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Rev | Author | Line No. | Line |
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5353 | IgorA | 1 | if DEBUG |
2 | f_vt db ' gl_vertex_transform',0 |
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3 | end if |
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5153 | IgorA | 4 | |
6145 | IgorA | 5 | align 16 |
5153 | IgorA | 6 | proc glopNormal uses ecx esi edi, context:dword, p:dword |
7 | mov esi,[p] |
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8 | add esi,4 |
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9 | mov edi,[context] |
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6523 | IgorA | 10 | add edi,GLContext.current_normal |
5218 | IgorA | 11 | mov ecx,3 |
5153 | IgorA | 12 | rep movsd |
5218 | IgorA | 13 | mov dword[edi],0.0 ;context.current_normal.W = 0.0 |
5153 | IgorA | 14 | ret |
15 | endp |
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16 | |||
6145 | IgorA | 17 | align 16 |
5153 | IgorA | 18 | proc glopTexCoord uses ecx esi edi, context:dword, p:dword |
19 | mov esi,[p] |
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20 | add esi,4 |
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21 | mov edi,[context] |
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6523 | IgorA | 22 | add edi,GLContext.current_tex_coord |
5153 | IgorA | 23 | mov ecx,4 |
24 | rep movsd |
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25 | ret |
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26 | endp |
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27 | |||
6145 | IgorA | 28 | align 16 |
5153 | IgorA | 29 | proc glopEdgeFlag uses eax ebx, context:dword, p:dword |
30 | mov eax,[context] |
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31 | mov ebx,[p] |
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32 | mov ebx,[ebx+4] ;ebx = p[1] |
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6523 | IgorA | 33 | mov dword[eax+GLContext.current_edge_flag],ebx |
5153 | IgorA | 34 | ret |
35 | endp |
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36 | |||
6145 | IgorA | 37 | align 16 |
5153 | IgorA | 38 | proc glopColor uses eax ecx esi edi, context:dword, p:dword |
39 | locals |
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40 | q rd 7 |
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41 | endl |
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42 | ;current_color[3] = p[1-4] |
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43 | ;longcurrent_color[2] = p[5-7] |
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44 | mov esi,[p] |
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45 | add esi,4 |
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46 | mov edi,[context] |
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6523 | IgorA | 47 | add edi,GLContext.current_color |
5153 | IgorA | 48 | mov ecx,7 |
49 | rep movsd |
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50 | |||
51 | mov eax,[context] |
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6523 | IgorA | 52 | cmp dword[eax+GLContext.color_material_enabled],0 |
5213 | IgorA | 53 | je @f |
5153 | IgorA | 54 | mov dword[q],OP_Material |
6523 | IgorA | 55 | mov ecx,[eax+GLContext.current_color_material_mode] |
5153 | IgorA | 56 | mov dword[q+4],ecx |
6523 | IgorA | 57 | mov ecx,[eax+GLContext.current_color_material_type] |
5153 | IgorA | 58 | mov dword[q+8],ecx |
59 | mov esi,[p] |
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60 | add esi,4 |
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8062 | IgorA | 61 | lea edi,[ebp-16] ;edi = &q[3] |
5153 | IgorA | 62 | mov ecx,4 |
63 | rep movsd |
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5262 | IgorA | 64 | ;mov edi,ebp |
65 | sub edi,28 ;edi = &q |
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66 | stdcall glopMaterial, eax,edi |
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5153 | IgorA | 67 | @@: |
68 | ret |
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69 | endp |
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70 | |||
6145 | IgorA | 71 | align 16 |
5153 | IgorA | 72 | proc gl_eval_viewport uses eax, context:dword |
73 | locals |
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74 | zsize dd ? ;float |
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75 | endl |
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76 | mov eax,[context] |
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6523 | IgorA | 77 | add eax,GLContext.viewport ;eax = (GLViewport*) v |
5153 | IgorA | 78 | |
79 | mov dword[zsize],(1 shl (ZB_Z_BITS + ZB_POINT_Z_FRAC_BITS)) |
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80 | fild dword[zsize] |
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81 | fstp dword[zsize] |
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82 | |||
83 | fld1 |
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84 | fld1 |
