public static ovrMatrix4f vrapi_GetCenterEyeViewMatrix(ref ovrHeadModelParms headModelParms,
ref ovrTracking tracking,
// nullable struct?
ref ovrMatrix4f input)
{
throw null;
}
// sent into vrapi_SubmitFrame
// will use glMapBufferRange
//public ovrFrameParms ovrRenderer_RenderFrame(ref ovrApp appState, ref ovrTracking tracking)
public ovrFrameParms ovrRenderer_RenderFrame(ovrApp appState, ref ovrTracking tracking)
{
//ConsoleExtensions.tracei("enter ovrRenderer_RenderFrame, VRAPI_FRAME_INIT_DEFAULT");
// can other processes/non ndk stream a surface to us?
// local socket?
// shared memory?
// editn n continue?
// 1049
ovrFrameParms parms = VrApi_Helpers.vrapi_DefaultFrameParms(ref appState.Java, ovrFrameInit.VRAPI_FRAME_INIT_DEFAULT, 0u);
parms.FrameIndex = appState.FrameIndex;
parms.MinimumVsyncs = appState.MinimumVsyncs;
#region InstanceTransformBuffer
var sizeof_ovrMatrix4f = sizeof(ovrMatrix4f);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, appState.Scene.InstanceTransformBuffer);
var cubeTransforms = gl3.glMapBufferRange<ovrMatrix4f>(
gl3.GL_ARRAY_BUFFER, 0,
// do we need marshal.getsize?
NUM_INSTANCES * sizeof_ovrMatrix4f,
// the first gl3 members, the other are gl2 apis
gl3.GL_MAP_WRITE_BIT | gl3.GL_MAP_INVALIDATE_BUFFER_BIT
);
// 1057
for (int i = 0; i < NUM_INSTANCES; i++)
{
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ovrMatrix4f_CreateRotation i ", i);
var rotation = VrApi_Helpers.ovrMatrix4f_CreateRotation(
appState.Scene.CubeRotations[i].x * appState.Simulation.CurrentRotation.x,
appState.Scene.CubeRotations[i].y * appState.Simulation.CurrentRotation.y,
appState.Scene.CubeRotations[i].z * appState.Simulation.CurrentRotation.z
);
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ovrMatrix4f_CreateTranslation i ", i);
var translation = VrApi_Helpers.ovrMatrix4f_CreateTranslation(
appState.Scene.CubePositions[i].x,
appState.Scene.CubePositions[i].y,
appState.Scene.CubePositions[i].z
);
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ovrMatrix4f_Multiply i ", i);
var transform = VrApi_Helpers.ovrMatrix4f_Multiply(ref translation, ref rotation);
var transpose = VrApi_Helpers.ovrMatrix4f_Transpose(ref transform);
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ubeTransforms[i] = transpose ", i);
cubeTransforms[i] = transpose;
}
// 1070
gl3.glUnmapBuffer(gl3.GL_ARRAY_BUFFER);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
#endregion
// Calculate the center view matrix.
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, vrapi_DefaultHeadModelParms");
var headModelParms = VrApi_Helpers.vrapi_DefaultHeadModelParms();
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, vrapi_GetCenterEyeViewMatrix");
var centerEyeViewMatrix = VrApi_Helpers.vrapi_GetCenterEyeViewMatrix(ref headModelParms, ref tracking, default(ovrMatrix4f*));
// 1077
// NUM_EYES is length of RenderTextures
for (int eye = 0; eye < NUM_EYES; eye++)
{
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20150618/ovrmatrix4f
var eyeViewMatrix = VrApi_Helpers.vrapi_GetEyeViewMatrix(ref headModelParms, ref centerEyeViewMatrix, eye);
fixed (ovrMatrix4f* ref_ProjectionMatrix = &appState.Renderer.ProjectionMatrix)
fixed (ovrRenderTexture* rt = &appState.Renderer.RenderTextures[appState.Renderer.BufferIndex, eye])
{
//// 1085
//appState.tracei60("ovrRenderer_RenderFrame, ovrRenderTexture_SetCurrent BufferIndex ", appState.Renderer.BufferIndex);
//appState.tracei60("ovrRenderer_RenderFrame, ovrRenderTexture_SetCurrent eye ", eye);
rt->ovrRenderTexture_SetCurrent();
gl3.glEnable(gl3.GL_SCISSOR_TEST);
gl3.glDepthMask(true);
gl3.glEnable(gl3.GL_DEPTH_TEST);
gl3.glDepthFunc(gl3.GL_LEQUAL);
gl3.glViewport(0, 0, rt->Width, rt->Height);
gl3.glScissor(0, 0, rt->Width, rt->Height);
//gl3.glClearColor(0.125f, 0.0f, 0.125f, 1.0f);
//gl3.glClearColor(0.9f, 0.0f, 0.125f, 1.0f);
gl3.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT | gl3.GL_DEPTH_BUFFER_BIT);
gl3.glUseProgram(appState.Scene.Program.Program);
// 1094
gl3.glUniformMatrix4fv(appState.Scene.Program.Uniforms[(int)ovrUniform_index.UNIFORM_VIEW_MATRIX], 1, true, (float*)&eyeViewMatrix);
gl3.glUniformMatrix4fv(appState.Scene.Program.Uniforms[(int)ovrUniform_index.UNIFORM_PROJECTION_MATRIX], 1, true, (float*)ref_ProjectionMatrix);
gl3.glBindVertexArray(appState.Scene.Cube.VertexArrayObject);
gl3.glDrawElementsInstanced(gl3.GL_TRIANGLES, appState.Scene.Cube.IndexCount, gl3.GL_UNSIGNED_SHORT, null, NUM_INSTANCES);
gl3.glBindVertexArray(0);
gl3.glUseProgram(0);
// 1104
// what happens if we dont?
