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- GPU: Removal of deprecated TextureInfo fields.

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- GPU: Replicated removed deprecated fields into local struct for GL.
- GPU: Improved texture copies for Vulkan, no more pitch changes.
- GPU: Stubbed code for CTX1 conversion in Vulkan.
This commit is contained in:
gibbed
2017-08-07 19:30:06 -05:00
parent 906f24cb1a
commit b4ae5b9a01
5 changed files with 344 additions and 415 deletions
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528
src/xenia/gpu/vulkan/texture_cache.cc
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@@ -98,7 +98,7 @@ static const TextureConfig texture_configs[64] = {
{TextureFormat::k_32_32_32_FLOAT, VK_FORMAT_R32G32B32_SFLOAT},
{TextureFormat::k_DXT3A, VK_FORMAT_UNDEFINED},
{TextureFormat::k_DXT5A, VK_FORMAT_UNDEFINED},
{TextureFormat::k_CTX1, VK_FORMAT_UNDEFINED},
{TextureFormat::k_CTX1, VK_FORMAT_R8G8_UINT},
{TextureFormat::k_DXT3A_AS_1_1_1_1, VK_FORMAT_UNDEFINED},
{TextureFormat::kUnknown, VK_FORMAT_UNDEFINED},
{TextureFormat::kUnknown, VK_FORMAT_UNDEFINED},
@@ -545,29 +545,7 @@ TextureCache::Texture* TextureCache::Demand(const TextureInfo& texture_info,
trace_writer_->WriteMemoryRead(texture_info.guest_address,
texture_info.input_length);
bool uploaded = false;
switch (texture_info.dimension) {
case Dimension::k1D: {
uploaded = UploadTexture1D(command_buffer, completion_fence, texture,
texture_info);
} break;
case Dimension::k2D: {
uploaded = UploadTexture2D(command_buffer, completion_fence, texture,
texture_info);
} break;
case Dimension::kCube: {
uploaded = UploadTextureCube(command_buffer, completion_fence, texture,
texture_info);
} break;
default:
assert_unhandled_case(texture_info.dimension);
break;
}
if (!uploaded) {
if (!UploadTexture(command_buffer, completion_fence, texture, texture_info)) {
FreeTexture(texture);
return nullptr;
}
@@ -578,7 +556,7 @@ TextureCache::Texture* TextureCache::Demand(const TextureInfo& texture_info,
VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
xe::format_string(
"0x%.8X - 0x%.8X", texture_info.guest_address,
texture_info.guest_address + texture_info.output_length));
texture_info.guest_address + texture_info.input_length));
// Okay. Now that the texture is uploaded from system memory, put a writewatch
// on it to tell us if it's been modified from the guest.
@@ -912,169 +890,230 @@ void TextureCache::FlushPendingCommands(VkCommandBuffer command_buffer,
vkBeginCommandBuffer(command_buffer, &begin_info);
}
void TextureCache::ConvertTexture1D(uint8_t* dest, const TextureInfo& src) {
bool TextureCache::ConvertTexture1D(uint8_t* dest,
VkBufferImageCopy* copy_region,
const TextureInfo& src) {
void* host_address = memory_->TranslatePhysical(src.guest_address);
if (!src.is_tiled) {
if (src.size_1d.input_pitch == src.size_1d.output_pitch) {
TextureSwap(src.endianness, dest, host_address, src.output_length);
if (src.texture_format == TextureFormat::k_CTX1) {
assert_always();
} else {
if (!src.is_tiled) {
TextureSwap(src.endianness, dest, host_address, src.input_length);
copy_region->bufferRowLength = src.size_1d.input_width;
copy_region->bufferImageHeight = 1;
copy_region->imageExtent = {src.size_1d.logical_width, 1, 1};
return true;
} else {
assert_always();
}
} else {
assert_always();
}
return false;
}
void TextureCache::ConvertTexture2D(uint8_t* dest, const TextureInfo& src) {
bool TextureCache::ConvertTexture2D(uint8_t* dest,
