Merge branch 'gallium-userbuf'
[mesa.git] / src / gallium / include / pipe / p_context.h
index 7ec3d63a3fdfdbe80c12f67e3e4cbe3bce6f2911..f59e388123292a9d9f80064011e8af3b56e62467 100644 (file)
 #ifndef PIPE_CONTEXT_H
 #define PIPE_CONTEXT_H
 
-#include "p_state.h"
-
+#include "p_compiler.h"
+#include "p_format.h"
+#include "p_video_enums.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-   
-struct pipe_screen;
+
+struct pipe_blend_color;
+struct pipe_blend_state;
+struct pipe_box;
+struct pipe_clip_state;
+struct pipe_constant_buffer;
+struct pipe_depth_stencil_alpha_state;
+struct pipe_draw_info;
 struct pipe_fence_handle;
-struct pipe_state_cache;
+struct pipe_framebuffer_state;
+struct pipe_index_buffer;
 struct pipe_query;
-struct pipe_winsys;
+struct pipe_poly_stipple;
+struct pipe_rasterizer_state;
+struct pipe_resolve_info;
+struct pipe_resource;
+struct pipe_sampler_state;
+struct pipe_sampler_view;
+struct pipe_scissor_state;
+struct pipe_shader_state;
+struct pipe_stencil_ref;
+struct pipe_stream_output_target;
+struct pipe_surface;
+struct pipe_vertex_buffer;
+struct pipe_vertex_element;
+struct pipe_video_buffer;
+struct pipe_video_decoder;
+struct pipe_viewport_state;
+struct pipe_compute_state;
+union pipe_color_union;
+union pipe_query_result;
 
 /**
  * Gallium rendering context.  Basically:
@@ -49,7 +75,6 @@ struct pipe_winsys;
  *  - surface functions
  */
 struct pipe_context {
-   struct pipe_winsys *winsys;
    struct pipe_screen *screen;
 
    void *priv;  /**< context private data (for DRI for example) */
@@ -61,51 +86,8 @@ struct pipe_context {
     * VBO drawing
     */
    /*@{*/
-   void (*draw_arrays)( struct pipe_context *pipe,
-                        unsigned mode, unsigned start, unsigned count);
-
-   void (*draw_elements)( struct pipe_context *pipe,
-                          struct pipe_resource *indexBuffer,
-                          unsigned indexSize,
-                          int indexBias,
-                          unsigned mode, unsigned start, unsigned count);
-
-   void (*draw_arrays_instanced)(struct pipe_context *pipe,
-                                 unsigned mode,
-                                 unsigned start,
-                                 unsigned count,
-                                 unsigned startInstance,
-                                 unsigned instanceCount);
-
-   void (*draw_elements_instanced)(struct pipe_context *pipe,
-                                   struct pipe_resource *indexBuffer,
-                                   unsigned indexSize,
-                                   int indexBias,
-                                   unsigned mode,
-                                   unsigned start,
-                                   unsigned count,
-                                   unsigned startInstance,
-                                   unsigned instanceCount);
-
-   /* XXX: this is (probably) a temporary entrypoint, as the range
-    * information should be available from the vertex_buffer state.
-    * Using this to quickly evaluate a specialized path in the draw
-    * module.
-    */
-   void (*draw_range_elements)( struct pipe_context *pipe,
-                                struct pipe_resource *indexBuffer,
-                                unsigned indexSize,
-                                int indexBias,
-                                unsigned minIndex,
-                                unsigned maxIndex,
-                                unsigned mode, 
-                                unsigned start, 
-                                unsigned count);
-
-   /**
-    * Draw the stream output buffer at index 0
-    */
-   void (*draw_stream_output)( struct pipe_context *pipe, unsigned mode );
+   void (*draw_vbo)( struct pipe_context *pipe,
+                     const struct pipe_draw_info *info );
    /*@}*/
 
    /**
@@ -138,7 +120,7 @@ struct pipe_context {
    boolean (*get_query_result)(struct pipe_context *pipe,
                                struct pipe_query *q,
                                boolean wait,
-                               void *result);
+                               union pipe_query_result *result);
    /*@}*/
 
