diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_fetch.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_fetch.c | 45 |
1 files changed, 34 insertions, 11 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch.c b/src/gallium/auxiliary/draw/draw_pt_fetch.c index 305bfef435..55e7a7b81a 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch.c @@ -58,12 +58,14 @@ struct pt_fetch { */ void draw_pt_fetch_prepare( struct pt_fetch *fetch, unsigned vs_input_count, - unsigned vertex_size ) + unsigned vertex_size, + unsigned instance_id_index ) { struct draw_context *draw = fetch->draw; unsigned nr_inputs; - unsigned i, nr = 0; + unsigned i, nr = 0, ei = 0; unsigned dst_offset = 0; + unsigned num_extra_inputs = 0; struct translate_key key; fetch->vertex_size = vertex_size; @@ -78,9 +80,11 @@ void draw_pt_fetch_prepare( struct pt_fetch *fetch, { /* Need to set header->vertex_id = 0xffff somehow. */ + key.element[nr].type = TRANSLATE_ELEMENT_NORMAL; key.element[nr].input_format = PIPE_FORMAT_R32_FLOAT; key.element[nr].input_buffer = draw->pt.nr_vertex_buffers; key.element[nr].input_offset = 0; + key.element[nr].instance_divisor = 0; key.element[nr].output_format = PIPE_FORMAT_R32_FLOAT; key.element[nr].output_offset = dst_offset; dst_offset += 1 * sizeof(float); @@ -91,19 +95,36 @@ void draw_pt_fetch_prepare( struct pt_fetch *fetch, */ dst_offset += 4 * sizeof(float); } - - assert( draw->pt.nr_vertex_elements >= vs_input_count ); - nr_inputs = MIN2( vs_input_count, draw->pt.nr_vertex_elements ); + if (instance_id_index != ~0) { + num_extra_inputs++; + } + + assert(draw->pt.nr_vertex_elements + num_extra_inputs >= vs_input_count); + + nr_inputs = MIN2(vs_input_count, draw->pt.nr_vertex_elements + num_extra_inputs); for (i = 0; i < nr_inputs; i++) { - key.element[nr].input_format = draw->pt.vertex_element[i].src_format; - key.element[nr].input_buffer = draw->pt.vertex_element[i].vertex_buffer_index; - key.element[nr].input_offset = draw->pt.vertex_element[i].src_offset; - key.element[nr].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; - key.element[nr].output_offset = dst_offset; + if (i == instance_id_index) { + key.element[nr].type = TRANSLATE_ELEMENT_INSTANCE_ID; + key.element[nr].input_format = PIPE_FORMAT_R32_USCALED; + key.element[nr].output_format = PIPE_FORMAT_R32_USCALED; + key.element[nr].output_offset = dst_offset; + + dst_offset += sizeof(uint); + } else { + key.element[nr].type = TRANSLATE_ELEMENT_NORMAL; + key.element[nr].input_format = draw->pt.vertex_element[ei].src_format; + key.element[nr].input_buffer = draw->pt.vertex_element[ei].vertex_buffer_index; + key.element[nr].input_offset = draw->pt.vertex_element[ei].src_offset; + key.element[nr].instance_divisor = draw->pt.vertex_element[ei].instance_divisor; + key.element[nr].output_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + key.element[nr].output_offset = dst_offset; + + ei++; + dst_offset += 4 * sizeof(float); + } - dst_offset += 4 * sizeof(float); nr++; } @@ -158,6 +179,7 @@ void draw_pt_fetch_run( struct pt_fetch *fetch, translate->run_elts( translate, elts, count, + draw->instance_id, verts ); } @@ -183,6 +205,7 @@ void draw_pt_fetch_run_linear( struct pt_fetch *fetch, translate->run( translate, start, count, + draw->instance_id, verts ); } |