104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/*
|
|
Copyright 2021 flyinghead
|
|
|
|
This file is part of Flycast.
|
|
|
|
Flycast is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Flycast is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include "rend/imgui_driver.h"
|
|
#include "imgui/backends/imgui_impl_dx9.h"
|
|
#include "dxcontext.h"
|
|
#include <unordered_map>
|
|
|
|
class DX9Driver final : public ImGuiDriver
|
|
{
|
|
public:
|
|
DX9Driver(IDirect3DDevice9* device) {
|
|
ImGui_ImplDX9_Init(device);
|
|
}
|
|
|
|
~DX9Driver() {
|
|
ImGui_ImplDX9_Shutdown();
|
|
}
|
|
|
|
void newFrame() override {
|
|
ImGui_ImplDX9_NewFrame();
|
|
}
|
|
|
|
void renderDrawData(ImDrawData *drawData, bool gui_open) override {
|
|
theDXContext.EndImGuiFrame();
|
|
if (gui_open)
|
|
frameRendered = true;
|
|
}
|
|
|
|
void present() override {
|
|
if (frameRendered)
|
|
theDXContext.Present();
|
|
frameRendered = false;
|
|
}
|
|
|
|
void setFrameRendered() override {
|
|
frameRendered = true;
|
|
}
|
|
|
|
ImTextureID getTexture(const std::string& name) override {
|
|
auto it = textures.find(name);
|
|
if (it != textures.end())
|
|
return (ImTextureID)it->second.get();
|
|
else
|
|
return ImTextureID{};
|
|
}
|
|
|
|
ImTextureID updateTexture(const std::string& name, const u8 *data, int width, int height) override
|
|
{
|
|
ComPtr<IDirect3DTexture9>& texture = textures[name];
|
|
texture.reset();
|
|
HRESULT hr = theDXContext.getDevice()->CreateTexture(width, height, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &texture.get(), 0);
|
|
if (FAILED(hr) || !texture)
|
|
{
|
|
WARN_LOG(RENDERER, "CreateTexture failed (%d x %d): error %x", width, height, hr);
|
|
textures.erase(name);
|
|
return ImTextureID();
|
|
}
|
|
|
|
width *= 4;
|
|
|
|
D3DLOCKED_RECT rect;
|
|
texture->LockRect(0, &rect, nullptr, 0);
|
|
u8 *dst = (u8 *)rect.pBits;
|
|
const u8 *src = data;
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
for (int x = 0; x < width; x += 4)
|
|
{
|
|
// BGRA <- RGBA
|
|
dst[x + 0] = src[x + 2];
|
|
dst[x + 1] = src[x + 1];
|
|
dst[x + 2] = src[x + 0];
|
|
dst[x + 3] = src[x + 3];
|
|
}
|
|
dst += rect.Pitch;
|
|
src += width;
|
|
}
|
|
texture->UnlockRect(0);
|
|
|
|
return (ImTextureID)texture.get();
|
|
}
|
|
|
|
private:
|
|
bool frameRendered = false;
|
|
std::unordered_map<std::string, ComPtr<IDirect3DTexture9>> textures;
|
|
};
|