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HostDisplay: Common texture base class for all APIs

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This commit is contained in:
Connor McLaughlin
2022-10-03 16:44:34 +10:00
parent 12d400b76a
commit a9038133c8
50 changed files with 1428 additions and 1566 deletions
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88
src/core/host_display.h
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@@ -1,4 +1,5 @@
#pragma once
#include "common/gpu_texture.h"
#include "common/rectangle.h"
#include "common/window_info.h"
#include "types.h"
@@ -18,35 +19,6 @@ enum class RenderAPI : u32
OpenGLES
};
enum class HostDisplayPixelFormat : u32
{
Unknown,
RGBA8,
BGRA8,
RGB565,
RGBA5551,
Count
};
// An abstracted RGBA8 texture.
class HostDisplayTexture
{
public:
virtual ~HostDisplayTexture();
virtual void* GetHandle() const = 0;
virtual u32 GetWidth() const = 0;
virtual u32 GetHeight() const = 0;
virtual u32 GetLayers() const = 0;
virtual u32 GetLevels() const = 0;
virtual u32 GetSamples() const = 0;
virtual HostDisplayPixelFormat GetFormat() const = 0;
virtual bool BeginUpdate(u32 width, u32 height, void** out_buffer, u32* out_pitch)/* = 0*/;
virtual void EndUpdate(u32 x, u32 y, u32 width, u32 height)/* = 0*/;
virtual bool Update(u32 x, u32 y, u32 width, u32 height, const void* data, u32 pitch);
};
// Interface to the frontend's renderer.
class HostDisplay
{
@@ -89,7 +61,7 @@ public:
m_mouse_position_y = y;
}
ALWAYS_INLINE const void* GetDisplayTextureHandle() const { return m_display_texture_handle; }
ALWAYS_INLINE const void* GetDisplayTextureHandle() const { return m_display_texture; }
ALWAYS_INLINE s32 GetDisplayTopMargin() const { return m_display_top_margin; }
ALWAYS_INLINE s32 GetDisplayWidth() const { return m_display_width; }
ALWAYS_INLINE s32 GetDisplayHeight() const { return m_display_height; }
@@ -124,18 +96,23 @@ public:
virtual void ResizeRenderWindow(s32 new_window_width, s32 new_window_height) = 0;
/// Creates an abstracted RGBA8 texture. If dynamic, the texture can be updated with UpdateTexture() below.
virtual std::unique_ptr<HostDisplayTexture> CreateTexture(u32 width, u32 height, u32 layers, u32 levels, u32 samples,
HostDisplayPixelFormat format, const void* data,
u32 data_stride, bool dynamic = false) = 0;
virtual bool DownloadTexture(const void* texture_handle, HostDisplayPixelFormat texture_format, u32 x, u32 y,
u32 width, u32 height, void* out_data, u32 out_data_stride) = 0;
virtual std::unique_ptr<GPUTexture> CreateTexture(u32 width, u32 height, u32 layers, u32 levels, u32 samples,
GPUTexture::Format format, const void* data, u32 data_stride,
bool dynamic = false) = 0;
virtual bool BeginTextureUpdate(GPUTexture* texture, u32 width, u32 height, void** out_buffer, u32* out_pitch) = 0;
virtual void EndTextureUpdate(GPUTexture* texture, u32 x, u32 y, u32 width, u32 height) = 0;
virtual bool UpdateTexture(GPUTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data, u32 pitch);
virtual bool DownloadTexture(GPUTexture* texture, u32 x, u32 y, u32 width, u32 height, void* out_data,
u32 out_data_stride) = 0;
/// Returns false if the window was completely occluded.
virtual bool Render(bool skip_present) = 0;
/// Renders the display with postprocessing to the specified image.
