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Vulkan: Clamp framebuffer resolve rectangle to texture size

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This is invalid and was causing the NVIDIA driver to throw an error.
This commit is contained in:
Stenzek 2017-04-15 19:55:32 +10:00
parent eef7b6cf7a
commit 69b0a31938
5 changed files with 32 additions and 7 deletions
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6
Source/Core/VideoBackends/Vulkan/FramebufferManager.cpp
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@ -462,6 +462,12 @@ Texture2D* FramebufferManager::ResolveEFBColorTexture(const VkRect2D& region)
// Can't resolve within a render pass.
StateTracker::GetInstance()->EndRenderPass();
// It's not valid to resolve out-of-bounds coordinates.
// Ensuring the region is within the image is the caller's responsibility.
_assert_(region.offset.x >= 0 && region.offset.y >= 0 &&
(static_cast<u32>(region.offset.x) + region.extent.width) <= m_efb_width &&
(static_cast<u32>(region.offset.y) + region.extent.height) <= m_efb_height);
// Resolving is considered to be a transfer operation.
m_efb_color_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);

9
Source/Core/VideoBackends/Vulkan/Renderer.cpp
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@ -587,12 +587,11 @@ void Renderer::ResolveEFBForSwap(const TargetRectangle& scaled_rect)
{
// While the source rect can be out-of-range when drawing, the resolve rectangle must be within
// the bounds of the texture.
TargetRectangle resolve_rect{scaled_rect};
resolve_rect.ClampUL(0, 0, m_target_width, m_target_height);
VkRect2D region = {
{resolve_rect.left, resolve_rect.top},
{static_cast<u32>(resolve_rect.GetWidth()), static_cast<u32>(resolve_rect.GetHeight())}};
{scaled_rect.left, scaled_rect.top},
{static_cast<u32>(scaled_rect.GetWidth()), static_cast<u32>(scaled_rect.GetHeight())}};
region = Util::ClampRect2D(region, FramebufferManager::GetInstance()->GetEFBWidth(),
FramebufferManager::GetInstance()->GetEFBHeight());
FramebufferManager::GetInstance()->ResolveEFBColorTexture(region);
}

11
Source/Core/VideoBackends/Vulkan/TextureCache.cpp
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@ -96,11 +96,14 @@ void TextureCache::CopyEFB(u8* dst, const EFBCopyFormat& format, u32 native_widt
FramebufferManager::GetInstance()->FlushEFBPokes();
// MSAA case where we need to resolve first.
// TODO: Do in one pass.
// An out-of-bounds source region is valid here, and fine for the draw (since it is converted
// to texture coordinates), but it's not valid to resolve an out-of-range rectangle.
TargetRectangle scaled_src_rect = g_renderer->ConvertEFBRectangle(src_rect);
VkRect2D region = {{scaled_src_rect.left, scaled_src_rect.top},
{static_cast<u32>(scaled_src_rect.GetWidth()),
static_cast<u32>(scaled_src_rect.GetHeight())}};
region = Util::ClampRect2D(region, FramebufferManager::GetInstance()->GetEFBWidth(),
FramebufferManager::GetInstance()->GetEFBHeight());
Texture2D* src_texture;
if (is_depth_copy)
src_texture = FramebufferManager::GetInstance()->ResolveEFBDepthTexture(region);
@ -465,10 +468,14 @@ void TextureCache::TCacheEntry::FromRenderTarget(bool is_depth_copy, const EFBRe
VkCommandBuffer command_buffer = g_command_buffer_mgr->GetCurrentCommandBuffer();
StateTracker::GetInstance()->EndRenderPass();
// Transition EFB to shader resource before binding
// Transition EFB to shader resource before binding.
// An out-of-bounds source region is valid here, and fine for the draw (since it is converted
// to texture coordinates), but it's not valid to resolve an out-of-range rectangle.
VkRect2D region = {{scaled_src_rect.left, scaled_src_rect.top},
{static_cast<u32>(scaled_src_rect.GetWidth()),
static_cast<u32>(scaled_src_rect.GetHeight())}};
region = Util::ClampRect2D(region, FramebufferManager::GetInstance()->GetEFBWidth(),
FramebufferManager::GetInstance()->GetEFBHeight());
Texture2D* src_texture;
if (is_depth_copy)
src_texture = FramebufferManager::GetInstance()->ResolveEFBDepthTexture(region);

10
Source/Core/VideoBackends/Vulkan/Util.cpp
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@ -97,6 +97,16 @@ u32 GetTexelSize(VkFormat format)
}
}
VkRect2D ClampRect2D(const VkRect2D& rect, u32 width, u32 height)
{
VkRect2D out;
out.offset.x = MathUtil::Clamp(rect.offset.x, 0, static_cast<int32_t>(width - 1));
out.offset.y = MathUtil::Clamp(rect.offset.y, 0, static_cast<int32_t>(height - 1));
out.extent.width = std::min(rect.extent.width, width - static_cast<uint32_t>(rect.offset.x));
out.extent.height = std::min(rect.extent.height, height - static_cast<uint32_t>(rect.offset.y));
return out;
}
VkBlendFactor GetAlphaBlendFactor(VkBlendFactor factor)
{
switch (factor)

3
Source/Core/VideoBackends/Vulkan/Util.h
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@ -27,6 +27,9 @@ bool IsDepthFormat(VkFormat format);
VkFormat GetLinearFormat(VkFormat format);
u32 GetTexelSize(VkFormat format);
// Clamps a VkRect2D to the specified dimensions.
VkRect2D ClampRect2D(const VkRect2D& rect, u32 width, u32 height);
// Map {SRC,DST}_COLOR to {SRC,DST}_ALPHA
VkBlendFactor GetAlphaBlendFactor(VkBlendFactor factor);