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4358 | 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 "nv_object.xml.h" |
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32 | #include "nv10_3d.xml.h" |
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33 | #include "nv10_driver.h" |
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34 | |||
35 | static inline unsigned |
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36 | get_rt_format(gl_format format) |
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37 | { |
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38 | switch (format) { |
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39 | case MESA_FORMAT_XRGB8888: |
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40 | return NV10_3D_RT_FORMAT_COLOR_X8R8G8B8; |
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41 | case MESA_FORMAT_ARGB8888: |
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42 | return NV10_3D_RT_FORMAT_COLOR_A8R8G8B8; |
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43 | case MESA_FORMAT_RGB565: |
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44 | return NV10_3D_RT_FORMAT_COLOR_R5G6B5; |
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45 | case MESA_FORMAT_Z16: |
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46 | return NV10_3D_RT_FORMAT_DEPTH_Z16; |
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47 | case MESA_FORMAT_Z24_S8: |
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48 | return NV10_3D_RT_FORMAT_DEPTH_Z24S8; |
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49 | default: |
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50 | assert(0); |
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51 | } |
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52 | } |
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53 | |||
54 | static void |
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55 | setup_hierz_buffer(struct gl_context *ctx) |
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56 | { |
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57 | struct nouveau_pushbuf *push = context_push(ctx); |
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58 | struct gl_framebuffer *fb = ctx->DrawBuffer; |
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59 | struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb); |
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60 | unsigned pitch = align(fb->Width, 128), |
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61 | height = align(fb->Height, 2), |
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62 | size = pitch * height; |
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63 | |||
64 | if (!nfb->hierz.bo || nfb->hierz.bo->size != size) { |
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65 | union nouveau_bo_config config = { |
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66 | .nv04.surf_flags = NV04_BO_ZETA, |
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67 | .nv04.surf_pitch = 0 |
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68 | }; |
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69 | |||
70 | nouveau_bo_ref(NULL, &nfb->hierz.bo); |
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71 | nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size, |
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72 | &config, &nfb->hierz.bo); |
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73 | } |
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74 | |||
75 | PUSH_SPACE(push, 11); |
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76 | BEGIN_NV04(push, NV17_3D(HIERZ_OFFSET), 1); |
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77 | PUSH_MTHDl(push, NV17_3D(HIERZ_OFFSET), BUFCTX_FB, |
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78 | nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR); |
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79 | BEGIN_NV04(push, NV17_3D(HIERZ_WINDOW_X), 4); |
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80 | PUSH_DATAf(push, - 1792); |
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81 | PUSH_DATAf(push, - 2304 + fb->Height); |
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82 | PUSH_DATAf(push, fb->_DepthMaxF / 2); |
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83 | PUSH_DATAf(push, 0); |
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84 | |||
85 | BEGIN_NV04(push, NV17_3D(HIERZ_PITCH), 1); |
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86 | PUSH_DATA (push, pitch); |
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87 | |||
88 | BEGIN_NV04(push, NV17_3D(HIERZ_ENABLE), 1); |
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89 | PUSH_DATA (push, 1); |
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90 | } |
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91 | |||
92 | void |
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93 | nv10_emit_framebuffer(struct gl_context *ctx, int emit) |
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94 | { |
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95 | struct nouveau_pushbuf *push = context_push(ctx); |
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96 | struct gl_framebuffer *fb = ctx->DrawBuffer; |
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97 | struct nouveau_surface *s; |
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98 | unsigned rt_format = NV10_3D_RT_FORMAT_TYPE_LINEAR; |
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99 | unsigned rt_pitch = 0, zeta_pitch = 0; |
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100 | unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR; |
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101 | |||
102 | if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) |
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103 | return; |
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104 | |||
105 | PUSH_RESET(push, BUFCTX_FB); |
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106 | |||
107 | /* At least nv11 seems to get sad if we don't do this before |
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108 | * swapping RTs.*/ |
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109 | if (context_chipset(ctx) < 0x17) { |
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110 | int i; |
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111 | |||
112 | for (i = 0; i < 6; i++) { |
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113 | BEGIN_NV04(push, NV04_GRAPH(3D, NOP), 1); |
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114 | PUSH_DATA (push, 0); |
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115 | } |
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116 | } |
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117 | |||
118 | /* Render target */ |
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119 | if (fb->_ColorDrawBuffers[0]) { |
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120 | s = &to_nouveau_renderbuffer( |
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121 | fb->_ColorDrawBuffers[0])->surface; |
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122 | |||
123 | rt_format |= get_rt_format(s->format); |
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124 | zeta_pitch = rt_pitch = s->pitch; |
