glamor_render.c 61.7 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
/*
 * Copyright © 2009 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
25 26
 *    Zhigang Gong <zhigang.gong@linux.intel.com>
 *    Junyan He <junyan.he@linux.intel.com>
27 28 29 30 31 32 33 34 35 36 37 38
 *
 */

/** @file glamor_render.c
 *
 * Render acceleration implementation
 */

#include "glamor_priv.h"

#ifdef RENDER
#include "mipict.h"
39
#include "fbpict.h"
40 41 42 43 44 45
#if 0
//#define DEBUGF(str, ...)  do {} while(0)
#define DEBUGF(str, ...) ErrorF(str, ##__VA_ARGS__)
//#define DEBUGRegionPrint(x) do {} while (0)
#define DEBUGRegionPrint RegionPrint
#endif
Zhigang Gong's avatar
Zhigang Gong committed
46

47
static struct blendinfo composite_op_info[] = {
Zhigang Gong's avatar
Zhigang Gong committed
48 49 50 51 52 53 54 55 56 57 58 59 60 61
	[PictOpClear] = {0, 0, GL_ZERO, GL_ZERO},
	[PictOpSrc] = {0, 0, GL_ONE, GL_ZERO},
	[PictOpDst] = {0, 0, GL_ZERO, GL_ONE},
	[PictOpOver] = {0, 1, GL_ONE, GL_ONE_MINUS_SRC_ALPHA},
	[PictOpOverReverse] = {1, 0, GL_ONE_MINUS_DST_ALPHA, GL_ONE},
	[PictOpIn] = {1, 0, GL_DST_ALPHA, GL_ZERO},
	[PictOpInReverse] = {0, 1, GL_ZERO, GL_SRC_ALPHA},
	[PictOpOut] = {1, 0, GL_ONE_MINUS_DST_ALPHA, GL_ZERO},
	[PictOpOutReverse] = {0, 1, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA},
	[PictOpAtop] = {1, 1, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
	[PictOpAtopReverse] = {1, 1, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA},
	[PictOpXor] =
	    {1, 1, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA},
	[PictOpAdd] = {0, 0, GL_ONE, GL_ONE},
62
};
63
#define RepeatFix			10
64
static GLuint
Zhigang Gong's avatar
Zhigang Gong committed
65 66
glamor_create_composite_fs(glamor_gl_dispatch * dispatch,
			   struct shader_key *key)
67
{
68 69 70 71 72
	const char *repeat_define =
	    "#define RepeatNone               	      0\n"
	    "#define RepeatNormal                     1\n"
	    "#define RepeatPad                        2\n"
	    "#define RepeatReflect                    3\n"
73
	    "#define RepeatFix		      	      10\n"
74 75
	    "uniform int 			source_repeat_mode;\n"
	    "uniform int 			mask_repeat_mode;\n";
76 77
	const char *relocate_texture =
	    GLAMOR_DEFAULT_PRECISION
78
	    "vec2 rel_tex_coord(vec2 texture, vec4 wh, int repeat) \n"
79 80
	    "{\n"
	    "   vec2 rel_tex; \n"
81
	    "   rel_tex = texture * wh.xy; \n"
82 83 84
	    "	if (repeat == RepeatNone)\n"
	    "		return rel_tex; \n"
	    "   else if (repeat == RepeatNormal) \n"
85
	    "   	rel_tex = floor(rel_tex) + (fract(rel_tex) / wh.xy); 	\n"
86
	    "   else if(repeat == RepeatPad) { \n"
87 88 89
	    "           if (rel_tex.x >= 1.0) rel_tex.x = 1.0 - wh.z * wh.x / 2.;  	\n"
	    "		else if(rel_tex.x < 0.0) rel_tex.x = 0.0;	  	\n"
	    "           if (rel_tex.y >= 1.0) rel_tex.y = 1.0 - wh.w * wh.y / 2.;	\n"
90
	    "		else if(rel_tex.y < 0.0) rel_tex.y = 0.0;	\n"
91
	    "   	rel_tex = rel_tex / wh.xy; \n"
92 93 94 95 96 97 98 99 100 101 102
	    "    } \n"
	    "   else if(repeat == RepeatReflect) {\n"
	    "		if ((1.0 - mod(abs(floor(rel_tex.x)), 2.0)) < 0.001)\n"
	    "			rel_tex.x = 2.0 - (1.0 - fract(rel_tex.x))/wh.x;\n"
	    "		else \n"
	    "			rel_tex.x = fract(rel_tex.x)/wh.x;\n"
	    "		if ((1.0 - mod(abs(floor(rel_tex.y)), 2.0)) < 0.001)\n"
	    "			rel_tex.y = 2.0 - (1.0 - fract(rel_tex.y))/wh.y;\n"
	    "		else \n"
	    "			rel_tex.y = fract(rel_tex.y)/wh.y;\n"
	    "    } \n"
103 104
            "   return rel_tex; \n"
	    "}\n";
105 106 107
	/* The texture and the pixmap size is not match eaxctly, so can't sample it directly.
	 * rel_sampler will recalculate the texture coords.*/
	const char *rel_sampler =
108
	    " vec4 rel_sampler(sampler2D tex_image, vec2 tex, vec4 wh, int repeat, int set_alpha)\n"
109 110 111
	    "{\n"
	    "	tex = rel_tex_coord(tex, wh, repeat - RepeatFix);\n"
	    "   if (repeat == RepeatFix) {\n"
112 113
	    "		if (!(tex.x >= 0.0 && tex.x < 1.0 \n"
	    "		    && tex.y >= 0.0 && tex.y < 1.0))\n"
114
	    "			return vec4(0.0, 0.0, 0.0, set_alpha);\n"
115
	    "		tex = (fract(tex) / wh.xy);\n"
116 117 118 119 120 121 122
	    "	}\n"
	    "	if (set_alpha != 1)\n"
	    "		return texture2D(tex_image, tex);\n"
	    "	else\n"
	    "		return vec4(texture2D(tex_image, tex).rgb, 1.0);\n"
	    "}\n";

