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5564 | serge | 1 | /* |
2 | * Mesa 3-D graphics library |
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3 | * |
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4 | * Copyright (C) 2013 LunarG, Inc. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the "Software"), |
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8 | * to deal in the Software without restriction, including without limitation |
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9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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10 | * and/or sell copies of the Software, and to permit persons to whom the |
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11 | * Software is furnished to do so, subject to the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice shall be included |
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14 | * in all copies or substantial portions of the 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 NONINFRINGEMENT. IN NO EVENT SHALL |
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19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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22 | * DEALINGS IN THE SOFTWARE. |
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23 | * |
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24 | * Authors: |
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25 | * Chia-I Wu |
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26 | */ |
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27 | |||
28 | #include "genhw/genhw.h" |
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29 | #include "core/ilo_builder_mi.h" |
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30 | #include "core/ilo_builder_blt.h" |
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31 | #include "util/u_pack_color.h" |
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32 | |||
33 | #include "ilo_context.h" |
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34 | #include "ilo_cp.h" |
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35 | #include "ilo_blit.h" |
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36 | #include "ilo_resource.h" |
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37 | #include "ilo_blitter.h" |
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38 | |||
39 | static uint32_t |
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40 | ilo_blitter_blt_begin(struct ilo_blitter *blitter, int max_cmd_size, |
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41 | struct intel_bo *dst, |
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42 | enum gen_surface_tiling dst_tiling, |
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43 | struct intel_bo *src, |
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44 | enum gen_surface_tiling src_tiling) |
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45 | { |
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46 | struct ilo_cp *cp = blitter->ilo->cp; |
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47 | struct intel_bo *aper_check[2]; |
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48 | int count; |
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49 | uint32_t swctrl; |
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50 | |||
51 | /* change owner */ |
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52 | ilo_cp_set_owner(cp, INTEL_RING_BLT, NULL); |
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53 | |||
54 | /* check aperture space */ |
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55 | aper_check[0] = dst; |
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56 | count = 1; |
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57 | |||
58 | if (src) { |
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59 | aper_check[1] = src; |
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60 | count++; |
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61 | } |
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62 | |||
63 | if (!ilo_builder_validate(&cp->builder, count, aper_check)) |
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64 | ilo_cp_submit(cp, "out of aperture"); |
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65 | |||
66 | /* set BCS_SWCTRL */ |
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67 | swctrl = 0x0; |
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68 | |||
69 | assert(dst_tiling == GEN6_TILING_NONE || |
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70 | dst_tiling == GEN6_TILING_X || |
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71 | dst_tiling == GEN6_TILING_Y); |
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72 | assert(src_tiling == GEN6_TILING_NONE || |
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73 | src_tiling == GEN6_TILING_X || |
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74 | src_tiling == GEN6_TILING_Y); |
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75 | |||
76 | if (dst_tiling == GEN6_TILING_Y) { |
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77 | swctrl |= GEN6_REG_BCS_SWCTRL_DST_TILING_Y << 16 | |
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78 | GEN6_REG_BCS_SWCTRL_DST_TILING_Y; |
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79 | } |
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80 | |||
81 | if (src && src_tiling == GEN6_TILING_Y) { |
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82 | swctrl |= GEN6_REG_BCS_SWCTRL_SRC_TILING_Y << 16 | |
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83 | GEN6_REG_BCS_SWCTRL_SRC_TILING_Y; |
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84 | } |
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85 | |||
86 | /* |
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87 | * Most clients expect BLT engine to be stateless. If we have to set |
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88 | * BCS_SWCTRL to a non-default value, we have to set it back in the same |
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89 | * batch buffer. |
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90 | */ |
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91 | if (swctrl) |
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92 | max_cmd_size += (4 + 3) * 2; |
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93 | |||
94 | if (ilo_cp_space(cp) < max_cmd_size) { |
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95 | ilo_cp_submit(cp, "out of space"); |
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96 | assert(ilo_cp_space(cp) >= max_cmd_size); |
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97 | } |
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98 | |||
99 | if (swctrl) { |
