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Rev | Author | Line No. | Line |
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5564 | serge | 1 | /* |
2 | * Copyright © 2011 Intel Corporation |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the next |
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12 | * paragraph) shall be included in all copies or substantial portions of the |
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13 | * Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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18 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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19 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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20 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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21 | * 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 | * Benjamin Franzke |
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26 | */ |
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27 | |||
28 | #include |
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29 | #include |
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30 | #include |
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31 | #include |
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32 | #include |
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33 | #include |
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34 | #include |
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35 | |||
36 | #include |
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37 | #include |
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38 | #include |
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39 | #include |
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40 | |||
41 | #include |
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42 | #include |
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43 | |||
44 | #include "gbm_driint.h" |
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45 | |||
46 | #include "gbmint.h" |
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47 | #include "loader.h" |
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48 | |||
49 | /* For importing wl_buffer */ |
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50 | #if HAVE_WAYLAND_PLATFORM |
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51 | #include "../../../egl/wayland/wayland-drm/wayland-drm.h" |
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52 | #endif |
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53 | |||
54 | static __DRIimage * |
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55 | dri_lookup_egl_image(__DRIscreen *screen, void *image, void *data) |
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56 | { |
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57 | struct gbm_dri_device *dri = data; |
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58 | |||
59 | if (dri->lookup_image == NULL) |
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60 | return NULL; |
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61 | |||
62 | return dri->lookup_image(screen, image, dri->lookup_user_data); |
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63 | } |
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64 | |||
65 | static __DRIbuffer * |
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66 | dri_get_buffers(__DRIdrawable * driDrawable, |
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67 | int *width, int *height, |
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68 | unsigned int *attachments, int count, |
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69 | int *out_count, void *data) |
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70 | { |
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71 | struct gbm_dri_surface *surf = data; |
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72 | struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
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73 | |||
74 | if (dri->get_buffers == NULL) |
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75 | return NULL; |
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76 | |||
77 | return dri->get_buffers(driDrawable, width, height, attachments, |
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78 | count, out_count, surf->dri_private); |
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79 | } |
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80 | |||
81 | static void |
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82 | dri_flush_front_buffer(__DRIdrawable * driDrawable, void *data) |
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83 | { |
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84 | struct gbm_dri_surface *surf = data; |
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85 | struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
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86 | |||
87 | if (dri->flush_front_buffer != NULL) |
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88 | dri->flush_front_buffer(driDrawable, surf->dri_private); |
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89 | } |
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90 | |||
91 | static __DRIbuffer * |
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92 | dri_get_buffers_with_format(__DRIdrawable * driDrawable, |
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93 | int *width, int *height, |
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94 | unsigned int *attachments, int count, |
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95 | int *out_count, void *data) |
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96 | { |
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97 | struct gbm_dri_surface *surf = data; |
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98 | struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
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99 | |||
100 | if (dri->get_buffers_with_format == NULL) |
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101 | return NULL; |
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102 | |||
103 | return |
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104 | dri->get_buffers_with_format(driDrawable, width, height, attachments, |
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105 | count, out_count, surf->dri_private); |
