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Introduce World and UI rendering phases.

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This commit is contained in:
Paul Chote
2019-11-03 15:48:36 +00:00
committed by reaperrr
parent ebd1557523
commit e7de7b4c05
6 changed files with 48 additions and 26 deletions
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51
OpenRA.Game/Renderer.cs
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@@ -22,6 +22,8 @@ namespace OpenRA
{
public sealed class Renderer : IDisposable
{
enum RenderType { None, World, UI }
public SpriteRenderer WorldSpriteRenderer { get; private set; }
public RgbaSpriteRenderer WorldRgbaSpriteRenderer { get; private set; }
public RgbaColorRenderer WorldRgbaColorRenderer { get; private set; }
@@ -54,6 +56,7 @@ namespace OpenRA
float lastZoom = -1f;
ITexture currentPaletteTexture;
IBatchRenderer currentBatchRenderer;
RenderType renderType = RenderType.None;
public Renderer(IPlatform platform, GraphicSettings graphicSettings)
{
@@ -125,7 +128,7 @@ namespace OpenRA
depthOffset = depthScale / 2;
}
public void BeginFrame(int2 scroll, float zoom)
void BeginFrame()
{
Context.Clear();
@@ -151,33 +154,50 @@ namespace OpenRA
}
screenBuffer.Bind();
SetViewportParams(scroll, zoom);
}
public void SetViewportParams(int2 scroll, float zoom)
{
// In HiDPI windows we follow Apple's convention of defining window coordinates as for standard resolution windows
// but to have a higher resolution backing surface with more than 1 texture pixel per viewport pixel.
// We must convert the surface buffer size to a viewport size - in general this is NOT just the window size
// rounded to the next power of two, as the NextPowerOf2 calculation is done in the surface pixel coordinates
var scale = Window.WindowScale;
var surfaceBufferSize = Window.SurfaceSize.NextPowerOf2();
var bufferSize = new Size((int)(surfaceBufferSize.Width / scale), (int)(surfaceBufferSize.Height / scale));
// PERF: Calling SetViewportParams on each renderer is slow. Only call it when things change.
// If zoom evaluates as different due to floating point weirdness that's OK, it will be going away soon
if (lastBufferSize != bufferSize || lastScroll != scroll || lastZoom != zoom)
if (lastBufferSize != bufferSize)
{
if (lastBufferSize != bufferSize)
SpriteRenderer.SetViewportParams(bufferSize, 0f, 0f, 1f, int2.Zero);
SpriteRenderer.SetViewportParams(bufferSize, 0f, 0f, 1f, int2.Zero);
lastBufferSize = bufferSize;
}
}
public void BeginWorld(int2 scroll, float zoom)
{
if (renderType != RenderType.None)
throw new InvalidOperationException("BeginWorld called with renderType = {0}, expected RenderType.None.".F(renderType));
var oldLastBufferSize = lastBufferSize;
BeginFrame();
var scale = Window.WindowScale;
var surfaceSize = Window.SurfaceSize;
var surfaceBufferSize = surfaceSize.NextPowerOf2();
var bufferSize = new Size((int)(surfaceBufferSize.Width / scale), (int)(surfaceBufferSize.Height / scale));
if (oldLastBufferSize != bufferSize || lastScroll != scroll || lastZoom != zoom)
{
WorldSpriteRenderer.SetViewportParams(bufferSize, depthScale, depthOffset, zoom, scroll);
WorldModelRenderer.SetViewportParams(bufferSize, zoom, scroll);
lastBufferSize = bufferSize;
lastScroll = scroll;
lastZoom = zoom;
}
renderType = RenderType.World;
}
public void BeginUI()
{
if (renderType == RenderType.None)
BeginFrame();
renderType = RenderType.UI;
}
public void SetPalette(HardwarePalette palette)
@@ -195,6 +215,9 @@ namespace OpenRA
public void EndFrame(IInputHandler inputHandler)
{
if (renderType != RenderType.UI)
throw new InvalidOperationException("EndFrame called with renderType = {0}, expected RenderType.UI.".F(renderType));
Flush();
screenBuffer.Unbind();
@@ -207,6 +230,8 @@ namespace OpenRA
Window.PumpInput(inputHandler);
Context.Present();
renderType = RenderType.None;
}
public void DrawBatch(Vertex[] vertices, int numVertices, PrimitiveType type)