| /********************************************************** |
| * Copyright 2008-2017 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, 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 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. |
| * |
| **********************************************************/ |
| |
| #include "svga_context.h" |
| #include "svga_debug.h" |
| #include "svga_cmd.h" |
| #include "svga_format.h" |
| #include "svga_resource_buffer.h" |
| #include "svga_resource_texture.h" |
| #include "svga_surface.h" |
| |
| //#include "util/u_blit_sw.h" |
| #include "util/u_format.h" |
| #include "util/u_surface.h" |
| |
| #define FILE_DEBUG_FLAG DEBUG_BLIT |
| |
| |
| /** |
| * Build a struct pipe_blit_info object from the arguments used by the |
| * pipe::resource_copy_region() function. |
| */ |
| static void |
| build_blit_info(struct pipe_resource *dst_tex, |
| unsigned dst_level, |
| unsigned dst_x, |
| unsigned dst_y, |
| unsigned dst_z, |
| struct pipe_resource *src_tex, |
| unsigned src_level, |
| const struct pipe_box *src_box, |
| struct pipe_blit_info *blit) |
| { |
| memset(blit, 0, sizeof(*blit)); |
| |
| blit->src.format = src_tex->format; |
| blit->dst.format = dst_tex->format; |
| |
| blit->mask = util_format_get_mask(blit->dst.format); |
| blit->filter = PIPE_TEX_FILTER_NEAREST; |
| blit->src.resource = src_tex; |
| blit->src.level = src_level; |
| blit->dst.resource = dst_tex; |
| blit->dst.level = dst_level; |
| blit->src.box = *src_box; |
| u_box_3d(dst_x, dst_y, dst_z, src_box->width, src_box->height, |
| src_box->depth, &blit->dst.box); |
| } |
| |
| |
| /** |
| * Copy an image between textures with the vgpu10 CopyRegion command. |
| */ |
| static void |
| copy_region_vgpu10(struct svga_context *svga, struct pipe_resource *src_tex, |
| unsigned src_x, unsigned src_y, unsigned src_z, |
| unsigned src_level, unsigned src_face, |
| struct pipe_resource *dst_tex, |
| unsigned dst_x, unsigned dst_y, unsigned dst_z, |
| unsigned dst_level, unsigned dst_face, |
| unsigned width, unsigned height, unsigned depth) |
| { |
| enum pipe_error ret; |
| uint32 srcSubResource, dstSubResource; |
| struct svga_texture *dtex, *stex; |
| SVGA3dCopyBox box; |
| |
| stex = svga_texture(src_tex); |
| dtex = svga_texture(dst_tex); |
| |
| svga_surfaces_flush(svga); |
| |
| box.x = dst_x; |
| box.y = dst_y; |
| box.z = dst_z; |
| box.w = width; |
| box.h = height; |
| box.d = depth; |
| box.srcx = src_x; |
| box.srcy = src_y; |
| box.srcz = src_z; |
| |
| srcSubResource = src_face * (src_tex->last_level + 1) + src_level; |
| dstSubResource = dst_face * (dst_tex->last_level + 1) + dst_level; |
| |
| ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc, |
| dtex->handle, dstSubResource, |
| stex->handle, srcSubResource, &box); |
| if (ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc, |
| dtex->handle, dstSubResource, |
| stex->handle, srcSubResource, &box); |
| assert(ret == PIPE_OK); |
| } |
| |
| /* Mark the texture subresource as defined. */ |
| svga_define_texture_level(dtex, dst_face, dst_level); |
| |
| /* Mark the texture subresource as rendered-to. */ |
| svga_set_texture_rendered_to(dtex, dst_face, dst_level); |
| } |
| |
| |
| /** |
| * Fallback to the copy region utility which uses map/memcpy for the copy |
| */ |
| static void |
| copy_region_fallback(struct svga_context *svga, |
| struct pipe_resource *dst_tex, unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src_tex, unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws; |
| |
| SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_COPYREGIONFALLBACK); |
| util_resource_copy_region(&svga->pipe, dst_tex, dst_level, dstx, |
| dsty, dstz, src_tex, src_level, src_box); |
| SVGA_STATS_TIME_POP(sws); |
| (void) sws; |
| } |
| |
| |
| /** |
| * For some texture types, we need to move the z (slice) coordinate |
| * to the layer value. For example, to select the z=3 slice of a 2D ARRAY |
| * texture, we need to use layer=3 and set z=0. |
| */ |
| static void |
