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5564 | serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2007 VMware, Inc. |
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4 | * All Rights Reserved. |
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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 |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | /* Authors: Keith Whitwell |
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29 | */ |
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30 | |||
31 | |||
32 | #include "lp_context.h" |
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33 | #include "lp_state.h" |
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34 | |||
35 | #include "draw/draw_context.h" |
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36 | #include "util/u_helpers.h" |
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37 | #include "util/u_inlines.h" |
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38 | #include "util/u_transfer.h" |
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39 | |||
40 | |||
41 | static void * |
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42 | llvmpipe_create_vertex_elements_state(struct pipe_context *pipe, |
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43 | unsigned count, |
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44 | const struct pipe_vertex_element *attribs) |
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45 | { |
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46 | struct lp_velems_state *velems; |
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47 | assert(count <= PIPE_MAX_ATTRIBS); |
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48 | velems = (struct lp_velems_state *) MALLOC(sizeof(struct lp_velems_state)); |
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49 | if (velems) { |
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50 | velems->count = count; |
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51 | memcpy(velems->velem, attribs, sizeof(*attribs) * count); |
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52 | } |
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53 | return velems; |
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54 | } |
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55 | |||
56 | static void |
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57 | llvmpipe_bind_vertex_elements_state(struct pipe_context *pipe, |
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58 | void *velems) |
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59 | { |
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60 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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61 | struct lp_velems_state *lp_velems = (struct lp_velems_state *) velems; |
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62 | |||
63 | llvmpipe->velems = lp_velems; |
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64 | |||
65 | llvmpipe->dirty |= LP_NEW_VERTEX; |
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66 | |||
67 | if (velems) |
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68 | draw_set_vertex_elements(llvmpipe->draw, lp_velems->count, lp_velems->velem); |
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69 | } |
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70 | |||
71 | static void |
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72 | llvmpipe_delete_vertex_elements_state(struct pipe_context *pipe, void *velems) |
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73 | { |
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74 | FREE( velems ); |
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75 | } |
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76 | |||
77 | static void |
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78 | llvmpipe_set_vertex_buffers(struct pipe_context *pipe, |
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79 | unsigned start_slot, unsigned count, |
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80 | const struct pipe_vertex_buffer *buffers) |
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81 | { |
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82 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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83 | |||
84 | assert(count <= PIPE_MAX_ATTRIBS); |
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85 | |||
86 | util_set_vertex_buffers_count(llvmpipe->vertex_buffer, |
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87 | &llvmpipe->num_vertex_buffers, |
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88 | buffers, start_slot, count); |
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89 | |||
90 | llvmpipe->dirty |= LP_NEW_VERTEX; |
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91 | |||
92 | draw_set_vertex_buffers(llvmpipe->draw, start_slot, count, buffers); |
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93 | } |
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94 | |||
95 | |||
96 | static void |
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97 | llvmpipe_set_index_buffer(struct pipe_context *pipe, |
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98 | const struct pipe_index_buffer *ib) |
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99 | { |
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100 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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101 | |||
102 | if (ib) |
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103 | memcpy(&llvmpipe->index_buffer, ib, sizeof(llvmpipe->index_buffer)); |
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104 | else |
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105 | memset(&llvmpipe->index_buffer, 0, sizeof(llvmpipe->index_buffer)); |
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106 | } |
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107 | |||
108 | void |
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109 | llvmpipe_init_vertex_funcs(struct llvmpipe_context *llvmpipe) |
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110 | { |
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111 | llvmpipe->pipe.create_vertex_elements_state = llvmpipe_create_vertex_elements_state; |
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112 | llvmpipe->pipe.bind_vertex_elements_state = llvmpipe_bind_vertex_elements_state; |
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113 | llvmpipe->pipe.delete_vertex_elements_state = llvmpipe_delete_vertex_elements_state; |
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114 | |||
115 | llvmpipe->pipe.set_vertex_buffers = llvmpipe_set_vertex_buffers; |
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116 | llvmpipe->pipe.set_index_buffer = llvmpipe_set_index_buffer; |
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117 | }=>=> |