| /********************************************************** |
| * Copyright 2008-2009 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 |
| |
| |
| /** |
| * 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); |
| |
| 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); |
| } |
| |
| |
| /** |
| * 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; |
| } |
| } |
| |
| |
| 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_texture *stex, *dtex; |
| unsigned dst_face_layer, dst_z, src_face_layer, src_z; |
| |
| /* Emit buffered drawing commands, and any back copies. |
| */ |
| svga_surfaces_flush( svga ); |
| |
| 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); |
| |
| src_surf = svga_buffer_handle(svga, src_tex); |
| dst_surf = svga_buffer_handle(svga, dst_tex); |
| |
| 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 */ |
| util_resource_copy_region(pipe, dst_tex, dst_level, dstx, |
| dsty, dstz, src_tex, src_level, src_box); |
| } |
| return; |
| } |
| |
| stex = svga_texture(src_tex); |
| dtex = svga_texture(dst_tex); |
| |
| adjust_z_layer(src_tex->target, src_box->z, &src_face_layer, &src_z); |
| adjust_z_layer(dst_tex->target, dstz, &dst_face_layer, &dst_z); |
| |
| if (svga_have_vgpu10(svga)) { |
| /* vgpu10 */ |
| if (util_format_is_compressed(src_tex->format) == |
| util_format_is_compressed(dst_tex->format) && |
| stex->handle != dtex->handle && |
| svga_resource_type(src_tex->target) == |
| svga_resource_type(dst_tex->target) && |
| stex->b.b.nr_samples == dtex->b.b.nr_samples) { |
| copy_region_vgpu10(svga, |
| src_tex, |
| src_box->x, src_box->y, src_z, |
| src_level, src_face_layer, |
| dst_tex, |
| dstx, dsty, dst_z, |
| dst_level, dst_face_layer, |
| src_box->width, src_box->height, src_box->depth); |
| } |
| else { |
| util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz, |
| src_tex, src_level, src_box); |
| } |
| } |
| else { |
| /* vgpu9 */ |
| if (src_tex->format == dst_tex->format) { |
| svga_texture_copy_handle(svga, |
| stex->handle, |
| src_box->x, src_box->y, src_z, |
| src_level, src_face_layer, |
| dtex->handle, |
| dstx, dsty, dst_z, |
| dst_level, dst_face_layer, |
| src_box->width, src_box->height, |
| src_box->depth); |
| } |
| else { |
| util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz, |
| src_tex, src_level, src_box); |
| } |
| } |
| |
| /* Mark the destination image as being defined */ |
| svga_define_texture_level(dtex, dst_face_layer, dst_level); |
| } |
| |
| |
| /** |
| * Are the given pipe formats compatible, in terms of vgpu10's |
| * PredCopyRegion() command? |
| */ |
| static bool |
| formats_compatible(const struct svga_screen *ss, |
| enum pipe_format src_fmt, |
| enum pipe_format dst_fmt) |
| { |
| SVGA3dSurfaceFormat src_svga_fmt, dst_svga_fmt; |
| |
| src_svga_fmt = svga_translate_format(ss, src_fmt, PIPE_BIND_SAMPLER_VIEW); |
| dst_svga_fmt = svga_translate_format(ss, dst_fmt, PIPE_BIND_SAMPLER_VIEW); |
| |
| 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; |
| } |
| |
| |
| /** |
| * 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; |
| |
| if (!svga_have_vgpu10(svga)) |
| return false; |
| |
| stex = svga_texture(blit_info->src.resource); |
| dtex = svga_texture(blit_info->dst.resource); |
| |
| /* can't copy within one resource */ |
| if (stex->handle == dtex->handle) |
| 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; |
| |
| /* check that the blit src/dst regions are same size, no flipping, etc. */ |
| if (blit_info->src.box.width != blit_info->dst.box.width || |
| blit_info->src.box.height != blit_info->dst.box.height) |
| return false; |
| |
| /* check that sample counts are the same */ |