| adjust_z_layer(enum pipe_texture_target target, |
| int z_in, unsigned *layer_out, unsigned *z_out) |
| { |
| if (target == PIPE_TEXTURE_CUBE || |
| target == PIPE_TEXTURE_2D_ARRAY || |
| target == PIPE_TEXTURE_1D_ARRAY) { |
| *layer_out = z_in; |
| *z_out = 0; |
| } |
| else { |
| *layer_out = 0; |
| *z_out = z_in; |
| } |
| } |
| |
| |
| /** |
| * Are the given SVGA3D formats compatible, in terms of vgpu10's |
| * PredCopyRegion() command? |
| */ |
| static bool |
| formats_compatible(const struct svga_screen *ss, |
| SVGA3dSurfaceFormat src_svga_fmt, |
| SVGA3dSurfaceFormat dst_svga_fmt) |
| { |
| src_svga_fmt = svga_typeless_format(src_svga_fmt); |
| dst_svga_fmt = svga_typeless_format(dst_svga_fmt); |
| |
| return src_svga_fmt == dst_svga_fmt; |
| } |
| |
| |
| /** |
| * Check whether the blending is enabled or not |
| */ |
| static bool |
| is_blending_enabled(struct svga_context *svga, |
| const struct pipe_blit_info *blit) |
| { |
| bool blend_enable = false; |
| int i; |
| if (svga->curr.blend) { |
| if (svga->curr.blend->independent_blend_enable) { |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
| if (svga->curr.framebuffer.cbufs[i]->texture == blit->dst.resource) { |
| if (svga->curr.blend->rt[i].blend_enable) { |
| blend_enable = true; |
| } |
| break; |
| } |
| } |
| } |
| else { |
| if (svga->curr.blend->rt[0].blend_enable) |
| blend_enable = true; |
| } |
| } |
| return blend_enable; |
| } |
| |
| |
| /** |
| * If GL_FRAMEBUFFER_SRGB is enabled, then output colorspace is |
| * expected to be sRGB if blending is not enabled. |
| * If GL_FRAMEBUFFER_SRGB is disabled, then we can use |
| * copy_region_vgpu10() |
| * Following table basically tells when copy_region_vgpu10 can be |
| * used if GL_FRAMEBUFFER_SRGB is enabled. |
| * ______________________________________________________________ |
| * | src fmt | dst_fmt | blending |Can use | |
| * | | | |copy_region | |
| * ______________________________________________________________ |
| * | linear | linear | N | Y | |
| * | linear | linear | Y | Y | |
| * | linear | sRGB | N | N | |
| * | linear | sRGB | Y | Y | |
| * | sRGB | linear | N | N | |
| * | sRGB | linear | Y | N | |
| * | sRGB | sRGB | N | Y | |
| * | sRGB | sRGB | Y | N | |
| * ______________________________________________________________ |
| * |
| */ |
| static bool |
| check_blending_and_srgb_cond(struct svga_context *svga, |
| const struct pipe_blit_info *blit) |
| { |
| enum pipe_format sFmt = blit->src.format; |
| enum pipe_format dFmt = blit->dst.format; |
| |
| if (is_blending_enabled(svga, blit)) { |
| if (!util_format_is_srgb(blit->src.format)) |
| return true; |
| } |
| else { |
| if (util_format_is_srgb(sFmt) && util_format_is_srgb(dFmt)) |
| return true; |
| else if (!util_format_is_srgb(sFmt)){ |
| if (!util_format_is_srgb(dFmt)) |
| return true; |
| else { |
| /** |
| * State tracker converts all sRGB src blit format |
| * to linear if GL_FRAMEBUFFER_SRGB is disabled. |
| * So if src resource format is sRGB and |
| * blit format is linear then it means, |
| * GL_FRAMEBUFFER_SRGB is disabled. In this case also |
| * we can use copy_region_vgpu10(). |
| */ |
| |
| if (util_format_is_srgb(blit->src.resource->format)) |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Do common checks for svga surface copy. |
| */ |
| static bool |
| can_blit_via_svga_copy_region(struct svga_context *svga, |
| const struct pipe_blit_info *blit_info) |
| { |
| struct pipe_blit_info local_blit = *blit_info; |
| |
| /* First basic checks to catch incompatibilities in new or locally unchecked |
| * struct pipe_blit_info members but bypass the format check here. |
| * Also since util_can_blit_via_copy_region() requires a dimension match, |
| * PIPE_FILTER_LINEAR should be equal to PIPE_FILTER_NEAREST. |
| */ |
| local_blit.dst.format = local_blit.src.format; |
| if (local_blit.filter == PIPE_TEX_FILTER_LINEAR) |
| local_blit.filter = PIPE_TEX_FILTER_NEAREST; |
| if (!util_can_blit_via_copy_region(&local_blit, TRUE)) |
| return false; |
| |
