1 /************************************************************************** 2 * 3 * Copyright 2003 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #include "i915_surface.h" 29 #include "i915_resource.h" 30 #include "i915_state.h" 31 #include "i915_blit.h" 32 #include "i915_reg.h" 33 #include "i915_screen.h" 34 #include "pipe/p_defines.h" 35 #include "util/u_inlines.h" 36 #include "util/u_math.h" 37 #include "util/u_format.h" 38 #include "util/u_memory.h" 39 #include "util/u_pack_color.h" 40 #include "util/u_surface.h" 41 42 static struct pipe_surface * 43 i915_create_surface_custom(struct pipe_context *ctx, 44 struct pipe_resource *pt, 45 const struct pipe_surface *surf_tmpl, 46 unsigned width0, 47 unsigned height0); 48 /* 49 * surface functions using the render engine 50 */ 51 52 static void 53 i915_util_blitter_save_states(struct i915_context *i915) 54 { 55 util_blitter_save_blend(i915->blitter, (void *)i915->blend); 56 util_blitter_save_depth_stencil_alpha(i915->blitter, (void *)i915->depth_stencil); 57 util_blitter_save_stencil_ref(i915->blitter, &i915->stencil_ref); 58 util_blitter_save_rasterizer(i915->blitter, (void *)i915->rasterizer); 59 util_blitter_save_fragment_shader(i915->blitter, i915->fs); 60 util_blitter_save_vertex_shader(i915->blitter, i915->vs); 61 util_blitter_save_viewport(i915->blitter, &i915->viewport); 62 util_blitter_save_scissor(i915->blitter, &i915->scissor); 63 util_blitter_save_vertex_elements(i915->blitter, i915->velems); 64 util_blitter_save_vertex_buffer_slot(i915->blitter, 65 i915->vertex_buffers); 66 67 util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); 68 69 util_blitter_save_fragment_sampler_states(i915->blitter, 70 i915->num_samplers, 71 (void**)i915->fragment_sampler); 72 util_blitter_save_fragment_sampler_views(i915->blitter, 73 i915->num_fragment_sampler_views, 74 i915->fragment_sampler_views); 75 } 76 77 static void 78 i915_surface_copy_render(struct pipe_context *pipe, 79 struct pipe_resource *dst, unsigned dst_level, 80 unsigned dstx, unsigned dsty, unsigned dstz, 81 struct pipe_resource *src, unsigned src_level, 82 const struct pipe_box *src_box) 83 { 84 struct i915_context *i915 = i915_context(pipe); 85 unsigned src_width0 = src->width0; 86 unsigned src_height0 = src->height0; 87 unsigned dst_width0 = dst->width0; 88 unsigned dst_height0 = dst->height0; 89 struct pipe_box dstbox; 90 struct pipe_sampler_view src_templ, *src_view; 91 struct pipe_surface dst_templ, *dst_view; 92 const struct util_format_description *desc; 93 94 /* Fallback for buffers. */ 95 if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) 96 goto fallback; 97 98 /* Fallback for depth&stencil. XXX: see if we can use a proxy format */ 99 desc = util_format_description(src->format); 100 if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) 101 goto fallback; 102 103 desc = util_format_description(dst->format); 104 if (desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) 105 goto fallback; 106 107 util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); 108 util_blitter_default_src_texture(&src_templ, src, src_level); 109 110 if (!util_blitter_is_copy_supported(i915->blitter, dst, src)) 111 goto fallback; 112 113 i915_util_blitter_save_states(i915); 114 115 dst_view = i915_create_surface_custom(pipe, dst, &dst_templ, dst_width0, dst_height0); 116 src_view = i915_create_sampler_view_custom(pipe, src, &src_templ, src_width0, src_height0); 117 118 u_box_3d(dstx, dsty, dstz, abs(src_box->width), abs(src_box->height), 119 abs(src_box->depth), &dstbox); 120 121 util_blitter_blit_generic(i915->blitter, dst_view, &dstbox, 122 src_view, src_box, src_width0, src_height0, 123 PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL, 124 FALSE); 125 return; 126 127 fallback: 128 util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, 129 src, src_level, src_box); 130 } 131 132 static void 133 i915_clear_render_target_render(struct pipe_context *pipe, 134 struct pipe_surface *dst, 135 const union pipe_color_union *color, 136 unsigned dstx, unsigned dsty, 137 unsigned width, unsigned height, 138 bool render_condition_enabled) 139 { 140 struct i915_context *i915 = i915_context(pipe); 141 struct pipe_framebuffer_state fb_state; 142 143 util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); 144 145 fb_state.width = dst->width; 146 fb_state.height = dst->height; 147 fb_state.nr_cbufs = 1; 148 fb_state.cbufs[0] = dst; 149 fb_state.zsbuf = NULL; 150 pipe->set_framebuffer_state(pipe, &fb_state); 151 152 if (i915->dirty) 153 i915_update_derived(i915); 154 155 i915_clear_emit(pipe, PIPE_CLEAR_COLOR, color, 0.0, 0x0, 156 dstx, dsty, width, height); 157 158 pipe->set_framebuffer_state(pipe, &i915->blitter->saved_fb_state); 159 util_unreference_framebuffer_state(&i915->blitter->saved_fb_state); 160 i915->blitter->saved_fb_state.nr_cbufs = ~0; 161 } 162 163 static void 164 i915_clear_depth_stencil_render(struct pipe_context *pipe, 165 struct pipe_surface *dst, 166 unsigned clear_flags, 167 double depth, 168 unsigned stencil, 169 unsigned dstx, unsigned dsty, 170 unsigned width, unsigned height, 171 bool render_condition_enabled) 172 { 173 struct i915_context *i915 = i915_context(pipe); 174 struct pipe_framebuffer_state fb_state; 175 176 util_blitter_save_framebuffer(i915->blitter, &i915->framebuffer); 177 178 fb_state.width = dst->width; 179 fb_state.height = dst->height; 180 fb_state.nr_cbufs = 0; 181 fb_state.zsbuf = dst; 182 pipe->set_framebuffer_state(pipe, &fb_state); 183 184 if (i915->dirty) 185 i915_update_derived(i915); 186 187 i915_clear_emit(pipe, clear_flags & PIPE_CLEAR_DEPTHSTENCIL, 188 NULL, depth, stencil, 189 dstx, dsty, width, height); 190 191 pipe->set_framebuffer_state(pipe, &i915->blitter->saved_fb_state); 192 util_unreference_framebuffer_state(&i915->blitter->saved_fb_state); 193 i915->blitter->saved_fb_state.nr_cbufs = ~0; 194 } 195 196 /* 197 * surface functions using the blitter 198 */ 199 200 /* Assumes all values are within bounds -- no checking at this level - 201 * do it higher up if required. 202 */ 203 static void 204 i915_surface_copy_blitter(struct pipe_context *pipe, 205 struct pipe_resource *dst, unsigned dst_level, 206 unsigned dstx, unsigned dsty, unsigned dstz, 207 struct pipe_resource *src, unsigned src_level, 208 const struct pipe_box *src_box) 209 { 210 struct i915_texture *dst_tex = i915_texture(dst); 211 struct i915_texture *src_tex = i915_texture(src); 212 struct pipe_resource *dpt = &dst_tex->b.b; 213 struct pipe_resource *spt = &src_tex->b.b; 214 unsigned dst_offset, src_offset; /* in bytes */ 215 216 /* Fallback for buffers. */ 217 if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { 218 util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, 