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Code Issues Packages Projects Releases Wiki Activity

Out of bound blit (#6531)

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* Fix out of bound blit error

* Fix code read

* Fix ci error

Co-authored-by: Feng Chen <chen.feng@gloritysolutions.com>
This commit is contained in:
Feng Chen 2021-07-09 02:06:09 +08:00 committed by GitHub
parent 92a3daf029
commit c7ad195fd3
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 36 additions and 59 deletions
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22
src/video_core/engines/fermi_2d.cpp
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@ -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<s32>((args.du_dx * args.dst_width + args.src_x0) >> 32),
.src_y1 = static_cast<s32>((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<s32>(src.width) == config.src_x1 &&
config.src_x1 > static_cast<s32>(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<u32>(address >> 32);
src.addr_lower = static_cast<u32>(address);
src.width -= config.src_x0;
config.src_x1 -= config.src_x0;
config.src_x0 = 0;
}
if (!rasterizer->AccelerateSurfaceCopy(src, regs.dst, config)) {
UNIMPLEMENTED();
}
}

73
src/video_core/texture_cache/texture_cache.h
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@ -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<Region2D> src_region_override = {},
std::optional<Region2D> 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<P>::UnmapGPUMemory(GPUVAddr gpu_addr, size_t size) {
template <class P>
void TextureCache<P>::BlitImage(const Tegra::Engines::Fermi2D::Surface& dst,
const Tegra::Engines::Fermi2D::Surface& src,
const Tegra::Engines::Fermi2D::Config& copy,
std::optional<Region2D> src_override,
std::optional<Region2D> 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<P>::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<s32>(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<P>::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 <class P>