Zhigang Gong's avatar
Zhigang Gong committed
123 124 125 126 127 128 129 130
	const char *source_solid_fetch =
	    GLAMOR_DEFAULT_PRECISION
	    "uniform vec4 source;\n"
	    "vec4 get_source()\n" "{\n" "	return source;\n" "}\n";
	const char *source_alpha_pixmap_fetch =
	    GLAMOR_DEFAULT_PRECISION
	    "varying vec2 source_texture;\n"
	    "uniform sampler2D source_sampler;\n"
131
	    "uniform vec4 source_wh;"
Zhigang Gong's avatar
Zhigang Gong committed
132
	    "vec4 get_source()\n"
133
	    "{\n"
134
	    "   if (source_repeat_mode < RepeatFix)\n"
135
	    "		return texture2D(source_sampler, source_texture);\n"
136 137 138
	    "   else \n"
	    "		return rel_sampler(source_sampler, source_texture,\n"
	    "				   source_wh, source_repeat_mode, 0);\n"
Zhigang Gong's avatar
Zhigang Gong committed
139 140 141
	    "}\n";
	const char *source_pixmap_fetch =
	    GLAMOR_DEFAULT_PRECISION "varying vec2 source_texture;\n"
142
	    "uniform sampler2D source_sampler;\n"
143
	    "uniform vec4 source_wh;\n"
144
	    "vec4 get_source()\n"
Zhigang Gong's avatar
Zhigang Gong committed
145
	    "{\n"
146
	    "   if (source_repeat_mode < RepeatFix) \n"
147 148
	    "		return vec4(texture2D(source_sampler, source_texture).rgb, 1);\n"
	    "	else \n"
149 150
	    "		return rel_sampler(source_sampler, source_texture,\n"
	    "				   source_wh, source_repeat_mode, 1);\n"
Zhigang Gong's avatar
Zhigang Gong committed
151 152 153 154 155 156
	    "}\n";
	const char *mask_solid_fetch =
	    GLAMOR_DEFAULT_PRECISION "uniform vec4 mask;\n"
	    "vec4 get_mask()\n" "{\n" "	return mask;\n" "}\n";
	const char *mask_alpha_pixmap_fetch =
	    GLAMOR_DEFAULT_PRECISION "varying vec2 mask_texture;\n"
157
	    "uniform sampler2D mask_sampler;\n"
158
	    "uniform vec4 mask_wh;\n"
159 160
	    "vec4 get_mask()\n"
	    "{\n"
161
	    "   if (mask_repeat_mode < RepeatFix) \n"
162 163
	    "		return texture2D(mask_sampler, mask_texture);\n"
	    "   else \n"
164 165
	    "		return rel_sampler(mask_sampler, mask_texture,\n"
	    "				   mask_wh, mask_repeat_mode, 0);\n"
166
	    "}\n";
Zhigang Gong's avatar
Zhigang Gong committed
167 168
	const char *mask_pixmap_fetch =
	    GLAMOR_DEFAULT_PRECISION "varying vec2 mask_texture;\n"
169
	    "uniform sampler2D mask_sampler;\n"
170
	    "uniform vec4 mask_wh;\n"
171 172
	    "vec4 get_mask()\n"
	    "{\n"
173
	    "   if (mask_repeat_mode < RepeatFix) \n"
174 175
	    "   	return vec4(texture2D(mask_sampler, mask_texture).rgb, 1);\n"
	    "   else \n"
176 177
	    "		return rel_sampler(mask_sampler, mask_texture,\n"
	    "				   mask_wh, mask_repeat_mode, 1);\n"
Zhigang Gong's avatar
Zhigang Gong committed
178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243
	    "}\n";
	const char *in_source_only =
	    GLAMOR_DEFAULT_PRECISION "void main()\n" "{\n"
	    "	gl_FragColor = get_source();\n" "}\n";
	const char *in_normal =
	    GLAMOR_DEFAULT_PRECISION "void main()\n" "{\n"
	    "	gl_FragColor = get_source() * get_mask().a;\n" "}\n";
	const char *in_ca_source =
	    GLAMOR_DEFAULT_PRECISION "void main()\n" "{\n"
	    "	gl_FragColor = get_source() * get_mask();\n" "}\n";
	const char *in_ca_alpha =
	    GLAMOR_DEFAULT_PRECISION "void main()\n" "{\n"
	    "	gl_FragColor = get_source().a * get_mask();\n" "}\n";
	char *source;
	const char *source_fetch;
	const char *mask_fetch = "";
	const char *in;
	GLuint prog;

	switch (key->source) {
	case SHADER_SOURCE_SOLID:
		source_fetch = source_solid_fetch;
		break;
	case SHADER_SOURCE_TEXTURE_ALPHA:
		source_fetch = source_alpha_pixmap_fetch;
		break;
	case SHADER_SOURCE_TEXTURE:
		source_fetch = source_pixmap_fetch;
		break;
	default:
		FatalError("Bad composite shader source");
	}

	switch (key->mask) {
	case SHADER_MASK_NONE:
		break;
	case SHADER_MASK_SOLID:
		mask_fetch = mask_solid_fetch;
		break;
	case SHADER_MASK_TEXTURE_ALPHA:
		mask_fetch = mask_alpha_pixmap_fetch;
		break;
	case SHADER_MASK_TEXTURE:
		mask_fetch = mask_pixmap_fetch;
		break;
	default:
		FatalError("Bad composite shader mask");
	}

	switch (key->in) {
	case SHADER_IN_SOURCE_ONLY:
		in = in_source_only;
		break;
	case SHADER_IN_NORMAL:
		in = in_normal;
		break;
	case SHADER_IN_CA_SOURCE:
		in = in_ca_source;
		break;
	case SHADER_IN_CA_ALPHA:
		in = in_ca_alpha;
		break;
	default:
		FatalError("Bad composite IN type");
	}

244
	XNFasprintf(&source, "%s%s%s%s%s%s", repeat_define, relocate_texture, rel_sampler,source_fetch, mask_fetch, in);
Zhigang Gong's avatar
Zhigang Gong committed
245 246 247 248 249 250 251


	prog = glamor_compile_glsl_prog(dispatch, GL_FRAGMENT_SHADER,
					source);
	free(source);

	return prog;
252 253 254
}

static GLuint
Zhigang Gong's avatar
Zhigang Gong committed
255 256
glamor_create_composite_vs(glamor_gl_dispatch * dispatch,
			   struct shader_key *key)
257
{
Zhigang Gong's avatar
Zhigang Gong committed
258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290
	const char *main_opening =
	    "attribute vec4 v_position;\n"
	    "attribute vec4 v_texcoord0;\n"
	    "attribute vec4 v_texcoord1;\n"
	    "varying vec2 source_texture;\n"
	    "varying vec2 mask_texture;\n"
	    "void main()\n" "{\n" "	gl_Position = v_position;\n";
	const char *source_coords =
	    "	source_texture = v_texcoord0.xy;\n";
	const char *mask_coords = "	mask_texture = v_texcoord1.xy;\n";
	const char *main_closing = "}\n";
	const char *source_coords_setup = "";
	const char *mask_coords_setup = "";
	char *source;
	GLuint prog;

	if (key->source != SHADER_SOURCE_SOLID)
		source_coords_setup = source_coords;

	if (key->mask != SHADER_MASK_NONE
	    && key->mask != SHADER_MASK_SOLID)
		mask_coords_setup = mask_coords;

	XNFasprintf(&source,
		    "%s%s%s%s",
		    main_opening,
		    source_coords_setup, mask_coords_setup, main_closing);

	prog =
	    glamor_compile_glsl_prog(dispatch, GL_VERTEX_SHADER, source);
	free(source);

	return prog;
291 292 293
}

static void
294
glamor_create_composite_shader(ScreenPtr screen, struct shader_key *key,
Zhigang Gong's avatar
Zhigang Gong committed
295
			       glamor_composite_shader * shader)
296
{
Zhigang Gong's avatar
Zhigang Gong committed
297 298 299
	GLuint vs, fs, prog;
	GLint source_sampler_uniform_location,
	    mask_sampler_uniform_location;
Chris Wilson's avatar
Chris Wilson committed
300 301
	glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
	glamor_gl_dispatch *dispatch;
Zhigang Gong's avatar
Zhigang Gong committed
302