#region Explicitly clear the border texels to black because OpenGL-ES does not support GL_CLAMP_TO_BORDER.
{
// Clear to fully opaque black.
gl3.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
// bottom
gl3.glScissor(0, 0, rt->Width, 1);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
// top
gl3.glScissor(0, rt->Height - 1, rt->Width, 1);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
// left
gl3.glScissor(0, 0, 1, rt->Height);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
// right
gl3.glScissor(rt->Width - 1, 0, 1, rt->Height);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
}
#endregion
//// 1119
//appState.tracei60("ovrRenderer_RenderFrame, ovrRenderTexture_Resolve, glInvalidateFramebuffer");
rt->ovrRenderTexture_Resolve();
parms.Layers[(int)ovrFrameLayerType.VRAPI_FRAME_LAYER_TYPE_WORLD].Images[eye].TexId = rt->ColorTexture;
parms.Layers[(int)ovrFrameLayerType.VRAPI_FRAME_LAYER_TYPE_WORLD].Images[eye].TexCoordsFromTanAngles = appState.Renderer.TanAngleMatrix;
parms.Layers[(int)ovrFrameLayerType.VRAPI_FRAME_LAYER_TYPE_WORLD].Images[eye].HeadPose = tracking.HeadPose;
}
}
ovrRenderTexture.ovrRenderTexture_SetNone();
appState.Renderer.BufferIndex = (appState.Renderer.BufferIndex + 1) % NUM_BUFFERS;
// 1130
appState.tracei60("exit ovrRenderer_RenderFrame BufferIndex", appState.Renderer.BufferIndex);
//ConsoleExtensions.tracei("exit ovrRenderer_RenderFrame");
return parms;
}
public static ovrMatrix4f vrapi_GetCenterEyeViewMatrix(
ref ovrHeadModelParms headModelParms,
ref ovrTracking tracking,
// nullable struct?
ovrMatrix4f* input)
{
throw null;
}
// sent into vrapi_SubmitFrame
// will use glMapBufferRange
//public ovrFrameParms ovrRenderer_RenderFrame(ref ovrApp appState, ref ovrTracking tracking)
public ovrFrameParms ovrRenderer_RenderFrame(ovrApp appState, ref ovrTracking tracking)
{
//ConsoleExtensions.tracei("enter ovrRenderer_RenderFrame, VRAPI_FRAME_INIT_DEFAULT");
// can other processes/non ndk stream a surface to us?
// local socket?
// shared memory?
// editn n continue?
// 1049
ovrFrameParms parms = VrApi_Helpers.vrapi_DefaultFrameParms(ref appState.Java, ovrFrameInit.VRAPI_FRAME_INIT_DEFAULT, 0u);
parms.FrameIndex = appState.FrameIndex;
parms.MinimumVsyncs = appState.MinimumVsyncs;
#region InstanceTransformBuffer
var sizeof_ovrMatrix4f = sizeof(ovrMatrix4f);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, appState.Scene.InstanceTransformBuffer);
var cubeTransforms = gl3.glMapBufferRange <ovrMatrix4f>(
gl3.GL_ARRAY_BUFFER, 0,
// do we need marshal.getsize?
NUM_INSTANCES * sizeof_ovrMatrix4f,
// the first gl3 members, the other are gl2 apis
gl3.GL_MAP_WRITE_BIT | gl3.GL_MAP_INVALIDATE_BUFFER_BIT
);
// 1057
for (int i = 0; i < NUM_INSTANCES; i++)
{
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ovrMatrix4f_CreateRotation i ", i);
var rotation = VrApi_Helpers.ovrMatrix4f_CreateRotation(
appState.Scene.CubeRotations[i].x * appState.Simulation.CurrentRotation.x,
appState.Scene.CubeRotations[i].y * appState.Simulation.CurrentRotation.y,
appState.Scene.CubeRotations[i].z * appState.Simulation.CurrentRotation.z
);
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ovrMatrix4f_CreateTranslation i ", i);
var translation = VrApi_Helpers.ovrMatrix4f_CreateTranslation(
appState.Scene.CubePositions[i].x,
appState.Scene.CubePositions[i].y,
appState.Scene.CubePositions[i].z
);
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ovrMatrix4f_Multiply i ", i);
var transform = VrApi_Helpers.ovrMatrix4f_Multiply(ref translation, ref rotation);
var transpose = VrApi_Helpers.ovrMatrix4f_Transpose(ref transform);
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, ubeTransforms[i] = transpose ", i);
cubeTransforms[i] = transpose;
}
// 1070
gl3.glUnmapBuffer(gl3.GL_ARRAY_BUFFER);
gl3.glBindBuffer(gl3.GL_ARRAY_BUFFER, 0);
#endregion
// Calculate the center view matrix.