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85 | fadd st1,st0 ;st1 = 2.0 |
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86 | fdiv st0,st1 ;st0 = 0.5 |
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87 | |||
88 | fild dword[eax+offs_vpor_xsize] |
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89 | fsub st0,st1 |
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90 | fdiv st0,st2 |
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91 | fst dword[eax+offs_vpor_scale+offs_X] |
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92 | fiadd dword[eax+offs_vpor_xmin] |
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93 | fstp dword[eax+offs_vpor_trans+offs_X] |
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94 | |||
95 | fild dword[eax+offs_vpor_ysize] |
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96 | fsub st0,st1 |
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97 | fdiv st0,st2 |
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98 | fchs |
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99 | fst dword[eax+offs_vpor_scale+offs_Y] |
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100 | fchs |
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101 | fiadd dword[eax+offs_vpor_ymin] |
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102 | fstp dword[eax+offs_vpor_trans+offs_Y] |
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103 | |||
104 | fld dword[zsize] |
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105 | fsub st0,st1 |
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106 | fdiv st0,st2 |
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107 | fchs |
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108 | fst dword[eax+offs_vpor_scale+offs_Z] |
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109 | fchs |
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110 | mov dword[zsize],(1 shl ZB_POINT_Z_FRAC_BITS) / 2 |
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111 | fiadd dword[zsize] |
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112 | fstp dword[eax+offs_vpor_trans+offs_Z] |
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113 | ret |
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114 | endp |
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115 | |||
116 | |||
6145 | IgorA | 117 | align 16 |
5153 | IgorA | 118 | proc glopBegin uses eax ebx ecx edx, context:dword, p:dword |
119 | locals |
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120 | tmp M4 |
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121 | endl |
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5353 | IgorA | 122 | ;assert(context.in_begin == 0) |
5153 | IgorA | 123 | |
124 | mov edx,[context] |
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125 | mov ebx,[p] |
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126 | mov ebx,[ebx+4] ;ebx = p[1] |
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6523 | IgorA | 127 | mov [edx+GLContext.begin_type],ebx |
128 | mov dword[edx+GLContext.in_begin],1 |
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129 | mov dword[edx+GLContext.vertex_n],0 |
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130 | mov dword[edx+GLContext.vertex_cnt],0 |
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5153 | IgorA | 131 | |
6523 | IgorA | 132 | bt dword[edx+GLContext.matrix_model_projection_updated],0 |
5153 | IgorA | 133 | jnc .end_mmpu |
134 | |||
6523 | IgorA | 135 | cmp dword[edx+GLContext.lighting_enabled],0 ;if(context.lighting_enabled) |
6145 | IgorA | 136 | jne .if_0 |
6523 | IgorA | 137 | cmp dword[eax+GLContext.texture_2d_enabled],0 |
6145 | IgorA | 138 | jne .if_0 |
139 | jmp @f |
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140 | align 4 |
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141 | .if_0: |
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5256 | IgorA | 142 | if DEBUG ;context.matrix_stack_ptr[0] |
6523 | IgorA | 143 | stdcall gl_print_matrix,dword[edx+GLContext.matrix_stack_ptr],4 |
5256 | IgorA | 144 | end if |
5153 | IgorA | 145 | ; precompute inverse modelview |
8062 | IgorA | 146 | lea ebx,[ebp-sizeof.M4] |
6523 | IgorA | 147 | stdcall gl_M4_Inv, ebx,dword[edx+GLContext.matrix_stack_ptr] |
5256 | IgorA | 148 | if DEBUG ;tmp |
149 | stdcall dbg_print,txt_sp,txt_nl |
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150 | stdcall gl_print_matrix,ebx,4 |
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151 | end if |
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152 | push ebx |
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8062 | IgorA | 153 | lea ebx,[edx+GLContext.matrix_model_view_inv] |
5256 | IgorA | 154 | stdcall gl_M4_Transpose, ebx |
155 | if DEBUG ;context.matrix_model_view_inv |
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156 | stdcall dbg_print,txt_sp,txt_nl |
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157 | stdcall gl_print_matrix,ebx,4 |
