diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_winsys.h')
| -rw-r--r-- | src/gallium/drivers/i965/brw_winsys.h | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_winsys.h b/src/gallium/drivers/i965/brw_winsys.h new file mode 100644 index 00000000000..2f470677163 --- /dev/null +++ b/src/gallium/drivers/i965/brw_winsys.h @@ -0,0 +1,307 @@ +/************************************************************************** + * + * 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 BRW_WINSYS_H +#define BRW_WINSYS_H + +#include "pipe/p_compiler.h" +#include "pipe/p_defines.h" +#include "pipe/p_refcnt.h" + +struct brw_winsys; +struct pipe_fence_handle; + +/* Not sure why the winsys needs this: + */ +#define BRW_BATCH_SIZE (32*1024) + +struct brw_winsys_screen; + +/* Need a tiny bit of information inside the abstract buffer struct: + */ +struct brw_winsys_buffer { + struct pipe_reference reference; + struct brw_winsys_screen *sws; + unsigned size; +}; + + +/* Should be possible to validate usages above against buffer creation + * types, below: + */ +enum brw_buffer_type +{ + BRW_BUFFER_TYPE_TEXTURE, + BRW_BUFFER_TYPE_SCANOUT, /**< a texture used for scanning out from */ + BRW_BUFFER_TYPE_VERTEX, + BRW_BUFFER_TYPE_CURBE, + BRW_BUFFER_TYPE_QUERY, + BRW_BUFFER_TYPE_SHADER_CONSTANTS, + BRW_BUFFER_TYPE_SHADER_SCRATCH, + BRW_BUFFER_TYPE_BATCH, + BRW_BUFFER_TYPE_GENERAL_STATE, + BRW_BUFFER_TYPE_SURFACE_STATE, + BRW_BUFFER_TYPE_PIXEL, /* image uploads, pbo's, etc */ + BRW_BUFFER_TYPE_GENERIC, /* unknown */ + BRW_BUFFER_TYPE_MAX /* Count of possible values */ +}; + + +/* Describe the usage of a particular buffer in a relocation. The DRM + * winsys will translate these back to GEM read/write domain flags. + */ +enum brw_buffer_usage { + BRW_USAGE_STATE, /* INSTRUCTION, 0 */ + BRW_USAGE_QUERY_RESULT, /* INSTRUCTION, INSTRUCTION */ + BRW_USAGE_RENDER_TARGET, /* RENDER, 0 */ + BRW_USAGE_DEPTH_BUFFER, /* RENDER, RENDER */ + BRW_USAGE_BLIT_SOURCE, /* RENDER, 0 */ + BRW_USAGE_BLIT_DEST, /* RENDER, RENDER */ + BRW_USAGE_SAMPLER, /* SAMPLER, 0 */ + BRW_USAGE_VERTEX, /* VERTEX, 0 */ + BRW_USAGE_SCRATCH, /* 0, 0 */ + BRW_USAGE_MAX +}; + +enum brw_buffer_data_type { + BRW_DATA_GS_CC_VP, + BRW_DATA_GS_CC_UNIT, + BRW_DATA_GS_WM_PROG, + BRW_DATA_GS_SAMPLER_DEFAULT_COLOR, + BRW_DATA_GS_SAMPLER, + BRW_DATA_GS_WM_UNIT, + BRW_DATA_GS_SF_PROG, + BRW_DATA_GS_SF_VP, + BRW_DATA_GS_SF_UNIT, + BRW_DATA_GS_VS_UNIT, + BRW_DATA_GS_VS_PROG, + BRW_DATA_GS_GS_UNIT, + BRW_DATA_GS_GS_PROG, + BRW_DATA_GS_CLIP_VP, + BRW_DATA_GS_CLIP_UNIT, + BRW_DATA_GS_CLIP_PROG, + BRW_DATA_SS_SURFACE, + BRW_DATA_SS_SURF_BIND, + BRW_DATA_CONSTANT_BUFFER, + BRW_DATA_BATCH_BUFFER, + BRW_DATA_OTHER, + BRW_DATA_MAX +}; + + +/* Matches the i915_drm definitions: + */ +#define BRW_TILING_NONE 0 +#define BRW_TILING_X 1 +#define BRW_TILING_Y 2 + + +/* Relocations to be applied with subdata in a call to sws->bo_subdata, below. + * + * Effectively this encodes: + * + * (unsigned *)(subdata + offset) = bo->offset + delta + */ +struct brw_winsys_reloc { + enum brw_buffer_usage usage; /* debug only */ + unsigned delta; + unsigned offset; + struct brw_winsys_buffer *bo; +}; + +static INLINE void make_reloc(struct brw_winsys_reloc *reloc, + enum brw_buffer_usage usage, + unsigned delta, + unsigned offset, + struct brw_winsys_buffer *bo) +{ + reloc->usage = usage; + reloc->delta = delta; + reloc->offset = offset; + reloc->bo = bo; /* Note - note taking a reference yet */ +} + + + +struct brw_winsys_screen { + + + /** + * Buffer functions. + */ + + /*@{*/ + /** + * Create a buffer. + */ + enum pipe_error (*bo_alloc)(struct