diff options
Diffstat (limited to 'src/net')
| -rw-r--r-- | src/net/java/games/jogl/impl/windows/WindowsPbufferGLContext.java | 70 |
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. |