VkBufferImageCopy* copy_region,
const TextureInfo& src) {
void* host_address = memory_->TranslatePhysical(src.guest_address);
if (!src.is_tiled) {
uint32_t offset_x, offset_y;
if (src.has_packed_mips &&
TextureInfo::GetPackedTileOffset(src, &offset_x, &offset_y)) {
if (src.texture_format == TextureFormat::k_CTX1) {
assert_always();
} else {
if (!src.is_tiled) {
uint32_t offset_x, offset_y;
if (src.has_packed_mips &&
TextureInfo::GetPackedTileOffset(src, &offset_x, &offset_y)) {
uint32_t bytes_per_block = src.format_info()->block_width *
src.format_info()->block_height *
src.format_info()->bits_per_pixel / 8;
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
src_mem += offset_y * src.size_2d.input_pitch;
src_mem += offset_x * bytes_per_block;
for (uint32_t y = 0;
y < std::min(src.size_2d.block_height, src.size_2d.logical_height);
y++) {
TextureSwap(src.endianness, dest, src_mem, src.size_2d.input_pitch);
src_mem += src.size_2d.input_pitch;
dest += src.size_2d.input_pitch;
}
copy_region->bufferRowLength = src.size_2d.input_width;
copy_region->bufferImageHeight = src.size_2d.input_height;
copy_region->imageExtent = {src.size_2d.logical_width,
src.size_2d.logical_height, 1};
return true;
} else {
// Fast path copy entire image.
TextureSwap(src.endianness, dest, host_address, src.input_length);
copy_region->bufferRowLength = src.size_2d.input_width;
copy_region->bufferImageHeight = src.size_2d.input_height;
copy_region->imageExtent = {src.size_2d.logical_width,
src.size_2d.logical_height, 1};
return true;
}
} else {
// Untile image.
// We could do this in a shader to speed things up, as this is pretty
// slow.
// TODO(benvanik): optimize this inner loop (or work by tiles).
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
uint32_t bytes_per_block = src.format_info()->block_width *
src.format_info()->block_height *
src.format_info()->bits_per_pixel / 8;
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
src_mem += offset_y * src.size_2d.input_pitch;
src_mem += offset_x * bytes_per_block;
uint32_t pitch =
std::min(src.size_2d.input_pitch, src.size_2d.output_pitch);
for (uint32_t y = 0;
y < std::min(src.size_2d.block_height, src.size_2d.logical_height);
y++) {
TextureSwap(src.endianness, dest, src_mem, pitch);
src_mem += src.size_2d.input_pitch;
dest += src.size_2d.output_pitch;
}
} else if (src.size_2d.input_pitch == src.size_2d.output_pitch) {
// Fast path copy entire image.
TextureSwap(src.endianness, dest, host_address, src.output_length);
} else {
// Slow path copy row-by-row because strides differ.
// UNPACK_ROW_LENGTH only works for uncompressed images, and likely does
// this exact thing under the covers, so we just always do it here.
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
uint32_t pitch =
std::min(src.size_2d.input_pitch, src.size_2d.output_pitch);
for (uint32_t y = 0;
y < std::min(src.size_2d.block_height, src.size_2d.logical_height);
y++) {
TextureSwap(src.endianness, dest, src_mem, pitch);
src_mem += src.size_2d.input_pitch;
dest += src.size_2d.output_pitch;
}
}
} else {
// Untile image.
// We could do this in a shader to speed things up, as this is pretty slow.
// Tiled textures can be packed; get the offset into the packed texture.
uint32_t offset_x;
uint32_t offset_y;
TextureInfo::GetPackedTileOffset(src, &offset_x, &offset_y);
auto log2_bpp = (bytes_per_block >> 2) +
((bytes_per_block >> 1) >> (bytes_per_block >> 2));
// TODO(benvanik): optimize this inner loop (or work by tiles).