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125 | |||
126 | BEGIN_NV04(push, NV10_3D(COLOR_OFFSET), 1); |
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127 | PUSH_MTHDl(push, NV10_3D(COLOR_OFFSET), BUFCTX_FB, |
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128 | s->bo, 0, bo_flags); |
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129 | } |
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130 | |||
131 | /* depth/stencil */ |
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132 | if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) { |
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133 | s = &to_nouveau_renderbuffer( |
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134 | fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface; |
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135 | |||
136 | rt_format |= get_rt_format(s->format); |
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137 | zeta_pitch = s->pitch; |
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138 | |||
139 | BEGIN_NV04(push, NV10_3D(ZETA_OFFSET), 1); |
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140 | PUSH_MTHDl(push, NV10_3D(ZETA_OFFSET), BUFCTX_FB, |
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141 | s->bo, 0, bo_flags); |
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142 | |||
143 | if (context_chipset(ctx) >= 0x17) { |
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144 | setup_hierz_buffer(ctx); |
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145 | context_dirty(ctx, ZCLEAR); |
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146 | } |
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147 | } |
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148 | |||
149 | BEGIN_NV04(push, NV10_3D(RT_FORMAT), 2); |
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150 | PUSH_DATA (push, rt_format); |
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151 | PUSH_DATA (push, zeta_pitch << 16 | rt_pitch); |
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152 | |||
153 | context_dirty(ctx, VIEWPORT); |
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154 | context_dirty(ctx, SCISSOR); |
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155 | } |
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156 | |||
157 | void |
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158 | nv10_emit_render_mode(struct gl_context *ctx, int emit) |
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159 | { |
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160 | } |
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161 | |||
162 | void |
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163 | nv10_emit_scissor(struct gl_context *ctx, int emit) |
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164 | { |
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165 | struct nouveau_pushbuf *push = context_push(ctx); |
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166 | int x, y, w, h; |
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167 | |||
168 | get_scissors(ctx->DrawBuffer, &x, &y, &w, &h); |
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169 | |||
170 | BEGIN_NV04(push, NV10_3D(RT_HORIZ), 2); |
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171 | PUSH_DATA (push, w << 16 | x); |
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172 | PUSH_DATA (push, h << 16 | y); |
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173 | } |
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174 | |||
175 | void |
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176 | nv10_emit_viewport(struct gl_context *ctx, int emit) |
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177 | { |
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178 | struct nouveau_pushbuf *push = context_push(ctx); |
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179 | struct gl_viewport_attrib *vp = &ctx->Viewport; |
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180 | struct gl_framebuffer *fb = ctx->DrawBuffer; |
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181 | float a[4] = {}; |
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182 | |||
183 | get_viewport_translate(ctx, a); |
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184 | a[0] -= 2048; |
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185 | a[1] -= 2048; |
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186 | if (nv10_use_viewport_zclear(ctx)) |
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187 | a[2] = nv10_transform_depth(ctx, (vp->Far + vp->Near) / 2); |
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188 | |||
189 | BEGIN_NV04(push, NV10_3D(VIEWPORT_TRANSLATE_X), 4); |
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190 | PUSH_DATAp(push, a, 4); |
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191 | |||
192 | BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_HORIZ(0)), 1); |
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193 | PUSH_DATA (push, (fb->Width - 1) << 16 | 0x08000800); |
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194 | BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_VERT(0)), 1); |
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195 | PUSH_DATA (push, (fb->Height - 1) << 16 | 0x08000800); |
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196 | |||
197 | context_dirty(ctx, PROJECTION); |
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198 | } |
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199 | |||
200 | void |
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201 | nv10_emit_zclear(struct gl_context *ctx, int emit) |
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202 | { |
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203 | struct nouveau_context *nctx = to_nouveau_context(ctx); |
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204 | struct nouveau_pushbuf *push = context_push(ctx); |
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205 | struct nouveau_framebuffer *nfb = |
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206 | to_nouveau_framebuffer(ctx->DrawBuffer); |
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207 | |||
208 | if (nfb->hierz.bo) { |
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209 | BEGIN_NV04(push, NV17_3D(ZCLEAR_ENABLE), 2); |
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210 | PUSH_DATAb(push, !nctx->hierz.clear_blocked); |
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211 | PUSH_DATA (push, nfb->hierz.clear_value | |
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212 | (nctx->hierz.clear_seq & 0xff)); |
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213 | } else { |
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214 | BEGIN_NV04(push, NV10_3D(DEPTH_RANGE_NEAR), 2); |
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215 | PUSH_DATAf(push, nv10_transform_depth(ctx, 0)); |
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216 | PUSH_DATAf(push, nv10_transform_depth(ctx, 1)); |
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217 | context_dirty(ctx, VIEWPORT); |
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218 | } |
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219 | }><>><>><>><>><>>> |