| if (stex->b.b.nr_samples != dtex->b.b.nr_samples) |
| 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; |
| |
| if (blit_info->alpha_blend || |
| (svga->render_condition && blit_info->render_condition_enable) || |
| blit_info->scissor_enable) |
| return false; |
| |
| return formats_compatible(svga_screen(svga->pipe.screen), |
| blit_info->src.resource->format, |
| blit_info->dst.resource->format); |
| } |
| |
| |
| /** |
| * 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; |
| } |
| |
| |
| static void |
| svga_blit(struct pipe_context *pipe, |
| const struct pipe_blit_info *blit_info) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct pipe_blit_info blit = *blit_info; |
| struct pipe_resource *src = blit.src.resource; |
| struct pipe_resource *dst = blit.dst.resource; |
| struct pipe_resource *newSrc = NULL; |
| struct pipe_resource *newDst = NULL; |
| bool can_create_src_view; |
| bool can_create_dst_view; |
| |
| 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; |
| } |
| |
| if (can_blit_via_copy_region_vgpu10(svga, blit_info)) { |
| unsigned src_face, src_z, dst_face, dst_z; |
| |
| 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); |
| |
| 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); |
| return; |
| } |
| |
| if (util_can_blit_via_copy_region(blit_info, TRUE) || |
| util_can_blit_via_copy_region(blit_info, FALSE)) { |
| util_resource_copy_region(pipe, 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; /* done */ |
| } |
| |
| /* 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)) || |
| !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)); |
| return; |
| } |
| |
| /* 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]); |
| /*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query, |
| svga->render_cond_cond, svga->render_cond_mode);*/ |
| |
| if (!can_create_src_view) { |
| struct pipe_resource template; |
| unsigned src_face, src_z; |
| |
| /** |
| * 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"); |
| return; |
| } |
| |
| /* Copy from original resource to the temporary resource */ |
| adjust_z_layer(blit.src.resource->target, blit.src.box.z, |
| &src_face, &src_z); |
| |
| copy_region_vgpu10(svga, |
| blit.src.resource, |
| blit.src.box.x, blit.src.box.y, src_z, |
| blit.src.level, src_face, |
| newSrc, |
| blit.src.box.x, blit.src.box.y, src_z, |
| blit.src.level, src_face, |
| blit.src.box.width, blit.src.box.height, |
| blit.src.box.depth); |
| |
| 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"); |
| return; |
| } |
| |
| blit.dst.resource = newDst; |
| } |
| |
| util_blitter_blit(svga->blitter, &blit); |
| |
| if (blit.dst.resource != dst) { |
| unsigned dst_face, dst_z; |
| |
| adjust_z_layer(blit.dst.resource->target, blit.dst.box.z, |
| &dst_face, &dst_z); |
| |
| /** |
| * A temporary resource was created for the blit, we need to |
| * copy from the temporary resource back to the original destination. |
| */ |
| copy_region_vgpu10(svga, |
| blit.dst.resource, |
| blit.dst.box.x, blit.dst.box.y, dst_z, |
| blit.dst.level, dst_face, |
| dst, |
| blit.dst.box.x, blit.dst.box.y, dst_z, |
| blit.dst.level, dst_face, |
| blit.dst.box.width, blit.dst.box.height, |
| blit.dst.box.depth); |
| |
| /* unreference the temporary resource */ |
| pipe_resource_reference(&newDst, NULL); |
| blit.dst.resource = dst; |
| } |
| |
| if (blit.src.resource != src) { |
| /* unreference the temporary resource */ |
| pipe_resource_reference(&newSrc, NULL); |
| blit.src.resource = src; |
| } |
| } |
| |
| |
| static void |
| svga_flush_resource(struct pipe_context *pipe, |
| struct pipe_resource *resource) |
| { |
| } |
| |
| |
| 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; |
| } |