    /**
@@ -161,6 +143,10 @@ struct pipe_context {
    void   (*bind_geometry_sampler_states)(struct pipe_context *,
                                           unsigned num_samplers,
                                           void **samplers);
+   void   (*bind_compute_sampler_states)(struct pipe_context *,
+                                         unsigned start_slot,
+                                         unsigned num_samplers,
+                                         void **samplers);
    void   (*delete_sampler_state)(struct pipe_context *, void *);
 
    void * (*create_rasterizer_state)(struct pipe_context *,
@@ -194,11 +180,6 @@ struct pipe_context {
    void   (*bind_vertex_elements_state)(struct pipe_context *, void *);
    void   (*delete_vertex_elements_state)(struct pipe_context *, void *);
 
-   void * (*create_stream_output_state)(struct pipe_context *,
-                                        const struct pipe_stream_output_state *);
-   void   (*bind_stream_output_state)(struct pipe_context *, void *);
-   void   (*delete_stream_output_state)(struct pipe_context*, void*);
-
    /*@}*/
 
    /**
@@ -219,7 +200,7 @@ struct pipe_context {
 
    void (*set_constant_buffer)( struct pipe_context *,
                                 uint shader, uint index,
-                                struct pipe_resource *buf );
+                                struct pipe_constant_buffer *buf );
 
    void (*set_framebuffer_state)( struct pipe_context *,
                                   const struct pipe_framebuffer_state * );
@@ -245,16 +226,53 @@ struct pipe_context {
                                       unsigned num_views,
                                       struct pipe_sampler_view **);
 
+   void (*set_compute_sampler_views)(struct pipe_context *,
+                                     unsigned start_slot, unsigned num_views,
+                                     struct pipe_sampler_view **);
+
+   /**
+    * Bind an array of shader resources that will be used by the
+    * graphics pipeline.  Any resources that were previously bound to
+    * the specified range will be unbound after this call.
+    *
+    * \param first      first resource to bind.
+    * \param count      number of consecutive resources to bind.
+    * \param resources  array of pointers to the resources to bind, it
+    *                   should contain at least \a count elements
+    *                   unless it's NULL, in which case no new
+    *                   resources will be bound.
+    */
+   void (*set_shader_resources)(struct pipe_context *,
+                                unsigned start, unsigned count,
+                                struct pipe_surface **resources);
+
    void (*set_vertex_buffers)( struct pipe_context *,
                                unsigned num_buffers,
                                const struct pipe_vertex_buffer * );
 
-   void (*set_stream_output_buffers)(struct pipe_context *,
-                                     struct pipe_resource **buffers,
-                                     int *offsets, /*array of offsets
-                                                     from the start of each
-                                                     of the buffers */
-                                     int num_buffers);
+   void (*set_index_buffer)( struct pipe_context *pipe,
+                             const struct pipe_index_buffer * );
+
+   /*@}*/
+
+   /**
+    * Stream output functions.
+    */
+   /*@{*/
+
+   struct pipe_stream_output_target *(*create_stream_output_target)(
+                        struct pipe_context *,
+                        struct pipe_resource *,
+                        unsigned buffer_offset,
+                        unsigned buffer_size);
+
+   void (*stream_output_target_destroy)(struct pipe_context *,
+                                        struct pipe_stream_output_target *);
+
+   void (*set_stream_output_targets)(struct pipe_context *,
+                              unsigned num_targets,
+                              struct pipe_stream_output_target **targets,
+                              unsigned append_bitmask);
 
    /*@}*/
 
@@ -273,22 +291,18 @@ struct pipe_context {
     */
    void (*resource_copy_region)(struct pipe_context *pipe,
                                 struct pipe_resource *dst,
-                                struct pipe_subresource subdst,
+                                unsigned dst_level,
                                 unsigned dstx, unsigned dsty, unsigned dstz,
                                 struct pipe_resource *src,
-                                struct pipe_subresource subsrc,
-                                unsigned srcx, unsigned srcy, unsigned srcz,
-                                unsigned width, unsigned height);
+                                unsigned src_level,
+                                const struct pipe_box *src_box);
 
