From a277bb20debc413f6ccf46f529497bf8bafa64dd Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Tue, 3 Nov 2009 23:16:02 +0000 Subject: [PATCH] i965g: convert read/write domain pairs into single usage value Easier to understand what's going on in the driver sources, convert stereotype usage values back to GEM read/write domain flags in the winsys. --- src/gallium/drivers/i965/brw_batchbuffer.c | 9 ++-- src/gallium/drivers/i965/brw_batchbuffer.h | 7 ++-- src/gallium/drivers/i965/brw_cc.c | 2 +- src/gallium/drivers/i965/brw_clip_state.c | 2 +- src/gallium/drivers/i965/brw_curbe.c | 2 +- src/gallium/drivers/i965/brw_draw_upload.c | 8 ++-- src/gallium/drivers/i965/brw_gs_state.c | 2 +- src/gallium/drivers/i965/brw_misc_state.c | 18 ++++---- src/gallium/drivers/i965/brw_pipe_query.c | 4 +- src/gallium/drivers/i965/brw_sf_state.c | 4 +- src/gallium/drivers/i965/brw_vs_state.c | 2 +- .../drivers/i965/brw_vs_surface_state.c | 2 +- src/gallium/drivers/i965/brw_winsys.h | 40 ++++++++---------- .../drivers/i965/brw_wm_constant_buffer.c | 2 +- .../drivers/i965/brw_wm_sampler_state.c | 2 +- src/gallium/drivers/i965/brw_wm_state.c | 26 ++++++------ .../drivers/i965/brw_wm_surface_state.c | 6 +-- .../winsys/drm/i965/gem/i965_drm_buffer.c | 42 +++++++++++++++++-- 18 files changed, 104 insertions(+), 76 deletions(-) diff --git a/src/gallium/drivers/i965/brw_batchbuffer.c b/src/gallium/drivers/i965/brw_batchbuffer.c index 72650cdb5d5..fd6b34cb8a8 100644 --- a/src/gallium/drivers/i965/brw_batchbuffer.c +++ b/src/gallium/drivers/i965/brw_batchbuffer.c @@ -168,9 +168,9 @@ _brw_batchbuffer_flush(struct brw_batchbuffer *batch, */ enum pipe_error brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, - struct brw_winsys_buffer *buffer, - uint32_t read_domains, uint32_t write_domain, - uint32_t delta) + struct brw_winsys_buffer *buffer, + uint32_t usage, + uint32_t delta) { int ret; @@ -182,8 +182,7 @@ brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, } ret = batch->sws->bo_emit_reloc(batch->buf, - read_domains, - write_domain, + usage, delta, batch->ptr - batch->map, buffer); diff --git a/src/gallium/drivers/i965/brw_batchbuffer.h b/src/gallium/drivers/i965/brw_batchbuffer.h index d687b79f930..b7186b3757d 100644 --- a/src/gallium/drivers/i965/brw_batchbuffer.h +++ b/src/gallium/drivers/i965/brw_batchbuffer.h @@ -77,8 +77,7 @@ int brw_batchbuffer_data(struct brw_batchbuffer *batch, int brw_batchbuffer_emit_reloc(struct brw_batchbuffer *batch, struct brw_winsys_buffer *buffer, - uint32_t read_domains, - uint32_t write_domain, + enum brw_buffer_usage usage, uint32_t offset); /* Inline functions - might actually be better off with these @@ -125,10 +124,10 @@ brw_batchbuffer_require_space(struct brw_batchbuffer *batch, #define OUT_BATCH(d) brw_batchbuffer_emit_dword(brw->batch, d) -#define OUT_RELOC(buf, read_domains, write_domain, delta) do { \ +#define OUT_RELOC(buf, usage, delta) do { \ assert((unsigned) (delta) < buf->size); \ brw_batchbuffer_emit_reloc(brw->batch, buf, \ - read_domains, write_domain, delta); \ + usage, delta); \ } while (0) #ifdef DEBUG diff --git a/src/gallium/drivers/i965/brw_cc.c b/src/gallium/drivers/i965/brw_cc.c index c6267e1c606..20967f01911 100644 --- a/src/gallium/drivers/i965/brw_cc.c +++ b/src/gallium/drivers/i965/brw_cc.c @@ -151,7 +151,7 @@ cc_unit_create_from_key(struct brw_context *brw, struct brw_cc_unit_key *key) /* Emit CC viewport relocation */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 0, offsetof(struct brw_cc_unit_state, cc4), brw->cc.vp_bo); diff --git a/src/gallium/drivers/i965/brw_clip_state.c b/src/gallium/drivers/i965/brw_clip_state.c index 8be53e4bfb4..6f8309fea92 100644 --- a/src/gallium/drivers/i965/brw_clip_state.c +++ b/src/gallium/drivers/i965/brw_clip_state.c @@ -150,7 +150,7 @@ clip_unit_create_from_key(struct brw_context *brw, /* Emit clip program relocation */ assert(brw->clip.prog_bo); brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, clip.thread0.grf_reg_count << 1, offsetof(struct brw_clip_unit_state, thread0), brw->clip.prog_bo); diff --git a/src/gallium/drivers/i965/brw_curbe.c b/src/gallium/drivers/i965/brw_curbe.c index ed5b250f828..3910174bda5 100644 --- a/src/gallium/drivers/i965/brw_curbe.c +++ b/src/gallium/drivers/i965/brw_curbe.c @@ -323,7 +323,7 @@ static int emit_curbe_buffer(struct brw_context *brw) } else { OUT_BATCH((CMD_CONST_BUFFER << 16) | (1 << 8) | (2 - 2)); OUT_RELOC(brw->curbe.curbe_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, (sz - 1) + brw->curbe.curbe_offset); } ADVANCE_BATCH(); diff --git a/src/gallium/drivers/i965/brw_draw_upload.c b/src/gallium/drivers/i965/brw_draw_upload.c index 040d8ca93ad..f0b7c741c0a 100644 --- a/src/gallium/drivers/i965/brw_draw_upload.c +++ b/src/gallium/drivers/i965/brw_draw_upload.c @@ -300,11 +300,11 @@ static int brw_emit_vertex_buffers( struct brw_context *brw ) BRW_VB0_ACCESS_VERTEXDATA | (brw->vb.vb[i].stride << BRW_VB0_PITCH_SHIFT)); OUT_RELOC(brw->vb.vb[i].bo, - I915_GEM_DOMAIN_VERTEX, 0, + BRW_USAGE_VERTEX, brw->vb.vb[i].offset); if (BRW_IS_IGDNG(brw)) { OUT_RELOC(brw->vb.vb[i].bo, - I915_GEM_DOMAIN_VERTEX, 0, + BRW_USAGE_VERTEX, brw->vb.vb[i].bo->size - 1); } else OUT_BATCH(brw->vb.vb[i].stride ? brw->vb.vb[i].vertex_count : 0); @@ -527,10 +527,10 @@ static int brw_emit_index_buffer(struct brw_context *brw) BEGIN_BATCH(4, IGNORE_CLIPRECTS); OUT_BATCH( ib.header.dword ); OUT_RELOC(brw->ib.bo, - I915_GEM_DOMAIN_VERTEX, 0, + BRW_USAGE_VERTEX, brw->ib.offset); OUT_RELOC(brw->ib.bo, - I915_GEM_DOMAIN_VERTEX, 0, + BRW_USAGE_VERTEX, brw->ib.offset + brw->ib.size - 1); OUT_BATCH( 0 ); ADVANCE_BATCH(); diff --git a/src/gallium/drivers/i965/brw_gs_state.c b/src/gallium/drivers/i965/brw_gs_state.c index 9046969394b..f27f886a651 100644 --- a/src/gallium/drivers/i965/brw_gs_state.c +++ b/src/gallium/drivers/i965/brw_gs_state.c @@ -113,7 +113,7 @@ gs_unit_create_from_key(struct brw_context *brw, struct