brw_winsys_screen *sws, + enum brw_buffer_type type, + unsigned size, + unsigned alignment, + struct brw_winsys_buffer **bo_out); + + /* Destroy a buffer when our refcount goes to zero: + */ + void (*bo_destroy)(struct brw_winsys_buffer *buffer); + + /* delta -- added to b2->offset, and written into buffer + * offset -- location above value is written to within buffer + */ + enum pipe_error (*bo_emit_reloc)(struct brw_winsys_buffer *buffer, + enum brw_buffer_usage usage, + unsigned delta, + unsigned offset, + struct brw_winsys_buffer *b2); + + enum pipe_error (*bo_exec)(struct brw_winsys_buffer *buffer, + unsigned bytes_used); + + enum pipe_error (*bo_subdata)(struct brw_winsys_buffer *buffer, + enum brw_buffer_data_type data_type, + size_t offset, + size_t size, + const void *data, + const struct brw_winsys_reloc *reloc, + unsigned nr_reloc ); + + boolean (*bo_is_busy)(struct brw_winsys_buffer *buffer); + boolean (*bo_references)(struct brw_winsys_buffer *a, + struct brw_winsys_buffer *b); + + /* XXX: couldn't this be handled by returning true/false on + * bo_emit_reloc? + */ + enum pipe_error (*check_aperture_space)(struct brw_winsys_screen *iws, + struct brw_winsys_buffer **buffers, + unsigned count); + + /** + * Map a buffer. + */ + void *(*bo_map)(struct brw_winsys_buffer *buffer, + enum brw_buffer_data_type data_type, + unsigned offset, + unsigned length, + boolean write, + boolean discard, + boolean flush_explicit); + + void (*bo_flush_range)(struct brw_winsys_buffer *buffer, + unsigned offset, + unsigned length); + + /** + * Unmap a buffer. + */ + void (*bo_unmap)(struct brw_winsys_buffer *buffer); + /*@}*/ + + + /* Wait for buffer to go idle. Similar to map+unmap, but doesn't + * mark buffer contents as dirty. + */ + void (*bo_wait_idle)(struct brw_winsys_buffer *buffer); + + /** + * Destroy the winsys. + */ + void (*destroy)(struct brw_winsys_screen *iws); +}; + +static INLINE void * +bo_map_read(struct brw_winsys_screen *sws, struct brw_winsys_buffer *buf) +{ + return sws->bo_map( buf, + BRW_DATA_OTHER, + 0, buf->size, + FALSE, FALSE, FALSE ); +} + +static INLINE void +bo_reference(struct brw_winsys_buffer **ptr, struct brw_winsys_buffer *buf) +{ + struct brw_winsys_buffer *old_buf = *ptr; + + if (pipe_reference((struct pipe_reference **)ptr, &buf->reference)) + old_buf->sws->bo_destroy(old_buf); +} + + +/** + * Create brw pipe_screen. + */ +struct pipe_screen *brw_create_screen(struct brw_winsys_screen *iws, unsigned pci_id); + +/** + * Create a brw pipe_context. + */ +struct pipe_context *brw_create_context(struct pipe_screen *screen); + +/** + * Get the brw_winsys buffer backing the texture. + * + * TODO UGLY + */ +struct pipe_texture; +boolean brw_texture_get_winsys_buffer(struct pipe_texture *texture, + struct brw_winsys_buffer **buffer, + unsigned *stride); + +/** + * Wrap a brw_winsys buffer with a texture blanket. + * + * TODO UGLY + */ +struct pipe_texture * +brw_texture_blanket_winsys_buffer(struct pipe_screen *screen, + const struct pipe_texture *template, + unsigned pitch, + unsigned tiling, + struct brw_winsys_buffer *buffer); + + +/************************************************************************* + * Cooperative dumping between winsys and driver. TODO: make this + * driver-only by wrapping calls to winsys->bo_subdata(). + */ + +#ifdef DEBUG +extern int BRW_DUMP; +#else +#define BRW_DUMP 0 +#endif + +#define DUMP_ASM 0x1 +#define DUMP_STATE 0x2 +#define DUMP_BATCH 0x4 + +void brw_dump_data( unsigned pci_id, + enum brw_buffer_data_type data_type, + unsigned offset, + const void *data, + size_t size ); + + +#endif |