glamor_copyarea.c 13 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
/*
 * Copyright © 2008 Intel Corporation
 * Copyright © 1998 Keith Packard
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Keith Packard not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Keith Packard makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "glamor_priv.h"

/** @file glamor_copyarea.c
 *
 * GC CopyArea implementation
 */
34
#ifndef GLAMOR_GLES2
35 36 37
static Bool
glamor_copy_n_to_n_fbo_blit(DrawablePtr src,
			    DrawablePtr dst,
Zhigang Gong's avatar
Zhigang Gong committed
38
			    GCPtr gc, BoxPtr box, int nbox, int dx, int dy)
39
{
Zhigang Gong's avatar
Zhigang Gong committed
40 41 42 43 44 45 46 47 48 49 50 51 52
	ScreenPtr screen = dst->pScreen;
	PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
	PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
	glamor_pixmap_private *src_pixmap_priv;
	glamor_screen_private *glamor_priv =
	    glamor_get_screen_private(screen);
	glamor_gl_dispatch *dispatch = &glamor_priv->dispatch;
	int dst_x_off, dst_y_off, src_x_off, src_y_off, i;

	if (!glamor_priv->has_fbo_blit) {
		glamor_delayed_fallback(screen,
					"no EXT_framebuffer_blit\n");
		return FALSE;
53
	}
Zhigang Gong's avatar
Zhigang Gong committed
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68
	src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);

	if (src_pixmap_priv->pending_op.type == GLAMOR_PENDING_FILL)
		return FALSE;

	if (gc) {
		if (gc->alu != GXcopy) {
			glamor_delayed_fallback(screen, "non-copy ALU\n");
			return FALSE;
		}
		if (!glamor_pm_is_solid(dst, gc->planemask)) {
			glamor_delayed_fallback(screen,
						"non-solid planemask\n");
			return FALSE;
		}
69 70
	}

Zhigang Gong's avatar
Zhigang Gong committed
71 72 73 74
	if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)) {
		glamor_delayed_fallback(screen, "no src fbo\n");
		return FALSE;
	}
75

Zhigang Gong's avatar
Zhigang Gong committed
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
	if (glamor_set_destination_pixmap(dst_pixmap)) {
		return FALSE;
	}
	glamor_validate_pixmap(dst_pixmap);

	dispatch->glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT,
				    src_pixmap_priv->fb);
	glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
				   &dst_y_off);
	glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
				   &src_y_off);
	src_y_off += dy;

	for (i = 0; i < nbox; i++) {
		if (glamor_priv->yInverted) {
			dispatch->glBlitFramebuffer((box[i].x1 + dx +
						     src_x_off),
						    (box[i].y1 +
						     src_y_off),
						    (box[i].x2 + dx +
						     src_x_off),
						    (box[i].y2 +
						     src_y_off),
						    (box[i].x1 +
						     dst_x_off),
						    (box[i].y1 +
						     dst_y_off),
						    (box[i].x2 +
						     dst_x_off),
						    (box[i].y2 +
						     dst_y_off),
						    GL_COLOR_BUFFER_BIT,
						    GL_NEAREST);
		} else {
			int flip_dst_y1 =
			    dst_pixmap->drawable.height - (box[i].y2 +
							   dst_y_off);
			int flip_dst_y2 =
			    dst_pixmap->drawable.height - (box[i].y1 +
							   dst_y_off);
			int flip_src_y1 =
			    src_pixmap->drawable.height - (box[i].y2 +
							   src_y_off);
			int flip_src_y2 =
			    src_pixmap->drawable.height - (box[i].y1 +
							   src_y_off);

			dispatch->glBlitFramebuffer(box[i].x1 + dx +
						    src_x_off,
						    flip_src_y1,
						    box[i].x2 + dx +
						    src_x_off,
						    flip_src_y2,
						    box[i].x1 +
						    dst_x_off,
						    flip_dst_y1,
						    box[i].x2 +
						    dst_x_off,
						    flip_dst_y2,
						    GL_COLOR_BUFFER_BIT,
						    GL_NEAREST);
		}
138
	}
Zhigang Gong's avatar
Zhigang Gong committed
139
	return TRUE;
140
}
141
#endif
142

