/**************************************************************************
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*
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* Copyright 2007 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "util/u_rect.h"
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#include "util/u_surface.h"
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#include "lp_context.h"
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#include "lp_flush.h"
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#include "lp_limits.h"
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#include "lp_surface.h"
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#include "lp_texture.h"
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#include "lp_query.h"
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static void
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lp_resource_copy(struct pipe_context *pipe,
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struct pipe_resource *dst, unsigned dst_level,
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unsigned dstx, unsigned dsty, unsigned dstz,
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struct pipe_resource *src, unsigned src_level,
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const struct pipe_box *src_box)
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{
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llvmpipe_flush_resource(pipe,
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dst, dst_level,
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FALSE, /* read_only */
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TRUE, /* cpu_access */
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FALSE, /* do_not_block */
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"blit dest");
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llvmpipe_flush_resource(pipe,
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src, src_level,
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TRUE, /* read_only */
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TRUE, /* cpu_access */
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FALSE, /* do_not_block */
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"blit src");
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util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz,
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src, src_level, src_box);
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}
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static void lp_blit(struct pipe_context *pipe,
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const struct pipe_blit_info *blit_info)
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{
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struct llvmpipe_context *lp = llvmpipe_context(pipe);
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struct pipe_blit_info info = *blit_info;
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if (blit_info->render_condition_enable && !llvmpipe_check_render_cond(lp))
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return;
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if (info.src.resource->nr_samples > 1 &&
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info.dst.resource->nr_samples <= 1 &&
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!util_format_is_depth_or_stencil(info.src.resource->format) &&
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!util_format_is_pure_integer(info.src.resource->format)) {
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debug_printf("llvmpipe: color resolve unimplemented\n");
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return;
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}
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if (util_try_blit_via_copy_region(pipe, &info)) {
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return; /* done */
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}
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if (!util_blitter_is_blit_supported(lp->blitter, &info)) {
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debug_printf("llvmpipe: blit unsupported %s -> %s\n",
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util_format_short_name(info.src.resource->format),
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util_format_short_name(info.dst.resource->format));
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return;
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}
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/* XXX turn off occlusion and streamout queries */
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util_blitter_save_vertex_buffer_slot(lp->blitter, lp->vertex_buffer);
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util_blitter_save_vertex_elements(lp->blitter, (void*)lp->velems);
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util_blitter_save_vertex_shader(lp->blitter, (void*)lp->vs);
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util_blitter_save_geometry_shader(lp->blitter, (void*)lp->gs);
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util_blitter_save_so_targets(lp->blitter, lp->num_so_targets,
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(struct pipe_stream_output_target**)lp->so_targets);
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util_blitter_save_rasterizer(lp->blitter, (void*)lp->rasterizer);
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util_blitter_save_viewport(lp->blitter, &lp->viewports[0]);
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util_blitter_save_scissor(lp->blitter, &lp->scissors[0]);
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util_blitter_save_fragment_shader(lp->blitter, lp->fs);
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util_blitter_save_blend(lp->blitter, (void*)lp->blend);
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util_blitter_save_depth_stencil_alpha(lp->blitter, (void*)lp->depth_stencil);
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util_blitter_save_stencil_ref(lp->blitter, &lp->stencil_ref);
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/*util_blitter_save_sample_mask(sp->blitter, lp->sample_mask);*/
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util_blitter_save_framebuffer(lp->blitter, &lp->framebuffer);
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util_blitter_save_fragment_sampler_states(lp->blitter,
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lp->num_samplers[PIPE_SHADER_FRAGMENT],
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(void**)lp->samplers[PIPE_SHADER_FRAGMENT]);
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util_blitter_save_fragment_sampler_views(lp->blitter,
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lp->num_sampler_views[PIPE_SHADER_FRAGMENT],
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lp->sampler_views[PIPE_SHADER_FRAGMENT]);
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util_blitter_save_render_condition(lp->blitter, lp->render_cond_query,
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lp->render_cond_cond, lp->render_cond_mode);
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util_blitter_blit(lp->blitter, &info);
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}
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static void
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lp_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource)
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{
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}
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static struct pipe_surface *
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llvmpipe_create_surface(struct pipe_context *pipe,
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struct pipe_resource *pt,
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const struct pipe_surface *surf_tmpl)
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{
