1253 lines
43 KiB
C
1253 lines
43 KiB
C
/*
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* Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
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* Copyright 2010 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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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/* r300_render: Vertex and index buffer primitive emission. Contains both
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* HW TCL fastpath rendering, and SW TCL Draw-assisted rendering. */
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#include "draw/draw_context.h"
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#include "draw/draw_vbuf.h"
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#include "util/u_inlines.h"
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#include "util/format/u_format.h"
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#include "util/u_draw.h"
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#include "util/u_memory.h"
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#include "util/u_upload_mgr.h"
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#include "util/u_prim.h"
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#include "r300_cs.h"
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#include "r300_context.h"
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#include "r300_screen_buffer.h"
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#include "r300_emit.h"
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#include "r300_reg.h"
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#include <limits.h>
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#define IMMD_DWORDS 32
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static uint32_t r300_translate_primitive(unsigned prim)
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{
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static const int prim_conv[] = {
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R300_VAP_VF_CNTL__PRIM_POINTS,
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R300_VAP_VF_CNTL__PRIM_LINES,
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R300_VAP_VF_CNTL__PRIM_LINE_LOOP,
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R300_VAP_VF_CNTL__PRIM_LINE_STRIP,
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R300_VAP_VF_CNTL__PRIM_TRIANGLES,
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R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP,
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R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN,
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R300_VAP_VF_CNTL__PRIM_QUADS,
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R300_VAP_VF_CNTL__PRIM_QUAD_STRIP,
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R300_VAP_VF_CNTL__PRIM_POLYGON,
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-1,
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-1,
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-1,
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-1
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};
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unsigned hwprim = prim_conv[prim];
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assert(hwprim != -1);
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return hwprim;
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}
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static uint32_t r300_provoking_vertex_fixes(struct r300_context *r300,
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unsigned mode)
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{
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struct r300_rs_state* rs = (struct r300_rs_state*)r300->rs_state.state;
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uint32_t color_control = rs->color_control;
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/* By default (see r300_state.c:r300_create_rs_state) color_control is
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* initialized to provoking the first vertex.
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*
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* Triangle fans must be reduced to the second vertex, not the first, in
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* Gallium flatshade-first mode, as per the GL spec.
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* (http://www.opengl.org/registry/specs/ARB/provoking_vertex.txt)
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*
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* Quads never provoke correctly in flatshade-first mode. The first
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* vertex is never considered as provoking, so only the second, third,
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* and fourth vertices can be selected, and both "third" and "last" modes
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* select the fourth vertex. This is probably due to D3D lacking quads.
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*
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* Similarly, polygons reduce to the first, not the last, vertex, when in
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* "last" mode, and all other modes start from the second vertex.
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*
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* ~ C.
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*/
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if (rs->rs.flatshade_first) {
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switch (mode) {
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case PIPE_PRIM_TRIANGLE_FAN:
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color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_SECOND;
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break;
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case PIPE_PRIM_QUADS:
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case PIPE_PRIM_QUAD_STRIP:
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case PIPE_PRIM_POLYGON:
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color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST;
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break;
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default:
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color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_FIRST;
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break;
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}
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} else {
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color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST;
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}
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return color_control;
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}
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void r500_emit_index_bias(struct r300_context *r300, int index_bias)
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{
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CS_LOCALS(r300);
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BEGIN_CS(2);
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OUT_CS_REG(R500_VAP_INDEX_OFFSET,
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(index_bias & 0xFFFFFF) | (index_bias < 0 ? 1<<24 : 0));
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END_CS;
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}
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static void r300_emit_draw_init(struct r300_context *r300, unsigned mode,
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unsigned max_index)
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{
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CS_LOCALS(r300);
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assert(max_index < (1 << 24));
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BEGIN_CS(5);
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OUT_CS_REG(R300_GA_COLOR_CONTROL,
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r300_provoking_vertex_fixes(r300, mode));
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OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
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OUT_CS(max_index);
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OUT_CS(0);
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END_CS;
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}
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/* This function splits the index bias value into two parts:
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* - buffer_offset: the value that can be safely added to buffer offsets
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* in r300_emit_vertex_arrays (it must yield a positive offset when added to
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* a vertex buffer offset)
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* - index_offset: the value that must be manually subtracted from indices
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* in an index buffer to achieve negative offsets. */
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static void r300_split_index_bias(struct r300_context *r300, int index_bias,
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int *buffer_offset, int *index_offset)
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{
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struct pipe_vertex_buffer *vb, *vbufs = r300->vertex_buffer;
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struct pipe_vertex_element *velem = r300->velems->velem;
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unsigned i, size;
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int max_neg_bias;
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if (index_bias < 0) {
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/* See how large index bias we may subtract. We must be careful
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* here because negative buffer offsets are not allowed
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* by the DRM API. */
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max_neg_bias = INT_MAX;
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for (i = 0; i < r300->velems->count; i++) {
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vb = &vbufs[velem[i].vertex_buffer_index];
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size = (vb->buffer_offset + velem[i].src_offset) / vb->stride;
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max_neg_bias = MIN2(max_neg_bias, size);
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}
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/* Now set the minimum allowed value. */
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*buffer_offset = MAX2(-max_neg_bias, index_bias);
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} else {
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/* A positive index bias is OK. */
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*buffer_offset = index_bias;
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}
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*index_offset = index_bias - *buffer_offset;
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}
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enum r300_prepare_flags {
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PREP_EMIT_STATES = (1 << 0), /* call emit_dirty_state and friends? */
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PREP_VALIDATE_VBOS = (1 << 1), /* validate VBOs? */
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PREP_EMIT_VARRAYS = (1 << 2), /* call emit_vertex_arrays? */
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PREP_EMIT_VARRAYS_SWTCL = (1 << 3), /* call emit_vertex_arrays_swtcl? */
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PREP_INDEXED = (1 << 4) /* is this draw_elements? */
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};
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/**
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* Check if the requested number of dwords is available in the CS and
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* if not, flush.
