From c7ad195fd3eeea380465be48264f4e69165178c7 Mon Sep 17 00:00:00 2001 From: Feng Chen Date: Fri, 9 Jul 2021 02:06:09 +0800 Subject: [PATCH] Out of bound blit (#6531) * Fix out of bound blit error * Fix code read * Fix ci error Co-authored-by: Feng Chen --- src/video_core/engines/fermi_2d.cpp | 22 +++++- src/video_core/texture_cache/texture_cache.h | 73 +++++--------------- 2 files changed, 36 insertions(+), 59 deletions(-) diff --git a/src/video_core/engines/fermi_2d.cpp b/src/video_core/engines/fermi_2d.cpp index 0f640fdae..f26530ede 100644 --- a/src/video_core/engines/fermi_2d.cpp +++ b/src/video_core/engines/fermi_2d.cpp @@ -7,6 +7,10 @@ #include "video_core/engines/fermi_2d.h" #include "video_core/memory_manager.h" #include "video_core/rasterizer_interface.h" +#include "video_core/surface.h" + +using VideoCore::Surface::BytesPerBlock; +using VideoCore::Surface::PixelFormatFromRenderTargetFormat; namespace Tegra::Engines { @@ -49,7 +53,7 @@ void Fermi2D::Blit() { UNIMPLEMENTED_IF_MSG(regs.clip_enable != 0, "Clipped blit enabled"); const auto& args = regs.pixels_from_memory; - const Config config{ + Config config{ .operation = regs.operation, .filter = args.sample_mode.filter, .dst_x0 = args.dst_x0, @@ -61,7 +65,21 @@ void Fermi2D::Blit() { .src_x1 = static_cast((args.du_dx * args.dst_width + args.src_x0) >> 32), .src_y1 = static_cast((args.dv_dy * args.dst_height + args.src_y0) >> 32), }; - if (!rasterizer->AccelerateSurfaceCopy(regs.src, regs.dst, config)) { + Surface src = regs.src; + const auto bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(src.format)); + const auto need_align_to_pitch = + src.linear == Tegra::Engines::Fermi2D::MemoryLayout::Pitch && + static_cast(src.width) == config.src_x1 && + config.src_x1 > static_cast(src.pitch / bytes_per_pixel) && config.src_x0 > 0; + if (need_align_to_pitch) { + auto address = src.Address() + config.src_x0 * bytes_per_pixel; + src.addr_upper = static_cast(address >> 32); + src.addr_lower = static_cast(address); + src.width -= config.src_x0; + config.src_x1 -= config.src_x0; + config.src_x0 = 0; + } + if (!rasterizer->AccelerateSurfaceCopy(src, regs.dst, config)) { UNIMPLEMENTED(); } } diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h index e3542301e..01de2d498 100644 --- a/src/video_core/texture_cache/texture_cache.h +++ b/src/video_core/texture_cache/texture_cache.h @@ -159,9 +159,7 @@ public: /// Blit an image with the given parameters void BlitImage(const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Surface& src, - const Tegra::Engines::Fermi2D::Config& copy, - std::optional src_region_override = {}, - std::optional dst_region_override = {}); + const Tegra::Engines::Fermi2D::Config& copy); /// Invalidate the contents of the color buffer index /// These contents become unspecified, the cache can assume aggressive optimizations. @@ -760,9 +758,7 @@ void TextureCache

::UnmapGPUMemory(GPUVAddr gpu_addr, size_t size) { template void TextureCache

::BlitImage(const Tegra::Engines::Fermi2D::Surface& dst, const Tegra::Engines::Fermi2D::Surface& src, - const Tegra::Engines::Fermi2D::Config& copy, - std::optional src_override, - std::optional dst_override) { + const Tegra::Engines::Fermi2D::Config& copy) { const BlitImages images = GetBlitImages(dst, src); const ImageId dst_id = images.dst_id; const ImageId src_id = images.src_id; @@ -773,47 +769,25 @@ void TextureCache

