public override void DrawFrame()
{
//Glass code with enable blend
GLES20.GlEnable(GL10.GlBlend);
GLES20.GlBlendFunc(GL10.GlSrcAlpha, GL10.GlOneMinusSrcAlpha);
if (brocken)
{
lx = 0.9f;
ly = 0.0f;
lz = 0.0f;
lw += 0.01f;
if (lw > 0.5)
{
lw = 0;
}
}
else
{
lw = 0;
}
base.DrawFrame();
GLES20.GlDisable(GL10.GlBlend);
}
private void drawNonAlpha(ShellSurface surface, GLSL glsl)
{
var mats = surface.RenderLists;
int max = mats.Count;
// draw non-alpha material
// GLES20.GlEnable(GLES20.GlCullFace);
GLES20.GlEnable(2884);
GLES20.GlCullFace(GLES20.GlBack);
GLES20.GlDisable(GLES20.GlBlend);
for (int r = 0; r < max; r++)
{
var mat = mats[r];
TexInfo tb = null;
if (mat.material.texture != null)
{
tb = TextureFile.FetchTexInfo(mat.material.texture);
}
if (mat.material.diffuse_color[3] >= 1.0 && (tb == null || !tb.has_alpha))
{
drawOneMaterial(glsl, surface, mat);
}
}
}
/**
* \brief Draw the video keyframe (in OpenGL).
* @param mvpMatrix the model-view-projection matrix.
*/
private void DrawKeyFrame(float[] mvpMatrix)
{
GLES20.GlEnable(GLES20.GlBlend);
GLES20.GlBlendFunc(GLES20.GlSrcAlpha, GLES20.GlOneMinusSrcAlpha);
GLES20.GlUseProgram(mKeyframe_Program_GL_ID);
int vertexHandle = GLES20.GlGetAttribLocation(mKeyframe_Program_GL_ID, "vertexPosition");
int textureCoordHandle = GLES20.GlGetAttribLocation(mKeyframe_Program_GL_ID, "vertexTexCoord");
int mvpMatrixHandle = GLES20.GlGetUniformLocation(mKeyframe_Program_GL_ID, "modelViewProjectionMatrix");
int texSampler2DHandle = GLES20.GlGetUniformLocation(mKeyframe_Program_GL_ID, "texSampler2D");
GLES20.GlVertexAttribPointer(vertexHandle, 3, GLES20.GlFloat, false, 0, mVertices_Buffer);
GLES20.GlVertexAttribPointer(textureCoordHandle, 2, GLES20.GlFloat, false, 0, mTexCoords_Buffer);
GLES20.GlEnableVertexAttribArray(vertexHandle);
GLES20.GlEnableVertexAttribArray(textureCoordHandle);
GLES20.GlActiveTexture(GLES20.GlTexture0);
GLES20.GlBindTexture(GLES20.GlTexture2d, mKeyframeTexture_GL_ID);
GLES20.GlUniform1i(texSampler2DHandle, 0);
GLES20.GlUniformMatrix4fv(mvpMatrixHandle, 1, false, mvpMatrix, 0);
GLES20.GlDrawElements(GLES20.GlTriangles, mIndices_Number, GLES20.GlUnsignedShort, mIndex_Buffer);
GLES20.GlDisableVertexAttribArray(vertexHandle);
GLES20.GlDisableVertexAttribArray(textureCoordHandle);
GLES20.GlUseProgram(0);
GLES20.GlDisable(GLES20.GlBlend);
}
public void Draw(Frame frame)
{
if (frame.HasDisplayGeometryChanged)//.IsDisplayRotationChanged)
{
frame.TransformDisplayUvCoords(mQuadTexCoord, mQuadTexCoordTransformed);
}
GLES20.GlDisable(GLES20.GlDepthTest);
GLES20.GlDepthMask(false);
GLES20.GlBindTexture(GLES11Ext.GlTextureExternalOes, TextureId);
GLES20.GlUseProgram(mQuadProgram);
GLES20.GlVertexAttribPointer(
mQuadPositionParam, COORDS_PER_VERTEX, GLES20.GlFloat, false, 0, mQuadVertices);
GLES20.GlVertexAttribPointer(mQuadTexCoordParam, TEXCOORDS_PER_VERTEX,
GLES20.GlFloat, false, 0, mQuadTexCoordTransformed);
GLES20.GlEnableVertexAttribArray(mQuadPositionParam);
GLES20.GlEnableVertexAttribArray(mQuadTexCoordParam);
GLES20.GlDrawArrays(GLES20.GlTriangleStrip, 0, 4);
// Disable vertex arrays
GLES20.GlDisableVertexAttribArray(mQuadPositionParam);
GLES20.GlDisableVertexAttribArray(mQuadTexCoordParam);
// Restore the depth state for further drawing.
GLES20.GlDepthMask(true);
GLES20.GlEnable(GLES20.GlDepthTest);
ShaderUtil.CheckGLError(TAG, "Draw");
}
/// <summary>
/// Draw face geometrical features. This method is called on each frame.
