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update parallel rdp

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This commit is contained in:
Logan McNaughton committed 2022-07-05 10:58:09 -06:00
1 parent ac086b558f
commit 0739a7a9e8
4 files changed
+66 -7
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parallel-rdp-standalone/parallel_imp.cpp
+57 -1
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@@ -21,7 +21,6 @@ static QT_WSIPlatform* wsi_platform;
int32_t vk_rescaling;
bool vk_ssreadbacks;
bool vk_ssdither;
unsigned width, height;
unsigned vk_overscan;
unsigned vk_vertical_stretch;
unsigned vk_downscaling_steps;
@@ -265,6 +264,63 @@ void vk_rasterize()
wsi->begin_frame();
}
void vk_read_screen(unsigned char* dest)
{
Vulkan::Fence fence;
Vulkan::BufferHandle buffer;
Vulkan::BufferCreateInfo info = {};
Vulkan::ImageView* image = &wsi->get_device().get_swapchain_view();
info.size = window_width * window_height * sizeof(uint32_t);
info.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT;
info.domain = Vulkan::BufferDomain::CachedHost;
if (!buffer || buffer->get_create_info().size < info.size)
buffer = wsi->get_device().create_buffer(info);
auto cmd = wsi->get_device().request_command_buffer();
cmd->copy_image_to_buffer(*buffer, image->get_image(), 0, {}, { window_width, window_height, 1 }, 0, 0, { VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1 });
cmd->barrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_ACCESS_TRANSFER_WRITE_BIT,
VK_PIPELINE_STAGE_HOST_BIT, VK_ACCESS_HOST_READ_BIT);
fence.reset();
wsi->get_device().submit(cmd, &fence);
fence->wait();
unsigned char *image_buffer = (unsigned char*)wsi->get_device().map_host_buffer(*buffer, Vulkan::MEMORY_ACCESS_READ_BIT);
image_buffer = image_buffer + info.size;
for (int i = 0; i < window_height; ++i)
{
image_buffer -= window_width * 4;
for (int j = 0; j < window_width; ++j)
{
switch (image->get_format()) {
case VK_FORMAT_B8G8R8A8_UNORM:
dest[0] = image_buffer[2];
dest[1] = image_buffer[1];
dest[2] = image_buffer[0];
break;
case VK_FORMAT_R8G8B8A8_UNORM:
dest[0] = image_buffer[0];
dest[1] = image_buffer[1];
dest[2] = image_buffer[2];
break;
case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
dest[0] = image_buffer[3];
dest[1] = image_buffer[2];
dest[2] = image_buffer[1];
break;
default:
wsi->get_device().unmap_host_buffer(*buffer, Vulkan::MEMORY_ACCESS_READ_BIT);
return;
}
dest += 3;
image_buffer += 4;
}
image_buffer -= window_width * 4;
}
wsi->get_device().unmap_host_buffer(*buffer, Vulkan::MEMORY_ACCESS_READ_BIT);
}
void vk_process_commands()
{
const uint32_t DP_CURRENT = *GET_GFX_INFO(DPC_CURRENT_REG) & 0x00FFFFF8;