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158 | end if |
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5153 | IgorA | 159 | jmp .end_if_0 |
6145 | IgorA | 160 | align 4 |
5153 | IgorA | 161 | @@: |
8062 | IgorA | 162 | lea ecx,[edx+GLContext.matrix_model_projection] |
5153 | IgorA | 163 | ; precompute projection matrix |
6523 | IgorA | 164 | stdcall gl_M4_Mul, ecx,dword[edx+GLContext.matrix_stack_ptr+4],dword[edx+GLContext.matrix_stack_ptr] |
5213 | IgorA | 165 | |
5153 | IgorA | 166 | ; test to accelerate computation |
6523 | IgorA | 167 | mov dword[edx+GLContext.matrix_model_projection_no_w_transform],0 |
5153 | IgorA | 168 | fldz |
169 | fld dword[ecx+12*4] |
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170 | fcomp st1 |
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171 | fstsw ax |
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172 | sahf |
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5353 | IgorA | 173 | jne @f |
5153 | IgorA | 174 | fld dword[ecx+13*4] |
175 | fcomp st1 |
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176 | fstsw ax |
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177 | sahf |
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5353 | IgorA | 178 | jne @f |
5153 | IgorA | 179 | fld dword[ecx+14*4] |
180 | fcomp st1 |
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181 | fstsw ax |
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182 | sahf |
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5353 | IgorA | 183 | jne @f |
6523 | IgorA | 184 | mov dword[edx+GLContext.matrix_model_projection_no_w_transform],1 |
5353 | IgorA | 185 | @@: |
186 | ffree st0 ;0.0 |
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187 | fincstp |
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5153 | IgorA | 188 | .end_if_0: |
189 | |||
190 | ; test if the texture matrix is not Identity |
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8062 | IgorA | 191 | lea eax,[edx+GLContext.matrix_stack_ptr+8] |
5218 | IgorA | 192 | stdcall gl_M4_IsId,eax |
193 | xor eax,1 |
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6523 | IgorA | 194 | mov dword[edx+GLContext.apply_texture_matrix],eax |
5153 | IgorA | 195 | |
6523 | IgorA | 196 | mov dword[edx+GLContext.matrix_model_projection_updated],0 |
5153 | IgorA | 197 | .end_mmpu: |
198 | |||
199 | ; viewport |
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6523 | IgorA | 200 | cmp dword[edx+GLContext.viewport+offs_vpor_updated],0 ;if (context.viewport.updated) |
5153 | IgorA | 201 | je @f |
202 | stdcall gl_eval_viewport,edx |
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6523 | IgorA | 203 | mov dword[edx+GLContext.viewport+offs_vpor_updated],0 |
5153 | IgorA | 204 | @@: |
205 | ; triangle drawing functions |
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6523 | IgorA | 206 | cmp dword[edx+GLContext.render_mode],GL_SELECT |
5153 | IgorA | 207 | jne @f |
6523 | IgorA | 208 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_select |
209 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_select |
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5153 | IgorA | 210 | jmp .end_if_2 |
6145 | IgorA | 211 | align 4 |
5153 | IgorA | 212 | @@: |
213 | |||
6523 | IgorA | 214 | cmp dword[edx+GLContext.polygon_mode_front],GL_POINT |
5153 | IgorA | 215 | jne @f |
6523 | IgorA | 216 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_point |
5153 | IgorA | 217 | jmp .end_if_1 |
6145 | IgorA | 218 | align 4 |
5153 | IgorA | 219 | @@: |
6523 | IgorA | 220 | cmp dword[edx+GLContext.polygon_mode_front],GL_LINE |
5153 | IgorA | 221 | jne @f |
6523 | IgorA | 222 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_line |
5153 | IgorA | 223 | jmp .end_if_1 |
6145 | IgorA | 224 | align 4 |
5153 | IgorA | 225 | @@: ;default: |
6523 | IgorA | 226 | mov dword[edx+GLContext.draw_triangle_front],gl_draw_triangle_fill |
5153 | IgorA | 227 | .end_if_1: |
228 | |||
6523 | IgorA | 229 | cmp dword[edx+GLContext.polygon_mode_back],GL_POINT |
5153 | IgorA | 230 | jne @f |
6523 | IgorA | 231 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_point |
5153 | IgorA | 232 | jmp .end_if_2 |
6145 | IgorA | 233 | align 4 |
5153 | IgorA | 234 | @@: |
6523 | IgorA | 235 | cmp dword[edx+GLContext.polygon_mode_back],GL_LINE |
5153 | IgorA | 236 | jne @f |
6523 | IgorA | 237 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_line |
5153 | IgorA | 238 | jmp .end_if_2 |
6145 | IgorA | 239 | align 4 |
5153 | IgorA | 240 | @@: ;default: |
6523 | IgorA | 241 | mov dword[edx+GLContext.draw_triangle_back],gl_draw_triangle_fill |
5153 | IgorA | 242 | .end_if_2: |
243 | ret |
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244 | endp |
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245 | |||
246 | ; coords, tranformation , clip code and projection |
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247 | ; TODO : handle all cases |