143 144
static Bool
glamor_copy_n_to_n_textured(DrawablePtr src,
Zhigang Gong's avatar
Zhigang Gong committed
145 146
			    DrawablePtr dst,
			    GCPtr gc, BoxPtr box, int nbox, int dx, int dy)
147
{
Zhigang Gong's avatar
Zhigang Gong committed
148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
	glamor_screen_private *glamor_priv =
	    glamor_get_screen_private(dst->pScreen);
	glamor_gl_dispatch *dispatch = &glamor_priv->dispatch;
	PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
	PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
	int i;
	float vertices[8], texcoords[8];
	glamor_pixmap_private *src_pixmap_priv;
	glamor_pixmap_private *dst_pixmap_priv;
	int src_x_off, src_y_off, dst_x_off, dst_y_off;
	enum glamor_pixmap_status src_status = GLAMOR_NONE;
	GLfloat dst_xscale, dst_yscale, src_xscale, src_yscale;
	int flush_needed = 0;

	src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
	dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);

	if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dst_pixmap_priv)) {
		glamor_delayed_fallback(dst->pScreen, "dst has no fbo.\n");
		goto fail;
	}

	if (!src_pixmap_priv->gl_fbo) {
171
#ifndef GLAMOR_PIXMAP_DYNAMIC_UPLOAD
Zhigang Gong's avatar
Zhigang Gong committed
172 173
		glamor_delayed_fallback(dst->pScreen, "src has no fbo.\n");
		goto fail;
174
#else
Zhigang Gong's avatar
Zhigang Gong committed
175 176 177
		src_status = glamor_upload_pixmap_to_texture(src_pixmap);
		if (src_status != GLAMOR_UPLOAD_DONE)
			goto fail;
178
#endif
Zhigang Gong's avatar
Zhigang Gong committed
179 180 181 182 183 184 185 186 187 188 189 190 191
	} else
		flush_needed = 1;

	if (gc) {
		glamor_set_alu(dispatch, gc->alu);
		if (!glamor_set_planemask(dst_pixmap, gc->planemask))
			goto fail;
		if (gc->alu != GXcopy) {
			glamor_set_destination_pixmap_priv_nc
			    (src_pixmap_priv);
			glamor_validate_pixmap(src_pixmap);
		}
	}
192

Zhigang Gong's avatar
Zhigang Gong committed
193 194
	glamor_set_destination_pixmap_priv_nc(dst_pixmap_priv);
	glamor_validate_pixmap(dst_pixmap);
195

Zhigang Gong's avatar
Zhigang Gong committed
196 197
	pixmap_priv_get_scale(dst_pixmap_priv, &dst_xscale, &dst_yscale);
	pixmap_priv_get_scale(src_pixmap_priv, &src_xscale, &src_yscale);
198

Zhigang Gong's avatar
Zhigang Gong committed
199 200
	glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
				   &dst_y_off);
201

202

203

Zhigang Gong's avatar
Zhigang Gong committed
204 205 206 207
	dispatch->glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT,
					GL_FALSE, 2 * sizeof(float),
					vertices);
	dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
208

Zhigang Gong's avatar
Zhigang Gong committed
209 210 211 212 213 214 215
	if (GLAMOR_PIXMAP_PRIV_NO_PENDING(src_pixmap_priv)) {
		glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
					   &src_y_off);
		dx += src_x_off;
		dy += src_y_off;
		pixmap_priv_get_scale(src_pixmap_priv, &src_xscale,
				      &src_yscale);
216

Zhigang Gong's avatar
Zhigang Gong committed
217 218 219
		dispatch->glActiveTexture(GL_TEXTURE0);
		dispatch->glBindTexture(GL_TEXTURE_2D,
					src_pixmap_priv->tex);
220
#ifndef GLAMOR_GLES2
Zhigang Gong's avatar
Zhigang Gong committed
221
		dispatch->glEnable(GL_TEXTURE_2D);
222
#endif
Zhigang Gong's avatar
Zhigang Gong committed
223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272
		dispatch->glTexParameteri(GL_TEXTURE_2D,
					  GL_TEXTURE_MIN_FILTER,
					  GL_NEAREST);
		dispatch->glTexParameteri(GL_TEXTURE_2D,
					  GL_TEXTURE_MAG_FILTER,
					  GL_NEAREST);

		dispatch->glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
						GL_FLOAT, GL_FALSE,
						2 * sizeof(float),
						texcoords);
		dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
		dispatch->glUseProgram(glamor_priv->finish_access_prog[0]);
		dispatch->
		    glUniform1i(glamor_priv->finish_access_no_revert[0],
				1);
		dispatch->
		    glUniform1i(glamor_priv->finish_access_swap_rb[0], 0);