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106 | } |
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107 | |||
108 | static int |
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109 | image_get_buffers(__DRIdrawable *driDrawable, |
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110 | unsigned int format, |
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111 | uint32_t *stamp, |
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112 | void *loaderPrivate, |
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113 | uint32_t buffer_mask, |
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114 | struct __DRIimageList *buffers) |
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115 | { |
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116 | struct gbm_dri_surface *surf = loaderPrivate; |
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117 | struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
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118 | |||
119 | if (dri->image_get_buffers == NULL) |
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120 | return 0; |
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121 | |||
122 | return dri->image_get_buffers(driDrawable, format, stamp, |
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123 | surf->dri_private, buffer_mask, buffers); |
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124 | } |
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125 | |||
126 | static void |
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127 | swrast_get_drawable_info(__DRIdrawable *driDrawable, |
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128 | int *x, |
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129 | int *y, |
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130 | int *width, |
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131 | int *height, |
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132 | void *loaderPrivate) |
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133 | { |
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134 | struct gbm_dri_surface *surf = loaderPrivate; |
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135 | |||
136 | *x = 0; |
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137 | *y = 0; |
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138 | *width = surf->base.width; |
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139 | *height = surf->base.height; |
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140 | } |
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141 | |||
142 | static void |
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143 | swrast_put_image2(__DRIdrawable *driDrawable, |
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144 | int op, |
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145 | int x, |
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146 | int y, |
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147 | int width, |
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148 | int height, |
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149 | int stride, |
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150 | char *data, |
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151 | void *loaderPrivate) |
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152 | { |
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153 | struct gbm_dri_surface *surf = loaderPrivate; |
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154 | struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
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155 | |||
156 | dri->swrast_put_image2(driDrawable, |
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157 | op, x, y, |
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158 | width, height, stride, |
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159 | data, surf->dri_private); |
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160 | } |
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161 | |||
162 | static void |
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163 | swrast_put_image(__DRIdrawable *driDrawable, |
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164 | int op, |
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165 | int x, |
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166 | int y, |
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167 | int width, |
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168 | int height, |
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169 | char *data, |
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170 | void *loaderPrivate) |
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171 | { |
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172 | return swrast_put_image2(driDrawable, op, x, y, width, height, |
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173 | width * 4, data, loaderPrivate); |
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174 | } |
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175 | |||
176 | static void |
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177 | swrast_get_image(__DRIdrawable *driDrawable, |
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178 | int x, |
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179 | int y, |
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180 | int width, |
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181 | int height, |
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182 | char *data, |
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183 | void *loaderPrivate) |
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184 | { |
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185 | struct gbm_dri_surface *surf = loaderPrivate; |
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186 | struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
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187 | |||
188 | dri->swrast_get_image(driDrawable, |
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189 | x, y, |
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190 | width, height, |
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191 | data, surf->dri_private); |
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192 | } |
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193 | |||
194 | static const __DRIuseInvalidateExtension use_invalidate = { |
