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path: root/src/gallium/drivers/r300/r300_emit.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r--src/gallium/drivers/r300/r300_emit.c100
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;
}