| /************************************************************************** |
| * |
| * Copyright 2011 Marek Olšák <maraeo@gmail.com> |
| * All Rights Reserved. |
| * |
| * 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, sub license, 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 NON-INFRINGEMENT. |
| * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS 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. |
| * |
| **************************************************************************/ |
| |
| #include "util/u_vbuf.h" |
| |
| #include "util/u_dump.h" |
| #include "util/u_format.h" |
| #include "util/u_inlines.h" |
| #include "util/u_memory.h" |
| #include "util/u_upload_mgr.h" |
| #include "translate/translate.h" |
| #include "translate/translate_cache.h" |
| #include "cso_cache/cso_cache.h" |
| #include "cso_cache/cso_hash.h" |
| |
| struct u_vbuf_elements { |
| unsigned count; |
| struct pipe_vertex_element ve[PIPE_MAX_ATTRIBS]; |
| |
| unsigned src_format_size[PIPE_MAX_ATTRIBS]; |
| |
| /* If (velem[i].src_format != native_format[i]), the vertex buffer |
| * referenced by the vertex element cannot be used for rendering and |
| * its vertex data must be translated to native_format[i]. */ |
| enum pipe_format native_format[PIPE_MAX_ATTRIBS]; |
| unsigned native_format_size[PIPE_MAX_ATTRIBS]; |
| |
| /* This might mean two things: |
| * - src_format != native_format, as discussed above. |
| * - src_offset % 4 != 0 (if the caps don't allow such an offset). */ |
| uint32_t incompatible_elem_mask; /* each bit describes a corresp. attrib */ |
| /* Which buffer has at least one vertex element referencing it |
| * incompatible. */ |
| uint32_t incompatible_vb_mask_any; |
| /* Which buffer has all vertex elements referencing it incompatible. */ |
| uint32_t incompatible_vb_mask_all; |
| /* Which buffer has at least one vertex element referencing it |
| * compatible. */ |
| uint32_t compatible_vb_mask_any; |
| /* Which buffer has all vertex elements referencing it compatible. */ |
| uint32_t compatible_vb_mask_all; |
| |
| /* Which buffer has at least one vertex element referencing it |
| * non-instanced. */ |
| uint32_t noninstance_vb_mask_any; |
| |
| void *driver_cso; |
| }; |
| |
| enum { |
| VB_VERTEX = 0, |
| VB_INSTANCE = 1, |
| VB_CONST = 2, |
| VB_NUM = 3 |
| }; |
| |
| struct u_vbuf { |
| struct u_vbuf_caps caps; |
| |
| struct pipe_context *pipe; |
| struct translate_cache *translate_cache; |
| struct cso_cache *cso_cache; |
| struct u_upload_mgr *uploader; |
| |
| /* This is what was set in set_vertex_buffers. |
| * May contain user buffers. */ |
| struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; |
| unsigned nr_vertex_buffers; |
| |
| /* Saved vertex buffers. */ |
| struct pipe_vertex_buffer vertex_buffer_saved[PIPE_MAX_ATTRIBS]; |
| unsigned nr_vertex_buffers_saved; |
| |
| /* Vertex buffers for the driver. |
| * There are no user buffers. */ |
| struct pipe_vertex_buffer real_vertex_buffer[PIPE_MAX_ATTRIBS]; |
| int nr_real_vertex_buffers; |
| boolean vertex_buffers_dirty; |
| |
| /* The index buffer. */ |
| struct pipe_index_buffer index_buffer; |
| |
| /* Vertex elements. */ |
| struct u_vbuf_elements *ve, *ve_saved; |
| |
| /* Vertex elements used for the translate fallback. */ |
| struct pipe_vertex_element fallback_velems[PIPE_MAX_ATTRIBS]; |
| /* If non-NULL, this is a vertex element state used for the translate |
| * fallback and therefore used for rendering too. */ |
| boolean using_translate; |
| /* The vertex buffer slot index where translated vertices have been |
| * stored in. */ |
| unsigned fallback_vbs[VB_NUM]; |
| |
| /* Which buffer is a user buffer. */ |
| uint32_t user_vb_mask; /* each bit describes a corresp. buffer */ |
| /* Which buffer is incompatible (unaligned). */ |
| uint32_t incompatible_vb_mask; /* each bit describes a corresp. buffer */ |
| /* Which buffer has a non-zero stride. */ |
| uint32_t nonzero_stride_vb_mask; /* each bit describes a corresp. buffer */ |
| }; |
| |
| static void * |
| u_vbuf_create_vertex_elements(struct u_vbuf *mgr, unsigned count, |
| const struct pipe_vertex_element *attribs); |
| static void u_vbuf_delete_vertex_elements(struct u_vbuf *mgr, void *cso); |
| |
| |
| void u_vbuf_get_caps(struct pipe_screen *screen, struct u_vbuf_caps *caps) |
| { |
| caps->format_fixed32 = |
| screen->is_format_supported(screen, PIPE_FORMAT_R32_FIXED, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER); |
| |
| caps->format_float16 = |
| screen->is_format_supported(screen, PIPE_FORMAT_R16_FLOAT, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER); |