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195 | .base = { __DRI_USE_INVALIDATE, 1 } |
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196 | }; |
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197 | |||
198 | static const __DRIimageLookupExtension image_lookup_extension = { |
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199 | .base = { __DRI_IMAGE_LOOKUP, 1 }, |
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200 | |||
201 | .lookupEGLImage = dri_lookup_egl_image |
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202 | }; |
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203 | |||
204 | static const __DRIdri2LoaderExtension dri2_loader_extension = { |
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205 | .base = { __DRI_DRI2_LOADER, 3 }, |
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206 | |||
207 | .getBuffers = dri_get_buffers, |
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208 | .flushFrontBuffer = dri_flush_front_buffer, |
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209 | .getBuffersWithFormat = dri_get_buffers_with_format, |
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210 | }; |
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211 | |||
212 | static const __DRIimageLoaderExtension image_loader_extension = { |
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213 | .base = { __DRI_IMAGE_LOADER, 1 }, |
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214 | |||
215 | .getBuffers = image_get_buffers, |
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216 | .flushFrontBuffer = dri_flush_front_buffer, |
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217 | }; |
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218 | |||
219 | static const __DRIswrastLoaderExtension swrast_loader_extension = { |
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220 | .base = { __DRI_SWRAST_LOADER, 2 }, |
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221 | |||
222 | .getDrawableInfo = swrast_get_drawable_info, |
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223 | .putImage = swrast_put_image, |
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224 | .getImage = swrast_get_image, |
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225 | .putImage2 = swrast_put_image2 |
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226 | }; |
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227 | |||
228 | static const __DRIextension *gbm_dri_screen_extensions[] = { |
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229 | &image_lookup_extension.base, |
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230 | &use_invalidate.base, |
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231 | &dri2_loader_extension.base, |
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232 | &image_loader_extension.base, |
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233 | &swrast_loader_extension.base, |
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234 | NULL, |
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235 | }; |
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236 | |||
237 | struct dri_extension_match { |
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238 | const char *name; |
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239 | int version; |
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240 | int offset; |
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241 | }; |
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242 | |||
243 | static struct dri_extension_match dri_core_extensions[] = { |
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244 | { __DRI2_FLUSH, 1, offsetof(struct gbm_dri_device, flush) }, |
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245 | { __DRI_IMAGE, 1, offsetof(struct gbm_dri_device, image) }, |
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246 | { NULL, 0, 0 } |
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247 | }; |
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248 | |||
249 | static struct dri_extension_match gbm_dri_device_extensions[] = { |
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250 | { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core) }, |
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251 | { __DRI_DRI2, 1, offsetof(struct gbm_dri_device, dri2) }, |
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252 | { NULL, 0, 0 } |
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253 | }; |
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254 | |||
255 | static struct dri_extension_match gbm_swrast_device_extensions[] = { |
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256 | { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core), }, |
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257 | { __DRI_SWRAST, 1, offsetof(struct gbm_dri_device, swrast) }, |
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258 | { NULL, 0, 0 } |
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259 | }; |
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260 | |||
261 | static int |
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262 | dri_bind_extensions(struct gbm_dri_device *dri, |
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263 | struct dri_extension_match *matches, |
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264 | const __DRIextension **extensions) |
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265 | { |
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266 | int i, j, ret = 0; |
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267 | void *field; |
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268 | |||
269 | for (i = 0; extensions[i]; i++) { |
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270 | for (j = 0; matches[j].name; j++) { |
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271 | if (strcmp(extensions[i]->name, matches[j].name) == 0 && |
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272 | extensions[i]->version >= matches[j].version) { |
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273 | field = ((char *) dri + matches[j].offset); |
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274 | *(const __DRIextension **) field = extensions[i]; |
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275 | } |
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276 | } |
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277 | } |
