| 0,0 → 1,257 |
|---|
| /************************************************************************** |
| * |
| * Copyright © 2009 Jakob Bornecrantz |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef I915_WINSYS_H |
| #define I915_WINSYS_H |
| |
| #include "pipe/p_compiler.h" |
| |
| struct i915_winsys; |
| struct i915_winsys_buffer; |
| struct i915_winsys_batchbuffer; |
| struct pipe_resource; |
| struct pipe_fence_handle; |
| struct winsys_handle; |
| |
| enum i915_winsys_buffer_usage |
| { |
| /* use on textures */ |
| I915_USAGE_RENDER = 0x01, |
| I915_USAGE_SAMPLER = 0x02, |
| I915_USAGE_2D_TARGET = 0x04, |
| I915_USAGE_2D_SOURCE = 0x08, |
| /* use on vertex */ |
| I915_USAGE_VERTEX = 0x10 |
| }; |
| |
| enum i915_winsys_buffer_type |
| { |
| I915_NEW_TEXTURE, |
| I915_NEW_SCANOUT, /**< a texture used for scanning out from */ |
| I915_NEW_VERTEX |
| }; |
| |
| /* These need to be in sync with the definitions of libdrm-intel! */ |
| enum i915_winsys_buffer_tile |
| { |
| I915_TILE_NONE, |
| I915_TILE_X, |
| I915_TILE_Y |
| }; |
| |
| enum i915_winsys_flush_flags |
| { |
| I915_FLUSH_ASYNC = 0, |
| I915_FLUSH_END_OF_FRAME = 1 |
| }; |
| |
| struct i915_winsys_batchbuffer { |
| |
| struct i915_winsys *iws; |
| |
| /** |
| * Values exported to speed up the writing the batchbuffer, |
| * instead of having to go trough a accesor function for |
| * each dword written. |
| */ |
| /*{@*/ |
| uint8_t *map; |
| uint8_t *ptr; |
| size_t size; |
| |
| size_t relocs; |
| /*@}*/ |
| }; |
| |
| struct i915_winsys { |
| |
| unsigned pci_id; /**< PCI ID for the device */ |
| |
| /** |
| * Batchbuffer functions. |
| */ |
| /*@{*/ |
| /** |
| * Create a new batchbuffer. |
| */ |
| struct i915_winsys_batchbuffer * |
| (*batchbuffer_create)(struct i915_winsys *iws); |
| |
| /** |
| * Validate buffers for usage in this batchbuffer. |
| * Does space-checking and asorted other book-keeping. |
| * |
| * @batch |
| * @buffers array to buffers to validate |
| * @num_of_buffers size of the passed array |
| */ |
| boolean (*validate_buffers)(struct i915_winsys_batchbuffer *batch, |
| struct i915_winsys_buffer **buffers, |
| int num_of_buffers); |
| |
| /** |
| * Emit a relocation to a buffer. |
| * Target position in batchbuffer is the same as ptr. |
| * |
| * @batch |
| * @reloc buffer address to be inserted into target. |
| * @usage how is the hardware going to use the buffer. |
| * @offset add this to the reloc buffers address |
| * @target buffer where to write the address, null for batchbuffer. |
| * @fenced relocation needs a fence. |
| */ |
| int (*batchbuffer_reloc)(struct i915_winsys_batchbuffer *batch, |
| struct i915_winsys_buffer *reloc, |
| enum i915_winsys_buffer_usage usage, |
| unsigned offset, boolean fenced); |
| |
| /** |
| * Flush a bufferbatch. |
| */ |
| void (*batchbuffer_flush)(struct i915_winsys_batchbuffer *batch, |
| struct pipe_fence_handle **fence, |
| enum i915_winsys_flush_flags flags); |
| |
| /** |
| * Destroy a batchbuffer. |
| */ |
| void (*batchbuffer_destroy)(struct i915_winsys_batchbuffer *batch); |
| /*@}*/ |
| |
| |
| /** |
| * Buffer functions. |
| */ |
| /*@{*/ |
| /** |
| * Create a buffer. |
| */ |
| struct i915_winsys_buffer * |
| (*buffer_create)(struct i915_winsys *iws, |
| unsigned size, |
| enum i915_winsys_buffer_type type); |
| |
| /** |
| * Create a tiled buffer. |
| * |
| * *stride, height are in bytes. The winsys tries to allocate the buffer with |
| * the tiling mode provide in *tiling. If tiling is no possible, *tiling will |
| * be set to I915_TILE_NONE. The calculated stride (incorporateing hw/kernel |
| * requirements) is always returned in *stride. |
| */ |
| struct i915_winsys_buffer * |
| (*buffer_create_tiled)(struct i915_winsys *iws, |
| unsigned *stride, unsigned height, |
| enum i915_winsys_buffer_tile *tiling, |
| enum i915_winsys_buffer_type type); |
| |
| /** |
| * Creates a buffer from a handle. |
| * Used to implement pipe_screen::resource_from_handle. |
| * Also provides the stride information needed for the |
| * texture via the stride argument. |
| */ |
| struct i915_winsys_buffer * |
| (*buffer_from_handle)(struct i915_winsys *iws, |
| struct winsys_handle *whandle, |
| enum i915_winsys_buffer_tile *tiling, |
| unsigned *stride); |
| |
| /** |
| * Used to implement pipe_screen::resource_get_handle. |
| * The winsys might need the stride information. |
| */ |
| boolean (*buffer_get_handle)(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer, |
| struct winsys_handle *whandle, |
| unsigned stride); |
| |
| /** |
| * Map a buffer. |
| */ |
| void *(*buffer_map)(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer, |
| boolean write); |
| |
| /** |
| * Unmap a buffer. |
| */ |
| void (*buffer_unmap)(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer); |
| |
| /** |
| * Write to a buffer. |
| * |
| * Arguments follows pipe_buffer_write. |
| */ |
| int (*buffer_write)(struct i915_winsys *iws, |
| struct i915_winsys_buffer *dst, |
| size_t offset, |
| size_t size, |
| const void *data); |
| |
| void (*buffer_destroy)(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer); |
| |
| /** |
| * Check if a buffer is busy. |
| */ |
| boolean (*buffer_is_busy)(struct i915_winsys *iws, |
| struct i915_winsys_buffer *buffer); |
| /*@}*/ |
| |
| |
| /** |
| * Fence functions. |
| */ |
| /*@{*/ |
| /** |
| * Reference fence and set ptr to fence. |
| */ |
| void (*fence_reference)(struct i915_winsys *iws, |
| struct pipe_fence_handle **ptr, |
| struct pipe_fence_handle *fence); |
| |
| /** |
| * Check if a fence has finished. |
| */ |
| int (*fence_signalled)(struct i915_winsys *iws, |
| struct pipe_fence_handle *fence); |
| |
| /** |
| * Wait on a fence to finish. |
| */ |
| int (*fence_finish)(struct i915_winsys *iws, |
| struct pipe_fence_handle *fence); |
| /*@}*/ |
| |
| |
| /** |
| * Destroy the winsys. |
| */ |
| void (*destroy)(struct i915_winsys *iws); |
| }; |
| |
| #endif |