Chris Wilson's avatar
Chris Wilson committed
303
	dispatch = glamor_get_dispatch(glamor_priv);
Zhigang Gong's avatar
Zhigang Gong committed
304 305
	vs = glamor_create_composite_vs(dispatch, key);
	if (vs == 0)
Chris Wilson's avatar
Chris Wilson committed
306
		goto out;
Zhigang Gong's avatar
Zhigang Gong committed
307 308
	fs = glamor_create_composite_fs(dispatch, key);
	if (fs == 0)
Chris Wilson's avatar
Chris Wilson committed
309
		goto out;
Zhigang Gong's avatar
Zhigang Gong committed
310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334

	prog = dispatch->glCreateProgram();
	dispatch->glAttachShader(prog, vs);
	dispatch->glAttachShader(prog, fs);

	dispatch->glBindAttribLocation(prog, GLAMOR_VERTEX_POS,
				       "v_position");
	dispatch->glBindAttribLocation(prog, GLAMOR_VERTEX_SOURCE,
				       "v_texcoord0");
	dispatch->glBindAttribLocation(prog, GLAMOR_VERTEX_MASK,
				       "v_texcoord1");

	glamor_link_glsl_prog(dispatch, prog);

	shader->prog = prog;

	dispatch->glUseProgram(prog);

	if (key->source == SHADER_SOURCE_SOLID) {
		shader->source_uniform_location =
		    dispatch->glGetUniformLocation(prog, "source");
	} else {
		source_sampler_uniform_location =
		    dispatch->glGetUniformLocation(prog, "source_sampler");
		dispatch->glUniform1i(source_sampler_uniform_location, 0);
335
		shader->source_wh = dispatch->glGetUniformLocation(prog, "source_wh");
336
		shader->source_repeat_mode = dispatch->glGetUniformLocation(prog, "source_repeat_mode");
Zhigang Gong's avatar
Zhigang Gong committed
337 338 339 340 341 342 343 344 345 346 347 348
	}

	if (key->mask != SHADER_MASK_NONE) {
		if (key->mask == SHADER_MASK_SOLID) {
			shader->mask_uniform_location =
			    dispatch->glGetUniformLocation(prog, "mask");
		} else {
			mask_sampler_uniform_location =
			    dispatch->glGetUniformLocation(prog,
							   "mask_sampler");
			dispatch->glUniform1i
			    (mask_sampler_uniform_location, 1);
349
			shader->mask_wh = dispatch->glGetUniformLocation(prog, "mask_wh");
350
			shader->mask_repeat_mode = dispatch->glGetUniformLocation(prog, "mask_repeat_mode");
Zhigang Gong's avatar
Zhigang Gong committed
351 352
		}
	}
Chris Wilson's avatar
Chris Wilson committed
353 354 355

out:
	glamor_put_dispatch(glamor_priv);
356 357
}

358
static glamor_composite_shader *
Zhigang Gong's avatar
Zhigang Gong committed
359 360 361
glamor_lookup_composite_shader(ScreenPtr screen, struct
			       shader_key
			       *key)
362
{
Zhigang Gong's avatar
Zhigang Gong committed
363 364 365
	glamor_screen_private *glamor_priv =
	    glamor_get_screen_private(screen);
	glamor_composite_shader *shader;
366

Zhigang Gong's avatar
Zhigang Gong committed
367 368 369 370 371
	shader =
	    &glamor_priv->composite_shader[key->source][key->
							mask][key->in];
	if (shader->prog == 0)
		glamor_create_composite_shader(screen, key, shader);
372

Zhigang Gong's avatar
Zhigang Gong committed
373
	return shader;
374
}
Zhigang Gong's avatar
Zhigang Gong committed
375

376 377 378 379 380 381 382 383 384 385 386 387 388 389 390
static void
glamor_init_eb(unsigned short *eb, int vert_cnt)
{
	int i, j;
	for(i = 0, j = 0; j < vert_cnt; i += 6, j += 4)
	{
		eb[i] = j;
		eb[i + 1] = j + 1;
		eb[i + 2] = j + 2;
		eb[i + 3] = j;
		eb[i + 4] = j + 2;
		eb[i + 5] = j + 3;
	}
}

391 392 393
void
glamor_init_composite_shaders(ScreenPtr screen)
{
394 395
	glamor_screen_private *glamor_priv;
	glamor_gl_dispatch *dispatch;
396
	unsigned short *eb;
397
	float *vb = NULL;
398
	int eb_size;
399

400
	glamor_priv = glamor_get_screen_private(screen);
Chris Wilson's avatar
Chris Wilson committed
401
	dispatch = glamor_get_dispatch(glamor_priv);
402 403 404
	dispatch->glGenBuffers(1, &glamor_priv->vbo);
	dispatch->glGenBuffers(1, &glamor_priv->ebo);
	dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, glamor_priv->ebo);
405

406 407 408 409 410 411 412 413 414 415
	eb_size = GLAMOR_COMPOSITE_VBO_VERT_CNT * sizeof(short) * 2;

	if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
		dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER,
				       eb_size,
				       NULL, GL_DYNAMIC_DRAW);
		eb = dispatch->glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY);
	}
	else {
		vb = malloc(GLAMOR_COMPOSITE_VBO_VERT_CNT * sizeof(float) * 2);
Chris Wilson's avatar
Chris Wilson committed
416 417
		if (vb == NULL)
			FatalError("Failed to allocate vb memory.\n");
418 419
		eb = malloc(eb_size);
	}
420

Chris Wilson's avatar
Chris Wilson committed
421
	if (eb == NULL)
422
		FatalError("fatal error, fail to get element buffer. GL context may be not created correctly.\n");
423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442
	glamor_init_eb(eb, GLAMOR_COMPOSITE_VBO_VERT_CNT);

	if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
		dispatch->glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER);
		dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
	} else {
		dispatch->glBufferData(GL_ELEMENT_ARRAY_BUFFER,
				       eb_size,
				       eb, GL_DYNAMIC_DRAW);
		dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);

		dispatch->glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
		dispatch->glBufferData(GL_ARRAY_BUFFER,
				       GLAMOR_COMPOSITE_VBO_VERT_CNT * sizeof(float) * 2,
				       NULL, GL_DYNAMIC_DRAW);
		dispatch->glBindBuffer(GL_ARRAY_BUFFER, 0);

		free(eb);
		glamor_priv->vb = (char*)vb;
	}
Chris Wilson's avatar
Chris Wilson committed
443 444

	glamor_put_dispatch(glamor_priv);
445
}
446 447 448 449 450 451 452 453 454 455

void
glamor_fini_composite_shaders(ScreenPtr screen)
{
	glamor_screen_private *glamor_priv;
	glamor_gl_dispatch *dispatch;
	glamor_composite_shader *shader;
	int i,j,k;

	glamor_priv = glamor_get_screen_private(screen);
Chris Wilson's avatar
Chris Wilson committed
456
	dispatch = glamor_get_dispatch(glamor_priv);
457 458 459 460 461 462 463 464 465 466 467
	dispatch->glDeleteBuffers(1, &glamor_priv->vbo);
	dispatch->glDeleteBuffers(1, &glamor_priv->ebo);

	for(i = 0; i < SHADER_SOURCE_COUNT; i++)
		for(j = 0; j < SHADER_MASK_COUNT; j++)
			for(k = 0; k < SHADER_IN_COUNT; k++)
			{
				shader = &glamor_priv->composite_shader[i][j][k];
				if (shader->prog)
					dispatch->glDeleteProgram(shader->prog);
			}
468 469 470
	if (glamor_priv->gl_flavor != GLAMOR_GL_DESKTOP
	    && glamor_priv->vb)
		free(glamor_priv->vb);
471

Chris Wilson's avatar
Chris Wilson committed
472 473
	glamor_put_dispatch(glamor_priv);
}
474

475 476
static Bool
glamor_set_composite_op(ScreenPtr screen,
477 478
			CARD8 op, struct blendinfo *op_info_result,
			PicturePtr dest, PicturePtr mask)
479
{
Zhigang Gong's avatar
Zhigang Gong committed
480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511
	GLenum source_blend, dest_blend;
	struct blendinfo *op_info;

	if (op >= ARRAY_SIZE(composite_op_info)) {
		glamor_fallback("unsupported render op %d \n", op);
		return GL_FALSE;
	}
	op_info = &composite_op_info[op];

	source_blend = op_info->source_blend;
	dest_blend = op_info->dest_blend;

