diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_texture.h')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_texture.h | 158 |
1 files changed, 145 insertions, 13 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.h b/src/gallium/drivers/llvmpipe/lp_texture.h index 87c905bc02..858975bcee 100644 --- a/src/gallium/drivers/llvmpipe/lp_texture.h +++ b/src/gallium/drivers/llvmpipe/lp_texture.h @@ -30,33 +30,100 @@ #include "pipe/p_state.h" +#include "util/u_debug.h" + + +#define LP_MAX_TEXTURE_2D_LEVELS 12 /* 2K x 2K for now */ +#define LP_MAX_TEXTURE_3D_LEVELS 10 /* 512 x 512 x 512 for now */ + +#define LP_MAX_TEXTURE_LEVELS LP_MAX_TEXTURE_2D_LEVELS + + +enum lp_texture_usage +{ + LP_TEX_USAGE_READ = 100, + LP_TEX_USAGE_READ_WRITE, + LP_TEX_USAGE_WRITE_ALL +}; + + +/** Per-tile layout mode */ +enum lp_texture_layout +{ + LP_TEX_LAYOUT_NONE = 0, /**< no layout for the tile data yet */ + LP_TEX_LAYOUT_TILED, /**< the tile data is in tiled layout */ + LP_TEX_LAYOUT_LINEAR, /**< the tile data is in linear layout */ + LP_TEX_LAYOUT_BOTH /**< the tile data is in both modes */ +}; struct pipe_context; struct pipe_screen; struct llvmpipe_context; -struct llvmpipe_displaytarget; +struct sw_displaytarget; -struct llvmpipe_texture + +/** + * We keep one or two copies of the texture image data: one in a simple + * linear layout (for texture sampling) and another in a tiled layout (for + * render targets). We keep track of whether each image tile is linear + * or tiled on a per-tile basis. + */ + + +/** A 1D/2D/3D image, one mipmap level */ +struct llvmpipe_texture_image +{ + void *data; +}; + + +/** + * llvmpipe subclass of pipe_resource. A texture, drawing surface, + * vertex buffer, const buffer, etc. + * Textures are stored differently than othere types of objects such as + * vertex buffers and const buffers. + * The former are tiled and have per-tile layout flags. + * The later are simple malloc'd blocks of memory. + */ +struct llvmpipe_resource { - struct pipe_texture base; + struct pipe_resource base; - unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS]; - unsigned stride[PIPE_MAX_TEXTURE_LEVELS]; + /** Row stride in bytes */ + unsigned row_stride[LP_MAX_TEXTURE_LEVELS]; + /** Image stride (for cube maps or 3D textures) in bytes */ + unsigned img_stride[LP_MAX_TEXTURE_LEVELS]; + unsigned tiles_per_row[LP_MAX_TEXTURE_LEVELS]; + unsigned tiles_per_image[LP_MAX_TEXTURE_LEVELS]; + /** Number of 3D slices or cube faces per level */ + unsigned num_slices_faces[LP_MAX_TEXTURE_LEVELS]; /** - * Display target, for textures with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET + * Display target, for textures with the PIPE_BIND_DISPLAY_TARGET * usage. */ - struct llvmpipe_displaytarget *dt; + struct sw_displaytarget *dt; /** * Malloc'ed data for regular textures, or a mapping to dt above. */ + struct llvmpipe_texture_image tiled[LP_MAX_TEXTURE_LEVELS]; + struct llvmpipe_texture_image linear[LP_MAX_TEXTURE_LEVELS]; + + /** + * Data for non-texture resources. + */ void *data; + /** array [level][face or slice][tile_y][tile_x] of layout values) */ + enum lp_texture_layout *layout[LP_MAX_TEXTURE_LEVELS]; + + boolean userBuffer; /** Is this a user-space buffer? */ unsigned timestamp; + + unsigned id; /**< temporary, for debugging */ }; @@ -69,17 +136,17 @@ struct llvmpipe_transfer /** cast wrappers */ -static INLINE struct llvmpipe_texture * -llvmpipe_texture(struct pipe_texture *pt) +static INLINE struct llvmpipe_resource * +llvmpipe_resource(struct pipe_resource *pt) { - return (struct llvmpipe_texture *) pt; + return (struct llvmpipe_resource *) pt; } -static INLINE const struct llvmpipe_texture * -llvmpipe_texture_const(const struct pipe_texture *pt) +static INLINE const struct llvmpipe_resource * +llvmpipe_resource_const(const struct pipe_resource *pt) { - return (const struct llvmpipe_texture *) pt; + return (const struct llvmpipe_resource *) pt; } @@ -90,8 +157,73 @@ llvmpipe_transfer(struct pipe_transfer *pt) } +void llvmpipe_init_screen_resource_funcs(struct pipe_screen *screen); +void llvmpipe_init_context_resource_funcs(struct pipe_context *pipe); + +static INLINE unsigned +llvmpipe_resource_stride(struct pipe_resource *resource, + unsigned level) +{ + struct llvmpipe_resource *lpr = llvmpipe_resource(resource); + assert(level < LP_MAX_TEXTURE_2D_LEVELS); + return lpr->row_stride[level]; +} + + +void * +llvmpipe_resource_map(struct pipe_resource *resource, + unsigned face_slice, + unsigned level, + unsigned zslice, + enum lp_texture_usage tex_usage, + enum lp_texture_layout layout); + +void +llvmpipe_resource_unmap(struct pipe_resource *resource, + unsigned face_slice, + unsigned level, + unsigned zslice); + + +void * +llvmpipe_resource_data(struct pipe_resource *resource); + + +ubyte * +llvmpipe_get_texture_image_address(struct llvmpipe_resource *lpr, + unsigned face_slice, unsigned level, + enum lp_texture_layout layout); + +void * +llvmpipe_get_texture_image(struct llvmpipe_resource *resource, + unsigned face_slice, unsigned level, + enum lp_texture_usage usage, + enum lp_texture_layout layout); + +void * +llvmpipe_get_texture_image_all(struct llvmpipe_resource *lpr, + unsigned level, + enum lp_texture_usage usage, + enum lp_texture_layout layout); + +ubyte * +llvmpipe_get_texture_tile_linear(struct llvmpipe_resource *lpr, + unsigned face_slice, unsigned level, + enum lp_texture_usage usage, + unsigned x, unsigned y); + +ubyte * +llvmpipe_get_texture_tile(struct llvmpipe_resource *lpr, + unsigned face_slice, unsigned level, + enum lp_texture_usage usage, + unsigned x, unsigned y); + + + extern void llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen); +extern void +llvmpipe_init_context_texture_funcs(struct pipe_context *pipe); #endif /* LP_TEXTURE_H */ |