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4358 | Serge | 1 | /* |
2 | * Copyright 2008 Corbin Simpson |
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3 | * Copyright 2010 Marek Olšák |
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4 | * |
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5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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6 | * copy of this software and associated documentation files (the "Software"), |
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7 | * to deal in the Software without restriction, including without limitation |
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8 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
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9 | * license, and/or sell copies of the Software, and to permit persons to whom |
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10 | * the Software is furnished to do so, subject to the following conditions: |
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11 | * |
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12 | * The above copyright notice and this permission notice (including the next |
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13 | * paragraph) shall be included in all copies or substantial portions of the |
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14 | * Software. |
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15 | * |
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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18 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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19 | * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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20 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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21 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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22 | * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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23 | |||
24 | #include "draw/draw_context.h" |
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25 | #include "draw/draw_private.h" |
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26 | |||
27 | #include "util/u_simple_list.h" |
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28 | #include "util/u_upload_mgr.h" |
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29 | |||
30 | #include "os/os_time.h" |
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31 | |||
32 | #include "r300_context.h" |
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33 | #include "r300_cs.h" |
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34 | #include "r300_emit.h" |
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35 | |||
36 | |||
37 | static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags) |
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38 | { |
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39 | struct r300_atom *atom; |
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40 | |||
41 | r300_emit_hyperz_end(r300); |
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42 | r300_emit_query_end(r300); |
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43 | if (r300->screen->caps.is_r500) |
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44 | r500_emit_index_bias(r300, 0); |
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45 | |||
46 | /* The DDX doesn't set these regs. */ |
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47 | if (r300->screen->info.drm_minor >= 6) { |
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48 | CS_LOCALS(r300); |
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49 | OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2); |
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50 | OUT_CS(0x66666666); |
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51 | OUT_CS(0x6666666); |
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52 | } |
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53 | |||
54 | r300->flush_counter++; |
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55 | r300->rws->cs_flush(r300->cs, flags, 0); |
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56 | r300->dirty_hw = 0; |
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57 | |||
58 | /* New kitchen sink, baby. */ |
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59 | foreach_atom(r300, atom) { |
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60 | if (atom->state || atom->allow_null_state) { |
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61 | r300_mark_atom_dirty(r300, atom); |
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62 | } |
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63 | } |
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64 | r300->vertex_arrays_dirty = TRUE; |
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65 | |||
66 | /* Unmark HWTCL state for SWTCL. */ |
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67 | if (!r300->screen->caps.has_tcl) { |
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68 | r300->vs_state.dirty = FALSE; |
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69 | r300->vs_constants.dirty = FALSE; |
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70 | r300->clip_state.dirty = FALSE; |
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71 | } |
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72 | } |
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73 | |||
74 | void r300_flush(struct pipe_context *pipe, |
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75 | unsigned flags, |
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76 | struct pipe_fence_handle **fence) |
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77 | { |
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78 | struct r300_context *r300 = r300_context(pipe); |
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79 | struct pb_buffer **rfence = (struct pb_buffer**)fence; |
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80 | |||
81 | if (r300->screen->info.drm_minor >= 12) { |
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82 | flags |= RADEON_FLUSH_KEEP_TILING_FLAGS; |
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83 | } |
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84 | |||
85 | if (rfence) { |
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86 | /* Create a fence, which is a dummy BO. */ |
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87 | *rfence = r300->rws->buffer_create(r300->rws, 1, 1, TRUE, |
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88 | RADEON_DOMAIN_GTT); |
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89 | /* Add the fence as a dummy relocation. */ |
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90 | r300->rws->cs_add_reloc(r300->cs, |
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91 | r300->rws->buffer_get_cs_handle(*rfence), |
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92 | RADEON_USAGE_READWRITE, RADEON_DOMAIN_GTT); |
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93 | } |
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94 | |||
95 | if (r300->dirty_hw) { |
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96 | r300_flush_and_cleanup(r300, flags); |
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97 | } else { |
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98 | if (rfence) { |
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99 | /* We have to create a fence object, but the command stream is empty |
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100 | * and we cannot emit an empty CS. Let's write to some reg. */ |
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101 | CS_LOCALS(r300); |
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102 | OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0); |
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103 | r300->rws->cs_flush(r300->cs, flags, 0); |
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104 | } else { |
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105 | /* Even if hw is not dirty, we should at least reset the CS in case |
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106 | * the space checking failed for the first draw operation. */ |
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107 | r300->rws->cs_flush(r300->cs, flags, 0); |
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108 | } |
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109 | } |
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110 | |||
111 | /* Update Hyper-Z status. */ |
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112 | if (r300->hyperz_enabled) { |
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113 | /* If there was a Z clear, keep Hyper-Z access. */ |
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114 | if (r300->num_z_clears) { |
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115 | r300->hyperz_time_of_last_flush = os_time_get(); |
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116 | r300->num_z_clears = 0; |
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117 | } else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) { |
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118 | /* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */ |
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119 | r300->hiz_in_use = FALSE; |
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120 | |||
121 | /* Decompress the Z buffer. */ |
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122 | if (r300->zmask_in_use) { |
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123 | if (r300->locked_zbuffer) { |
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124 | r300_decompress_zmask_locked(r300); |
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125 | } else { |
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126 | r300_decompress_zmask(r300); |
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127 | } |
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128 | |||
129 | r300_flush_and_cleanup(r300, flags); |
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130 | } |
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131 | |||
132 | /* Revoke Hyper-Z access, so that some other process can take it. */ |
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133 | r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS, |
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134 | FALSE); |
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135 | r300->hyperz_enabled = FALSE; |
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136 | } |
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137 | } |
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138 | } |
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139 | |||
140 | static void r300_flush_wrapped(struct pipe_context *pipe, |
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141 | struct pipe_fence_handle **fence, |
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142 | unsigned flags) |
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143 | { |
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144 | r300_flush(pipe, |
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145 | flags & PIPE_FLUSH_END_OF_FRAME ? RADEON_FLUSH_END_OF_FRAME : 0, |
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146 | fence); |
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147 | } |
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148 | |||
149 | void r300_init_flush_functions(struct r300_context* r300) |
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150 | { |
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151 | r300->context.flush = r300_flush_wrapped; |
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152 | } |