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* \param r300 The context.
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* \param flags See r300_prepare_flags.
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* \param cs_dwords The number of dwords to reserve in CS.
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* \return TRUE if the CS was flushed
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*/
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static boolean r300_reserve_cs_dwords(struct r300_context *r300,
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enum r300_prepare_flags flags,
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unsigned cs_dwords)
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{
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boolean flushed = FALSE;
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boolean emit_states = flags & PREP_EMIT_STATES;
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boolean emit_vertex_arrays = flags & PREP_EMIT_VARRAYS;
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boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_VARRAYS_SWTCL;
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/* Add dirty state, index offset, and AOS. */
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if (emit_states)
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cs_dwords += r300_get_num_dirty_dwords(r300);
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if (r300->screen->caps.is_r500)
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cs_dwords += 2; /* emit_index_offset */
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if (emit_vertex_arrays)
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cs_dwords += 55; /* emit_vertex_arrays */
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if (emit_vertex_arrays_swtcl)
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cs_dwords += 7; /* emit_vertex_arrays_swtcl */
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cs_dwords += r300_get_num_cs_end_dwords(r300);
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/* Reserve requested CS space. */
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if (!r300->rws->cs_check_space(&r300->cs, cs_dwords, false)) {
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r300_flush(&r300->context, PIPE_FLUSH_ASYNC, NULL);
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flushed = TRUE;
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}
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return flushed;
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}
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/**
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* Validate buffers and emit dirty state.
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* \param r300 The context.
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* \param flags See r300_prepare_flags.
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* \param index_buffer The index buffer to validate. The parameter may be NULL.
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* \param buffer_offset The offset passed to emit_vertex_arrays.
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* \param index_bias The index bias to emit.
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* \param instance_id Index of instance to render
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* \return TRUE if rendering should be skipped
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*/
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static boolean r300_emit_states(struct r300_context *r300,
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enum r300_prepare_flags flags,
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struct pipe_resource *index_buffer,
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int buffer_offset,
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int index_bias, int instance_id)
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{
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boolean emit_states = flags & PREP_EMIT_STATES;
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boolean emit_vertex_arrays = flags & PREP_EMIT_VARRAYS;
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boolean emit_vertex_arrays_swtcl = flags & PREP_EMIT_VARRAYS_SWTCL;
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boolean indexed = flags & PREP_INDEXED;
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boolean validate_vbos = flags & PREP_VALIDATE_VBOS;
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/* Validate buffers and emit dirty state if needed. */
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if (emit_states || (emit_vertex_arrays && validate_vbos)) {
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if (!r300_emit_buffer_validate(r300, validate_vbos,
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index_buffer)) {
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fprintf(stderr, "r300: CS space validation failed. "
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"(not enough memory?) Skipping rendering.\n");
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return FALSE;
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}
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}
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if (emit_states)
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r300_emit_dirty_state(r300);
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if (r300->screen->caps.is_r500) {
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if (r300->screen->caps.has_tcl)
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r500_emit_index_bias(r300, index_bias);
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else
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r500_emit_index_bias(r300, 0);
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}
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if (emit_vertex_arrays &&
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(r300->vertex_arrays_dirty ||
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r300->vertex_arrays_indexed != indexed ||
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r300->vertex_arrays_offset != buffer_offset ||
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r300->vertex_arrays_instance_id != instance_id)) {
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r300_emit_vertex_arrays(r300, buffer_offset, indexed, instance_id);
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r300->vertex_arrays_dirty = FALSE;
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r300->vertex_arrays_indexed = indexed;
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r300->vertex_arrays_offset = buffer_offset;
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r300->vertex_arrays_instance_id = instance_id;
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}
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if (emit_vertex_arrays_swtcl)
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r300_emit_vertex_arrays_swtcl(r300, indexed);
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return TRUE;
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}
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/**
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* Check if the requested number of dwords is available in the CS and
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* if not, flush. Then validate buffers and emit dirty state.
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* \param r300 The context.
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* \param flags See r300_prepare_flags.
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* \param index_buffer The index buffer to validate. The parameter may be NULL.
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* \param cs_dwords The number of dwords to reserve in CS.
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* \param buffer_offset The offset passed to emit_vertex_arrays.
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* \param index_bias The index bias to emit.
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* \param instance_id The instance to render.
