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GPU/Software: Reduce number of copies by one, enable 16-bit scanout

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This commit is contained in:
Connor McLaughlin
2020-10-22 01:25:33 +10:00
parent beffbaee39
commit d3d881aa6b
20 changed files with 875 additions and 187 deletions
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52
src/core/host_display.cpp
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@ -1,4 +1,5 @@
#include "host_display.h"
#include "common/assert.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/string_util.h"
@ -35,6 +36,53 @@ bool HostDisplay::ShouldSkipDisplayingFrame()
return false;
}
u32 HostDisplay::GetDisplayPixelFormatSize(HostDisplayPixelFormat format)
{
switch (format)
{
case HostDisplayPixelFormat::RGBA8:
case HostDisplayPixelFormat::BGRA8:
return 4;
case HostDisplayPixelFormat::RGBA5551:
case HostDisplayPixelFormat::RGB565:
return 2;
default:
return 0;
}
}
bool HostDisplay::SetDisplayPixels(HostDisplayPixelFormat format, u32 width, u32 height, const void* buffer, u32 pitch)
{
void* map_ptr;
u32 map_pitch;
if (!BeginSetDisplayPixels(format, width, height, &map_ptr, &map_pitch))
return false;
if (pitch == map_pitch)
{
std::memcpy(map_ptr, buffer, height * map_pitch);
}
else
{
const u32 copy_size = width * GetDisplayPixelFormatSize(format);
DebugAssert(pitch >= copy_size && map_pitch >= copy_size);
const u8* src_ptr = static_cast<const u8*>(buffer);
u8* dst_ptr = static_cast<u8*>(map_ptr);
for (u32 i = 0; i < height; i++)
{
std::memcpy(dst_ptr, src_ptr, copy_size);
src_ptr += pitch;
dst_ptr += map_pitch;
}
}
EndSetDisplayPixels();
return true;
}
void HostDisplay::SetSoftwareCursor(std::unique_ptr<HostDisplayTexture> texture, float scale /*= 1.0f*/)
{
m_cursor_texture = std::move(texture);
@ -327,7 +375,7 @@ bool HostDisplay::WriteTextureToFile(const void* texture_handle, u32 x, u32 y, u
bool HostDisplay::WriteDisplayTextureToFile(const char* filename, bool full_resolution /* = true */,
bool apply_aspect_ratio /* = true */)
{
if (!m_display_texture_handle)
if (!m_display_texture_handle || m_display_texture_format != HostDisplayPixelFormat::RGBA8)
return false;
apply_aspect_ratio = (m_display_aspect_ratio > 0) ? apply_aspect_ratio : false;
@ -394,7 +442,7 @@ bool HostDisplay::WriteDisplayTextureToFile(const char* filename, bool full_reso
bool HostDisplay::WriteDisplayTextureToBuffer(std::vector<u32>* buffer, u32 resize_width /* = 0 */,
u32 resize_height /* = 0 */, bool clear_alpha /* = true */)
{
if (!m_display_texture_handle)
if (!m_display_texture_handle || m_display_texture_format != HostDisplayPixelFormat::RGBA8)
return false;
const bool flip_y = (m_display_texture_view_height < 0);