1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "util/u_inlines.h"
27 #include "pipe/p_state.h"
30 #include "svga_context.h"
31 #include "svga_state.h"
32 #include "svga_debug.h"
33 #include "svga_hw_reg.h"
35 /***********************************************************************
40 * Given a gallium vertex element format, return the corresponding SVGA3D
41 * format. Return SVGA3D_DECLTYPE_MAX for unsupported gallium formats.
43 static INLINE SVGA3dDeclType
44 svga_translate_vertex_format(enum pipe_format format)
47 case PIPE_FORMAT_R32_FLOAT: return SVGA3D_DECLTYPE_FLOAT1;
48 case PIPE_FORMAT_R32G32_FLOAT: return SVGA3D_DECLTYPE_FLOAT2;
49 case PIPE_FORMAT_R32G32B32_FLOAT: return SVGA3D_DECLTYPE_FLOAT3;
50 case PIPE_FORMAT_R32G32B32A32_FLOAT: return SVGA3D_DECLTYPE_FLOAT4;
51 case PIPE_FORMAT_B8G8R8A8_UNORM: return SVGA3D_DECLTYPE_D3DCOLOR;
52 case PIPE_FORMAT_R8G8B8A8_USCALED: return SVGA3D_DECLTYPE_UBYTE4;
53 case PIPE_FORMAT_R16G16_SSCALED: return SVGA3D_DECLTYPE_SHORT2;
54 case PIPE_FORMAT_R16G16B16A16_SSCALED: return SVGA3D_DECLTYPE_SHORT4;
55 case PIPE_FORMAT_R8G8B8A8_UNORM: return SVGA3D_DECLTYPE_UBYTE4N;
56 case PIPE_FORMAT_R16G16_SNORM: return SVGA3D_DECLTYPE_SHORT2N;
57 case PIPE_FORMAT_R16G16B16A16_SNORM: return SVGA3D_DECLTYPE_SHORT4N;
58 case PIPE_FORMAT_R16G16_UNORM: return SVGA3D_DECLTYPE_USHORT2N;
59 case PIPE_FORMAT_R16G16B16A16_UNORM: return SVGA3D_DECLTYPE_USHORT4N;
60 case PIPE_FORMAT_R10G10B10X2_USCALED: return SVGA3D_DECLTYPE_UDEC3;
61 case PIPE_FORMAT_R10G10B10X2_SNORM: return SVGA3D_DECLTYPE_DEC3N;
62 case PIPE_FORMAT_R16G16_FLOAT: return SVGA3D_DECLTYPE_FLOAT16_2;
63 case PIPE_FORMAT_R16G16B16A16_FLOAT: return SVGA3D_DECLTYPE_FLOAT16_4;
66 /* There are many formats without hardware support. This case
67 * will be hit regularly, meaning we'll need swvfetch.
69 return SVGA3D_DECLTYPE_MAX;
74 static int update_need_swvfetch( struct svga_context *svga,
78 boolean need_swvfetch = FALSE;
80 if (!svga->curr.velems) {
81 /* No vertex elements bound. */
85 for (i = 0; i < svga->curr.velems->count; i++) {
86 svga->state.sw.ve_format[i] = svga_translate_vertex_format(svga->curr.velems->velem[i].src_format);
87 if (svga->state.sw.ve_format[i] == SVGA3D_DECLTYPE_MAX) {
88 /* Unsupported format - use software fetch */
94 if (need_swvfetch != svga->state.sw.need_swvfetch) {
95 svga->state.sw.need_swvfetch = need_swvfetch;
96 svga->dirty |= SVGA_NEW_NEED_SWVFETCH;
102 struct svga_tracked_state svga_update_need_swvfetch =
104 "update need_swvfetch",
105 ( SVGA_NEW_VELEMENT ),
110 /***********************************************************************
113 static int update_need_pipeline( struct svga_context *svga,
117 boolean need_pipeline = FALSE;
118 struct svga_vertex_shader *vs = svga->curr.vs;
120 /* SVGA_NEW_RAST, SVGA_NEW_REDUCED_PRIMITIVE
122 if (svga->curr.rast->need_pipeline & (1 << svga->curr.reduced_prim)) {
123 SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline (0x%x) & prim (0x%x)\n",
125 svga->curr.rast->need_pipeline,
126 (1 << svga->curr.reduced_prim) );
127 SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline tris (%s), lines (%s), points (%s)\n",
129 svga->curr.rast->need_pipeline_tris_str,
130 svga->curr.rast->need_pipeline_lines_str,
131 svga->curr.rast->need_pipeline_points_str);
132 need_pipeline = TRUE;
137 if (vs->base.info.writes_edgeflag) {
138 SVGA_DBG(DEBUG_SWTNL, "%s: edgeflags\n", __FUNCTION__);
139 need_pipeline = TRUE;
142 if (need_pipeline != svga->state.sw.need_pipeline) {
143 svga->state.sw.need_pipeline = need_pipeline;
144 svga->dirty |= SVGA_NEW_NEED_PIPELINE;
148 if (0 && svga->state.sw.need_pipeline)
149 debug_printf("sw.need_pipeline = %d\n", svga->state.sw.need_pipeline);
155 struct svga_tracked_state svga_update_need_pipeline =
160 SVGA_NEW_REDUCED_PRIMITIVE),
165 /***********************************************************************
168 static int update_need_swtnl( struct svga_context *svga,
173 if (svga->debug.no_swtnl) {
174 svga->state.sw.need_swvfetch = FALSE;
175 svga->state.sw.need_pipeline = FALSE;
178 need_swtnl = (svga->state.sw.need_swvfetch ||
179 svga->state.sw.need_pipeline);
181 if (svga->debug.force_swtnl) {
186 * Some state changes the draw module does makes us belive we
187 * we don't need swtnl. This causes the vdecl code to pickup
188 * the wrong buffers and vertex formats. Try trivial/line-wide.
190 if (svga->state.sw.in_swtnl_draw)
193 if (need_swtnl != svga->state.sw.need_swtnl) {
194 SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
195 "%s: need_swvfetch %s, need_pipeline %s\n",
197 svga->state.sw.need_swvfetch ? "true" : "false",
198 svga->state.sw.need_pipeline ? "true" : "false");
200 svga->state.sw.need_swtnl = need_swtnl;
201 svga->dirty |= SVGA_NEW_NEED_SWTNL;
202 svga->swtnl.new_vdecl = TRUE;
209 struct svga_tracked_state svga_update_need_swtnl =
212 (SVGA_NEW_NEED_PIPELINE |
213 SVGA_NEW_NEED_SWVFETCH),