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* \return TRUE if rendering should be skipped
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*/
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static boolean r300_prepare_for_rendering(struct r300_context *r300,
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enum r300_prepare_flags flags,
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struct pipe_resource *index_buffer,
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unsigned cs_dwords,
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int buffer_offset,
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int index_bias,
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int instance_id)
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{
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/* Make sure there is enough space in the command stream and emit states. */
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if (r300_reserve_cs_dwords(r300, flags, cs_dwords))
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flags |= PREP_EMIT_STATES;
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return r300_emit_states(r300, flags, index_buffer, buffer_offset,
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index_bias, instance_id);
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}
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static boolean immd_is_good_idea(struct r300_context *r300,
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unsigned count)
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{
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if (DBG_ON(r300, DBG_NO_IMMD)) {
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return FALSE;
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}
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if (count * r300->velems->vertex_size_dwords > IMMD_DWORDS) {
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return FALSE;
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}
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/* Buffers can only be used for read by r300 (except query buffers, but
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* those can't be bound by an gallium frontend as vertex buffers). */
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return TRUE;
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}
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/*****************************************************************************
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* The HWTCL draw functions. *
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****************************************************************************/
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static void r300_draw_arrays_immediate(struct r300_context *r300,
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const struct pipe_draw_info *info,
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const struct pipe_draw_start_count_bias *draw)
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{
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struct pipe_vertex_element* velem;
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struct pipe_vertex_buffer* vbuf;
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unsigned vertex_element_count = r300->velems->count;
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unsigned i, v, vbi;
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/* Size of the vertex, in dwords. */
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unsigned vertex_size = r300->velems->vertex_size_dwords;
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/* The number of dwords for this draw operation. */
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unsigned dwords = 4 + draw->count * vertex_size;
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/* Size of the vertex element, in dwords. */
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unsigned size[PIPE_MAX_ATTRIBS];
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/* Stride to the same attrib in the next vertex in the vertex buffer,
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* in dwords. */
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unsigned stride[PIPE_MAX_ATTRIBS];
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/* Mapped vertex buffers. */
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uint32_t* map[PIPE_MAX_ATTRIBS] = {0};
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uint32_t* mapelem[PIPE_MAX_ATTRIBS];
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CS_LOCALS(r300);
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if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1))
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return;
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/* Calculate the vertex size, offsets, strides etc. and map the buffers. */
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for (i = 0; i < vertex_element_count; i++) {
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velem = &r300->velems->velem[i];
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size[i] = r300->velems->format_size[i] / 4;
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vbi = velem->vertex_buffer_index;
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vbuf = &r300->vertex_buffer[vbi];
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stride[i] = vbuf->stride / 4;
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/* Map the buffer. */
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if (!map[vbi]) {
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map[vbi] = (uint32_t*)r300->rws->buffer_map(r300->rws,
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r300_resource(vbuf->buffer.resource)->buf,
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&r300->cs, PIPE_MAP_READ | PIPE_MAP_UNSYNCHRONIZED);
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map[vbi] += (vbuf->buffer_offset / 4) + stride[i] * draw->start;
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}
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mapelem[i] = map[vbi] + (velem->src_offset / 4);
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}
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r300_emit_draw_init(r300, info->mode, draw->count-1);
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BEGIN_CS(dwords);
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OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size);
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OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, draw->count * vertex_size);
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OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (draw->count << 16) |
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r300_translate_primitive(info->mode));
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/* Emit vertices. */
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for (v = 0; v < draw->count; v++) {
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for (i = 0; i < vertex_element_count; i++) {
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OUT_CS_TABLE(&mapelem[i][stride[i] * v], size[i]);
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}
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}
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END_CS;
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}
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static void r300_emit_draw_arrays(struct r300_context *r300,
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unsigned mode,
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unsigned count)
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{
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boolean alt_num_verts = count > 65535;
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CS_LOCALS(r300);
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if (count >= (1 << 24)) {
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fprintf(stderr, "r300: Got a huge number of vertices: %i, "
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"refusing to render.\n", count);
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return;
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}
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r300_emit_draw_init(r300, mode, count-1);
