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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 | #include "lp_context.h" |
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| 29 | #include "lp_state.h" |
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| 30 | #include "lp_texture.h" |
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| 31 | #include "lp_debug.h" |
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| 32 | |||
| 33 | #include "pipe/p_defines.h" |
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| 34 | #include "util/u_memory.h" |
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| 35 | #include "util/u_inlines.h" |
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| 36 | #include "draw/draw_context.h" |
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| 37 | #include "tgsi/tgsi_dump.h" |
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| 38 | #include "tgsi/tgsi_scan.h" |
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| 39 | #include "tgsi/tgsi_parse.h" |
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| 40 | |||
| 41 | |||
| 42 | static void * |
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| 43 | llvmpipe_create_gs_state(struct pipe_context *pipe, |
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| 44 | const struct pipe_shader_state *templ) |
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| 45 | { |
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| 46 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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| 47 | struct lp_geometry_shader *state; |
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| 48 | |||
| 49 | state = CALLOC_STRUCT(lp_geometry_shader); |
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| 50 | if (state == NULL ) |
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| 51 | goto no_state; |
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| 52 | |||
| 53 | /* debug */ |
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| 54 | if (LP_DEBUG & DEBUG_TGSI) { |
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| 55 | debug_printf("llvmpipe: Create geometry shader %p:\n", (void *)state); |
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| 56 | tgsi_dump(templ->tokens, 0); |
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| 57 | } |
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| 58 | |||
| 59 | /* copy stream output info */ |
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| 60 | state->no_tokens = !templ->tokens; |
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| 61 | memcpy(&state->stream_output, &templ->stream_output, sizeof state->stream_output); |
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| 62 | |||
| 63 | if (templ->tokens) { |
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| 64 | state->dgs = draw_create_geometry_shader(llvmpipe->draw, templ); |
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| 65 | if (state->dgs == NULL) { |
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| 66 | goto no_dgs; |
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| 67 | } |
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| 68 | } |
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| 69 | |||
| 70 | return state; |
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| 71 | |||
| 72 | no_dgs: |
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| 73 | FREE( state ); |
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| 74 | no_state: |
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| 75 | return NULL; |
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| 76 | } |
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| 77 | |||
| 78 | |||
| 79 | static void |
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| 80 | llvmpipe_bind_gs_state(struct pipe_context *pipe, void *gs) |
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| 81 | { |
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| 82 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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| 83 | |||
| 84 | llvmpipe->gs = (struct lp_geometry_shader *)gs; |
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| 85 | |||
| 86 | draw_bind_geometry_shader(llvmpipe->draw, |
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| 87 | (llvmpipe->gs ? llvmpipe->gs->dgs : NULL)); |
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| 88 | |||
| 89 | llvmpipe->dirty |= LP_NEW_GS; |
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| 90 | } |
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| 91 | |||
| 92 | |||
| 93 | static void |
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| 94 | llvmpipe_delete_gs_state(struct pipe_context *pipe, void *gs) |
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| 95 | { |
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| 96 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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| 97 | |||
| 98 | struct lp_geometry_shader *state = |
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| 99 | (struct lp_geometry_shader *)gs; |
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| 100 | |||
| 101 | if (!state) { |
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| 102 | return; |
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| 103 | } |
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| 104 | |||
| 105 | draw_delete_geometry_shader(llvmpipe->draw, state->dgs); |
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| 106 | FREE(state); |
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| 107 | } |
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| 108 | |||
| 109 | |||
| 110 | void |
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| 111 | llvmpipe_init_gs_funcs(struct llvmpipe_context *llvmpipe) |
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| 112 | { |
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| 113 | llvmpipe->pipe.create_gs_state = llvmpipe_create_gs_state; |
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| 114 | llvmpipe->pipe.bind_gs_state = llvmpipe_bind_gs_state; |
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| 115 | llvmpipe->pipe.delete_gs_state = llvmpipe_delete_gs_state; |
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| 116 | } |