public void OnBeginRender()
{
if (_frameBuffer == null)
{
return;
}
_platform.LoadFrameBuffer(_frameBuffer);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
}
private void OnRenderSsrOut()
{
var ssrOutFB = _framebuffers[(int)EnumSSRFB.Out];
var ssrCausticsFB = _framebuffers[(int)EnumSSRFB.Caustics];
var ssrFB = _framebuffers[(int)EnumSSRFB.SSR];
var ssrOutShader = _shaders[(int)EnumSSRShaders.Out];
var ssrCausticsShader = _shaders[(int)EnumSSRShaders.Caustics];
if (ssrOutFB == null)
{
return;
}
if (ssrOutShader == null)
{
return;
}
GL.Disable(EnableCap.Blend);
_platform.LoadFrameBuffer(ssrOutFB);
GL.ClearBuffer(ClearBuffer.Color, 0, new[] { 0f, 0f, 0f, 1f });
var myUniforms = _mod.Uniforms;
var uniforms = _mod.CApi.Render.ShaderUniforms;
var ambient = _mod.CApi.Ambient;
var shader = ssrOutShader;
shader.Use();
shader.BindTexture2D("primaryScene",
_platform.FrameBuffers[(int)EnumFrameBuffer.Primary].ColorTextureIds[0], 0);
shader.BindTexture2D("gPosition", ssrFB.ColorTextureIds[0], 1);
shader.BindTexture2D("gNormal", ssrFB.ColorTextureIds[1], 2);
shader.BindTexture2D("gDepth", _platform.FrameBuffers[(int)EnumFrameBuffer.Primary].DepthTextureId, 3);
shader.BindTexture2D("gTint", ssrFB.ColorTextureIds[2], 4);
shader.UniformMatrix("projectionMatrix", _mod.CApi.Render.CurrentProjectionMatrix);
shader.UniformMatrix("invProjectionMatrix", myUniforms.InvProjectionMatrix);
shader.UniformMatrix("invModelViewMatrix", myUniforms.InvModelViewMatrix);
shader.Uniform("zNear", uniforms.ZNear);
shader.Uniform("zFar", uniforms.ZNear);
shader.Uniform("sunPosition", _mod.CApi.World.Calendar.SunPositionNormalized);
shader.Uniform("dayLight", myUniforms.DayLight);
shader.Uniform("horizonFog", ambient.BlendedCloudDensity);
shader.Uniform("fogDensityIn", ambient.BlendedFogDensity);
shader.Uniform("fogMinIn", ambient.BlendedFogMin);
shader.Uniform("rgbaFog", ambient.BlendedFogColor);
_platform.RenderFullscreenTriangle(_screenQuad);
shader.Stop();
_platform.CheckGlError("Error while calculating SSR");
if (_causticsEnabled && ssrCausticsFB != null && ssrCausticsShader != null)
{
_platform.LoadFrameBuffer(ssrCausticsFB);
GL.ClearBuffer(ClearBuffer.Color, 0, new[] { 0.5f });
shader = ssrCausticsShader;
shader.Use();
shader.BindTexture2D("gDepth", _platform.FrameBuffers[(int)EnumFrameBuffer.Primary].DepthTextureId, 0);
shader.BindTexture2D("gNormal", ssrFB.ColorTextureIds[1], 1);
shader.UniformMatrix("invProjectionMatrix", myUniforms.InvProjectionMatrix);
shader.UniformMatrix("invModelViewMatrix", myUniforms.InvModelViewMatrix);
shader.Uniform("dayLight", myUniforms.DayLight);
shader.Uniform("playerPos", uniforms.PlayerPos);
shader.Uniform("sunPosition", uniforms.SunPosition3D);
shader.Uniform("waterFlowCounter", uniforms.WaterFlowCounter);
if (ShaderProgramBase.shadowmapQuality > 0)
{
var fbShadowFar = _platform.FrameBuffers[(int)EnumFrameBuffer.ShadowmapFar];
shader.BindTexture2D("shadowMapFar", fbShadowFar.DepthTextureId, 2);
shader.BindTexture2D("shadowMapNear", _platform.FrameBuffers[(int)EnumFrameBuffer.ShadowmapNear].DepthTextureId, 3);
shader.Uniform("shadowMapWidthInv", 1f / fbShadowFar.Width);
shader.Uniform("shadowMapHeightInv", 1f / fbShadowFar.Height);
shader.Uniform("shadowRangeFar", uniforms.ShadowRangeFar);
shader.Uniform("shadowRangeNear", uniforms.ShadowRangeNear);
shader.UniformMatrix("toShadowMapSpaceMatrixFar", uniforms.ToShadowMapSpaceMatrixFar);
shader.UniformMatrix("toShadowMapSpaceMatrixNear", uniforms.ToShadowMapSpaceMatrixNear);
}
shader.Uniform("fogDensityIn", ambient.BlendedFogDensity);
shader.Uniform("fogMinIn", ambient.BlendedFogMin);
shader.Uniform("rgbaFog", ambient.BlendedFogColor);
_platform.RenderFullscreenTriangle(_screenQuad);
shader.Stop();
_platform.CheckGlError("Error while calculating caustics");
}
_platform.LoadFrameBuffer(EnumFrameBuffer.Primary);
GL.Enable(EnableCap.Blend);
}
