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| Rev | Author | Line No. | Line |
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| 5563 | serge | 1 | /* |
| 2 | * Copyright (C) 2009-2010 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_gldefs.h" |
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| 30 | #include "nouveau_util.h" |
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| 31 | #include "nv20_3d.xml.h" |
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| 32 | #include "nv10_driver.h" |
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| 33 | #include "nv20_driver.h" |
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| 34 | |||
| 35 | #define LIGHT_MODEL_AMBIENT_R(side) \ |
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| 36 | ((side) ? NV20_3D_LIGHT_MODEL_BACK_AMBIENT_R : \ |
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| 37 | NV20_3D_LIGHT_MODEL_FRONT_AMBIENT_R) |
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| 38 | #define LIGHT_AMBIENT_R(side, i) \ |
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| 39 | ((side) ? NV20_3D_LIGHT_BACK_AMBIENT_R(i) : \ |
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| 40 | NV20_3D_LIGHT_FRONT_AMBIENT_R(i)) |
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| 41 | #define LIGHT_DIFFUSE_R(side, i) \ |
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| 42 | ((side) ? NV20_3D_LIGHT_BACK_DIFFUSE_R(i) : \ |
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| 43 | NV20_3D_LIGHT_FRONT_DIFFUSE_R(i)) |
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| 44 | #define LIGHT_SPECULAR_R(side, i) \ |
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| 45 | ((side) ? NV20_3D_LIGHT_BACK_SPECULAR_R(i) : \ |
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| 46 | NV20_3D_LIGHT_FRONT_SPECULAR_R(i)) |
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| 47 | #define MATERIAL_FACTOR_R(side) \ |
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| 48 | ((side) ? NV20_3D_MATERIAL_FACTOR_BACK_R : \ |
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| 49 | NV20_3D_MATERIAL_FACTOR_FRONT_R) |
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| 50 | #define MATERIAL_FACTOR_A(side) \ |
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| 51 | ((side) ? NV20_3D_MATERIAL_FACTOR_BACK_A : \ |
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| 52 | NV20_3D_MATERIAL_FACTOR_FRONT_A) |
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| 53 | #define MATERIAL_SHININESS(side) \ |
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| 54 | ((side) ? NV20_3D_BACK_MATERIAL_SHININESS(0) : \ |
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| 55 | NV20_3D_FRONT_MATERIAL_SHININESS(0)) |
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| 56 | |||
| 57 | void |
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| 58 | nv20_emit_clip_plane(struct gl_context *ctx, int emit) |
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| 59 | { |
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| 60 | } |
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| 61 | |||
| 62 | static inline unsigned |
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| 63 | get_material_bitmask(unsigned m) |
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| 64 | { |
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| 65 | unsigned ret = 0; |
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| 66 | |||
| 67 | if (m & MAT_BIT_FRONT_EMISSION) |
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| 68 | ret |= NV20_3D_COLOR_MATERIAL_FRONT_EMISSION_COL1; |
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| 69 | if (m & MAT_BIT_FRONT_AMBIENT) |
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| 70 | ret |= NV20_3D_COLOR_MATERIAL_FRONT_AMBIENT_COL1; |
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| 71 | if (m & MAT_BIT_FRONT_DIFFUSE) |
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| 72 | ret |= NV20_3D_COLOR_MATERIAL_FRONT_DIFFUSE_COL1; |
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| 73 | if (m & MAT_BIT_FRONT_SPECULAR) |
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| 74 | ret |= NV20_3D_COLOR_MATERIAL_FRONT_SPECULAR_COL1; |
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| 75 | |||
| 76 | if (m & MAT_BIT_BACK_EMISSION) |
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| 77 | ret |= NV20_3D_COLOR_MATERIAL_BACK_EMISSION_COL1; |
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| 78 | if (m & MAT_BIT_BACK_AMBIENT) |
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| 79 | ret |= NV20_3D_COLOR_MATERIAL_BACK_AMBIENT_COL1; |
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| 80 | if (m & MAT_BIT_BACK_DIFFUSE) |
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| 81 | ret |= NV20_3D_COLOR_MATERIAL_BACK_DIFFUSE_COL1; |
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| 82 | if (m & MAT_BIT_BACK_SPECULAR) |
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| 83 | ret |= NV20_3D_COLOR_MATERIAL_BACK_SPECULAR_COL1; |
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| 84 | |||
| 85 | return ret; |
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| 86 | } |
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| 87 | |||
| 88 | void |
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| 89 | nv20_emit_color_material(struct gl_context *ctx, int emit) |
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| 90 | { |