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BEGIN_CS(2 + (alt_num_verts ? 2 : 0));
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if (alt_num_verts) {
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OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
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}
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OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
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OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
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r300_translate_primitive(mode) |
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(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
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END_CS;
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}
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static void r300_emit_draw_elements(struct r300_context *r300,
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struct pipe_resource* indexBuffer,
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unsigned indexSize,
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unsigned max_index,
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unsigned mode,
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unsigned start,
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unsigned count,
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uint16_t *imm_indices3)
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{
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uint32_t count_dwords, offset_dwords;
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boolean alt_num_verts = count > 65535;
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CS_LOCALS(r300);
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if (count >= (1 << 24)) {
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fprintf(stderr, "r300: Got a huge number of vertices: %i, "
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"refusing to render (max_index: %i).\n", count, max_index);
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return;
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}
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DBG(r300, DBG_DRAW, "r300: Indexbuf of %u indices, max %u\n",
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count, max_index);
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r300_emit_draw_init(r300, mode, max_index);
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/* If start is odd, render the first triangle with indices embedded
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* in the command stream. This will increase start by 3 and make it
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* even. We can then proceed without a fallback. */
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if (indexSize == 2 && (start & 1) &&
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mode == PIPE_PRIM_TRIANGLES) {
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BEGIN_CS(4);
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OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 2);
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OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (3 << 16) |
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R300_VAP_VF_CNTL__PRIM_TRIANGLES);
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OUT_CS(imm_indices3[1] << 16 | imm_indices3[0]);
|
|
OUT_CS(imm_indices3[2]);
|
|
END_CS;
|
|
|
|
start += 3;
|
|
count -= 3;
|
|
if (!count)
|
|
return;
|
|
}
|
|
|
|
offset_dwords = indexSize * start / sizeof(uint32_t);
|
|
|
|
BEGIN_CS(8 + (alt_num_verts ? 2 : 0));
|
|
if (alt_num_verts) {
|
|
OUT_CS_REG(R500_VAP_ALT_NUM_VERTICES, count);
|
|
}
|
|
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
|
|
if (indexSize == 4) {
|
|
count_dwords = count;
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
|
|
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
|
|
r300_translate_primitive(mode) |
|
|
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
|
|
} else {
|
|
count_dwords = (count + 1) / 2;
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
|
|
r300_translate_primitive(mode) |
|
|
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
|
|
}
|
|
|
|
OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
|
|
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) |
|
|
(0 << R300_INDX_BUFFER_SKIP_SHIFT));
|
|
OUT_CS(offset_dwords << 2);
|
|
OUT_CS(count_dwords);
|
|
OUT_CS_RELOC(r300_resource(indexBuffer));
|
|
END_CS;
|
|
}
|
|
|
|
static void r300_draw_elements_immediate(struct r300_context *r300,
|
|
const struct pipe_draw_info *info,
|
|
const struct pipe_draw_start_count_bias *draw)
|
|
{
|
|
const uint8_t *ptr1;
|
|
const uint16_t *ptr2;
|
|
const uint32_t *ptr4;
|
|
unsigned index_size = info->index_size;
|
|
unsigned i, count_dwords = index_size == 4 ? draw->count :
|
|
(draw->count + 1) / 2;
|
|
CS_LOCALS(r300);
|
|
|
|
/* 19 dwords for r300_draw_elements_immediate. Give up if the function fails. */
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS |
|
|
PREP_INDEXED, NULL, 2+count_dwords, 0, draw->index_bias, -1))
|
|
return;
|
|
|
|
r300_emit_draw_init(r300, info->mode, info->max_index);
|
|
|
|
BEGIN_CS(2 + count_dwords);
|
|
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, count_dwords);
|
|
|
|
switch (index_size) {
|
|
case 1:
|
|
ptr1 = (uint8_t*)info->index.user;
|
|
ptr1 += draw->start;
|
|
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (draw->count << 16) |
|
|
r300_translate_primitive(info->mode));
|
|
|
|
if (draw->index_bias && !r300->screen->caps.is_r500) {
|
|
for (i = 0; i < draw->count-1; i += 2)
|
|
OUT_CS(((ptr1[i+1] + draw->index_bias) << 16) |
|
|
(ptr1[i] + draw->index_bias));
|
|
|
|
if (draw->count & 1)
|
|
OUT_CS(ptr1[i] + draw->index_bias);
|
|
} else {
|
|
for (i = 0; i < draw->count-1; i += 2)
|
|
OUT_CS(((ptr1[i+1]) << 16) |
|
|
(ptr1[i] ));
|
|
|
|
if (draw->count & 1)
|
|
OUT_CS(ptr1[i]);
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
ptr2 = (uint16_t*)info->index.user;
|
|
ptr2 += draw->start;
|
|
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (draw->count << 16) |
|
|
r300_translate_primitive(info->mode));
|
|
|
|
if (draw->index_bias && !r300->screen->caps.is_r500) {
|
|
for (i = 0; i < draw->count-1; i += 2)
|
|
OUT_CS(((ptr2[i+1] + draw->index_bias) << 16) |
|
|
(ptr2[i] + draw->index_bias));
|
|
|
|
if (draw->count & 1)
|
|
OUT_CS(ptr2[i] + draw->index_bias);
|
|
} else {
|
|
OUT_CS_TABLE(ptr2, count_dwords);
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
ptr4 = (uint32_t*)info->index.user;
|
|
ptr4 += draw->start;
|
|
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (draw->count << 16) |
|
|
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
|
|
r300_translate_primitive(info->mode));
|
|
|
|
if (draw->index_bias && !r300->screen->caps.is_r500) {
|
|
for (i = 0; i < draw->count; i++)
|
|
OUT_CS(ptr4[i] + draw->index_bias);
|
|
} else {
|
|
OUT_CS_TABLE(ptr4, count_dwords);
|
|
}
|
|
break;
|
|
}
|
|
END_CS;
|
|
}
|
|
|
|
static void r300_draw_elements(struct r300_context *r300,
|
|
const struct pipe_draw_info *info,
|
|
const struct pipe_draw_start_count_bias *draw,
|
|
int instance_id)
|
|
{
|
|
struct pipe_resource *indexBuffer =
|
|
info->has_user_indices ? NULL : info->index.resource;
|
|
unsigned indexSize = info->index_size;
|
|
struct pipe_resource* orgIndexBuffer = indexBuffer;
|
|
unsigned start = draw->start;
|
|
unsigned count = draw->count;
|
|
boolean alt_num_verts = r300->screen->caps.is_r500 &&
|
|
count > 65536;
|
|
unsigned short_count;
|
|
int buffer_offset = 0, index_offset = 0; /* for index bias emulation */
|
|
uint16_t indices3[3];
|
|
|
|
if (draw->index_bias && !r300->screen->caps.is_r500) {
|
|
r300_split_index_bias(r300, draw->index_bias, &buffer_offset,
|
|
&index_offset);
|
|
}
|
|
|
|
r300_translate_index_buffer(r300, info, &indexBuffer,
|
|
&indexSize, index_offset, &start, count);
|
|
|
|
/* Fallback for misaligned ushort indices. */
|
|
if (indexSize == 2 && (start & 1) && indexBuffer) {
|
|
/* If we got here, then orgIndexBuffer == indexBuffer. */
|
|
uint16_t *ptr = r300->rws->buffer_map(r300->rws, r300_resource(orgIndexBuffer)->buf,
|
|
&r300->cs,
|
|
PIPE_MAP_READ |
|
|
PIPE_MAP_UNSYNCHRONIZED);
|
|
|
|
if (info->mode == PIPE_PRIM_TRIANGLES) {
|
|
memcpy(indices3, ptr + start, 6);
|
|
} else {
|
|
/* Copy the mapped index buffer directly to the upload buffer.