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278 | |||
279 | for (j = 0; matches[j].name; j++) { |
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280 | field = ((char *) dri + matches[j].offset); |
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281 | if (*(const __DRIextension **) field == NULL) { |
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282 | ret = -1; |
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283 | } |
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284 | } |
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285 | |||
286 | return ret; |
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287 | } |
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288 | |||
289 | static const __DRIextension ** |
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290 | dri_open_driver(struct gbm_dri_device *dri) |
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291 | { |
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292 | const __DRIextension **extensions = NULL; |
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293 | char path[PATH_MAX], *search_paths, *p, *next, *end; |
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294 | char *get_extensions_name; |
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295 | |||
296 | search_paths = NULL; |
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297 | /* don't allow setuid apps to use LIBGL_DRIVERS_PATH or GBM_DRIVERS_PATH */ |
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298 | if (geteuid() == getuid()) { |
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299 | /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH |
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300 | * is recommended over GBM_DRIVERS_PATH. |
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301 | */ |
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302 | search_paths = getenv("GBM_DRIVERS_PATH"); |
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303 | |||
304 | /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set. |
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305 | * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH. |
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306 | */ |
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307 | if (search_paths == NULL) { |
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308 | search_paths = getenv("LIBGL_DRIVERS_PATH"); |
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309 | } |
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310 | } |
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311 | if (search_paths == NULL) |
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312 | search_paths = DEFAULT_DRIVER_DIR; |
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313 | |||
314 | dri->driver = NULL; |
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315 | end = search_paths + strlen(search_paths); |
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316 | for (p = search_paths; p < end && dri->driver == NULL; p = next + 1) { |
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317 | int len; |
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318 | next = strchr(p, ':'); |
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319 | if (next == NULL) |
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320 | next = end; |
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321 | |||
322 | len = next - p; |
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323 | #if GLX_USE_TLS |
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324 | snprintf(path, sizeof path, |
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325 | "%.*s/tls/%s_dri.so", len, p, dri->base.driver_name); |
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326 | dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
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327 | #endif |
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328 | if (dri->driver == NULL) { |
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329 | snprintf(path, sizeof path, |
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330 | "%.*s/%s_dri.so", len, p, dri->base.driver_name); |
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331 | dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
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332 | } |
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333 | /* not need continue to loop all paths once the driver is found */ |
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334 | if (dri->driver != NULL) |
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335 | break; |
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336 | } |
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337 | |||
338 | if (dri->driver == NULL) { |
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339 | fprintf(stderr, "gbm: failed to open any driver (search paths %s)\n", |
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340 | search_paths); |
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341 | fprintf(stderr, "gbm: Last dlopen error: %s\n", dlerror()); |
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342 | return NULL; |
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343 | } |
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344 | |||
345 | if (asprintf(&get_extensions_name, "%s_%s", |
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346 | __DRI_DRIVER_GET_EXTENSIONS, dri->base.driver_name) != -1) { |
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347 | const __DRIextension **(*get_extensions)(void); |
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348 | |||
349 | get_extensions = dlsym(dri->driver, get_extensions_name); |
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350 | free(get_extensions_name); |
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351 | |||
352 | if (get_extensions) |
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353 | extensions = get_extensions(); |
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354 | } |
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355 | |||
356 | if (!extensions) |
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357 | extensions = dlsym(dri->driver, __DRI_DRIVER_EXTENSIONS); |
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358 | if (extensions == NULL) { |
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359 | fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror()); |
