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5564 | serge | 1 | /* |
2 | * Copyright (C) 2009 Francisco Jerez. |
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3 | * All Rights Reserved. |
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4 | * |
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5 | * Permission is hereby granted, free of charge, to any person obtaining |
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6 | * a copy of this software and associated documentation files (the |
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7 | * "Software"), to deal in the Software without restriction, including |
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8 | * without limitation the rights to use, copy, modify, merge, publish, |
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9 | * distribute, sublicense, and/or sell copies of the Software, and to |
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10 | * permit persons to whom the Software is furnished to do so, subject to |
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11 | * the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice (including the |
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14 | * next paragraph) shall be included in all copies or substantial |
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15 | * portions of the Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
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21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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24 | * |
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25 | */ |
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26 | |||
27 | #include "nouveau_driver.h" |
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28 | #include "nouveau_context.h" |
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29 | #include "nouveau_fbo.h" |
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30 | #include "nouveau_util.h" |
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31 | #include "nv04_3d.xml.h" |
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32 | #include "nv04_driver.h" |
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33 | |||
34 | static inline unsigned |
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35 | get_rt_format(mesa_format format) |
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36 | { |
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37 | switch (format) { |
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38 | case MESA_FORMAT_B8G8R8X8_UNORM: |
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39 | return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_X8R8G8B8_X8R8G8B8; |
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40 | case MESA_FORMAT_B8G8R8A8_UNORM: |
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41 | return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_A8R8G8B8; |
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42 | case MESA_FORMAT_B5G6R5_UNORM: |
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43 | return NV04_CONTEXT_SURFACES_3D_FORMAT_COLOR_R5G6B5; |
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44 | default: |
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45 | assert(0); |
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46 | } |
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47 | } |
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48 | |||
49 | void |
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50 | nv04_emit_framebuffer(struct gl_context *ctx, int emit) |
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51 | { |
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52 | struct nouveau_pushbuf *push = context_push(ctx); |
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53 | struct gl_framebuffer *fb = ctx->DrawBuffer; |
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54 | struct nouveau_surface *s; |
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55 | uint32_t rt_format = NV04_CONTEXT_SURFACES_3D_FORMAT_TYPE_PITCH; |
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56 | uint32_t rt_pitch = 0, zeta_pitch = 0; |
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57 | unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR; |
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58 | |||
59 | if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) |
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60 | return; |
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61 | |||
62 | PUSH_RESET(push, BUFCTX_FB); |
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63 | |||
64 | /* Render target */ |
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65 | if (fb->_ColorDrawBuffers[0]) { |
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66 | s = &to_nouveau_renderbuffer( |
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67 | fb->_ColorDrawBuffers[0])->surface; |
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68 | |||
69 | rt_format |= get_rt_format(s->format); |
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70 | zeta_pitch = rt_pitch = s->pitch; |
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71 | |||
72 | BEGIN_NV04(push, NV04_SF3D(OFFSET_COLOR), 1); |
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73 | PUSH_MTHDl(push, NV04_SF3D(OFFSET_COLOR), BUFCTX_FB, |
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74 | s->bo, 0, bo_flags); |
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75 | } |
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76 | |||
77 | /* depth/stencil */ |
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78 | if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) { |
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79 | s = &to_nouveau_renderbuffer( |
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80 | fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface; |
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81 | |||
82 | zeta_pitch = s->pitch; |
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83 | |||
84 | BEGIN_NV04(push, NV04_SF3D(OFFSET_ZETA), 1); |
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85 | PUSH_MTHDl(push, NV04_SF3D(OFFSET_ZETA), BUFCTX_FB, |
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86 | s->bo, 0, bo_flags); |
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87 | } |
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88 | |||
89 | BEGIN_NV04(push, NV04_SF3D(FORMAT), 1); |
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90 | PUSH_DATA (push, rt_format); |
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91 | BEGIN_NV04(push, NV04_SF3D(PITCH), 1); |
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92 | PUSH_DATA (push, zeta_pitch << 16 | rt_pitch); |
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93 | |||
94 | /* Recompute the scissor state. */ |
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95 | context_dirty(ctx, SCISSOR); |
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96 | context_dirty(ctx, CONTROL); |
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97 | } |
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98 | |||
99 | void |
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100 | nv04_emit_scissor(struct gl_context *ctx, int emit) |
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101 | { |
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102 | struct nouveau_pushbuf *push = context_push(ctx); |
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103 | int x, y, w, h; |
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104 | |||
105 | get_scissors(ctx->DrawBuffer, &x, &y, &w, &h); |
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106 | |||
107 | BEGIN_NV04(push, NV04_SF3D(CLIP_HORIZONTAL), 2); |
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108 | PUSH_DATA (push, w << 16 | x); |
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109 | PUSH_DATA (push, h << 16 | y); |
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110 | }><>><>><> |