diff options
Diffstat (limited to 'mesalib/src/mesa/drivers/windows/gldirect/dglpf.c')
-rw-r--r-- | mesalib/src/mesa/drivers/windows/gldirect/dglpf.c | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/mesalib/src/mesa/drivers/windows/gldirect/dglpf.c b/mesalib/src/mesa/drivers/windows/gldirect/dglpf.c new file mode 100644 index 000000000..4cd4d0334 --- /dev/null +++ b/mesalib/src/mesa/drivers/windows/gldirect/dglpf.c @@ -0,0 +1,620 @@ +/**************************************************************************** +* +* Mesa 3-D graphics library +* Direct3D Driver Interface +* +* ======================================================================== +* +* Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved. +* +* Permission is hereby granted, free of charge, to any person obtaining a +* copy of this software and associated documentation files (the "Software"), +* to deal in the Software without restriction, including without limitation +* the rights to use, copy, modify, merge, publish, distribute, sublicense, +* and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included +* in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +* SCITECH SOFTWARE INC BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF +* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +* SOFTWARE. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Windows 9x (Win32) +* +* Description: Pixel Formats. +* +****************************************************************************/ + +#include "dglpf.h" + +#ifdef _USE_GLD3_WGL +#include "gld_driver.h" +#endif + +// *********************************************************************** + +char szColorDepthWarning[] = +"GLDirect does not support the current desktop\n\ +color depth.\n\n\ +You may need to change the display resolution to\n\ +16 bits per pixel or higher color depth using\n\ +the Windows Display Settings control panel\n\ +before running this OpenGL application.\n"; + +// *********************************************************************** +// This pixel format will be used as a template when compiling the list +// of pixel formats supported by the hardware. Many fields will be +// filled in at runtime. +// PFD flag defaults are upgraded to match ChoosePixelFormat() -- DaveM +DGL_pixelFormat pfTemplateHW = +{ + { + sizeof(PIXELFORMATDESCRIPTOR), // Size of the data structure + 1, // Structure version - should be 1 + // Flags: + PFD_DRAW_TO_WINDOW | // The buffer can draw to a window or device surface. + PFD_DRAW_TO_BITMAP | // The buffer can draw to a bitmap. (DaveM) + PFD_SUPPORT_GDI | // The buffer supports GDI drawing. (DaveM) + PFD_SUPPORT_OPENGL | // The buffer supports OpenGL drawing. + PFD_DOUBLEBUFFER | // The buffer is double-buffered. + 0, // Placeholder for easy commenting of above flags + PFD_TYPE_RGBA, // Pixel type RGBA. + 16, // Total colour bitplanes (excluding alpha bitplanes) + 5, 0, // Red bits, shift + 5, 5, // Green bits, shift + 5, 10, // Blue bits, shift + 0, 0, // Alpha bits, shift (destination alpha) + 0, // Accumulator bits (total) + 0, 0, 0, 0, // Accumulator bits: Red, Green, Blue, Alpha + 0, // Depth bits + 0, // Stencil bits + 0, // Number of auxiliary buffers + 0, // Layer type + 0, // Specifies the number of overlay and underlay planes. + 0, // Layer mask + 0, // Specifies the transparent color or index of an underlay plane. + 0 // Damage mask + }, + -1, // No depth/stencil buffer +}; + +// *********************************************************************** +// Return the count of the number of bits in a Bit Mask. +int BitCount( + DWORD dw) +{ + int i; + + if (dw == 0) + return 0; // account for non-RGB mode + + for (i=0; dw; dw=dw>>1) + i += (dw & 1); + return i; +} + +// *********************************************************************** + +DWORD BitShift( + DWORD dwMaskIn) +{ + DWORD dwShift, dwMask; + + if (dwMaskIn == 0) + return 0; // account for non-RGB mode + + for (dwShift=0, dwMask=dwMaskIn; !(dwMask&1); dwShift++, dwMask>>=1); + + return dwShift; +} + +// *********************************************************************** + +BOOL IsValidPFD(int iPFD) +{ + DGL_pixelFormat *lpPF; + + // Validate license + if (!dglValidate()) + return FALSE; + + if ((glb.lpPF == NULL) || + (glb.nPixelFormatCount == 0)) + return FALSE; + + // Check PFD range + if ( (iPFD < 1) || (iPFD > glb.nPixelFormatCount) ) { + ddlogMessage(DDLOG_ERROR, "PFD out of range\n"); + return FALSE; // PFD is invalid + } + + // Make a pointer to the pixel format + lpPF = &glb.lpPF[iPFD-1]; + + // Check size + if (lpPF->pfd.nSize != sizeof(PIXELFORMATDESCRIPTOR)) { + ddlogMessage(DDLOG_ERROR, "Bad PFD size\n"); + return FALSE; // PFD is invalid + } + + // Check version + if (lpPF->pfd.nVersion != 1) { + ddlogMessage(DDLOG_ERROR, "PFD is not Version 1\n"); + return FALSE; // PFD is invalid + } + + return TRUE; // PFD is valid +} + +// *********************************************************************** + +#ifndef _USE_GLD3_WGL + +int iEnumCount; // Enumeration count +DWORD dwDisplayBitDepth; // Bit depth of current display mode + +// *********************************************************************** + +HRESULT WINAPI EnumDisplayModesCallback( + DDSURFACEDESC2* pddsd, + void *pvContext) +{ + DWORD dwModeDepth; + DDSURFACEDESC2 *lpDisplayMode; + char buf[32]; + + // Check parameters + if (pddsd == NULL) + return DDENUMRET_CANCEL; + + dwModeDepth = pddsd->ddpfPixelFormat.dwRGBBitCount; + lpDisplayMode = (DDSURFACEDESC2 *)pvContext; + + // Check mode for compatability with device. + if (dwModeDepth != dwDisplayBitDepth) + return DDENUMRET_OK; + + if (lpDisplayMode != NULL) { + memcpy(&lpDisplayMode[iEnumCount], pddsd, sizeof(DDSURFACEDESC2)); + sprintf(buf, TEXT("Mode: %ld x %ld x %ld\n"), + pddsd->dwWidth, pddsd->dwHeight, dwModeDepth); + ddlogMessage(DDLOG_INFO, buf); + } + + iEnumCount++; + + return DDENUMRET_OK; +} + +// *********************************************************************** + +HRESULT CALLBACK