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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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_util.h" |
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| 30 | #include "nv_object.xml.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 | #include "main/stencil.h" |
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| 34 | |||
| 35 | static unsigned |
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| 36 | get_comparison_op(unsigned op) |
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| 37 | { |
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| 38 | switch (op) { |
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| 39 | case GL_NEVER: |
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| 40 | return 0x1; |
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| 41 | case GL_LESS: |
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| 42 | return 0x2; |
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| 43 | case GL_EQUAL: |
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| 44 | return 0x3; |
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| 45 | case GL_LEQUAL: |
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| 46 | return 0x4; |
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| 47 | case GL_GREATER: |
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| 48 | return 0x5; |
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| 49 | case GL_NOTEQUAL: |
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| 50 | return 0x6; |
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| 51 | case GL_GEQUAL: |
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| 52 | return 0x7; |
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| 53 | case GL_ALWAYS: |
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| 54 | return 0x8; |
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| 55 | default: |
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| 56 | assert(0); |
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| 57 | } |
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| 58 | } |
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| 59 | |||
| 60 | static unsigned |
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| 61 | get_stencil_op(unsigned op) |
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| 62 | { |
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| 63 | switch (op) { |
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| 64 | case GL_KEEP: |
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| 65 | return 0x1; |
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| 66 | case GL_ZERO: |
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| 67 | return 0x2; |
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| 68 | case GL_REPLACE: |
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| 69 | return 0x3; |
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| 70 | case GL_INCR: |
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| 71 | return 0x4; |
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| 72 | case GL_DECR: |
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| 73 | return 0x5; |
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| 74 | case GL_INVERT: |
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| 75 | return 0x6; |
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| 76 | case GL_INCR_WRAP: |
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| 77 | return 0x7; |
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| 78 | case GL_DECR_WRAP: |
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| 79 | return 0x8; |
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| 80 | default: |
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| 81 | assert(0); |
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| 82 | } |
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| 83 | } |
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| 84 | |||
| 85 | static unsigned |
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| 86 | get_blend_func(unsigned func) |
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| 87 | { |
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| 88 | switch (func) { |
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| 89 | case GL_ZERO: |
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| 90 | return 0x1; |
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| 91 | case GL_ONE: |
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| 92 | return 0x2; |
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| 93 | case GL_SRC_COLOR: |
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| 94 | return 0x3; |
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| 95 | case GL_ONE_MINUS_SRC_COLOR: |
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| 96 | return 0x4; |
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| 97 | case GL_SRC_ALPHA: |
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| 98 | return 0x5; |
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| 99 | case GL_ONE_MINUS_SRC_ALPHA: |
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| 100 | return 0x6; |
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| 101 | case GL_DST_ALPHA: |
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| 102 | return 0x7; |
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| 103 | case GL_ONE_MINUS_DST_ALPHA: |
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| 104 | return 0x8; |
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| 105 | case GL_DST_COLOR: |
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| 106 | return 0x9; |
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| 107 | case GL_ONE_MINUS_DST_COLOR: |
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| 108 | return 0xa; |
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| 109 | case GL_SRC_ALPHA_SATURATE: |
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| 110 | return 0xb; |
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| 111 | default: |
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| 112 | assert(0); |
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| 113 | } |
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| 114 | } |
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| 115 | |||
| 116 | void |
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| 117 | nv04_defer_control(struct gl_context *ctx, int emit) |
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| 118 | { |
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| 119 | context_dirty(ctx, CONTROL); |
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| 120 | } |
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| 121 | |||
| 122 | void |
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| 123 | nv04_emit_control(struct gl_context *ctx, int emit) |
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| 124 | { |
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| 125 | struct nv04_context *nv04 = to_nv04_context(ctx); |
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| 126 | struct gl_framebuffer *fb = ctx->DrawBuffer; |
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| 127 | int cull = ctx->Polygon.CullFaceMode; |
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| 128 | int front = ctx->Polygon.FrontFace; |
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| 129 | |||
| 130 | nv04->ctrl[0] = NV04_TEXTURED_TRIANGLE_CONTROL_Z_FORMAT_FIXED | |
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| 131 | NV04_TEXTURED_TRIANGLE_CONTROL_ORIGIN_CORNER; |
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| 132 | nv04->ctrl[1] = 0; |
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| 133 | nv04->ctrl[2] = 0; |
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| 134 | |||
| 135 | /* Dithering. */ |
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| 136 | if (ctx->Color.DitherFlag) |
