matrox/engine/mga_bes.c

20 static void gx00_bes_calc_move_overlay(move_overlay_info *moi);
21 static void gx00_bes_program_move_overlay(move_overlay_info moi);
29 	move_overlay_info moi;
34 	gx00_bes_calc_move_overlay(&moi);
35 	gx00_bes_program_move_overlay(moi);
38 static void gx00_bes_calc_move_overlay(move_overlay_info *moi)
65 	moi->hcoordv = 0;
86 	moi->hcoordv |= temp1 << 16;
115 	moi->hcoordv |= temp2 << 0;
119 	moi->vcoordv = 0;
140 	moi->vcoordv |= temp1 << 16;
169 	moi->vcoordv |= temp2 << 0;
185 	moi->hsrcstv = 0;
194 			moi->hsrcstv += (si->overlay.ow.width - 2);
199 			moi->hsrcstv += (crtc_hstart - si->overlay.ow.h_start);
205 		moi->hsrcstv *= si->overlay.h_ifactor;
208 	moi->hsrcstv += ((uint32)si->overlay.my_ov.h_start) << 16;
210 	moi->hsrcstv &= 0x07fffffc;
211 	LOG(4,("Overlay: first hor. (sub)pixel of input bitmap contributing %f\n", moi->hsrcstv / (float)65536));
220 	moi->hsrcendv = 0;
229 			moi->hsrcendv += (si->overlay.ow.width - 2);
234 			moi->hsrcendv += ((si->overlay.ow.h_start + si->overlay.ow.width - 1) - (crtc_hend - 1));
240 		moi->hsrcendv *= si->overlay.h_ifactor;
242 		moi->hsrcendv = (((uint32)((si->overlay.my_ov.h_start + si->overlay.my_ov.width) - 1)) << 16) - moi->hsrcendv;
247 		moi->hsrcendv = (((uint32)((si->overlay.my_ov.h_start + si->overlay.my_ov.width) - 1)) << 16);
250 	moi->hsrcendv &= 0x07fffffc;
251 	LOG(4,("Overlay: last horizontal (sub)pixel of input bitmap contributing %f\n", moi->hsrcendv / (float)65536));
271 	moi->v1srcstv = 0;
273 	moi->a1orgv = (uintptr_t)((vuint32 *)si->overlay.ob.buffer);
274 	moi->a1orgv -= (uintptr_t)((vuint32 *)si->framebuffer);
275 	LOG(4, ("Overlay: topleft corner of input bitmap (cardRAM offset) $%08x\n", moi->a1orgv));
286 			moi->v1srcstv = (si->overlay.ow.height - 2) * si->overlay.v_ifactor;
287 			moi->a1orgv += ((moi->v1srcstv >> 16) * si->overlay.ob.bytes_per_row);
292 			moi->v1srcstv = (crtc_vstart - si->overlay.ow.v_start) * si->overlay.v_ifactor;
293 			moi->a1orgv += ((moi->v1srcstv >> 16) * si->overlay.ob.bytes_per_row);
298 	moi->v1srcstv += (((uint32)si->overlay.my_ov.v_start) << 16);
299 	moi->a1orgv += (si->overlay.my_ov.v_start * si->overlay.ob.bytes_per_row);
300 	LOG(4,("Overlay: 'contributing part of buffer' origin is (cardRAM offset) $%08x\n", moi->a1orgv));
301 	LOG(4,("Overlay: first vert. (sub)pixel of input bitmap contributing %f\n", moi->v1srcstv / (float)65536));
315 	moi->a1orgv &= 0x01fffff0;
318 	moi->v1srcstv &= 0x0000fffc;
321 static void gx00_bes_program_move_overlay(move_overlay_info moi)
343 	BESW(HCOORD, moi.hcoordv);
344 	BESW(VCOORD, moi.vcoordv);
345 	BESW(HSRCST, moi.hsrcstv);
346 	BESW(HSRCEND, moi.hsrcendv);
347 	BESW(A1ORG, moi.a1orgv);
348 	BESW(V1WGHT, moi.v1srcstv);
374 	move_overlay_info moi;
571 	gx00_bes_calc_move_overlay(&moi);
722 	BESW(HCOORD, moi.hcoordv);
723 	BESW(VCOORD, moi.vcoordv);
725 	BESW(HSRCST, moi.hsrcstv);
726 	BESW(HSRCEND, moi.hsrcendv);
729 	BESW(A1ORG, moi.a1orgv);
730 	BESW(V1WGHT, moi.v1srcstv);