/// </summary>
private void DrawFaceGeometry()
{
ShaderUtil.CheckGlError(TAG, "Before draw.");
Log.Debug(TAG, "Draw face geometry: mPointsNum: " + mPointsNum + " mTrianglesNum: " + mTrianglesNum);
GLES20.GlActiveTexture(GLES20.GlTexture0);
GLES20.GlBindTexture(GLES20.GlTexture2d, mTextureName);
GLES20.GlUniform1i(mTextureUniform, 0);
ShaderUtil.CheckGlError(TAG, "Init texture.");
GLES20.GlEnable(GLES20.GlDepthTest);
GLES20.GlEnable(GL_CULL_FACE_CONSTANT);
// Draw point.
GLES20.GlUseProgram(mProgram);
ShaderUtil.CheckGlError(TAG, "Draw point.");
GLES20.GlEnableVertexAttribArray(mPositionAttribute);
GLES20.GlEnableVertexAttribArray(mTextureCoordAttribute);
GLES20.GlEnableVertexAttribArray(mColorUniform);
GLES20.GlBindBuffer(GLES20.GlArrayBuffer, mVerticeId);
GLES20.GlVertexAttribPointer(mPositionAttribute, POSITION_COMPONENTS_NUMBER, GLES20.GlFloat, false,
BYTES_PER_POINT, 0);
GLES20.GlVertexAttribPointer(mTextureCoordAttribute, TEXCOORD_COMPONENTS_NUMBER, GLES20.GlFloat, false,
BYTES_PER_COORD, 0);
GLES20.GlUniform4f(mColorUniform, 1.0f, 0.0f, 0.0f, 1.0f);
GLES20.GlUniformMatrix4fv(mModelViewProjectionUniform, 1, false, mModelViewProjections, 0);
GLES20.GlUniform1f(mPointSizeUniform, 5.0f); // Set the size of Point to 5.
GLES20.GlDrawArrays(GLES20.GlPoints, 0, mPointsNum);
GLES20.GlDisableVertexAttribArray(mColorUniform);
GLES20.GlBindBuffer(GLES20.GlArrayBuffer, 0);
ShaderUtil.CheckGlError(TAG, "Draw point.");
// Draw triangles.
GLES20.GlEnableVertexAttribArray(mColorUniform);
// Clear the color and use the texture color to draw triangles.
GLES20.GlUniform4f(mColorUniform, 0.0f, 0.0f, 0.0f, 0.0f);
GLES20.GlBindBuffer(GLES20.GlElementArrayBuffer, mTriangleId);
// The number of input triangle points
GLES20.GlDrawElements(GLES20.GlTriangles, mTrianglesNum * 3, GLES20.GlUnsignedInt, 0);
GLES20.GlBindBuffer(GLES20.GlElementArrayBuffer, 0);
GLES20.GlDisableVertexAttribArray(mColorUniform);
ShaderUtil.CheckGlError(TAG, "Draw triangles.");
GLES20.GlDisableVertexAttribArray(mTextureCoordAttribute);
GLES20.GlDisableVertexAttribArray(mPositionAttribute);
GLES20.GlBindTexture(GLES20.GlTexture2d, 0);
GLES20.GlDisable(GLES20.GlDepthTest);
GLES20.GlDisable(GL_CULL_FACE_CONSTANT);
ShaderUtil.CheckGlError(TAG, "Draw after.");
}
/**
* \brief Draw this mesh (in OpenGL).
* @param modelViewProjection this mesh model-view-projection matrix.
*/
public void DrawMesh(float[] modelViewProjection)
{
//set up gl state
GLES20.GlEnable(GLES20.GlDepthTest);
GLES20.GlDisable(GLES20.GlCullFaceMode);
//GLES20.glCullFace(GLES20.GL_BACK);
//GLES20.glFrontFace(GLES20.GL_CCW);
//set shader program to use
GLES20.GlUseProgram(mProgram_GL_ID);
RenderUtils.CheckGLError("DrawMesh:glUseProgram");
//find attrib and unifroms in shader program
int vertexHandle = GLES20.GlGetAttribLocation(mProgram_GL_ID, "vertexPosition");
//int normalHandle = GLES20.GlGetAttribLocation(Program_GL_ID, "vertexNormal");
int textureCoordHandle = GLES20.GlGetAttribLocation(mProgram_GL_ID, "vertexTexCoord");
int mvpMatrixHandle = GLES20.GlGetUniformLocation(mProgram_GL_ID, "modelViewProjectionMatrix");
int texSampler2DHandle = GLES20.GlGetUniformLocation(mProgram_GL_ID, "texSampler2D");
RenderUtils.CheckGLError("DrawMesh:get attribs and uniforms");
//upload mesh data to OpenGL attribs
GLES20.GlVertexAttribPointer(vertexHandle, 3, GLES20.GlFloat, false, 0, mVertices_Buffer);
//GLES20.GlVertexAttribPointer(normalHandle, 3, GLES20.GlFloat, false, 0, Normals_Buffer);
GLES20.GlVertexAttribPointer(textureCoordHandle, 2, GLES20.GlFloat, false, 0, mTexCoords_Buffer);
RenderUtils.CheckGLError("DrawMesh:put attrib pointers");
//enable gl attribs to use
GLES20.GlEnableVertexAttribArray(vertexHandle);
//GLES20.GlEnableVertexAttribArray(normalHandle);
GLES20.GlEnableVertexAttribArray(textureCoordHandle);