| |
| caps->format_float64 = |
| screen->is_format_supported(screen, PIPE_FORMAT_R64_FLOAT, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER); |
| |
| caps->format_norm32 = |
| screen->is_format_supported(screen, PIPE_FORMAT_R32_UNORM, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER) && |
| screen->is_format_supported(screen, PIPE_FORMAT_R32_SNORM, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER); |
| |
| caps->format_scaled32 = |
| screen->is_format_supported(screen, PIPE_FORMAT_R32_USCALED, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER) && |
| screen->is_format_supported(screen, PIPE_FORMAT_R32_SSCALED, PIPE_BUFFER, |
| 0, PIPE_BIND_VERTEX_BUFFER); |
| |
| caps->buffer_offset_unaligned = |
| !screen->get_param(screen, |
| PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY); |
| |
| caps->buffer_stride_unaligned = |
| !screen->get_param(screen, |
| PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY); |
| |
| caps->velem_src_offset_unaligned = |
| !screen->get_param(screen, |
| PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY); |
| |
| caps->user_vertex_buffers = |
| screen->get_param(screen, PIPE_CAP_USER_VERTEX_BUFFERS); |
| } |
| |
| struct u_vbuf * |
| u_vbuf_create(struct pipe_context *pipe, |
| struct u_vbuf_caps *caps) |
| { |
| struct u_vbuf *mgr = CALLOC_STRUCT(u_vbuf); |
| |
| mgr->caps = *caps; |
| mgr->pipe = pipe; |
| mgr->cso_cache = cso_cache_create(); |
| mgr->translate_cache = translate_cache_create(); |
| memset(mgr->fallback_vbs, ~0, sizeof(mgr->fallback_vbs)); |
| |
| mgr->uploader = u_upload_create(pipe, 1024 * 1024, 4, |
| PIPE_BIND_VERTEX_BUFFER); |
| |
| return mgr; |
| } |
| |
| /* u_vbuf uses its own caching for vertex elements, because it needs to keep |
| * its own preprocessed state per vertex element CSO. */ |
| static struct u_vbuf_elements * |
| u_vbuf_set_vertex_elements_internal(struct u_vbuf *mgr, unsigned count, |
| const struct pipe_vertex_element *states) |
| { |
| struct pipe_context *pipe = mgr->pipe; |
| unsigned key_size, hash_key; |
| struct cso_hash_iter iter; |
| struct u_vbuf_elements *ve; |
| struct cso_velems_state velems_state; |
| |
| /* need to include the count into the stored state data too. */ |
| key_size = sizeof(struct pipe_vertex_element) * count + sizeof(unsigned); |
| velems_state.count = count; |
| memcpy(velems_state.velems, states, |
| sizeof(struct pipe_vertex_element) * count); |
| hash_key = cso_construct_key((void*)&velems_state, key_size); |
| iter = cso_find_state_template(mgr->cso_cache, hash_key, CSO_VELEMENTS, |
| (void*)&velems_state, key_size); |
| |
| if (cso_hash_iter_is_null(iter)) { |
| struct cso_velements *cso = MALLOC_STRUCT(cso_velements); |
| memcpy(&cso->state, &velems_state, key_size); |
| cso->data = u_vbuf_create_vertex_elements(mgr, count, states); |
| cso->delete_state = (cso_state_callback)u_vbuf_delete_vertex_elements; |
| cso->context = (void*)mgr; |
| |
| iter = cso_insert_state(mgr->cso_cache, hash_key, CSO_VELEMENTS, cso); |
| ve = cso->data; |
| } else { |
| ve = ((struct cso_velements *)cso_hash_iter_data(iter))->data; |
| } |
| |
| assert(ve); |
| |
| if (ve != mgr->ve) |
| pipe->bind_vertex_elements_state(pipe, ve->driver_cso); |
| return ve; |
| } |
| |
| void u_vbuf_set_vertex_elements(struct u_vbuf *mgr, unsigned count, |
| const struct pipe_vertex_element *states) |
| { |
| mgr->ve = u_vbuf_set_vertex_elements_internal(mgr, count, states); |
| } |
| |
| void u_vbuf_destroy(struct u_vbuf *mgr) |
| { |
| unsigned i; |
| |
| mgr->pipe->set_vertex_buffers(mgr->pipe, 0, NULL); |
| |
| for (i = 0; i < mgr->nr_vertex_buffers; i++) { |
| pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL); |
| } |
| for (i = 0; i < mgr->nr_real_vertex_buffers; i++) { |
| pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL); |
| } |
| |
| translate_cache_destroy(mgr->translate_cache); |
| u_upload_destroy(mgr->uploader); |
| cso_cache_delete(mgr->cso_cache); |
| FREE(mgr); |
| } |
| |
| static enum pipe_error |
| u_vbuf_translate_buffers(struct u_vbuf *mgr, struct translate_key *key, |
| unsigned vb_mask, unsigned out_vb, |
| int start_vertex, unsigned num_vertices, |
| int start_index, unsigned num_indices, int min_index, |
| boolean unroll_indices) |
| { |
| struct translate *tr; |
| struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0}; |
| struct pipe_resource *out_buffer = NULL; |
| uint8_t *out_map; |
| unsigned out_offset, i; |
| enum pipe_error err; |
| |
| /* Get a translate object. */ |