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
uint32_t bytes_per_block = src.format_info()->block_width *
src.format_info()->block_height *
src.format_info()->bits_per_pixel / 8;
// Offset to the current row, in bytes.
uint32_t output_row_offset = 0;
for (uint32_t y = 0; y < src.size_2d.block_height; y++) {
auto input_row_offset = TextureInfo::TiledOffset2DOuter(
offset_y + y, src.size_2d.block_width, log2_bpp);
// Tiled textures can be packed; get the offset into the packed texture.
uint32_t offset_x;
uint32_t offset_y;
TextureInfo::GetPackedTileOffset(src, &offset_x, &offset_y);
auto log2_bpp = (bytes_per_block >> 2) +
((bytes_per_block >> 1) >> (bytes_per_block >> 2));
// Offset to the current row, in bytes.
uint32_t output_row_offset = 0;
for (uint32_t y = 0; y < src.size_2d.block_height; y++) {
auto input_row_offset = TextureInfo::TiledOffset2DOuter(
offset_y + y, src.size_2d.block_width, log2_bpp);
// Go block-by-block on this row.
uint32_t output_offset = output_row_offset;
for (uint32_t x = 0; x < src.size_2d.block_width; x++) {
auto input_offset =
TextureInfo::TiledOffset2DInner(offset_x + x, offset_y + y,
log2_bpp, input_row_offset) >>
log2_bpp;
TextureSwap(src.endianness, dest + output_offset,
src_mem + input_offset * bytes_per_block, bytes_per_block);
output_offset += bytes_per_block;
}
output_row_offset += src.size_2d.output_pitch;
}
}
}
void TextureCache::ConvertTextureCube(uint8_t* dest, const TextureInfo& src) {
void* host_address = memory_->TranslatePhysical(src.guest_address);
if (!src.is_tiled) {
if (src.size_cube.input_pitch == src.size_cube.output_pitch) {
// Fast path copy entire image.
TextureSwap(src.endianness, dest, host_address, src.output_length);
} else {
// Slow path copy row-by-row because strides differ.
// UNPACK_ROW_LENGTH only works for uncompressed images, and likely does
// this exact thing under the covers, so we just always do it here.
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
for (int face = 0; face < 6; ++face) {
uint32_t pitch =
std::min(src.size_cube.input_pitch, src.size_cube.output_pitch);
for (uint32_t y = 0; y < src.size_cube.block_height; y++) {
TextureSwap(src.endianness, dest, src_mem, pitch);
src_mem += src.size_cube.input_pitch;
dest += src.size_cube.output_pitch;
}
}
}
} else {
// TODO(benvanik): optimize this inner loop (or work by tiles).
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
uint32_t bytes_per_block = src.format_info()->block_width *
src.format_info()->block_height *
src.format_info()->bits_per_pixel / 8;
// Tiled textures can be packed; get the offset into the packed texture.
uint32_t offset_x;
uint32_t offset_y;
TextureInfo::GetPackedTileOffset(src, &offset_x, &offset_y);
auto bpp = (bytes_per_block >> 2) +
((bytes_per_block >> 1) >> (bytes_per_block >> 2));
for (int face = 0; face < 6; ++face) {
for (uint32_t y = 0, output_base_offset = 0;
y < src.size_cube.block_height;
y++, output_base_offset += src.size_cube.output_pitch) {
auto input_base_offset = TextureInfo::TiledOffset2DOuter(
offset_y + y,
(src.size_cube.input_width / src.format_info()->block_width), bpp);
for (uint32_t x = 0, output_offset = output_base_offset;
x < src.size_cube.block_width;
x++, output_offset += bytes_per_block) {
// Go block-by-block on this row.