RenderUtils.CheckGLError("DrawMesh:enable attrib arrays");
// activate texture 0, bind it, and pass to shader
GLES20.GlActiveTexture(GLES20.GlTexture0);
GLES20.GlBindTexture(GLES20.GlTexture2d, mTexture_GL_ID);
GLES20.GlUniform1i(texSampler2DHandle, 0);
RenderUtils.CheckGLError("DrawMesh:activate texturing");
// pass the model view matrix to the shader
GLES20.GlUniformMatrix4fv(mvpMatrixHandle, 1, false, modelViewProjection, 0);
RenderUtils.CheckGLError("DrawMesh:upload matrix");
// finally draw the teapot
GLES20.GlDrawElements(GLES20.GlTriangles, mIndices_Number, GLES20.GlUnsignedShort, mIndex_Buffer);
RenderUtils.CheckGLError("DrawMesh:draw elements");
// disable the enabled arrays
GLES20.GlDisableVertexAttribArray(vertexHandle);
//GLES20.GlDisableVertexAttribArray(normalHandle);
GLES20.GlDisableVertexAttribArray(textureCoordHandle);
RenderUtils.CheckGLError("DrawMesh:disable attrib arrays");
}
/**
* Draws the AR background image. The image will be drawn such that virtual content rendered
* with the matrices provided by {@link Frame#getViewMatrix(float[], int)} and
* {@link Session#getProjectionMatrix(float[], int, float, float)} will accurately follow
* static physical objects. This must be called <b>before</b> drawing virtual content.
*
* @param frame The last {@code Frame} returned by {@link Session#update()}.
*/
public void Draw(Frame frame)
{
// If display rotation changed (also includes view size change), we need to re-query the uv
// coordinates for the screen rect, as they may have changed as well.
if (frame.HasDisplayGeometryChanged)
{
frame.TransformDisplayUvCoords(mQuadTexCoord, mQuadTexCoordTransformed);
}
// No need to test or write depth, the screen quad has arbitrary depth, and is expected
// to be drawn first.
GLES20.GlDisable(GLES20.GlDepthTest);
GLES20.GlDepthMask(false);
GLES20.GlBindTexture(mTextureTarget, TextureId);
GLES20.GlTexParameteri(mTextureTarget, GLES20.GlTextureWrapS, GLES20.GlClampToEdge);
GLES20.GlTexParameteri(mTextureTarget, GLES20.GlTextureWrapT, GLES20.GlClampToEdge);
GLES20.GlTexParameteri(mTextureTarget, GLES20.GlTextureMinFilter, GLES20.GlNearest);
GLES20.GlTexParameteri(mTextureTarget, GLES20.GlTextureMagFilter, GLES20.GlNearest);
GLES20.GlUseProgram(mQuadProgram);
// Set the vertex positions.
GLES20.GlVertexAttribPointer(
mQuadPositionParam, COORDS_PER_VERTEX, GLES20.GlFloat, false, 0, mQuadVertices);
// Set the texture coordinates.
GLES20.GlVertexAttribPointer(mQuadTexCoordParam, TEXCOORDS_PER_VERTEX,
GLES20.GlFloat, false, 0, mQuadTexCoordTransformed);
// Enable vertex arrays
GLES20.GlEnableVertexAttribArray(mQuadPositionParam);
GLES20.GlEnableVertexAttribArray(mQuadTexCoordParam);
GLES20.GlDrawArrays(GLES20.GlTriangleStrip, 0, 4);
// Disable vertex arrays
GLES20.GlDisableVertexAttribArray(mQuadPositionParam);
GLES20.GlDisableVertexAttribArray(mQuadTexCoordParam);
// Restore the depth state for further drawing.
GLES20.GlDepthMask(true);
GLES20.GlEnable(GLES20.GlDepthTest);
ShaderUtil.CheckGLError(TAG, "Draw");
}
/// <summary>
/// Render each frame.
/// This method is called when Android.Opengl.GLSurfaceView.IRenderer's OnDrawFrame.
/// </summary>
/// <param name="frame">ARFrame</param>
public void OnDrawFrame(ARFrame frame)
{
ShaderUtil.CheckGlError(TAG, "On draw frame start.");
if (frame == null)
{
return;
}
if (frame.HasDisplayGeometryChanged)
{
frame.TransformDisplayUvCoords(mTexBuffer, mTexTransformedBuffer);
}
Clear();
GLES20.GlDisable(GLES20.GlDepthTest);
GLES20.GlDepthMask(false);
GLES20.GlUseProgram(mProgram);
// Set the texture ID.
GLES20.GlBindTexture(GLES11Ext.GlTextureExternalOes, mExternalTextureId);
// Set the projection matrix.
GLES20.GlUniformMatrix4fv(mMatrix, 1, false, mProjectionMatrix, 0);
GLES20.GlUniformMatrix4fv(mCoordMatrix, 1, false, coordMatrixs, 0);
// Set the vertex.