| tr = translate_cache_find(mgr->translate_cache, key); |
| |
| /* Map buffers we want to translate. */ |
| for (i = 0; i < mgr->nr_vertex_buffers; i++) { |
| if (vb_mask & (1 << i)) { |
| struct pipe_vertex_buffer *vb = &mgr->vertex_buffer[i]; |
| unsigned offset = vb->buffer_offset + vb->stride * start_vertex; |
| uint8_t *map; |
| |
| if (vb->user_buffer) { |
| map = (uint8_t*)vb->user_buffer + offset; |
| } else { |
| unsigned size = vb->stride ? num_vertices * vb->stride |
| : sizeof(double)*4; |
| |
| if (offset+size > vb->buffer->width0) { |
| size = vb->buffer->width0 - offset; |
| } |
| |
| map = pipe_buffer_map_range(mgr->pipe, vb->buffer, offset, size, |
| PIPE_TRANSFER_READ, &vb_transfer[i]); |
| } |
| |
| /* Subtract min_index so that indexing with the index buffer works. */ |
| if (unroll_indices) { |
| map -= vb->stride * min_index; |
| } |
| |
| tr->set_buffer(tr, i, map, vb->stride, ~0); |
| } |
| } |
| |
| /* Translate. */ |
| if (unroll_indices) { |
| struct pipe_index_buffer *ib = &mgr->index_buffer; |
| struct pipe_transfer *transfer = NULL; |
| unsigned offset = ib->offset + start_index * ib->index_size; |
| uint8_t *map; |
| |
| assert((ib->buffer || ib->user_buffer) && ib->index_size); |
| |
| /* Create and map the output buffer. */ |
| err = u_upload_alloc(mgr->uploader, 0, |
| key->output_stride * num_indices, |
| &out_offset, &out_buffer, |
| (void**)&out_map); |
| if (err != PIPE_OK) |
| return err; |
| |
| if (ib->user_buffer) { |
| map = (uint8_t*)ib->user_buffer + offset; |
| } else { |
| map = pipe_buffer_map_range(mgr->pipe, ib->buffer, offset, |
| num_indices * ib->index_size, |
| PIPE_TRANSFER_READ, &transfer); |
| } |
| |
| switch (ib->index_size) { |
| case 4: |
| tr->run_elts(tr, (unsigned*)map, num_indices, 0, out_map); |
| break; |
| case 2: |
| tr->run_elts16(tr, (uint16_t*)map, num_indices, 0, out_map); |
| break; |
| case 1: |
| tr->run_elts8(tr, map, num_indices, 0, out_map); |
| break; |
| } |
| |
| if (transfer) { |
| pipe_buffer_unmap(mgr->pipe, transfer); |
| } |
| } else { |
| /* Create and map the output buffer. */ |
| err = u_upload_alloc(mgr->uploader, |
| key->output_stride * start_vertex, |
| key->output_stride * num_vertices, |
| &out_offset, &out_buffer, |
| (void**)&out_map); |
| if (err != PIPE_OK) |
| return err; |
| |
| out_offset -= key->output_stride * start_vertex; |
| |
| tr->run(tr, 0, num_vertices, 0, out_map); |
| } |
| |
| /* Unmap all buffers. */ |
| for (i = 0; i < mgr->nr_vertex_buffers; i++) { |
| if (vb_transfer[i]) { |
| pipe_buffer_unmap(mgr->pipe, vb_transfer[i]); |
| } |
| } |
| |
| /* Setup the new vertex buffer. */ |
| mgr->real_vertex_buffer[out_vb].buffer_offset = out_offset; |
| mgr->real_vertex_buffer[out_vb].stride = key->output_stride; |
| |
| /* Move the buffer reference. */ |
| pipe_resource_reference( |
| &mgr->real_vertex_buffer[out_vb].buffer, NULL); |
| mgr->real_vertex_buffer[out_vb].buffer = out_buffer; |
| |
| return PIPE_OK; |
| } |
| |
| static boolean |
| u_vbuf_translate_find_free_vb_slots(struct u_vbuf *mgr, |
| unsigned mask[VB_NUM]) |
| { |
| unsigned type; |
| unsigned fallback_vbs[VB_NUM]; |
| /* Set the bit for each buffer which is incompatible, or isn't set. */ |
| uint32_t unused_vb_mask = |
| mgr->ve->incompatible_vb_mask_all | mgr->incompatible_vb_mask | |
| ~((1 << mgr->nr_vertex_buffers) - 1); |
| |
| memset(fallback_vbs, ~0, sizeof(fallback_vbs)); |
| |
| /* Find free slots for each type if needed. */ |
| for (type = 0; type < VB_NUM; type++) { |
| if (mask[type]) { |
| uint32_t index; |
| |
| if (!unused_vb_mask) { |
| /* fail, reset the number to its original value */ |
| mgr->nr_real_vertex_buffers = mgr->nr_vertex_buffers; |
| return FALSE; |
| } |
| |
| index = ffs(unused_vb_mask) - 1; |
| fallback_vbs[type] = index; |
| if (index >= mgr->nr_real_vertex_buffers) { |
| mgr->nr_real_vertex_buffers = index + 1; |
| } |
| /*printf("found slot=%i for type=%i\n", index, type);*/ |
| } |
| } |
| |
| memcpy(mgr->fallback_vbs, fallback_vbs, sizeof(fallback_vbs)); |
| return TRUE; |
| } |
| |
| static boolean |
| u_vbuf_translate_begin(struct u_vbuf *mgr, |
| int start_vertex, unsigned num_vertices, |
| int start_instance, unsigned num_instances, |
| int start_index, unsigned num_indices, int min_index, |
| boolean unroll_indices) |
| { |
| unsigned mask[VB_NUM] = {0}; |
| struct translate_key key[VB_NUM]; |
| unsigned elem_index[VB_NUM][PIPE_MAX_ATTRIBS]; /* ... into key.elements */ |
| unsigned i, type; |
| |
| int start[VB_NUM] = { |
| start_vertex, /* VERTEX */ |