219 src, src_level, src_box); 220 return; 221 } 222 223 /* XXX cannot copy 3d regions at this time */ 224 assert(src_box->depth == 1); 225 if (dst->target != PIPE_TEXTURE_CUBE && 226 dst->target != PIPE_TEXTURE_3D) 227 assert(dstz == 0); 228 dst_offset = i915_texture_offset(dst_tex, dst_level, dstz); 229 230 if (src->target != PIPE_TEXTURE_CUBE && 231 src->target != PIPE_TEXTURE_3D) 232 assert(src_box->z == 0); 233 src_offset = i915_texture_offset(src_tex, src_level, src_box->z); 234 235 assert( util_format_get_blocksize(dpt->format) == util_format_get_blocksize(spt->format) ); 236 assert( util_format_get_blockwidth(dpt->format) == util_format_get_blockwidth(spt->format) ); 237 assert( util_format_get_blockheight(dpt->format) == util_format_get_blockheight(spt->format) ); 238 assert( util_format_get_blockwidth(dpt->format) == 1 ); 239 assert( util_format_get_blockheight(dpt->format) == 1 ); 240 241 i915_copy_blit( i915_context(pipe), 242 util_format_get_blocksize(dpt->format), 243 (unsigned short) src_tex->stride, src_tex->buffer, src_offset, 244 (unsigned short) dst_tex->stride, dst_tex->buffer, dst_offset, 245 (short) src_box->x, (short) src_box->y, (short) dstx, (short) dsty, 246 (short) src_box->width, (short) src_box->height ); 247 } 248 249 static void 250 i915_blit(struct pipe_context *pipe, const struct pipe_blit_info *blit_info) 251 { 252 struct i915_context *i915 = i915_context(pipe); 253 struct pipe_blit_info info = *blit_info; 254 255 if (util_try_blit_via_copy_region(pipe, &info)) { 256 return; /* done */ 257 } 258 259 if (info.mask & PIPE_MASK_S) { 260 debug_printf("i915: cannot blit stencil, skipping\n"); 261 info.mask &= ~PIPE_MASK_S; 262 } 263 264 if (!util_blitter_is_blit_supported(i915->blitter, &info)) { 265 debug_printf("i915: blit unsupported %s -> %s\n", 266 util_format_short_name(info.src.resource->format), 267 util_format_short_name(info.dst.resource->format)); 268 return; 269 } 270 271 i915_util_blitter_save_states(i915); 272 273 util_blitter_blit(i915->blitter, &info); 274 } 275 276 static void 277 i915_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource) 278 { 279 } 280 281 static void 282 i915_clear_render_target_blitter(struct pipe_context *pipe, 283 struct pipe_surface *dst, 284 const union pipe_color_union *color, 285 unsigned dstx, unsigned dsty, 286 unsigned width, unsigned height, 287 bool render_condition_enabled) 288 { 289 struct i915_texture *tex = i915_texture(dst->texture); 290 struct pipe_resource *pt = &tex->b.b; 291 union util_color uc; 292 unsigned offset = i915_texture_offset(tex, dst->u.tex.level, dst->u.tex.first_layer); 293 294 assert(util_format_get_blockwidth(pt->format) == 1); 295 assert(util_format_get_blockheight(pt->format) == 1); 296 297 util_pack_color(color->f, dst->format, &uc); 298 i915_fill_blit( i915_context(pipe), 299 util_format_get_blocksize(pt->format), 300 XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB, 301 (unsigned short) tex->stride, 302 tex->buffer, offset, 303 (short) dstx, (short) dsty, 304 (short) width, (short) height, 305 uc.ui[0] ); 306 } 307 308 static void 309 i915_clear_depth_stencil_blitter(struct pipe_context *pipe, 310 struct pipe_surface *dst, 311 unsigned clear_flags, 312 double depth, 313 unsigned stencil, 314 unsigned dstx, unsigned dsty, 315 unsigned width, unsigned height, 316 bool render_condition_enabled) 