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360 | dlclose(dri->driver); |
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361 | } |
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362 | |||
363 | return extensions; |
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364 | } |
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365 | |||
366 | static int |
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367 | dri_load_driver(struct gbm_dri_device *dri) |
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368 | { |
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369 | const __DRIextension **extensions; |
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370 | |||
371 | extensions = dri_open_driver(dri); |
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372 | if (!extensions) |
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373 | return -1; |
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374 | |||
375 | if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { |
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376 | dlclose(dri->driver); |
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377 | fprintf(stderr, "failed to bind extensions\n"); |
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378 | return -1; |
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379 | } |
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380 | |||
381 | dri->driver_extensions = extensions; |
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382 | |||
383 | return 0; |
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384 | } |
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385 | |||
386 | static int |
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387 | dri_load_driver_swrast(struct gbm_dri_device *dri) |
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388 | { |
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389 | const __DRIextension **extensions; |
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390 | |||
391 | extensions = dri_open_driver(dri); |
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392 | if (!extensions) |
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393 | return -1; |
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394 | |||
395 | if (dri_bind_extensions(dri, gbm_swrast_device_extensions, extensions) < 0) { |
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396 | dlclose(dri->driver); |
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397 | fprintf(stderr, "failed to bind extensions\n"); |
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398 | return -1; |
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399 | } |
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400 | |||
401 | dri->driver_extensions = extensions; |
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402 | |||
403 | return 0; |
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404 | } |
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405 | |||
406 | static int |
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407 | dri_screen_create_dri2(struct gbm_dri_device *dri, char *driver_name) |
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408 | { |
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409 | const __DRIextension **extensions; |
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410 | int ret = 0; |
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411 | |||
412 | dri->base.driver_name = driver_name; |
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413 | if (dri->base.driver_name == NULL) |
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414 | return -1; |
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415 | |||
416 | ret = dri_load_driver(dri); |
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417 | if (ret) { |
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418 | fprintf(stderr, "failed to load driver: %s\n", dri->base.driver_name); |
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419 | return ret; |
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420 | }; |
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421 | |||
422 | dri->extensions = gbm_dri_screen_extensions; |
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423 | |||
424 | if (dri->dri2 == NULL) |
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425 | return -1; |
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426 | |||
427 | if (dri->dri2->base.version >= 4) { |
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428 | dri->screen = dri->dri2->createNewScreen2(0, dri->base.base.fd, |
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429 | dri->extensions, |
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430 | dri->driver_extensions, |
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431 | &dri->driver_configs, dri); |
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432 | } else { |
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433 | dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd, |
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434 | dri->extensions, |
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435 | &dri->driver_configs, dri); |
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436 | } |
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437 | if (dri->screen == NULL) |
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438 | return -1; |
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439 | |||
440 | extensions = dri->core->getExtensions(dri->screen); |
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441 | if (dri_bind_extensions(dri, dri_core_extensions, extensions) < 0) { |
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442 | ret = -1; |
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443 | goto free_screen; |
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444 | } |
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445 | |||
446 | dri->lookup_image = NULL; |
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447 | dri->lookup_user_data = NULL; |
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448 | |||
449 | return 0; |
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450 | |||
451 | free_screen: |
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452 | dri->core->destroyScreen(dri->screen); |
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453 | |||
454 | return ret; |
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455 | } |