| /* For depth+stencil formats, copy with mask != PIPE_MASK_ZS is not |
| * supported |
| */ |
| if (util_format_is_depth_and_stencil(blit_info->src.format) && |
| blit_info->mask != (PIPE_MASK_ZS)) |
| return false; |
| |
| return check_blending_and_srgb_cond(svga, blit_info); |
| } |
| |
| |
| /** |
| * The state tracker implements some resource copies with blits (for |
| * GL_ARB_copy_image). This function checks if we should really do the blit |
| * with a VGPU10 CopyRegion command or software fallback (for incompatible |
| * src/dst formats). |
| */ |
| static bool |
| can_blit_via_copy_region_vgpu10(struct svga_context *svga, |
| const struct pipe_blit_info *blit_info) |
| { |
| struct svga_texture *dtex, *stex; |
| |
| /* can't copy between different resource types */ |
| if (svga_resource_type(blit_info->src.resource->target) != |
| svga_resource_type(blit_info->dst.resource->target)) |
| return false; |
| |
| stex = svga_texture(blit_info->src.resource); |
| dtex = svga_texture(blit_info->dst.resource); |
| |
| if (!svga_have_vgpu10(svga)) |
| return false; |
| |
| if (stex->handle == dtex->handle) |
| return false; |
| |
| return formats_compatible(svga_screen(svga->pipe.screen), |
| stex->key.format, |
| dtex->key.format); |
| } |
| |
| |
| /** |
| * Check whether we can blit using the surface_copy command. |
| */ |
| static bool |
| can_blit_via_surface_copy(struct svga_context *svga, |
| const struct pipe_blit_info *blit_info) |
| { |
| struct svga_texture *dtex, *stex; |
| |
| /* Mimic the format tests in util_can_blit_via_copy_region(), but |
| * skip the other tests that have already been performed. |
| */ |
| if (blit_info->src.format != blit_info->dst.format) { |
| const struct util_format_description *src_desc, *dst_desc; |
| |
| src_desc = util_format_description(blit_info->src.resource->format); |
| dst_desc = util_format_description(blit_info->dst.resource->format); |
| |
| if (blit_info->src.resource->format != blit_info->src.format || |
| blit_info->dst.resource->format != blit_info->dst.format || |
| !util_is_format_compatible(src_desc, dst_desc)); |
| return FALSE; |
| } |
| |
| if (svga->render_condition && blit_info->render_condition_enable) |
| return false; |
| |
| /* can't copy between different resource types */ |
| if (svga_resource_type(blit_info->src.resource->target) != |
| svga_resource_type(blit_info->dst.resource->target)) |
| return false; |
| |
| stex = svga_texture(blit_info->src.resource); |
| dtex = svga_texture(blit_info->dst.resource); |
| |
| if (stex->handle == dtex->handle) |
| return false; |
| |
| /* |
| * This is what we've been using before, but it can probably be |
| * relaxed. The device checks are less stringent. |
| */ |
| return (stex->b.b.format == dtex->b.b.format); |
| } |
| |
| |
| /** |
| * Try region copy using one of the region copy commands |
| */ |
| static bool |
| try_copy_region(struct svga_context *svga, |
| const struct pipe_blit_info *blit) |
| { |
| unsigned src_face, src_z, dst_face, dst_z; |
| |
| if (!can_blit_via_svga_copy_region(svga, blit)) |
| return false; |
| |
| adjust_z_layer(blit->src.resource->target, blit->src.box.z, |
| &src_face, &src_z); |
| |
| adjust_z_layer(blit->dst.resource->target, blit->dst.box.z, |
| &dst_face, &dst_z); |
| |
| if (can_blit_via_copy_region_vgpu10(svga, blit)) { |
| svga_toggle_render_condition(svga, blit->render_condition_enable, FALSE); |
| |
| copy_region_vgpu10(svga, |
| blit->src.resource, |
| blit->src.box.x, blit->src.box.y, src_z, |
| blit->src.level, src_face, |
| blit->dst.resource, |
| blit->dst.box.x, blit->dst.box.y, dst_z, |
| blit->dst.level, dst_face, |
| blit->src.box.width, blit->src.box.height, |
| blit->src.box.depth); |
| |
| svga_toggle_render_condition(svga, blit->render_condition_enable, TRUE); |
| |
| return true; |
| } |
| |
| if (can_blit_via_surface_copy(svga, blit)) { |
| struct svga_texture *stex = svga_texture(blit->src.resource); |
| struct svga_texture *dtex = svga_texture(blit->dst.resource); |
| |
| svga_surfaces_flush(svga); |
