/************************************************************************** * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * 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, sub license, 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 (including the * next paragraph) 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 NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. * **************************************************************************/ #include "glheader.h" #include "context.h" #include "matrix.h" #include "simple_list.h" #include "utils.h" #include "intel_screen.h" #include "intel_tex.h" #include "intel_span.h" #include "intel_tris.h" #include "intel_ioctl.h" #include "i830_dri.h" const char __driConfigOptions[] = { 0 }; const GLuint __driNConfigOptions = 0; #ifdef USE_NEW_INTERFACE static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; #endif /*USE_NEW_INTERFACE*/ static void intelPrintDRIInfo(intelScreenPrivate *intelScreen, __DRIscreenPrivate *sPriv, I830DRIPtr gDRIPriv) { fprintf(stderr, "Front size : 0x%x\n", sPriv->fbSize); fprintf(stderr, "Front offset : 0x%x\n", intelScreen->frontOffset); fprintf(stderr, "Back size : 0x%x\n", intelScreen->back.size); fprintf(stderr, "Back offset : 0x%x\n", intelScreen->backOffset); fprintf(stderr, "Depth size : 0x%x\n", intelScreen->depth.size); fprintf(stderr, "Depth offset : 0x%x\n", intelScreen->depthOffset); fprintf(stderr, "Texture size : 0x%x\n", intelScreen->textureSize); fprintf(stderr, "Texture offset : 0x%x\n", intelScreen->textureOffset); fprintf(stderr, "Memory : 0x%x\n", gDRIPriv->mem); } static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv) { intelScreenPrivate *intelScreen; I830DRIPtr gDRIPriv = (I830DRIPtr)sPriv->pDevPriv; /* Allocate the private area */ intelScreen = (intelScreenPrivate *)MALLOC(sizeof(intelScreenPrivate)); if (!intelScreen) { fprintf(stderr,"\nERROR! Allocating private area failed\n"); return GL_FALSE; } intelScreen->driScrnPriv = sPriv; sPriv->private = (void *)intelScreen; intelScreen->deviceID = gDRIPriv->deviceID; intelScreen->width = gDRIPriv->width; intelScreen->height = gDRIPriv->height; intelScreen->mem = gDRIPriv->mem; intelScreen->cpp = gDRIPriv->cpp; intelScreen->frontPitch = gDRIPriv->fbStride; intelScreen->frontOffset = gDRIPriv->fbOffset; switch (gDRIPriv->bitsPerPixel) { case 15: intelScreen->fbFormat = DV_PF_555; break; case 16: intelScreen->fbFormat = DV_PF_565; break; case 32: intelScreen->fbFormat = DV_PF_8888; break; } intelScreen->backOffset = gDRIPriv->backOffset; intelScreen->backPitch = gDRIPriv->backPitch; intelScreen->depthOffset = gDRIPriv->depthOffset; intelScreen->depthPitch = gDRIPriv->depthPitch; intelScreen->textureOffset = gDRIPriv->textureOffset; intelScreen->textureSize = gDRIPriv->textureSize; intelScreen->logTextureGranularity = gDRIPriv->logTextureGranularity; intelScreen->back.handle = gDRIPriv->backbuffer; intelScreen->back.size = gDRIPriv->backbufferSize; if (drmMap(sPriv->fd, intelScreen->back.handle, intelScreen->back.size, (drmAddress *)&intelScreen->back.map) != 0) { fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", __LINE__, __FUNCTION__, __FILE__); FREE(intelScreen); sPriv->private = NULL; return GL_FALSE; } intelScreen->depth.handle = gDRIPriv->depthbuffer; intelScreen->depth.size = gDRIPriv->depthbufferSize; if (drmMap(sPriv->fd, intelScreen->depth.handle, intelScreen->depth.size, (drmAddress *)&intelScreen->depth.map) != 0) { fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", __LINE__, __FUNCTION__, __FILE__); FREE(intelScreen); drmUnmap(intelScreen->back.map, intelScreen->back.size); sPriv->private = NULL; return GL_FALSE; } intelScreen->tex.handle = gDRIPriv->textures; intelScreen->tex.size = gDRIPriv->textureSize; if (drmMap(sPriv->fd, intelScreen->tex.handle, intelScreen->tex.size, (drmAddress *)&intelScreen->tex.map) != 0) { fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", __LINE__, __FUNCTION__, __FILE__); FREE(intelScreen); drmUnmap(intelScreen->back.map, intelScreen->back.size); drmUnmap(intelScreen->depth.map, intelScreen->depth.size); sPriv->private = NULL; return GL_FALSE; } intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; if (0) intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv); intelScreen->drmMinor = sPriv->drmMinor; { int ret; drmI830GetParam gp; gp.param = I830_PARAM_IRQ_ACTIVE; gp.value = &intelScreen->irq_active; ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM, &gp, sizeof(gp)); if (ret) { fprintf(stderr, "drmI830GetParam: %d\n", ret); return GL_FALSE; } } { int ret; drmI830GetParam gp; gp.param = I830_PARAM_ALLOW_BATCHBUFFER; gp.value = &intelScreen->allow_batchbuffer; ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM, &gp, sizeof(gp)); if (ret) { fprintf(stderr, "drmI830GetParam: (%d) %d\n", gp.param, ret); return GL_FALSE; } } if ( driCompareGLXAPIVersion( 20030813 ) >= 0 ) { PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = (PFNGLXSCRENABLEEXTENSIONPROC) glXGetProcAddress( (const GLubyte *) "__glXScrEnableExtension" ); void * const psc = sPriv->psc->screenConfigs; if (glx_enable_extension != NULL) { (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" ); if ( driCompareGLXAPIVersion( 20030915 ) >= 0 ) { (*glx_enable_extension)( psc, "GLX_SGIX_fbconfig" ); (*glx_enable_extension)( psc, "GLX_OML_swap_method" ); } if ( driCompareGLXAPIVersion( 20030818 ) >= 0 ) { sPriv->psc->allocateMemory = (void *) intelAllocateMemoryMESA; sPriv->psc->freeMemory = (void *) intelFreeMemoryMESA; sPriv->psc->memoryOffset = (void *) intelGetMemoryOffsetMESA; (*glx_enable_extension)( psc, "GLX_MESA_allocate_memory" ); } } } return GL_TRUE; } static void intelDestroyScreen(__DRIscreenPrivate *sPriv) { intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private; /* Need to unmap all the bufs and maps here: */ drmUnmap(intelScreen->back.map, intelScreen->back.size); drmUnmap(intelScreen->depth.map, intelScreen->depth.size); drmUnmap(intelScreen->tex.map, intelScreen->tex.size); FREE(intelScreen); sPriv->private = NULL; } static GLboolean intelCreateBuffer( __DRIscreenPrivate *driScrnPriv, __DRIdrawablePrivate *driDrawPriv, const __GLcontextModes *mesaVis, GLboolean isPixmap ) { if (isPixmap) { return GL_FALSE; /* not implemented */ } else { GLboolean swStencil = (mesaVis->stencilBits > 0 && mesaVis->depthBits != 24); driDrawPriv->driverPrivate = (void *) _mesa_create_framebuffer(mesaVis, GL_FALSE, /* software depth buffer? */ swStencil, mesaVis->accumRedBits > 0, GL_FALSE /* s/w alpha planes */); return (driDrawPriv->driverPrivate != NULL); } } static void intelDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) { _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); } /* There are probably better ways to do this, such as an * init-designated function to register chipids and createcontext * functions. */ extern GLboolean i830CreateContext( const __GLcontextModes *mesaVis, __DRIcontextPrivate *driContextPriv, void *sharedContextPrivate); extern GLboolean i915CreateContext( const __GLcontextModes *mesaVis, __DRIcontextPrivate *driContextPriv, void *sharedContextPrivate); static GLboolean intelCreateContext( const __GLcontextModes *mesaVis, __DRIcontextPrivate *driContextPriv, void *sharedContextPrivate) { __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private; switch (intelScreen->deviceID) { case PCI_CHIP_845_G: case PCI_CHIP_I830_M: case PCI_CHIP_I855_GM: case PCI_CHIP_I865_G: return i830CreateContext( mesaVis, driContextPriv, sharedContextPrivate ); case PCI_CHIP_I915_G: return i915CreateContext( mesaVis, driContextPriv, sharedContextPrivate ); default: fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID); return GL_FALSE; } } static const struct __DriverAPIRec intelAPI = { .InitDriver = intelInitDriver, .DestroyScreen = intelDestroyScreen, .CreateContext = intelCreateContext, .DestroyContext = intelDestroyContext, .CreateBuffer = intelCreateBuffer, .DestroyBuffer = intelDestroyBuffer, .SwapBuffers = intelSwapBuffers, .MakeCurrent = intelMakeCurrent, .UnbindContext = intelUnbindContext, .GetSwapInfo = NULL, .GetMSC = NULL, .WaitForMSC = NULL, .WaitForSBC = NULL, .SwapBuffersMSC = NULL }; /* * This is the bootstrap function for the driver. * The __driCreateScreen name is the symbol that libGL.so fetches. * Return: pointer to a __DRIscreenPrivate. */ #if !defined(DRI_NEW_INTERFACE_ONLY) void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc, int numConfigs, __GLXvisualConfig *config) { __DRIscreenPrivate *psp; psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &intelAPI); return (void *) psp; } #endif /* !defined(DRI_NEW_INTERFACE_ONLY) */ #ifdef USE_NEW_INTERFACE static __GLcontextModes * intelFillInModes( unsigned pixel_bits, unsigned depth_bits, unsigned stencil_bits, GLboolean have_back_buffer ) { __GLcontextModes * modes; __GLcontextModes * m; unsigned num_modes; unsigned depth_buffer_factor; unsigned back_buffer_factor; GLenum fb_format; GLenum fb_type; /* GLX_SWAP_COPY_OML is only supported because the MGA driver doesn't * support pageflipping at all. */ static const GLenum back_buffer_modes[] = { GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML }; uint8_t depth_bits_array[2]; uint8_t stencil_bits_array[2]; depth_bits_array[0] = 0; depth_bits_array[1] = depth_bits; /* Just like with the accumulation buffer, always provide some modes * with a stencil buffer. It will be a sw fallback, but some apps won't * care about that. */ stencil_bits_array[0] = 0; stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits; depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1; back_buffer_factor = (have_back_buffer) ? 3 : 1; num_modes = depth_buffer_factor * back_buffer_factor * 4; if ( pixel_bits == 16 ) { fb_format = GL_RGB; fb_type = GL_UNSIGNED_SHORT_5_6_5; } else { fb_format = GL_BGRA; fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; } modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) ); m = modes; if ( ! driFillInModes( & m, fb_format, fb_type, depth_bits_array, stencil_bits_array, depth_buffer_factor, back_buffer_modes, back_buffer_factor, GLX_TRUE_COLOR ) ) { fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", __func__, __LINE__ ); return NULL; } /* There's no direct color modes on intel? */ /* Mark the visual as slow if there are "fake" stencil bits. */ for ( m = modes ; m != NULL ; m = m->next ) { if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) { m->visualRating = GLX_SLOW_CONFIG; } } return modes; } #endif /* USE_NEW_INTERFACE */ /** * This is the bootstrap function for the driver. libGL supplies all of the * requisite information about the system, and the driver initializes itself. * This routine also fills in the linked list pointed to by \c driver_modes * with the \c __GLcontextModes that the driver can support for windows or * pbuffers. * * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on * failure. */ #ifdef USE_NEW_INTERFACE void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc, const __GLcontextModes * modes, const __DRIversion * ddx_version, const __DRIversion * dri_version, const __DRIversion * drm_version, const __DRIframebuffer * frame_buffer, drmAddress pSAREA, int fd, int internal_api_version, __GLcontextModes ** driver_modes ) { __DRIscreenPrivate *psp; static const __DRIversion ddx_expected = { 1, 0, 0 }; static const __DRIversion dri_expected = { 4, 0, 0 }; static const __DRIversion drm_expected = { 1, 1, 0 }; if ( ! driCheckDriDdxDrmVersions2( "i915", dri_version, & dri_expected, ddx_version, & ddx_expected, drm_version, & drm_expected ) ) { return NULL; } psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL, ddx_version, dri_version, drm_version, frame_buffer, pSAREA, fd, internal_api_version, &intelAPI); if ( psp != NULL ) { create_context_modes = (PFNGLXCREATECONTEXTMODES) glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" ); if ( create_context_modes != NULL ) { I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; *driver_modes = intelFillInModes( dri_priv->cpp * 8, (dri_priv->cpp == 2) ? 16 : 24, (dri_priv->cpp == 2) ? 0 : 8, (dri_priv->backOffset != dri_priv->depthOffset) ); } } return (void *) psp; } #endif /* USE_NEW_INTERFACE */