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456 | |||
457 | static int |
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458 | dri_screen_create_swrast(struct gbm_dri_device *dri) |
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459 | { |
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460 | int ret; |
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461 | |||
462 | dri->base.driver_name = strdup("swrast"); |
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463 | if (dri->base.driver_name == NULL) |
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464 | return -1; |
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465 | |||
466 | ret = dri_load_driver_swrast(dri); |
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467 | if (ret) { |
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468 | fprintf(stderr, "failed to load swrast driver\n"); |
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469 | return ret; |
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470 | } |
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471 | |||
472 | dri->extensions = gbm_dri_screen_extensions; |
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473 | |||
474 | if (dri->swrast == NULL) |
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475 | return -1; |
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476 | |||
477 | if (dri->swrast->base.version >= 4) { |
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478 | dri->screen = dri->swrast->createNewScreen2(0, dri->extensions, |
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479 | dri->driver_extensions, |
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480 | &dri->driver_configs, dri); |
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481 | } else { |
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482 | dri->screen = dri->swrast->createNewScreen(0, dri->extensions, |
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483 | &dri->driver_configs, dri); |
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484 | } |
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485 | if (dri->screen == NULL) |
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486 | return -1; |
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487 | |||
488 | dri->lookup_image = NULL; |
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489 | dri->lookup_user_data = NULL; |
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490 | |||
491 | return 0; |
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492 | } |
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493 | |||
494 | static int |
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495 | dri_screen_create(struct gbm_dri_device *dri) |
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496 | { |
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497 | char *driver_name; |
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498 | |||
499 | driver_name = loader_get_driver_for_fd(dri->base.base.fd, 0); |
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500 | if (!driver_name) |
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501 | return -1; |
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502 | |||
503 | return dri_screen_create_dri2(dri, driver_name); |
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504 | } |
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505 | |||
506 | static int |
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507 | dri_screen_create_sw(struct gbm_dri_device *dri) |
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508 | { |
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509 | char *driver_name; |
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510 | int ret; |
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511 | |||
512 | driver_name = strdup("kms_swrast"); |
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513 | if (!driver_name) |
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514 | return -errno; |
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515 | |||
516 | ret = dri_screen_create_dri2(dri, driver_name); |
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517 | if (ret == 0) |
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518 | return ret; |
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519 | |||
520 | return dri_screen_create_swrast(dri); |
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521 | } |
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522 | |||
523 | static int |
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524 | gbm_dri_is_format_supported(struct gbm_device *gbm, |
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525 | uint32_t format, |
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526 | uint32_t usage) |
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527 | { |
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528 | switch (format) { |
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529 | case GBM_BO_FORMAT_XRGB8888: |
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530 | case GBM_FORMAT_XRGB8888: |
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531 | break; |
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532 | case GBM_BO_FORMAT_ARGB8888: |
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533 | case GBM_FORMAT_ARGB8888: |
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534 | if (usage & GBM_BO_USE_SCANOUT) |
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535 | return 0; |
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536 | break; |
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537 | default: |
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538 | return 0; |
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539 | } |
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540 | |||
541 | if (usage & GBM_BO_USE_CURSOR && |
||
542 | usage & GBM_BO_USE_RENDERING) |
||
543 | return 0; |
||
544 | |||
545 | return 1; |
||
546 | } |
||
547 | |||
548 | static int |
||
549 | gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count) |
||
550 | { |
||
551 | struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
||
552 | |||
553 | if (bo->image != NULL) { |
||
554 | errno = EINVAL; |
||
555 | return -1; |
||
556 | } |
||
557 | |||
558 | memcpy(bo->map, buf, count); |
||
559 | |||
560 | return 0; |
||
561 | } |
||
562 | |||
563 | static int |
||
564 | gbm_dri_bo_get_fd(struct gbm_bo *_bo) |
||
565 | { |
||