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100 | /* |
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101 | * From the Ivy Bridge PRM, volume 1 part 4, page 133: |
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102 | * |
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103 | * "SW is required to flush the HW before changing the polarity of |
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104 | * this bit (Tile Y Destination/Source)." |
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105 | */ |
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106 | gen6_MI_FLUSH_DW(&cp->builder); |
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107 | gen6_MI_LOAD_REGISTER_IMM(&cp->builder, GEN6_REG_BCS_SWCTRL, swctrl); |
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108 | |||
109 | swctrl &= ~(GEN6_REG_BCS_SWCTRL_DST_TILING_Y | |
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110 | GEN6_REG_BCS_SWCTRL_SRC_TILING_Y); |
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111 | } |
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112 | |||
113 | return swctrl; |
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114 | } |
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115 | |||
116 | static void |
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117 | ilo_blitter_blt_end(struct ilo_blitter *blitter, uint32_t swctrl) |
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118 | { |
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119 | struct ilo_builder *builder = &blitter->ilo->cp->builder; |
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120 | |||
121 | /* set BCS_SWCTRL back */ |
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122 | if (swctrl) { |
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123 | gen6_MI_FLUSH_DW(builder); |
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124 | gen6_MI_LOAD_REGISTER_IMM(builder, GEN6_REG_BCS_SWCTRL, swctrl); |
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125 | } |
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126 | } |
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127 | |||
128 | static bool |
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129 | buf_clear_region(struct ilo_blitter *blitter, |
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130 | struct ilo_buffer *buf, unsigned offset, |
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131 | uint32_t val, unsigned size, |
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132 | enum gen6_blt_mask value_mask, |
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133 | enum gen6_blt_mask write_mask) |
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134 | { |
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135 | const uint8_t rop = 0xf0; /* PATCOPY */ |
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136 | const int cpp = gen6_blt_translate_value_cpp(value_mask); |
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137 | struct ilo_builder *builder = &blitter->ilo->cp->builder; |
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138 | struct gen6_blt_bo dst; |
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139 | |||
140 | if (offset % cpp || size % cpp) |
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141 | return false; |
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142 | |||
143 | dst.bo = buf->bo; |
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144 | dst.offset = offset; |
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145 | |||
146 | ilo_blitter_blt_begin(blitter, GEN6_COLOR_BLT__SIZE * |
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147 | (1 + size / 32764 / gen6_blt_max_scanlines), |
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148 | dst.bo, GEN6_TILING_NONE, NULL, GEN6_TILING_NONE); |
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149 | |||
150 | while (size) { |
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151 | unsigned width, height; |
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152 | |||
153 | width = size; |
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154 | height = 1; |
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155 | |||
156 | if (width > gen6_blt_max_bytes_per_scanline) { |
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157 | /* less than INT16_MAX and dword-aligned */ |
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158 | width = 32764; |
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159 | height = size / width; |
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160 | if (height > gen6_blt_max_scanlines) |
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161 | height = gen6_blt_max_scanlines; |
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162 | |||
163 | dst.pitch = width; |
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164 | } else { |
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165 | dst.pitch = 0; |
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166 | } |
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167 | |||
168 | gen6_COLOR_BLT(builder, &dst, val, |
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169 | width, height, rop, value_mask, write_mask); |
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170 | |||
171 | dst.offset += dst.pitch * height; |
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172 | size -= width * height; |
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173 | } |
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174 | |||
175 | ilo_blitter_blt_end(blitter, 0); |
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176 | |||
177 | return true; |
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178 | } |
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179 | |||
180 | static bool |
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181 | buf_copy_region(struct ilo_blitter *blitter, |
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182 | struct ilo_buffer *dst_buf, unsigned dst_offset, |
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183 | struct ilo_buffer *src_buf, unsigned src_offset, |
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184 | unsigned size) |
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185 | { |
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186 | const uint8_t rop = 0xcc; /* SRCCOPY */ |
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187 | struct ilo_builder *builder = &blitter->ilo->cp->builder; |
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188 | struct gen6_blt_bo dst, src; |
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189 | |||
190 | dst.bo = dst_buf->bo; |
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191 | dst.offset = dst_offset; |
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192 | dst.pitch = 0; |
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193 | |||
