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5362 | serge | 1 | /* |
2 | * Copyright (C) 2009 Splitted-Desktop Systems. All Rights Reserved. |
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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 |
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6 | * "Software"), to deal in the Software without restriction, including |
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7 | * without limitation the rights to use, copy, modify, merge, publish, |
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8 | * distribute, sub license, and/or sell copies of the Software, and to |
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9 | * permit persons to whom the Software is furnished to do so, subject to |
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10 | * the following conditions: |
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11 | * |
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12 | * The above copyright notice and this permission notice (including the |
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13 | * next paragraph) shall be included in all copies or substantial portions |
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14 | * 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 |
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17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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19 | * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
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20 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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21 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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22 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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23 | */ |
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24 | |||
25 | #include |
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26 | #include "va_glx_private.h" |
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27 | #include "va_glx_impl.h" |
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28 | |||
29 | #define INIT_CONTEXT(ctx, dpy) do { \ |
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30 | if (!vaDisplayIsValid(dpy)) \ |
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31 | return VA_STATUS_ERROR_INVALID_DISPLAY; \ |
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32 | \ |
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33 | ctx = ((VADisplayContextP)(dpy))->pDriverContext; \ |
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34 | if (!(ctx)) \ |
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35 | return VA_STATUS_ERROR_INVALID_DISPLAY; \ |
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36 | \ |
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37 | VAStatus status = va_glx_init_context(ctx); \ |
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38 | if (status != VA_STATUS_SUCCESS) \ |
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39 | return status; \ |
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40 | } while (0) |
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41 | |||
42 | #define INVOKE(ctx, func, args) do { \ |
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43 | VADriverVTableGLXP vtable; \ |
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44 | vtable = &VA_DRIVER_CONTEXT_GLX(ctx)->vtable; \ |
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45 | if (!vtable->va##func##GLX) \ |
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46 | return VA_STATUS_ERROR_UNIMPLEMENTED; \ |
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47 | status = vtable->va##func##GLX args; \ |
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48 | } while (0) |
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49 | |||
50 | |||
51 | // Destroy VA/GLX display context |
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52 | static void va_DisplayContextDestroy(VADisplayContextP pDisplayContext) |
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53 | { |
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54 | VADisplayContextGLXP pDisplayContextGLX; |
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55 | VADriverContextP pDriverContext; |
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56 | VADriverContextGLXP pDriverContextGLX; |
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57 | |||
58 | if (!pDisplayContext) |
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59 | return; |
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60 | |||
61 | pDriverContext = pDisplayContext->pDriverContext; |
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62 | pDriverContextGLX = pDriverContext->glx; |
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63 | if (pDriverContextGLX) { |
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64 | free(pDriverContextGLX); |
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65 | pDriverContext->glx = NULL; |
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66 | } |
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67 | |||
68 | pDisplayContextGLX = pDisplayContext->opaque; |
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69 | if (pDisplayContextGLX) { |
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70 | vaDestroyFunc vaDestroy = pDisplayContextGLX->vaDestroy; |
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71 | free(pDisplayContextGLX); |
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72 | pDisplayContext->opaque = NULL; |
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73 | if (vaDestroy) |
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74 | vaDestroy(pDisplayContext); |
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75 | } |
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76 | } |
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77 | |||
78 | // Return a suitable VADisplay for VA API |
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79 | VADisplay vaGetDisplayGLX(Display *native_dpy) |
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80 | { |
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81 | VADisplay dpy = NULL; |
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82 | VADisplayContextP pDisplayContext = NULL; |
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83 | VADisplayContextGLXP pDisplayContextGLX = NULL; |
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84 | VADriverContextP pDriverContext; |
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85 | VADriverContextGLXP pDriverContextGLX = NULL; |
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86 | |||
87 | dpy = vaGetDisplay(native_dpy); |
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88 | if (!dpy) |
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89 | return NULL; |
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90 | pDisplayContext = (VADisplayContextP)dpy; |
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91 | pDriverContext = pDisplayContext->pDriverContext; |
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92 | |||
93 | pDisplayContextGLX = calloc(1, sizeof(*pDisplayContextGLX)); |
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94 | if (!pDisplayContextGLX) |
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95 | goto error; |
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96 | |||
97 | pDriverContextGLX = calloc(1, sizeof(*pDriverContextGLX)); |
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98 | if (!pDriverContextGLX) |
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99 | goto error; |
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100 | |||
101 | pDriverContext->display_type = VA_DISPLAY_GLX; |
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102 | pDisplayContextGLX->vaDestroy = pDisplayContext->vaDestroy; |
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103 | pDisplayContext->vaDestroy = va_DisplayContextDestroy; |
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104 | pDisplayContext->opaque = pDisplayContextGLX; |
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105 | pDriverContext->glx = pDriverContextGLX; |
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106 | return dpy; |
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107 | |||
108 | error: |
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109 | free(pDriverContextGLX); |
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110 | free(pDisplayContextGLX); |
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111 | pDisplayContext->vaDestroy(pDisplayContext); |
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112 | return NULL; |
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113 | } |
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114 | |||
115 | // Create a surface used for display to OpenGL |
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116 | VAStatus vaCreateSurfaceGLX( |
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117 | VADisplay dpy, |
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118 | GLenum target, |
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119 | GLuint texture, |
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120 | void **gl_surface |
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121 | ) |
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122 | { |
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123 | VADriverContextP ctx; |
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124 | VAStatus status; |
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125 | |||
126 | /* Make sure it is a valid GL texture object */ |
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127 | if (!glIsTexture(texture)) |
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128 | return VA_STATUS_ERROR_INVALID_PARAMETER; |
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129 | |||
130 | INIT_CONTEXT(ctx, dpy); |
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131 | |||
132 | INVOKE(ctx, CreateSurface, (ctx, target, texture, gl_surface)); |
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133 | return status; |
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134 | } |
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135 | |||
136 | // Destroy a VA/GLX surface |
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137 | VAStatus vaDestroySurfaceGLX( |
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138 | VADisplay dpy, |
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139 | void *gl_surface |
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140 | ) |
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141 | { |
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142 | VADriverContextP ctx; |
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143 | VAStatus status; |
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144 | |||
145 | INIT_CONTEXT(ctx, dpy); |
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146 | |||
147 | INVOKE(ctx, DestroySurface, (ctx, gl_surface)); |
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148 | return status; |
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149 | } |
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150 | |||
151 | // Copy a VA surface to a VA/GLX surface |
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152 | VAStatus vaCopySurfaceGLX( |
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153 | VADisplay dpy, |
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154 | void *gl_surface, |
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155 | VASurfaceID surface, |
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156 | unsigned int flags |
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157 | ) |
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158 | { |
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159 | VADriverContextP ctx; |
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160 | VAStatus status; |
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161 | |||
162 | INIT_CONTEXT(ctx, dpy); |
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163 | |||
164 | INVOKE(ctx, CopySurface, (ctx, gl_surface, surface, flags)); |
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165 | return status; |
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166 | } |