317 { 318 struct i915_texture *tex = i915_texture(dst->texture); 319 struct pipe_resource *pt = &tex->b.b; 320 unsigned packedds; 321 unsigned mask = 0; 322 unsigned offset = i915_texture_offset(tex, dst->u.tex.level, dst->u.tex.first_layer); 323 324 assert(util_format_get_blockwidth(pt->format) == 1); 325 assert(util_format_get_blockheight(pt->format) == 1); 326 327 packedds = util_pack_z_stencil(dst->format, depth, stencil); 328 329 if (clear_flags & PIPE_CLEAR_DEPTH) 330 mask |= XY_COLOR_BLT_WRITE_RGB; 331 /* XXX presumably this does read-modify-write 332 (otherwise this won't work anyway). Hence will only want to 333 do it if really have stencil and it isn't cleared */ 334 if ((clear_flags & PIPE_CLEAR_STENCIL) || 335 (dst->format != PIPE_FORMAT_Z24_UNORM_S8_UINT)) 336 mask |= XY_COLOR_BLT_WRITE_ALPHA; 337 338 i915_fill_blit( i915_context(pipe), 339 util_format_get_blocksize(pt->format), 340 mask, 341 (unsigned short) tex->stride, 342 tex->buffer, offset, 343 (short) dstx, (short) dsty, 344 (short) width, (short) height, 345 packedds ); 346 } 347 348 /* 349 * Screen surface functions 350 */ 351 352 353 static struct pipe_surface * 354 i915_create_surface_custom(struct pipe_context *ctx, 355 struct pipe_resource *pt, 356 const struct pipe_surface *surf_tmpl, 357 unsigned width0, 358 unsigned height0) 359 { 360 struct pipe_surface *ps; 361 362 assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); 363 if (pt->target != PIPE_TEXTURE_CUBE && 364 pt->target != PIPE_TEXTURE_3D) 365 assert(surf_tmpl->u.tex.first_layer == 0); 366 367 ps = CALLOC_STRUCT(pipe_surface); 368 if (ps) { 369 /* could subclass pipe_surface and store offset as it used to do */ 370 pipe_reference_init(&ps->reference, 1); 371 pipe_resource_reference(&ps->texture, pt); 372 ps->format = surf_tmpl->format; 373 ps->width = u_minify(width0, surf_tmpl->u.tex.level); 374 ps->height = u_minify(height0, surf_tmpl->u.tex.level); 375 ps->u.tex.level = surf_tmpl->u.tex.level; 376 ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; 377 ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; 378 ps->context = ctx; 379 } 380 return ps; 381 } 382 383 static struct pipe_surface * 384 i915_create_surface(struct pipe_context *ctx, 385 struct pipe_resource *pt, 386 const struct pipe_surface *surf_tmpl) 387 { 388 return i915_create_surface_custom(ctx, pt, surf_tmpl, 389 pt->width0, pt->height0); 390 } 391 392 static void 393 i915_surface_destroy(struct pipe_context *ctx, 394 struct pipe_surface *surf) 395 { 396 pipe_resource_reference(&surf->texture, NULL); 397 FREE(surf); 398 } 399 400 401 void 402 i915_init_surface_functions(struct i915_context *i915) 403 { 404 if (i915_screen(i915->base.screen)->debug.use_blitter) { 405 i915->base.resource_copy_region = i915_surface_copy_blitter; 406 i915->base.clear_render_target = i915_clear_render_target_blitter; 407 i915->base.clear_depth_stencil = i915_clear_depth_stencil_blitter; 408 } else { 409 i915->base.resource_copy_region = i915_surface_copy_render; 410 i915->base.clear_render_target = i915_clear_render_target_render; 411 i915->base.clear_depth_stencil = i915_clear_depth_stencil_render; 412 } 413 i915->base.blit = i915_blit; 414 i915->base.flush_resource = i915_flush_resource; 415 i915->base.create_surface = i915_create_surface; 416 i915->base.surface_destroy = i915_surface_destroy; 417 } 418