	/* If there's no dst alpha channel, adjust the blend op so that we'll treat
	 * it as always 1.
	 */
	if (PICT_FORMAT_A(dest->format) == 0 && op_info->dest_alpha) {
		if (source_blend == GL_DST_ALPHA)
			source_blend = GL_ONE;
		else if (source_blend == GL_ONE_MINUS_DST_ALPHA)
			source_blend = GL_ZERO;
	}

	/* Set up the source alpha value for blending in component alpha mode. */
	if (mask && mask->componentAlpha
	    && PICT_FORMAT_RGB(mask->format) != 0 && op_info->source_alpha)
	{
		if (dest_blend == GL_SRC_ALPHA)
			dest_blend = GL_SRC_COLOR;
		else if (dest_blend == GL_ONE_MINUS_SRC_ALPHA)
			dest_blend = GL_ONE_MINUS_SRC_COLOR;
	}

512 513 514 515 516
	op_info_result->source_blend = source_blend;
	op_info_result->dest_blend = dest_blend;
	op_info_result->source_alpha = op_info->source_alpha;
	op_info_result->dest_alpha = op_info->dest_alpha;

Zhigang Gong's avatar
Zhigang Gong committed
517
	return TRUE;
518 519 520
}

static void
521
glamor_set_composite_texture(glamor_screen_private *glamor_priv, int unit,
Zhigang Gong's avatar
Zhigang Gong committed
522
			     PicturePtr picture,
523
			     glamor_pixmap_private * pixmap_priv,
524
			     GLuint wh_location, GLuint repeat_location)
525
{
Chris Wilson's avatar
Chris Wilson committed
526
	glamor_gl_dispatch *dispatch;
527
	float wh[4];
528
	int repeat_type;
Chris Wilson's avatar
Chris Wilson committed
529 530

	dispatch = glamor_get_dispatch(glamor_priv);
Zhigang Gong's avatar
Zhigang Gong committed
531
	dispatch->glActiveTexture(GL_TEXTURE0 + unit);
532
	dispatch->glBindTexture(GL_TEXTURE_2D, pixmap_priv->base.fbo->tex);
533
	repeat_type = picture->repeatType;
Zhigang Gong's avatar
Zhigang Gong committed
534 535
	switch (picture->repeatType) {
	case RepeatNone:
536
#ifndef GLAMOR_GLES2
Zhigang Gong's avatar
Zhigang Gong committed
537 538 539 540 541
		/* XXX  GLES2 doesn't support GL_CLAMP_TO_BORDER. */
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
					  GL_CLAMP_TO_BORDER);
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
					  GL_CLAMP_TO_BORDER);
542 543 544 545 546
#else
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
					  GL_CLAMP_TO_EDGE);
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
					  GL_CLAMP_TO_EDGE);
547
#endif
Zhigang Gong's avatar
Zhigang Gong committed
548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
		break;
	case RepeatNormal:
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
					  GL_REPEAT);
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
					  GL_REPEAT);
		break;
	case RepeatPad:
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
					  GL_CLAMP_TO_EDGE);
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
					  GL_CLAMP_TO_EDGE);
		break;
	case RepeatReflect:
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
					  GL_MIRRORED_REPEAT);
		dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
					  GL_MIRRORED_REPEAT);
		break;
	}

	switch (picture->filter) {
570
	default:
Zhigang Gong's avatar
Zhigang Gong committed
571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587
	case PictFilterNearest:
		dispatch->glTexParameteri(GL_TEXTURE_2D,
					  GL_TEXTURE_MIN_FILTER,
					  GL_NEAREST);
		dispatch->glTexParameteri(GL_TEXTURE_2D,
					  GL_TEXTURE_MAG_FILTER,
					  GL_NEAREST);
		break;
	case PictFilterBilinear:
		dispatch->glTexParameteri(GL_TEXTURE_2D,
					  GL_TEXTURE_MIN_FILTER,
					  GL_LINEAR);
		dispatch->glTexParameteri(GL_TEXTURE_2D,
					  GL_TEXTURE_MAG_FILTER,
					  GL_LINEAR);
		break;
	}
588
#ifndef GLAMOR_GLES2
Zhigang Gong's avatar
Zhigang Gong committed
589
	dispatch->glEnable(GL_TEXTURE_2D);
590
#endif
591 592 593 594

	/*
	 *  GLES2 doesn't support RepeatNone. We need to fix it anyway.
	 *
595
	 **/
596 597 598 599 600 601
	if (repeat_type != RepeatNone)
		repeat_type += RepeatFix;
	else if (glamor_priv->gl_flavor == GLAMOR_GL_ES2
		 || pixmap_priv->type == GLAMOR_TEXTURE_LARGE) {
		if (picture->transform
		   || (GLAMOR_PIXMAP_FBO_NOT_EAXCT_SIZE(pixmap_priv)))
602
			repeat_type += RepeatFix;
603 604 605
	}
	if (repeat_type >= RepeatFix) {
		glamor_pixmap_fbo_fix_wh_ratio(wh, pixmap_priv);
606 607 608
		if ((wh[0] != 1.0 || wh[1] != 1.0 )
		     || (glamor_priv->gl_flavor == GLAMOR_GL_ES2
			  && repeat_type == RepeatFix))
609 610 611
			dispatch->glUniform4fv(wh_location, 1, wh);
		else
			repeat_type -= RepeatFix;
612
	}
613
	dispatch->glUniform1i(repeat_location, repeat_type);
Chris Wilson's avatar
Chris Wilson committed
614
	glamor_put_dispatch(glamor_priv);
615 616 617
}

static void
Zhigang Gong's avatar
Zhigang Gong committed
618 619
glamor_set_composite_solid(glamor_gl_dispatch * dispatch, float *color,
			   GLint uniform_location)
620
{
Zhigang Gong's avatar
Zhigang Gong committed
621
	dispatch->glUniform4fv(uniform_location, 1, color);
622 623
}

624
static int
Zhigang Gong's avatar
Zhigang Gong committed
625
compatible_formats(CARD8 op, PicturePtr dst, PicturePtr src)
626
{
Zhigang Gong's avatar
Zhigang Gong committed
627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650
	if (op == PictOpSrc) {
		if (src->format == dst->format)
			return 1;

		if (src->format == PICT_a8r8g8b8
		    && dst->format == PICT_x8r8g8b8)
			return 1;

		if (src->format == PICT_a8b8g8r8
		    && dst->format == PICT_x8b8g8r8)
			return 1;
	} else if (op == PictOpOver) {
		if (src->alphaMap || dst->alphaMap)
			return 0;

		if (src->format != dst->format)
			return 0;

		if (src->format == PICT_x8r8g8b8
		    || src->format == PICT_x8b8g8r8)
			return 1;
	}

	return 0;
651 652
}

653 654 655
static char
glamor_get_picture_location(PicturePtr picture)
{
Zhigang Gong's avatar
Zhigang Gong committed
656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671
	if (picture == NULL)
		return ' ';

	if (picture->pDrawable == NULL) {
		switch (picture->pSourcePict->type) {
		case SourcePictTypeSolidFill:
			return 'c';
		case SourcePictTypeLinear:
			return 'l';
		case SourcePictTypeRadial:
			return 'r';
		default:
			return '?';
		}
	}
	return glamor_get_drawable_location(picture->pDrawable);
672 673
}