|
|
* The start index will be aligned simply from the fact that
|
|
* every sub-buffer in the upload buffer is aligned. */
|
|
r300_upload_index_buffer(r300, &indexBuffer, indexSize, &start,
|
|
count, (uint8_t*)ptr);
|
|
}
|
|
} else {
|
|
if (info->has_user_indices)
|
|
r300_upload_index_buffer(r300, &indexBuffer, indexSize,
|
|
&start, count,
|
|
info->index.user);
|
|
}
|
|
|
|
/* 19 dwords for emit_draw_elements. Give up if the function fails. */
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS |
|
|
PREP_INDEXED, indexBuffer, 19, buffer_offset, draw->index_bias,
|
|
instance_id))
|
|
goto done;
|
|
|
|
if (alt_num_verts || count <= 65535) {
|
|
r300_emit_draw_elements(r300, indexBuffer, indexSize,
|
|
info->max_index, info->mode, start, count,
|
|
indices3);
|
|
} else {
|
|
do {
|
|
/* The maximum must be divisible by 4 and 3,
|
|
* so that quad and triangle lists are split correctly.
|
|
*
|
|
* Strips, loops, and fans won't work. */
|
|
short_count = MIN2(count, 65532);
|
|
|
|
r300_emit_draw_elements(r300, indexBuffer, indexSize,
|
|
info->max_index,
|
|
info->mode, start, short_count, indices3);
|
|
|
|
start += short_count;
|
|
count -= short_count;
|
|
|
|
/* 15 dwords for emit_draw_elements */
|
|
if (count) {
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS | PREP_INDEXED,
|
|
indexBuffer, 19, buffer_offset, draw->index_bias,
|
|
instance_id))
|
|
goto done;
|
|
}
|
|
} while (count);
|
|
}
|
|
|
|
done:
|
|
if (indexBuffer != orgIndexBuffer) {
|
|
pipe_resource_reference( &indexBuffer, NULL );
|
|
}
|
|
}
|
|
|
|
static void r300_draw_arrays(struct r300_context *r300,
|
|
const struct pipe_draw_info *info,
|
|
const struct pipe_draw_start_count_bias *draw,
|
|
int instance_id)
|
|
{
|
|
boolean alt_num_verts = r300->screen->caps.is_r500 &&
|
|
draw->count > 65536;
|
|
unsigned start = draw->start;
|
|
unsigned count = draw->count;
|
|
unsigned short_count;
|
|
|
|
/* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_EMIT_STATES | PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS,
|
|
NULL, 9, start, 0, instance_id))
|
|
return;
|
|
|
|
if (alt_num_verts || count <= 65535) {
|
|
r300_emit_draw_arrays(r300, info->mode, count);
|
|
} else {
|
|
do {
|
|
/* The maximum must be divisible by 4 and 3,
|
|
* so that quad and triangle lists are split correctly.
|
|
*
|
|
* Strips, loops, and fans won't work. */
|
|
short_count = MIN2(count, 65532);
|
|
r300_emit_draw_arrays(r300, info->mode, short_count);
|
|
|
|
start += short_count;
|
|
count -= short_count;
|
|
|
|
/* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */
|
|
if (count) {
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_VALIDATE_VBOS | PREP_EMIT_VARRAYS, NULL, 9,
|
|
start, 0, instance_id))
|
|
return;
|
|
}
|
|
} while (count);
|
|
}
|
|
}
|
|
|
|
static void r300_draw_arrays_instanced(struct r300_context *r300,
|
|
const struct pipe_draw_info *info,
|
|
const struct pipe_draw_start_count_bias *draw)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < info->instance_count; i++)
|
|
r300_draw_arrays(r300, info, draw, i);
|
|
}
|
|
|
|
static void r300_draw_elements_instanced(struct r300_context *r300,
|
|
const struct pipe_draw_info *info,
|
|
const struct pipe_draw_start_count_bias *draw)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < info->instance_count; i++)
|
|
r300_draw_elements(r300, info, draw, i);
|
|
}
|
|
|
|
static unsigned r300_max_vertex_count(struct r300_context *r300)
|
|
{
|
|
unsigned i, nr = r300->velems->count;
|
|
struct pipe_vertex_element *velems = r300->velems->velem;
|
|
unsigned result = ~0;
|
|
|
|
for (i = 0; i < nr; i++) {
|
|
struct pipe_vertex_buffer *vb =
|
|
&r300->vertex_buffer[velems[i].vertex_buffer_index];
|
|
unsigned size, max_count, value;
|
|
|
|
/* We're not interested in constant and per-instance attribs. */
|
|
if (!vb->buffer.resource ||
|
|
!vb->stride ||
|
|
velems[i].instance_divisor) {
|
|
continue;
|
|
}
|
|
|
|
size = vb->buffer.resource->width0;
|
|
|
|
/* Subtract buffer_offset. */
|
|
value = vb->buffer_offset;
|
|
if (value >= size) {
|
|
return 0;
|
|
}
|
|
size -= value;
|
|
|
|
/* Subtract src_offset. */
|
|
value = velems[i].src_offset;
|
|
if (value >= size) {
|
|
return 0;
|
|
}
|
|
size -= value;
|
|
|
|
/* Subtract format_size. */
|
|
value = r300->velems->format_size[i];
|
|
if (value >= size) {
|
|
return 0;
|
|
}
|
|
size -= value;
|
|
|
|
/* Compute the max count. */
|
|
max_count = 1 + size / vb->stride;
|
|
result = MIN2(result, max_count);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
static void r300_draw_vbo(struct pipe_context* pipe,
|
|
const struct pipe_draw_info *dinfo,
|
|
unsigned drawid_offset,
|
|
const struct pipe_draw_indirect_info *indirect,
|
|