566 | struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); |
||
567 | struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
||
568 | int fd; |
||
569 | |||
570 | if (bo->image == NULL) |
||
571 | return -1; |
||
572 | |||
573 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FD, &fd); |
||
574 | |||
575 | return fd; |
||
576 | } |
||
577 | |||
578 | static void |
||
579 | gbm_dri_bo_destroy(struct gbm_bo *_bo) |
||
580 | { |
||
581 | struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); |
||
582 | struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
||
583 | struct drm_mode_destroy_dumb arg; |
||
584 | |||
585 | if (bo->image != NULL) { |
||
586 | dri->image->destroyImage(bo->image); |
||
587 | } else { |
||
588 | gbm_dri_bo_unmap(bo); |
||
589 | memset(&arg, 0, sizeof(arg)); |
||
590 | arg.handle = bo->handle; |
||
591 | drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg); |
||
592 | } |
||
593 | |||
594 | free(bo); |
||
595 | } |
||
596 | |||
597 | static uint32_t |
||
598 | gbm_dri_to_gbm_format(uint32_t dri_format) |
||
599 | { |
||
600 | uint32_t ret = 0; |
||
601 | |||
602 | switch (dri_format) { |
||
603 | case __DRI_IMAGE_FORMAT_RGB565: |
||
604 | ret = GBM_FORMAT_RGB565; |
||
605 | break; |
||
606 | case __DRI_IMAGE_FORMAT_XRGB8888: |
||
607 | ret = GBM_FORMAT_XRGB8888; |
||
608 | break; |
||
609 | case __DRI_IMAGE_FORMAT_ARGB8888: |
||
610 | ret = GBM_FORMAT_ARGB8888; |
||
611 | break; |
||
612 | case __DRI_IMAGE_FORMAT_ABGR8888: |
||
613 | ret = GBM_FORMAT_ABGR8888; |
||
614 | break; |
||
615 | default: |
||
616 | ret = 0; |
||
617 | break; |
||
618 | } |
||
619 | |||
620 | return ret; |
||
621 | } |
||
622 | |||
623 | static struct gbm_bo * |
||
624 | gbm_dri_bo_import(struct gbm_device *gbm, |
||
625 | uint32_t type, void *buffer, uint32_t usage) |
||
626 | { |
||
627 | struct gbm_dri_device *dri = gbm_dri_device(gbm); |
||
628 | struct gbm_dri_bo *bo; |
||
629 | __DRIimage *image; |
||
630 | unsigned dri_use = 0; |
||
631 | int gbm_format; |
||
632 | |||
633 | /* Required for query image WIDTH & HEIGHT */ |
||
634 | if (dri->image == NULL || dri->image->base.version < 4) { |
||
635 | errno = ENOSYS; |
||
636 | return NULL; |
||
637 | } |
||
638 | |||
639 | switch (type) { |
||
640 | #if HAVE_WAYLAND_PLATFORM |
||
641 | case GBM_BO_IMPORT_WL_BUFFER: |
||
642 | { |
||
643 | struct wl_drm_buffer *wb; |
||
644 | |||
645 | if (!dri->wl_drm) { |
||
646 | errno = EINVAL; |
||
647 | return NULL; |
||
648 | } |
||
649 | |||
650 | wb = wayland_drm_buffer_get(dri->wl_drm, (struct wl_resource *) buffer); |
||
651 | if (!wb) { |
||
652 | errno = EINVAL; |
||
653 | return NULL; |
||
654 | } |
||
655 | |||
656 | image = dri->image->dupImage(wb->driver_buffer, NULL); |
||
657 | |||
658 | switch (wb->format) { |
||
659 | case WL_DRM_FORMAT_XRGB8888: |
||
660 | gbm_format = GBM_FORMAT_XRGB8888; |
||
661 | break; |
||
662 | case WL_DRM_FORMAT_ARGB8888: |
||
663 | gbm_format = GBM_FORMAT_ARGB8888; |
||
664 | break; |
||
665 | case WL_DRM_FORMAT_RGB565: |
||
666 | gbm_format = GBM_FORMAT_RGB565; |
||
667 | break; |
||
668 | case WL_DRM_FORMAT_YUYV: |
||
669 | gbm_format = GBM_FORMAT_YUYV; |
||
670 | break; |
||
671 | default: |
||
672 | return NULL; |
||
673 | } |
||
674 | break; |
||
675 | } |
||
676 | #endif |
||
677 | |||
678 | case GBM_BO_IMPORT_EGL_IMAGE: |
||
679 | { |
||
680 | int dri_format; |
||
681 | if (dri->lookup_image == NULL) { |
||
682 | errno = EINVAL; |
||
683 | return NULL; |
||
684 | } |
||
685 | |||
686 | image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data); |
||
687 | image = dri->image->dupImage(image, NULL); |
||
688 | dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format); |
||
689 | gbm_format = gbm_dri_to_gbm_format(dri_format); |
||
690 | if (gbm_format == 0) { |
||
691 | errno = EINVAL; |
||
692 | return NULL; |
||
693 | } |
||
694 | break; |
||
695 | } |
||
696 | |||
697 | case GBM_BO_IMPORT_FD: |
||
698 | { |
||
699 | struct gbm_import_fd_data *fd_data = buffer; |
||
700 | int stride = fd_data->stride, offset = 0; |
||
701 | |||
702 | image = dri->image->createImageFromFds(dri->screen, |
||
703 | fd_data->width, |
||
704 | fd_data->height, |
||
705 | fd_data->format, |
||
706 | &fd_data->fd, 1, |
||
707 | &stride, &offset, |
||
708 | NULL); |
||
709 | gbm_format = fd_data->format; |
||
710 | break; |
||
711 | } |
||
712 | |||
713 | default: |
||
714 | errno = ENOSYS; |
||
715 | return NULL; |
||
716 | } |
||
717 | |||
718 | |||
719 | bo = calloc(1, sizeof *bo); |
||
720 | if (bo == NULL) |
||
721 | return NULL; |
||
722 | |||
723 | bo->image = image; |
||
724 | |||
725 | if (usage & GBM_BO_USE_SCANOUT) |
||
726 | dri_use |= __DRI_IMAGE_USE_SCANOUT; |
||
727 | if (usage & GBM_BO_USE_CURSOR) |
||
728 | dri_use |= __DRI_IMAGE_USE_CURSOR; |
||
729 | if (dri->image->base.version >= 2 && |
||
730 | !dri->image->validateUsage(bo->image, dri_use)) { |
||
731 | errno = EINVAL; |
||
732 | free(bo); |
||
733 | return NULL; |
||
734 | } |
||
735 | |||
736 | bo->base.base.gbm = gbm; |
||
737 | bo->base.base.format = gbm_format; |
||
738 | |||
739 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_WIDTH, |
||
740 | (int*)&bo->base.base.width); |
||
741 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HEIGHT, |
||
742 | (int*)&bo->base.base.height); |
||
743 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, |
||
744 | (int*)&bo->base.base.stride); |
||
745 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, |
||
746 | &bo->base.base.handle.s32); |
||
747 | |||
748 | return &bo->base.base; |
||
749 | } |
||
750 | |||
751 | static struct gbm_bo * |
||
752 | create_dumb(struct gbm_device *gbm, |
||
753 | uint32_t width, uint32_t height, |
||
754 | uint32_t format, uint32_t usage) |
||
755 | { |
||
756 | struct gbm_dri_device *dri = gbm_dri_device(gbm); |
||
757 | struct drm_mode_create_dumb create_arg; |
||
758 | struct gbm_dri_bo *bo; |
||
759 | struct drm_mode_destroy_dumb destroy_arg; |
||
760 | int ret; |
||
761 | int is_cursor, is_scanout; |
||
762 | |||
763 | is_cursor = (usage & GBM_BO_USE_CURSOR) != 0 && |
||
764 | format == GBM_FORMAT_ARGB8888; |
||
765 | is_scanout = (usage & GBM_BO_USE_SCANOUT) != 0 && |
||
766 | format == GBM_FORMAT_XRGB8888; |
||
767 | if (!is_cursor && !is_scanout) { |
||
768 | errno = EINVAL; |
||
769 | return NULL; |
||
770 | } |
||
771 | |||
772 | bo = calloc(1, sizeof *bo); |
||
773 | if (bo == NULL) |
||
774 | return NULL; |
||
775 | |||
776 | memset(&create_arg, 0, sizeof(create_arg)); |
||
777 | create_arg.bpp = 32; |