674
static Bool
675 676 677 678 679 680
glamor_composite_with_copy(CARD8 op,
			   PicturePtr source,
			   PicturePtr dest,
			   INT16 x_source,
			   INT16 y_source,
			   INT16 x_dest,
681 682
			   INT16 y_dest,
			   RegionPtr region)
683
{
684
	int ret = FALSE;
Zhigang Gong's avatar
Zhigang Gong committed
685 686 687 688 689 690
	if (!source->pDrawable)
		return FALSE;

	if (!compatible_formats(op, dest, source))
		return FALSE;

691
	if (source->repeat || source->transform) {
Zhigang Gong's avatar
Zhigang Gong committed
692
		return FALSE;
693
	}
Zhigang Gong's avatar
Zhigang Gong committed
694 695 696 697 698

	x_dest += dest->pDrawable->x;
	y_dest += dest->pDrawable->y;
	x_source += source->pDrawable->x;
	y_source += source->pDrawable->y;
699 700 701 702
	if (PICT_FORMAT_A(source->format) == 0) {
		/* Fallback if we sample outside the source so that we
		 * swizzle the correct clear color for out-of-bounds texels.
		 */
703
		if (region->extents.x1 + x_source - x_dest < 0)
704
			goto cleanup_region;
705
		if (region->extents.x2 + x_source - x_dest > source->pDrawable->width)
706 707
			goto cleanup_region;

708
		if (region->extents.y1 + y_source - y_dest < 0)
709
			goto cleanup_region;
710
		if (region->extents.y2 + y_source - y_dest > source->pDrawable->height)
711 712
			goto cleanup_region;
	}
713 714
	ret = glamor_copy_n_to_n_nf(source->pDrawable,
				    dest->pDrawable, NULL,
715
				    RegionRects(region), RegionNumRects(region),
716 717 718
				    x_source - x_dest, y_source - y_dest,
				    FALSE, FALSE, 0, NULL);
cleanup_region:
719
	return ret;
720 721
}

722
void
723
glamor_setup_composite_vbo(ScreenPtr screen, int n_verts)
724
{
Zhigang Gong's avatar
Zhigang Gong committed
725 726
	glamor_screen_private *glamor_priv =
	    glamor_get_screen_private(screen);
Chris Wilson's avatar
Chris Wilson committed
727
	glamor_gl_dispatch *dispatch;
728
	int vert_size;
Zhigang Gong's avatar
Zhigang Gong committed
729

730
	glamor_priv->render_nr_verts = 0;
Zhigang Gong's avatar
Zhigang Gong committed
731 732 733 734 735 736
	glamor_priv->vb_stride = 2 * sizeof(float);
	if (glamor_priv->has_source_coords)
		glamor_priv->vb_stride += 2 * sizeof(float);
	if (glamor_priv->has_mask_coords)
		glamor_priv->vb_stride += 2 * sizeof(float);

Michel Dänzer's avatar
Michel Dänzer committed
737 738
	vert_size = n_verts * glamor_priv->vb_stride;

Chris Wilson's avatar
Chris Wilson committed
739
	dispatch = glamor_get_dispatch(glamor_priv);
Zhigang Gong's avatar
Zhigang Gong committed
740
	dispatch->glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
741
	if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
Michel Dänzer's avatar
Michel Dänzer committed
742 743 744 745
		if (glamor_priv->vbo_size < (glamor_priv->vbo_offset + vert_size)) {
			glamor_priv->vbo_size = GLAMOR_COMPOSITE_VBO_VERT_CNT *
				glamor_priv->vb_stride;
			glamor_priv->vbo_offset = 0;
746
			dispatch->glBufferData(GL_ARRAY_BUFFER,
Michel Dänzer's avatar
Michel Dänzer committed
747 748 749 750 751 752 753 754
					       glamor_priv->vbo_size,
					       NULL, GL_STREAM_DRAW);
		}

		glamor_priv->vb = dispatch->glMapBufferRange(GL_ARRAY_BUFFER,
							     glamor_priv->vbo_offset,
							     vert_size,
							     GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
755
		assert(glamor_priv->vb != NULL);
Michel Dänzer's avatar
Michel Dänzer committed
756
		glamor_priv->vb -= glamor_priv->vbo_offset;
757 758 759
	} else
		glamor_priv->vbo_offset = 0;

760
	dispatch->glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, glamor_priv->ebo);
Zhigang Gong's avatar
Zhigang Gong committed
761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791

	dispatch->glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT,
					GL_FALSE, glamor_priv->vb_stride,
					(void *) ((long)
						  glamor_priv->vbo_offset));
	dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_POS);

	if (glamor_priv->has_source_coords) {
		dispatch->glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2,
						GL_FLOAT, GL_FALSE,
						glamor_priv->vb_stride,
						(void *) ((long)
							  glamor_priv->vbo_offset
							  +
							  2 *
							  sizeof(float)));
		dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
	}

	if (glamor_priv->has_mask_coords) {
		dispatch->glVertexAttribPointer(GLAMOR_VERTEX_MASK, 2,
						GL_FLOAT, GL_FALSE,
						glamor_priv->vb_stride,
						(void *) ((long)
							  glamor_priv->vbo_offset
							  +
							  (glamor_priv->has_source_coords
							   ? 4 : 2) *
							  sizeof(float)));
		dispatch->glEnableVertexAttribArray(GLAMOR_VERTEX_MASK);
	}
Chris Wilson's avatar
Chris Wilson committed
792
	glamor_put_dispatch(glamor_priv);
793 794
}

795
void
796 797 798
glamor_emit_composite_vert(ScreenPtr screen,
			   const float *src_coords,
			   const float *mask_coords,
Zhigang Gong's avatar
Zhigang Gong committed
799
			   const float *dst_coords, int i)
800
{
Zhigang Gong's avatar
Zhigang Gong committed
801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818
	glamor_screen_private *glamor_priv =
	    glamor_get_screen_private(screen);
	float *vb = (float *) (glamor_priv->vb + glamor_priv->vbo_offset);
	int j = 0;

	vb[j++] = dst_coords[i * 2 + 0];
	vb[j++] = dst_coords[i * 2 + 1];
	if (glamor_priv->has_source_coords) {
		vb[j++] = src_coords[i * 2 + 0];
		vb[j++] = src_coords[i * 2 + 1];
	}
	if (glamor_priv->has_mask_coords) {
		vb[j++] = mask_coords[i * 2 + 0];
		vb[j++] = mask_coords[i * 2 + 1];
	}

	glamor_priv->render_nr_verts++;
	glamor_priv->vbo_offset += glamor_priv->vb_stride;
819 820
}

821 822


823 824 825
static void
glamor_flush_composite_rects(ScreenPtr screen)
{
Zhigang Gong's avatar
Zhigang Gong committed
826 827
	glamor_screen_private *glamor_priv =
	    glamor_get_screen_private(screen);
Chris Wilson's avatar
Chris Wilson committed
828 829 830
	glamor_gl_dispatch *dispatch;

	dispatch = glamor_get_dispatch(glamor_priv);
831 832 833 834 835 836 837 838 839 840
	if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP)
		dispatch->glUnmapBuffer(GL_ARRAY_BUFFER);
	else {

		dispatch->glBindBuffer(GL_ARRAY_BUFFER, glamor_priv->vbo);
		dispatch->glBufferData(GL_ARRAY_BUFFER,
				       glamor_priv->vbo_offset,
				       glamor_priv->vb, GL_DYNAMIC_DRAW);
	}

He Junyan's avatar
He Junyan committed
841 842 843
	if (!glamor_priv->render_nr_verts)
		return;

