diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_descriptors.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_descriptors.c | 131 |
1 files changed, 125 insertions, 6 deletions
diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c b/src/gallium/drivers/radeonsi/si_descriptors.c index 0b0704c..c323637 100644 --- a/src/gallium/drivers/radeonsi/si_descriptors.c +++ b/src/gallium/drivers/radeonsi/si_descriptors.c @@ -166,11 +166,13 @@ static void si_update_descriptors(struct si_context *sctx, } static void si_emit_shader_pointer(struct si_context *sctx, - struct si_descriptors *desc) + struct r600_atom *atom) { + struct si_descriptors *desc = (struct si_descriptors*)atom; struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs; uint64_t va = r600_resource_va(sctx->b.b.screen, &desc->buffer->b.b) + - desc->current_context_id * desc->context_size; + desc->current_context_id * desc->context_size + + desc->buffer_offset; radeon_emit(cs, PKT3(PKT3_SET_SH_REG, 2, 0)); radeon_emit(cs, (desc->shader_userdata_reg - SI_SH_REG_OFFSET) >> 2); @@ -253,7 +255,7 @@ static void si_emit_descriptors(struct si_context *sctx, desc->current_context_id = new_context_id; /* Now update the shader userdata pointer. */ - si_emit_shader_pointer(sctx, desc); + si_emit_shader_pointer(sctx, &desc->atom); } static unsigned si_get_shader_user_data_base(unsigned shader) @@ -330,7 +332,7 @@ static void si_sampler_views_begin_new_cs(struct si_context *sctx, r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx, views->desc.buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_DATA); - si_emit_shader_pointer(sctx, &views->desc); + si_emit_shader_pointer(sctx, &views->desc.atom); } static void si_set_sampler_view(struct si_context *sctx, unsigned shader, @@ -432,7 +434,7 @@ static void si_sampler_states_begin_new_cs(struct si_context *sctx, { r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx, states->desc.buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_DATA); - si_emit_shader_pointer(sctx, &states->desc); + si_emit_shader_pointer(sctx, &states->desc.atom); } void si_set_sampler_descriptors(struct si_context *sctx, unsigned shader, @@ -533,9 +535,119 @@ static void si_buffer_resources_begin_new_cs(struct si_context *sctx, buffers->desc.buffer, RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_DATA); - si_emit_shader_pointer(sctx, &buffers->desc); + si_emit_shader_pointer(sctx, &buffers->desc.atom); } +/* VERTEX BUFFERS */ + +static void si_vertex_buffers_begin_new_cs(struct si_context *sctx) +{ + struct si_descriptors *desc = &sctx->vertex_buffers; + int count = sctx->vertex_elements ? sctx->vertex_elements->count : 0; + int i; + + for (i = 0; i < count; i++) { + int vb = sctx->vertex_elements->elements[i].vertex_buffer_index; + + if (vb >= sctx->nr_vertex_buffers) + continue; + if (!sctx->vertex_buffer[vb].buffer) + continue; + + r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx, + (struct r600_resource*)sctx->vertex_buffer[vb].buffer, + RADEON_USAGE_READ, RADEON_PRIO_SHADER_BUFFER_RO); + } + r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx, + desc->buffer, RADEON_USAGE_READ, + RADEON_PRIO_SHADER_DATA); + + si_emit_shader_pointer(sctx, &desc->atom); +} + +void si_update_vertex_buffers(struct si_context *sctx) +{ + struct pipe_context *ctx = &sctx->b.b; + struct si_descriptors *desc = &sctx->vertex_buffers; + bool bound[SI_NUM_VERTEX_BUFFERS] = {}; + unsigned i, count = sctx->vertex_elements->count; + uint64_t va; + uint32_t *ptr; + + if (!count || !sctx->vertex_elements) + return; + + /* Vertex buffer descriptors are the only ones which are uploaded + * directly through a staging buffer and don't go through + * the fine-grained upload path. + */ + u_upload_alloc(sctx->b.uploader, 0, count * 16, &desc->buffer_offset, + (struct pipe_resource**)&desc->buffer, (void**)&ptr); + + r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx, + desc->buffer, RADEON_USAGE_READ, + RADEON_PRIO_SHADER_DATA); + + assert(count <= SI_NUM_VERTEX_BUFFERS); + assert(desc->current_context_id == 0); + + for (i = 0; i < count; i++) { + struct pipe_vertex_element *ve = &sctx->vertex_elements->elements[i]; + struct pipe_vertex_buffer *vb; + struct r600_resource *rbuffer; + unsigned offset; + uint32_t *desc = &ptr[i*4]; + + if (ve->vertex_buffer_index >= sctx->nr_vertex_buffers) { + memset(desc, 0, 16); + continue; + } + + vb = &sctx->vertex_buffer[ve->vertex_buffer_index]; + rbuffer = (struct r600_resource*)vb->buffer; + if (rbuffer == NULL) { + memset(desc, 0, 16); + continue; + } + + offset = vb->buffer_offset + ve->src_offset; + + va = r600_resource_va(ctx->screen, (void*)rbuffer); + va += offset; + + /* Fill in T# buffer resource description */ + desc[0] = va & 0xFFFFFFFF; + desc[1] = S_008F04_BASE_ADDRESS_HI(va >> 32) | + S_008F04_STRIDE(vb->stride); + if (vb->stride) + /* Round up by rounding down and adding 1 */ + desc[2] = (vb->buffer->width0 - offset - + sctx->vertex_elements->format_size[i]) / + vb->stride + 1; + else + desc[2] = vb->buffer->width0 - offset; + + desc[3] = sctx->vertex_elements->rsrc_word3[i]; + + if (!bound[ve->vertex_buffer_index]) { + r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx, + (struct r600_resource*)vb->buffer, + RADEON_USAGE_READ, RADEON_PRIO_SHADER_BUFFER_RO); + bound[ve->vertex_buffer_index] = true; + } + } + + desc->atom.num_dw = 8; /* update 2 shader pointers (VS+ES) */ + desc->atom.dirty = true; + + /* Don't flush the const cache. It would have a very negative effect + * on performance (confirmed by testing). New descriptors are always + * uploaded to a fresh new buffer, so I don't think flushing the const + * cache is needed. */ + sctx->b.flags |= R600_CONTEXT_INV_TEX_CACHE; +} + + /* CONSTANT BUFFERS */ void si_upload_const_buffer(struct si_context *sctx, struct r600_resource **rbuffer, @@ -1096,6 +1208,11 @@ void si_init_all_descriptors(struct si_context *sctx) sctx->atoms.s.sampler_states[i] = &sctx->samplers[i].states.desc.atom; } + si_init_descriptors(sctx, &sctx->vertex_buffers, + si_get_shader_user_data_base(PIPE_SHADER_VERTEX) + + SI_SGPR_VERTEX_BUFFER*4, 4, SI_NUM_VERTEX_BUFFERS, + si_emit_shader_pointer); + sctx->atoms.s.vertex_buffers = &sctx->vertex_buffers.atom; /* Set pipe_context functions. */ sctx->b.b.set_constant_buffer = si_set_constant_buffer; @@ -1115,6 +1232,7 @@ void si_release_all_descriptors(struct si_context *sctx) si_release_sampler_views(&sctx->samplers[i].views); si_release_descriptors(&sctx->samplers[i].states.desc); } + si_release_descriptors(&sctx->vertex_buffers); } void si_all_descriptors_begin_new_cs(struct si_context *sctx) @@ -1127,4 +1245,5 @@ void si_all_descriptors_begin_new_cs(struct si_context *sctx) si_sampler_views_begin_new_cs(sctx, &sctx->samplers[i].views); si_sampler_states_begin_new_cs(sctx, &sctx->samplers[i].states); } + si_vertex_buffers_begin_new_cs(sctx); } |