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| 91 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 92 | unsigned mask = get_material_bitmask(ctx->Light._ColorMaterialBitmask); |
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| 93 | |||
| 94 | BEGIN_NV04(push, NV20_3D(COLOR_MATERIAL), 1); |
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| 95 | PUSH_DATA (push, ctx->Light.ColorMaterialEnabled ? mask : 0); |
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| 96 | } |
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| 97 | |||
| 98 | static unsigned |
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| 99 | get_fog_mode_signed(unsigned mode) |
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| 100 | { |
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| 101 | switch (mode) { |
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| 102 | case GL_LINEAR: |
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| 103 | return NV20_3D_FOG_MODE_LINEAR_SIGNED; |
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| 104 | case GL_EXP: |
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| 105 | return NV20_3D_FOG_MODE_EXP_SIGNED; |
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| 106 | case GL_EXP2: |
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| 107 | return NV20_3D_FOG_MODE_EXP2_SIGNED; |
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| 108 | default: |
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| 109 | assert(0); |
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| 110 | } |
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| 111 | } |
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| 112 | |||
| 113 | static unsigned |
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| 114 | get_fog_mode_unsigned(unsigned mode) |
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| 115 | { |
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| 116 | switch (mode) { |
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| 117 | case GL_LINEAR: |
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| 118 | return NV20_3D_FOG_MODE_LINEAR_UNSIGNED; |
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| 119 | case GL_EXP: |
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| 120 | return NV20_3D_FOG_MODE_EXP_UNSIGNED; |
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| 121 | case GL_EXP2: |
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| 122 | return NV20_3D_FOG_MODE_EXP2_UNSIGNED; |
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| 123 | default: |
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| 124 | assert(0); |
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| 125 | } |
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| 126 | } |
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| 127 | |||
| 128 | static unsigned |
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| 129 | get_fog_source(unsigned source, unsigned distance_mode) |
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| 130 | { |
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| 131 | switch (source) { |
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| 132 | case GL_FOG_COORDINATE_EXT: |
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| 133 | return NV20_3D_FOG_COORD_FOG; |
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| 134 | case GL_FRAGMENT_DEPTH_EXT: |
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| 135 | switch (distance_mode) { |
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| 136 | case GL_EYE_PLANE_ABSOLUTE_NV: |
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| 137 | return NV20_3D_FOG_COORD_DIST_ORTHOGONAL_ABS; |
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| 138 | case GL_EYE_PLANE: |
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| 139 | return NV20_3D_FOG_COORD_DIST_ORTHOGONAL; |
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| 140 | case GL_EYE_RADIAL_NV: |
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| 141 | return NV20_3D_FOG_COORD_DIST_RADIAL; |
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| 142 | default: |
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| 143 | assert(0); |
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| 144 | } |
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| 145 | default: |
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| 146 | assert(0); |
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| 147 | } |
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| 148 | } |
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| 149 | |||
| 150 | void |
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| 151 | nv20_emit_fog(struct gl_context *ctx, int emit) |
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| 152 | { |
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| 153 | struct nouveau_context *nctx = to_nouveau_context(ctx); |
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| 154 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 155 | struct gl_fog_attrib *f = &ctx->Fog; |
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| 156 | unsigned source = nctx->fallback == HWTNL ? |
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| 157 | f->FogCoordinateSource : GL_FOG_COORDINATE_EXT; |
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| 158 | float k[3]; |
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| 159 | |||
| 160 | nv10_get_fog_coeff(ctx, k); |
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| 161 | |||
