/************************************************************************** * * Copyright 2007 VMware, Inc. * All Rights Reserved. * * 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, sub license, 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 NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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. * **************************************************************************/ #include "util/u_rect.h" #include "util/u_surface.h" #include "lp_context.h" #include "lp_flush.h" #include "lp_limits.h" #include "lp_surface.h" #include "lp_texture.h" #include "lp_query.h" /** * Adjust x, y, width, height to lie on tile bounds. */ static void adjust_to_tile_bounds(unsigned x, unsigned y, unsigned width, unsigned height, unsigned *x_tile, unsigned *y_tile, unsigned *w_tile, unsigned *h_tile) { *x_tile = x & ~(TILE_SIZE - 1); *y_tile = y & ~(TILE_SIZE - 1); *w_tile = ((x + width + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *x_tile; *h_tile = ((y + height + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *y_tile; } static void lp_resource_copy(struct pipe_context *pipe, struct pipe_resource *dst, unsigned dst_level, unsigned dstx, unsigned dsty, unsigned dstz, struct pipe_resource *src, unsigned src_level, const struct pipe_box *src_box) { struct llvmpipe_resource *src_tex = llvmpipe_resource(src); struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst); const enum pipe_format format = src_tex->base.format; unsigned width = src_box->width; unsigned height = src_box->height; unsigned depth = src_box->depth; unsigned z; llvmpipe_flush_resource(pipe, dst, dst_level, FALSE, /* read_only */ TRUE, /* cpu_access */ FALSE, /* do_not_block */ "blit dest"); llvmpipe_flush_resource(pipe, src, src_level, TRUE, /* read_only */ TRUE, /* cpu_access */ FALSE, /* do_not_block */ "blit src"); /* Fallback for buffers. */ if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, src, src_level, src_box); return; } /* printf("surface copy from %u lvl %u to %u lvl %u: %u,%u,%u to %u,%u,%u %u x %u x %u\n", src_tex->id, src_level, dst_tex->id, dst_level, src_box->x, src_box->y, src_box->z, dstx, dsty, dstz, src_box->width, src_box->height, src_box->depth); */ for (z = 0; z < src_box->depth; z++){ /* set src tiles to linear layout */ { unsigned tx, ty, tw, th; unsigned x, y; adjust_to_tile_bounds(src_box->x, src_box->y, width, height, &tx, &ty, &tw, &th); for (y = 0; y < th; y += TILE_SIZE) { for (x = 0; x < tw; x += TILE_SIZE) { (void) llvmpipe_get_texture_tile_linear(src_tex, src_box->z + z, src_level, LP_TEX_USAGE_READ, tx + x, ty + y); } } } /* set dst tiles to linear layout */ { unsigned tx, ty, tw, th; unsigned x, y; enum lp_texture_usage usage; adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th); for (y = 0; y < th; y += TILE_SIZE) { boolean contained_y = ty + y >= dsty && ty + y + TILE_SIZE <= dsty + height ? TRUE : FALSE; for (x = 0; x < tw; x += TILE_SIZE) { boolean contained_x = tx + x >= dstx && tx + x + TILE_SIZE <= dstx + width ? TRUE : FALSE; /* * Set the usage mode to WRITE_ALL for the tiles which are * completely contained by the dest rectangle. */ if (contained_y && contained_x) usage = LP_TEX_USAGE_WRITE_ALL; else usage = LP_TEX_USAGE_READ_WRITE; (void) llvmpipe_get_texture_tile_linear(dst_tex, dstz + z, dst_level, usage, tx + x, ty + y); } } } } /* copy */ { const ubyte *src_linear_ptr = llvmpipe_get_texture_image_address(src_tex, src_box->z, src_level); ubyte *dst_linear_ptr = llvmpipe_get_texture_image_address(dst_tex, dstz, dst_level); if (dst_linear_ptr && src_linear_ptr) { util_copy_box(dst_linear_ptr, format, llvmpipe_resource_stride(&dst_tex->base, dst_level), dst_tex->img_stride[dst_level], dstx, dsty, 0, width, height, depth, src_linear_ptr, llvmpipe_resource_stride(&src_tex->base, src_level), src_tex->img_stride[src_level], src_box->x, src_box->y, 0); } } } static void lp_blit(struct pipe_context *pipe, const struct pipe_blit_info *blit_info) { struct llvmpipe_context *lp = llvmpipe_context(pipe); struct pipe_blit_info info = *blit_info; if (blit_info->render_condition_enable && !llvmpipe_check_render_cond(lp)) return; if (info.src.resource->nr_samples > 1 && info.dst.resource->nr_samples <= 1 && !util_format_is_depth_or_stencil(info.src.resource->format) && !util_format_is_pure_integer(info.src.resource->format)) { debug_printf("llvmpipe: color resolve unimplemented\n"); return; } if (util_try_blit_via_copy_region(pipe, &info)) { return; /* done */ } if (info.mask & PIPE_MASK_S) { debug_printf("llvmpipe: cannot blit stencil, skipping\n"); info.mask &= ~PIPE_MASK_S; } if (!util_blitter_is_blit_supported(lp->blitter, &info)) { debug_printf("llvmpipe: blit unsupported %s -> %s\n", util_format_short_name(info.src.resource->format), util_format_short_name(info.dst.resource->format)); return; } /* XXX turn off occlusion and streamout queries */ util_blitter_save_vertex_buffer_slot(lp->blitter, lp->vertex_buffer); util_blitter_save_vertex_elements(lp->blitter, (void*)lp->velems); util_blitter_save_vertex_shader(lp->blitter, (void*)lp->vs); util_blitter_save_geometry_shader(lp->blitter, (void*)lp->gs); util_blitter_save_so_targets(lp->blitter, lp->num_so_targets, (struct pipe_stream_output_target**)lp->so_targets); util_blitter_save_rasterizer(lp->blitter, (void*)lp->rasterizer); util_blitter_save_viewport(lp->blitter, &lp->viewports[0]); util_blitter_save_scissor(lp->blitter, &lp->scissors[0]); util_blitter_save_fragment_shader(lp->blitter, lp->fs); util_blitter_save_blend(lp->blitter, (void*)lp->blend); util_blitter_save_depth_stencil_alpha(lp->blitter, (void*)lp->depth_stencil); util_blitter_save_stencil_ref(lp->blitter, &lp->stencil_ref); /*util_blitter_save_sample_mask(sp->blitter, lp->sample_mask);*/ util_blitter_save_framebuffer(lp->blitter, &lp->framebuffer); util_blitter_save_fragment_sampler_states(lp->blitter, lp->num_samplers[PIPE_SHADER_FRAGMENT], (void**)lp->samplers[PIPE_SHADER_FRAGMENT]); util_blitter_save_fragment_sampler_views(lp->blitter, lp->num_sampler_views[PIPE_SHADER_FRAGMENT], lp->sampler_views[PIPE_SHADER_FRAGMENT]); util_blitter_save_render_condition(lp->blitter, lp->render_cond_query, lp->render_cond_cond, lp->render_cond_mode); util_blitter_blit(lp->blitter, &info); } static void lp_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource) { } static struct pipe_surface * llvmpipe_create_surface(struct pipe_context *pipe, struct pipe_resource *pt, const struct pipe_surface *surf_tmpl) { struct pipe_surface *ps; if (!(pt->bind & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET))) debug_printf("Illegal surface creation without bind flag\n"); ps = CALLOC_STRUCT(pipe_surface); if (ps) { pipe_reference_init(&ps->reference, 1); pipe_resource_reference(&ps->texture, pt); ps->context = pipe; ps->format = surf_tmpl->format; if (llvmpipe_resource_is_texture(pt)) { assert(surf_tmpl->u.tex.level <= pt->last_level); assert(surf_tmpl->u.tex.first_layer <= surf_tmpl->u.tex.last_layer); ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level); ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level); ps->u.tex.level = surf_tmpl->u.tex.level; ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; } else { /* setting width as number of elements should get us correct renderbuffer width */ ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1; ps->height = pt->height0; ps->u.buf.first_element = surf_tmpl->u.buf.first_element; ps->u.buf.last_element = surf_tmpl->u.buf.last_element; assert(ps->u.buf.first_element <= ps->u.buf.last_element); assert(util_format_get_blocksize(surf_tmpl->format) * (ps->u.buf.last_element + 1) <= pt->width0); } } return ps; } static void llvmpipe_surface_destroy(struct pipe_context *pipe, struct pipe_surface *surf) { /* Effectively do the texture_update work here - if texture images * needed post-processing to put them into hardware layout, this is * where it would happen. For llvmpipe, nothing to do. */ assert(surf->texture); pipe_resource_reference(&surf->texture, NULL); FREE(surf); } static void llvmpipe_clear_render_target(struct pipe_context *pipe, struct pipe_surface *dst, const union pipe_color_union *color, unsigned dstx, unsigned dsty, unsigned width, unsigned height) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if (!llvmpipe_check_render_cond(llvmpipe)) return; util_clear_render_target(pipe, dst, color, dstx, dsty, width, height); } static void llvmpipe_clear_depth_stencil(struct pipe_context *pipe, struct pipe_surface *dst, unsigned clear_flags, double depth, unsigned stencil, unsigned dstx, unsigned dsty, unsigned width, unsigned height) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); if (!llvmpipe_check_render_cond(llvmpipe)) return; util_clear_depth_stencil(pipe, dst, clear_flags, depth, stencil, dstx, dsty, width, height); } void llvmpipe_init_surface_functions(struct llvmpipe_context *lp) { lp->pipe.clear_render_target = llvmpipe_clear_render_target; lp->pipe.clear_depth_stencil = llvmpipe_clear_depth_stencil; lp->pipe.create_surface = llvmpipe_create_surface; lp->pipe.surface_destroy = llvmpipe_surface_destroy; /* These two are not actually functions dealing with surfaces */ lp->pipe.resource_copy_region = lp_resource_copy; lp->pipe.blit = lp_blit; lp->pipe.flush_resource = lp_flush_resource; }