| |
| svga_texture_copy_handle(svga, |
| stex->handle, |
| blit->src.box.x, blit->src.box.y, src_z, |
| blit->src.level, src_face, |
| dtex->handle, |
| blit->dst.box.x, blit->dst.box.y, dst_z, |
| blit->dst.level, dst_face, |
| blit->src.box.width, blit->src.box.height, |
| blit->src.box.depth); |
| |
| svga_define_texture_level(dtex, dst_face, blit->dst.level); |
| svga_set_texture_rendered_to(dtex, dst_face, blit->dst.level); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| |
| /** |
| * A helper function to determine if the specified view format |
| * is compatible with the surface format. |
| * It is compatible if the view format is the same as the surface format, |
| * or the associated svga format for the surface is a typeless format, or |
| * the view format is an adjusted format for BGRX/BGRA resource. |
| */ |
| static bool |
| is_view_format_compatible(enum pipe_format surf_fmt, |
| SVGA3dSurfaceFormat surf_svga_fmt, |
| enum pipe_format view_fmt) |
| { |
| if (surf_fmt == view_fmt || svga_format_is_typeless(surf_svga_fmt)) |
| return true; |
| |
| if ((surf_fmt == PIPE_FORMAT_B8G8R8X8_UNORM && |
| view_fmt == PIPE_FORMAT_B8G8R8A8_UNORM) || |
| (surf_fmt == PIPE_FORMAT_B8G8R8A8_UNORM && |
| view_fmt == PIPE_FORMAT_B8G8R8X8_UNORM)) |
| return true; |
| |
| return false; |
| } |
| |
| |
| /** |
| * Try issuing a quad blit. |
| */ |
| static bool |
| try_blit(struct svga_context *svga, const struct pipe_blit_info *blit_info) |
| { |
| struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws; |
| struct pipe_resource *src = blit_info->src.resource; |
| struct pipe_resource *dst = blit_info->dst.resource; |
| struct pipe_resource *newSrc = NULL; |
| struct pipe_resource *newDst = NULL; |
| bool can_create_src_view; |
| bool can_create_dst_view; |
| bool ret = true; |
| struct pipe_blit_info blit = *blit_info; |
| |
| SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_BLITBLITTER); |
| |
| /** |
| * If format is srgb and blend is enabled then color values need |
| * to be converted into linear format. |
| */ |
| if (is_blending_enabled(svga, &blit)) |
| blit.src.format = util_format_linear(blit.src.format); |
| |
| /* Check if we can create shader resource view and |
| * render target view for the quad blitter to work |
| */ |
| can_create_src_view = |
| is_view_format_compatible(src->format, svga_texture(src)->key.format, |
| blit.src.format); |
| |
| can_create_dst_view = |
| is_view_format_compatible(dst->format, svga_texture(dst)->key.format, |
| blit.dst.format); |
| |
| if ((blit.mask & PIPE_MASK_S) || |
| ((!can_create_dst_view || !can_create_src_view) |
| && !svga_have_vgpu10(svga))) { |
| /* Can't do stencil blits with textured quad blitter */ |
| debug_warn_once("using software stencil blit"); |
| ret = false; |
| goto done; |
| } |
| |
| if (!util_blitter_is_blit_supported(svga->blitter, &blit)) { |
| debug_printf("svga: blit unsupported %s -> %s\n", |
| util_format_short_name(blit.src.resource->format), |
| util_format_short_name(blit.dst.resource->format)); |
| ret = false; |
| goto done; |
| } |
| |
| /* XXX turn off occlusion and streamout queries */ |
| |
| util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb); |
| util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems); |
| util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs); |
| util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs); |
| util_blitter_save_so_targets(svga->blitter, svga->num_so_targets, |
| (struct pipe_stream_output_target**)svga->so_targets); |
| util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast); |
| util_blitter_save_viewport(svga->blitter, &svga->curr.viewport); |
| util_blitter_save_scissor(svga->blitter, &svga->curr.scissor); |
| util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs); |
| util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend); |
| util_blitter_save_depth_stencil_alpha(svga->blitter, |
| (void*)svga->curr.depth); |
| util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref); |