| 162 | BEGIN_NV04(push, NV20_3D(FOG_MODE), 4); |
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| 163 | PUSH_DATA (push, ((source == GL_FRAGMENT_DEPTH_EXT && |
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| 164 | f->FogDistanceMode == GL_EYE_PLANE_ABSOLUTE_NV) ? |
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| 165 | get_fog_mode_unsigned(f->Mode) : |
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| 166 | get_fog_mode_signed(f->Mode))); |
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| 167 | PUSH_DATA (push, get_fog_source(source, f->FogDistanceMode)); |
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| 168 | PUSH_DATAb(push, f->Enabled); |
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| 169 | PUSH_DATA (push, pack_rgba_f(MESA_FORMAT_RGBA8888_REV, f->Color)); |
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| 170 | |||
| 171 | BEGIN_NV04(push, NV20_3D(FOG_COEFF(0)), 3); |
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| 172 | PUSH_DATAp(push, k, 3); |
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| 173 | } |
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| 174 | |||
| 175 | void |
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| 176 | nv20_emit_light_model(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_lightmodel *m = &ctx->Light.Model; |
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| 180 | |||
| 181 | BEGIN_NV04(push, NV20_3D(SEPARATE_SPECULAR_ENABLE), 1); |
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| 182 | PUSH_DATAb(push, m->ColorControl == GL_SEPARATE_SPECULAR_COLOR); |
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| 183 | |||
| 184 | BEGIN_NV04(push, NV20_3D(LIGHT_MODEL), 1); |
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| 185 | PUSH_DATA (push, ((m->LocalViewer ? |
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| 186 | NV20_3D_LIGHT_MODEL_VIEWER_LOCAL : |
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| 187 | NV20_3D_LIGHT_MODEL_VIEWER_NONLOCAL) | |
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| 188 | (_mesa_need_secondary_color(ctx) ? |
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| 189 | NV20_3D_LIGHT_MODEL_SEPARATE_SPECULAR : |
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| 190 | 0))); |
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| 191 | |||
| 192 | BEGIN_NV04(push, NV20_3D(LIGHT_MODEL_TWO_SIDE_ENABLE), 1); |
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| 193 | PUSH_DATAb(push, ctx->Light.Model.TwoSide); |
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| 194 | } |
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| 195 | |||
| 196 | void |
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| 197 | nv20_emit_light_source(struct gl_context *ctx, int emit) |
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| 198 | { |
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| 199 | const int i = emit - NOUVEAU_STATE_LIGHT_SOURCE0; |
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| 200 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 201 | struct gl_light *l = &ctx->Light.Light[i]; |
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| 202 | |||
| 203 | if (l->_Flags & LIGHT_POSITIONAL) { |
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| 204 | BEGIN_NV04(push, NV20_3D(LIGHT_POSITION_X(i)), 3); |
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| 205 | PUSH_DATAp(push, l->_Position, 3); |
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| 206 | |||
| 207 | BEGIN_NV04(push, NV20_3D(LIGHT_ATTENUATION_CONSTANT(i)), 3); |
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| 208 | PUSH_DATAf(push, l->ConstantAttenuation); |
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| 209 | PUSH_DATAf(push, l->LinearAttenuation); |
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| 210 | PUSH_DATAf(push, l->QuadraticAttenuation); |
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| 211 | |||
| 212 | } else { |
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| 213 | BEGIN_NV04(push, NV20_3D(LIGHT_DIRECTION_X(i)), 3); |
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| 214 | PUSH_DATAp(push, l->_VP_inf_norm, 3); |
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| 215 | |||
| 216 | BEGIN_NV04(push, NV20_3D(LIGHT_HALF_VECTOR_X(i)), 3); |
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| 217 | PUSH_DATAp(push, l->_h_inf_norm, 3); |
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| 218 | } |
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| 219 | |||
| 220 | if (l->_Flags & LIGHT_SPOT) { |
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| 221 | float k[7]; |
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| 222 | |||
| 223 | nv10_get_spot_coeff(l, k); |
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| 224 | |||
| 225 | BEGIN_NV04(push, NV20_3D(LIGHT_SPOT_CUTOFF(i, 0)), 7); |
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| 226 | PUSH_DATAp(push, k, 7); |
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| 227 | } |
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| 228 | } |
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| 229 | |||
| 230 | #define USE_COLOR_MATERIAL(attr, side) \ |
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| 231 | (ctx->Light.ColorMaterialEnabled && \ |
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| 232 | ctx->Light._ColorMaterialBitmask & (1 << MAT_ATTRIB_##attr(side))) |