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6145 | IgorA | 248 | align 16 |
5153 | IgorA | 249 | proc gl_vertex_transform, context:dword, v:dword |
250 | pushad |
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251 | mov eax,[context] |
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252 | mov edx,[v] |
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6523 | IgorA | 253 | cmp dword[eax+GLContext.lighting_enabled],0 ;if (context.lighting_enabled) |
6145 | IgorA | 254 | jne @f |
6523 | IgorA | 255 | cmp dword[eax+GLContext.texture_2d_enabled],0 |
6145 | IgorA | 256 | jne @f |
257 | jmp .els_0 |
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258 | align 4 |
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259 | @@: |
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5153 | IgorA | 260 | ; eye coordinates needed for lighting |
6523 | IgorA | 261 | mov ebx,dword[eax+GLContext.matrix_stack_ptr] |
5153 | IgorA | 262 | finit |
8062 | IgorA | 263 | fld dword[edx+GLVertex.coord+offs_X] |
264 | fld dword[edx+GLVertex.coord+offs_Y] |
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265 | fld dword[edx+GLVertex.coord+offs_Z] |
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5153 | IgorA | 266 | |
267 | mov ecx,4 |
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268 | .cycle_0: |
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269 | fld dword[ebx] ;st0 = m[0] |
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270 | fmul st0,st3 ;st0 *= v.coord.X |
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271 | fld dword[ebx+4] ;st0 = m[1] |
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272 | fmul st0,st3 ;st0 *= v.coord.Y |
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5269 | IgorA | 273 | faddp ;st0 = v.coord.X * m[0] + v.coord.Y * m[1] |
5153 | IgorA | 274 | fld dword[ebx+8] ;st0 = m[2] |
5269 | IgorA | 275 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 276 | fadd dword[ebx+12] ;st0 += m[3] |
5392 | IgorA | 277 | faddp ;st0 = v.ec.X |
8062 | IgorA | 278 | fstp dword[edx+GLVertex.ec] ;v.ec.X = v.coord.X * m[0] + v.coord.Y * m[1] + v.coord.Z * m[2] + m[3] |
5153 | IgorA | 279 | add ebx,16 ;следущая строка матрицы |
280 | add edx,4 ;следущая координата вектора |
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281 | loop .cycle_0 |
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5218 | IgorA | 282 | ffree st0 |
283 | fincstp |
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284 | ffree st0 |
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285 | fincstp |
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286 | ffree st0 |
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287 | fincstp |
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5153 | IgorA | 288 | |
289 | ; projection coordinates |
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6523 | IgorA | 290 | mov ebx,dword[eax+GLContext.matrix_stack_ptr+4] |
5153 | IgorA | 291 | mov edx,[v] |
5218 | IgorA | 292 | |
8062 | IgorA | 293 | fld dword[edx+GLVertex.ec+offs_X] |
294 | fld dword[edx+GLVertex.ec+offs_Y] |
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295 | fld dword[edx+GLVertex.ec+offs_Z] |
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296 | fld dword[edx+GLVertex.ec+offs_W] |
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5153 | IgorA | 297 | |
298 | mov ecx,4 |
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299 | .cycle_1: |
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300 | fld dword[ebx] ;st0 = m[0] |
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5392 | IgorA | 301 | fmul st0,st4 ;st0 *= v.ec.X |
5153 | IgorA | 302 | fld dword[ebx+4] ;st0 = m[1] |
5392 | IgorA | 303 | fmul st0,st4 ;st0 *= v.ec.Y |
5269 | IgorA | 304 | faddp ;st0 = v.ec.X * m[0] + v.ec.Y * m[1] |
5153 | IgorA | 305 | fld dword[ebx+8] ;st0 = m[2] |
5392 | IgorA | 306 | fmul st0,st3 ;st0 *= v.ec.Z |
307 | faddp ;st0 = v.ec.X * m[0] + v.ec.Y * m[1] + v.ec.Z * m[2] |
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308 | fld dword[ebx+12] ;st0 = m[3] |
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309 | fmul st0,st2 ;st0 *= v.ec.W |
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5269 | IgorA | 310 | faddp ;st0 = v.pc.X |
8062 | IgorA | 311 | fstp dword[edx+GLVertex.pc] ;v.pc.X = v.ec.X * m[0] + v.ec.Y * m[1] + v.ec.Z * m[2] + v.ec.W * m[3] |
5153 | IgorA | 312 | add ebx,16 ;следущая строка матрицы |
313 | add edx,4 ;следущая координата вектора |
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314 | loop .cycle_1 |
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5218 | IgorA | 315 | ffree st0 |
316 | fincstp |
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317 | ffree st0 |
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318 | fincstp |
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319 | ffree st0 |
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320 | fincstp |
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5392 | IgorA | 321 | ffree st0 |
