| 40,22 → 40,16 |
|---|
| |
| align 4 |
| proc gl_resize_viewport uses ebx ecx edx edi esi, context:dword, xsize_ptr:dword, ysize_ptr:dword |
| xor eax,eax |
| |
| mov ecx,[xsize_ptr] ; ecx = &xsize |
| mov edi,[ecx] ; edi = xsize |
| mov esi,[ysize_ptr] ; esi = &ysize |
| mov esi,[esi] ; esi = ysize |
| |
| ; we ensure that xsize and ysize are multiples of 2 for the zbuffer. |
| ; TODO: find a better solution |
| and edi, not 3 |
| and esi, not 3 |
| |
| cmp edi,0 |
| jne @f |
| cmp esi,0 |
| jne @f |
| xor eax,eax |
| or edi,edi |
| jnz @f |
| or esi,esi |
| jnz @f |
| mov eax,-1 |
| jmp .end_f |
| @@: |
| 68,10 → 62,10 |
|---|
| |
| mov ebx,[context] |
| mov edx,[ebx+GLContext.opaque] ; edx = (TinyGLContext *)context.opaque |
| mov [edx+4],edi |
| mov [edx+12],edi ;d_x = xsize |
| mov [edx+8],esi |
| mov [edx+16],esi ;d_y = ysize |
| mov [edx+TinyGLContext.xsize],edi |
| mov [edx+TinyGLContext.d_x],edi |
| mov [edx+TinyGLContext.ysize],esi |
| mov [edx+TinyGLContext.d_y],esi |
| |
| ; resize the Z buffer |
| stdcall ZB_resize, dword[ebx+GLContext.zb],0,edi,esi |
| 87,13 → 81,13 |
|---|
| jne .end_f |
| ; create the TinyGL context |
| mov ecx,[win_x0] |
| mov [ebx+20],ecx ;ctx.x = win_x0 |
| mov [ebx+TinyGLContext.x],ecx |
| mov ecx,[win_y0] |
| mov [ebx+24],ecx ;ctx.y = win_y0 |
| mov [ebx+TinyGLContext.y],ecx |
| mov ecx,[win_x] |
| mov [ebx+12],ecx ;ctx.d_x = win_x |
| mov [ebx+TinyGLContext.d_x],ecx |
| mov ecx,[win_y] |
| mov [ebx+16],ecx ;ctx.d_y = win_y |
| mov [ebx+TinyGLContext.d_y],ecx |
| |
| ; currently, we only support 16 bit rendering |
| xor eax,eax |
| 116,8 → 110,8 |
|---|
| mov dword[eax+GLContext.gl_resize_viewport],gl_resize_viewport |
| |
| ; set the viewport : we force a call to gl_resize_viewport |
| dec dword[eax+GLContext.viewport+offs_vpor_xsize] |
| dec dword[eax+GLContext.viewport+offs_vpor_ysize] |
| dec dword[eax+GLContext.viewport+GLViewport.xsize] |
| dec dword[eax+GLContext.viewport+GLViewport.ysize] |
| |
| stdcall glViewport, 0, 0, [win_x], [win_y] |
| .end_f: |
| 132,15 → 126,15 |
|---|
| ; retrieve the current TinyGLContext |
| call gl_get_context |
| mov ebx,[eax+GLContext.zb] |
| mov ebx,[ebx+offs_zbuf_pbuf] |
| mov ebx,[ebx+ZBuffer.pbuf] |
| mov esi,[eax+GLContext.opaque] ;esi = &context.opaque |
| mov eax,7 |
| mov ecx,[esi+12] ;d_x |
| mov eax,SF_PUT_IMAGE |
| mov ecx,[esi+TinyGLContext.d_x] |
| shl ecx,16 |
| mov cx,[esi+16] ;d_y |
| mov edx,[esi+20] ;x |
| mov cx,word[esi+TinyGLContext.d_y] |
| mov edx,[esi+TinyGLContext.x] |
| shl edx,16 |
| mov dx,[esi+24] ;y |
| mov dx,word[esi+TinyGLContext.y] |
| int 0x40 |
| ret |
| endp |