const struct pipe_draw_start_count_bias *draws,
|
|
unsigned num_draws)
|
|
{
|
|
if (num_draws > 1) {
|
|
util_draw_multi(pipe, dinfo, drawid_offset, indirect, draws, num_draws);
|
|
return;
|
|
}
|
|
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct pipe_draw_info info = *dinfo;
|
|
struct pipe_draw_start_count_bias draw = draws[0];
|
|
|
|
if (r300->skip_rendering ||
|
|
!u_trim_pipe_prim(info.mode, &draw.count)) {
|
|
return;
|
|
}
|
|
|
|
r300_update_derived_state(r300);
|
|
|
|
/* Draw. */
|
|
if (info.index_size) {
|
|
unsigned max_count = r300_max_vertex_count(r300);
|
|
|
|
if (!max_count) {
|
|
fprintf(stderr, "r300: Skipping a draw command. There is a buffer "
|
|
" which is too small to be used for rendering.\n");
|
|
return;
|
|
}
|
|
|
|
if (max_count == ~0) {
|
|
/* There are no per-vertex vertex elements. Use the hardware maximum. */
|
|
max_count = 0xffffff;
|
|
}
|
|
|
|
info.max_index = max_count - 1;
|
|
|
|
if (info.instance_count <= 1) {
|
|
if (draw.count <= 8 && info.has_user_indices) {
|
|
r300_draw_elements_immediate(r300, &info, &draw);
|
|
} else {
|
|
r300_draw_elements(r300, &info, &draw, -1);
|
|
}
|
|
} else {
|
|
r300_draw_elements_instanced(r300, &info, &draw);
|
|
}
|
|
} else {
|
|
if (info.instance_count <= 1) {
|
|
if (immd_is_good_idea(r300, draw.count)) {
|
|
r300_draw_arrays_immediate(r300, &info, &draw);
|
|
} else {
|
|
r300_draw_arrays(r300, &info, &draw, -1);
|
|
}
|
|
} else {
|
|
r300_draw_arrays_instanced(r300, &info, &draw);
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* The rest of this file is for SW TCL rendering only. Please be polite and *
|
|
* keep these functions separated so that they are easier to locate. ~C. *
|
|
***************************************************************************/
|
|
|
|
/* SW TCL elements, using Draw. */
|
|
static void r300_swtcl_draw_vbo(struct pipe_context* pipe,
|
|
const struct pipe_draw_info *info,
|
|
unsigned drawid_offset,
|
|
const struct pipe_draw_indirect_info *indirect,
|
|
const struct pipe_draw_start_count_bias *draws,
|
|
unsigned num_draws)
|
|
{
|
|
if (num_draws > 1) {
|
|
util_draw_multi(pipe, info, drawid_offset, indirect, draws, num_draws);
|
|
return;
|
|
}
|
|
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct pipe_draw_start_count_bias draw = draws[0];
|
|
|
|
if (r300->skip_rendering) {
|
|
return;
|
|
}
|
|
|
|
if (!u_trim_pipe_prim(info->mode, &draw.count))
|
|
return;
|
|
|
|
if (info->index_size) {
|
|
draw_set_indexes(r300->draw,
|
|
info->has_user_indices ?
|
|
info->index.user :
|
|
r300_resource(info->index.resource)->malloced_buffer,
|
|
info->index_size, ~0);
|
|
}
|
|
|
|
r300_update_derived_state(r300);
|
|
|
|
draw_vbo(r300->draw, info, drawid_offset, NULL, &draw, 1, 0);
|
|
draw_flush(r300->draw);
|
|
}
|
|
|
|
/* Object for rendering using Draw. */
|
|
struct r300_render {
|
|
/* Parent class */
|
|
struct vbuf_render base;
|
|
|
|
/* Pipe context */
|
|
struct r300_context* r300;
|
|
|
|
/* Vertex information */
|
|
size_t vertex_size;
|
|
unsigned prim;
|
|
unsigned hwprim;
|
|
|
|
/* VBO */
|
|
size_t vbo_max_used;
|
|
uint8_t *vbo_ptr;
|
|
};
|
|
|
|
static inline struct r300_render*
|
|
r300_render(struct vbuf_render* render)
|
|
{
|
|
return (struct r300_render*)render;
|
|
}
|
|
|
|
static const struct vertex_info*
|
|
r300_render_get_vertex_info(struct vbuf_render* render)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
|
|
return &r300->vertex_info;
|
|
}
|
|
|
|
static boolean r300_render_allocate_vertices(struct vbuf_render* render,
|
|
ushort vertex_size,
|
|
ushort count)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
struct radeon_winsys *rws = r300->rws;
|
|
size_t size = (size_t)vertex_size * (size_t)count;
|
|
|
|
DBG(r300, DBG_DRAW, "r300: render_allocate_vertices (size: %d)\n", size);
|
|
|
|
if (!r300->vbo || size + r300->draw_vbo_offset > r300->vbo->size) {
|
|
pb_reference(&r300->vbo, NULL);
|
|
r300->vbo = NULL;
|
|
r300render->vbo_ptr = NULL;
|
|
|
|
r300->vbo = rws->buffer_create(rws,
|
|
MAX2(R300_MAX_DRAW_VBO_SIZE, size),
|
|
R300_BUFFER_ALIGNMENT,
|
|
RADEON_DOMAIN_GTT,
|
|
RADEON_FLAG_NO_INTERPROCESS_SHARING);
|
|
if (!r300->vbo) {
|
|
return FALSE;
|
|
}
|
|
r300->draw_vbo_offset = 0;
|
|
r300render->vbo_ptr = rws->buffer_map(rws, r300->vbo, &r300->cs,
|
|
PIPE_MAP_WRITE);
|
|
}
|
|
|
|
r300render->vertex_size = vertex_size;
|
|
return TRUE;
|
|
}
|
|
|
|
static void* r300_render_map_vertices(struct vbuf_render* render)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
|
|
DBG(r300, DBG_DRAW, "r300: render_map_vertices\n");
|
|
|
|
assert(r300render->vbo_ptr);
|
|
return r300render->vbo_ptr + r300->draw_vbo_offset;
|
|
}
|
|
|
|
static void r300_render_unmap_vertices(struct vbuf_render* render,
|
|