844 845
	dispatch->glDrawElements(GL_TRIANGLES, (glamor_priv->render_nr_verts * 3) / 2,
				 GL_UNSIGNED_SHORT, NULL);
Chris Wilson's avatar
Chris Wilson committed
846
	glamor_put_dispatch(glamor_priv);
847 848
}

Zhigang Gong's avatar
Zhigang Gong committed
849 850 851 852
int pict_format_combine_tab[][3] = {
	{PICT_TYPE_ARGB, PICT_TYPE_A, PICT_TYPE_ARGB},
	{PICT_TYPE_ABGR, PICT_TYPE_A, PICT_TYPE_ABGR},
};
853

Zhigang Gong's avatar
Zhigang Gong committed
854 855 856
static Bool
combine_pict_format(PictFormatShort * des, const PictFormatShort src,
		    const PictFormatShort mask, enum shader_in in_ca)
857
{
Zhigang Gong's avatar
Zhigang Gong committed
858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910
	PictFormatShort new_vis;
	int src_type, mask_type, src_bpp, mask_bpp;
	int i;
	if (src == mask) {
		*des = src;
		return TRUE;
	}
	src_bpp = PICT_FORMAT_BPP(src);
	mask_bpp = PICT_FORMAT_BPP(mask);

	assert(src_bpp == mask_bpp);

	new_vis = PICT_FORMAT_VIS(src) | PICT_FORMAT_VIS(mask);

	switch (in_ca) {
	case SHADER_IN_SOURCE_ONLY:
		return TRUE;
	case SHADER_IN_NORMAL:
		src_type = PICT_FORMAT_TYPE(src);
		mask_type = PICT_TYPE_A;
		break;
	case SHADER_IN_CA_SOURCE:
		src_type = PICT_FORMAT_TYPE(src);
		mask_type = PICT_FORMAT_TYPE(mask);
		break;
	case SHADER_IN_CA_ALPHA:
		src_type = PICT_TYPE_A;
		mask_type = PICT_FORMAT_TYPE(mask);
		break;
	default:
		return FALSE;
	}

	if (src_type == mask_type) {
		*des = PICT_VISFORMAT(src_bpp, src_type, new_vis);
		return TRUE;
	}

	for (i = 0;
	     i <
	     sizeof(pict_format_combine_tab) /
	     sizeof(pict_format_combine_tab[0]); i++) {
		if ((src_type == pict_format_combine_tab[i][0]
		     && mask_type == pict_format_combine_tab[i][1])
		    || (src_type == pict_format_combine_tab[i][1]
			&& mask_type == pict_format_combine_tab[i][0])) {
			*des = PICT_VISFORMAT(src_bpp,
					      pict_format_combine_tab[i]
					      [2], new_vis);
			return TRUE;
		}
	}
	return FALSE;
911 912
}

913 914 915 916 917 918
static void
glamor_set_normalize_tcoords_generic(glamor_pixmap_private *priv,
				     int repeat_type,
				     float *matrix,
				     float xscale, float yscale,
				     int x1, int y1, int x2, int y2,
919 920
				     int yInverted, float *texcoords,
				     int stride)
921 922
{
	if (!matrix && repeat_type == RepeatNone)
923
		glamor_set_normalize_tcoords_ext(priv, xscale, yscale,
924 925 926
					     x1, y1,
					     x2, y2,
					     yInverted,
927
					     texcoords, stride);
928
	else if (matrix && repeat_type == RepeatNone)
929
		glamor_set_transformed_normalize_tcoords_ext(priv, matrix, xscale,
930 931 932
							 yscale, x1, y1,
							 x2, y2,
							 yInverted,
933
							 texcoords, stride);
934
	else if (!matrix && repeat_type != RepeatNone)
935
		glamor_set_repeat_normalize_tcoords_ext(priv, repeat_type,
936 937 938 939
						    xscale, yscale,
						    x1, y1,
						    x2, y2,
						    yInverted,
940
						    texcoords, stride);
941
	else if (matrix && repeat_type != RepeatNone)
942
		glamor_set_repeat_transformed_normalize_tcoords_ext(priv, repeat_type,
943 944 945 946
								matrix, xscale, yscale,
								x1, y1,
								x2, y2,
								yInverted,
947
								texcoords, stride);
948 949
}

950 951 952 953 954 955 956 957
Bool glamor_composite_choose_shader(CARD8 op,
                                    PicturePtr source,
                                    PicturePtr mask,
                                    PicturePtr dest,
			     	    glamor_pixmap_private *source_pixmap_priv,
			     	    glamor_pixmap_private *mask_pixmap_priv,
			     	    glamor_pixmap_private *dest_pixmap_priv,
                                    struct shader_key *s_key,
958 959
				    glamor_composite_shader **shader,
				    struct blendinfo *op_info,
960
                                    PictFormatShort *psaved_source_format)
961
{
Zhigang Gong's avatar
Zhigang Gong committed
962
	ScreenPtr screen = dest->pDrawable->pScreen;
963
	PixmapPtr dest_pixmap = dest_pixmap_priv->base.pixmap;
964 965
	PixmapPtr source_pixmap = NULL;
	PixmapPtr mask_pixmap = NULL;
Zhigang Gong's avatar
Zhigang Gong committed
966 967 968
	enum glamor_pixmap_status source_status = GLAMOR_NONE;
	enum glamor_pixmap_status mask_status = GLAMOR_NONE;
	PictFormatShort saved_source_format = 0;
969 970 971
	struct shader_key key;
	GLfloat source_solid_color[4];
	GLfloat mask_solid_color[4];
Zhigang Gong's avatar
Zhigang Gong committed
972
	Bool ret = FALSE;
Zhigang Gong's avatar
Zhigang Gong committed
973

974
	if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dest_pixmap_priv)) {
Zhigang Gong's avatar
Zhigang Gong committed
975 976 977
		glamor_fallback("dest has no fbo.\n");
		goto fail;
	}
978

Zhigang Gong's avatar
Zhigang Gong committed
979
	memset(&key, 0, sizeof(key));
980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996
	if (!source) {
		key.source = SHADER_SOURCE_SOLID;
		source_solid_color[0] = 0.0;
		source_solid_color[1] = 0.0;
		source_solid_color[2] = 0.0;
		source_solid_color[3] = 0.0;
	} else if (!source->pDrawable) {
			if (source->pSourcePict->type == SourcePictTypeSolidFill) {
				key.source = SHADER_SOURCE_SOLID;
				glamor_get_rgba_from_pixel(source->
							   pSourcePict->solidFill.
							   color,
							   &source_solid_color[0],
							   &source_solid_color[1],
							   &source_solid_color[2],
							   &source_solid_color[3],
							   PICT_a8r8g8b8);
997 998
		} else
			goto fail;
Zhigang Gong's avatar
Zhigang Gong committed
999 1000 1001
	} else {
		key.source = SHADER_SOURCE_TEXTURE_ALPHA;
	}
1002