GLES20.GlEnableVertexAttribArray(mPosition);
GLES20.GlVertexAttribPointer(mPosition, 2, GLES20.GlFloat, false, 0, mVerBuffer);
// Set the texture coordinates.
GLES20.GlEnableVertexAttribArray(mCoord);
GLES20.GlVertexAttribPointer(mCoord, 2, GLES20.GlFloat, false, 0, mTexTransformedBuffer);
// Number of vertices.
GLES20.GlDrawArrays(GLES20.GlTriangleStrip, 0, 4);
GLES20.GlDisableVertexAttribArray(mPosition);
GLES20.GlDisableVertexAttribArray(mCoord);
GLES20.GlDepthMask(true);
GLES20.GlEnable(GLES20.GlDepthTest);
ShaderUtil.CheckGlError(TAG, "On draw frame end.");
}
private void DrawSortedPlans(List <ARPlane> sortedPlanes, float[] cameraViews, float[] cameraProjection)
{
ShaderUtil.CheckGlError(TAG, "Draw sorted plans start.");
GLES20.GlDepthMask(false);
GLES20.GlEnable(GLES20.GlBlend);
GLES20.GlBlendFuncSeparate(
GLES20.GlDstAlpha, GLES20.GlOne, GLES20.GlZero, GLES20.GlOneMinusSrcAlpha);
GLES20.GlUseProgram(mProgram);
GLES20.GlEnableVertexAttribArray(glPositionParameter);
foreach (ARPlane plane in sortedPlanes)
{
float[] planeMatrix = new float[MATRIX_SIZE];
plane.CenterPose.ToMatrix(planeMatrix, 0);
Array.Copy(planeMatrix, modelMatrix, MATRIX_SIZE);
float scaleU = 1.0f / LABEL_WIDTH;
// Set the value of the plane angle uv matrix.
planeAngleUvMatrix[0] = scaleU;
planeAngleUvMatrix[1] = 0.0f;
planeAngleUvMatrix[2] = 0.0f;
float scaleV = 1.0f / LABEL_HEIGHT;
planeAngleUvMatrix[3] = scaleV;
int idx = plane.Label.Ordinal();
Log.Debug(TAG, "Plane getLabel:" + idx);
idx = Java.Lang.Math.Abs(idx);
GLES20.GlActiveTexture(GLES20.GlTexture0 + idx);
GLES20.GlBindTexture(GLES20.GlTexture2d, textures[idx]);
GLES20.GlUniform1i(glTexture, idx);
GLES20.GlUniformMatrix2fv(glPlaneUvMatrix, 1, false, planeAngleUvMatrix, 0);
DrawLabel(cameraViews, cameraProjection);
}
GLES20.GlDisableVertexAttribArray(glPositionParameter);
GLES20.GlBindTexture(GLES20.GlTexture2d, 0);
GLES20.GlDisable(GLES20.GlBlend);
GLES20.GlDepthMask(true);
ShaderUtil.CheckGlError(TAG, "Draw sorted plans end.");
}
public void RenderTexture(int texId)
{
try
{
// Bind default FBO
GLES20.GlBindFramebuffer(GLES20.GlFramebuffer, 0);
// Use our shader program
GLES20.GlUseProgram(MProgram);
GlToolbox.CheckGlError("glUseProgram");
// Set viewport
GLES20.GlViewport(0, 0, MViewWidth, MViewHeight);
GlToolbox.CheckGlError("glViewport");
// Disable blending
GLES20.GlDisable(GLES20.GlBlend);
// Set the vertex attributes
GLES20.GlVertexAttribPointer(MTexCoordHandle, 2, GLES20.GlFloat, false, 0, MTexVertices);
GLES20.GlEnableVertexAttribArray(MTexCoordHandle);
GLES20.GlVertexAttribPointer(MPosCoordHandle, 2, GLES20.GlFloat, false, 0, MPosVertices);
GLES20.GlEnableVertexAttribArray(MPosCoordHandle);
GlToolbox.CheckGlError("vertex attribute setup");
// Set the input texture
GLES20.GlActiveTexture(GLES20.GlTexture0);
GlToolbox.CheckGlError("glActiveTexture");
GLES20.GlBindTexture(GLES20.GlTexture2d, texId);
GlToolbox.CheckGlError("glBindTexture");
GLES20.GlUniform1i(MTexSamplerHandle, 0);
// Draw
GLES20.GlClearColor(0.0f, 0.0f, 0.0f, 1.0f);
GLES20.GlClear(GLES20.GlColorBufferBit);
GLES20.GlDrawArrays(GLES20.GlTriangleStrip, 0, 4);
}
catch (Exception e)
{
Methods.DisplayReportResultTrack(e);
}
}
public void afterDrawFrame()
{
GLES20.GlBindFramebuffer(36160, mOriginalFramebufferId /*.array()[0]*/.Get(0));
GLES20.GlViewport(0, 0, mHmd.getScreen().getWidth(), mHmd.getScreen().getHeight());
GLES20.GlGetIntegerv(2978, mViewport);
GLES20.GlGetIntegerv(2884, mCullFaceEnabled);
GLES20.GlGetIntegerv(3089, mScissorTestEnabled);
GLES20.GlDisable(3089);
