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WinRT: made rendering work with orientation changes on Windows Phone

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Pointer event geometry still needs to be adjusted on Windows Phone, to note.
This commit is contained in:
David Ludwig 2013-08-28 15:27:01 -04:00
parent 591af1b9f8
commit d5622eb2df
3 changed files with 117 additions and 34 deletions
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18
src/render/direct3d11/SDL_render_d3d11.cpp
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@ -920,7 +920,7 @@ D3D11_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
{
//D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
if (event->event == SDL_WINDOWEVENT_RESIZED) {
if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED) {
D3D11_UpdateForWindowSizeChange(renderer);
}
}
@ -1215,16 +1215,16 @@ D3D11_UpdateViewport(SDL_Renderer * renderer)
// Windows Phone rotations
//
case DisplayOrientations::Landscape:
// 90-degree Z-rotation
XMStoreFloat4x4(&data->vertexShaderConstantsData.projection, XMMatrixRotationZ(XM_PIDIV2));
// 270-degree (-90 degree) Z-rotation
XMStoreFloat4x4(&data->vertexShaderConstantsData.projection, XMMatrixRotationZ(-XM_PIDIV2));
break;
case DisplayOrientations::Portrait:
// 0-degree Z-rotation
XMStoreFloat4x4(&data->vertexShaderConstantsData.projection, XMMatrixIdentity());
break;
case DisplayOrientations::LandscapeFlipped:
// 270-degree (-90 degree) Z-rotation
XMStoreFloat4x4(&data->vertexShaderConstantsData.projection, XMMatrixRotationZ(-XM_PIDIV2));
// 90-degree Z-rotation
XMStoreFloat4x4(&data->vertexShaderConstantsData.projection, XMMatrixRotationZ(XM_PIDIV2));
break;
case DisplayOrientations::PortraitFlipped:
// 180-degree Z-rotation
@ -1280,11 +1280,15 @@ D3D11_UpdateViewport(SDL_Renderer * renderer)
//
// Update the Direct3D viewport, which seems to be aligned to the
// swap buffer's coordinate space, which is always in landscape:
// swap buffer's coordinate space, which is always in either
// a landscape mode, for all Windows 8/RT devices, or a portrait mode,
// for Windows Phone devices.
//
SDL_FRect orientationAlignedViewport;
#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
const bool swapDimensions = false;
const bool swapDimensions =
data->orientation == DisplayOrientations::Landscape ||
data->orientation == DisplayOrientations::LandscapeFlipped;
#else
const bool swapDimensions =
data->orientation == DisplayOrientations::Portrait ||