#ifndef PIPE_CONTEXT_H
#define PIPE_CONTEXT_H
-#include "main/mtypes.h"
#include "p_state.h"
-/* Drawing currently kludged up via the existing tnl/ module.
- */
-struct vertex_buffer;
+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 GLuint *(*supported_formats)(struct pipe_context *pipe,
- GLuint *numFormats);
+ /** 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 );
+
/*
- * Drawing
+ * Drawing.
+ * Return false on fallbacks (temporary??)
*/
- void (*draw_vb)( struct pipe_context *pipe,
- struct vertex_buffer *VB );
+ boolean (*draw_arrays)( struct pipe_context *pipe,
+ unsigned mode, unsigned start, unsigned count);
- void (*draw_vertices)( struct pipe_context *pipe,
- GLuint mode,
- GLuint numVertex, const GLfloat *verts,
- GLuint numAttribs, const GLuint attribs[]);
+ boolean (*draw_elements)( struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned mode, unsigned start, unsigned count);
/** Clear a surface to given value (no scissor; clear whole surface) */
void (*clear)(struct pipe_context *pipe, struct pipe_surface *ps,
- GLuint clearValue);
+ unsigned clearValue);
- /** occlusion counting (XXX this may be temporary - we should probably
- * have generic query objects with begin/end methods)
+ /**
+ * Query objects
*/
- void (*reset_occlusion_counter)(struct pipe_context *pipe);
- GLuint (*get_occlusion_counter)(struct pipe_context *pipe);
+ 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 (*set_alpha_test_state)( struct pipe_context *,
- const struct pipe_alpha_test_state * );
-
- void (*set_blend_state)( struct pipe_context *,
- const struct pipe_blend_state * );
-
+ void * (*create_blend_state)(struct pipe_context *,
+ const struct pipe_blend_state *);
+ void (*bind_blend_state)(struct pipe_context *, void *);
+ void (*delete_blend_state)(struct pipe_context *, void *);
+
+ void * (*create_sampler_state)(struct pipe_context *,
+ const struct pipe_sampler_state *);
+ void (*bind_sampler_state)(struct pipe_context *, unsigned unit, void *);
+ void (*delete_sampler_state)(struct pipe_context *, void *);
+
+ void * (*create_rasterizer_state)(struct pipe_context *,
+ const struct pipe_rasterizer_state *);
+ void (*bind_rasterizer_state)(struct pipe_context *, void *);
+ void (*delete_rasterizer_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 (*bind_fs_state)(struct pipe_context *, void *);
+ void (*delete_fs_state)(struct pipe_context *, void *);
+
+ void * (*create_vs_state)(struct pipe_context *,
+ const struct pipe_shader_state *);
+ void (*bind_vs_state)(struct pipe_context *, void *);
+ void (*delete_vs_state)(struct pipe_context *, void *);
+
+ /* The following look more properties than states.
+ * maybe combine a few of them into states or pass them
+ * in the bind calls to the state */
void (*set_blend_color)( struct pipe_context *,
const struct pipe_blend_color * );
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_depth_state)( struct pipe_context *,
- const struct pipe_depth_state * );
+ void (*set_constant_buffer)( struct pipe_context *,
+ uint shader, uint index,
+ const struct pipe_constant_buffer *buf );
void (*set_framebuffer_state)( struct pipe_context *,
const struct pipe_framebuffer_state * );
- void (*set_fs_state)( struct pipe_context *,
- const struct pipe_fs_state * );
-
void (*set_polygon_stipple)( struct pipe_context *,
const struct pipe_poly_stipple * );
- void (*set_setup_state)( struct pipe_context *,
- const struct pipe_setup_state * );
-
void (*set_scissor_state)( struct pipe_context *,
const struct pipe_scissor_state * );
- void (*set_stencil_state)( struct pipe_context *,
- const struct pipe_stencil_state * );
-
- void (*set_sampler_state)( struct pipe_context *,
- GLuint unit,
- const struct pipe_sampler_state * );
- void (*set_texture_state)( struct pipe_context *,
- GLuint 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 * );
-
- /*
- * Surface functions
- * This might go away...
- */
- struct pipe_surface *(*surface_alloc)(struct pipe_context *pipe,
- GLuint format);
-
- struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe,
- struct pipe_mipmap_tree *texture,
- GLuint face, GLuint level,
- GLuint zslice);
-
/*
- * Memory region functions
- * Some of these may go away...