brw_gs_unit_key *key) if (key->prog_active) { /* Emit GS program relocation */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, gs.thread0.grf_reg_count << 1, offsetof(struct brw_gs_unit_state, thread0), brw->gs.prog_bo); diff --git a/src/gallium/drivers/i965/brw_misc_state.c b/src/gallium/drivers/i965/brw_misc_state.c index 06b9a2d2dfa..e786ea11000 100644 --- a/src/gallium/drivers/i965/brw_misc_state.c +++ b/src/gallium/drivers/i965/brw_misc_state.c @@ -111,7 +111,7 @@ static int upload_binding_table_pointers(struct brw_context *brw) OUT_BATCH(CMD_BINDING_TABLE_PTRS << 16 | (6 - 2)); if (brw->vs.bind_bo != NULL) OUT_RELOC(brw->vs.bind_bo, - I915_GEM_DOMAIN_SAMPLER, 0, + BRW_USAGE_SAMPLER, 0); /* vs */ else OUT_BATCH(0); @@ -119,7 +119,7 @@ static int upload_binding_table_pointers(struct brw_context *brw) OUT_BATCH(0); /* clip */ OUT_BATCH(0); /* sf */ OUT_RELOC(brw->wm.bind_bo, - I915_GEM_DOMAIN_SAMPLER, 0, + BRW_USAGE_SAMPLER, 0); /* wm/ps */ ADVANCE_BATCH(); return 0; @@ -147,25 +147,25 @@ static int upload_pipelined_state_pointers(struct brw_context *brw ) BEGIN_BATCH(7, IGNORE_CLIPRECTS); OUT_BATCH(CMD_PIPELINED_STATE_POINTERS << 16 | (7 - 2)); OUT_RELOC(brw->vs.state_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 0); if (brw->gs.prog_active) OUT_RELOC(brw->gs.state_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 1); else OUT_BATCH(0); OUT_RELOC(brw->clip.state_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 1); OUT_RELOC(brw->sf.state_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 0); OUT_RELOC(brw->wm.state_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 0); OUT_RELOC(brw->cc.state_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 0); ADVANCE_BATCH(); @@ -288,7 +288,7 @@ static int emit_depthbuffer(struct brw_context *brw) ((surface->layout != PIPE_SURFACE_LAYOUT_LINEAR) << 27) | (BRW_SURFACE_2D << 29)); OUT_RELOC(bo, - I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, + BRW_USAGE_DEPTH_BUFFER, surface->offset); OUT_BATCH((BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1) | ((pitch - 1) << 6) | diff --git a/src/gallium/drivers/i965/brw_pipe_query.c b/src/gallium/drivers/i965/brw_pipe_query.c index 18a9b71af07..1fe2f4da4f5 100644 --- a/src/gallium/drivers/i965/brw_pipe_query.c +++ b/src/gallium/drivers/i965/brw_pipe_query.c @@ -193,7 +193,7 @@ brw_emit_query_begin(struct brw_context *brw) * to pick up the results. */ OUT_RELOC(brw->query.bo, - I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + BRW_USAGE_QUERY_RESULT, PIPE_CONTROL_GLOBAL_GTT_WRITE | ((brw->query.index * 2) * sizeof(uint64_t))); OUT_BATCH(0); @@ -234,7 +234,7 @@ brw_emit_query_end(struct brw_context *brw) PIPE_CONTROL_DEPTH_STALL | PIPE_CONTROL_WRITE_DEPTH_COUNT); OUT_RELOC(brw->query.bo, - I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + BRW_USAGE_QUERY_RESULT, PIPE_CONTROL_GLOBAL_GTT_WRITE | ((brw->query.index * 2 + 1) * sizeof(uint64_t))); OUT_BATCH(0); diff --git