| util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask); |
| util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer); |
| util_blitter_save_fragment_sampler_states(svga->blitter, |
| svga->curr.num_samplers[PIPE_SHADER_FRAGMENT], |
| (void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]); |
| util_blitter_save_fragment_sampler_views(svga->blitter, |
| svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT], |
| svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]); |
| |
| if (!can_create_src_view) { |
| struct pipe_resource template; |
| struct pipe_blit_info copy_region_blit; |
| |
| /** |
| * If the source blit format is not compatible with the source resource |
| * format, we will not be able to create a shader resource view. |
| * In order to avoid falling back to software blit, we'll create |
| * a new resource in the blit format, and use DXCopyResource to |
| * copy from the original format to the new format. The new |
| * resource will be used for the blit in util_blitter_blit(). |
| */ |
| template = *src; |
| template.format = blit.src.format; |
| newSrc = svga_texture_create(svga->pipe.screen, &template); |
| if (newSrc == NULL) { |
| debug_printf("svga_blit: fails to create temporary src\n"); |
| ret = false; |
| goto done; |
| } |
| |
| /* increment the mksStats for blitter with extra copy */ |
| SVGA_STATS_COUNT_INC(sws, SVGA_STATS_COUNT_BLITBLITTERCOPY); |
| build_blit_info(newSrc, |
| blit.src.level, blit.src.box.x, |
| blit.src.box.y, blit.src.box.z, |
| blit.src.resource, |
| blit.src.level, &blit.src.box, |
| ©_region_blit); |
| if (!try_copy_region(svga, ©_region_blit)) { |
| debug_printf("svga: Source blit format conversion failed.\n"); |
| ret = false; |
| goto done; |
| } |
| |
| blit.src.resource = newSrc; |
| } |
| |
| if (!can_create_dst_view) { |
| struct pipe_resource template; |
| |
| /* |
| * If the destination blit format is not compatible with the destination |
| * resource format, we will not be able to create a render target view. |
| * In order to avoid falling back to software blit, we'll create |
| * a new resource in the blit format, and use DXPredCopyRegion |
| * after the blit to copy from the blit format back to the resource |
| * format. |
| */ |
| template = *dst; |
| template.format = blit.dst.format; |
| newDst = svga_texture_create(svga->pipe.screen, &template); |
| if (newDst == NULL) { |
| debug_printf("svga_blit: fails to create temporary dst\n"); |
| ret = false; |
| goto done; |
| } |
| |
| blit.dst.resource = newDst; |
| } |
| |
| svga_toggle_render_condition(svga, blit.render_condition_enable, FALSE); |
| |
| util_blitter_blit(svga->blitter, &blit); |
| |
| svga_toggle_render_condition(svga, blit.render_condition_enable, TRUE); |
| |
| if (blit.dst.resource != dst) { |
| struct pipe_blit_info copy_region_blit; |
| |
| /* increment the mksStats for blitter with extra copy */ |
| SVGA_STATS_COUNT_INC(sws, SVGA_STATS_COUNT_BLITBLITTERCOPY); |
| |
| /* |
| * A temporary resource was created for the blit, we need to |
| * copy from the temporary resource back to the original destination. |
| */ |
| build_blit_info(dst, |
| blit.dst.level, blit.dst.box.x, |
| blit.dst.box.y, blit.dst.box.z, |
| newDst, |
| blit.dst.level, &blit.dst.box, |
| ©_region_blit); |
| if (!try_copy_region(svga, ©_region_blit)) { |
| debug_printf("svga: Destination blit format conversion failed.\n"); |
| ret = false; |
| goto done; |
| } |
| } |
| |
| done: |
| /* unreference the temporary resources if needed */ |
| pipe_resource_reference(&newDst, NULL); |
| pipe_resource_reference(&newSrc, NULL); |
| |
| SVGA_STATS_TIME_POP(sws); /* SVGA_STATS_TIME_BLITBLITTER */ |
| (void) sws; |
| |
| return ret; |
| } |
| |
| |
| /** |
| * Try a cpu copy_region fallback. |
| */ |
| static bool |
| try_cpu_copy_region(struct svga_context *svga, |
| const struct pipe_blit_info *blit) |
| { |
| if (util_can_blit_via_copy_region(blit, TRUE) || |
| util_can_blit_via_copy_region(blit, FALSE)) { |
| |
| if (svga->render_condition && blit->render_condition_enable) { |