322 | fincstp |
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5153 | IgorA | 323 | |
8062 | IgorA | 324 | lea ebx,[eax+GLContext.matrix_model_view_inv] |
325 | lea edi,[eax+GLContext.current_normal] |
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5153 | IgorA | 326 | mov edx,[v] |
5218 | IgorA | 327 | |
5256 | IgorA | 328 | fld dword[edi] ;edi = &n |
5153 | IgorA | 329 | fld dword[edi+offs_Y] |
330 | fld dword[edi+offs_Z] |
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331 | |||
8062 | IgorA | 332 | add edx,GLVertex.normal |
5153 | IgorA | 333 | |
5392 | IgorA | 334 | fld dword[ebx] ;st0 = m[0] |
335 | fmul st0,st3 ;st0 *= n.X |
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336 | fld dword[ebx+4] ;st0 = m[1] |
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337 | fmul st0,st3 ;st0 *= n.Y |
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338 | faddp ;st0 = n.X * m[0] + n.Y * m[1] |
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339 | fld dword[ebx+8] ;st0 = m[2] |
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340 | fmul st0,st2 ;st0 *= n.Z |
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341 | faddp ;st0 = v.normal.X |
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342 | fstp dword[edx] ;v.normal.X = n.X * m[0] + n.Y * m[1] + n.Z * m[2] |
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343 | |||
344 | fld dword[ebx+16];st0 = m[4] |
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345 | fmul st0,st3 ;st0 *= n.X |
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346 | fld dword[ebx+20];st0 = m[5] |
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347 | fmul st0,st3 ;st0 *= n.Y |
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348 | faddp ;st0 = n.X * m[4] + n.Y * m[5] |
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349 | fld dword[ebx+24];st0 = m[6] |
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350 | fmul st0,st2 ;st0 *= n.Z |
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351 | faddp ;st0 = v.normal.X |
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352 | fstp dword[edx+4];v.normal.X = n.X * m[4] + n.Y * m[5] + n.Z * m[6] |
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353 | |||
354 | fld dword[ebx+32];st0 = m[8] |
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355 | fmul st0,st3 ;st0 *= n.X |
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356 | fld dword[ebx+36];st0 = m[9] |
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357 | fmul st0,st3 ;st0 *= n.Y |
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358 | faddp ;st0 = n.X * m[8] + n.Y * m[9] |
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359 | fld dword[ebx+40];st0 = m[10] |
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360 | fmul st0,st2 ;st0 *= n.Z |
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361 | faddp ;st0 = v.normal.X |
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362 | fstp dword[edx+8];v.normal.X = n.X * m[8] + n.Y * m[9] + n.Z * m[10] |
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363 | |||
6523 | IgorA | 364 | cmp dword[eax+GLContext.normalize_enabled],0 |
5153 | IgorA | 365 | je .end_els |
5218 | IgorA | 366 | stdcall gl_V3_Norm,edx |
5153 | IgorA | 367 | jmp .end_els |
6145 | IgorA | 368 | align 4 |
5153 | IgorA | 369 | .els_0: |
370 | ; no eye coordinates needed, no normal |
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371 | ; NOTE: W = 1 is assumed |
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8062 | IgorA | 372 | lea ebx,[eax+GLContext.matrix_model_projection] |
5153 | IgorA | 373 | |
374 | finit |
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8062 | IgorA | 375 | fld dword[edx+GLVertex.coord+offs_X] |
376 | fld dword[edx+GLVertex.coord+offs_Y] |
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377 | fld dword[edx+GLVertex.coord+offs_Z] |
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5153 | IgorA | 378 | |
8062 | IgorA | 379 | lea esi,[edx+GLVertex.pc] |
5153 | IgorA | 380 | |
381 | fld dword[ebx] ;st0 = m[0] |
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382 | fmul st0,st3 ;st0 *= v.coord.X |
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383 | fld dword[ebx+4] ;st0 = m[1] |
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384 | fmul st0,st3 ;st0 *= v.coord.Y |
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5269 | IgorA | 385 | faddp ;st0 = v.coord.X * m[0] + v.coord.Y * m[1] |
5153 | IgorA | 386 | fld dword[ebx+8] ;st0 = m[2] |
5269 | IgorA | 387 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 388 | fadd dword[ebx+12] ;st0 += m[3] |
5269 | IgorA | 389 | faddp ;st0 = v.pc.X |
5153 | IgorA | 390 | fstp dword[esi] ;v.pc.X = v.coord.X * m[0] + v.coord.Y * m[1] + v.coord.Z * m[2] + m[3] |
5175 | IgorA | 391 | |
5153 | IgorA | 392 | fld dword[ebx+16] ;st0 = m[4] |
393 | fmul st0,st3 ;st0 *= v.coord.X |
||
394 | fld dword[ebx+20] ;st0 = m[5] |