194 | src.bo = src_buf->bo; |
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195 | src.offset = src_offset; |
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196 | src.pitch = 0; |
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197 | |||
198 | ilo_blitter_blt_begin(blitter, GEN6_SRC_COPY_BLT__SIZE * |
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199 | (1 + size / 32764 / gen6_blt_max_scanlines), |
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200 | dst_buf->bo, GEN6_TILING_NONE, src_buf->bo, GEN6_TILING_NONE); |
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201 | |||
202 | while (size) { |
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203 | unsigned width, height; |
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204 | |||
205 | width = size; |
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206 | height = 1; |
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207 | |||
208 | if (width > gen6_blt_max_bytes_per_scanline) { |
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209 | /* less than INT16_MAX and dword-aligned */ |
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210 | width = 32764; |
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211 | height = size / width; |
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212 | if (height > gen6_blt_max_scanlines) |
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213 | height = gen6_blt_max_scanlines; |
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214 | |||
215 | dst.pitch = width; |
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216 | src.pitch = width; |
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217 | } else { |
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218 | dst.pitch = 0; |
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219 | src.pitch = 0; |
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220 | } |
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221 | |||
222 | gen6_SRC_COPY_BLT(builder, &dst, &src, |
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223 | width, height, rop, GEN6_BLT_MASK_8, GEN6_BLT_MASK_8); |
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224 | |||
225 | dst.offset += dst.pitch * height; |
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226 | src.offset += src.pitch * height; |
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227 | size -= width * height; |
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228 | } |
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229 | |||
230 | ilo_blitter_blt_end(blitter, 0); |
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231 | |||
232 | return true; |
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233 | } |
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234 | |||
235 | static bool |
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236 | tex_clear_region(struct ilo_blitter *blitter, |
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237 | struct ilo_texture *dst_tex, unsigned dst_level, |
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238 | const struct pipe_box *dst_box, |
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239 | uint32_t val, |
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240 | enum gen6_blt_mask value_mask, |
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241 | enum gen6_blt_mask write_mask) |
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242 | { |
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243 | const int cpp = gen6_blt_translate_value_cpp(value_mask); |
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244 | const unsigned max_extent = 32767; /* INT16_MAX */ |
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245 | const uint8_t rop = 0xf0; /* PATCOPY */ |
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246 | struct ilo_builder *builder = &blitter->ilo->cp->builder; |
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247 | struct gen6_blt_xy_bo dst; |
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248 | uint32_t swctrl; |
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249 | int slice; |
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250 | |||
251 | /* no W-tiling nor separate stencil support */ |
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252 | if (dst_tex->image.tiling == GEN8_TILING_W || dst_tex->separate_s8) |
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253 | return false; |
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254 | |||
255 | if (dst_tex->image.bo_stride > max_extent) |
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256 | return false; |
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257 | |||
258 | if (dst_box->width * cpp > gen6_blt_max_bytes_per_scanline) |
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259 | return false; |
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260 | |||
261 | dst.bo = dst_tex->image.bo; |
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262 | dst.offset = 0; |
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263 | dst.pitch = dst_tex->image.bo_stride; |
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264 | dst.tiling = dst_tex->image.tiling; |
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265 | |||
266 | swctrl = ilo_blitter_blt_begin(blitter, |
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267 | GEN6_XY_COLOR_BLT__SIZE * dst_box->depth, |
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268 | dst_tex->image.bo, dst_tex->image.tiling, NULL, GEN6_TILING_NONE); |
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269 | |||
270 | for (slice = 0; slice < dst_box->depth; slice++) { |
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271 | unsigned x, y; |
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272 | |||
273 | ilo_image_get_slice_pos(&dst_tex->image, |
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274 | dst_level, dst_box->z + slice, &x, &y); |
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275 | |||
276 | dst.x = x + dst_box->x; |
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277 | dst.y = y + dst_box->y; |
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278 | |||
279 | if (dst.x + dst_box->width > max_extent || |
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280 | dst.y + dst_box->height > max_extent) |
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281 | break; |
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282 | |||
283 | gen6_XY_COLOR_BLT(builder, &dst, val, |
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284 | dst_box->width, dst_box->height, rop, value_mask, write_mask); |
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285 | } |
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286 | |||
287 | ilo_blitter_blt_end(blitter, swctrl); |