+ * Vertex arrays
*/
- struct pipe_region *(*region_alloc)(struct pipe_context *pipe,
- GLuint cpp, GLuint width, GLuint height,
- GLbitfield flags);
-
- void (*region_release)(struct pipe_context *pipe, struct pipe_region **r);
-
- void (*region_idle)(struct pipe_context *pipe, struct pipe_region *region);
-
- GLubyte *(*region_map)(struct pipe_context *pipe, struct pipe_region *r);
-
- void (*region_unmap)(struct pipe_context *pipe, struct pipe_region *r);
+ void (*set_vertex_buffer)( struct pipe_context *,
+ unsigned index,
+ const struct pipe_vertex_buffer * );
- void (*region_data)(struct pipe_context *pipe,
- struct pipe_region *dest,
- GLuint dest_offset,
- GLuint destx, GLuint desty,
- const void *src, GLuint src_stride,
- GLuint srcx, GLuint srcy, GLuint width, GLuint height);
+ void (*set_vertex_element)( struct pipe_context *,
+ unsigned index,
+ const struct pipe_vertex_element * );
- void (*region_copy)(struct pipe_context *pipe,
- struct pipe_region *dest,
- GLuint dest_offset,
- GLuint destx, GLuint desty,
- struct pipe_region *src, /* don't make this const -
- need to map/unmap */
- GLuint src_offset,
- GLuint srcx, GLuint srcy, GLuint width, GLuint height);
- void (*region_fill)(struct pipe_context *pipe,
- struct pipe_region *dst,
- GLuint dst_offset,
- GLuint dstx, GLuint dsty,
- GLuint width, GLuint height,
- GLuint value);
+ /** Get a surface which is a "view" into a texture */
+ struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level,
+ unsigned zslice);
+
+ /** 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);
- /* Buffer management functions need to be exposed as well. A pipe
- * buffer may be used as a texture, render target or vertex/index
- * buffer, or some combination according to flags.
+ /*
+ * 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);
- struct pipe_buffer_handle *(*create_buffer)(struct pipe_context *pipe,
- unsigned alignment,
- unsigned flags );
-
- void *(*buffer_map)( struct pipe_context *pipe,
- struct pipe_buffer_handle *buf,
- unsigned flags );
-
- void (*buffer_unmap)( struct pipe_context *pipe,
- struct pipe_buffer_handle *buf );
-
- struct pipe_buffer_handle *(*buffer_reference)( struct pipe_context *pipe,
- struct pipe_buffer_handle *buf );
-
- void (*buffer_unreference)( struct pipe_context *pipe,
- struct pipe_buffer_handle **buf );
-
- void (*buffer_data)(struct pipe_context *pipe,
- struct pipe_buffer_handle *buf,
- unsigned size, const void *data );
-
- void (*buffer_subdata)(struct pipe_context *pipe,
- struct pipe_buffer_handle *buf,
- unsigned long offset,
- unsigned long size,
- const void *data);
-
- void (*buffer_get_subdata)(struct pipe_context *pipe,
- struct pipe_buffer_handle *buf,
- unsigned long offset,
- unsigned long size,
- void *data);
/*
* Texture functions
*/
- GLboolean (*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);
- /* Simple flush/finish support:
+ /* Flush rendering:
*/
void (*flush)( struct pipe_context *pipe,
unsigned flags );
-
- void (*wait_idle)( struct pipe_context *pipe );
-
- void (*flush_frontbuffer)( struct pipe_context *pipe );
};
-
-
-static INLINE void
-pipe_region_reference(struct pipe_region **dst, struct pipe_region *src)
-{
- assert(*dst == NULL);
- if (src) {
- src->refcount++;
- *dst = src;
- }
-}
-
-
-static INLINE void
-pipe_surface_reference(struct pipe_surface **dst, struct pipe_surface *src)
-{
- assert(*dst == NULL);
- if (src) {
- src->refcount++;
- *dst = src;
- }
-}
-
-static INLINE void
-pipe_surface_unreference(struct pipe_surface **ps)
-{
- assert(*ps);
- (*ps)->refcount--;
- if ((*ps)->refcount <= 0) {
- /* XXX need a proper surface->free method */
- free(*ps);
- }
- *ps = NULL;
-}
-
-
#endif /* PIPE_CONTEXT_H */
projects / mesa.git / blobdiff