| start_instance, /* INSTANCE */ |
| 0 /* CONST */ |
| }; |
| |
| unsigned num[VB_NUM] = { |
| num_vertices, /* VERTEX */ |
| num_instances, /* INSTANCE */ |
| 1 /* CONST */ |
| }; |
| |
| memset(key, 0, sizeof(key)); |
| memset(elem_index, ~0, sizeof(elem_index)); |
| |
| /* See if there are vertex attribs of each type to translate and |
| * which ones. */ |
| for (i = 0; i < mgr->ve->count; i++) { |
| unsigned vb_index = mgr->ve->ve[i].vertex_buffer_index; |
| |
| if (!mgr->vertex_buffer[vb_index].stride) { |
| if (!(mgr->ve->incompatible_elem_mask & (1 << i)) && |
| !(mgr->incompatible_vb_mask & (1 << vb_index))) { |
| continue; |
| } |
| mask[VB_CONST] |= 1 << vb_index; |
| } else if (mgr->ve->ve[i].instance_divisor) { |
| if (!(mgr->ve->incompatible_elem_mask & (1 << i)) && |
| !(mgr->incompatible_vb_mask & (1 << vb_index))) { |
| continue; |
| } |
| mask[VB_INSTANCE] |= 1 << vb_index; |
| } else { |
| if (!unroll_indices && |
| !(mgr->ve->incompatible_elem_mask & (1 << i)) && |
| !(mgr->incompatible_vb_mask & (1 << vb_index))) { |
| continue; |
| } |
| mask[VB_VERTEX] |= 1 << vb_index; |
| } |
| } |
| |
| assert(mask[VB_VERTEX] || mask[VB_INSTANCE] || mask[VB_CONST]); |
| |
| /* Find free vertex buffer slots. */ |
| if (!u_vbuf_translate_find_free_vb_slots(mgr, mask)) { |
| return FALSE; |
| } |
| |
| /* Initialize the translate keys. */ |
| for (i = 0; i < mgr->ve->count; i++) { |
| struct translate_key *k; |
| struct translate_element *te; |
| unsigned bit, vb_index = mgr->ve->ve[i].vertex_buffer_index; |
| bit = 1 << vb_index; |
| |
| if (!(mgr->ve->incompatible_elem_mask & (1 << i)) && |
| !(mgr->incompatible_vb_mask & (1 << vb_index)) && |
| (!unroll_indices || !(mask[VB_VERTEX] & bit))) { |
| continue; |
| } |
| |
| /* Set type to what we will translate. |
| * Whether vertex, instance, or constant attribs. */ |
| for (type = 0; type < VB_NUM; type++) { |
| if (mask[type] & bit) { |
| break; |
| } |
| } |
| assert(type < VB_NUM); |
| assert(translate_is_output_format_supported(mgr->ve->native_format[i])); |
| /*printf("velem=%i type=%i\n", i, type);*/ |
| |
| /* Add the vertex element. */ |
| k = &key[type]; |
| elem_index[type][i] = k->nr_elements; |
| |
| te = &k->element[k->nr_elements]; |
| te->type = TRANSLATE_ELEMENT_NORMAL; |
| te->instance_divisor = 0; |
| te->input_buffer = vb_index; |
| te->input_format = mgr->ve->ve[i].src_format; |
| te->input_offset = mgr->ve->ve[i].src_offset; |
| te->output_format = mgr->ve->native_format[i]; |
| te->output_offset = k->output_stride; |
| |
| k->output_stride += mgr->ve->native_format_size[i]; |
| k->nr_elements++; |
| } |
| |
| /* Translate buffers. */ |
| for (type = 0; type < VB_NUM; type++) { |
| if (key[type].nr_elements) { |
| enum pipe_error err; |
| err = u_vbuf_translate_buffers(mgr, &key[type], mask[type], |
| mgr->fallback_vbs[type], |
| start[type], num[type], |
| start_index, num_indices, min_index, |
| unroll_indices && type == VB_VERTEX); |
| if (err != PIPE_OK) |
| return FALSE; |
| |
| /* Fixup the stride for constant attribs. */ |
| if (type == VB_CONST) { |
| mgr->real_vertex_buffer[mgr->fallback_vbs[VB_CONST]].stride = 0; |
| } |
| } |
| } |
| |
| /* Setup new vertex elements. */ |
| for (i = 0; i < mgr->ve->count; i++) { |
| for (type = 0; type < VB_NUM; type++) { |
| if (elem_index[type][i] < key[type].nr_elements) { |
| struct translate_element *te = &key[type].element[elem_index[type][i]]; |
| mgr->fallback_velems[i].instance_divisor = mgr->ve->ve[i].instance_divisor; |
| mgr->fallback_velems[i].src_format = te->output_format; |
| mgr->fallback_velems[i].src_offset = te->output_offset; |
| mgr->fallback_velems[i].vertex_buffer_index = mgr->fallback_vbs[type]; |
| |
| /* elem_index[type][i] can only be set for one type. */ |
| assert(type > VB_INSTANCE || elem_index[type+1][i] == ~0); |
| assert(type > VB_VERTEX || elem_index[type+2][i] == ~0); |
| break; |
| } |
| } |
| /* No translating, just copy the original vertex element over. */ |
| if (type == VB_NUM) { |
| memcpy(&mgr->fallback_velems[i], &mgr->ve->ve[i], |
| sizeof(struct pipe_vertex_element)); |
| } |
| } |
| |
| u_vbuf_set_vertex_elements_internal(mgr, mgr->ve->count, |
| mgr->fallback_velems); |
| mgr->using_translate = TRUE; |
| return TRUE; |
| } |
| |
| static void u_vbuf_translate_end(struct u_vbuf *mgr) |
| { |
| unsigned i; |
| |
| /* Restore vertex elements. */ |
| mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->ve->driver_cso); |
| mgr->using_translate = FALSE; |
| |
| /* Unreference the now-unused VBOs. */ |
