diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/windows')
| -rw-r--r-- | src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java | 242 | ||||
| -rw-r--r-- | src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java | 122 |
2 files changed, 184 insertions, 180 deletions
diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java b/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java index b4e059b72..b3f772573 100644 --- a/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java +++ b/src/classes/com/sun/opengl/impl/windows/WindowsGLDrawable.java @@ -110,73 +110,16 @@ public abstract class WindowsGLDrawable extends GLDrawableImpl { boolean haveWGLARBMultisample = false; boolean gotAvailableCaps = false; if (dummyWGLExt != null) { - haveWGLChoosePixelFormatARB = dummyWGLExt.isExtensionAvailable("WGL_ARB_pixel_format"); - haveWGLARBMultisample = dummyWGLExt.isExtensionAvailable("WGL_ARB_multisample"); - try { - if (haveWGLChoosePixelFormatARB) { - int[] iattributes = new int [2 * MAX_ATTRIBS]; - int[] iresults = new int [2 * MAX_ATTRIBS]; - float[] fattributes = new float[2 * MAX_ATTRIBS]; - int niattribs = 0; - int nfattribs = 0; - iattributes[niattribs++] = WGLExt.WGL_SUPPORT_OPENGL_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_WINDOW_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_ARB; - iattributes[niattribs++] = WGLExt.WGL_DOUBLE_BUFFER_ARB; - if (capabilities.getDoubleBuffered()) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - iattributes[niattribs++] = WGLExt.WGL_STEREO_ARB; - if (capabilities.getStereo()) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - iattributes[niattribs++] = WGLExt.WGL_DEPTH_BITS_ARB; - iattributes[niattribs++] = capabilities.getDepthBits(); - iattributes[niattribs++] = WGLExt.WGL_RED_BITS_ARB; - iattributes[niattribs++] = capabilities.getRedBits(); - iattributes[niattribs++] = WGLExt.WGL_GREEN_BITS_ARB; - iattributes[niattribs++] = capabilities.getGreenBits(); - iattributes[niattribs++] = WGLExt.WGL_BLUE_BITS_ARB; - iattributes[niattribs++] = capabilities.getBlueBits(); - iattributes[niattribs++] = WGLExt.WGL_ALPHA_BITS_ARB; - iattributes[niattribs++] = capabilities.getAlphaBits(); - iattributes[niattribs++] = WGLExt.WGL_STENCIL_BITS_ARB; - iattributes[niattribs++] = capabilities.getStencilBits(); - if (capabilities.getAccumRedBits() > 0 || - capabilities.getAccumGreenBits() > 0 || - capabilities.getAccumBlueBits() > 0 || - capabilities.getAccumAlphaBits() > 0) { - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BITS_ARB; - iattributes[niattribs++] = (capabilities.getAccumRedBits() + - capabilities.getAccumGreenBits() + - capabilities.getAccumBlueBits() + - capabilities.getAccumAlphaBits()); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_RED_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumRedBits(); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_GREEN_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumGreenBits(); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BLUE_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumBlueBits(); - iattributes[niattribs++] = WGLExt.WGL_ACCUM_ALPHA_BITS_ARB; - iattributes[niattribs++] = capabilities.getAccumAlphaBits(); - } - if (haveWGLARBMultisample) { - if (capabilities.getSampleBuffers()) { - iattributes[niattribs++] = WGLExt.WGL_SAMPLE_BUFFERS_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - iattributes[niattribs++] = WGLExt.WGL_SAMPLES_ARB; - iattributes[niattribs++] = capabilities.getNumSamples(); - } - } - + int[] iattributes = new int [2 * MAX_ATTRIBS]; + int[] iresults = new int [2 * MAX_ATTRIBS]; + float[] fattributes = new float[1]; + + if (glCapabilities2iattributes(capabilities, + iattributes, + dummyWGLExt, + false, + null)) { int[] pformats = new int[MAX_PFORMATS]; int[] numFormatsTmp = new int[1]; if (dummyWGLExt.wglChoosePixelFormatARB(hdc, @@ -218,7 +161,7 @@ public abstract class WindowsGLDrawable extends GLDrawableImpl { // "HardwareAccelerated" bit, which is basically // meaningless, and put in whether it can render to a // window, to a pbuffer, or to a pixmap) - niattribs = 0; + int niattribs = 0; iattributes[0] = WGLExt.WGL_NUMBER_PIXEL_FORMATS_ARB; if (dummyWGLExt.wglGetPixelFormatAttribivARB(hdc, 0, 0, 1, iattributes, 0, iresults, 0)) { numFormats = iresults[0]; @@ -252,7 +195,7 @@ public abstract class WindowsGLDrawable extends GLDrawableImpl { if (!dummyWGLExt.wglGetPixelFormatAttribivARB(hdc, i+1, 0, niattribs, iattributes, 0, iresults, 0)) { throw new GLException("Error getting pixel format attributes for pixel format " + (i + 1) + " of device context"); } - availableCaps[i] = iattributes2GLCapabilities(iattributes, iresults, niattribs, true); + availableCaps[i] = iattributes2GLCapabilities(iattributes, iresults, true); } gotAvailableCaps = true; } else { @@ -398,13 +341,169 @@ public abstract class WindowsGLDrawable extends GLDrawableImpl { return res; } + protected static boolean glCapabilities2iattributes(GLCapabilities capabilities, + int[] iattributes, + WGLExt wglExt, + boolean pbuffer, + int[] floatMode) throws GLException { + if (!wglExt.isExtensionAvailable("WGL_ARB_pixel_format")) { + return false; + } + + int niattribs = 0; + + iattributes[niattribs++] = WGLExt.WGL_SUPPORT_OPENGL_ARB; + iattributes[niattribs++] = GL.GL_TRUE; + if (pbuffer) { + iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_PBUFFER_ARB; + iattributes[niattribs++] = GL.GL_TRUE; + } else { + iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_WINDOW_ARB; + iattributes[niattribs++] = GL.GL_TRUE; + } + + iattributes[niattribs++] = WGLExt.WGL_DOUBLE_BUFFER_ARB; + if (capabilities.getDoubleBuffered()) { + iattributes[niattribs++] = GL.GL_TRUE; + } else { + iattributes[niattribs++] = GL.GL_FALSE; + } + + iattributes[niattribs++] = WGLExt.WGL_STEREO_ARB; + if (capabilities.getStereo()) { + iattributes[niattribs++] = GL.GL_TRUE; + } else { + iattributes[niattribs++] = GL.GL_FALSE; + } + + iattributes[niattribs++] = WGLExt.WGL_DEPTH_BITS_ARB; + iattributes[niattribs++] = capabilities.getDepthBits(); + iattributes[niattribs++] = WGLExt.WGL_RED_BITS_ARB; + iattributes[niattribs++] = capabilities.getRedBits(); + iattributes[niattribs++] = WGLExt.WGL_GREEN_BITS_ARB; + iattributes[niattribs++] = capabilities.getGreenBits(); + iattributes[niattribs++] = WGLExt.WGL_BLUE_BITS_ARB; + iattributes[niattribs++] = capabilities.getBlueBits(); + iattributes[niattribs++] = WGLExt.WGL_ALPHA_BITS_ARB; + iattributes[niattribs++] = capabilities.getAlphaBits(); + iattributes[niattribs++] = WGLExt.WGL_STENCIL_BITS_ARB; + iattributes[niattribs++] = capabilities.getStencilBits(); + if (capabilities.getAccumRedBits() > 0 || + capabilities.getAccumGreenBits() > 0 || + capabilities.getAccumBlueBits() > 0 || + capabilities.getAccumAlphaBits() > 0) { + iattributes[niattribs++] = WGLExt.WGL_ACCUM_BITS_ARB; + iattributes[niattribs++] = (capabilities.getAccumRedBits() + + capabilities.getAccumGreenBits() + + capabilities.getAccumBlueBits() + + capabilities.getAccumAlphaBits()); + iattributes[niattribs++] = WGLExt.WGL_ACCUM_RED_BITS_ARB; + iattributes[niattribs++] = capabilities.getAccumRedBits(); + iattributes[niattribs++] = WGLExt.WGL_ACCUM_GREEN_BITS_ARB; + iattributes[niattribs++] = capabilities.getAccumGreenBits(); + iattributes[niattribs++] = WGLExt.WGL_ACCUM_BLUE_BITS_ARB; + iattributes[niattribs++] = capabilities.getAccumBlueBits(); + iattributes[niattribs++] = WGLExt.WGL_ACCUM_ALPHA_BITS_ARB; + iattributes[niattribs++] = capabilities.getAccumAlphaBits(); + } + + if (wglExt.isExtensionAvailable("WGL_ARB_multisample")) { + if (capabilities.getSampleBuffers()) { + iattributes[niattribs++] = WGLExt.WGL_SAMPLE_BUFFERS_ARB; + iattributes[niattribs++] = GL.GL_TRUE; + iattributes[niattribs++] = WGLExt.WGL_SAMPLES_ARB; + iattributes[niattribs++] = capabilities.getNumSamples(); + } + } + + boolean rtt = capabilities.getOffscreenRenderToTexture(); + boolean rect = capabilities.getOffscreenRenderToTextureRectangle(); + boolean useFloat = capabilities.getOffscreenFloatingPointBuffers(); + boolean ati = false; + if (pbuffer) { + // Check some invariants and set up some state + if (rtt && !rect) { + throw new GLException("Render-to-texture-rectangle requires render-to-texture to be specified"); + } + + if (rect) { + if (!wglExt.isExtensionAvailable("GL_NV_texture_rectangle")) { + throw new GLException("Render-to-texture-rectangle requires GL_NV_texture_rectangle extension"); + } + } + + if (useFloat) { + if (!wglExt.isExtensionAvailable("WGL_ATI_pixel_format_float") && + !wglExt.isExtensionAvailable("WGL_NV_float_buffer")) { + throw new GLException("Floating-point pbuffers not supported by this hardware"); + } + + // Prefer NVidia extension over ATI + if (wglExt.isExtensionAvailable("WGL_NV_float_buffer")) { + ati = false; + floatMode[0] = GLPbuffer.NV_FLOAT; + } else { + ati = true; + floatMode[0] = GLPbuffer.ATI_FLOAT; + } + if (DEBUG) { + System.err.println("Using " + (ati ? "ATI" : "NVidia") + " floating-point extension"); + } + } + + // See whether we need to change the pixel type to support ATI's + // floating-point pbuffers + if (useFloat && ati) { + if (rtt) { + throw new GLException("Render-to-floating-point-texture not supported on ATI hardware"); + } else { + iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; + iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_FLOAT_ATI; + } + } else { + if (!rtt) { + // Currently we don't support non-truecolor visuals in the + // GLCapabilities, so we don't offer the option of making + // color-index pbuffers. + iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; + iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_ARB; + } + } + + if (useFloat && !ati) { + iattributes[niattribs++] = WGLExt.WGL_FLOAT_COMPONENTS_NV; + iattributes[niattribs++] = GL.GL_TRUE; + } + + if (rtt) { + if (useFloat) { + assert(!ati); + if (!rect) { + throw new GLException("Render-to-floating-point-texture only supported on NVidia hardware with render-to-texture-rectangle"); + } + iattributes[niattribs++] = WGLExt.WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV; + iattributes[niattribs++] = GL.GL_TRUE; + } else { + iattributes[niattribs++] = rect ? WGLExt.WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV : WGLExt.WGL_BIND_TO_TEXTURE_RGB_ARB; + iattributes[niattribs++] = GL.GL_TRUE; + } + } + } else { + iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; + iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_ARB; + } + + return true; + } + protected static GLCapabilities iattributes2GLCapabilities(int[] iattribs, int[] iresults, - int niattribs, boolean requireRenderToWindow) { GLCapabilities res = new GLCapabilities(); - for (int i = 0; i < niattribs; i++) { - switch (iattribs[i]) { + int attr = 0; + int i = 0; + while ((attr = iattribs[i]) != 0) { + switch (attr) { case WGLExt.WGL_DRAW_TO_WINDOW_ARB: if (iresults[i] != GL.GL_TRUE) return null; @@ -483,6 +582,7 @@ public abstract class WindowsGLDrawable extends GLDrawableImpl { default: throw new GLException("Unknown pixel format attribute " + iattribs[i]); } + i++; } return res; } diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java b/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java index 3874edfd6..1543f420d 100644 --- a/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java +++ b/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java @@ -143,9 +143,9 @@ public class WindowsPbufferGLDrawable extends WindowsGLDrawable { private void createPbuffer(long parentHdc, WGLExt wglExt) { int[] iattributes = new int [2*MAX_ATTRIBS]; - float[] fattributes = new float[2*MAX_ATTRIBS]; - int nfattribs = 0; - int niattribs = 0; + float[] fattributes = new float[1]; + int[] floatModeTmp = new int[1]; + int niattribs = 0; if (DEBUG) { System.out.println("Pbuffer parentHdc = " + toHexString(parentHdc)); @@ -155,120 +155,24 @@ public class WindowsPbufferGLDrawable extends WindowsGLDrawable { (capabilities.getOffscreenFloatingPointBuffers() ? " [float]" : "")); } + if (!glCapabilities2iattributes(capabilities, + iattributes, + wglExt, + true, + floatModeTmp)) { + throw new GLException("Pbuffer-related extensions not supported"); + } + + floatMode = floatModeTmp[0]; boolean rtt = capabilities.getOffscreenRenderToTexture(); boolean rect = capabilities.getOffscreenRenderToTextureRectangle(); boolean useFloat = capabilities.getOffscreenFloatingPointBuffers(); boolean ati = false; - - // Since we are trying to create a pbuffer, the pixel format we - // request (and subsequently use) must be "p-buffer capable". - iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_PBUFFER_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - - if (rtt && !rect) { - throw new GLException("Render-to-texture-rectangle requires render-to-texture to be specified"); - } - - if (rect) { - if (!wglExt.isExtensionAvailable("GL_NV_texture_rectangle")) { - throw new GLException("Render-to-texture-rectangle requires GL_NV_texture_rectangle extension"); - } - } if (useFloat) { - if (!wglExt.isExtensionAvailable("WGL_ATI_pixel_format_float") && - !wglExt.isExtensionAvailable("WGL_NV_float_buffer")) { - throw new GLException("Floating-point pbuffers not supported by this hardware"); - } - - // Prefer NVidia extension over ATI - if (wglExt.isExtensionAvailable("WGL_NV_float_buffer")) { - ati = false; - floatMode = GLPbuffer.NV_FLOAT; - } else { - ati = true; - floatMode = GLPbuffer.ATI_FLOAT; - } - if (DEBUG) { - System.err.println("Using " + (ati ? "ATI" : "NVidia") + " floating-point extension"); - } - } - - if (useFloat && ati) { - if (rtt) { - throw new GLException("Render-to-floating-point-texture not supported on ATI hardware"); - } else { - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_FLOAT_ATI; - } - } else { - if (!rtt) { - // Currently we don't support non-truecolor visuals in the - // GLCapabilities, so we don't offer the option of making - // color-index pbuffers. - iattributes[niattribs++] = WGLExt.WGL_PIXEL_TYPE_ARB; - iattributes[niattribs++] = WGLExt.WGL_TYPE_RGBA_ARB; - } - } - - iattributes[niattribs++] = WGLExt.WGL_DOUBLE_BUFFER_ARB; - if (capabilities.getDoubleBuffered()) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - - iattributes[niattribs++] = WGLExt.WGL_DEPTH_BITS_ARB; - iattributes[niattribs++] = capabilities.getDepthBits(); - - iattributes[niattribs++] = WGLExt.WGL_RED_BITS_ARB; - iattributes[niattribs++] = capabilities.getRedBits(); - - iattributes[niattribs++] = WGLExt.WGL_GREEN_BITS_ARB; - iattributes[niattribs++] = capabilities.getGreenBits(); - - iattributes[niattribs++] = WGLExt.WGL_BLUE_BITS_ARB; - iattributes[niattribs++] = capabilities.getBlueBits(); - - iattributes[niattribs++] = WGLExt.WGL_ALPHA_BITS_ARB; - iattributes[niattribs++] = capabilities.getAlphaBits(); - - iattributes[niattribs++] = WGLExt.WGL_STENCIL_BITS_ARB; - if (capabilities.getStencilBits() > 0) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - - if (capabilities.getAccumRedBits() > 0 || - capabilities.getAccumGreenBits() > 0 || - capabilities.getAccumBlueBits() > 0) { - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BITS_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - } - - if (useFloat && !ati) { - iattributes[niattribs++] = WGLExt.WGL_FLOAT_COMPONENTS_NV; - iattributes[niattribs++] = GL.GL_TRUE; - } - - if (rtt) { - if (useFloat) { - assert(!ati); - if (!rect) { - throw new GLException("Render-to-floating-point-texture only supported on NVidia hardware with render-to-texture-rectangle"); - } - iattributes[niattribs++] = WGLExt.WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV; - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = rect ? WGLExt.WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV : WGLExt.WGL_BIND_TO_TEXTURE_RGB_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - } + ati = (floatMode == GLPbuffer.ATI_FLOAT); } - iattributes[niattribs++] = WGLExt.WGL_SUPPORT_OPENGL_ARB; - iattributes[niattribs++] = GL.GL_TRUE; - int[] pformats = new int[MAX_PFORMATS]; int nformats; int[] nformatsTmp = new int[1]; |