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| 233 | |||
| 234 | void |
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| 235 | nv20_emit_material_ambient(struct gl_context *ctx, int emit) |
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| 236 | { |
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| 237 | const int side = emit - NOUVEAU_STATE_MATERIAL_FRONT_AMBIENT; |
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| 238 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 239 | float (*mat)[4] = ctx->Light.Material.Attrib; |
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| 240 | float c_scene[3], c_factor[3]; |
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| 241 | struct gl_light *l; |
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| 242 | |||
| 243 | if (USE_COLOR_MATERIAL(AMBIENT, side)) { |
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| 244 | COPY_3V(c_scene, mat[MAT_ATTRIB_EMISSION(side)]); |
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| 245 | COPY_3V(c_factor, ctx->Light.Model.Ambient); |
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| 246 | |||
| 247 | } else if (USE_COLOR_MATERIAL(EMISSION, side)) { |
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| 248 | SCALE_3V(c_scene, mat[MAT_ATTRIB_AMBIENT(side)], |
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| 249 | ctx->Light.Model.Ambient); |
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| 250 | ASSIGN_3V(c_factor, 1, 1, 1); |
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| 251 | |||
| 252 | } else { |
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| 253 | COPY_3V(c_scene, ctx->Light._BaseColor[side]); |
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| 254 | ZERO_3V(c_factor); |
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| 255 | } |
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| 256 | |||
| 257 | BEGIN_NV04(push, SUBC_3D(LIGHT_MODEL_AMBIENT_R(side)), 3); |
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| 258 | PUSH_DATAp(push, c_scene, 3); |
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| 259 | |||
| 260 | if (ctx->Light.ColorMaterialEnabled) { |
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| 261 | BEGIN_NV04(push, SUBC_3D(MATERIAL_FACTOR_R(side)), 3); |
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| 262 | PUSH_DATAp(push, c_factor, 3); |
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| 263 | } |
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| 264 | |||
| 265 | foreach(l, &ctx->Light.EnabledList) { |
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| 266 | const int i = l - ctx->Light.Light; |
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| 267 | float *c_light = (USE_COLOR_MATERIAL(AMBIENT, side) ? |
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| 268 | l->Ambient : |
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| 269 | l->_MatAmbient[side]); |
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| 270 | |||
| 271 | BEGIN_NV04(push, SUBC_3D(LIGHT_AMBIENT_R(side, i)), 3); |
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| 272 | PUSH_DATAp(push, c_light, 3); |
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| 273 | } |
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| 274 | } |
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| 275 | |||
| 276 | void |
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| 277 | nv20_emit_material_diffuse(struct gl_context *ctx, int emit) |
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| 278 | { |
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| 279 | const int side = emit - NOUVEAU_STATE_MATERIAL_FRONT_DIFFUSE; |
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| 280 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 281 | GLfloat (*mat)[4] = ctx->Light.Material.Attrib; |
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| 282 | struct gl_light *l; |
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| 283 | |||
| 284 | BEGIN_NV04(push, SUBC_3D(MATERIAL_FACTOR_A(side)), 1); |
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| 285 | PUSH_DATAf(push, mat[MAT_ATTRIB_DIFFUSE(side)][3]); |
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| 286 | |||
| 287 | foreach(l, &ctx->Light.EnabledList) { |
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| 288 | const int i = l - ctx->Light.Light; |
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| 289 | float *c_light = (USE_COLOR_MATERIAL(DIFFUSE, side) ? |
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| 290 | l->Diffuse : |
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| 291 | l->_MatDiffuse[side]); |
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| 292 | |||
| 293 | BEGIN_NV04(push, SUBC_3D(LIGHT_DIFFUSE_R(side, i)), 3); |
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| 294 | PUSH_DATAp(push, c_light, 3); |
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| 295 | } |
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| 296 | } |
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| 297 | |||
| 298 | void |
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| 299 | nv20_emit_material_specular(struct gl_context *ctx, int emit) |
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| 300 | { |
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| 301 | const int side = emit - NOUVEAU_STATE_MATERIAL_FRONT_SPECULAR; |
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| 302 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 303 | struct gl_light *l; |