a/src/gallium/drivers/i965/brw_sf_state.c b/src/gallium/drivers/i965/brw_sf_state.c index 4ab5709d533..31343ff2459 100644 --- a/src/gallium/drivers/i965/brw_sf_state.c +++ b/src/gallium/drivers/i965/brw_sf_state.c @@ -284,14 +284,14 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key, */ /* Emit SF program relocation */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, sf.thread0.grf_reg_count << 1, offsetof(struct brw_sf_unit_state, thread0), brw->sf.prog_bo); /* Emit SF viewport relocation */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, sf.sf5.front_winding | (sf.sf5.viewport_transform << 1), offsetof(struct brw_sf_unit_state, sf5), brw->sf.vp_bo); diff --git a/src/gallium/drivers/i965/brw_vs_state.c b/src/gallium/drivers/i965/brw_vs_state.c index 6a2395dd967..26d5d005faa 100644 --- a/src/gallium/drivers/i965/brw_vs_state.c +++ b/src/gallium/drivers/i965/brw_vs_state.c @@ -149,7 +149,7 @@ vs_unit_create_from_key(struct brw_context *brw, struct brw_vs_unit_key *key) /* Emit VS program relocation */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, vs.thread0.grf_reg_count << 1, offsetof(struct brw_vs_unit_state, thread0), brw->vs.prog_bo); diff --git a/src/gallium/drivers/i965/brw_vs_surface_state.c b/src/gallium/drivers/i965/brw_vs_surface_state.c index 9a9d47a8a3e..32fb9b2a8b9 100644 --- a/src/gallium/drivers/i965/brw_vs_surface_state.c +++ b/src/gallium/drivers/i965/brw_vs_surface_state.c @@ -170,7 +170,7 @@ brw_vs_get_binding_table(struct brw_context *brw) */ drm_intel_bo_emit_reloc(bind_bo, i * 4, brw->vs.surf_bo[i], 0, - I915_GEM_DOMAIN_INSTRUCTION, 0); + BRW_USAGE_STATE); } } diff --git a/src/gallium/drivers/i965/brw_winsys.h b/src/gallium/drivers/i965/brw_winsys.h index d19cd5d248c..d0bd97d9946 100644 --- a/src/gallium/drivers/i965/brw_winsys.h +++ b/src/gallium/drivers/i965/brw_winsys.h @@ -43,25 +43,22 @@ struct brw_winsys_buffer { unsigned size; }; +/* 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 { - I915_GEM_DOMAIN_RENDER, - I915_GEM_DOMAIN_SAMPLER, - I915_GEM_DOMAIN_VERTEX, - I915_GEM_DOMAIN_INSTRUCTION, - - - /* XXX: migrate from domains to explicit usage cases, eg below: - */ - - /* use on textures */ - BRW_USAGE_RENDER = 0x01, - BRW_USAGE_SAMPLER = 0x02, - BRW_USAGE_2D_TARGET = 0x04, - BRW_USAGE_2D_SOURCE = 0x08, - /* use on vertex */ - BRW_USAGE_VERTEX = 0x10, + 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_SAMPLER, /* SAMPLER, 0 */ + BRW_USAGE_VERTEX, /* VERTEX, 0 */ + BRW_USAGE_SCRATCH, /* 0, 0 */ }; +/* Should be possible to validate usages above against buffer creation + * types, below: + */ enum brw_buffer_type { BRW_BUFFER_TYPE_TEXTURE, @@ -70,10 +67,9 @@ enum brw_buffer_type BRW_BUFFER_TYPE_CURBE, BRW_BUFFER_TYPE_QUERY, BRW_BUFFER_TYPE_SHADER_CONSTANTS, - BRW_BUFFER_TYPE_WM_SCRATCH, + BRW_BUFFER_TYPE_SHADER_SCRATCH, BRW_BUFFER_TYPE_BATCH, BRW_BUFFER_TYPE_STATE_CACHE, - BRW_BUFFER_TYPE_MAX /* Count of possible values */ }; @@ -98,12 +94,12 @@ struct