Revision 57578636
Added by Leszek Koltunski over 7 years ago
| src/main/java/org/distorted/library/DistortedFramebuffer.java | ||
|---|---|---|
| 67 | 67 |
{
|
| 68 | 68 |
if( mFOV>0.0f ) // perspective projection |
| 69 | 69 |
{
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float left =(-mX-mWidth/2 )/mHeight; |
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float right =(-mX+mWidth/2 )/mHeight; |
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float bottom =(-mY-mHeight/2)/mHeight; |
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float top =(-mY+mHeight/2)/mHeight; |
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float near= (float)( (top-bottom) / (2*Math.tan(mFOV*Math.PI/360)) ); |
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mDistance = (int)(mHeight*near/(top-bottom)); |
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float far = 2*mDistance-near; |
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mDepth = (int)((far-near)/2); |
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float left = (-mX-mWidth/2 )/mHeight;
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float right = (-mX+mWidth/2 )/mHeight;
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float bottom = (-mY-mHeight/2)/mHeight;
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float top = (-mY+mHeight/2)/mHeight;
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float near = (float)( (top-bottom) / (2*Math.tan(mFOV*Math.PI/360)) );
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mDistance = (int)(mHeight*near/(top-bottom));
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float far = 2*mDistance-near;
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mDepth = (int)((far-near)/2);
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| 78 | 78 |
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Matrix.frustumM(mProjectionMatrix, 0, left, right, bottom, top, near, far); |
| 80 | 80 |
} |
| 81 | 81 |
else // parallel projection |
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{
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float left =-mX-mWidth/2; |
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float right =-mX+mWidth/2; |
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float bottom =-mY-mHeight/2; |
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float top =-mY+mHeight/2; |
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float near= (float)( (top-bottom) / (2*Math.tan(Math.PI/360)) ); |
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mDistance = (int)(mHeight*near/(top-bottom)); |
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float far = 2*mDistance-near; |
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mDepth = (int)((far-near)/2); |
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float left = -mX-mWidth/2;
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float right = -mX+mWidth/2;
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float bottom = -mY-mHeight/2;
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float top = -mY+mHeight/2;
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float near = (float)( (top-bottom) / (2*Math.tan(Math.PI/360)) );
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mDistance = (int)(mHeight*near/(top-bottom));
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float far = 2*mDistance-near;
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mDepth = (int)((far-near)/2);
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| 91 | 91 |
|
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Matrix.orthoM(mProjectionMatrix, 0, left, right, bottom, top, near, far); |
| 93 | 93 |
} |
| ... | ... | |
| 193 | 193 |
mListMarked = false; |
| 194 | 194 |
} |
| 195 | 195 |
} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Set this as the Framebuffer to write to. |
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|
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void setAsOutput() |
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{
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if( texIds[0]==TEXTURE_NOT_CREATED_YET ) createFBO(); |
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|
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GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboIds[0]); |
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} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Set this as the Framebuffer to read from. |
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|
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void setAsInput() |
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{
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if( texIds[0]==TEXTURE_NOT_CREATED_YET ) createFBO(); |
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|
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GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texIds[0]); |
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} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// PUBLIC API |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Create a new offscreen FBO.
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* Create a new offscreen Framebuffer.
|
|
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* |
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* @param width Width of the COLOR attachment. |
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* @param height Height of the COLOR attachment. |
| ... | ... | |
| 206 | 227 |
{
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| 207 | 228 |
mProjectionMatrix = new float[16]; |
| 208 | 229 |
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mHeight = height; |
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mWidth = width; |
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fboIds[0] = -1; |
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texIds[0] = TEXTURE_NOT_CREATED_YET; |
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mFOV = 60.0f; |
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mX = 0.0f; |
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mY = 0.0f; |
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|
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mMarked = false; |
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mHeight = height; |
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mWidth = width; |
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fboIds[0]= -1; |
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texIds[0]= TEXTURE_NOT_CREATED_YET; |
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mFOV = 60.0f; |
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mX = 0.0f; |
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mY = 0.0f; |
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mMarked = false; |
|
| 218 | 238 |
|
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createProjection(); |
| 220 | 240 |
} |
| 221 | 241 |
|
| 222 | 242 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 223 | 243 |
/** |
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* Create a new DistortedFramebuffer from an already created OpenGL Framebuffer. |
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* Create a new Framebuffer from an already created OpenGL Framebuffer. |
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* <p> |
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* Has to be followed by a 'resize()' to set the size. |
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* |
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* @param fbo the ID of a OpenGL Framebuffer object. Typically 0 (the screen) |
| 227 | 249 |
*/ |
| ... | ... | |
| 229 | 251 |
{
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mProjectionMatrix = new float[16]; |
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fboIds[0] = fbo; |
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texIds[0] = TEXTURE_DONT_CREATE; |
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mFOV = 60.0f; |
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mX = 0.0f; |
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mY = 0.0f; |
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mMarked = false; |
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fboIds[0]= fbo; |
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texIds[0]= TEXTURE_DONT_CREATE; |
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mFOV = 60.0f; |
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mX = 0.0f; |
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mY = 0.0f; |
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mMarked = false; |
|
| 239 | 260 |
} |
| 240 | 261 |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
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if( texIds[0]>0 ) markForDeletion(); |
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} |
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} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Set this as the Framebuffer to write to. |
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*/ |
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|
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public void setAsOutput() |
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{
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if( texIds[0]==TEXTURE_NOT_CREATED_YET ) createFBO(); |
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GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboIds[0]); |
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} |
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|
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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/** |
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* Set this as the Framebuffer to read from. |
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*/ |
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|
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public void setAsInput() |
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{
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if( texIds[0]==TEXTURE_NOT_CREATED_YET ) createFBO(); |
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|
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GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texIds[0]); |
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} |
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|
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} |
Also available in: Unified diff
Improvements for DFramebuffer.