ushort min,
|
|
ushort max)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
|
|
DBG(r300, DBG_DRAW, "r300: render_unmap_vertices\n");
|
|
|
|
r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
|
|
r300render->vertex_size * (max + 1));
|
|
}
|
|
|
|
static void r300_render_release_vertices(struct vbuf_render* render)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
|
|
DBG(r300, DBG_DRAW, "r300: render_release_vertices\n");
|
|
|
|
r300->draw_vbo_offset += r300render->vbo_max_used;
|
|
r300render->vbo_max_used = 0;
|
|
}
|
|
|
|
static void r300_render_set_primitive(struct vbuf_render* render,
|
|
enum pipe_prim_type prim)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
|
|
r300render->prim = prim;
|
|
r300render->hwprim = r300_translate_primitive(prim);
|
|
}
|
|
|
|
static void r300_render_draw_arrays(struct vbuf_render* render,
|
|
unsigned start,
|
|
unsigned count)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
uint8_t* ptr;
|
|
unsigned i;
|
|
unsigned dwords = 6;
|
|
|
|
CS_LOCALS(r300);
|
|
(void) i; (void) ptr;
|
|
|
|
assert(start == 0);
|
|
assert(count < (1 << 16));
|
|
|
|
DBG(r300, DBG_DRAW, "r300: render_draw_arrays (count: %d)\n", count);
|
|
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL,
|
|
NULL, dwords, 0, 0, -1)) {
|
|
return;
|
|
}
|
|
|
|
BEGIN_CS(dwords);
|
|
OUT_CS_REG(R300_GA_COLOR_CONTROL,
|
|
r300_provoking_vertex_fixes(r300, r300render->prim));
|
|
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count - 1);
|
|
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
|
|
r300render->hwprim);
|
|
END_CS;
|
|
}
|
|
|
|
static void r300_render_draw_elements(struct vbuf_render* render,
|
|
const ushort* indices,
|
|
uint count)
|
|
{
|
|
struct r300_render* r300render = r300_render(render);
|
|
struct r300_context* r300 = r300render->r300;
|
|
unsigned max_index = (r300->vbo->size - r300->draw_vbo_offset) /
|
|
(r300render->r300->vertex_info.size * 4) - 1;
|
|
struct pipe_resource *index_buffer = NULL;
|
|
unsigned index_buffer_offset;
|
|
|
|
CS_LOCALS(r300);
|
|
DBG(r300, DBG_DRAW, "r300: render_draw_elements (count: %d)\n", count);
|
|
|
|
u_upload_data(r300->uploader, 0, count * 2, 4, indices,
|
|
&index_buffer_offset, &index_buffer);
|
|
if (!index_buffer) {
|
|
return;
|
|
}
|
|
|
|
if (!r300_prepare_for_rendering(r300,
|
|
PREP_EMIT_STATES |
|
|
PREP_EMIT_VARRAYS_SWTCL | PREP_INDEXED,
|
|
index_buffer, 12, 0, 0, -1)) {
|
|
pipe_resource_reference(&index_buffer, NULL);
|
|
return;
|
|
}
|
|
|
|
BEGIN_CS(12);
|
|
OUT_CS_REG(R300_GA_COLOR_CONTROL,
|
|
r300_provoking_vertex_fixes(r300, r300render->prim));
|
|
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max_index);
|
|
|
|
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
|
|
r300render->hwprim);
|
|
|
|
OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
|
|
OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2));
|
|
OUT_CS(index_buffer_offset);
|
|
OUT_CS((count + 1) / 2);
|
|
OUT_CS_RELOC(r300_resource(index_buffer));
|
|
END_CS;
|
|
|
|
pipe_resource_reference(&index_buffer, NULL);
|
|
}
|
|
|
|
static void r300_render_destroy(struct vbuf_render* render)
|
|
{
|
|
FREE(render);
|
|
}
|
|
|
|
static struct vbuf_render* r300_render_create(struct r300_context* r300)
|
|
{
|
|
struct r300_render* r300render = CALLOC_STRUCT(r300_render);
|
|
|
|
r300render->r300 = r300;
|
|
|
|
r300render->base.max_vertex_buffer_bytes = R300_MAX_DRAW_VBO_SIZE;
|
|
r300render->base.max_indices = 16 * 1024;
|
|
|
|
r300render->base.get_vertex_info = r300_render_get_vertex_info;
|
|
r300render->base.allocate_vertices = r300_render_allocate_vertices;
|
|
r300render->base.map_vertices = r300_render_map_vertices;
|
|
r300render->base.unmap_vertices = r300_render_unmap_vertices;
|
|
r300render->base.set_primitive = r300_render_set_primitive;
|
|
r300render->base.draw_elements = r300_render_draw_elements;
|
|
r300render->base.draw_arrays = r300_render_draw_arrays;
|
|
r300render->base.release_vertices = r300_render_release_vertices;
|
|
r300render->base.destroy = r300_render_destroy;
|
|
|
|
return &r300render->base;
|
|
}
|
|
|
|
struct draw_stage* r300_draw_stage(struct r300_context* r300)
|
|
{
|
|
struct vbuf_render* render;
|
|
struct draw_stage* stage;
|
|
|
|
render = r300_render_create(r300);
|
|
|
|
if (!render) {
|
|
return NULL;
|
|
}
|
|
|
|
stage = draw_vbuf_stage(r300->draw, render);
|
|
|
|
if (!stage) {
|
|
render->destroy(render);
|
|
return NULL;
|
|
}
|
|
|
|
draw_set_render(r300->draw, render);
|
|
|
|
return stage;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* End of SW TCL functions *
|
|
***************************************************************************/
|
|
|
|
/* This functions is used to draw a rectangle for the blitter module.