Zhigang Gong's avatar
Zhigang Gong committed
1003 1004 1005
	if (mask) {
		if (!mask->pDrawable) {
			if (mask->pSourcePict->type ==
1006
			     SourcePictTypeSolidFill) {
Zhigang Gong's avatar
Zhigang Gong committed
1007 1008 1009 1010 1011 1012 1013
				key.mask = SHADER_MASK_SOLID;
				glamor_get_rgba_from_pixel
				    (mask->pSourcePict->solidFill.color,
				     &mask_solid_color[0],
				     &mask_solid_color[1],
				     &mask_solid_color[2],
				     &mask_solid_color[3], PICT_a8r8g8b8);
1014 1015
			} else
				goto fail;
Zhigang Gong's avatar
Zhigang Gong committed
1016 1017 1018 1019 1020 1021 1022
		} else {
			key.mask = SHADER_MASK_TEXTURE_ALPHA;
		}

		if (!mask->componentAlpha) {
			key.in = SHADER_IN_NORMAL;
		} else {
1023 1024 1025
			if (op == PictOpClear)
				key.mask = SHADER_MASK_NONE;
			else if (op == PictOpSrc || op == PictOpAdd
1026 1027
			         || op == PictOpIn || op == PictOpOut
			         || op == PictOpOverReverse)
Zhigang Gong's avatar
Zhigang Gong committed
1028
				key.in = SHADER_IN_CA_SOURCE;
1029
			else if (op == PictOpOutReverse || op == PictOpInReverse) {
Zhigang Gong's avatar
Zhigang Gong committed
1030 1031
				key.in = SHADER_IN_CA_ALPHA;
			} else {
1032
				glamor_fallback("Unsupported component alpha op: %d\n", op);
Zhigang Gong's avatar
Zhigang Gong committed
1033 1034 1035 1036 1037 1038 1039 1040
				goto fail;
			}
		}
	} else {
		key.mask = SHADER_MASK_NONE;
		key.in = SHADER_IN_SOURCE_ONLY;
	}

1041
	if (source && source->alphaMap) {
Zhigang Gong's avatar
Zhigang Gong committed
1042 1043 1044 1045 1046 1047 1048
		glamor_fallback("source alphaMap\n");
		goto fail;
	}
	if (mask && mask->alphaMap) {
		glamor_fallback("mask alphaMap\n");
		goto fail;
	}
1049

Zhigang Gong's avatar
Zhigang Gong committed
1050 1051
	if (key.source == SHADER_SOURCE_TEXTURE ||
	    key.source == SHADER_SOURCE_TEXTURE_ALPHA) {
1052
		source_pixmap = source_pixmap_priv->base.pixmap;
Zhigang Gong's avatar
Zhigang Gong committed
1053
		if (source_pixmap == dest_pixmap) {
1054 1055
			/* XXX source and the dest share the same texture.
			 * Does it need special handle? */
Zhigang Gong's avatar
Zhigang Gong committed
1056 1057
			glamor_fallback("source == dest\n");
		}
1058 1059
		if (source_pixmap_priv->base.gl_fbo == 0) {
			/* XXX in Xephyr, we may have gl_fbo equal to 1 but gl_tex
Zhigang Gong's avatar
Zhigang Gong committed
1060
			 * equal to zero when the pixmap is screen pixmap. Then we may
1061
			 * refer the tex zero directly latter in the composition.
Zhigang Gong's avatar
Zhigang Gong committed
1062
			 * It seems that it works fine, but it may have potential problem*/
1063
#ifdef GLAMOR_PIXMAP_DYNAMIC_UPLOAD
Zhigang Gong's avatar
Zhigang Gong committed
1064
			source_status = GLAMOR_UPLOAD_PENDING;
1065
#else
Zhigang Gong's avatar
Zhigang Gong committed
1066 1067
			glamor_fallback("no texture in source\n");
			goto fail;
1068
#endif
Zhigang Gong's avatar
Zhigang Gong committed
1069 1070
		}
	}
1071

Zhigang Gong's avatar
Zhigang Gong committed
1072 1073
	if (key.mask == SHADER_MASK_TEXTURE ||
	    key.mask == SHADER_MASK_TEXTURE_ALPHA) {
1074
		mask_pixmap = mask_pixmap_priv->base.pixmap;
Zhigang Gong's avatar
Zhigang Gong committed
1075 1076 1077 1078
		if (mask_pixmap == dest_pixmap) {
			glamor_fallback("mask == dest\n");
			goto fail;
		}
1079
		if (mask_pixmap_priv->base.gl_fbo == 0) {
1080
#ifdef GLAMOR_PIXMAP_DYNAMIC_UPLOAD
Zhigang Gong's avatar
Zhigang Gong committed
1081
			mask_status = GLAMOR_UPLOAD_PENDING;
1082
#else
Zhigang Gong's avatar
Zhigang Gong committed
1083 1084
			glamor_fallback("no texture in mask\n");
			goto fail;
1085
#endif
Zhigang Gong's avatar
Zhigang Gong committed
1086 1087
		}
	}
1088

1089
#ifdef GLAMOR_PIXMAP_DYNAMIC_UPLOAD
Zhigang Gong's avatar
Zhigang Gong committed
1090
	if (source_status == GLAMOR_UPLOAD_PENDING
1091 1092
	     && mask_status == GLAMOR_UPLOAD_PENDING
	     && source_pixmap == mask_pixmap) {
Zhigang Gong's avatar
Zhigang Gong committed
1093 1094 1095 1096

		if (source->format != mask->format) {
			saved_source_format = source->format;

1097 1098 1099 1100
			if (!combine_pict_format(&source->format, source->format,
			                         mask->format, key.in)) {
				glamor_fallback("combine source %x mask %x failed.\n",
				                source->format, mask->format);
Zhigang Gong's avatar
Zhigang Gong committed
1101 1102 1103 1104
				goto fail;
			}

			if (source->format != saved_source_format) {
1105 1106
				glamor_picture_format_fixup(source,
				        source_pixmap_priv);
Zhigang Gong's avatar
Zhigang Gong committed
1107
			}
1108
			/* XXX
Zhigang Gong's avatar
Zhigang Gong committed
1109
			 * By default, glamor_upload_picture_to_texture will wire alpha to 1
1110
			 * if one picture doesn't have alpha. So we don't do that again in
Zhigang Gong's avatar
Zhigang Gong committed
1111
			 * rendering function. But here is a special case, as source and
1112
			 * mask share the same texture but may have different formats. For
Zhigang Gong's avatar
Zhigang Gong committed
1113 1114 1115 1116 1117
			 * example, source doesn't have alpha, but mask has alpha. Then the
			 * texture will have the alpha value for the mask. And will not wire
			 * to 1 for the source. In this case, we have to use different shader
			 * to wire the source's alpha to 1.
			 *
1118
			 * But this may cause a potential problem if the source's repeat mode
Zhigang Gong's avatar
Zhigang Gong committed
1119 1120 1121 1122 1123 1124
			 * is REPEAT_NONE, and if the source is smaller than the dest, then
			 * for the region not covered by the source may be painted incorrectly.
			 * because we wire the alpha to 1.
			 *
			 **/
			if (!PICT_FORMAT_A(saved_source_format)
1125
			     && PICT_FORMAT_A(mask->format))
Zhigang Gong's avatar
Zhigang Gong committed
1126 1127 1128
				key.source = SHADER_SOURCE_TEXTURE;

			if (!PICT_FORMAT_A(mask->format)
1129
			     && PICT_FORMAT_A(saved_source_format))
Zhigang Gong's avatar
Zhigang Gong committed
1130 1131 1132 1133 1134
				key.mask = SHADER_MASK_TEXTURE;

			mask_status = GLAMOR_NONE;
		}

1135
		source_status = glamor_upload_picture_to_texture(source);
Zhigang Gong's avatar
Zhigang Gong committed
1136
		if (source_status != GLAMOR_UPLOAD_DONE) {
1137
			glamor_fallback("Failed to upload source texture.\n");
Zhigang Gong's avatar
Zhigang Gong committed
1138 1139 1140 1141
			goto fail;
		}
	} else {
		if (source_status == GLAMOR_UPLOAD_PENDING) {
1142
			source_status = glamor_upload_picture_to_texture(source);
Zhigang Gong's avatar
Zhigang Gong committed
1143
			if (source_status != GLAMOR_UPLOAD_DONE) {
1144
				glamor_fallback("Failed to upload source texture.\n");
Zhigang Gong's avatar
Zhigang Gong committed
1145 1146 1147 1148 1149
				goto fail;
			}
		}

		if (mask_status == GLAMOR_UPLOAD_PENDING) {
1150
			mask_status = glamor_upload_picture_to_texture(mask);
Zhigang Gong's avatar
Zhigang Gong committed
1151
			if (mask_status != GLAMOR_UPLOAD_DONE) {
1152
				glamor_fallback("Failed to upload mask texture.\n");
Zhigang Gong's avatar
Zhigang Gong committed
1153 1154 1155 1156
				goto fail;
			}
		}
	}
1157
#endif
1158 1159 1160 1161 1162