brw_winsys_screen { void (*bo_reference)( struct brw_winsys_buffer *buffer ); void (*bo_unreference)( struct brw_winsys_buffer *buffer ); - /* XXX: parameter names!! + /* delta -- added to b2->offset, and written into buffer + * offset -- location above value is written to within buffer */ int (*bo_emit_reloc)( struct brw_winsys_buffer *buffer, - unsigned domain, - unsigned a, - unsigned b, + enum brw_buffer_usage usage, + unsigned delta, unsigned offset, struct brw_winsys_buffer *b2); diff --git a/src/gallium/drivers/i965/brw_wm_constant_buffer.c b/src/gallium/drivers/i965/brw_wm_constant_buffer.c index 7d2533b1048..50ecef29a41 100644 --- a/src/gallium/drivers/i965/brw_wm_constant_buffer.c +++ b/src/gallium/drivers/i965/brw_wm_constant_buffer.c @@ -37,7 +37,7 @@ brw_create_constant_surface( struct brw_context *brw, if (key->bo) { /* Emit relocation to surface contents */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_SAMPLER, 0, + BRW_USAGE_SAMPLER, 0, offsetof(struct brw_surface_state, ss1), key->bo); diff --git a/src/gallium/drivers/i965/brw_wm_sampler_state.c b/src/gallium/drivers/i965/brw_wm_sampler_state.c index d43968c85ac..2909dd38765 100644 --- a/src/gallium/drivers/i965/brw_wm_sampler_state.c +++ b/src/gallium/drivers/i965/brw_wm_sampler_state.c @@ -182,7 +182,7 @@ static int upload_wm_samplers( struct brw_context *brw ) /* Emit SDC relocations */ for (i = 0; i < key.sampler_count; i++) { brw->sws->bo_emit_reloc(brw->wm.sampler_bo, - I915_GEM_DOMAIN_SAMPLER, 0, + BRW_USAGE_SAMPLER, 0, i * sizeof(struct brw_sampler_state) + offsetof(struct brw_sampler_state, ss2), diff --git a/src/gallium/drivers/i965/brw_wm_state.c b/src/gallium/drivers/i965/brw_wm_state.c index 5cfa8fe2d19..ccbb647bcd0 100644 --- a/src/gallium/drivers/i965/brw_wm_state.c +++ b/src/gallium/drivers/i965/brw_wm_state.c @@ -230,27 +230,27 @@ wm_unit_create_from_key(struct brw_context *brw, struct brw_wm_unit_key *key, /* Emit WM program relocation */ brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, - wm.thread0.grf_reg_count << 1, - offsetof(struct brw_wm_unit_state, thread0), - brw->wm.prog_bo); + BRW_USAGE_STATE, + wm.thread0.grf_reg_count << 1, + offsetof(struct brw_wm_unit_state, thread0), + brw->wm.prog_bo); /* Emit scratch space relocation */ if (key->total_scratch != 0) { brw->sws->bo_emit_reloc(bo, - 0, 0, - wm.thread2.per_thread_scratch_space, - offsetof(struct brw_wm_unit_state, thread2), - brw->wm.scratch_bo); + BRW_USAGE_SCRATCH, + wm.thread2.per_thread_scratch_space, + offsetof(struct brw_wm_unit_state, thread2), + brw->wm.scratch_bo); } /* Emit sampler state relocation */ if (key->sampler_count != 0) { brw->sws->bo_emit_reloc(bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, - wm.wm4.stats_enable | (wm.wm4.sampler_count << 2), - offsetof(struct brw_wm_unit_state, wm4), - brw->wm.sampler_bo); + BRW_USAGE_STATE, + wm.wm4.stats_enable | (wm.wm4.sampler_count << 2), + offsetof(struct