|
|
*
|
|
* If we rendered a quad, the pixels on the main diagonal
|
|
* would be computed and stored twice, which makes the clear/copy codepaths
|
|
* somewhat inefficient. Instead we use a rectangular point sprite. */
|
|
void r300_blitter_draw_rectangle(struct blitter_context *blitter,
|
|
void *vertex_elements_cso,
|
|
blitter_get_vs_func get_vs,
|
|
int x1, int y1, int x2, int y2,
|
|
float depth, unsigned num_instances,
|
|
enum blitter_attrib_type type,
|
|
const union blitter_attrib *attrib)
|
|
{
|
|
struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter));
|
|
unsigned last_sprite_coord_enable = r300->sprite_coord_enable;
|
|
unsigned width = x2 - x1;
|
|
unsigned height = y2 - y1;
|
|
unsigned vertex_size =
|
|
type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4;
|
|
unsigned dwords = 13 + vertex_size +
|
|
(type == UTIL_BLITTER_ATTRIB_TEXCOORD_XY ? 7 : 0);
|
|
static const union blitter_attrib zeros;
|
|
CS_LOCALS(r300);
|
|
|
|
/* XXX workaround for a lockup in MSAA resolve on SWTCL chipsets, this
|
|
* function most probably doesn't handle type=NONE correctly */
|
|
if ((!r300->screen->caps.has_tcl && type == UTIL_BLITTER_ATTRIB_NONE) ||
|
|
type == UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW ||
|
|
num_instances > 1) {
|
|
util_blitter_draw_rectangle(blitter, vertex_elements_cso, get_vs,
|
|
x1, y1, x2, y2,
|
|
depth, num_instances, type, attrib);
|
|
return;
|
|
}
|
|
|
|
if (r300->skip_rendering)
|
|
return;
|
|
|
|
r300->context.bind_vertex_elements_state(&r300->context, vertex_elements_cso);
|
|
r300->context.bind_vs_state(&r300->context, get_vs(blitter));
|
|
|
|
if (type == UTIL_BLITTER_ATTRIB_TEXCOORD_XY)
|
|
r300->sprite_coord_enable = 1;
|
|
|
|
r300_update_derived_state(r300);
|
|
|
|
/* Mark some states we don't care about as non-dirty. */
|
|
r300->viewport_state.dirty = FALSE;
|
|
|
|
if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1))
|
|
goto done;
|
|
|
|
DBG(r300, DBG_DRAW, "r300: draw_rectangle\n");
|
|
|
|
BEGIN_CS(dwords);
|
|
/* Set up GA. */
|
|
OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16));
|
|
|
|
if (type == UTIL_BLITTER_ATTRIB_TEXCOORD_XY) {
|
|
/* Set up the GA to generate texcoords. */
|
|
OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
|
|
(R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT));
|
|
OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
|
|
OUT_CS_32F(attrib->texcoord.x1);
|
|
OUT_CS_32F(attrib->texcoord.y2);
|
|
OUT_CS_32F(attrib->texcoord.x2);
|
|
OUT_CS_32F(attrib->texcoord.y1);
|
|
}
|
|
|
|
/* Set up VAP controls. */
|
|
OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
|
|
OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT);
|
|
OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size);
|
|
OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
|
|
OUT_CS(1);
|
|
OUT_CS(0);
|
|
|
|
/* Draw. */
|
|
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size);
|
|
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) |
|
|
R300_VAP_VF_CNTL__PRIM_POINTS);
|
|
|
|
OUT_CS_32F(x1 + width * 0.5f);
|
|
OUT_CS_32F(y1 + height * 0.5f);
|
|
OUT_CS_32F(depth);
|
|
OUT_CS_32F(1);
|
|
|
|
if (vertex_size == 8) {
|
|
if (!attrib)
|
|
attrib = &zeros;
|
|
OUT_CS_TABLE(attrib->color, 4);
|
|
}
|
|
END_CS;
|
|
|
|
done:
|
|
/* Restore the state. */
|
|
r300_mark_atom_dirty(r300, &r300->rs_state);
|
|
r300_mark_atom_dirty(r300, &r300->viewport_state);
|
|
|
|
r300->sprite_coord_enable = last_sprite_coord_enable;
|
|
}
|
|
|
|
void r300_init_render_functions(struct r300_context *r300)
|
|
{
|
|
/* Set draw functions based on presence of HW TCL. */
|
|
if (r300->screen->caps.has_tcl) {
|
|
r300->context.draw_vbo = r300_draw_vbo;
|
|
} else {
|
|
r300->context.draw_vbo = r300_swtcl_draw_vbo;
|
|
}
|
|
|
|
/* Plug in the two-sided stencil reference value fallback if needed. */
|
|
if (!r300->screen->caps.is_r500)
|
|
r300_plug_in_stencil_ref_fallback(r300);
|
|
}
|