    /**
     * Resolve a multisampled resource into a non-multisampled one.
-    * Source and destination must have the same size and same format.
+    * Source and destination must be of the same format.
     */
    void (*resource_resolve)(struct pipe_context *pipe,
-                            struct pipe_resource *dst,
-                            struct pipe_subresource subdst,
-                            struct pipe_resource *src,
-                            struct pipe_subresource subsrc);
+                            const struct pipe_resolve_info *info);
 
    /*@}*/
 
@@ -297,23 +311,23 @@ struct pipe_context {
     * 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 color  pointer to a union of fiu array 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,
+                 const union pipe_color_union *color,
                  double depth,
                  unsigned stencil);
 
    /**
     * Clear a color rendertarget surface.
-    * \param rgba  pointer to an array of one float for each of r, g, b, a.
+    * \param color  pointer to an union of fiu array for each of r, g, b, a.
     */
    void (*clear_render_target)(struct pipe_context *pipe,
                                struct pipe_surface *dst,
-                               const float *rgba,
+                               const union pipe_color_union *color,
                                unsigned dstx, unsigned dsty,
                                unsigned width, unsigned height);
 
@@ -331,28 +345,11 @@ struct pipe_context {
                                unsigned dstx, unsigned dsty,
                                unsigned width, unsigned height);
 
-   /** Flush rendering
-    * \param flags  bitmask of PIPE_FLUSH_x tokens)
+   /** Flush draw commands
     */
    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 avoid unnecessary flushes.
-    * It is safe (but wasteful) to always return
-    * PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE.
-    * \param pipe  context whose unflushed hw commands will be checked.
-    * \param texture  texture to check.
-    * \param face  cubemap face. Use 0 for non-cubemap texture.
-    * \param level  mipmap level.
-    * \return mask of PIPE_REFERENCED_FOR_READ/WRITE or PIPE_UNREFERENCED
-    */
-   unsigned int (*is_resource_referenced)(struct pipe_context *pipe,
-                                         struct pipe_resource *texture,
-                                         unsigned face, unsigned level);
-
    /**
     * Create a view on a texture to be used by a shader stage.
     */
@@ -364,6 +361,18 @@ struct pipe_context {
                                 struct pipe_sampler_view *view);
 
 
+   /**
+    * Get a surface which is a "view" into a resource, used by
+    * render target / depth stencil stages.
+    * \param usage  bitmaks of PIPE_BIND_* flags
+    */
+   struct pipe_surface *(*create_surface)(struct pipe_context *ctx,
+                                          struct pipe_resource *resource,
+                                          const struct pipe_surface *templat);
+
+   void (*surface_destroy)(struct pipe_context *ctx,
+                           struct pipe_surface *);
+
    /**
     * Get a transfer object for transferring data to/from a texture.
     *
@@ -371,14 +380,14 @@ struct pipe_context {
     * interleaved with
     */
    struct pipe_transfer *(*get_transfer)(struct pipe_context *,
-                                        struct pipe_resource *resource,
-                                        struct pipe_subresource,
-                                        unsigned usage,  /* a combination of PIPE_TRANSFER_x */
-                                        const struct pipe_box *);
+                                         struct pipe_resource *resource,
+                                         unsigned level,
+                                         unsigned usage,  /* a combination of PIPE_TRANSFER_x */
+                                         const struct pipe_box *);
 
    void (*transfer_destroy)(struct pipe_context *,
-                                struct pipe_transfer *);
-   
+                            struct pipe_transfer *);
+
    void *(*transfer_map)( struct pipe_context *,
                           struct pipe_transfer *transfer );
 