GLES20.GlDisable(2884);
GLES20.GlClearColor(0.0F, 0.0F, 0.0F, 1.0F);
GLES20.GlClear(16640);
GLES20.GlUseProgram(mProgramHolder.program);
GLES20.GlEnable(3089);
GLES20.GlScissor(0, 0, mHmd.getScreen().getWidth() / 2, mHmd.getScreen().getHeight());
renderDistortionMesh(mLeftEyeDistortionMesh);
GLES20.GlScissor(mHmd.getScreen().getWidth() / 2, 0, mHmd.getScreen().getWidth() / 2, mHmd.getScreen().getHeight());
renderDistortionMesh(mRightEyeDistortionMesh);
GLES20.GlDisableVertexAttribArray(mProgramHolder.aPosition);
GLES20.GlDisableVertexAttribArray(mProgramHolder.aVignette);
GLES20.GlDisableVertexAttribArray(mProgramHolder.aTextureCoord);
GLES20.GlUseProgram(0);
GLES20.GlBindBuffer(34962, 0);
GLES20.GlBindBuffer(34963, 0);
GLES20.GlDisable(3089);
if (mCullFaceEnabled /*.array()[0]*/.Get(0) == 1)
{
GLES20.GlEnable(2884);
}
if (mScissorTestEnabled /*.array()[0]*/.Get(0) == 1)
{
GLES20.GlEnable(3089);
}
GLES20.GlViewport(mViewport /*.array()[0]*/.Get(0), mViewport /*.array()[1]*/.Get(1), mViewport /*.array()[2]*/.Get(2), mViewport /*.array()[3]*/.Get(3));
}
/**
* Generates a frame of data using GL commands.
* <p>
* We have an 8-frame animation sequence that wraps around. It looks like this:
* <pre>
* 0 1 2 3
* 7 6 5 4
* </pre>
* We draw one of the eight rectangles and leave the rest set to the zero-fill color. */
private void generateSurfaceFrame(int frameIndex)
{
frameIndex %= 8;
int startX, startY;
if (frameIndex < 4)
{
// (0,0) is bottom-left in GL
startX = frameIndex * (mWidth / 4);
startY = mHeight / 2;
}
else
{
startX = (7 - frameIndex) * (mWidth / 4);
startY = 0;
}
GLES20.GlDisable(GLES20.GlScissorTest);
GLES20.GlClearColor(TEST_R0 / 255.0f, TEST_G0 / 255.0f, TEST_B0 / 255.0f, 1.0f);
GLES20.GlClear(GLES20.GlColorBufferBit);
GLES20.GlEnable(GLES20.GlScissorTest);
GLES20.GlScissor(startX, startY, mWidth / 4, mHeight / 2);
GLES20.GlClearColor(TEST_R1 / 255.0f, TEST_G1 / 255.0f, TEST_B1 / 255.0f, 1.0f);
GLES20.GlClear(GLES20.GlColorBufferBit);
}
/**
* Draws the model.
*
* @param cameraView A 4x4 view matrix, in column-major order.
* @param cameraPerspective A 4x4 projection matrix, in column-major order.
* @param lightIntensity Illumination intensity. Combined with diffuse and specular material
* properties.
* @see #setBlendMode(BlendMode)
* @see #updateModelMatrix(float[], float)
* @see #setMaterialProperties(float, float, float, float)
* @see android.opengl.Matrix
*/
public void Draw(float[] cameraView, float[] cameraPerspective, float lightIntensity)
{
ShaderUtil.CheckGLError(TAG, "Before draw");
// Build the ModelView and ModelViewProjection matrices
// for calculating object position and light.
Android.Opengl.Matrix.MultiplyMM(mModelViewMatrix, 0, cameraView, 0, mModelMatrix, 0);
Android.Opengl.Matrix.MultiplyMM(mModelViewProjectionMatrix, 0, cameraPerspective, 0, mModelViewMatrix, 0);
GLES20.GlUseProgram(mProgram);
// Set the lighting environment properties.
Android.Opengl.Matrix.MultiplyMV(mViewLightDirection, 0, mModelViewMatrix, 0, LIGHT_DIRECTION, 0);
normalizeVec3(mViewLightDirection);
GLES20.GlUniform4f(mLightingParametersUniform,
mViewLightDirection[0], mViewLightDirection[1], mViewLightDirection[2], lightIntensity);
// Set the object material properties.
GLES20.GlUniform4f(mMaterialParametersUniform, mAmbient, mDiffuse, mSpecular,
mSpecularPower);
// Attach the object texture.
GLES20.GlActiveTexture(GLES20.GlTexture0);
GLES20.GlBindTexture(GLES20.GlTexture2d, mTextures[0]);
GLES20.GlUniform1i(mTextureUniform, 0);
// Set the vertex attributes.