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, vrapi_DefaultHeadModelParms");
var headModelParms = VrApi_Helpers.vrapi_DefaultHeadModelParms();
//ConsoleExtensions.tracei("ovrRenderer_RenderFrame, vrapi_GetCenterEyeViewMatrix");
var centerEyeViewMatrix = VrApi_Helpers.vrapi_GetCenterEyeViewMatrix(ref headModelParms, ref tracking, default(ovrMatrix4f *));
// 1077
// NUM_EYES is length of RenderTextures
for (int eye = 0; eye < NUM_EYES; eye++)
{
// https://sites.google.com/a/jsc-solutions.net/work/knowledge-base/15-dualvr/20150618/ovrmatrix4f
var eyeViewMatrix = VrApi_Helpers.vrapi_GetEyeViewMatrix(ref headModelParms, ref centerEyeViewMatrix, eye);
fixed(ovrMatrix4f *ref_ProjectionMatrix = &appState.Renderer.ProjectionMatrix)
fixed(ovrRenderTexture * rt = &appState.Renderer.RenderTextures[appState.Renderer.BufferIndex, eye])
{
//// 1085
//appState.tracei60("ovrRenderer_RenderFrame, ovrRenderTexture_SetCurrent BufferIndex ", appState.Renderer.BufferIndex);
//appState.tracei60("ovrRenderer_RenderFrame, ovrRenderTexture_SetCurrent eye ", eye);
rt->ovrRenderTexture_SetCurrent();
gl3.glEnable(gl3.GL_SCISSOR_TEST);
gl3.glDepthMask(true);
gl3.glEnable(gl3.GL_DEPTH_TEST);
gl3.glDepthFunc(gl3.GL_LEQUAL);
gl3.glViewport(0, 0, rt->Width, rt->Height);
gl3.glScissor(0, 0, rt->Width, rt->Height);
//gl3.glClearColor(0.125f, 0.0f, 0.125f, 1.0f);
//gl3.glClearColor(0.9f, 0.0f, 0.125f, 1.0f);
gl3.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT | gl3.GL_DEPTH_BUFFER_BIT);
gl3.glUseProgram(appState.Scene.Program.Program);
// 1094
gl3.glUniformMatrix4fv(appState.Scene.Program.Uniforms[(int)ovrUniform_index.UNIFORM_VIEW_MATRIX], 1, true, (float *)&eyeViewMatrix);
gl3.glUniformMatrix4fv(appState.Scene.Program.Uniforms[(int)ovrUniform_index.UNIFORM_PROJECTION_MATRIX], 1, true, (float *)ref_ProjectionMatrix);
gl3.glBindVertexArray(appState.Scene.Cube.VertexArrayObject);
gl3.glDrawElementsInstanced(gl3.GL_TRIANGLES, appState.Scene.Cube.IndexCount, gl3.GL_UNSIGNED_SHORT, null, NUM_INSTANCES);
gl3.glBindVertexArray(0);
gl3.glUseProgram(0);
// 1104
// what happens if we dont?
#region Explicitly clear the border texels to black because OpenGL-ES does not support GL_CLAMP_TO_BORDER.
{
// Clear to fully opaque black.
gl3.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
// bottom
gl3.glScissor(0, 0, rt->Width, 1);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
// top
gl3.glScissor(0, rt->Height - 1, rt->Width, 1);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
// left
gl3.glScissor(0, 0, 1, rt->Height);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
// right
gl3.glScissor(rt->Width - 1, 0, 1, rt->Height);
gl3.glClear(gl3.GL_COLOR_BUFFER_BIT);
}
#endregion
//// 1119
//appState.tracei60("ovrRenderer_RenderFrame, ovrRenderTexture_Resolve, glInvalidateFramebuffer");
rt->ovrRenderTexture_Resolve();
parms.Layers[(int)ovrFrameLayerType.VRAPI_FRAME_LAYER_TYPE_WORLD].Images[eye].TexId = rt->ColorTexture;
parms.Layers[(int)ovrFrameLayerType.VRAPI_FRAME_LAYER_TYPE_WORLD].Images[eye].TexCoordsFromTanAngles = appState.Renderer.TanAngleMatrix;
parms.Layers[(int)ovrFrameLayerType.VRAPI_FRAME_LAYER_TYPE_WORLD].Images[eye].HeadPose = tracking.HeadPose;
}
}
ovrRenderTexture.ovrRenderTexture_SetNone();
appState.Renderer.BufferIndex = (appState.Renderer.BufferIndex + 1) % NUM_BUFFERS;
// 1130
appState.tracei60("exit ovrRenderer_RenderFrame BufferIndex", appState.Renderer.BufferIndex);
//ConsoleExtensions.tracei("exit ovrRenderer_RenderFrame");
return(parms);
}