| for (i = 0; i < VB_NUM; i++) { |
| unsigned vb = mgr->fallback_vbs[i]; |
| if (vb != ~0) { |
| pipe_resource_reference(&mgr->real_vertex_buffer[vb].buffer, NULL); |
| mgr->fallback_vbs[i] = ~0; |
| } |
| } |
| mgr->nr_real_vertex_buffers = mgr->nr_vertex_buffers; |
| } |
| |
| #define FORMAT_REPLACE(what, withwhat) \ |
| case PIPE_FORMAT_##what: format = PIPE_FORMAT_##withwhat; break |
| |
| static void * |
| u_vbuf_create_vertex_elements(struct u_vbuf *mgr, unsigned count, |
| const struct pipe_vertex_element *attribs) |
| { |
| struct pipe_context *pipe = mgr->pipe; |
| unsigned i; |
| struct pipe_vertex_element driver_attribs[PIPE_MAX_ATTRIBS]; |
| struct u_vbuf_elements *ve = CALLOC_STRUCT(u_vbuf_elements); |
| uint32_t used_buffers = 0; |
| |
| ve->count = count; |
| |
| memcpy(ve->ve, attribs, sizeof(struct pipe_vertex_element) * count); |
| memcpy(driver_attribs, attribs, sizeof(struct pipe_vertex_element) * count); |
| |
| /* Set the best native format in case the original format is not |
| * supported. */ |
| for (i = 0; i < count; i++) { |
| enum pipe_format format = ve->ve[i].src_format; |
| |
| ve->src_format_size[i] = util_format_get_blocksize(format); |
| |
| used_buffers |= 1 << ve->ve[i].vertex_buffer_index; |
| |
| if (!ve->ve[i].instance_divisor) { |
| ve->noninstance_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index; |
| } |
| |
| /* Choose a native format. |
| * For now we don't care about the alignment, that's going to |
| * be sorted out later. */ |
| if (!mgr->caps.format_fixed32) { |
| switch (format) { |
| FORMAT_REPLACE(R32_FIXED, R32_FLOAT); |
| FORMAT_REPLACE(R32G32_FIXED, R32G32_FLOAT); |
| FORMAT_REPLACE(R32G32B32_FIXED, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R32G32B32A32_FIXED, R32G32B32A32_FLOAT); |
| default:; |
| } |
| } |
| if (!mgr->caps.format_float16) { |
| switch (format) { |
| FORMAT_REPLACE(R16_FLOAT, R32_FLOAT); |
| FORMAT_REPLACE(R16G16_FLOAT, R32G32_FLOAT); |
| FORMAT_REPLACE(R16G16B16_FLOAT, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R16G16B16A16_FLOAT, R32G32B32A32_FLOAT); |
| default:; |
| } |
| } |
| if (!mgr->caps.format_float64) { |
| switch (format) { |
| FORMAT_REPLACE(R64_FLOAT, R32_FLOAT); |
| FORMAT_REPLACE(R64G64_FLOAT, R32G32_FLOAT); |
| FORMAT_REPLACE(R64G64B64_FLOAT, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R64G64B64A64_FLOAT, R32G32B32A32_FLOAT); |
| default:; |
| } |
| } |
| if (!mgr->caps.format_norm32) { |
| switch (format) { |
| FORMAT_REPLACE(R32_UNORM, R32_FLOAT); |
| FORMAT_REPLACE(R32G32_UNORM, R32G32_FLOAT); |
| FORMAT_REPLACE(R32G32B32_UNORM, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R32G32B32A32_UNORM, R32G32B32A32_FLOAT); |
| FORMAT_REPLACE(R32_SNORM, R32_FLOAT); |
| FORMAT_REPLACE(R32G32_SNORM, R32G32_FLOAT); |
| FORMAT_REPLACE(R32G32B32_SNORM, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R32G32B32A32_SNORM, R32G32B32A32_FLOAT); |
| default:; |
| } |
| } |
| if (!mgr->caps.format_scaled32) { |
| switch (format) { |
| FORMAT_REPLACE(R32_USCALED, R32_FLOAT); |
| FORMAT_REPLACE(R32G32_USCALED, R32G32_FLOAT); |
| FORMAT_REPLACE(R32G32B32_USCALED, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R32G32B32A32_USCALED,R32G32B32A32_FLOAT); |
| FORMAT_REPLACE(R32_SSCALED, R32_FLOAT); |
| FORMAT_REPLACE(R32G32_SSCALED, R32G32_FLOAT); |
| FORMAT_REPLACE(R32G32B32_SSCALED, R32G32B32_FLOAT); |
| FORMAT_REPLACE(R32G32B32A32_SSCALED,R32G32B32A32_FLOAT); |
| default:; |
| } |
| } |
| |
| driver_attribs[i].src_format = format; |
| ve->native_format[i] = format; |
| ve->native_format_size[i] = |
| util_format_get_blocksize(ve->native_format[i]); |
| |
| if (ve->ve[i].src_format != format || |
| (!mgr->caps.velem_src_offset_unaligned && |
| ve->ve[i].src_offset % 4 != 0)) { |
| ve->incompatible_elem_mask |= 1 << i; |
| ve->incompatible_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index; |
| } else { |
| ve->compatible_vb_mask_any |= 1 << ve->ve[i].vertex_buffer_index; |
| } |
| } |
| |
| ve->compatible_vb_mask_all = ~ve->incompatible_vb_mask_any & used_buffers; |
| ve->incompatible_vb_mask_all = ~ve->compatible_vb_mask_any & used_buffers; |
| |
| /* Align the formats to the size of DWORD if needed. */ |
| if (!mgr->caps.velem_src_offset_unaligned) { |
| for (i = 0; i < count; i++) { |
| ve->native_format_size[i] = align(ve->native_format_size[i], 4); |
| } |
| } |
| |
| ve->driver_cso = |
| pipe->create_vertex_elements_state(pipe, count, driver_attribs); |
| return ve; |
| } |
| |
| static void u_vbuf_delete_vertex_elements(struct u_vbuf *mgr, void *cso) |
| { |
