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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5563 | 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, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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| 21 | * IN THE SOFTWARE. |
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| 22 | */ |
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| 23 | |||
| 24 | #include "brw_context.h" |
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| 25 | #include "brw_state.h" |
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| 26 | #include "brw_defines.h" |
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| 27 | #include "brw_util.h" |
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| 28 | #include "program/prog_parameter.h" |
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| 29 | #include "program/prog_statevars.h" |
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| 30 | #include "intel_batchbuffer.h" |
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| 31 | |||
| 32 | static void |
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| 33 | upload_vs_state(struct brw_context *brw) |
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| 34 | { |
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| 35 | struct gl_context *ctx = &brw->ctx; |
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| 36 | uint32_t floating_point_mode = 0; |
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| 37 | const int max_threads_shift = brw->is_haswell ? |
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| 38 | HSW_VS_MAX_THREADS_SHIFT : GEN6_VS_MAX_THREADS_SHIFT; |
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| 39 | |||
| 40 | gen7_emit_vs_workaround_flush(brw); |
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| 41 | |||
| 42 | /* BRW_NEW_VS_BINDING_TABLE */ |
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| 43 | BEGIN_BATCH(2); |
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| 44 | OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_VS << 16 | (2 - 2)); |
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| 45 | OUT_BATCH(brw->vs.bind_bo_offset); |
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| 46 | ADVANCE_BATCH(); |
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| 47 | |||
| 48 | /* CACHE_NEW_SAMPLER */ |
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| 49 | BEGIN_BATCH(2); |
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| 50 | OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_VS << 16 | (2 - 2)); |
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| 51 | OUT_BATCH(brw->sampler.offset); |
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| 52 | ADVANCE_BATCH(); |
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| 53 | |||
| 54 | if (brw->vs.push_const_size == 0) { |
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| 55 | /* Disable the push constant buffers. */ |
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| 56 | BEGIN_BATCH(7); |
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| 57 | OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2)); |
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| 58 | OUT_BATCH(0); |
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| 59 | OUT_BATCH(0); |
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| 60 | OUT_BATCH(0); |
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| 61 | OUT_BATCH(0); |
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| 62 | OUT_BATCH(0); |
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| 63 | OUT_BATCH(0); |
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| 64 | ADVANCE_BATCH(); |
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| 65 | } else { |
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| 66 | uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0; |
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| 67 | |||
| 68 | BEGIN_BATCH(7); |
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| 69 | OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2)); |
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| 70 | OUT_BATCH(brw->vs.push_const_size); |
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| 71 | OUT_BATCH(0); |
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| 72 | /* Pointer to the VS constant buffer. Covered by the set of |
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| 73 | * state flags from gen6_prepare_wm_contants |
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| 74 | */ |
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| 75 | OUT_BATCH(brw->vs.push_const_offset | mocs); |
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| 76 | OUT_BATCH(0); |
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| 77 | OUT_BATCH(0); |
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| 78 | OUT_BATCH(0); |
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| 79 | ADVANCE_BATCH(); |
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| 80 | } |
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| 81 | |||
| 82 | /* Use ALT floating point mode for ARB vertex programs, because they |
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| 83 | * require 0^0 == 1. |
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| 84 | */ |
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| 85 | if (ctx->Shader.CurrentVertexProgram == NULL) |
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| 86 | floating_point_mode = GEN6_VS_FLOATING_POINT_MODE_ALT; |
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| 87 | |||
| 88 | BEGIN_BATCH(6); |
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| 89 | OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2)); |
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| 90 | OUT_BATCH(brw->vs.prog_offset); |
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| 91 | OUT_BATCH(floating_point_mode | |
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| 92 | ((ALIGN(brw->sampler.count, 4)/4) << GEN6_VS_SAMPLER_COUNT_SHIFT)); |
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| 93 | |||
| 94 | if (brw->vs.prog_data->base.total_scratch) { |
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| 95 | OUT_RELOC(brw->vs.scratch_bo, |
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| 96 | I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, |
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| 97 | ffs(brw->vs.prog_data->base.total_scratch) - 11); |
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| 98 | } else { |
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| 99 | OUT_BATCH(0); |
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| 100 | } |
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| 101 | |||
| 102 | OUT_BATCH((1 << GEN6_VS_DISPATCH_START_GRF_SHIFT) | |
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| 103 | (brw->vs.prog_data->base.urb_read_length << GEN6_VS_URB_READ_LENGTH_SHIFT) | |
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| 104 | (0 << GEN6_VS_URB_ENTRY_READ_OFFSET_SHIFT)); |
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| 105 | |||
| 106 | OUT_BATCH(((brw->max_vs_threads - 1) << max_threads_shift) | |
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| 107 | GEN6_VS_STATISTICS_ENABLE | |
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| 108 | GEN6_VS_ENABLE); |
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| 109 | ADVANCE_BATCH(); |
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| 110 | } |
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| 111 | |||
| 112 | const struct brw_tracked_state gen7_vs_state = { |
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| 113 | .dirty = { |
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| 114 | .mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS, |
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| 115 | .brw = (BRW_NEW_CONTEXT | |
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| 116 | BRW_NEW_VERTEX_PROGRAM | |
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| 117 | BRW_NEW_VS_BINDING_TABLE | |
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| 118 | BRW_NEW_BATCH), |
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| 119 | .cache = CACHE_NEW_VS_PROG | CACHE_NEW_SAMPLER |
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| 120 | }, |
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| 121 | .emit = upload_vs_state, |
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| 122 | }; |