	/*Before enter the rendering stage, we need to fixup
	 * transformed source and mask, if the transform is not int translate. */
	if (key.source != SHADER_SOURCE_SOLID
	    && source->transform
1163 1164
	    && !pixman_transform_is_int_translate(source->transform)
	    && source_pixmap_priv->type != GLAMOR_TEXTURE_LARGE) {
1165 1166 1167
		if (!glamor_fixup_pixmap_priv(screen, source_pixmap_priv))
			goto fail;
	}
1168
	if (key.mask != SHADER_MASK_NONE && key.mask != SHADER_MASK_SOLID
1169
	    && mask->transform
1170 1171
	    && !pixman_transform_is_int_translate(mask->transform)
	    && mask_pixmap_priv->type != GLAMOR_TEXTURE_LARGE) {
1172 1173 1174 1175
		if (!glamor_fixup_pixmap_priv(screen, mask_pixmap_priv))
			goto fail;
	}

1176

1177
	if (!glamor_set_composite_op(screen, op, op_info, dest, mask))
Zhigang Gong's avatar
Zhigang Gong committed
1178 1179
		goto fail;

1180 1181
	*shader = glamor_lookup_composite_shader(screen, &key);
	if ((*shader)->prog == 0) {
1182 1183
		glamor_fallback("no shader program for this"
		                "render acccel mode\n");
Zhigang Gong's avatar
Zhigang Gong committed
1184 1185 1186
		goto fail;
	}

1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225
	if (key.source == SHADER_SOURCE_SOLID)
		memcpy(&(*shader)->source_solid_color[0],
			source_solid_color, 4*sizeof(float));
	else {
		(*shader)->source_priv = source_pixmap_priv;
		(*shader)->source = source;
	}

	if (key.mask == SHADER_MASK_SOLID)
		memcpy(&(*shader)->mask_solid_color[0],
			mask_solid_color, 4*sizeof(float));
	else {
		(*shader)->mask_priv = mask_pixmap_priv;
		(*shader)->mask = mask;
	}

	ret = TRUE;
	memcpy(s_key, &key, sizeof(key));
	*psaved_source_format = saved_source_format;
	goto done;

fail:
	if (saved_source_format)
		source->format = saved_source_format;
done:
	return ret;
}

void
glamor_composite_set_shader_blend(glamor_pixmap_private *dest_priv,
				  struct shader_key *key,
				  glamor_composite_shader *shader,
				  struct blendinfo *op_info)
{
	glamor_gl_dispatch *dispatch;
	glamor_screen_private *glamor_priv;

	glamor_priv = dest_priv->base.glamor_priv;

Chris Wilson's avatar
Chris Wilson committed
1226
	dispatch = glamor_get_dispatch(glamor_priv);
Zhigang Gong's avatar
Zhigang Gong committed
1227 1228
	dispatch->glUseProgram(shader->prog);

1229 1230 1231
	if (key->source == SHADER_SOURCE_SOLID) {
		glamor_set_composite_solid(dispatch,
			shader->source_solid_color,
1232
		        shader->source_uniform_location);
Zhigang Gong's avatar
Zhigang Gong committed
1233
	} else {
1234 1235 1236
		glamor_set_composite_texture(glamor_priv, 0,
			shader->source,
		        shader->source_priv, shader->source_wh,
1237
		        shader->source_repeat_mode);
Zhigang Gong's avatar
Zhigang Gong committed
1238
	}
1239

1240 1241
	if (key->mask != SHADER_MASK_NONE) {
		if (key->mask == SHADER_MASK_SOLID) {
Zhigang Gong's avatar
Zhigang Gong committed
1242
			glamor_set_composite_solid(dispatch,
1243
			        shader->mask_solid_color,
1244
			        shader->mask_uniform_location);
Zhigang Gong's avatar
Zhigang Gong committed
1245
		} else {
1246 1247 1248
			glamor_set_composite_texture(glamor_priv, 1,
				shader->mask,
			        shader->mask_priv, shader->mask_wh,
1249
			        shader->mask_repeat_mode);
Zhigang Gong's avatar
Zhigang Gong committed
1250 1251 1252
		}
	}

1253 1254 1255 1256 1257 1258 1259 1260
	if (op_info->source_blend == GL_ONE
	    && op_info->dest_blend == GL_ZERO) {
		dispatch->glDisable(GL_BLEND);
	} else {
		dispatch->glEnable(GL_BLEND);
		dispatch->glBlendFunc(op_info->source_blend,
				      op_info->dest_blend);
	}
1261

1262
	glamor_put_dispatch(glamor_priv);
1263 1264 1265 1266 1267 1268 1269 1270 1271 1272
}

static Bool
glamor_composite_with_shader(CARD8 op,
			     PicturePtr source,
			     PicturePtr mask,
			     PicturePtr dest,
			     glamor_pixmap_private *source_pixmap_priv,
			     glamor_pixmap_private *mask_pixmap_priv,
			     glamor_pixmap_private *dest_pixmap_priv,
1273 1274
			     int nrect, glamor_composite_rect_t * rects,
			     Bool two_pass_ca)
1275 1276 1277 1278 1279 1280 1281 1282 1283 1284
{
	ScreenPtr screen = dest->pDrawable->pScreen;
	glamor_screen_private *glamor_priv = dest_pixmap_priv->base.glamor_priv;
	PixmapPtr dest_pixmap = dest_pixmap_priv->base.pixmap;
	PixmapPtr source_pixmap = NULL;
	PixmapPtr mask_pixmap = NULL;
	glamor_gl_dispatch *dispatch = NULL;
	GLfloat dst_xscale, dst_yscale;
	GLfloat mask_xscale = 1, mask_yscale = 1,
	        src_xscale = 1, src_yscale = 1;
1285
	struct shader_key key, key_ca;
1286
	float *vertices;
1287 1288 1289 1290 1291 1292 1293 1294 1295
	int dest_x_off, dest_y_off;
	int source_x_off, source_y_off;
	int mask_x_off, mask_y_off;
	PictFormatShort saved_source_format = 0;
	float src_matrix[9], mask_matrix[9];
	float *psrc_matrix = NULL, *pmask_matrix = NULL;
	int vert_stride = 4;
	int nrect_max;
	Bool ret = FALSE;
1296 1297
	glamor_composite_shader *shader = NULL, *shader_ca = NULL;
	struct blendinfo op_info, op_info_ca;
1298 1299 1300 1301

	if(!glamor_composite_choose_shader(op, source, mask, dest,
					   source_pixmap_priv, mask_pixmap_priv,
					   dest_pixmap_priv,
Zhigang Gong's avatar