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395 | fmul st0,st3 ;st0 *= v.coord.Y |
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5269 | IgorA | 396 | faddp ;st0 = v.coord.X * m[4] + v.coord.Y * m[5] |
5153 | IgorA | 397 | fld dword[ebx+24] ;st0 = m[6] |
5269 | IgorA | 398 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 399 | fadd dword[ebx+28] ;st0 += m[7] |
5269 | IgorA | 400 | faddp ;st0 = v.pc.Y |
401 | fstp dword[esi+4] ;v.pc.Y = v.coord.X * m[4] + v.coord.Y * m[5] + v.coord.Z * m[6] + m[7] |
||
5175 | IgorA | 402 | |
5153 | IgorA | 403 | fld dword[ebx+32] ;st0 = m[8] |
404 | fmul st0,st3 ;st0 *= v.coord.X |
||
405 | fld dword[ebx+36] ;st0 = m[9] |
||
406 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 407 | faddp ;st0 = v.coord.X * m[8] + v.coord.Y * m[9] |
5153 | IgorA | 408 | fld dword[ebx+40] ;st0 = m[10] |
5269 | IgorA | 409 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 410 | fadd dword[ebx+44] ;st0 += m[11] |
5269 | IgorA | 411 | faddp ;st0 = v.pc.Z |
412 | fstp dword[esi+8] ;v.pc.Z = v.coord.X * m[8] + v.coord.Y * m[9] + v.coord.Z * m[10] + m[11] |
||
5153 | IgorA | 413 | |
6523 | IgorA | 414 | cmp dword[eax+GLContext.matrix_model_projection_no_w_transform],0 |
5153 | IgorA | 415 | je .els_1 |
416 | ;if (context.matrix_model_projection_no_w_transform) |
||
417 | mov ebx,dword[ebx+60] ;ebx = m[15] |
||
418 | mov dword[esi+12],ebx ;v.pc.W = m[15] |
||
419 | jmp .end_els |
||
6145 | IgorA | 420 | align 4 |
5153 | IgorA | 421 | .els_1: |
422 | fld dword[ebx+48] ;st0 = m[12] |
||
423 | fmul st0,st3 ;st0 *= v.coord.X |
||
424 | fld dword[ebx+52] ;st0 = m[13] |
||
425 | fmul st0,st3 ;st0 *= v.coord.Y |
||
5269 | IgorA | 426 | faddp ;st0 = v.coord.X * m[12] + v.coord.Y * m[13] |
5153 | IgorA | 427 | fld dword[ebx+56] ;st0 = m[14] |
5269 | IgorA | 428 | fmul st0,st2 ;st0 *= v.coord.Z |
5153 | IgorA | 429 | fadd dword[ebx+60] ;st0 += m[15] |
5269 | IgorA | 430 | faddp ;st0 = v.pc.W |
5153 | IgorA | 431 | fstp dword[esi+12] ;v.pc.W = v.coord.X * m[12] + v.coord.Y * m[13] + v.coord.Z * m[14] + m[15] |
432 | .end_els: |
||
5175 | IgorA | 433 | ffree st0 |
434 | fincstp |
||
435 | ffree st0 |
||
436 | fincstp |
||
437 | ffree st0 |
||
438 | fincstp |
||
439 | |||
5153 | IgorA | 440 | if DEBUG ;gl_vertex_transform |
441 | stdcall dbg_print,f_vt,txt_nl |
||
442 | mov edx,[v] |
||
8062 | IgorA | 443 | add edx,GLVertex.pc |
5153 | IgorA | 444 | stdcall gl_print_matrix,edx,1 |
445 | end if |
||
446 | mov edx,[v] |
||
8062 | IgorA | 447 | stdcall gl_clipcode, dword[edx+GLVertex.pc+offs_X], dword[edx+GLVertex.pc+offs_Y],\ |
448 | dword[edx+GLVertex.pc+offs_Z], dword[edx+GLVertex.pc+offs_W] |
||
449 | mov dword[edx+GLVertex.clip_code],eax |
||
5153 | IgorA | 450 | popad |
451 | ret |
||
452 | endp |
||
453 | |||
6145 | IgorA | 454 | align 16 |
5153 | IgorA | 455 | proc glopVertex, context:dword, p:dword |
456 | locals |
||
457 | ;ebx = GLVertex * v |
||
458 | n dd ? ;ebp-4 |
||
459 | endl |
||
460 | pushad |
||
461 | mov edx,[context] |
||
462 | |||
463 | ; assert(c->in_begin != 0); |
||
464 | |||
6523 | IgorA | 465 | mov ecx,[edx+GLContext.vertex_n] |
5153 | IgorA | 466 | mov [n],ecx |
6523 | IgorA | 467 | inc dword[edx+GLContext.vertex_cnt] |
5153 | IgorA | 468 | |
469 | ; quick fix to avoid crashes on large polygons |
||
6523 | IgorA | 470 | mov ecx,[edx+GLContext.vertex_max] |
5153 | IgorA | 471 | cmp dword[n],ecx |
472 | jl @f |
||
6523 | IgorA | 473 | shl dword[edx+GLContext.vertex_max],1 ; just double size |
5153 | IgorA | 474 | imul ecx,2*sizeof.GLVertex |
475 | stdcall gl_malloc,ecx |
||
476 | cmp eax,0 |
||
477 | jne .no_err |
||
478 | ;gl_fatal_error("unable to allocate GLVertex array.\n"); |
||
479 | .no_err: |
||
480 | mov edi,eax |
||
481 | mov ebx,eax |
||
6523 | IgorA | 482 | mov esi,[edx+GLContext.vertex] |
5153 | IgorA | 483 | mov ecx,[n] |
484 | imul ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
||
485 | rep movsd |
||
6523 | IgorA | 486 | stdcall gl_free,dword[edx+GLContext.vertex] |
487 | mov dword[edx+GLContext.vertex],ebx |
||
5153 | IgorA | 488 | @@: |
489 | ; new vertex entry |
||
490 | mov ebx,[n] |
||
491 | imul ebx,sizeof.GLVertex |
||
6523 | IgorA | 492 | add ebx,[edx+GLContext.vertex] |
5153 | IgorA | 493 | inc dword[n] |
494 | |||
495 | mov esi,[p] |
||
496 | add esi,4 |
||
8062 | IgorA | 497 | lea edi,[ebx+GLVertex.coord] ;edi = &v.coord |
5153 | IgorA | 498 | mov ecx,4 |
499 | rep movsd |
||
500 | |||
501 | stdcall gl_vertex_transform, edx, ebx |
||
502 | |||
503 | ; color |
||
6523 | IgorA | 504 | cmp dword[edx+GLContext.lighting_enabled],0 |
5153 | IgorA | 505 | je .els_0 |
506 | stdcall gl_shade_vertex, edx,ebx |
||
507 | jmp @f |
||
6145 | IgorA | 508 | align 4 |
5153 | IgorA | 509 | .els_0: |
8062 | IgorA | 510 | lea esi,[edx+GLContext.current_color] |
511 | lea edi,[ebx+GLVertex.color] ;edi = &v.color |
||
5392 | IgorA | 512 | mov ecx,4 |
513 | rep movsd |
||
5153 | IgorA | 514 | @@: |
515 | |||
