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-rw-r--r--src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java70
1 files changed, 48 insertions, 22 deletions
diff --git a/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java b/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java
index 9d803d58a..f0ce74d9d 100644
--- a/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java
+++ b/src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java
@@ -75,6 +75,13 @@ public class WindowsPbufferGLContext extends WindowsGLContext {
throw new GLException("Initial width and height of pbuffer must be positive (were (" +
initWidth + ", " + initHeight + "))");
}
+
+ if (DEBUG) {
+ System.out.println("Pbuffer caps on init: " + capabilities +
+ (capabilities.getOffscreenRenderToTexture() ? " [rtt]" : "") +
+ (capabilities.getOffscreenRenderToTextureRectangle() ? " [rect]" : "") +
+ (capabilities.getOffscreenFloatingPointBuffers() ? " [float]" : ""));
+ }
}
public boolean canCreatePbufferContext() {
@@ -128,6 +135,13 @@ public class WindowsPbufferGLContext extends WindowsGLContext {
int nfattribs = 0;
int niattribs = 0;
+ if (DEBUG) {
+ System.out.println("Pbuffer caps: " + capabilities +
+ (capabilities.getOffscreenRenderToTexture() ? " [rtt]" : "") +
+ (capabilities.getOffscreenRenderToTextureRectangle() ? " [rect]" : "") +
+ (capabilities.getOffscreenFloatingPointBuffers() ? " [float]" : ""));
+ }
+
rtt = capabilities.getOffscreenRenderToTexture();
rect = capabilities.getOffscreenRenderToTextureRectangle();
boolean useFloat = capabilities.getOffscreenFloatingPointBuffers();
@@ -228,9 +242,10 @@ public class WindowsPbufferGLContext extends WindowsGLContext {
iattributes[5] = GL.WGL_FLOAT_COMPONENTS_NV;
iattributes[6] = GL.WGL_SAMPLE_BUFFERS_EXT;
iattributes[7] = GL.WGL_SAMPLES_EXT;
- int[] ivalues = new int[8];
+ iattributes[8] = GL.WGL_DRAW_TO_PBUFFER_ARB;
+ int[] ivalues = new int[9];
for (int i = 0; i < nformats; i++) {
- if (!gl.wglGetPixelFormatAttribivARB(parentHdc, pformats[i], 0, 8, iattributes, ivalues)) {
+ if (!gl.wglGetPixelFormatAttribivARB(parentHdc, pformats[i], 0, 9, iattributes, ivalues)) {
throw new GLException("Error while querying pixel format " + pformats[i] +
"'s (index " + i + "'s) capabilities for debugging");
}
@@ -245,38 +260,49 @@ public class WindowsPbufferGLContext extends WindowsGLContext {
if (ivalues[5] != 0) {
System.err.print(" [float]");
}
+ if (ivalues[8] != 0) {
+ System.err.print(" [pbuffer]");
+ }
System.err.println();
}
}
- int format = pformats[0];
+ long tmpBuffer = 0;
+ int whichFormat = 0;
+ // Loop is a workaround for bugs in NVidia's recent drivers
+ do {
+ int format = pformats[whichFormat];
- // Create the p-buffer.
- niattribs = 0;
+ // Create the p-buffer.
+ niattribs = 0;
- if (rtt) {
- iattributes[niattribs++] = GL.WGL_TEXTURE_FORMAT_ARB;
- if (useFloat) {
- iattributes[niattribs++] = GL.WGL_TEXTURE_FLOAT_RGB_NV;
- } else {
- iattributes[niattribs++] = GL.WGL_TEXTURE_RGBA_ARB;
- }
+ if (rtt) {
+ iattributes[niattribs++] = GL.WGL_TEXTURE_FORMAT_ARB;
+ if (useFloat) {
+ iattributes[niattribs++] = GL.WGL_TEXTURE_FLOAT_RGB_NV;
+ } else {
+ iattributes[niattribs++] = GL.WGL_TEXTURE_RGBA_ARB;
+ }
- iattributes[niattribs++] = GL.WGL_TEXTURE_TARGET_ARB;
- iattributes[niattribs++] = rect ? GL.WGL_TEXTURE_RECTANGLE_NV : GL.WGL_TEXTURE_2D_ARB;
+ iattributes[niattribs++] = GL.WGL_TEXTURE_TARGET_ARB;
+ iattributes[niattribs++] = rect ? GL.WGL_TEXTURE_RECTANGLE_NV : GL.WGL_TEXTURE_2D_ARB;
- iattributes[niattribs++] = GL.WGL_MIPMAP_TEXTURE_ARB;
- iattributes[niattribs++] = GL.GL_FALSE;
+ iattributes[niattribs++] = GL.WGL_MIPMAP_TEXTURE_ARB;
+ iattributes[niattribs++] = GL.GL_FALSE;
- iattributes[niattribs++] = GL.WGL_PBUFFER_LARGEST_ARB;
- iattributes[niattribs++] = GL.GL_FALSE;
- }
+ iattributes[niattribs++] = GL.WGL_PBUFFER_LARGEST_ARB;
+ iattributes[niattribs++] = GL.GL_FALSE;
+ }
+
+ iattributes[niattribs++] = 0;
- iattributes[niattribs++] = 0;
+ tmpBuffer = gl.wglCreatePbufferARB(parentHdc, format, initWidth, initHeight, iattributes);
+ ++whichFormat;
+ } while ((tmpBuffer == 0) && (whichFormat < nformats));
- long tmpBuffer = gl.wglCreatePbufferARB(parentHdc, format, initWidth, initHeight, iattributes);
if (tmpBuffer == 0) {
- throw new GLException("pbuffer creation error: wglCreatePbufferARB() failed: " + wglGetLastError());
+ throw new GLException("pbuffer creation error: wglCreatePbufferARB() failed: tried " + nformats +
+ " pixel formats, last error was: " + wglGetLastError());
}
// Get the device context.