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288 | |||
289 | return (slice == dst_box->depth); |
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290 | } |
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291 | |||
292 | static bool |
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293 | tex_copy_region(struct ilo_blitter *blitter, |
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294 | struct ilo_texture *dst_tex, |
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295 | unsigned dst_level, |
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296 | unsigned dst_x, unsigned dst_y, unsigned dst_z, |
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297 | struct ilo_texture *src_tex, |
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298 | unsigned src_level, |
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299 | const struct pipe_box *src_box) |
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300 | { |
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301 | const struct util_format_description *desc = |
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302 | util_format_description(dst_tex->image.format); |
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303 | const unsigned max_extent = 32767; /* INT16_MAX */ |
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304 | const uint8_t rop = 0xcc; /* SRCCOPY */ |
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305 | struct ilo_builder *builder = &blitter->ilo->cp->builder; |
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306 | enum gen6_blt_mask mask; |
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307 | struct gen6_blt_xy_bo dst, src; |
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308 | uint32_t swctrl; |
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309 | int cpp, xscale, slice; |
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310 | |||
311 | /* no W-tiling nor separate stencil support */ |
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312 | if (dst_tex->image.tiling == GEN8_TILING_W || dst_tex->separate_s8 || |
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313 | src_tex->image.tiling == GEN8_TILING_W || src_tex->separate_s8) |
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314 | return false; |
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315 | |||
316 | if (dst_tex->image.bo_stride > max_extent || |
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317 | src_tex->image.bo_stride > max_extent) |
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318 | return false; |
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319 | |||
320 | cpp = desc->block.bits / 8; |
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321 | xscale = 1; |
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322 | |||
323 | /* accommodate for larger cpp */ |
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324 | if (cpp > 4) { |
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325 | if (cpp % 2 == 1) |
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326 | return false; |
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327 | |||
328 | cpp = (cpp % 4 == 0) ? 4 : 2; |
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329 | xscale = (desc->block.bits / 8) / cpp; |
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330 | } |
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331 | |||
332 | if (src_box->width * cpp * xscale > gen6_blt_max_bytes_per_scanline) |
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333 | return false; |
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334 | |||
335 | switch (cpp) { |
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336 | case 1: |
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337 | mask = GEN6_BLT_MASK_8; |
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338 | break; |
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339 | case 2: |
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340 | mask = GEN6_BLT_MASK_16; |
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341 | break; |
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342 | case 4: |
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343 | mask = GEN6_BLT_MASK_32; |
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344 | break; |
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345 | default: |
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346 | return false; |
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347 | break; |
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348 | } |
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349 | |||
350 | dst.bo = dst_tex->image.bo; |
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351 | dst.offset = 0; |
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352 | dst.pitch = dst_tex->image.bo_stride; |
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353 | dst.tiling = dst_tex->image.tiling; |
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354 | |||
355 | src.bo = src_tex->image.bo; |
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356 | src.offset = 0; |
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357 | src.pitch = src_tex->image.bo_stride; |
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358 | src.tiling = src_tex->image.tiling; |
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359 | |||
360 | swctrl = ilo_blitter_blt_begin(blitter, |
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361 | GEN6_XY_SRC_COPY_BLT__SIZE * src_box->depth, |
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362 | dst.bo, dst.tiling, src.bo, src.tiling); |
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363 | |||
364 | for (slice = 0; slice < src_box->depth; slice++) { |
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365 | unsigned dx, dy, sx, sy, width, height; |
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366 | |||
367 | ilo_image_get_slice_pos(&dst_tex->image, |
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368 | dst_level, dst_z + slice, &dx, &dy); |
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369 | ilo_image_get_slice_pos(&src_tex->image, |
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370 | src_level, src_box->z + slice, &sx, &sy); |
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371 | |||
372 | dst.x = (dx + dst_x) * xscale; |
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373 | dst.y = dy + dst_y; |
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374 | src.x = (sx + src_box->x) * xscale; |
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375 | src.y = sy + src_box->y; |
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376 | width = src_box->width * xscale; |
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377 | height = src_box->height; |