	} else {
		GLAMOR_CHECK_PENDING_FILL(dispatch, glamor_priv,
					  src_pixmap_priv);
	}

	for (i = 0; i < nbox; i++) {

		glamor_set_normalize_vcoords(dst_xscale, dst_yscale,
					     box[i].x1 + dst_x_off,
					     box[i].y1 + dst_y_off,
					     box[i].x2 + dst_x_off,
					     box[i].y2 + dst_y_off,
					     glamor_priv->yInverted,
					     vertices);

		if (GLAMOR_PIXMAP_PRIV_NO_PENDING(src_pixmap_priv))
			glamor_set_normalize_tcoords(src_xscale,
						     src_yscale,
						     box[i].x1 + dx,
						     box[i].y1 + dy,
						     box[i].x2 + dx,
						     box[i].y2 + dy,
						     glamor_priv->yInverted,
						     texcoords);

		dispatch->glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
	}

	dispatch->glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
	if (GLAMOR_PIXMAP_PRIV_NO_PENDING(src_pixmap_priv)) {
		dispatch->glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
273
#ifndef GLAMOR_GLES2
Zhigang Gong's avatar
Zhigang Gong committed
274
		dispatch->glDisable(GL_TEXTURE_2D);
275
#endif
Zhigang Gong's avatar
Zhigang Gong committed
276 277 278 279 280 281 282 283 284 285 286
	}
	dispatch->glUseProgram(0);
	/* The source texture is bound to a fbo, we have to flush it here. */
	if (flush_needed)
		dispatch->glFlush();
	return TRUE;

      fail:
	glamor_set_alu(dispatch, GXcopy);
	glamor_set_planemask(dst_pixmap, ~0);
	return FALSE;
287
}
288

289 290 291 292 293 294 295 296 297 298 299
static Bool 
_glamor_copy_n_to_n(DrawablePtr src,
		    DrawablePtr dst,
		    GCPtr gc,
		    BoxPtr box,
		    int nbox,
		    int dx,
		    int dy,
		    Bool reverse,
		    Bool upsidedown, Pixel bitplane, 
		    void *closure, Bool fallback)
300
{
Zhigang Gong's avatar
Zhigang Gong committed
301 302 303 304 305 306 307 308 309 310 311
	glamor_access_t dst_access;
	PixmapPtr dst_pixmap, src_pixmap, temp_pixmap = NULL;
	DrawablePtr temp_src = src;
	glamor_pixmap_private *dst_pixmap_priv, *src_pixmap_priv;
	BoxRec bound;
	ScreenPtr screen;
	int temp_dx = dx;
	int temp_dy = dy;
	int src_x_off, src_y_off, dst_x_off, dst_y_off;
	int i;
	int overlaped = 0;
312
	Bool ret = TRUE;
Zhigang Gong's avatar
Zhigang Gong committed
313 314 315 316 317 318 319

	dst_pixmap = glamor_get_drawable_pixmap(dst);
	dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
	src_pixmap = glamor_get_drawable_pixmap(src);
	src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
	screen = dst_pixmap->drawable.pScreen;

320 321 322
	if (!dst_pixmap_priv || !src_pixmap_priv)
		goto fail;

Zhigang Gong's avatar
Zhigang Gong committed
323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345
	if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dst_pixmap_priv)) {
		glamor_fallback("dest pixmap %p has no fbo. \n",
				dst_pixmap);
		goto fail;
	}

	glamor_get_drawable_deltas(src, src_pixmap, &src_x_off,
				   &src_y_off);
	glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off,
				   &dst_y_off);

	if (src_pixmap_priv->fb == dst_pixmap_priv->fb) {
		int x_shift = abs(src_x_off - dx - dst_x_off);
		int y_shift = abs(src_y_off - dy - dst_y_off);
		for (i = 0; i < nbox; i++) {
			if (x_shift < abs(box[i].x2 - box[i].x1)
			    && y_shift < abs(box[i].y2 - box[i].y1)) {
				overlaped = 1;
				break;
			}
		}
	}
	/* XXX need revisit to handle overlapped area copying. */
346
#ifndef GLAMOR_GLES2
Zhigang Gong's avatar
Zhigang Gong committed
347 348 349 350 351 352
	if ((overlaped
	     || !src_pixmap_priv->gl_tex || !dst_pixmap_priv->gl_tex)
	    && glamor_copy_n_to_n_fbo_blit(src, dst, gc, box, nbox, dx,
					   dy)) {
		goto done;
	}
353
#endif
Zhigang Gong's avatar
Zhigang Gong committed
354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399
	glamor_calculate_boxes_bound(&bound, box, nbox);