| struct pipe_context *pipe = mgr->pipe; |
| struct u_vbuf_elements *ve = cso; |
| |
| pipe->delete_vertex_elements_state(pipe, ve->driver_cso); |
| FREE(ve); |
| } |
| |
| void u_vbuf_set_vertex_buffers(struct u_vbuf *mgr, unsigned count, |
| const struct pipe_vertex_buffer *bufs) |
| { |
| unsigned i; |
| |
| mgr->user_vb_mask = 0; |
| mgr->incompatible_vb_mask = 0; |
| mgr->nonzero_stride_vb_mask = 0; |
| |
| for (i = 0; i < count; i++) { |
| const struct pipe_vertex_buffer *vb = &bufs[i]; |
| struct pipe_vertex_buffer *orig_vb = &mgr->vertex_buffer[i]; |
| struct pipe_vertex_buffer *real_vb = &mgr->real_vertex_buffer[i]; |
| |
| pipe_resource_reference(&orig_vb->buffer, vb->buffer); |
| orig_vb->user_buffer = vb->user_buffer; |
| |
| real_vb->buffer_offset = orig_vb->buffer_offset = vb->buffer_offset; |
| real_vb->stride = orig_vb->stride = vb->stride; |
| real_vb->user_buffer = NULL; |
| |
| if (vb->stride) { |
| mgr->nonzero_stride_vb_mask |= 1 << i; |
| } |
| |
| if (!vb->buffer && !vb->user_buffer) { |
| pipe_resource_reference(&real_vb->buffer, NULL); |
| continue; |
| } |
| |
| if ((!mgr->caps.buffer_offset_unaligned && vb->buffer_offset % 4 != 0) || |
| (!mgr->caps.buffer_stride_unaligned && vb->stride % 4 != 0)) { |
| mgr->incompatible_vb_mask |= 1 << i; |
| pipe_resource_reference(&real_vb->buffer, NULL); |
| continue; |
| } |
| |
| if (!mgr->caps.user_vertex_buffers && vb->user_buffer) { |
| mgr->user_vb_mask |= 1 << i; |
| pipe_resource_reference(&real_vb->buffer, NULL); |
| continue; |
| } |
| |
| pipe_resource_reference(&real_vb->buffer, vb->buffer); |
| real_vb->user_buffer = vb->user_buffer; |
| } |
| |
| for (i = count; i < mgr->nr_vertex_buffers; i++) { |
| pipe_resource_reference(&mgr->vertex_buffer[i].buffer, NULL); |
| } |
| for (i = count; i < mgr->nr_real_vertex_buffers; i++) { |
| pipe_resource_reference(&mgr->real_vertex_buffer[i].buffer, NULL); |
| } |
| |
| mgr->nr_vertex_buffers = count; |
| mgr->nr_real_vertex_buffers = count; |
| mgr->vertex_buffers_dirty = TRUE; |
| } |
| |
| void u_vbuf_set_index_buffer(struct u_vbuf *mgr, |
| const struct pipe_index_buffer *ib) |
| { |
| struct pipe_context *pipe = mgr->pipe; |
| |
| if (ib) { |
| assert(ib->offset % ib->index_size == 0); |
| pipe_resource_reference(&mgr->index_buffer.buffer, ib->buffer); |
| memcpy(&mgr->index_buffer, ib, sizeof(*ib)); |
| } else { |
| pipe_resource_reference(&mgr->index_buffer.buffer, NULL); |
| } |
| |
| pipe->set_index_buffer(pipe, ib); |
| } |
| |
| static enum pipe_error |
| u_vbuf_upload_buffers(struct u_vbuf *mgr, |
| int start_vertex, unsigned num_vertices, |
| int start_instance, unsigned num_instances) |
| { |
| unsigned i; |
| unsigned nr_velems = mgr->ve->count; |
| unsigned nr_vbufs = mgr->nr_vertex_buffers; |
| struct pipe_vertex_element *velems = |
| mgr->using_translate ? mgr->fallback_velems : mgr->ve->ve; |
| unsigned start_offset[PIPE_MAX_ATTRIBS]; |
| unsigned end_offset[PIPE_MAX_ATTRIBS] = {0}; |
| |
| /* Determine how much data needs to be uploaded. */ |
| for (i = 0; i < nr_velems; i++) { |
| struct pipe_vertex_element *velem = &velems[i]; |
| unsigned index = velem->vertex_buffer_index; |
| struct pipe_vertex_buffer *vb = &mgr->vertex_buffer[index]; |
| unsigned instance_div, first, size; |
| |
| /* Skip the buffers generated by translate. */ |
| if (index == mgr->fallback_vbs[VB_VERTEX] || |
| index == mgr->fallback_vbs[VB_INSTANCE] || |
| index == mgr->fallback_vbs[VB_CONST]) { |
| continue; |
| } |
| |
| if (!vb->user_buffer) { |
| continue; |
| } |
| |
| instance_div = velem->instance_divisor; |
| first = vb->buffer_offset + velem->src_offset; |
| |
| if (!vb->stride) { |
| /* Constant attrib. */ |
| size = mgr->ve->src_format_size[i]; |
| } else if (instance_div) { |
| /* Per-instance attrib. */ |
| unsigned count = (num_instances + instance_div - 1) / instance_div; |
| first += vb->stride * start_instance; |
| size = vb->stride * (count - 1) + mgr->ve->src_format_size[i]; |
| } else { |
| /* Per-vertex attrib. */ |
| first += vb->stride * start_vertex; |
| size = vb->stride * (num_vertices - 1) + mgr->ve->src_format_size[i]; |
| } |
| |
| /* Update offsets. */ |
| if (!end_offset[index]) { |
| start_offset[index] = first; |
| end_offset[index] = first + size; |
| } else { |
| if (first < start_offset[index]) |
| start_offset[index] = first; |
| if (first + size > end_offset[index]) |
| end_offset[index] = first + size; |
| } |
| } |
| |
| /* Upload buffers. */ |
| for (i = 0; i < nr_vbufs; i++) { |
| unsigned start, end = end_offset[i]; |