GLES20.GlBindBuffer(GLES20.GlArrayBuffer, mVertexBufferId);
GLES20.GlVertexAttribPointer(
mPositionAttribute, COORDS_PER_VERTEX, GLES20.GlFloat, false, 0, mVerticesBaseAddress);
GLES20.GlVertexAttribPointer(
mNormalAttribute, 3, GLES20.GlFloat, false, 0, mNormalsBaseAddress);
GLES20.GlVertexAttribPointer(
mTexCoordAttribute, 2, GLES20.GlFloat, false, 0, mTexCoordsBaseAddress);
GLES20.GlBindBuffer(GLES20.GlArrayBuffer, 0);
// Set the ModelViewProjection matrix in the shader.
GLES20.GlUniformMatrix4fv(
mModelViewUniform, 1, false, mModelViewMatrix, 0);
GLES20.GlUniformMatrix4fv(
mModelViewProjectionUniform, 1, false, mModelViewProjectionMatrix, 0);
// Enable vertex arrays
GLES20.GlEnableVertexAttribArray(mPositionAttribute);
GLES20.GlEnableVertexAttribArray(mNormalAttribute);
GLES20.GlEnableVertexAttribArray(mTexCoordAttribute);
if (mBlendMode != BlendMode.Null)
{
GLES20.GlDepthMask(false);
GLES20.GlEnable(GLES20.GlBlend);
switch (mBlendMode)
{
case BlendMode.Shadow:
// Multiplicative blending function for Shadow.
GLES20.GlBlendFunc(GLES20.GlZero, GLES20.GlOneMinusSrcAlpha);
break;
case BlendMode.Grid:
// Grid, additive blending function.
GLES20.GlBlendFunc(GLES20.GlSrcAlpha, GLES20.GlOneMinusSrcAlpha);
break;
}
}
GLES20.GlBindBuffer(GLES20.GlElementArrayBuffer, mIndexBufferId);
GLES20.GlDrawElements(GLES20.GlTriangles, mIndexCount, GLES20.GlUnsignedShort, 0);
GLES20.GlBindBuffer(GLES20.GlElementArrayBuffer, 0);
if (mBlendMode != BlendMode.Null)
{
GLES20.GlDisable(GLES20.GlBlend);
GLES20.GlDepthMask(true);
}
// Disable vertex arrays
GLES20.GlDisableVertexAttribArray(mPositionAttribute);
GLES20.GlDisableVertexAttribArray(mNormalAttribute);
GLES20.GlDisableVertexAttribArray(mTexCoordAttribute);
GLES20.GlBindTexture(GLES20.GlTexture2d, 0);
ShaderUtil.CheckGLError(TAG, "After draw");
}
/**
* Draws the collection of tracked planes, with closer planes hiding more distant ones.
*
* @param allPlanes The collection of planes to draw.
* @param cameraPose The pose of the camera, as returned by {@link Frame#getPose()}
* @param cameraPerspective The projection matrix, as returned by
* {@link Session#getProjectionMatrix(float[], int, float, float)}
*/
public void DrawPlanes(IEnumerable <Plane> allPlanes, Pose cameraPose, float[] cameraPerspective)
{
// Planes must be sorted by distance from camera so that we draw closer planes first, and
// they occlude the farther planes.
List <SortablePlane> sortedPlanes = new List <SortablePlane>();
float[] normal = new float[3];
float cameraX = cameraPose.Tx();
float cameraY = cameraPose.Ty();
float cameraZ = cameraPose.Tz();
foreach (var plane in allPlanes)
{
if (plane.GetType() != Plane.Type.HorizontalUpwardFacing ||
plane.GetTrackingState() != Plane.TrackingState.Tracking)
{
continue;
}
var center = plane.CenterPose;
// Get transformed Y axis of plane's coordinate system.
center.GetTransformedAxis(1, 1.0f, normal, 0);
// Compute dot product of plane's normal with vector from camera to plane center.
float distance = (cameraX - center.Tx()) * normal[0] +
(cameraY - center.Ty()) * normal[1] + (cameraZ - center.Tz()) * normal[2];
if (distance < 0)
{ // Plane is back-facing.
continue;
}
sortedPlanes.Add(new SortablePlane(distance, plane));
}
sortedPlanes.Sort((x, y) => x.Distance.CompareTo(y.Distance));
var cameraView = new float[16];
cameraPose.Inverse().ToMatrix(cameraView, 0);
// Planes are drawn with additive blending, masked by the alpha channel for occlusion.
// Start by clearing the alpha channel of the color buffer to 1.0.
GLES20.GlClearColor(1, 1, 1, 1);
GLES20.GlColorMask(false, false, false, true);
GLES20.GlClear(GLES20.GlColorBufferBit);
GLES20.GlColorMask(true, true, true, true);
// Disable depth write.
GLES20.GlDepthMask(false);
// Additive blending, masked by alpha chanel, clearing alpha channel.
GLES20.GlEnable(GLES20.GlBlend);
GLES20.GlBlendFuncSeparate(
GLES20.GlDstAlpha, GLES20.GlOne, // RGB (src, dest)
GLES20.GlZero, GLES20.GlOneMinusSrcAlpha); // ALPHA (src, dest)
// Set up the shader.