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| 304 | |||
| 305 | foreach(l, &ctx->Light.EnabledList) { |
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| 306 | const int i = l - ctx->Light.Light; |
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| 307 | float *c_light = (USE_COLOR_MATERIAL(SPECULAR, side) ? |
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| 308 | l->Specular : |
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| 309 | l->_MatSpecular[side]); |
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| 310 | |||
| 311 | BEGIN_NV04(push, SUBC_3D(LIGHT_SPECULAR_R(side, i)), 3); |
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| 312 | PUSH_DATAp(push, c_light, 3); |
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| 313 | } |
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| 314 | } |
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| 315 | |||
| 316 | void |
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| 317 | nv20_emit_material_shininess(struct gl_context *ctx, int emit) |
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| 318 | { |
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| 319 | const int side = emit - NOUVEAU_STATE_MATERIAL_FRONT_SHININESS; |
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| 320 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 321 | float (*mat)[4] = ctx->Light.Material.Attrib; |
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| 322 | float k[6]; |
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| 323 | |||
| 324 | nv10_get_shininess_coeff( |
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| 325 | CLAMP(mat[MAT_ATTRIB_SHININESS(side)][0], 0, 1024), |
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| 326 | k); |
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| 327 | |||
| 328 | BEGIN_NV04(push, SUBC_3D(MATERIAL_SHININESS(side)), 6); |
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| 329 | PUSH_DATAp(push, k, 6); |
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| 330 | } |
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| 331 | |||
| 332 | void |
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| 333 | nv20_emit_modelview(struct gl_context *ctx, int emit) |
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| 334 | { |
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| 335 | struct nouveau_context *nctx = to_nouveau_context(ctx); |
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| 336 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 337 | GLmatrix *m = ctx->ModelviewMatrixStack.Top; |
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| 338 | |||
| 339 | if (nctx->fallback != HWTNL) |
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| 340 | return; |
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| 341 | |||
| 342 | if (ctx->Light._NeedEyeCoords || ctx->Fog.Enabled || |
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| 343 | (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD)) { |
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| 344 | BEGIN_NV04(push, NV20_3D(MODELVIEW_MATRIX(0, 0)), 16); |
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| 345 | PUSH_DATAm(push, m->m); |
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| 346 | } |
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| 347 | |||
| 348 | if (ctx->Light.Enabled || |
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| 349 | (ctx->Texture._GenFlags & TEXGEN_NEED_EYE_COORD)) { |
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| 350 | int i, j; |
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| 351 | |||
| 352 | BEGIN_NV04(push, NV20_3D(INVERSE_MODELVIEW_MATRIX(0, 0)), 12); |
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| 353 | for (i = 0; i < 3; i++) |
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| 354 | for (j = 0; j < 4; j++) |
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| 355 | PUSH_DATAf(push, m->inv[4*i + j]); |
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| 356 | } |
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| 357 | } |
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| 358 | |||
| 359 | void |
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| 360 | nv20_emit_projection(struct gl_context *ctx, int emit) |
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| 361 | { |
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| 362 | struct nouveau_context *nctx = to_nouveau_context(ctx); |
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| 363 | struct nouveau_pushbuf *push = context_push(ctx); |
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| 364 | GLmatrix m; |
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| 365 | |||
| 366 | _math_matrix_ctr(&m); |
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| 367 | get_viewport_scale(ctx, m.m); |
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| 368 | |||
| 369 | if (nctx->fallback == HWTNL) |
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| 370 | _math_matrix_mul_matrix(&m, &m, &ctx->_ModelProjectMatrix); |
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| 371 | |||
| 372 | BEGIN_NV04(push, NV20_3D(PROJECTION_MATRIX(0)), 16); |
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| 373 | PUSH_DATAm(push, m.m); |
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| 374 | |||
| 375 | _math_matrix_dtr(&m); |
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| 376 | } |