::BlitImage(const Tegra::Engines::Fermi2D::Surface& dst, const ImageBase& src_image = slot_images[src_id]; // TODO: Deduplicate - const std::optional dst_base = dst_image.TryFindBase(dst.Address()); - const SubresourceRange dst_range{.base = dst_base.value(), .extent = {1, 1}}; - const ImageViewInfo dst_view_info(ImageViewType::e2D, images.dst_format, dst_range); - const auto [dst_framebuffer_id, dst_view_id] = RenderTargetFromImage(dst_id, dst_view_info); - const auto [src_samples_x, src_samples_y] = SamplesLog2(src_image.info.num_samples); - - // out of bounds texture blit checking - const bool use_override = src_override.has_value(); - const s32 src_x0 = copy.src_x0 >> src_samples_x; - s32 src_x1 = use_override ? src_override->end.x : copy.src_x1 >> src_samples_x; - const s32 src_y0 = copy.src_y0 >> src_samples_y; - const s32 src_y1 = copy.src_y1 >> src_samples_y; - - const auto src_width = static_cast(src_image.info.size.width); - const bool width_oob = src_x1 > src_width; - const auto width_diff = width_oob ? src_x1 - src_width : 0; - if (width_oob) { - src_x1 = src_width; - } - - const Region2D src_dimensions{ - Offset2D{.x = src_x0, .y = src_y0}, - Offset2D{.x = src_x1, .y = src_y1}, - }; - const auto src_region = use_override ? *src_override : src_dimensions; - const std::optional src_base = src_image.TryFindBase(src.Address()); const SubresourceRange src_range{.base = src_base.value(), .extent = {1, 1}}; const ImageViewInfo src_view_info(ImageViewType::e2D, images.src_format, src_range); const auto [src_framebuffer_id, src_view_id] = RenderTargetFromImage(src_id, src_view_info); - const auto [dst_samples_x, dst_samples_y] = SamplesLog2(dst_image.info.num_samples); - - const s32 dst_x0 = copy.dst_x0 >> dst_samples_x; - const s32 dst_x1 = copy.dst_x1 >> dst_samples_x; - const s32 dst_y0 = copy.dst_y0 >> dst_samples_y; - const s32 dst_y1 = copy.dst_y1 >> dst_samples_y; - const Region2D dst_dimensions{ - Offset2D{.x = dst_x0, .y = dst_y0}, - Offset2D{.x = dst_x1 - width_diff, .y = dst_y1}, + const auto [src_samples_x, src_samples_y] = SamplesLog2(src_image.info.num_samples); + const Region2D src_region{ + Offset2D{.x = copy.src_x0 >> src_samples_x, .y = copy.src_y0 >> src_samples_y}, + Offset2D{.x = copy.src_x1 >> src_samples_x, .y = copy.src_y1 >> src_samples_y}, + }; + + const std::optional dst_base = dst_image.TryFindBase(dst.Address()); + const SubresourceRange dst_range{.base = dst_base.value(), .extent = {1, 1}}; + const ImageViewInfo dst_view_info(ImageViewType::e2D, images.dst_format, dst_range); + const auto [dst_framebuffer_id, dst_view_id] = RenderTargetFromImage(dst_id, dst_view_info); + const auto [dst_samples_x, dst_samples_y] = SamplesLog2(dst_image.info.num_samples); + const Region2D dst_region{ + Offset2D{.x = copy.dst_x0 >> dst_samples_x, .y = copy.dst_y0 >> dst_samples_y}, + Offset2D{.x = copy.dst_x1 >> dst_samples_x, .y = copy.dst_y1 >> dst_samples_y}, }; - const auto dst_region = use_override ? *dst_override : dst_dimensions; // Always call this after src_framebuffer_id was queried, as the address might be invalidated. Framebuffer* const dst_framebuffer = &slot_framebuffers[dst_framebuffer_id]; @@ -830,21 +804,6 @@ void TextureCache

::BlitImage(const Tegra::Engines::Fermi2D::Surface& dst, runtime.BlitImage(dst_framebuffer, dst_view, src_view, dst_region, src_region, copy.filter, copy.operation); } - - if (width_oob) { - // Continue copy of the oob region of the texture on the next row - auto oob_src = src; - oob_src.height++; - const Region2D src_region_override{ - Offset2D{.x = 0, .y = src_y0 + 1}, - Offset2D{.x = width_diff, .y = src_y1 + 1}, - }; - const Region2D dst_region_override{ - Offset2D{.x = dst_x1 - width_diff, .y = dst_y0}, - Offset2D{.x = dst_x1, .y = dst_y1}, - }; - BlitImage(dst, oob_src, copy, src_region_override, dst_region_override); - } } template