uint32_t output_offset = output_row_offset;
for (uint32_t x = 0; x < src.size_2d.block_width; x++) {
auto input_offset =
TextureInfo::TiledOffset2DInner(offset_x + x, offset_y + y, bpp,
input_base_offset) >>
bpp;
TextureInfo::TiledOffset2DInner(offset_x + x, offset_y + y,
log2_bpp, input_row_offset) >>
log2_bpp;
TextureSwap(src.endianness, dest + output_offset,
src_mem + input_offset * bytes_per_block,
bytes_per_block);
output_offset += bytes_per_block;
}
output_row_offset += src.size_2d.input_pitch;
}
src_mem += src.size_cube.input_face_length;
dest += src.size_cube.output_face_length;
copy_region->bufferRowLength = src.size_2d.input_width;
copy_region->bufferImageHeight = src.size_2d.input_height;
copy_region->imageExtent = {src.size_2d.logical_width,
src.size_2d.logical_height, 1};
return true;
}
}
return false;
}
bool TextureCache::ConvertTextureCube(uint8_t* dest,
VkBufferImageCopy* copy_region,
const TextureInfo& src) {
void* host_address = memory_->TranslatePhysical(src.guest_address);
if (src.texture_format == TextureFormat::k_CTX1) {
assert_always();
} else {
if (!src.is_tiled) {
// Fast path copy entire image.
TextureSwap(src.endianness, dest, host_address, src.input_length);
copy_region->bufferRowLength = src.size_cube.input_width;
copy_region->bufferImageHeight = src.size_cube.input_height;
copy_region->imageExtent = {src.size_cube.logical_width,
src.size_cube.logical_height, 6};
return true;
} else {
// TODO(benvanik): optimize this inner loop (or work by tiles).
const uint8_t* src_mem = reinterpret_cast<const uint8_t*>(host_address);
uint32_t bytes_per_block = src.format_info()->block_width *
src.format_info()->block_height *
src.format_info()->bits_per_pixel / 8;
// Tiled textures can be packed; get the offset into the packed texture.
uint32_t offset_x;
uint32_t offset_y;
TextureInfo::GetPackedTileOffset(src, &offset_x, &offset_y);
auto bpp = (bytes_per_block >> 2) +
((bytes_per_block >> 1) >> (bytes_per_block >> 2));
for (int face = 0; face < 6; ++face) {
for (uint32_t y = 0, output_base_offset = 0;
y < src.size_cube.block_height;
y++, output_base_offset += src.size_cube.input_pitch) {
auto input_base_offset = TextureInfo::TiledOffset2DOuter(
offset_y + y,
(src.size_cube.input_width / src.format_info()->block_width),
bpp);
for (uint32_t x = 0, output_offset = output_base_offset;
x < src.size_cube.block_width;
x++, output_offset += bytes_per_block) {
auto input_offset =
TextureInfo::TiledOffset2DInner(offset_x + x, offset_y + y, bpp,
input_base_offset) >>
bpp;
TextureSwap(src.endianness, dest + output_offset,
src_mem + input_offset * bytes_per_block,
bytes_per_block);
}
}
src_mem += src.size_cube.input_face_length;
dest += src.size_cube.input_face_length;
}
copy_region->bufferRowLength = src.size_cube.input_width;
copy_region->bufferImageHeight = src.size_cube.input_height;
copy_region->imageExtent = {src.size_cube.logical_width,
src.size_cube.logical_height, 6};
return true;
}
}
return false;
}
bool TextureCache::ConvertTexture(uint8_t* dest, VkBufferImageCopy* copy_region,
const TextureInfo& src) {
switch (src.dimension) {
case Dimension::k1D:
return ConvertTexture1D(dest, copy_region, src);
case Dimension::k2D:
return ConvertTexture2D(dest, copy_region, src);
case Dimension::kCube:
return ConvertTextureCube(dest, copy_region, src);
}
return false;
}
bool TextureCache::ComputeTextureStorage(size_t* output_length,
const TextureInfo& src) {
if (src.texture_format == TextureFormat::k_CTX1) {
switch (src.dimension) {
case Dimension::k1D: {
*output_length = src.size_1d.logical_width * 2;
return true;
}
case Dimension::k2D: {
*output_length =
src.size_2d.logical_width * src.size_2d.logical_height * 2;
return true;
}
case Dimension::kCube: {
*output_length =
src.size_cube.logical_width * src.size_cube.logical_height * 2 * 6;
return true;
}
}
return false;
} else {
*output_length = src.input_length;
return true;
}
}
bool TextureCache::UploadTexture1D(VkCommandBuffer command_buffer,
VkFence completion_fence, Texture* dest,
const TextureInfo& src) {
bool TextureCache::UploadTexture(VkCommandBuffer command_buffer,
VkFence completion_fence, Texture* dest,
const TextureInfo& src) {
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
assert_true(src.dimension == Dimension::k1D);
size_t unpack_length;
if (!ComputeTextureStorage(&unpack_length, src)) {
XELOGW("Failed to compute texture storage");
return false;
}
size_t unpack_length = src.output_length;
if (!staging_buffer_.CanAcquire(unpack_length)) {
// Need to have unique memory for every upload for at least one frame. If we
// run out of memory, we need to flush all queued upload commands to the
@@ -1100,14 +1139,20 @@ bool TextureCache::UploadTexture1D(VkCommandBuffer command_buffer,
// TODO: If the GPU supports it, we can submit a compute batch to convert the
// texture and copy it to its destination. Otherwise, fallback to conversion
// on the CPU.