d3dEnumZBufferFormatsCallback( + DDPIXELFORMAT* pddpf, + VOID* lpZBufferPF ) +{ + char buf[64]; + + if(pddpf == NULL) + return D3DENUMRET_CANCEL; + + if (pddpf->dwFlags & DDPF_ZBUFFER) { + if (lpZBufferPF == NULL) { + // Pass 1. Merely counting the PF + glb.nZBufferPFCount++; + } else { + // Pass 2. Save the PF + if (pddpf->dwFlags & DDPF_STENCILBUFFER) { + sprintf(buf, " %d: Z=%d S=%d\n", + iEnumCount, + pddpf->dwZBufferBitDepth, + pddpf->dwStencilBitDepth); + } else { + sprintf(buf, " %d: Z=%d S=0\n", + iEnumCount, + pddpf->dwZBufferBitDepth); + } + ddlogMessage(DDLOG_INFO, buf); + + memcpy(&glb.lpZBufferPF[iEnumCount++], + pddpf, + sizeof(DDPIXELFORMAT)); + } + } + + return D3DENUMRET_OK; +} +#endif // _USE_GLD3_WGL + +// *********************************************************************** + +BOOL IsStencilSupportBroken(LPDIRECTDRAW4 lpDD4) +{ + DDDEVICEIDENTIFIER dddi; // DX6 device identifier + BOOL bBroken = FALSE; + + // Microsoft really fucked up with the GetDeviceIdentifier function + // on Windows 2000, since it locks up on stock driers on the CD. Updated + // drivers from vendors appear to work, but we can't identify the drivers + // without this function!!! For now we skip these tests on Windows 2000. + if ((GetVersion() & 0x80000000UL) == 0) + return FALSE; + + // Obtain device info + if (FAILED(IDirectDraw4_GetDeviceIdentifier(lpDD4, &dddi, 0))) + return FALSE; + + // Matrox G400 stencil buffer support does not draw anything in AutoCAD, + // but ordinary Z buffers draw shaded models fine. (DaveM) + if (dddi.dwVendorId == 0x102B) { // Matrox + if (dddi.dwDeviceId == 0x0525) { // G400 + bBroken = TRUE; + } + } + + return bBroken; +} + +// *********************************************************************** + +void dglBuildPixelFormatList() +{ + int i; + char buf[128]; + char cat[8]; + DGL_pixelFormat *lpPF; + +#ifdef _USE_GLD3_WGL + _gldDriver.BuildPixelformatList(); +#else + HRESULT hRes; + IDirectDraw *lpDD1 = NULL; + IDirectDraw4 *lpDD4 = NULL; + IDirect3D3 *lpD3D3 = NULL; + DDSURFACEDESC2 ddsdDisplayMode; + + DWORD dwRb, dwGb, dwBb, dwAb; // Bit counts + DWORD dwRs, dwGs, dwBs, dwAs; // Bit shifts + DWORD dwPixelType; // RGB or color index + + // Set defaults + glb.nPixelFormatCount = 0; + glb.lpPF = NULL; + glb.nZBufferPFCount = 0; + glb.lpZBufferPF = NULL; + glb.nDisplayModeCount = 0; + glb.lpDisplayModes = NULL; + + // + // Examine the hardware for depth and stencil + // + + if (glb.bPrimary) + hRes = DirectDrawCreate(NULL, &lpDD1, NULL); + else + hRes = DirectDrawCreate(&glb.ddGuid, &lpDD1, NULL); + + if (FAILED(hRes)) { + ddlogError(DDLOG_ERROR, "dglBPFL: DirectDrawCreate failed", hRes); + return; + } + + // Query for DX6 IDirectDraw4. + hRes = IDirectDraw_QueryInterface( + lpDD1, + &IID_IDirectDraw4, + (void**)&lpDD4); + if (FAILED(hRes)) { + ddlogError(DDLOG_ERROR, "dglBPFL: QueryInterface (DD4) failed", hRes); + goto clean_up; + } + + + // Retrieve caps of current display mode + ZeroMemory(&ddsdDisplayMode, sizeof(ddsdDisplayMode)); + ddsdDisplayMode.dwSize = sizeof(ddsdDisplayMode); + hRes = IDirectDraw4_GetDisplayMode(lpDD4, &ddsdDisplayMode); + if (FAILED(hRes)) + goto clean_up; + + dwDisplayBitDepth = ddsdDisplayMode.ddpfPixelFormat.dwRGBBitCount; + dwPixelType = (dwDisplayBitDepth <= 8) ? PFD_TYPE_COLORINDEX : PFD_TYPE_RGBA; + dwRb = BitCount(ddsdDisplayMode.ddpfPixelFormat.dwRBitMask); + dwGb = BitCount(ddsdDisplayMode.ddpfPixelFormat.dwGBitMask); + dwBb = BitCount(ddsdDisplayMode.ddpfPixelFormat.dwBBitMask); + dwRs = BitShift(ddsdDisplayMode.ddpfPixelFormat.dwRBitMask); + dwGs = BitShift(ddsdDisplayMode.ddpfPixelFormat.dwGBitMask); + dwBs = BitShift(ddsdDisplayMode.ddpfPixelFormat.dwBBitMask); + + if (BitCount(ddsdDisplayMode.ddpfPixelFormat.dwRGBAlphaBitMask)) { + dwAb = BitCount(ddsdDisplayMode.ddpfPixelFormat.dwRGBAlphaBitMask); + dwAs = BitShift(ddsdDisplayMode.ddpfPixelFormat.dwRGBAlphaBitMask); + } else { + dwAb = 0; + dwAs = 0; + } + + // Query for available display modes + ddlogMessage(DDLOG_INFO, "\n"); + ddlogMessage(DDLOG_INFO, "Display Modes:\n"); + + // Pass 1: Determine count + iEnumCount = 0; + hRes = IDirectDraw4_EnumDisplayModes( + lpDD4, + 0, + NULL, + NULL, + EnumDisplayModesCallback); + if (FAILED(hRes)) { + ddlogError(DDLOG_ERROR, "dglBPFL: EnumDisplayModes failed", hRes); + goto clean_up; + } + if (iEnumCount == 0) { + ddlogMessage(DDLOG_ERROR, "dglBPFL: No display modes found"); + goto clean_up; + } + glb.lpDisplayModes = (DDSURFACEDESC2 *)calloc(iEnumCount, + sizeof(DDSURFACEDESC2)); + if (glb.lpDisplayModes == NULL) { + ddlogMessage(DDLOG_ERROR, "dglBPFL: DDSURFACEDESC2 calloc failed"); + goto clean_up; + } + glb.nDisplayModeCount = iEnumCount; + // Pass 2: Save modes + iEnumCount = 0; + hRes = IDirectDraw4_EnumDisplayModes( + lpDD4, + 0, + NULL, + (void *)glb.lpDisplayModes, + EnumDisplayModesCallback); + if (FAILED(hRes)) { + ddlogError(DDLOG_ERROR, "dglBPFL: EnumDisplayModes failed", hRes); + goto clean_up; + } + // Query for IDirect3D3 interface + hRes = IDirectDraw4_QueryInterface( + lpDD4, + &IID_IDirect3D3, + (void**)&lpD3D3); + if (FAILED(hRes)) { + ddlogError(DDLOG_ERROR, "dglBPFL: QueryInterface (D3D3) failed", hRes); + goto clean_up; + } + + ddlogMessage(DDLOG_INFO, "\n"); + ddlogMessage(DDLOG_INFO, "ZBuffer formats:\n"); + + // Pass 1. Count the ZBuffer pixel formats + hRes = IDirect3D3_EnumZBufferFormats( + lpD3D3, + &glb.d3dGuid, + d3dEnumZBufferFormatsCallback, + NULL); + + if (FAILED(hRes)) + goto clean_up; + + if (glb.nZBufferPFCount) { + glb.lpZBufferPF = (DDPIXELFORMAT *)calloc(glb.nZBufferPFCount, + sizeof(DDPIXELFORMAT)); + if(glb.lpZBufferPF == NULL) + goto clean_up; + + // Pass 2. Cache the ZBuffer pixel formats + iEnumCount = 0; // (Used by the enum function) + hRes = IDirect3D3_EnumZBufferFormats( + lpD3D3, + &glb.d3dGuid, + d3dEnumZBufferFormatsCallback, + glb.lpZBufferPF); + + if (FAILED(hRes)) + goto clean_up; + } + + // Remove stencil support for boards which don't work for AutoCAD; + // Matrox G400 does not work, but NVidia TNT2 and ATI Rage128 do... (DaveM) + if (IsStencilSupportBroken(lpDD4)) { + for (i=0; i<iEnumCount; i++) + if (glb.lpZBufferPF[i].dwFlags & DDPF_STENCILBUFFER) + glb.nZBufferPFCount--; + } + + // One each for every ZBuffer pixel format (including no depth buffer) + // Times-two because duplicated for single buffering (as opposed to double) + glb.nPixelFormatCount = 2 * (glb.nZBufferPFCount + 1); + glb.lpPF = (DGL_pixelFormat *)calloc(glb.nPixelFormatCount, + sizeof(DGL_pixelFormat)); + if (glb.lpPF == NULL) + goto clean_up; + // + // Fill in the pixel formats + // Note: Depth buffer bits are really (dwZBufferBitDepth-dwStencilBitDepth) + // but this will pass wierd numbers to the OpenGL app. (?) + // + + pfTemplateHW.pfd.iPixelType = dwPixelType; + pfTemplateHW.pfd.cColorBits = dwDisplayBitDepth; + pfTemplateHW.pfd.cRedBits = dwRb; + pfTemplateHW.pfd.cGreenBits = dwGb; + pfTemplateHW.pfd.cBlueBits = dwBb; + pfTemplateHW.pfd.cAlphaBits = dwAb; + pfTemplateHW.pfd.cRedShift = dwRs; + pfTemplateHW.pfd.cGreenShift = dwGs; + pfTemplateHW.pfd.cBlueShift = dwBs; + pfTemplateHW.pfd.cAlphaShift = dwAs; + + lpPF = glb.lpPF; + + // Fill in the double-buffered pixel formats + for (i=0; i<(glb.nZBufferPFCount + 1); i++, lpPF++) { + memcpy(lpPF, &pfTemplateHW, sizeof(DGL_pixelFormat)); + if (i) { + lpPF->iZBufferPF = i-1; + lpPF->pfd.cDepthBits = glb.lpZBufferPF[i-1].dwZBufferBitDepth; + lpPF->pfd.cStencilBits = glb.lpZBufferPF[i-1].dwStencilBitDepth; + } + } + // Fill in the single-buffered pixel formats + for (i=0; i<(glb.nZBufferPFCount + 1); i++, lpPF++) { + memcpy(lpPF, &pfTemplateHW, sizeof(DGL_pixelFormat)); + if (i) { + lpPF->iZBufferPF = i-1; + lpPF->pfd.cDepthBits = glb.lpZBufferPF[i-1].dwZBufferBitDepth; + lpPF->pfd.cStencilBits = glb.lpZBufferPF[i-1].dwStencilBitDepth; + } + // Remove double-buffer flag. Could use XOR instead... + lpPF->pfd.dwFlags &= (~(PFD_DOUBLEBUFFER)); + // Insert GDI flag for single buffered format only. + lpPF->pfd.dwFlags |= PFD_SUPPORT_GDI; + } +#endif // _USE_GLD3_WGL + + // Lets dump the list to the log + // ** Based on "wglinfo" by Nate Robins ** + ddlogMessage(DDLOG_INFO, "\n"); + ddlogMessage(DDLOG_INFO, "Pixel Formats:\n"); + ddlogMessage(DDLOG_INFO, + " visual x bf lv rg d st r g b a ax dp st accum buffs ms\n"); + ddlogMessage(DDLOG_INFO, + " id dep cl sp sz l ci b ro sz sz sz sz bf th cl r g b a ns b\n"); + ddlogMessage(DDLOG_INFO, + "-----------------------------------------------------------------\n"); + for (i=0, lpPF = glb.lpPF; i<glb.nPixelFormatCount; i++, lpPF++) { + sprintf(buf, "0x%02x ", i+1); + + sprintf(cat, "%2d ", lpPF->pfd.cColorBits); + strcat(buf, cat); + if(lpPF->pfd.dwFlags & PFD_DRAW_TO_WINDOW) sprintf(cat, "wn "); + else if(lpPF->pfd.dwFlags & PFD_DRAW_TO_BITMAP) sprintf(cat, "bm "); + else sprintf(cat, ". "); + strcat(buf, cat); + + /* should find transparent pixel from LAYERPLANEDESCRIPTOR */ + sprintf(cat, " . "); + strcat(buf, cat); + + sprintf(cat, "%2d ", lpPF->pfd.cColorBits); + strcat(buf, cat); + + /* bReserved field indicates number of over/underlays */ + if(lpPF->pfd.bReserved) sprintf(cat, " %d ", lpPF->pfd.bReserved); + else sprintf(cat, " . "); + strcat(buf, cat); + + sprintf(cat, " %c ", lpPF->pfd.iPixelType == PFD_TYPE_RGBA ? 