyte *(*region_map)(struct pipe_context *pipe, struct pipe_region *r);
+ /** Get a block of raw pixel data from a surface */
+ void (*get_tile)(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ void *p, int dst_stride);
+ /** Put a block of raw pixel data into a surface */
+ void (*put_tile)(struct pipe_context *pipe,
+ struct pipe_surface *ps,
+ uint x, uint y, uint w, uint h,
+ const void *p, int src_stride);
- void (*region_unmap)(struct pipe_context *pipe, struct pipe_region *r);
- void (*region_data)(struct pipe_context *pipe,
- struct pipe_region *dest,
- unsigned dest_offset,
- unsigned destx, unsigned desty,
- const void *src, unsigned src_stride,
- unsigned srcx, unsigned srcy, unsigned width, unsigned height);
-
- void (*region_copy)(struct pipe_context *pipe,
- struct pipe_region *dest,
- unsigned dest_offset,
- unsigned destx, unsigned desty,
- struct pipe_region *src, /* don't make this const -
- need to map/unmap */
- unsigned src_offset,
- unsigned srcx, unsigned srcy, unsigned width, unsigned height);
-
- void (*region_fill)(struct pipe_context *pipe,
- struct pipe_region *dst,
- unsigned dst_offset,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height,
- unsigned value);
+ /*
+ * Surface functions
+ */
+ void (*surface_data)(struct pipe_context *pipe,
+ struct pipe_surface *dest,
+ unsigned destx, unsigned desty,
+ const void *src, unsigned src_stride,
+ unsigned srcx, unsigned srcy,
+ unsigned width, unsigned height);
+
+ void (*surface_copy)(struct pipe_context *pipe,
+ struct pipe_surface *dest,
+ unsigned destx, unsigned desty,
+ struct pipe_surface *src, /* don't make this const -
+ need to map/unmap */
+ unsigned srcx, unsigned srcy,
+ unsigned width, unsigned height);
+
+ void (*surface_fill)(struct pipe_context *pipe,
+ struct pipe_surface *dst,
+ unsigned dstx, unsigned dsty,
+ unsigned width, unsigned height,
+ unsigned value);
/*
* Texture functions
*/
- boolean (*mipmap_tree_layout)( struct pipe_context *pipe,
- struct pipe_mipmap_tree *mt );
+ void (*texture_create)(struct pipe_context *pipe,
+ struct pipe_texture **pt);
+
+ void (*texture_release)(struct pipe_context *pipe,
+ struct pipe_texture **pt);
/* Flush rendering:
unsigned flags );
};
-
-/**
- * Set 'ptr' to point to 'region' and update reference counting.
- * The old thing pointed to, if any, will be unreferenced first.
- * 'region' may be NULL.
- */
-static INLINE void
-pipe_region_reference(struct pipe_region **ptr, struct pipe_region *region)
-{
- assert(ptr);
- if (*ptr) {
- /* unreference the old thing */
- struct pipe_region *oldReg = *ptr;
- oldReg->refcount--;
- assert(oldReg->refcount >= 0);
- if (oldReg->refcount == 0) {
- /* free the old region */
- assert(oldReg->map_refcount == 0);
- /* XXX dereference the region->buffer */
- free(oldReg);
- }
- *ptr = NULL;
- }
- if (region) {
- /* reference the new thing */
- region->refcount++;
- *ptr = region;
- }
-}
-
-
-/**
- * \sa pipe_region_reference
- */
-static INLINE void
-pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
-{
- assert(ptr);
- if (*ptr) {
- /* unreference the old thing */
- struct pipe_surface *oldSurf = *ptr;
- oldSurf->refcount--;
- assert(oldSurf->refcount >= 0);
- if (oldSurf->refcount == 0) {
- /* free the old region */
- pipe_region_reference(&oldSurf->region, NULL);
- free(oldSurf);
- }
- *ptr = NULL;
- }
- if (surf) {
- /* reference the new thing */
- surf->refcount++;
- *ptr = surf;
- }
-}
-
-
#endif /* PIPE_CONTEXT_H */