ConvertTexture1D(reinterpret_cast<uint8_t*>(alloc->host_ptr), src);
staging_buffer_.Flush(alloc);
VkBufferImageCopy copy_region;
if (!ConvertTexture(reinterpret_cast<uint8_t*>(alloc->host_ptr), &copy_region,
src)) {
XELOGW("Failed to convert texture");
return false;
}
// Transition the texture into a transfer destination layout.
VkImageMemoryBarrier barrier;
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.pNext = nullptr;
barrier.srcAccessMask = 0;
// TODO(gibbed): is this correct? 1D+cube had VK_ACCESS_HOST_WRITE_BIT, but
// not 2D.
barrier.dstAccessMask =
VK_ACCESS_TRANSFER_WRITE_BIT | VK_ACCESS_HOST_WRITE_BIT;
barrier.oldLayout = dest->image_layout;
@@ -1116,85 +1161,6 @@ bool TextureCache::UploadTexture1D(VkCommandBuffer command_buffer,
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = dest->image;
barrier.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
// Now move the converted texture into the destination.
VkBufferImageCopy copy_region;
copy_region.bufferOffset = alloc->offset;
copy_region.bufferRowLength = src.size_1d.output_width;
copy_region.bufferImageHeight = 1;
copy_region.imageSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
copy_region.imageOffset = {0, 0, 0};
copy_region.imageExtent = {src.size_1d.output_width, 1, 1};
vkCmdCopyBufferToImage(command_buffer, staging_buffer_.gpu_buffer(),
dest->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1,
&copy_region);
// Now transition the texture into a shader readonly source.
barrier.srcAccessMask = barrier.dstAccessMask;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
barrier.oldLayout = barrier.newLayout;
barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
dest->image_layout = barrier.newLayout;
return true;
}
bool TextureCache::UploadTexture2D(VkCommandBuffer command_buffer,
VkFence completion_fence, Texture* dest,
const TextureInfo& src) {
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
assert_true(src.dimension == Dimension::k2D);
size_t unpack_length = src.output_length;
if (!staging_buffer_.CanAcquire(unpack_length)) {
// Need to have unique memory for every upload for at least one frame. If we
// run out of memory, we need to flush all queued upload commands to the
// GPU.
FlushPendingCommands(command_buffer, completion_fence);
// Uploads have been flushed. Continue.
if (!staging_buffer_.CanAcquire(unpack_length)) {
// The staging buffer isn't big enough to hold this texture.
XELOGE(
"TextureCache staging buffer is too small! (uploading 0x%.8X bytes)",
unpack_length);
assert_always();
return false;
}
}
// Grab some temporary memory for staging.
auto alloc = staging_buffer_.Acquire(unpack_length, completion_fence);
assert_not_null(alloc);
// Upload texture into GPU memory.