@@ -398,14 +407,114 @@ struct pipe_context {
     * pointer.  XXX: strides??
     */
    void (*transfer_inline_write)( struct pipe_context *,
-                                 struct pipe_resource *,
-                                 struct pipe_subresource,
-                                 unsigned usage, /* a combination of PIPE_TRANSFER_x */
-                                 const struct pipe_box *,
-                                 const void *data,
-                                 unsigned stride,
-                                 unsigned slice_stride);
+                                  struct pipe_resource *,
+                                  unsigned level,
+                                  unsigned usage, /* a combination of PIPE_TRANSFER_x */
+                                  const struct pipe_box *,
+                                  const void *data,
+                                  unsigned stride,
+                                  unsigned layer_stride);
+
+   /**
+    * Flush any pending framebuffer writes and invalidate texture caches.
+    */
+   void (*texture_barrier)(struct pipe_context *);
+   
+   /**
+    * Creates a video decoder for a specific video codec/profile
+    */
+   struct pipe_video_decoder *(*create_video_decoder)( struct pipe_context *context,
+                                                       enum pipe_video_profile profile,
+                                                       enum pipe_video_entrypoint entrypoint,
+                                                       enum pipe_video_chroma_format chroma_format,
+                                                       unsigned width, unsigned height, unsigned max_references,
+                                                       bool expect_chunked_decode);
+
+   /**
+    * Creates a video buffer as decoding target
+    */
+   struct pipe_video_buffer *(*create_video_buffer)( struct pipe_context *context,
+                                                     const struct pipe_video_buffer *templat );
+
+   /**
+    * Compute kernel execution
+    */
+   /*@{*/
+   /**
+    * Define the compute program and parameters to be used by
+    * pipe_context::launch_grid.
+    */
+   void *(*create_compute_state)(struct pipe_context *context,
+                                const struct pipe_compute_state *);
+   void (*bind_compute_state)(struct pipe_context *, void *);
+   void (*delete_compute_state)(struct pipe_context *, void *);
+
+   /**
+    * Bind an array of shader resources that will be used by the
+    * compute program.  Any resources that were previously bound to
+    * the specified range will be unbound after this call.
+    *
+    * \param first      first resource to bind.
+    * \param count      number of consecutive resources to bind.
+    * \param resources  array of pointers to the resources to bind, it
+    *                   should contain at least \a count elements
+    *                   unless it's NULL, in which case no new
+    *                   resources will be bound.
+    */
+   void (*set_compute_resources)(struct pipe_context *,
+                                 unsigned start, unsigned count,
+                                 struct pipe_surface **resources);
 
+   /**
+    * Bind an array of buffers to be mapped into the address space of
+    * the GLOBAL resource.  Any buffers that were previously bound
+    * between [first, first + count - 1] are unbound after this call.
+    *
+    * \param first      first buffer to map.
+    * \param count      number of consecutive buffers to map.
+    * \param resources  array of pointers to the buffers to map, it
+    *                   should contain at least \a count elements
+    *                   unless it's NULL, in which case no new
+    *                   resources will be bound.
+    * \param handles    array of pointers to the memory locations that
+    *                   will be filled with the respective base
+    *                   addresses each buffer will be mapped to.  It
+    *                   should contain at least \a count elements,
+    *                   unless \a resources is NULL in which case \a
+    *                   handles should be NULL as well.
+    *
+    * Note that the driver isn't required to make any guarantees about
+    * the contents of the \a handles array being valid anytime except
+    * during the subsequent calls to pipe_context::launch_grid.  This
+    * means that the only sensible location handles[i] may point to is
+    * somewhere within the INPUT buffer itself.  This is so to
+    * accommodate implementations that lack virtual memory but
+    * nevertheless migrate buffers on the fly, leading to resource
+    * base addresses that change on each kernel invocation or are
+    * unknown to the pipe driver.
+    */
+   void (*set_global_binding)(struct pipe_context *context,
+                              unsigned first, unsigned count,
+                              struct pipe_resource **resources,
+                              uint32_t **handles);
+
+   /**
+    * Launch the compute kernel starting from instruction \a pc of the
+    * currently bound compute program.
+    *
+    * \a grid_layout and \a block_layout are arrays of size \a
+    * PIPE_COMPUTE_CAP_GRID_DIMENSION that determine the layout of the
+    * grid (in block units) and working block (in thread units) to be
+    * used, respectively.
+    *
+    * \a input will be used to initialize the INPUT resource, and it
+    * should point to a buffer of at least
+    * pipe_compute_state::req_input_mem bytes.
+    */
+   void (*launch_grid)(struct pipe_context *context,
+                       const uint *block_layout, const uint *grid_layout,
+                       uint32_t pc, const void *input);
+   /*@}*/
 };