virtual bool RenderScreenshot(u32 width, u32 height, std::vector<u32>* out_pixels, u32* out_stride,
HostDisplayPixelFormat* out_format) = 0;
GPUTexture::Format* out_format) = 0;
virtual void SetVSync(bool enabled) = 0;
@@ -150,9 +127,7 @@ public:
void ClearDisplayTexture()
{
m_display_texture_handle = nullptr;
m_display_texture_width = 0;
m_display_texture_height = 0;
m_display_texture = nullptr;
m_display_texture_view_x = 0;
m_display_texture_view_y = 0;
m_display_texture_view_width = 0;
@@ -160,13 +135,9 @@ public:
m_display_changed = true;
}
void SetDisplayTexture(void* texture_handle, HostDisplayPixelFormat texture_format, s32 texture_width,
s32 texture_height, s32 view_x, s32 view_y, s32 view_width, s32 view_height)
void SetDisplayTexture(GPUTexture* texture, s32 view_x, s32 view_y, s32 view_width, s32 view_height)
{
m_display_texture_handle = texture_handle;
m_display_texture_format = texture_format;
m_display_texture_width = texture_width;
m_display_texture_height = texture_height;
m_display_texture = texture;
m_display_texture_view_x = view_x;
m_display_texture_view_y = view_y;
m_display_texture_view_width = view_width;
@@ -196,12 +167,7 @@ public:
m_display_changed = true;
}
static u32 GetDisplayPixelFormatSize(HostDisplayPixelFormat format);
static bool ConvertTextureDataToRGBA8(u32 width, u32 height, std::vector<u32>& texture_data, u32& texture_data_stride,
HostDisplayPixelFormat format);
static void FlipTextureDataRGBA8(u32 width, u32 height, std::vector<u32>& texture_data, u32 texture_data_stride);
virtual bool SupportsDisplayPixelFormat(HostDisplayPixelFormat format) const = 0;
virtual bool SupportsTextureFormat(GPUTexture::Format format) const = 0;
virtual bool GetHostRefreshRate(float* refresh_rate);
@@ -215,7 +181,7 @@ public:
void SetDisplayAlignment(Alignment alignment) { m_display_alignment = alignment; }
/// Sets the software cursor to the specified texture. Ownership of the texture is transferred.
void SetSoftwareCursor(std::unique_ptr<HostDisplayTexture> texture, float scale = 1.0f);
void SetSoftwareCursor(std::unique_ptr<GPUTexture> texture, float scale = 1.0f);
/// Sets the software cursor to the specified image.
bool SetSoftwareCursor(const void* pixels, u32 width, u32 height, u32 stride, float scale = 1.0f);
@@ -235,9 +201,8 @@ public:
s32 window_height, s32 top_margin) const;
/// Helper function to save texture data to a PNG. If flip_y is set, the image will be flipped aka OpenGL.
bool WriteTextureToFile(const void* texture_handle, u32 x, u32 y, u32 width, u32 height,
HostDisplayPixelFormat format, std::string filename, bool clear_alpha = true,
bool flip_y = false, u32 resize_width = 0, u32 resize_height = 0,
bool WriteTextureToFile(GPUTexture* texture, u32 x, u32 y, u32 width, u32 height, std::string filename,
bool clear_alpha = true, bool flip_y = false, u32 resize_width = 0, u32 resize_height = 0,
bool compress_on_thread = false);
/// Helper function to save current display texture to PNG.
@@ -253,7 +218,7 @@ public:
protected:
ALWAYS_INLINE bool HasSoftwareCursor() const { return static_cast<bool>(m_cursor_texture); }
ALWAYS_INLINE bool HasDisplayTexture() const { return (m_display_texture_handle != nullptr); }
ALWAYS_INLINE bool HasDisplayTexture() const { return (m_display_texture != nullptr); }
bool IsUsingLinearFiltering() const;
@@ -280,10 +245,7 @@ protected:
float m_display_aspect_ratio = 1.0f;
float m_display_frame_interval = 0.0f;
void* m_display_texture_handle = nullptr;
HostDisplayPixelFormat m_display_texture_format = HostDisplayPixelFormat::Count;
s32 m_display_texture_width = 0;
s32 m_display_texture_height = 0;
GPUTexture* m_display_texture = nullptr;
s32 m_display_texture_view_x = 0;
s32 m_display_texture_view_y = 0;
s32 m_display_texture_view_width = 0;
@@ -292,7 +254,7 @@ protected:
s32 m_display_top_margin = 0;
Alignment m_display_alignment = Alignment::Center;
std::unique_ptr<HostDisplayTexture> m_cursor_texture;
std::unique_ptr<GPUTexture> m_cursor_texture;
float m_cursor_texture_scale = 1.0f;
bool m_display_changed = false;
@@ -313,10 +275,10 @@ void ReleaseHostDisplay();
/// Returns false if the window was completely occluded. If frame_skip is set, the frame won't be
/// displayed, but the GPU command queue will still be flushed.
//bool BeginPresentFrame(bool frame_skip);
// bool BeginPresentFrame(bool frame_skip);
/// Presents the frame to the display, and renders OSD elements.
//void EndPresentFrame();
// void EndPresentFrame();
/// Provided by the host; renders the display.
void RenderDisplay(bool skip_present);