GLES20.GlUseProgram(mPlaneProgram);
// Attach the texture.
GLES20.GlActiveTexture(GLES20.GlTexture0);
GLES20.GlBindTexture(GLES20.GlTexture2d, mTextures[0]);
GLES20.GlUniform1i(mTextureUniform, 0);
// Shared fragment uniforms.
GLES20.GlUniform4fv(mGridControlUniform, 1, GRID_CONTROL, 0);
// Enable vertex arrays
GLES20.GlEnableVertexAttribArray(mPlaneXZPositionAlphaAttribute);
ShaderUtil.CheckGLError(TAG, "Setting up to draw planes");
foreach (var sortedPlane in sortedPlanes)
{
var plane = sortedPlane.Plane;
float[] planeMatrix = new float[16];
plane.CenterPose.ToMatrix(planeMatrix, 0);
updatePlaneParameters(planeMatrix, plane.ExtentX,
plane.ExtentZ, plane.PlanePolygon);
// Get plane index. Keep a map to assign same indices to same planes.
int planeIndex = -1;
if (!mPlaneIndexMap.TryGetValue(plane, out planeIndex))
{
planeIndex = Java.Lang.Integer.ValueOf(mPlaneIndexMap.Count).IntValue();
mPlaneIndexMap.Add(plane, planeIndex);
}
// Set plane color. Computed deterministically from the Plane index.
int colorIndex = planeIndex % PLANE_COLORS_RGBA.Length;
colorRgbaToFloat(mPlaneColor, PLANE_COLORS_RGBA[colorIndex]);
GLES20.GlUniform4fv(mLineColorUniform, 1, mPlaneColor, 0);
GLES20.GlUniform4fv(mDotColorUniform, 1, mPlaneColor, 0);
// Each plane will have its own angle offset from others, to make them easier to
// distinguish. Compute a 2x2 rotation matrix from the angle.
float angleRadians = planeIndex * 0.144f;
float uScale = DOTS_PER_METER;
float vScale = DOTS_PER_METER * EQUILATERAL_TRIANGLE_SCALE;
mPlaneAngleUvMatrix[0] = +(float)Math.Cos(angleRadians) * uScale;
mPlaneAngleUvMatrix[1] = -(float)Math.Sin(angleRadians) * uScale;
mPlaneAngleUvMatrix[2] = +(float)Math.Sin(angleRadians) * vScale;
mPlaneAngleUvMatrix[3] = +(float)Math.Cos(angleRadians) * vScale;
GLES20.GlUniformMatrix2fv(mPlaneUvMatrixUniform, 1, false, mPlaneAngleUvMatrix, 0);
Draw(cameraView, cameraPerspective);
}
// Clean up the state we set
GLES20.GlDisableVertexAttribArray(mPlaneXZPositionAlphaAttribute);
GLES20.GlBindTexture(GLES20.GlTexture2d, 0);
GLES20.GlDisable(GLES20.GlBlend);
GLES20.GlDepthMask(true);
ShaderUtil.CheckGLError(TAG, "Cleaning up after drawing planes");
}
private void drawAlpha(ShellSurface surface, GLSL glsl, bool alpha_test)
{
int max = surface.RenderLists.Count();
// draw alpha material
GLES20.GlEnable(GLES20.GlBlend);
for (int r = 0; r < max; r++)
{
var mat = surface.RenderLists[r];
TexInfo tb = null;
if (mat.material.texture != null)
{
tb = TextureFile.FetchTexInfo(mat.material.texture);
}
if (alpha_test)
{
if (tb != null && tb.needs_alpha_test)
{
if (mat.material.diffuse_color[3] < 1.0)
{
// GLES20.GlDisable(GLES20.GL_CULL_FACE);
GLES20.GlDisable(2884);
}
else
{
// GLES20.GlEnable(GLES20.GL_CULL_FACE);
GLES20.GlEnable(2884);
}
drawOneMaterial(glsl, surface, mat);
}
}
else
{
if (tb != null) // has texture
{
if (!tb.needs_alpha_test)
{
if (tb.has_alpha)
{
if (mat.material.diffuse_color[3] < 1.0)
{
// GLES20.GlDisable(GLES20.GL_CULL_FACE);
GLES20.GlDisable(2884);
}
else
{
// GLES20.GlEnable(GLES20.GL_CULL_FACE);
GLES20.GlEnable(2884);
}
drawOneMaterial(glsl, surface, mat);
}
else if (mat.material.diffuse_color[3] < 1.0)
{
// GLES20.GlDisable(GLES20.GL_CULL_FACE);
GLES20.GlDisable(2884);
drawOneMaterial(glsl, surface, mat);
}
}
}
else
{
if (mat.material.diffuse_color[3] < 1.0)
{
// GLES20.GlDisable(GLES20.GL_CULL_FACE);
GLES20.GlDisable(2884);
drawOneMaterial(glsl, surface, mat);
}
}
}
}
}
/**
* \brief Draw the video icon (in OpenGL).
* @param mvpMatrix the model-view-projection matrix.
* @param status the video state.
