/// <summary>
/// Starts draw.
/// This sets primitive type and instanced draw parameters.
/// </summary>
/// <param name="argument">Method call argument</param>
public void DrawBegin(int argument)
{
bool incrementInstance = (argument & (1 << 26)) != 0;
bool resetInstance = (argument & (1 << 27)) == 0;
if (_state.State.PrimitiveTypeOverrideEnable)
{
PrimitiveTypeOverride typeOverride = _state.State.PrimitiveTypeOverride;
DrawBegin(incrementInstance, resetInstance, typeOverride.Convert());
}
else
{
PrimitiveType type = (PrimitiveType)(argument & 0xffff);
DrawBegin(incrementInstance, resetInstance, type.Convert());
}
}
/// <summary>
/// Starts draw.
/// This sets primitive type and instanced draw parameters.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="argument">Method call argument</param>
private void DrawBegin(GpuState state, int argument)
{
bool incrementInstance = (argument & (1 << 26)) != 0;
bool resetInstance = (argument & (1 << 27)) == 0;
PrimitiveType type = (PrimitiveType)(argument & 0xffff);
PrimitiveTypeOverride typeOverride = state.Get <PrimitiveTypeOverride>(MethodOffset.PrimitiveTypeOverride);
if (typeOverride != PrimitiveTypeOverride.Invalid)
{
DrawBegin(incrementInstance, resetInstance, typeOverride.Convert());
}
else
{
DrawBegin(incrementInstance, resetInstance, type.Convert());
}
}
/// <summary>
/// Starts draw.
/// This sets primitive type and instanced draw parameters.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="argument">Method call argument</param>
private void DrawBegin(GpuState state, int argument)
{
if ((argument & (1 << 26)) != 0)
{
_instanceIndex++;
}
else if ((argument & (1 << 27)) == 0)
{
PerformDeferredDraws();
_instanceIndex = 0;
}
PrimitiveType type = (PrimitiveType)(argument & 0xffff);
_context.Renderer.Pipeline.SetPrimitiveTopology(type.Convert());
PrimitiveType = type;
}
/// <summary>
/// Updates host state based on the current guest GPU state.
/// </summary>
/// <param name="state">Guest GPU state</param>
private void UpdateState(GpuState state)
{
bool tfEnable = state.Get <Boolean32>(MethodOffset.TfEnable);
if (!tfEnable && _prevTfEnable)
{
_context.Renderer.Pipeline.EndTransformFeedback();
_prevTfEnable = false;
}
// Shaders must be the first one to be updated if modified, because
// some of the other state depends on information from the currently
// bound shaders.
if (state.QueryModified(MethodOffset.ShaderBaseAddress, MethodOffset.ShaderState) || _forceShaderUpdate)
{
_forceShaderUpdate = false;
UpdateShaderState(state);
}
if (state.QueryModified(MethodOffset.TfBufferState))
{
UpdateTfBufferState(state);
}
if (state.QueryModified(MethodOffset.ClipDistanceEnable))
{
UpdateUserClipState(state);
}
if (state.QueryModified(MethodOffset.RasterizeEnable))
{
UpdateRasterizerState(state);
}
if (state.QueryModified(MethodOffset.RtColorState,
MethodOffset.RtDepthStencilState,
MethodOffset.RtControl,
MethodOffset.RtDepthStencilSize,
MethodOffset.RtDepthStencilEnable))
{
UpdateRenderTargetState(state, useControl: true);
}
if (state.QueryModified(MethodOffset.ScissorState))
{
UpdateScissorState(state);
}
if (state.QueryModified(MethodOffset.ViewVolumeClipControl))
{
UpdateDepthClampState(state);
}
if (state.QueryModified(MethodOffset.AlphaTestEnable,
MethodOffset.AlphaTestRef,
MethodOffset.AlphaTestFunc))
{
UpdateAlphaTestState(state);
}
if (state.QueryModified(MethodOffset.DepthTestEnable,
MethodOffset.DepthWriteEnable,
MethodOffset.DepthTestFunc))
{
UpdateDepthTestState(state);
}
if (state.QueryModified(MethodOffset.DepthMode,
MethodOffset.ViewportTransform,
MethodOffset.ViewportExtents))
{
UpdateViewportTransform(state);
}
if (state.QueryModified(MethodOffset.DepthBiasState,
MethodOffset.DepthBiasFactor,
MethodOffset.DepthBiasUnits,
MethodOffset.DepthBiasClamp))
{
UpdateDepthBiasState(state);
}
if (state.QueryModified(MethodOffset.StencilBackMasks,
MethodOffset.StencilTestState,
MethodOffset.StencilBackTestState))
{
UpdateStencilTestState(state);
}
// Pools.
if (state.QueryModified(MethodOffset.SamplerPoolState, MethodOffset.SamplerIndex))
{
UpdateSamplerPoolState(state);
}
if (state.QueryModified(MethodOffset.TexturePoolState))
{
UpdateTexturePoolState(state);
}
// Input assembler state.
if (state.QueryModified(MethodOffset.VertexAttribState))
{
UpdateVertexAttribState(state);
}
if (state.QueryModified(MethodOffset.PointSize,
MethodOffset.VertexProgramPointSize,
MethodOffset.PointSpriteEnable,
MethodOffset.PointCoordReplace))
{
UpdatePointState(state);
}
if (state.QueryModified(MethodOffset.PrimitiveRestartState))
{
UpdatePrimitiveRestartState(state);
}
if (state.QueryModified(MethodOffset.IndexBufferState))
{
UpdateIndexBufferState(state);
}
if (state.QueryModified(MethodOffset.VertexBufferDrawState,
MethodOffset.VertexBufferInstanced,
MethodOffset.VertexBufferState,
MethodOffset.VertexBufferEndAddress))
{
UpdateVertexBufferState(state);
}
if (state.QueryModified(MethodOffset.FaceState))
{
UpdateFaceState(state);
}
if (state.QueryModified(MethodOffset.RtColorMaskShared, MethodOffset.RtColorMask))
{
UpdateRtColorMask(state);
}
if (state.QueryModified(MethodOffset.BlendIndependent,
MethodOffset.BlendConstant,
MethodOffset.BlendStateCommon,
MethodOffset.BlendEnableCommon,
MethodOffset.BlendEnable,
MethodOffset.BlendState))
{
UpdateBlendState(state);
}
if (state.QueryModified(MethodOffset.LogicOpState))
{
UpdateLogicOpState(state);
}
CommitBindings();
if (tfEnable && !_prevTfEnable)
{
_context.Renderer.Pipeline.BeginTransformFeedback(PrimitiveType.Convert());
_prevTfEnable = true;
}
}