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Rev | Author | Line No. | Line |
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5153 | IgorA | 1 | VERTEX_ARRAY equ 0x0001 |
2 | COLOR_ARRAY equ 0x0002 |
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3 | NORMAL_ARRAY equ 0x0004 |
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4 | TEXCOORD_ARRAY equ 0x0008 |
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5 | |||
5337 | IgorA | 6 | ;glArrayElement - использование (рисование) одного элемента из массива |
7 | ;glDrawArrays - рисование всех элементов в массиве |
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8 | ;glDrawElements - рисование тех элементов в массиве, которые заданны в массиве индексов |
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9 | |||
5153 | IgorA | 10 | align 4 |
11 | proc glopArrayElement uses eax ebx ecx edx, context:dword, param:dword |
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12 | locals |
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13 | p rd 5 |
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14 | endl |
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15 | mov eax,[context] |
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16 | mov ebx,[param] |
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17 | mov ebx,[ebx+4] ;ebx = p[1] |
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18 | |||
6523 | IgorA | 19 | bt dword[eax+GLContext.client_states],1 ;2^1=COLOR_ARRAY |
5153 | IgorA | 20 | jnc @f |
6523 | IgorA | 21 | mov ecx,[eax+GLContext.color_array_size] |
22 | add ecx,[eax+GLContext.color_array_stride] |
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5153 | IgorA | 23 | imul ecx,ebx |
24 | shl ecx,2 |
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6523 | IgorA | 25 | add ecx,[eax+GLContext.color_array] ;ecx = &context.color_array[i] |
5153 | IgorA | 26 | mov ebx,ebp |
27 | sub ebx,20 ;=sizeof(dd)*5 |
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28 | mov edx,[ecx] |
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29 | mov [ebx+4],edx |
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30 | mov edx,[ecx+4] |
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31 | mov [ebx+8],edx |
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32 | mov edx,[ecx+8] |
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33 | mov [ebx+12],edx |
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6523 | IgorA | 34 | cmp dword[eax+GLContext.color_array_size],3 |
5153 | IgorA | 35 | jg .l0 |
36 | mov edx,1.0 |
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37 | jmp .l1 |
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38 | .l0: |
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39 | mov edx,[ecx+12] |
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40 | .l1: |
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41 | mov [ebx+16],edx |
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5337 | IgorA | 42 | stdcall glopColor, eax,ebx |
5153 | IgorA | 43 | @@: |
6523 | IgorA | 44 | bt dword[eax+GLContext.client_states],2 ;2^2=NORMAL_ARRAY |
5153 | IgorA | 45 | jnc @f |
6523 | IgorA | 46 | mov esi,dword[eax+GLContext.normal_array_stride] |
5153 | IgorA | 47 | add esi,3 |
48 | imul esi,ebx |
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49 | shl esi,2 |
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6523 | IgorA | 50 | add esi,[eax+GLContext.normal_array] ;esi = &normal_array[ebx * (3 + c->normal_array_stride)] |
5153 | IgorA | 51 | mov edi,eax |
6523 | IgorA | 52 | add edi,GLContext.current_normal |
5153 | IgorA | 53 | mov ecx,3 |
54 | rep movsd |
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55 | mov dword[edi],0.0 |
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56 | @@: |
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6523 | IgorA | 57 | bt dword[eax+GLContext.client_states],3 ;2^3=TEXCOORD_ARRAY |
5153 | IgorA | 58 | jnc @f |
6523 | IgorA | 59 | mov ecx,[eax+GLContext.texcoord_array_size] |
60 | add ecx,[eax+GLContext.texcoord_array_stride] |
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5153 | IgorA | 61 | imul ecx,ebx |
62 | shl ecx,2 |
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6523 | IgorA | 63 | add ecx,[eax+GLContext.texcoord_array] ;ecx = &context.texcoord_array[i] |
5153 | IgorA | 64 | mov edx,[ecx] |
6523 | IgorA | 65 | mov [eax+GLContext.current_tex_coord],edx |
5153 | IgorA | 66 | mov edx,[ecx+4] |
6523 | IgorA | 67 | mov [eax+GLContext.current_tex_coord+4],edx |
5153 | IgorA | 68 | |
6523 | IgorA | 69 | cmp dword[eax+GLContext.texcoord_array_size],2 |
5153 | IgorA | 70 | jg .l2 |
71 | mov edx,0.0 |
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72 | jmp .l3 |
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73 | .l2: |
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74 | mov edx,[ecx+8] |
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75 | .l3: |
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6523 | IgorA | 76 | mov [eax+GLContext.current_tex_coord+8],edx |
5153 | IgorA | 77 | |
6523 | IgorA | 78 | cmp dword[eax+GLContext.texcoord_array_size],3 |
5153 | IgorA | 79 | jg .l4 |
80 | mov edx,1.0 |
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81 | jmp .l5 |
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82 | .l4: |
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83 | mov edx,[ecx+12] |
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84 | .l5: |
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85 | |||
6523 | IgorA | 86 | mov [eax+GLContext.current_tex_coord+12],edx |
5153 | IgorA | 87 | @@: |
6523 | IgorA | 88 | bt dword[eax+GLContext.client_states],0 ;2^0=VERTEX_ARRAY |
5153 | IgorA | 89 | jnc @f |
6523 | IgorA | 90 | mov ecx,[eax+GLContext.vertex_array_size] |
91 | add ecx,[eax+GLContext.vertex_array_stride] |
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5153 | IgorA | 92 | imul ecx,ebx |
93 | shl ecx,2 |
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6523 | IgorA | 94 | add ecx,[eax+GLContext.vertex_array] ;ecx = &context.vertex_array[i] |
5153 | IgorA | 95 | mov ebx,ebp |
96 | sub ebx,20 ;=sizeof(dd)*5 |
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97 | mov edx,[ecx] |
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98 | mov [ebx+4],edx |
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99 | mov edx,[ecx+4] |
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100 | mov [ebx+8],edx |
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101 | |||
6523 | IgorA | 102 | cmp dword[eax+GLContext.vertex_array_size],2 |
5153 | IgorA | 103 | jg .l6 |
104 | mov edx,0.0 |
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105 | jmp .l7 |
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106 | .l6: |
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107 | mov edx,[ecx+8] |
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108 | .l7: |
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109 | mov [ebx+12],edx |
