diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/util/u_vbuf_mgr.c | 103 |
1 files changed, 62 insertions, 41 deletions
diff --git a/src/gallium/auxiliary/util/u_vbuf_mgr.c b/src/gallium/auxiliary/util/u_vbuf_mgr.c index 8f107f36572..83113f72d18 100644 --- a/src/gallium/auxiliary/util/u_vbuf_mgr.c +++ b/src/gallium/auxiliary/util/u_vbuf_mgr.c @@ -156,6 +156,32 @@ void u_vbuf_destroy(struct u_vbuf_mgr *mgrb) } +static unsigned u_vbuf_get_free_real_vb_slot(struct u_vbuf_priv *mgr) +{ + unsigned i, nr = mgr->ve->count; + boolean used_vb[PIPE_MAX_ATTRIBS] = {0}; + + for (i = 0; i < nr; i++) { + if (!mgr->ve->incompatible_layout_elem[i]) { + unsigned index = mgr->ve->ve[i].vertex_buffer_index; + + if (!mgr->incompatible_vb[index]) { + used_vb[index] = TRUE; + } + } + } + + for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { + if (!used_vb[i]) { + if (i >= mgr->b.nr_real_vertex_buffers) { + mgr->b.nr_real_vertex_buffers = i+1; + } + return i; + } + } + return ~0; +} + static void u_vbuf_translate_begin(struct u_vbuf_priv *mgr, int min_index, int max_index) @@ -174,6 +200,13 @@ u_vbuf_translate_begin(struct u_vbuf_priv *mgr, memset(&key, 0, sizeof(key)); memset(tr_elem_index, 0xff, sizeof(tr_elem_index)); + /* Get a new vertex buffer slot. */ + mgr->fallback_vb_slot = u_vbuf_get_free_real_vb_slot(mgr); + + if (mgr->fallback_vb_slot == ~0) { + return; /* XXX error, not enough attribs */ + } + /* Initialize the description of how vertices should be translated. */ for (i = 0; i < mgr->ve->count; i++) { enum pipe_format output_format = mgr->ve->native_format[i]; @@ -208,8 +241,8 @@ u_vbuf_translate_begin(struct u_vbuf_priv *mgr, /* Add this vertex element. */ te = &key.element[key.nr_elements]; - /*te->type; - te->instance_divisor;*/ + te->type = TRANSLATE_ELEMENT_NORMAL; + te->instance_divisor = 0; te->input_buffer = mgr->ve->ve[i].vertex_buffer_index; te->input_format = mgr->ve->ve[i].src_format; te->input_offset = mgr->ve->ve[i].src_offset; @@ -260,51 +293,39 @@ u_vbuf_translate_begin(struct u_vbuf_priv *mgr, } } - /* Setup the new vertex buffer in the first free slot. */ - mgr->fallback_vb_slot = ~0; - for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { - if (!mgr->b.vertex_buffer[i].buffer) { - mgr->fallback_vb_slot = i; + /* Setup the new vertex buffer. */ + mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer_offset = out_offset; + mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].stride = key.output_stride; - if (i >= mgr->b.nr_vertex_buffers) { - mgr->b.nr_real_vertex_buffers = i+1; - } - break; - } - } + /* Move the buffer reference. */ + pipe_resource_reference( + &mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer, NULL); + mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer = out_buffer; + out_buffer = NULL; - if (mgr->fallback_vb_slot != ~0) { - /* Setup the new vertex buffer. */ - pipe_resource_reference( - &mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer, out_buffer); - mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].buffer_offset = out_offset; - mgr->b.real_vertex_buffer[mgr->fallback_vb_slot].stride = key.output_stride; - - /* Setup new vertex elements. */ - for (i = 0; i < mgr->ve->count; i++) { - if (tr_elem_index[i] < key.nr_elements) { - te = &key.element[tr_elem_index[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_vb_slot; - } else { - memcpy(&mgr->fallback_velems[i], &mgr->ve->ve[i], - sizeof(struct pipe_vertex_element)); - } + /* Setup new vertex elements. */ + for (i = 0; i < mgr->ve->count; i++) { + if (tr_elem_index[i] < key.nr_elements) { + te = &key.element[tr_elem_index[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_vb_slot; + } else { + memcpy(&mgr->fallback_velems[i], &mgr->ve->ve[i], + sizeof(struct pipe_vertex_element)); } + } - mgr->fallback_ve = - mgr->pipe->create_vertex_elements_state(mgr->pipe, mgr->ve->count, - mgr->fallback_velems); - /* Preserve saved_ve. */ - mgr->ve_binding_lock = TRUE; - mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->fallback_ve); - mgr->ve_binding_lock = FALSE; - } + mgr->fallback_ve = + mgr->pipe->create_vertex_elements_state(mgr->pipe, mgr->ve->count, + mgr->fallback_velems); - pipe_resource_reference(&out_buffer, NULL); + /* Preserve saved_ve. */ + mgr->ve_binding_lock = TRUE; + mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->fallback_ve); + mgr->ve_binding_lock = FALSE; } static void u_vbuf_translate_end(struct u_vbuf_priv *mgr) |