| debug_warning("CPU copy_region doesn't support " |
| "conditional rendering.\n"); |
| return false; |
| } |
| |
| copy_region_fallback(svga, blit->dst.resource, |
| blit->dst.level, |
| blit->dst.box.x, blit->dst.box.y, |
| blit->dst.box.z, blit->src.resource, |
| blit->src.level, &blit->src.box); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| |
| /** |
| * The pipe::blit member. |
| */ |
| static void |
| svga_blit(struct pipe_context *pipe, |
| const struct pipe_blit_info *blit) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct svga_winsys_screen *sws = svga_screen(pipe->screen)->sws; |
| |
| if (!svga_have_vgpu10(svga) && |
| blit->src.resource->nr_samples > 1 && |
| blit->dst.resource->nr_samples <= 1 && |
| !util_format_is_depth_or_stencil(blit->src.resource->format) && |
| !util_format_is_pure_integer(blit->src.resource->format)) { |
| debug_printf("svga: color resolve unimplemented\n"); |
| return; |
| } |
| |
| SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_BLIT); |
| |
| if (try_copy_region(svga, blit)) |
| goto done; |
| |
| if (try_blit(svga, blit)) |
| goto done; |
| |
| if (!try_cpu_copy_region(svga, blit)) |
| debug_printf("svga: Blit failed.\n"); |
| |
| done: |
| SVGA_STATS_TIME_POP(sws); /* SVGA_STATS_TIME_BLIT */ |
| (void) sws; |
| } |
| |
| |
| /** |
| * The pipe::resource_copy_region member. |
| */ |
| static void |
| svga_resource_copy_region(struct pipe_context *pipe, |
| struct pipe_resource *dst_tex, |
| unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src_tex, |
| unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws; |
| |
| SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_COPYREGION); |
| |
| if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) { |
| /* can't copy within the same buffer, unfortunately */ |
| if (svga_have_vgpu10(svga) && src_tex != dst_tex) { |
| enum pipe_error ret; |
| struct svga_winsys_surface *src_surf; |
| struct svga_winsys_surface *dst_surf; |
| struct svga_buffer *dbuffer = svga_buffer(dst_tex); |
| struct svga_buffer *sbuffer = svga_buffer(src_tex); |
| |
| src_surf = svga_buffer_handle(svga, src_tex, sbuffer->bind_flags); |
| dst_surf = svga_buffer_handle(svga, dst_tex, dbuffer->bind_flags); |
| |
| ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf, |
| src_box->x, dstx, src_box->width); |
| if (ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf, |
| src_box->x, dstx, src_box->width); |
| assert(ret == PIPE_OK); |
| } |
| |
| dbuffer->dirty = TRUE; |
| } |
| else { |
| /* use map/memcpy fallback */ |
| copy_region_fallback(svga, dst_tex, dst_level, dstx, |
| dsty, dstz, src_tex, src_level, src_box); |
| } |
| } else { |
| struct pipe_blit_info blit; |
| |
| build_blit_info(dst_tex, dst_level, dstx, dsty, dstz, |
| src_tex, src_level, src_box, &blit); |
| |
| if (try_copy_region(svga, &blit)) |
| goto done; |
| |
| /* Blits are format-converting which is not what we want, so perform a |
| * strict format-check. |
| * FIXME: Need to figure out why srgb blits (tf2) and |
| * 3D blits (piglit) are broken here. Perhaps we set up the |
| * struct pipe_blit_info incorrectly. |
| */ |
| if (src_tex->format == dst_tex->format && |
| !util_format_is_srgb(src_tex->format) && |
| svga_resource_type(src_tex->target) != SVGA3D_RESOURCE_TEXTURE3D && |
| try_blit(svga, &blit)) |
| goto done; |
| |
| copy_region_fallback(svga, dst_tex, dst_level, dstx, dsty, dstz, |
| src_tex, src_level, src_box); |
| } |
| |
| done: |
| SVGA_STATS_TIME_POP(sws); |
| (void) sws; |
| } |
| |
| |
| /** |
| * The pipe::flush_resource member. |
| */ |
| static void |
| svga_flush_resource(struct pipe_context *pipe, |
| struct pipe_resource *resource) |
| { |
| } |
| |
| |
| /** |
| * Setup the pipe blit, resource_copy_region and flush_resource members. |
| */ |
| void |
| svga_init_blit_functions(struct svga_context *svga) |
| { |
| svga->pipe.resource_copy_region = svga_resource_copy_region; |
| svga->pipe.blit = svga_blit; |
| svga->pipe.flush_resource = svga_flush_resource; |
| } |