	/*  Overlaped indicate the src and dst are the same pixmap. */
	if (overlaped || (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)
			  && ((bound.x2 - bound.x1) * (bound.y2 - bound.y1)
			      * 4 >
			      src_pixmap->drawable.width *
			      src_pixmap->drawable.height))) {

		temp_pixmap = (*screen->CreatePixmap) (screen,
						       bound.x2 - bound.x1,
						       bound.y2 - bound.y1,
						       src_pixmap->
						       drawable.depth,
						       overlaped ? 0 :
						       GLAMOR_CREATE_PIXMAP_CPU);
		if (!temp_pixmap)
			goto fail;
		glamor_transform_boxes(box, nbox, -bound.x1, -bound.y1);
		temp_src = &temp_pixmap->drawable;

		if (overlaped)
			glamor_copy_n_to_n_textured(src, temp_src, gc, box,
						    nbox,
						    temp_dx + bound.x1,
						    temp_dy + bound.y1);
		else
			fbCopyNtoN(src, temp_src, gc, box, nbox,
				   temp_dx + bound.x1, temp_dy + bound.y1,
				   reverse, upsidedown, bitplane, closure);
		glamor_transform_boxes(box, nbox, bound.x1, bound.y1);
		temp_dx = -bound.x1;
		temp_dy = -bound.y1;
	} else {
		temp_dx = dx;
		temp_dy = dy;
		temp_src = src;
	}

	if (glamor_copy_n_to_n_textured
	    (temp_src, dst, gc, box, nbox, temp_dx, temp_dy)) {
		goto done;
	}


      fail:
400 401 402 403 404 405
	
	if (!fallback) {
		ret = FALSE;
		goto done;
	} 

Zhigang Gong's avatar
Zhigang Gong committed
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424
	glamor_report_delayed_fallbacks(src->pScreen);
	glamor_report_delayed_fallbacks(dst->pScreen);

	glamor_fallback("from %p to %p (%c,%c)\n", src, dst,
			glamor_get_drawable_location(src),
			glamor_get_drawable_location(dst));

	if (gc && gc->alu != GXcopy)
		dst_access = GLAMOR_ACCESS_RW;
	else
		dst_access = GLAMOR_ACCESS_WO;

	if (glamor_prepare_access(dst, GLAMOR_ACCESS_RW)) {
		if (dst == src
		    || glamor_prepare_access(src, GLAMOR_ACCESS_RO)) {
			fbCopyNtoN(src, dst, gc, box, nbox,
				   dx, dy, reverse, upsidedown, bitplane,
				   closure);
			if (dst != src)
425
				glamor_finish_access(src, GLAMOR_ACCESS_RO);
Zhigang Gong's avatar
Zhigang Gong committed
426
		}
427
		glamor_finish_access(dst, GLAMOR_ACCESS_RW);
Zhigang Gong's avatar
Zhigang Gong committed
428 429 430 431 432 433 434
	}

      done:
	glamor_clear_delayed_fallbacks(src->pScreen);
	glamor_clear_delayed_fallbacks(dst->pScreen);
	if (temp_src != src) {
		(*screen->DestroyPixmap) (temp_pixmap);
435
	}
436
	return ret;
437 438 439 440
}

RegionPtr
glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
Zhigang Gong's avatar
Zhigang Gong committed
441 442
		 int srcx, int srcy, int width, int height, int dstx,
		 int dsty)
443
{
Zhigang Gong's avatar
Zhigang Gong committed
444 445 446 447
	RegionPtr region;
	region = miDoCopy(src, dst, gc,
			  srcx, srcy, width, height,
			  dstx, dsty, glamor_copy_n_to_n, 0, NULL);
448

Zhigang Gong's avatar
Zhigang Gong committed
449
	return region;
450
}
451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483

void
glamor_copy_n_to_n(DrawablePtr src,
		   DrawablePtr dst,
		   GCPtr gc,
		   BoxPtr box,
		   int nbox,
		   int dx,
		   int dy,
		   Bool reverse,
		   Bool upsidedown, Pixel bitplane, 
		   void *closure)
{
	_glamor_copy_n_to_n(src, dst, gc, box, nbox, dx, 
			    dy, reverse, upsidedown, bitplane, closure, TRUE);
}

Bool
glamor_copy_n_to_n_nf(DrawablePtr src,
		   DrawablePtr dst,
		   GCPtr gc,
		   BoxPtr box,
		   int nbox,
		   int dx,
		   int dy,
		   Bool reverse,
		   Bool upsidedown, Pixel bitplane, 
		   void *closure)
{
	return _glamor_copy_n_to_n(src, dst, gc, box, nbox, dx, 
				    dy, reverse, upsidedown, bitplane, closure, FALSE);
}