516 | ; tex coords |
||
6523 | IgorA | 517 | cmp dword[edx+GLContext.texture_2d_enabled],0 |
5153 | IgorA | 518 | je @f |
6523 | IgorA | 519 | cmp dword[edx+GLContext.apply_texture_matrix],0 |
5153 | IgorA | 520 | je .els_1 |
8062 | IgorA | 521 | lea eax,[edx+GLContext.current_tex_coord] |
5269 | IgorA | 522 | push eax ;&context.current_tex_coord |
8062 | IgorA | 523 | lea eax,[ebx+GLVertex.tex_coord] |
6523 | IgorA | 524 | stdcall gl_M4_MulV4, eax, dword[edx+GLContext.matrix_stack_ptr+8] |
5153 | IgorA | 525 | jmp @f |
6145 | IgorA | 526 | align 4 |
5153 | IgorA | 527 | .els_1: |
8062 | IgorA | 528 | lea esi,[edx+GLContext.current_tex_coord] |
529 | lea edi,[ebx+GLVertex.tex_coord] |
||
5269 | IgorA | 530 | mov ecx,4 |
531 | rep movsd |
||
5153 | IgorA | 532 | @@: |
533 | |||
534 | ; precompute the mapping to the viewport |
||
8062 | IgorA | 535 | cmp dword[ebx+GLVertex.clip_code],0 |
5153 | IgorA | 536 | jne @f |
537 | stdcall gl_transform_to_viewport, edx,ebx |
||
538 | @@: |
||
539 | |||
540 | ; edge flag |
||
6523 | IgorA | 541 | mov eax,[edx+GLContext.current_edge_flag] |
8062 | IgorA | 542 | mov dword[ebx+GLVertex.edge_flag],eax ;v.edge_flag = context.current_edge_flag |
5153 | IgorA | 543 | |
6523 | IgorA | 544 | cmp dword[edx+GLContext.begin_type],GL_POINTS |
5153 | IgorA | 545 | jne @f |
6523 | IgorA | 546 | stdcall gl_draw_point, edx, dword[edx+GLContext.vertex] ;dword[edx+...] = &context.vertex[0] |
5153 | IgorA | 547 | mov dword[n],0 |
548 | jmp .end_f |
||
6145 | IgorA | 549 | align 4 |
5153 | IgorA | 550 | @@: |
6523 | IgorA | 551 | cmp dword[edx+GLContext.begin_type],GL_LINES |
5153 | IgorA | 552 | jne @f |
553 | cmp dword[n],2 |
||
554 | jne .end_f |
||
6523 | IgorA | 555 | mov eax,[edx+GLContext.vertex] |
5153 | IgorA | 556 | push eax |
557 | add eax,sizeof.GLVertex |
||
5175 | IgorA | 558 | stdcall gl_draw_line, edx, eax |
5153 | IgorA | 559 | xor eax,eax |
560 | mov dword[n],eax |
||
561 | jmp .end_f |
||
6145 | IgorA | 562 | align 4 |
5153 | IgorA | 563 | @@: |
6523 | IgorA | 564 | cmp dword[edx+GLContext.begin_type],GL_LINE_STRIP |
5153 | IgorA | 565 | je .li_loop |
6523 | IgorA | 566 | cmp dword[edx+GLContext.begin_type],GL_LINE_LOOP |
5153 | IgorA | 567 | jne @f |
568 | .li_loop: |
||
569 | cmp dword[n],1 |
||
570 | jne .els_2 |
||
6523 | IgorA | 571 | mov esi,[edx+GLContext.vertex] |
8062 | IgorA | 572 | lea edi,[esi+2*sizeof.GLVertex] |
5153 | IgorA | 573 | mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
574 | rep movsd ;context.vertex[2] = context.vertex[0] |
||
575 | jmp .end_f |
||
6145 | IgorA | 576 | align 4 |
5153 | IgorA | 577 | .els_2: |
578 | cmp dword[n],2 |
||
579 | jne .end_f ;else if (n == 2) |
||
8062 | IgorA | 580 | mov edi,[edx+GLContext.vertex] |
581 | lea esi,[edi+sizeof.GLVertex] |
||
582 | stdcall gl_draw_line, edx, esi, edi |
||
5153 | IgorA | 583 | mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
584 | rep movsd ;context.vertex[0] = context.vertex[1] |
||
585 | mov dword[n],1 |
||
586 | jmp .end_f |
||
6145 | IgorA | 587 | align 4 |
5153 | IgorA | 588 | @@: |
6523 | IgorA | 589 | cmp dword[edx+GLContext.begin_type],GL_TRIANGLES |
5153 | IgorA | 590 | jne @f |
591 | cmp dword[n],3 |
||
592 | jne .end_f |
||
6523 | IgorA | 593 | mov eax,[edx+GLContext.vertex] |
5418 | IgorA | 594 | mov [esp-12],eax |
5175 | IgorA | 595 | add eax,sizeof.GLVertex |
5218 | IgorA | 596 | mov [esp-8],eax |
5175 | IgorA | 597 | add eax,sizeof.GLVertex |
5418 | IgorA | 598 | mov [esp-4],eax |
5218 | IgorA | 599 | sub esp,12 |
5418 | IgorA | 600 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
5153 | IgorA | 601 | xor eax,eax |
602 | mov dword[n],eax |
||
603 | jmp .end_f |
||
6145 | IgorA | 604 | align 4 |
5153 | IgorA | 605 | @@: |
6523 | IgorA | 606 | cmp dword[edx+GLContext.begin_type],GL_TRIANGLE_STRIP |
5153 | IgorA | 607 | jne @f |
6523 | IgorA | 608 | cmp dword[edx+GLContext.vertex_cnt],3 ;if (context.vertex_cnt >= 3) |
5269 | IgorA | 609 | jl .end_f |
610 | cmp dword[n],3 |
||
611 | jne .ts3 |
||
612 | xor eax,eax |
||
613 | mov dword[n],eax |
||
614 | .ts3: |
||
615 | ; needed to respect triangle orientation |
||
6523 | IgorA | 616 | mov eax,[edx+GLContext.vertex] |
617 | bt dword[edx+GLContext.vertex_cnt],0 |
||
5269 | IgorA | 618 | jc .case_1 |
5418 | IgorA | 619 | mov [esp-4],eax |
5269 | IgorA | 620 | add eax,sizeof.GLVertex |
621 | mov [esp-8],eax |
||
622 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 623 | mov [esp-12],eax |
5269 | IgorA | 624 | sub esp,12 |
5418 | IgorA | 625 | stdcall gl_draw_triangle, edx ;v2,v1,v0 |
5269 | IgorA | 626 | jmp .end_f |
6145 | IgorA | 627 | align 4 |
5269 | IgorA | 628 | .case_1: |
5418 | IgorA | 629 | mov [esp-12],eax |
5269 | IgorA | 630 | add eax,sizeof.GLVertex |
631 | mov [esp-8],eax |
||
632 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 633 | mov [esp-4],eax |
5269 | IgorA | 634 | sub esp,12 |
5418 | IgorA | 635 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