||
778 | create_arg.width = width; |
||
779 | create_arg.height = height; |
||
780 | |||
781 | ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg); |
||
782 | if (ret) |
||
783 | goto free_bo; |
||
784 | |||
785 | bo->base.base.gbm = gbm; |
||
786 | bo->base.base.width = width; |
||
787 | bo->base.base.height = height; |
||
788 | bo->base.base.stride = create_arg.pitch; |
||
789 | bo->base.base.format = format; |
||
790 | bo->base.base.handle.u32 = create_arg.handle; |
||
791 | bo->handle = create_arg.handle; |
||
792 | bo->size = create_arg.size; |
||
793 | |||
794 | if (gbm_dri_bo_map(bo) == NULL) |
||
795 | goto destroy_dumb; |
||
796 | |||
797 | return &bo->base.base; |
||
798 | |||
799 | destroy_dumb: |
||
800 | memset(&destroy_arg, 0, sizeof destroy_arg); |
||
801 | destroy_arg.handle = create_arg.handle; |
||
802 | drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg); |
||
803 | free_bo: |
||
804 | free(bo); |
||
805 | |||
806 | return NULL; |
||
807 | } |
||
808 | |||
809 | static struct gbm_bo * |
||
810 | gbm_dri_bo_create(struct gbm_device *gbm, |
||
811 | uint32_t width, uint32_t height, |
||
812 | uint32_t format, uint32_t usage) |
||
813 | { |
||
814 | struct gbm_dri_device *dri = gbm_dri_device(gbm); |
||
815 | struct gbm_dri_bo *bo; |
||
816 | int dri_format; |
||
817 | unsigned dri_use = 0; |
||
818 | |||
819 | if (usage & GBM_BO_USE_WRITE || dri->image == NULL) |
||
820 | return create_dumb(gbm, width, height, format, usage); |
||
821 | |||
822 | bo = calloc(1, sizeof *bo); |
||
823 | if (bo == NULL) |
||
824 | return NULL; |
||
825 | |||
826 | bo->base.base.gbm = gbm; |
||
827 | bo->base.base.width = width; |
||
828 | bo->base.base.height = height; |
||
829 | bo->base.base.format = format; |
||
830 | |||
831 | switch (format) { |
||
832 | case GBM_FORMAT_RGB565: |
||
833 | dri_format =__DRI_IMAGE_FORMAT_RGB565; |
||
834 | break; |
||
835 | case GBM_FORMAT_XRGB8888: |
||
836 | case GBM_BO_FORMAT_XRGB8888: |
||
837 | dri_format = __DRI_IMAGE_FORMAT_XRGB8888; |
||
838 | break; |
||
839 | case GBM_FORMAT_ARGB8888: |
||
840 | case GBM_BO_FORMAT_ARGB8888: |
||
841 | dri_format = __DRI_IMAGE_FORMAT_ARGB8888; |
||
842 | break; |
||
843 | case GBM_FORMAT_ABGR8888: |
||
844 | dri_format = __DRI_IMAGE_FORMAT_ABGR8888; |
||
845 | break; |
||
846 | case GBM_FORMAT_ARGB2101010: |
||
847 | dri_format = __DRI_IMAGE_FORMAT_ARGB2101010; |
||
848 | break; |
||
849 | case GBM_FORMAT_XRGB2101010: |
||
850 | dri_format = __DRI_IMAGE_FORMAT_XRGB2101010; |
||
851 | break; |
||
852 | default: |
||
853 | errno = EINVAL; |
||
854 | goto failed; |
||
855 | } |
||
856 | |||
857 | if (usage & GBM_BO_USE_SCANOUT) |
||
858 | dri_use |= __DRI_IMAGE_USE_SCANOUT; |
||
859 | if (usage & GBM_BO_USE_CURSOR) |
||
860 | dri_use |= __DRI_IMAGE_USE_CURSOR; |
||
861 | if (usage & GBM_BO_USE_LINEAR) |
||
862 | dri_use |= __DRI_IMAGE_USE_LINEAR; |
||
863 | |||
864 | /* Gallium drivers requires shared in order to get the handle/stride */ |
||
865 | dri_use |= __DRI_IMAGE_USE_SHARE; |
||
866 | |||
867 | bo->image = |
||
868 | dri->image->createImage(dri->screen, |
||
869 | width, height, |
||
870 | dri_format, dri_use, |
||
871 | bo); |
||
872 | if (bo->image == NULL) |
||
873 | goto failed; |
||
874 | |||
875 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, |
||
876 | &bo->base.base.handle.s32); |
||
877 | dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, |
||
878 | (int *) &bo->base.base.stride); |
||
879 | |||
880 | return &bo->base.base; |
||
881 | |||
882 | failed: |
||
883 | free(bo); |
||
884 | return NULL; |
||
885 | } |
||
886 | |||
887 | static struct gbm_surface * |
||
888 | gbm_dri_surface_create(struct gbm_device *gbm, |
||
889 | uint32_t width, uint32_t height, |
||
890 | uint32_t format, uint32_t flags) |
||
891 | { |
||
892 | struct gbm_dri_surface *surf; |
||
893 | |||
894 | surf = calloc(1, sizeof *surf); |
||
895 | if (surf == NULL) |
||
896 | return NULL; |
||
897 | |||
898 | surf->base.gbm = gbm; |
||
899 | surf->base.width = width; |
||
900 | surf->base.height = height; |
||
901 | surf->base.format = format; |
||
902 | surf->base.flags = flags; |
||
903 | |||
904 | return &surf->base; |
||
905 | } |
||
906 | |||
907 | static void |
||
908 | gbm_dri_surface_destroy(struct gbm_surface *_surf) |
||
909 | { |
||
910 | struct gbm_dri_surface *surf = gbm_dri_surface(_surf); |
||
911 | |||
912 | free(surf); |
||
913 | } |
||
914 | |||
915 | static void |
||
916 | dri_destroy(struct gbm_device *gbm) |
||
917 | { |
||
918 | struct gbm_dri_device *dri = gbm_dri_device(gbm); |
||
919 | unsigned i; |
||
920 | |||
921 | dri->core->destroyScreen(dri->screen); |
||
922 | for (i = 0; dri->driver_configs[i]; i++) |
||
923 | free((__DRIconfig *) dri->driver_configs[i]); |
||
924 | free(dri->driver_configs); |
||
925 | dlclose(dri->driver); |
||
926 | free(dri->base.driver_name); |
||
927 | |||
928 | free(dri); |
||
929 | } |
||
930 | |||
931 | static struct gbm_device * |
||
932 | dri_device_create(int fd) |
||
933 | { |
||
934 | struct gbm_dri_device *dri; |
||
935 | int ret, force_sw; |
||
936 | |||
937 | dri = calloc(1, sizeof *dri); |
||
938 | if (!dri) |
||
939 | return NULL; |
||
940 | |||
941 | dri->base.base.fd = fd; |
||
942 | dri->base.base.bo_create = gbm_dri_bo_create; |
||
943 | dri->base.base.bo_import = gbm_dri_bo_import; |
||
944 | dri->base.base.is_format_supported = gbm_dri_is_format_supported; |
||
945 | dri->base.base.bo_write = gbm_dri_bo_write; |
||
946 | dri->base.base.bo_get_fd = gbm_dri_bo_get_fd; |
||
947 | dri->base.base.bo_destroy = gbm_dri_bo_destroy; |
||
948 | dri->base.base.destroy = dri_destroy; |
||
949 | dri->base.base.surface_create = gbm_dri_surface_create; |
||
950 | dri->base.base.surface_destroy = gbm_dri_surface_destroy; |
||
951 | |||
952 | dri->base.type = GBM_DRM_DRIVER_TYPE_DRI; |
||
953 | dri->base.base.name = "drm"; |
||
954 | |||
955 | force_sw = getenv("GBM_ALWAYS_SOFTWARE") != NULL; |
||
956 | if (!force_sw) { |
||
957 | ret = dri_screen_create(dri); |
||
958 | if (ret) |
||
959 | ret = dri_screen_create_sw(dri); |
||
960 | } else { |
||
961 | ret = dri_screen_create_sw(dri); |
||
962 | } |
||
963 | |||
964 | if (ret) |
||
965 | goto err_dri; |
||
966 | |||
967 | return &dri->base.base; |
||
968 | |||
969 | err_dri: |
||
970 | free(dri); |
||
971 | |||
972 | return NULL; |
||
973 | } |
||
974 | |||
975 | struct gbm_backend gbm_dri_backend = { |
||
976 | .backend_name = "dri", |
||
977 | .create_device = dri_device_create, |
||
978 | };>>>>> |