diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_render_translate.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_render_translate.c | 233 |
1 files changed, 47 insertions, 186 deletions
diff --git a/src/gallium/drivers/r300/r300_render_translate.c b/src/gallium/drivers/r300/r300_render_translate.c index 41a43b04de..f8c7558f4b 100644 --- a/src/gallium/drivers/r300/r300_render_translate.c +++ b/src/gallium/drivers/r300/r300_render_translate.c @@ -20,203 +20,64 @@ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/** - * The functions below translate vertex and index buffers to the layout - * compatible with the hardware, so that all vertex and index fetches are - * DWORD-aligned and all used vertex and index formats are supported. - * For indices, an optional index offset is added to each index. - */ - #include "r300_context.h" -#include "translate/translate.h" #include "util/u_index_modify.h" +#include "util/u_upload_mgr.h" -void r300_begin_vertex_translate(struct r300_context *r300) -{ - struct pipe_context *pipe = &r300->context; - struct translate_key key = {0}; - struct translate_element *te; - unsigned tr_elem_index[PIPE_MAX_ATTRIBS] = {0}; - struct translate *tr; - struct r300_vertex_element_state *ve = r300->velems; - boolean vb_translated[PIPE_MAX_ATTRIBS] = {0}; - void *vb_map[PIPE_MAX_ATTRIBS] = {0}, *out_map; - struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0}, *out_transfer; - struct pipe_resource *out_buffer; - unsigned i, num_verts; - - /* Initialize the translate key, i.e. the recipe how vertices should be - * translated. */ - for (i = 0; i < ve->count; i++) { - struct pipe_vertex_buffer *vb = - &r300->vertex_buffer[ve->velem[i].vertex_buffer_index]; - enum pipe_format output_format = ve->hw_format[i]; - unsigned output_format_size = ve->hw_format_size[i]; - - /* Check for support. */ - if (ve->velem[i].src_format == ve->hw_format[i] && - (vb->buffer_offset + ve->velem[i].src_offset) % 4 == 0 && - vb->stride % 4 == 0) { - continue; - } - - /* Workaround for translate: output floats instead of halfs. */ - switch (output_format) { - case PIPE_FORMAT_R16_FLOAT: - output_format = PIPE_FORMAT_R32_FLOAT; - output_format_size = 4; - break; - case PIPE_FORMAT_R16G16_FLOAT: - output_format = PIPE_FORMAT_R32G32_FLOAT; - output_format_size = 8; - break; - case PIPE_FORMAT_R16G16B16_FLOAT: - output_format = PIPE_FORMAT_R32G32B32_FLOAT; - output_format_size = 12; - break; - case PIPE_FORMAT_R16G16B16A16_FLOAT: - output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; - output_format_size = 16; - break; - default:; - } - - /* Add this vertex element. */ - te = &key.element[key.nr_elements]; - /*te->type; - te->instance_divisor;*/ - te->input_buffer = ve->velem[i].vertex_buffer_index; - te->input_format = ve->velem[i].src_format; - te->input_offset = vb->buffer_offset + ve->velem[i].src_offset; - te->output_format = output_format; - te->output_offset = key.output_stride; - - key.output_stride += output_format_size; - vb_translated[ve->velem[i].vertex_buffer_index] = TRUE; - tr_elem_index[i] = key.nr_elements; - key.nr_elements++; - } - - /* Get a translate object. */ - tr = translate_cache_find(r300->tran.translate_cache, &key); - - /* Map buffers we want to translate. */ - for (i = 0; i < r300->vertex_buffer_count; i++) { - if (vb_translated[i]) { - struct pipe_vertex_buffer *vb = &r300->vertex_buffer[i]; - - vb_map[i] = pipe_buffer_map(pipe, vb->buffer, - PIPE_TRANSFER_READ, &vb_transfer[i]); - - tr->set_buffer(tr, i, vb_map[i], vb->stride, vb->max_index); - } - } - - /* Create and map the output buffer. */ - num_verts = r300->vertex_buffer_max_index + 1; - - out_buffer = pipe_buffer_create(&r300->screen->screen, - PIPE_BIND_VERTEX_BUFFER, - key.output_stride * num_verts); - - out_map = pipe_buffer_map(pipe, out_buffer, PIPE_TRANSFER_WRITE, - &out_transfer); - - /* Translate. */ - tr->run(tr, 0, num_verts, 0, out_map); - - /* Unmap all buffers. */ - for (i = 0; i < r300->vertex_buffer_count; i++) { - if (vb_translated[i]) { - pipe_buffer_unmap(pipe, r300->vertex_buffer[i].buffer, - vb_transfer[i]); - } - } - - pipe_buffer_unmap(pipe, out_buffer, out_transfer); - - /* Setup the new vertex buffer in the first free slot. */ - for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { - struct pipe_vertex_buffer *vb = &r300->vertex_buffer[i]; - - if (!vb->buffer) { - pipe_resource_reference(&vb->buffer, out_buffer); - vb->buffer_offset = 0; - vb->max_index = num_verts - 1; - vb->stride = key.output_stride; - r300->tran.vb_slot = i; - r300->validate_buffers = TRUE; - break; - } - } - - /* Save and replace vertex elements. */ - { - struct pipe_vertex_element new_velems[PIPE_MAX_ATTRIBS]; - - r300->tran.saved_velems = r300->velems; - - for (i = 0; i < ve->count; i++) { - if (vb_translated[ve->velem[i].vertex_buffer_index]) { - te = &key.element[tr_elem_index[i]]; - new_velems[i].instance_divisor = ve->velem[i].instance_divisor; - new_velems[i].src_format = te->output_format; - new_velems[i].src_offset = te->output_offset; - new_velems[i].vertex_buffer_index = r300->tran.vb_slot; - } else { - memcpy(&new_velems[i], &ve->velem[i], - sizeof(struct pipe_vertex_element)); - } - } - - r300->tran.new_velems = - pipe->create_vertex_elements_state(pipe, ve->count, new_velems); - pipe->bind_vertex_elements_state(pipe, r300->tran.new_velems); - } - - pipe_resource_reference(&out_buffer, NULL); -} - -void r300_end_vertex_translate(struct r300_context *r300) -{ - struct pipe_context *pipe = &r300->context; - - /* Restore vertex elements. */ - pipe->bind_vertex_elements_state(pipe, r300->tran.saved_velems); - pipe->delete_vertex_elements_state(pipe, r300->tran.new_velems); - - /* Delete the now-unused VBO. */ - pipe_resource_reference(&r300->vertex_buffer[r300->tran.vb_slot].buffer, - NULL); -} void r300_translate_index_buffer(struct r300_context *r300, struct pipe_resource **index_buffer, unsigned *index_size, unsigned index_offset, unsigned *start, unsigned count) { + struct pipe_resource *out_buffer = NULL; + unsigned out_offset; + void *ptr; + boolean flushed; + switch (*index_size) { - case 1: - util_shorten_ubyte_elts(&r300->context, index_buffer, index_offset, *start, count); - *index_size = 2; - *start = 0; - r300->validate_buffers = TRUE; - break; + case 1: + u_upload_alloc(r300->vbuf_mgr->uploader, 0, count * 2, + &out_offset, &out_buffer, &flushed, &ptr); + + util_shorten_ubyte_elts_to_userptr( + &r300->context, *index_buffer, index_offset, + *start, count, ptr); + + *index_buffer = NULL; + pipe_resource_reference(index_buffer, out_buffer); + *index_size = 2; + *start = out_offset / 2; + break; + + case 2: + if (index_offset) { + u_upload_alloc(r300->vbuf_mgr->uploader, 0, count * 2, + &out_offset, &out_buffer, &flushed, &ptr); + + util_rebuild_ushort_elts_to_userptr(&r300->context, *index_buffer, + index_offset, *start, + count, ptr); + + *index_buffer = NULL; + pipe_resource_reference(index_buffer, out_buffer); + *start = out_offset / 2; + } + break; - case 2: - if (*start % 2 != 0 || index_offset) { - util_rebuild_ushort_elts(&r300->context, index_buffer, index_offset, *start, count); - *start = 0; - r300->validate_buffers = TRUE; - } - break; + case 4: + if (index_offset) { + u_upload_alloc(r300->vbuf_mgr->uploader, 0, count * 4, + &out_offset, &out_buffer, &flushed, &ptr); - case 4: - if (index_offset) { - util_rebuild_uint_elts(&r300->context, index_buffer, index_offset, *start, count); - *start = 0; - r300->validate_buffers = TRUE; - } - break; + util_rebuild_uint_elts_to_userptr(&r300->context, *index_buffer, + index_offset, *start, + count, ptr); + + *index_buffer = NULL; + pipe_resource_reference(index_buffer, out_buffer); + *start = out_offset / 4; + } + break; } } |