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6523 | IgorA | 110 | cmp dword[eax+GLContext.vertex_array_size],3 |
5153 | IgorA | 111 | jg .l8 |
112 | mov edx,1.0 |
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113 | jmp .l9 |
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114 | .l8: |
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115 | mov edx,[ecx+12] |
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116 | .l9: |
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117 | |||
118 | mov [ebx+16],edx |
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5337 | IgorA | 119 | stdcall glopVertex, eax,ebx |
5153 | IgorA | 120 | @@: |
121 | ret |
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122 | endp |
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123 | |||
124 | align 4 |
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125 | proc glArrayElement uses eax, i:dword |
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126 | locals |
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127 | p rd 2 |
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128 | endl |
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129 | mov dword[p],OP_ArrayElement |
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130 | mov eax,[i] |
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131 | mov dword[p+4],eax |
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132 | |||
133 | mov eax,ebp |
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134 | sub eax,8 ;=sizeof(dd)*2 |
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135 | stdcall gl_add_op,eax |
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136 | ret |
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137 | endp |
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138 | |||
139 | align 4 |
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5337 | IgorA | 140 | proc glopDrawArrays, context:dword, param:dword |
141 | locals |
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142 | vi dd ? |
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143 | idx dd ? |
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144 | states dd ? |
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145 | size dd ? |
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146 | p rd 8 ;функция glopColor требует 8 параметров, другие функции требуют меньше, берем по максимуму что-бы не портить стек |
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147 | endl |
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148 | pushad |
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149 | mov edx,[context] |
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150 | mov ebx,[param] |
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151 | mov ecx,[ebx+12] ;count = param[3].i |
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6523 | IgorA | 152 | mov eax,[edx+GLContext.client_states] |
5337 | IgorA | 153 | mov [states],eax |
154 | mov eax,[ebx+8] |
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155 | mov [idx],eax ;param[2].i |
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156 | mov eax,[ebx+4] |
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157 | mov [p+4],eax ;p[1].i = param[1].i |
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158 | mov eax,ebp |
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159 | sub eax,32 ;=sizeof(dd)*8 |
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160 | stdcall glopBegin, edx,eax |
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161 | |||
162 | mov dword[vi],0 |
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163 | align 4 |
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164 | .cycle_0: ;for (int vi=0; vi |
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165 | cmp dword[vi],ecx |
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166 | jge .cycle_0_end |
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167 | bt dword[states],1 ;2^1=COLOR_ARRAY |
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168 | jnc @f |
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6523 | IgorA | 169 | mov esi,[edx+GLContext.color_array_size] |
5337 | IgorA | 170 | mov [size],esi |
6523 | IgorA | 171 | add esi,[edx+GLContext.color_array_stride] |
5337 | IgorA | 172 | imul esi,[idx] ;esi = i |
173 | shl esi,2 |
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6523 | IgorA | 174 | add esi,[edx+GLContext.color_array] ;esi = &context.color_array[i] |
5337 | IgorA | 175 | mov edi,ebp |
176 | sub edi,28 ;edi = &p[1] |
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5353 | IgorA | 177 | mov ebx,[esi+8] |
178 | mov [edi],ebx ;p[1].f = context.color_array[i+2] |
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179 | mov ebx,[esi+4] |
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180 | mov [edi+4],ebx ;p[2].f = context.color_array[i+1] |
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181 | mov ebx,[esi] |
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182 | mov [edi+8],ebx ;p[3].f = context.color_array[i] |
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183 | add edi,12 |
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5337 | IgorA | 184 | cmp dword[size],3 |
185 | jle .e1 |
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5353 | IgorA | 186 | add esi,12 |
5337 | IgorA | 187 | movsd |
188 | jmp .e2 |
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189 | .e1: |
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190 | mov dword[edi],1.0 ;если задано 3 параметра, то 4-й ставим по умолчанию 1.0 |
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191 | .e2: |
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5353 | IgorA | 192 | mov edi,ebp |
193 | sub edi,32 ;edi = &p[0] |
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5337 | IgorA | 194 | mov ebx,ebp |
195 | sub ebx,12 ;ebp-12 = &p[5] |
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196 | push ebx |
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197 | add ebx,4 ;ebp-8 = &p[6] |
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198 | push ebx |
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199 | add ebx,4 ;ebp-4 = &p[7] |
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200 | push ebx |
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201 | stdcall RGBFtoRGBI,[edi+12],[edi+8],[edi+4] ;call: r,g,b,&p[7],&p[6],&p[5] |
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202 | stdcall glopColor, edx,edi ;(context, p(op,rf,gf,bf,af,ri,gi,bi)) |
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203 | @@: |
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204 | bt dword[states],2 ;2^2=NORMAL_ARRAY |
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205 | jnc @f |
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6523 | IgorA | 206 | mov esi,[edx+GLContext.normal_array_stride] |
5337 | IgorA | 207 | add esi,3 |