| struct pipe_vertex_buffer *real_vb; |
| const uint8_t *ptr; |
| enum pipe_error err; |
| |
| if (!end) { |
| continue; |
| } |
| |
| start = start_offset[i]; |
| assert(start < end); |
| |
| real_vb = &mgr->real_vertex_buffer[i]; |
| ptr = mgr->vertex_buffer[i].user_buffer; |
| |
| err = u_upload_data(mgr->uploader, start, end - start, ptr + start, |
| &real_vb->buffer_offset, &real_vb->buffer); |
| if (err != PIPE_OK) |
| return err; |
| |
| real_vb->buffer_offset -= start; |
| } |
| |
| return PIPE_OK; |
| } |
| |
| static boolean u_vbuf_need_minmax_index(struct u_vbuf *mgr) |
| { |
| /* See if there are any per-vertex attribs which will be uploaded or |
| * translated. Use bitmasks to get the info instead of looping over vertex |
| * elements. */ |
| return ((mgr->user_vb_mask | mgr->incompatible_vb_mask | |
| mgr->ve->incompatible_vb_mask_any) & |
| mgr->ve->noninstance_vb_mask_any & mgr->nonzero_stride_vb_mask) != 0; |
| } |
| |
| static boolean u_vbuf_mapping_vertex_buffer_blocks(struct u_vbuf *mgr) |
| { |
| /* Return true if there are hw buffers which don't need to be translated. |
| * |
| * We could query whether each buffer is busy, but that would |
| * be way more costly than this. */ |
| return (~mgr->user_vb_mask & ~mgr->incompatible_vb_mask & |
| mgr->ve->compatible_vb_mask_all & mgr->ve->noninstance_vb_mask_any & |
| mgr->nonzero_stride_vb_mask) != 0; |
| } |
| |
| static void u_vbuf_get_minmax_index(struct pipe_context *pipe, |
| struct pipe_index_buffer *ib, |
| const struct pipe_draw_info *info, |
| int *out_min_index, |
| int *out_max_index) |
| { |
| struct pipe_transfer *transfer = NULL; |
| const void *indices; |
| unsigned i; |
| unsigned restart_index = info->restart_index; |
| |
| if (ib->user_buffer) { |
| indices = (uint8_t*)ib->user_buffer + |
| ib->offset + info->start * ib->index_size; |
| } else { |
| indices = pipe_buffer_map_range(pipe, ib->buffer, |
| ib->offset + info->start * ib->index_size, |
| info->count * ib->index_size, |
| PIPE_TRANSFER_READ, &transfer); |
| } |
| |
| switch (ib->index_size) { |
| case 4: { |
| const unsigned *ui_indices = (const unsigned*)indices; |
| unsigned max_ui = 0; |
| unsigned min_ui = ~0U; |
| if (info->primitive_restart) { |
| for (i = 0; i < info->count; i++) { |
| if (ui_indices[i] != restart_index) { |
| if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; |
| if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; |
| } |
| } |
| } |
| else { |
| for (i = 0; i < info->count; i++) { |
| if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; |
| if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; |
| } |
| } |
| *out_min_index = min_ui; |
| *out_max_index = max_ui; |
| break; |
| } |
| case 2: { |
| const unsigned short *us_indices = (const unsigned short*)indices; |
| unsigned max_us = 0; |
| unsigned min_us = ~0U; |
| if (info->primitive_restart) { |
| for (i = 0; i < info->count; i++) { |
| if (us_indices[i] != restart_index) { |
| if (us_indices[i] > max_us) max_us = us_indices[i]; |
| if (us_indices[i] < min_us) min_us = us_indices[i]; |
| } |
| } |
| } |
| else { |
| for (i = 0; i < info->count; i++) { |
| if (us_indices[i] > max_us) max_us = us_indices[i]; |
| if (us_indices[i] < min_us) min_us = us_indices[i]; |
| } |
| } |
| *out_min_index = min_us; |
| *out_max_index = max_us; |
| break; |
| } |
| case 1: { |
| const unsigned char *ub_indices = (const unsigned char*)indices; |
| unsigned max_ub = 0; |
| unsigned min_ub = ~0U; |
| if (info->primitive_restart) { |
| for (i = 0; i < info->count; i++) { |
| if (ub_indices[i] != restart_index) { |
| if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; |
| if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; |
| } |
| } |
| } |
| else { |
| for (i = 0; i < info->count; i++) { |
| if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; |
| if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; |
| } |
| } |
| *out_min_index = min_ub; |
| *out_max_index = max_ub; |
| break; |
| } |
| default: |
| assert(0); |
| *out_min_index = 0; |
| *out_max_index = 0; |
| } |
| |
| if (transfer) { |
| pipe_buffer_unmap(pipe, transfer); |
| } |
| } |
| |
| void u_vbuf_draw_vbo(struct u_vbuf *mgr, const struct pipe_draw_info *info) |
| { |
| struct pipe_context *pipe = mgr->pipe; |
| int start_vertex, min_index; |
| unsigned num_vertices; |
| boolean unroll_indices = FALSE; |
| uint32_t user_vb_mask = mgr->user_vb_mask; |
| |
| /* Normal draw. No fallback and no user buffers. */ |
| if (!mgr->incompatible_vb_mask && |
| !mgr->ve->incompatible_elem_mask && |