*/
private void DrawIcon(float[] mvpMatrix, PikkartVideoPlayer.VideoSate.VIDEO_STATE status)
{
GLES20.GlEnable(GLES20.GlBlend);
GLES20.GlBlendFunc(GLES20.GlSrcAlpha, GLES20.GlOneMinusSrcAlpha);
GLES20.GlUseProgram(mKeyframe_Program_GL_ID);
int vertexHandle = GLES20.GlGetAttribLocation(mKeyframe_Program_GL_ID, "vertexPosition");
int textureCoordHandle = GLES20.GlGetAttribLocation(mKeyframe_Program_GL_ID, "vertexTexCoord");
int mvpMatrixHandle = GLES20.GlGetUniformLocation(mKeyframe_Program_GL_ID, "modelViewProjectionMatrix");
int texSampler2DHandle = GLES20.GlGetUniformLocation(mKeyframe_Program_GL_ID, "texSampler2D");
GLES20.GlVertexAttribPointer(vertexHandle, 3, GLES20.GlFloat, false, 0, mVertices_Buffer);
GLES20.GlVertexAttribPointer(textureCoordHandle, 2, GLES20.GlFloat, false, 0, mTexCoords_Buffer);
GLES20.GlEnableVertexAttribArray(vertexHandle);
GLES20.GlEnableVertexAttribArray(textureCoordHandle);
GLES20.GlActiveTexture(GLES20.GlTexture0);
switch ((int)status)
{
case 0: //end
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconPlayTexture_GL_ID);
break;
case 1: //pasued
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconPlayTexture_GL_ID);
break;
case 2: //stopped
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconPlayTexture_GL_ID);
break;
case 3: //playing
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconPlayTexture_GL_ID);
break;
case 4: //ready
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconPlayTexture_GL_ID);
break;
case 5: //not ready
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconBusyTexture_GL_ID);
break;
case 6: //buffering
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconBusyTexture_GL_ID);
break;
case 7: //error
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconErrorTexture_GL_ID);
break;
default:
GLES20.GlBindTexture(GLES20.GlTexture2d, mIconBusyTexture_GL_ID);
break;
}
GLES20.GlUniform1i(texSampler2DHandle, 0);
GLES20.GlUniformMatrix4fv(mvpMatrixHandle, 1, false, mvpMatrix, 0);
GLES20.GlDrawElements(GLES20.GlTriangles, mIndices_Number, GLES20.GlUnsignedShort, mIndex_Buffer);
GLES20.GlDisableVertexAttribArray(vertexHandle);
GLES20.GlDisableVertexAttribArray(textureCoordHandle);
GLES20.GlUseProgram(0);
GLES20.GlDisable(GLES20.GlBlend);
}
/**
* Prepares EGL. We want a GLES 2.0 context and a surface that supports recording.
*/
private void eglSetup()
{
mEGLDisplay = EGL14.EglGetDisplay(EGL14.EglDefaultDisplay);
if (mEGLDisplay == EGL14.EglNoDisplay)
{
throw new Java.Lang.RuntimeException("unable to get EGL14 display");
}
int[] version = new int[2];
if (!EGL14.EglInitialize(mEGLDisplay, version, 0, version, 1))
{
throw new RuntimeException("unable to initialize EGL14");
}
// Configure EGL for recording and OpenGL ES 2.0.
int[] attribList;
if (mEGLSharedContext == null)
{
attribList = new int[] {
EGL14.EglRedSize, 8,
EGL14.EglGreenSize, 8,
EGL14.EglBlueSize, 8,
EGL14.EglRenderableType, EGL14.EglOpenglEs2Bit,
EGL14.EglNone
};
}
else
{
attribList = new int[] {
EGL14.EglRedSize, 8,
EGL14.EglGreenSize, 8,
EGL14.EglBlueSize, 8,
EGL14.EglRenderableType, EGL14.EglOpenglEs2Bit,
EGL_RECORDABLE_ANDROID, 1,
EGL14.EglNone
};
}
EGLConfig[] configs = new EGLConfig[1];
int[] numConfigs = new int[1];
EGL14.EglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.Length,
numConfigs, 0);
checkEglError("eglCreateContext RGB888+recordable ES2");
// Configure context for OpenGL ES 2.0.
int[] attrib_list =
{
EGL14.EglContextClientVersion, 2,
EGL14.EglNone
};
if (mEGLSharedContext == null)
{
mEGLContext = EGL14.EglCreateContext(mEGLDisplay, configs[0], EGL14.EglNoContext, attrib_list, 0);
}
else
{
mEGLContext = EGL14.EglCreateContext(mEGLDisplay, configs[0], mEGLSharedContext, attrib_list, 0);
}
checkEglError("eglCreateContext");
// Create a window surface, and attach it to the Surface we received.
int[] surfaceAttribs =
{
EGL14.EglNone
};
mEGLSurface = EGL14.EglCreateWindowSurface(mEGLDisplay, configs[0], mSurface,
surfaceAttribs, 0);
checkEglError("eglCreateWindowSurface");
GLES20.GlDisable(GLES20.GlDepthTest);
GLES20.GlDisable(GLES20.GlCullFaceMode);
}