// TODO: If the GPU supports it, we can submit a compute batch to convert the
// texture and copy it to its destination. Otherwise, fallback to conversion
// on the CPU.
ConvertTexture2D(reinterpret_cast<uint8_t*>(alloc->host_ptr), src);
staging_buffer_.Flush(alloc);
// Transition the texture into a transfer destination layout.
VkImageMemoryBarrier barrier;
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.pNext = nullptr;
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.oldLayout = dest->image_layout;
barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = dest->image;
barrier.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
if (dest->format == VK_FORMAT_D16_UNORM_S8_UINT ||
dest->format == VK_FORMAT_D24_UNORM_S8_UINT ||
dest->format == VK_FORMAT_D32_SFLOAT_S8_UINT) {
@@ -1207,91 +1173,9 @@ bool TextureCache::UploadTexture2D(VkCommandBuffer command_buffer,
nullptr, 1, &barrier);
// Now move the converted texture into the destination.
VkBufferImageCopy copy_region;
copy_region.bufferOffset = alloc->offset;
copy_region.bufferRowLength = src.size_2d.output_width;
copy_region.bufferImageHeight = src.size_2d.output_height;
copy_region.imageSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
copy_region.imageOffset = {0, 0, 0};
copy_region.imageExtent = {src.size_2d.output_width,
src.size_2d.output_height, 1};
vkCmdCopyBufferToImage(command_buffer, staging_buffer_.gpu_buffer(),
dest->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1,
&copy_region);
// Now transition the texture into a shader readonly source.
barrier.srcAccessMask = barrier.dstAccessMask;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
barrier.oldLayout = barrier.newLayout;
barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
dest->image_layout = barrier.newLayout;
return true;
}
bool TextureCache::UploadTextureCube(VkCommandBuffer command_buffer,
VkFence completion_fence, Texture* dest,
const TextureInfo& src) {
assert_true(src.dimension == Dimension::kCube);
size_t unpack_length = src.output_length;
if (!staging_buffer_.CanAcquire(unpack_length)) {
// Need to have unique memory for every upload for at least one frame. If we
// run out of memory, we need to flush all queued upload commands to the
// GPU.
FlushPendingCommands(command_buffer, completion_fence);
// Uploads have been flushed. Continue.
if (!staging_buffer_.CanAcquire(unpack_length)) {
// The staging buffer isn't big enough to hold this texture.
XELOGE(
"TextureCache staging buffer is too small! (uploading 0x%.8X bytes)",
unpack_length);
assert_always();
return false;
}
}
// Grab some temporary memory for staging.
auto alloc = staging_buffer_.Acquire(unpack_length, completion_fence);
assert_not_null(alloc);
// Upload texture into GPU memory.
// TODO: If the GPU supports it, we can submit a compute batch to convert the
// texture and copy it to its destination. Otherwise, fallback to conversion
// on the CPU.
ConvertTextureCube(reinterpret_cast<uint8_t*>(alloc->host_ptr), src);
staging_buffer_.Flush(alloc);
// Transition the texture into a transfer destination layout.
VkImageMemoryBarrier barrier;
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.pNext = nullptr;
barrier.srcAccessMask = 0;
barrier.dstAccessMask =
VK_ACCESS_TRANSFER_WRITE_BIT | VK_ACCESS_HOST_WRITE_BIT;
barrier.oldLayout = dest->image_layout;
barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = dest->image;
barrier.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
// Now move the converted texture into the destination.
VkBufferImageCopy copy_region;
copy_region.bufferOffset = alloc->offset;
copy_region.bufferRowLength = src.size_cube.output_width;
copy_region.bufferImageHeight = src.size_cube.output_height;
copy_region.imageSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
copy_region.imageOffset = {0, 0, 0};
copy_region.imageExtent = {src.size_cube.output_width,
src.size_cube.output_height, 6};
vkCmdCopyBufferToImage(command_buffer, staging_buffer_.gpu_buffer(),
dest->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1,
&copy_region);