'r' : 'c'); + strcat(buf, cat); + + sprintf(cat, "%c ", lpPF->pfd.dwFlags & PFD_DOUBLEBUFFER ? 'y' : '.'); + strcat(buf, cat); + + sprintf(cat, " %c ", lpPF->pfd.dwFlags & PFD_STEREO ? 'y' : '.'); + strcat(buf, cat); + + if(lpPF->pfd.cRedBits && lpPF->pfd.iPixelType == PFD_TYPE_RGBA) + sprintf(cat, "%2d ", lpPF->pfd.cRedBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cGreenBits && lpPF->pfd.iPixelType == PFD_TYPE_RGBA) + sprintf(cat, "%2d ", lpPF->pfd.cGreenBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cBlueBits && lpPF->pfd.iPixelType == PFD_TYPE_RGBA) + sprintf(cat, "%2d ", lpPF->pfd.cBlueBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cAlphaBits && lpPF->pfd.iPixelType == PFD_TYPE_RGBA) + sprintf(cat, "%2d ", lpPF->pfd.cAlphaBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cAuxBuffers) sprintf(cat, "%2d ", lpPF->pfd.cAuxBuffers); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cDepthBits) sprintf(cat, "%2d ", lpPF->pfd.cDepthBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cStencilBits) sprintf(cat, "%2d ", lpPF->pfd.cStencilBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cAccumRedBits) sprintf(cat, "%2d ", lpPF->pfd.cAccumRedBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cAccumGreenBits) sprintf(cat, "%2d ", lpPF->pfd.cAccumGreenBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cAccumBlueBits) sprintf(cat, "%2d ", lpPF->pfd.cAccumBlueBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + if(lpPF->pfd.cAccumAlphaBits) sprintf(cat, "%2d ", lpPF->pfd.cAccumAlphaBits); + else sprintf(cat, " . "); + strcat(buf, cat); + + /* no multisample in Win32 */ + sprintf(cat, " . .\n"); + strcat(buf, cat); + + ddlogMessage(DDLOG_INFO, buf); + } + ddlogMessage(DDLOG_INFO, + "-----------------------------------------------------------------\n"); + ddlogMessage(DDLOG_INFO, "\n"); + +#ifndef _USE_GLD3_WGL +clean_up: + // Release COM objects + RELEASE(lpD3D3); + RELEASE(lpDD4); + RELEASE(lpDD1); + + // Popup warning message if non RGB color mode + if (dwDisplayBitDepth <= 8) { + ddlogPrintf(DDLOG_WARN, "Current Color Depth %d bpp is not supported", dwDisplayBitDepth); + MessageBox(NULL, szColorDepthWarning, "GLDirect", MB_OK | MB_ICONWARNING); + } +#endif // _USE_GLD3_WGL +} + +// *********************************************************************** + +void dglReleasePixelFormatList() +{ + glb.nPixelFormatCount = 0; + if (glb.lpPF) { + free(glb.lpPF); + glb.lpPF = NULL; + } +#ifndef _USE_GLD3_WGL + glb.nZBufferPFCount = 0; + if (glb.lpZBufferPF) { + free(glb.lpZBufferPF); + glb.lpZBufferPF = NULL; + } + glb.nDisplayModeCount = 0; + if (glb.lpDisplayModes) { + free(glb.lpDisplayModes); + glb.lpDisplayModes = NULL; + } +#endif // _USE_GLD3_WGL +} + +// *********************************************************************** |