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| 137 | nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_DITHER_ENABLE; |
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| 138 | |||
| 139 | /* Cull mode. */ |
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| 140 | if (!ctx->Polygon.CullFlag) |
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| 141 | nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_NONE; |
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| 142 | else if (cull == GL_FRONT_AND_BACK) |
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| 143 | nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_BOTH; |
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| 144 | else |
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| 145 | nv04->ctrl[0] |= (cull == GL_FRONT) ^ (front == GL_CCW) ? |
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| 146 | NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CW : |
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| 147 | NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CCW; |
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| 148 | |||
| 149 | /* Depth test. */ |
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| 150 | if (ctx->Depth.Test && fb->Visual.depthBits > 0) |
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| 151 | nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_ENABLE; |
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| 152 | if (ctx->Depth.Mask && fb->Visual.depthBits > 0) |
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| 153 | nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_WRITE; |
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| 154 | |||
| 155 | nv04->ctrl[0] |= get_comparison_op(ctx->Depth.Func) << 16; |
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| 156 | |||
| 157 | /* Alpha test. */ |
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| 158 | if (ctx->Color.AlphaEnabled) |
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| 159 | nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_ALPHA_ENABLE; |
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| 160 | |||
| 161 | nv04->ctrl[0] |= get_comparison_op(ctx->Color.AlphaFunc) << 8 | |
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| 162 | FLOAT_TO_UBYTE(ctx->Color.AlphaRef); |
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| 163 | |||
| 164 | /* Color mask. */ |
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| 165 | if (ctx->Color.ColorMask[0][RCOMP]) |
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| 166 | nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_RED_WRITE; |
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| 167 | if (ctx->Color.ColorMask[0][GCOMP]) |
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| 168 | nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_GREEN_WRITE; |
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| 169 | if (ctx->Color.ColorMask[0][BCOMP]) |
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| 170 | nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_BLUE_WRITE; |
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| 171 | if (ctx->Color.ColorMask[0][ACOMP]) |
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| 172 | nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_ALPHA_WRITE; |
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| 173 | |||
| 174 | /* Stencil test. */ |
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| 175 | if (ctx->Stencil.WriteMask[0]) |
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| 176 | nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_STENCIL_WRITE; |
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| 177 | |||
| 178 | if (ctx->Stencil._Enabled) |
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| 179 | nv04->ctrl[1] |= NV04_MULTITEX_TRIANGLE_CONTROL1_STENCIL_ENABLE; |
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| 180 | |||
| 181 | nv04->ctrl[1] |= get_comparison_op(ctx->Stencil.Function[0]) << 4 | |
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| 182 | _mesa_get_stencil_ref(ctx, 0) << 8 | |
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| 183 | ctx->Stencil.ValueMask[0] << 16 | |
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| 184 | ctx->Stencil.WriteMask[0] << 24; |
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| 185 | |||
| 186 | nv04->ctrl[2] |= get_stencil_op(ctx->Stencil.ZPassFunc[0]) << 8 | |
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| 187 | get_stencil_op(ctx->Stencil.ZFailFunc[0]) << 4 | |
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| 188 | get_stencil_op(ctx->Stencil.FailFunc[0]); |
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| 189 | } |
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| 190 | |||
| 191 | void |
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| 192 | nv04_defer_blend(struct gl_context *ctx, int emit) |
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| 193 | { |
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| 194 | context_dirty(ctx, BLEND); |
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| 195 | } |
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| 196 | |||
| 197 | void |
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| 198 | nv04_emit_blend(struct gl_context *ctx, int emit) |
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| 199 | { |
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| 200 | struct nv04_context *nv04 = to_nv04_context(ctx); |
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| 201 | |||
| 202 | nv04->blend &= NV04_TEXTURED_TRIANGLE_BLEND_TEXTURE_MAP__MASK; |
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| 203 | nv04->blend |= NV04_TEXTURED_TRIANGLE_BLEND_MASK_BIT_MSB | |
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| 204 | NV04_TEXTURED_TRIANGLE_BLEND_TEXTURE_PERSPECTIVE_ENABLE; |
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| 205 | |||
| 206 | /* Alpha blending. */ |
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| 207 | nv04->blend |= get_blend_func(ctx->Color.Blend[0].DstRGB) << 28 | |
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| 208 | get_blend_func(ctx->Color.Blend[0].SrcRGB) << 24; |
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| 209 | |||
| 210 | if (ctx->Color.BlendEnabled) |
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| 211 | nv04->blend |= NV04_TEXTURED_TRIANGLE_BLEND_BLEND_ENABLE; |
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| 212 | |||
| 213 | /* Shade model. */ |
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| 214 | if (ctx->Light.ShadeModel == GL_SMOOTH) |
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| 215 | nv04->blend |= NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_GOURAUD; |
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| 216 | else |
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| 217 | nv04->blend |= NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_FLAT; |
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| 218 | |||
| 219 | /* Secondary color */ |
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| 220 | if (_mesa_need_secondary_color(ctx)) |
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| 221 | nv04->blend |= NV04_TEXTURED_TRIANGLE_BLEND_SPECULAR_ENABLE; |
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| 222 | |||
| 223 | /* Fog. */ |
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| 224 | if (ctx->Fog.Enabled) { |
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| 225 | nv04->blend |= NV04_TEXTURED_TRIANGLE_BLEND_FOG_ENABLE; |
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| 226 | nv04->fog = pack_rgba_f(MESA_FORMAT_B8G8R8A8_UNORM, ctx->Fog.Color); |
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| 227 | } |
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| 228 | } |