5153 | IgorA | 636 | jmp .end_f |
6145 | IgorA | 637 | align 4 |
5153 | IgorA | 638 | @@: |
6523 | IgorA | 639 | cmp dword[edx+GLContext.begin_type],GL_TRIANGLE_FAN |
5153 | IgorA | 640 | jne @f |
5218 | IgorA | 641 | cmp dword[n],3 |
5153 | IgorA | 642 | jne .end_f |
6523 | IgorA | 643 | mov eax,[edx+GLContext.vertex] |
5418 | IgorA | 644 | mov [esp-12],eax |
8062 | IgorA | 645 | lea edi,[eax+sizeof.GLVertex] |
646 | mov [esp-8],edi |
||
647 | lea esi,[edi+sizeof.GLVertex] |
||
648 | mov [esp-4],esi |
||
5218 | IgorA | 649 | sub esp,12 |
5418 | IgorA | 650 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
5218 | IgorA | 651 | mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb |
652 | rep movsd ;context.vertex[1] = context.vertex[2] |
||
5153 | IgorA | 653 | mov dword[n],2 |
654 | jmp .end_f |
||
6145 | IgorA | 655 | align 4 |
5153 | IgorA | 656 | @@: |
6523 | IgorA | 657 | cmp dword[edx+GLContext.begin_type],GL_QUADS |
5153 | IgorA | 658 | jne @f |
659 | cmp dword[n],4 |
||
660 | jne .end_f |
||
6523 | IgorA | 661 | mov eax,[edx+GLContext.vertex] |
5213 | IgorA | 662 | add eax,2*sizeof.GLVertex |
8062 | IgorA | 663 | mov dword[eax+GLVertex.edge_flag],0 ;context.vertex[2].edge_flag = 0 |
5213 | IgorA | 664 | push eax |
665 | sub eax,sizeof.GLVertex |
||
666 | push eax |
||
667 | sub eax,sizeof.GLVertex |
||
668 | stdcall gl_draw_triangle, edx,eax ;v0,v1,v2 |
||
8062 | IgorA | 669 | mov dword[eax+GLVertex.edge_flag],0 ;context.vertex[0].edge_flag = 0 |
5213 | IgorA | 670 | add eax,2*sizeof.GLVertex |
8062 | IgorA | 671 | mov dword[eax+GLVertex.edge_flag],1 ;context.vertex[2].edge_flag = 1 |
5213 | IgorA | 672 | add eax,sizeof.GLVertex |
673 | push eax |
||
674 | sub eax,sizeof.GLVertex |
||
675 | push eax |
||
676 | sub eax,2*sizeof.GLVertex |
||
677 | stdcall gl_draw_triangle, edx,eax ;v0,v2,v3 |
||
5153 | IgorA | 678 | xor eax,eax |
679 | mov dword[n],eax |
||
680 | jmp .end_f |
||
6145 | IgorA | 681 | align 4 |
5153 | IgorA | 682 | @@: |
6523 | IgorA | 683 | cmp dword[edx+GLContext.begin_type],GL_QUAD_STRIP |
5153 | IgorA | 684 | jne @f |
5218 | IgorA | 685 | cmp dword[n],4 |
5153 | IgorA | 686 | jne .end_f |
6523 | IgorA | 687 | mov eax,[edx+GLContext.vertex] |
5418 | IgorA | 688 | mov [esp-12],eax |
5218 | IgorA | 689 | mov edi,eax |
690 | add eax,sizeof.GLVertex |
||
691 | mov [esp-8],eax |
||
692 | add eax,sizeof.GLVertex |
||
5418 | IgorA | 693 | mov [esp-4],eax |
5218 | IgorA | 694 | mov esi,eax |
695 | sub esp,12 |
||
696 | stdcall gl_draw_triangle, edx ;v0,v1,v2 |
||
5418 | IgorA | 697 | mov [esp-4],eax |
5218 | IgorA | 698 | add eax,sizeof.GLVertex |
699 | mov [esp-8],eax |
||
700 | sub eax,2*sizeof.GLVertex |
||
5418 | IgorA | 701 | mov [esp-12],eax |
5218 | IgorA | 702 | sub esp,12 |
703 | stdcall gl_draw_triangle, edx ;v1,v3,v2 |
||
704 | mov ecx,(sizeof.GLVertex)/2 ;((...)/2) копируем 2 вершины |
||
705 | rep movsd ;context.vertex[0] = context.vertex[2], context.vertex[1] = context.vertex[3] |
||
5153 | IgorA | 706 | mov dword[n],2 |
707 | jmp .end_f |
||
6145 | IgorA | 708 | align 4 |
5153 | IgorA | 709 | @@: |
6523 | IgorA | 710 | cmp dword[edx+GLContext.begin_type],GL_POLYGON |
5213 | IgorA | 711 | je .end_f |
5153 | IgorA | 712 | ; default: |
713 | ; gl_fatal_error("glBegin: type %x not handled\n", c->begin_type); |
||
714 | ; } |
||
715 | .end_f: |
||
716 | |||
717 | mov ecx,[n] |
||
6523 | IgorA | 718 | mov [edx+GLContext.vertex_n],ecx |
5153 | IgorA | 719 | popad |
720 | ret |
||
721 | endp |
||
722 | |||
6145 | IgorA | 723 | align 16 |
5213 | IgorA | 724 | proc glopEnd uses eax ebx ecx, context:dword, p:dword |
5153 | IgorA | 725 | mov eax,[context] |
726 | ; assert(c->in_begin == 1); |
||
727 | |||
6523 | IgorA | 728 | cmp dword[eax+GLContext.begin_type],GL_LINE_LOOP |
5153 | IgorA | 729 | jne .else_i |
6523 | IgorA | 730 | cmp dword[eax+GLContext.vertex_cnt],3 |
5153 | IgorA | 731 | jl .end_i |
6523 | IgorA | 732 | mov ebx,[eax+GLContext.vertex] |
5153 | IgorA | 733 | push ebx |
734 | add ebx,2*sizeof.GLVertex |
||
735 | push ebx |
||
736 | stdcall gl_draw_line, eax |
||
737 | jmp .end_i |
||
6145 | IgorA | 738 | align 4 |
5153 | IgorA | 739 | .else_i: |
6523 | IgorA | 740 | cmp dword[eax+GLContext.begin_type],GL_POLYGON |
5153 | IgorA | 741 | jne .end_i |
6523 | IgorA | 742 | mov ebx,dword[eax+GLContext.vertex_cnt] |
5153 | IgorA | 743 | @@: ;while (ebx >= 3) |
744 | cmp ebx,3 |
||
745 | jl .end_i |
||
5213 | IgorA | 746 | dec ebx |
747 | mov ecx,ebx |
||
748 | imul ecx,sizeof.GLVertex |
||
6523 | IgorA | 749 | add ecx,[eax+GLContext.vertex] |
5213 | IgorA | 750 | push ecx ;ecx = &context.vertex[i] |
751 | sub ecx,sizeof.GLVertex |
||
752 | push ecx ;ecx = &context.vertex[i-1] |
||
6523 | IgorA | 753 | stdcall gl_draw_triangle, eax,[eax+GLContext.vertex] |
5153 | IgorA | 754 | jmp @b |
6145 | IgorA | 755 | align 4 |
5153 | IgorA | 756 | .end_i: |
6523 | IgorA | 757 | mov dword[eax+GLContext.in_begin],0 |
5153 | IgorA | 758 | ret |
759 | endp |