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378 | |||
379 | /* in blocks */ |
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380 | dst.x /= desc->block.width; |
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381 | dst.y /= desc->block.height; |
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382 | src.x /= desc->block.width; |
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383 | src.y /= desc->block.height; |
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384 | width /= desc->block.width; |
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385 | height /= desc->block.height; |
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386 | |||
387 | if (src.x + width > max_extent || src.y + height > max_extent || |
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388 | dst.x + width > max_extent || dst.y + height > max_extent) |
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389 | break; |
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390 | |||
391 | gen6_XY_SRC_COPY_BLT(builder, &dst, &src, |
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392 | width, height, rop, mask, mask); |
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393 | } |
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394 | |||
395 | ilo_blitter_blt_end(blitter, swctrl); |
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396 | |||
397 | return (slice == src_box->depth); |
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398 | } |
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399 | |||
400 | bool |
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401 | ilo_blitter_blt_copy_resource(struct ilo_blitter *blitter, |
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402 | struct pipe_resource *dst, unsigned dst_level, |
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403 | unsigned dst_x, unsigned dst_y, unsigned dst_z, |
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404 | struct pipe_resource *src, unsigned src_level, |
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405 | const struct pipe_box *src_box) |
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406 | { |
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407 | bool success; |
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408 | |||
409 | ilo_blit_resolve_slices(blitter->ilo, src, src_level, |
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410 | src_box->z, src_box->depth, ILO_TEXTURE_BLT_READ); |
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411 | ilo_blit_resolve_slices(blitter->ilo, dst, dst_level, |
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412 | dst_z, src_box->depth, ILO_TEXTURE_BLT_WRITE); |
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413 | |||
414 | if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { |
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415 | const unsigned dst_offset = dst_x; |
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416 | const unsigned src_offset = src_box->x; |
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417 | const unsigned size = src_box->width; |
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418 | |||
419 | assert(dst_level == 0 && dst_y == 0 && dst_z == 0); |
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420 | assert(src_level == 0 && |
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421 | src_box->y == 0 && |
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422 | src_box->z == 0 && |
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423 | src_box->height == 1 && |
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424 | src_box->depth == 1); |
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425 | |||
426 | success = buf_copy_region(blitter, |
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427 | ilo_buffer(dst), dst_offset, ilo_buffer(src), src_offset, size); |
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428 | } |
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429 | else if (dst->target != PIPE_BUFFER && src->target != PIPE_BUFFER) { |
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430 | success = tex_copy_region(blitter, |
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431 | ilo_texture(dst), dst_level, dst_x, dst_y, dst_z, |
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432 | ilo_texture(src), src_level, src_box); |
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433 | } |
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434 | else { |
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435 | success = false; |
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436 | } |
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437 | |||
438 | return success; |
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439 | } |
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440 | |||
441 | bool |
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442 | ilo_blitter_blt_clear_rt(struct ilo_blitter *blitter, |
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443 | struct pipe_surface *rt, |
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444 | const union pipe_color_union *color, |
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445 | unsigned x, unsigned y, |
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446 | unsigned width, unsigned height) |
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447 | { |
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448 | const int cpp = util_format_get_blocksize(rt->format); |
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449 | enum gen6_blt_mask mask; |
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450 | union util_color packed; |
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451 | bool success; |
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452 | |||
453 | if (ilo_skip_rendering(blitter->ilo)) |
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454 | return true; |
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455 | |||
456 | switch (cpp) { |
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457 | case 1: |
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458 | mask = GEN6_BLT_MASK_8; |
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459 | break; |
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460 | case 2: |
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461 | mask = GEN6_BLT_MASK_16; |
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462 | break; |
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463 | case 4: |
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464 | mask = GEN6_BLT_MASK_32; |
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465 | break; |
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466 | default: |
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467 | return false; |