| !user_vb_mask) { |
| /* Set vertex buffers if needed. */ |
| if (mgr->vertex_buffers_dirty) { |
| pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers, |
| mgr->real_vertex_buffer); |
| mgr->vertex_buffers_dirty = FALSE; |
| } |
| |
| pipe->draw_vbo(pipe, info); |
| return; |
| } |
| |
| if (info->indexed) { |
| /* See if anything needs to be done for per-vertex attribs. */ |
| if (u_vbuf_need_minmax_index(mgr)) { |
| int max_index; |
| |
| if (info->max_index != ~0) { |
| min_index = info->min_index; |
| max_index = info->max_index; |
| } else { |
| u_vbuf_get_minmax_index(mgr->pipe, &mgr->index_buffer, info, |
| &min_index, &max_index); |
| } |
| |
| assert(min_index <= max_index); |
| |
| start_vertex = min_index + info->index_bias; |
| num_vertices = max_index + 1 - min_index; |
| |
| /* Primitive restart doesn't work when unrolling indices. |
| * We would have to break this drawing operation into several ones. */ |
| /* Use some heuristic to see if unrolling indices improves |
| * performance. */ |
| if (!info->primitive_restart && |
| num_vertices > info->count*2 && |
| num_vertices-info->count > 32 && |
| !u_vbuf_mapping_vertex_buffer_blocks(mgr)) { |
| /*printf("num_vertices=%i count=%i\n", num_vertices, info->count);*/ |
| unroll_indices = TRUE; |
| user_vb_mask &= ~(mgr->nonzero_stride_vb_mask & |
| mgr->ve->noninstance_vb_mask_any); |
| } |
| } else { |
| /* Nothing to do for per-vertex attribs. */ |
| start_vertex = 0; |
| num_vertices = 0; |
| min_index = 0; |
| } |
| } else { |
| start_vertex = info->start; |
| num_vertices = info->count; |
| min_index = 0; |
| } |
| |
| /* Translate vertices with non-native layouts or formats. */ |
| if (unroll_indices || |
| mgr->incompatible_vb_mask || |
| mgr->ve->incompatible_elem_mask) { |
| if (!u_vbuf_translate_begin(mgr, start_vertex, num_vertices, |
| info->start_instance, info->instance_count, |
| info->start, info->count, min_index, |
| unroll_indices)) { |
| debug_warn_once("u_vbuf_translate_begin() failed"); |
| return; |
| } |
| |
| user_vb_mask &= ~(mgr->incompatible_vb_mask | |
| mgr->ve->incompatible_vb_mask_all); |
| } |
| |
| /* Upload user buffers. */ |
| if (user_vb_mask) { |
| if (u_vbuf_upload_buffers(mgr, start_vertex, num_vertices, |
| info->start_instance, |
| info->instance_count) != PIPE_OK) { |
| debug_warn_once("u_vbuf_upload_buffers() failed"); |
| return; |
| } |
| } |
| |
| /* |
| if (unroll_indices) { |
| printf("unrolling indices: start_vertex = %i, num_vertices = %i\n", |
| start_vertex, num_vertices); |
| util_dump_draw_info(stdout, info); |
| printf("\n"); |
| } |
| |
| unsigned i; |
| for (i = 0; i < mgr->nr_vertex_buffers; i++) { |
| printf("input %i: ", i); |
| util_dump_vertex_buffer(stdout, mgr->vertex_buffer+i); |
| printf("\n"); |
| } |
| for (i = 0; i < mgr->nr_real_vertex_buffers; i++) { |
| printf("real %i: ", i); |
| util_dump_vertex_buffer(stdout, mgr->real_vertex_buffer+i); |
| printf("\n"); |
| } |
| */ |
| |
| u_upload_unmap(mgr->uploader); |
| pipe->set_vertex_buffers(pipe, mgr->nr_real_vertex_buffers, |
| mgr->real_vertex_buffer); |
| |
| if (unlikely(unroll_indices)) { |
| struct pipe_draw_info new_info = *info; |
| new_info.indexed = FALSE; |
| new_info.index_bias = 0; |
| new_info.min_index = 0; |
| new_info.max_index = info->count - 1; |
| new_info.start = 0; |
| |
| pipe->draw_vbo(pipe, &new_info); |
| } else { |
| pipe->draw_vbo(pipe, info); |
| } |
| |
| if (mgr->using_translate) { |
| u_vbuf_translate_end(mgr); |
| } |
| mgr->vertex_buffers_dirty = TRUE; |
| } |
| |
| void u_vbuf_save_vertex_elements(struct u_vbuf *mgr) |
| { |
| assert(!mgr->ve_saved); |
| mgr->ve_saved = mgr->ve; |
| } |
| |
| void u_vbuf_restore_vertex_elements(struct u_vbuf *mgr) |
| { |
| if (mgr->ve != mgr->ve_saved) { |
| struct pipe_context *pipe = mgr->pipe; |
| |
| mgr->ve = mgr->ve_saved; |
| pipe->bind_vertex_elements_state(pipe, |
| mgr->ve ? mgr->ve->driver_cso : NULL); |
| } |
| mgr->ve_saved = NULL; |
| } |
| |
| void u_vbuf_save_vertex_buffers(struct u_vbuf *mgr) |
| { |
| util_copy_vertex_buffers(mgr->vertex_buffer_saved, |
| &mgr->nr_vertex_buffers_saved, |
| mgr->vertex_buffer, |
| mgr->nr_vertex_buffers); |
| } |
| |
| void u_vbuf_restore_vertex_buffers(struct u_vbuf *mgr) |
| { |
| unsigned i; |
| |
| u_vbuf_set_vertex_buffers(mgr, mgr->nr_vertex_buffers_saved, |
| mgr->vertex_buffer_saved); |
| for (i = 0; i < mgr->nr_vertex_buffers_saved; i++) { |
| pipe_resource_reference(&mgr->vertex_buffer_saved[i].buffer, NULL); |
| } |
| mgr->nr_vertex_buffers_saved = 0; |
| } |
