diff options
Diffstat (limited to 'src/gallium/include')
| -rw-r--r-- | src/gallium/include/pipe/p_context.h | 21 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_defines.h | 11 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_state.h | 18 |
3 files changed, 44 insertions, 6 deletions
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h index a7f12fb81e..d1b734a9f9 100644 --- a/src/gallium/include/pipe/p_context.h +++ b/src/gallium/include/pipe/p_context.h @@ -214,13 +214,13 @@ struct pipe_context { void (*set_viewport_state)( struct pipe_context *, const struct pipe_viewport_state * ); - void (*set_fragment_sampler_textures)(struct pipe_context *, - unsigned num_textures, - struct pipe_texture **); + void (*set_fragment_sampler_views)(struct pipe_context *, + unsigned num_views, + struct pipe_sampler_view **); - void (*set_vertex_sampler_textures)(struct pipe_context *, - unsigned num_textures, - struct pipe_texture **); + void (*set_vertex_sampler_views)(struct pipe_context *, + unsigned num_views, + struct pipe_sampler_view **); void (*set_vertex_buffers)( struct pipe_context *, unsigned num_buffers, @@ -307,6 +307,15 @@ struct pipe_context { unsigned int (*is_buffer_referenced)(struct pipe_context *pipe, struct pipe_buffer *buf); + /** + * Create a view on a texture to be used by a shader stage. + */ + struct pipe_sampler_view * (*create_sampler_view)(struct pipe_context *ctx, + struct pipe_texture *texture, + const struct pipe_sampler_view *templat); + + void (*sampler_view_destroy)(struct pipe_context *ctx, + struct pipe_sampler_view *view); /** diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 5c97dc87e8..c1e291b9da 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -370,6 +370,17 @@ enum pipe_transfer_usage { /** + * Texture swizzles + */ +#define PIPE_SWIZZLE_RED 0 +#define PIPE_SWIZZLE_GREEN 1 +#define PIPE_SWIZZLE_BLUE 2 +#define PIPE_SWIZZLE_ALPHA 3 +#define PIPE_SWIZZLE_ZERO 4 +#define PIPE_SWIZZLE_ONE 5 + + +/** * Implementation capabilities/limits which are queried through * pipe_screen::get_param() and pipe_screen::get_paramf(). */ diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h index 3a97d888ce..11072407d9 100644 --- a/src/gallium/include/pipe/p_state.h +++ b/src/gallium/include/pipe/p_state.h @@ -300,6 +300,24 @@ struct pipe_surface /** + * A view into a texture that can be bound to a shader stage. + */ +struct pipe_sampler_view +{ + struct pipe_reference reference; + enum pipe_format format; /**< typed PIPE_FORMAT_x */ + struct pipe_texture *texture; /**< texture into which this is a view */ + struct pipe_context *context; /**< context this view belongs to */ + unsigned first_level:8; /**< first mipmap level */ + unsigned last_level:8; /**< last mipmap level */ + unsigned swizzle_r:3; /**< PIPE_SWIZZLE_x for red component */ + unsigned swizzle_g:3; /**< PIPE_SWIZZLE_x for green component */ + unsigned swizzle_b:3; /**< PIPE_SWIZZLE_x for blue component */ + unsigned swizzle_a:3; /**< PIPE_SWIZZLE_x for alpha component */ +}; + + +/** * Transfer object. For data transfer to/from a texture. */ struct pipe_transfer |