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468 | break; |
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469 | } |
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470 | |||
471 | if (util_format_is_pure_integer(rt->format) || |
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472 | util_format_is_compressed(rt->format)) |
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473 | return false; |
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474 | |||
475 | ilo_blit_resolve_surface(blitter->ilo, rt, ILO_TEXTURE_BLT_WRITE); |
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476 | |||
477 | util_pack_color(color->f, rt->format, &packed); |
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478 | |||
479 | if (rt->texture->target == PIPE_BUFFER) { |
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480 | unsigned offset, end, size; |
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481 | |||
482 | assert(y == 0 && height == 1); |
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483 | |||
484 | offset = (rt->u.buf.first_element + x) * cpp; |
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485 | end = (rt->u.buf.last_element + 1) * cpp; |
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486 | |||
487 | size = width * cpp; |
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488 | if (offset + size > end) |
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489 | size = end - offset; |
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490 | |||
491 | success = buf_clear_region(blitter, ilo_buffer(rt->texture), |
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492 | offset, packed.ui[0], size, mask, mask); |
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493 | } |
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494 | else { |
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495 | struct pipe_box box; |
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496 | |||
497 | u_box_3d(x, y, rt->u.tex.first_layer, width, height, |
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498 | rt->u.tex.last_layer - rt->u.tex.first_layer + 1, &box); |
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499 | |||
500 | success = tex_clear_region(blitter, ilo_texture(rt->texture), |
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501 | rt->u.tex.level, &box, packed.ui[0], mask, mask); |
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502 | } |
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503 | |||
504 | return success; |
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505 | } |
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506 | |||
507 | bool |
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508 | ilo_blitter_blt_clear_zs(struct ilo_blitter *blitter, |
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509 | struct pipe_surface *zs, |
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510 | unsigned clear_flags, |
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511 | double depth, unsigned stencil, |
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512 | unsigned x, unsigned y, |
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513 | unsigned width, unsigned height) |
||
514 | { |
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515 | enum gen6_blt_mask value_mask, write_mask; |
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516 | struct pipe_box box; |
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517 | uint32_t val; |
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518 | |||
519 | if (ilo_skip_rendering(blitter->ilo)) |
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520 | return true; |
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521 | |||
522 | switch (zs->format) { |
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523 | case PIPE_FORMAT_Z16_UNORM: |
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524 | if (!(clear_flags & PIPE_CLEAR_DEPTH)) |
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525 | return true; |
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526 | |||
527 | value_mask = GEN6_BLT_MASK_16; |
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528 | write_mask = GEN6_BLT_MASK_16; |
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529 | break; |
||
530 | case PIPE_FORMAT_Z32_FLOAT: |
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531 | if (!(clear_flags & PIPE_CLEAR_DEPTH)) |
||
532 | return true; |
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533 | |||
534 | value_mask = GEN6_BLT_MASK_32; |
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535 | write_mask = GEN6_BLT_MASK_32; |
||
536 | break; |
||
537 | case PIPE_FORMAT_Z24X8_UNORM: |
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538 | if (!(clear_flags & PIPE_CLEAR_DEPTH)) |
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539 | return true; |
||
540 | |||
541 | value_mask = GEN6_BLT_MASK_32; |
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542 | write_mask = GEN6_BLT_MASK_32_LO; |
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543 | break; |
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544 | case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
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545 | if (!(clear_flags & PIPE_CLEAR_DEPTHSTENCIL)) |
||
546 | return true; |
||
547 | |||
548 | value_mask = GEN6_BLT_MASK_32; |
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549 | |||
550 | if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) |
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551 | write_mask = GEN6_BLT_MASK_32; |
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552 | else if (clear_flags & PIPE_CLEAR_DEPTH) |
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553 | write_mask = GEN6_BLT_MASK_32_LO; |
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554 | else |
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555 | write_mask = GEN6_BLT_MASK_32_HI; |
||
556 | break; |
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557 | default: |
||
558 | return false; |
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559 | break; |
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560 | } |
||
561 | |||
562 | ilo_blit_resolve_surface(blitter->ilo, zs, ILO_TEXTURE_BLT_WRITE); |
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563 | |||
564 | val = util_pack_z_stencil(zs->format, depth, stencil); |
||
565 | |||
566 | u_box_3d(x, y, zs->u.tex.first_layer, width, height, |
||
567 | zs->u.tex.last_layer - zs->u.tex.first_layer + 1, &box); |
||
568 | |||
569 | assert(zs->texture->target != PIPE_BUFFER); |
||
570 | |||
571 | return tex_clear_region(blitter, ilo_texture(zs->texture), |
||
572 | zs->u.tex.level, &box, val, value_mask, write_mask); |
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573 | }>>>><>><> |