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struct pipe_surface *ps;
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if (!(pt->bind & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET))) {
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debug_printf("Illegal surface creation without bind flag\n");
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if (util_format_is_depth_or_stencil(surf_tmpl->format)) {
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pt->bind |= PIPE_BIND_DEPTH_STENCIL;
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}
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else {
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pt->bind |= PIPE_BIND_RENDER_TARGET;
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}
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}
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ps = CALLOC_STRUCT(pipe_surface);
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if (ps) {
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pipe_reference_init(&ps->reference, 1);
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pipe_resource_reference(&ps->texture, pt);
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ps->context = pipe;
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ps->format = surf_tmpl->format;
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if (llvmpipe_resource_is_texture(pt)) {
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assert(surf_tmpl->u.tex.level <= pt->last_level);
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assert(surf_tmpl->u.tex.first_layer <= surf_tmpl->u.tex.last_layer);
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ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
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ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
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ps->u.tex.level = surf_tmpl->u.tex.level;
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ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
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ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
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}
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else {
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/* setting width as number of elements should get us correct renderbuffer width */
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ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
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ps->height = pt->height0;
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ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
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ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
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assert(ps->u.buf.first_element <= ps->u.buf.last_element);
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assert(util_format_get_blocksize(surf_tmpl->format) *
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(ps->u.buf.last_element + 1) <= pt->width0);
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}
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}
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return ps;
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}
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static void
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llvmpipe_surface_destroy(struct pipe_context *pipe,
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struct pipe_surface *surf)
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{
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/* Effectively do the texture_update work here - if texture images
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* needed post-processing to put them into hardware layout, this is
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* where it would happen. For llvmpipe, nothing to do.
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*/
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assert(surf->texture);
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pipe_resource_reference(&surf->texture, NULL);
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FREE(surf);
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}
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static void
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llvmpipe_clear_render_target(struct pipe_context *pipe,
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struct pipe_surface *dst,
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const union pipe_color_union *color,
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unsigned dstx, unsigned dsty,
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unsigned width, unsigned height,
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bool render_condition_enabled)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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if (render_condition_enabled && !llvmpipe_check_render_cond(llvmpipe))
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return;
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util_clear_render_target(pipe, dst, color,
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dstx, dsty, width, height);
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}
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static void
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llvmpipe_clear_depth_stencil(struct pipe_context *pipe,
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struct pipe_surface *dst,
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unsigned clear_flags,
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double depth,
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unsigned stencil,
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unsigned dstx, unsigned dsty,
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unsigned width, unsigned height,
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bool render_condition_enabled)
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{
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struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
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if (render_condition_enabled && !llvmpipe_check_render_cond(llvmpipe))
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return;
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util_clear_depth_stencil(pipe, dst, clear_flags,
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depth, stencil,
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dstx, dsty, width, height);
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}
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void
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llvmpipe_init_surface_functions(struct llvmpipe_context *lp)
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{
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lp->pipe.clear_render_target = llvmpipe_clear_render_target;
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lp->pipe.clear_depth_stencil = llvmpipe_clear_depth_stencil;
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lp->pipe.create_surface = llvmpipe_create_surface;
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lp->pipe.surface_destroy = llvmpipe_surface_destroy;
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/* These are not actually functions dealing with surfaces */
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lp->pipe.clear_texture = util_clear_texture;
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lp->pipe.resource_copy_region = lp_resource_copy;
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lp->pipe.blit = lp_blit;
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lp->pipe.flush_resource = lp_flush_resource;
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}
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