brw_wm_unit_state, wm4), + brw->wm.sampler_bo); } return bo; @@ -277,7 +277,7 @@ static int upload_wm_unit( struct brw_context *brw ) } if (brw->wm.scratch_bo == NULL) { brw->wm.scratch_bo = brw->sws->bo_alloc(brw->sws, - BRW_BUFFER_TYPE_WM_SCRATCH, + BRW_BUFFER_TYPE_SHADER_SCRATCH, total, 4096); } diff --git a/src/gallium/drivers/i965/brw_wm_surface_state.c b/src/gallium/drivers/i965/brw_wm_surface_state.c index f55a6c4af2e..e5a0ed7d611 100644 --- a/src/gallium/drivers/i965/brw_wm_surface_state.c +++ b/src/gallium/drivers/i965/brw_wm_surface_state.c @@ -60,7 +60,7 @@ brw_update_texture_surface( struct brw_context *brw, /* Emit relocation to surface contents */ brw->sws->bo_emit_reloc(brw->wm.surf_bo[surf], - I915_GEM_DOMAIN_SAMPLER, 0, + BRW_USAGE_SAMPLER, 0, offsetof(struct brw_surface_state, ss1), tex->bo); @@ -117,7 +117,7 @@ brw_update_renderbuffer_surface(struct brw_context *brw, /* XXX: we will only be rendering to this surface: */ brw->sws->bo_emit_reloc(brw->wm.surf_bo[unit], - I915_GEM_DOMAIN_RENDER, 0, + BRW_USAGE_RENDER_TARGET, ss.ss1.base_addr - surface->bo->offset[0], /* XXX */ offsetof(struct brw_surface_state, ss1), surface->bo); @@ -161,7 +161,7 @@ brw_wm_get_binding_table(struct brw_context *brw) /* Emit binding table relocations to surface state */ for (i = 0; i < brw->wm.nr_surfaces; i++) { brw->sws->bo_emit_reloc(bind_bo, - I915_GEM_DOMAIN_INSTRUCTION, 0, + BRW_USAGE_STATE, 0, i * sizeof(GLuint), brw->wm.surf_bo[i]); diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c index 5dbfd2e6b0d..61717d2942d 100644 --- a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c +++ b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c @@ -93,17 +93,51 @@ i965_libdrm_bo_unreference( struct brw_winsys_buffer *buffer ) */ static int i965_libdrm_bo_emit_reloc( struct brw_winsys_buffer *buffer, - unsigned domain, - unsigned a, - unsigned b, + enum brw_buffer_usage usage, + unsigned delta, unsigned offset, struct brw_winsys_buffer *buffer2) { struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); struct i965_libdrm_buffer *buf2 = i965_libdrm_buffer(buffer2); + int read, write; int ret; - ret = dri_bo_emit_reloc( buf->bo, domain, a, b, offset, buf2->bo ); + switch (usage) { + case BRW_USAGE_STATE: + read = I915_GEM_DOMAIN_INSTRUCTION; + write = 0; + break; + case BRW_USAGE_QUERY_RESULT: + read = I915_GEM_DOMAIN_INSTRUCTION; + write = I915_GEM_DOMAIN_INSTRUCTION; + break; + case BRW_USAGE_RENDER_TARGET: + read = I915_GEM_DOMAIN_RENDER; + write = 0; + break; + case BRW_USAGE_DEPTH_BUFFER: + read = I915_GEM_DOMAIN_RENDER; + write = I915_GEM_DOMAIN_RENDER; + break; + case BRW_USAGE_SAMPLER: + read = I915_GEM_DOMAIN_SAMPLER; + write = 0; + break; + case BRW_USAGE_VERTEX: + read = I915_GEM_DOMAIN_VERTEX; + write = 0; + break; + case BRW_USAGE_SCRATCH: + read = 0; + write = 0; + break; + default: + assert(0); + return -1; + } + + ret = dri_bo_emit_reloc( buf->bo, read, write, delta, offset, buf2->bo ); if (ret) return -1; -- 2.30.2