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check number of max number of samples in addition to availability of

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multisampling extension to make sure that no MSAA renderbuffer is
created, fixes #1644
This commit is contained in:
codeanticode
2013-02-21 20:46:29 -05:00
parent 8a571315dd
commit ed0db3e4be
2 changed files with 40 additions and 30 deletions
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35
core/src/processing/opengl/PGL.java
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@@ -167,6 +167,10 @@ public class PGL {
protected static final int SIZEOF_INDEX = SIZEOF_SHORT;
protected static final int INDEX_TYPE = GL.GL_UNSIGNED_SHORT;
/** Error string from framebuffer errors **/
protected static final String FRAMEBUFFER_ERROR_MESSAGE =
"Framebuffer error (%1$s), rendering will probably not work as expected";
/** Machine Epsilon for float precision. **/
protected static float FLOAT_EPS = Float.MIN_VALUE;
// Calculation of the Machine Epsilon for float precision. From:
@@ -711,7 +715,9 @@ public class PGL {
fboHeight = nextPowerOfTwo(pg.height);
}
if (-1 < ext.indexOf("_framebuffer_multisample")) {
getIntegerv(MAX_SAMPLES, intBuffer);
if (-1 < ext.indexOf("_framebuffer_multisample") &&
1 < intBuffer.get(0)) {
numSamples = reqNumSamples;
} else {
numSamples = 1;
@@ -2757,26 +2763,25 @@ public class PGL {
if (status == FRAMEBUFFER_COMPLETE) {
return true;
} else if (status == FRAMEBUFFER_INCOMPLETE_ATTACHMENT) {
throw new RuntimeException(
"GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT (" +
Integer.toHexString(status) + ")");
System.err.println(String.format(FRAMEBUFFER_ERROR_MESSAGE,
"incomplete attachment"));
} else if (status == FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) {
throw new RuntimeException(
"GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT (" +
Integer.toHexString(status) + ")");
System.err.println(String.format(FRAMEBUFFER_ERROR_MESSAGE,
"incomplete missing attachment"));
} else if (status == FRAMEBUFFER_INCOMPLETE_DIMENSIONS) {
throw new RuntimeException("GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS (" +
Integer.toHexString(status) + ")");
System.err.println(String.format(FRAMEBUFFER_ERROR_MESSAGE,
"incomplete dimensions"));
} else if (status == FRAMEBUFFER_INCOMPLETE_FORMATS) {
throw new RuntimeException("GL_FRAMEBUFFER_INCOMPLETE_FORMATS (" +
Integer.toHexString(status) + ")");
System.err.println(String.format(FRAMEBUFFER_ERROR_MESSAGE,
"incomplete formats"));
} else if (status == FRAMEBUFFER_UNSUPPORTED) {
throw new RuntimeException("GL_FRAMEBUFFER_UNSUPPORTED" +
Integer.toHexString(status));
System.err.println(String.format(FRAMEBUFFER_ERROR_MESSAGE,
"framebuffer unsupported"));
} else {
throw new RuntimeException("unknown framebuffer error (" +
Integer.toHexString(status) + ")");
System.err.println(String.format(FRAMEBUFFER_ERROR_MESSAGE,
"unknown error"));
}
return false;
}