diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 100 |
1 files changed, 77 insertions, 23 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index e3945b72d7a..60f83058569 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -794,7 +794,8 @@ void r300_emit_textures_state(struct r300_context *r300, END_CS; } -void r300_emit_vertex_arrays(struct r300_context* r300, int offset, boolean indexed) +void r300_emit_vertex_arrays(struct r300_context* r300, int offset, + boolean indexed, int instance_id) { struct pipe_vertex_buffer *vbuf = r300->vbuf_mgr->vertex_buffer; struct pipe_resource **valid_vbuf = r300->vbuf_mgr->real_vertex_buffer; @@ -804,39 +805,92 @@ void r300_emit_vertex_arrays(struct r300_context* r300, int offset, boolean inde unsigned vertex_array_count = r300->velems->count; unsigned packet_size = (vertex_array_count * 3 + 1) / 2; struct pipe_vertex_buffer *vb1, *vb2; - unsigned *hw_format_size; - unsigned size1, size2; + unsigned *hw_format_size = r300->velems->format_size; + unsigned size1, size2, offset1, offset2, stride1, stride2; CS_LOCALS(r300); BEGIN_CS(2 + packet_size + vertex_array_count * 2); OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size); OUT_CS(vertex_array_count | (!indexed ? R300_VC_FORCE_PREFETCH : 0)); - hw_format_size = r300->velems->format_size; + if (instance_id == -1) { + /* Non-instanced arrays. This ignores instance_divisor and instance_id. */ + for (i = 0; i < vertex_array_count - 1; i += 2) { + vb1 = &vbuf[velem[i].vertex_buffer_index]; + vb2 = &vbuf[velem[i+1].vertex_buffer_index]; + size1 = hw_format_size[i]; + size2 = hw_format_size[i+1]; + + OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) | + R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride)); + OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride); + OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride); + } - for (i = 0; i < vertex_array_count - 1; i += 2) { - vb1 = &vbuf[velem[i].vertex_buffer_index]; - vb2 = &vbuf[velem[i+1].vertex_buffer_index]; - size1 = hw_format_size[i]; - size2 = hw_format_size[i+1]; + if (vertex_array_count & 1) { + vb1 = &vbuf[velem[i].vertex_buffer_index]; + size1 = hw_format_size[i]; - OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) | - R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride)); - OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride); - OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride); - } + OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride)); + OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride); + } + + for (i = 0; i < vertex_array_count; i++) { + buf = r300_resource(valid_vbuf[velem[i].vertex_buffer_index]); + OUT_CS_RELOC(buf); + } + } else { + /* Instanced arrays. */ + for (i = 0; i < vertex_array_count - 1; i += 2) { + vb1 = &vbuf[velem[i].vertex_buffer_index]; + vb2 = &vbuf[velem[i+1].vertex_buffer_index]; + size1 = hw_format_size[i]; + size2 = hw_format_size[i+1]; + + if (velem[i].instance_divisor) { + stride1 = 0; + offset1 = vb1->buffer_offset + velem[i].src_offset + + (instance_id / velem[i].instance_divisor) * vb1->stride; + } else { + stride1 = vb1->stride; + offset1 = vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride; + } + if (velem[i+1].instance_divisor) { + stride2 = 0; + offset2 = vb2->buffer_offset + velem[i+1].src_offset + + (instance_id / velem[i+1].instance_divisor) * vb2->stride; + } else { + stride2 = vb2->stride; + offset2 = vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride; + } - if (vertex_array_count & 1) { - vb1 = &vbuf[velem[i].vertex_buffer_index]; - size1 = hw_format_size[i]; + OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(stride1) | + R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(stride2)); + OUT_CS(offset1); + OUT_CS(offset2); + } - OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride)); - OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride); - } + if (vertex_array_count & 1) { + vb1 = &vbuf[velem[i].vertex_buffer_index]; + size1 = hw_format_size[i]; + + if (velem[i].instance_divisor) { + stride1 = 0; + offset1 = vb1->buffer_offset + velem[i].src_offset + + (instance_id / velem[i].instance_divisor) * vb1->stride; + } else { + stride1 = vb1->stride; + offset1 = vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride; + } - for (i = 0; i < vertex_array_count; i++) { - buf = r300_resource(valid_vbuf[velem[i].vertex_buffer_index]); - OUT_CS_RELOC(buf); + OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(stride1)); + OUT_CS(offset1); + } + + for (i = 0; i < vertex_array_count; i++) { + buf = r300_resource(valid_vbuf[velem[i].vertex_buffer_index]); + OUT_CS_RELOC(buf); + } } END_CS; } |