r300g: clean up r300_emit_aos
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8927b72118
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8cc570a48c
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@ -115,6 +115,15 @@
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cs_count -= 3; \
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} while (0)
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#define OUT_CS_RELOC_NO_OFFSET(bo, rd, wd, flags) do { \
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DBG(cs_context_copy, DBG_CS, "r300: writing relocation for buffer %p, " \
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"domains (%d, %d, %d)\n", \
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bo, rd, wd, flags); \
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assert(bo); \
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cs_winsys->write_cs_reloc(cs_winsys, bo, rd, wd, flags); \
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cs_count -= 2; \
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} while (0)
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#define END_CS do { \
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if (VERY_VERBOSE_CS) { \
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DBG(cs_context_copy, DBG_CS, "r300: END_CS in %s (%s:%d)\n", __FUNCTION__, \
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@ -1,5 +1,6 @@
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/*
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* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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* Copyright 2009 Marek Olšák <maraeo@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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@ -623,50 +624,68 @@ void r300_emit_texture(struct r300_context* r300,
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END_CS;
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}
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/* XXX I can't read this and that's not good */
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void r300_emit_aos(struct r300_context* r300, unsigned offset)
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static boolean r300_validate_aos(struct r300_context *r300)
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{
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struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
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struct pipe_vertex_element *velem = r300->vertex_element;
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CS_LOCALS(r300);
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int i;
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unsigned aos_count = r300->vertex_element_count;
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/* Check if formats and strides are aligned to the size of DWORD. */
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for (i = 0; i < r300->vertex_element_count; i++) {
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if (vbuf[velem[i].vertex_buffer_index].stride % 4 != 0 ||
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pf_get_blocksize(velem[i].src_format) % 4 != 0) {
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return FALSE;
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}
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}
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return TRUE;
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}
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void r300_emit_aos(struct r300_context* r300, unsigned offset)
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{
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struct pipe_vertex_buffer *vb1, *vb2, *vbuf = r300->vertex_buffer;
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struct pipe_vertex_element *velem = r300->vertex_element;
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int i;
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unsigned size1, size2, aos_count = r300->vertex_element_count;
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unsigned packet_size = (aos_count * 3 + 1) / 2;
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CS_LOCALS(r300);
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/* XXX Move this checking to a more approriate place. */
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if (!r300_validate_aos(r300)) {
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/* XXX We should fallback using Draw. */
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assert(0);
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}
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BEGIN_CS(2 + packet_size + aos_count * 2);
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OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size);
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OUT_CS(aos_count);
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for (i = 0; i < aos_count - 1; i += 2) {
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int buf_num1 = velem[i].vertex_buffer_index;
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int buf_num2 = velem[i+1].vertex_buffer_index;
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assert(vbuf[buf_num1].stride % 4 == 0 && pf_get_blocksize(velem[i].src_format) % 4 == 0);
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assert(vbuf[buf_num2].stride % 4 == 0 && pf_get_blocksize(velem[i+1].src_format) % 4 == 0);
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OUT_CS((pf_get_blocksize(velem[i].src_format) >> 2) | (vbuf[buf_num1].stride << 6) |
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(pf_get_blocksize(velem[i+1].src_format) << 14) | (vbuf[buf_num2].stride << 22));
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OUT_CS(vbuf[buf_num1].buffer_offset + velem[i].src_offset +
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offset * vbuf[buf_num1].stride);
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OUT_CS(vbuf[buf_num2].buffer_offset + velem[i+1].src_offset +
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offset * vbuf[buf_num2].stride);
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}
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if (aos_count & 1) {
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int buf_num = velem[i].vertex_buffer_index;
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assert(vbuf[buf_num].stride % 4 == 0 && pf_get_blocksize(velem[i].src_format) % 4 == 0);
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OUT_CS((pf_get_blocksize(velem[i].src_format) >> 2) | (vbuf[buf_num].stride << 6));
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OUT_CS(vbuf[buf_num].buffer_offset + velem[i].src_offset +
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offset * vbuf[buf_num].stride);
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vb1 = &vbuf[velem[i].vertex_buffer_index];
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vb2 = &vbuf[velem[i+1].vertex_buffer_index];
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size1 = pf_get_blocksize(velem[i].src_format);
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size2 = pf_get_blocksize(velem[i+1].src_format);
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OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) |
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R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride));
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OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
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OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride);
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}
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if (aos_count & 1) {
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vb1 = &vbuf[velem[i].vertex_buffer_index];
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size1 = pf_get_blocksize(velem[i].src_format);
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OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride));
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OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride);
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}
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/* XXX bare CS reloc */
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for (i = 0; i < aos_count; i++) {
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cs_winsys->write_cs_reloc(cs_winsys,
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vbuf[velem[i].vertex_buffer_index].buffer,
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RADEON_GEM_DOMAIN_GTT,
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0,
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0);
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cs_count -= 2;
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OUT_CS_RELOC_NO_OFFSET(vbuf[velem[i].vertex_buffer_index].buffer,
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RADEON_GEM_DOMAIN_GTT, 0, 0);
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}
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END_CS;
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}
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#if 0
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void r300_emit_draw_packet(struct r300_context* r300)
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{
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@ -3293,6 +3293,11 @@ enum {
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*/
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#define R300_PACKET3_3D_LOAD_VBPNTR 0x00002F00
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# define R300_VBPNTR_SIZE0(x) ((x) >> 2)
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# define R300_VBPNTR_STRIDE0(x) (((x) >> 2) << 8)
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# define R300_VBPNTR_SIZE1(x) (((x) >> 2) << 16)
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# define R300_VBPNTR_STRIDE1(x) (((x) >> 2) << 24)
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#define R300_PACKET3_INDX_BUFFER 0x00003300
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# define R300_INDX_BUFFER_DST_SHIFT 0
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# define R300_INDX_BUFFER_SKIP_SHIFT 16
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