From 41b58954e1742493452b91d9ecdb761db5de3bed Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Thu, 10 Jun 2004 12:48:07 +0000 Subject: New driver for i915 as well as older i830/i845/i865 chipsets. --- src/mesa/drivers/dri/i915/intel_screen.c | 543 +++++++++++++++++++++++++++++++ 1 file changed, 543 insertions(+) create mode 100644 src/mesa/drivers/dri/i915/intel_screen.c (limited to 'src/mesa/drivers/dri/i915/intel_screen.c') diff --git a/src/mesa/drivers/dri/i915/intel_screen.c b/src/mesa/drivers/dri/i915/intel_screen.c new file mode 100644 index 0000000000..d34f7ac731 --- /dev/null +++ b/src/mesa/drivers/dri/i915/intel_screen.c @@ -0,0 +1,543 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#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" + +#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; + } + } + +#ifndef _SOLO + 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" ); + } + } + } +#endif + + 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) +#ifndef _SOLO +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; +} +#else +void *__driCreateScreen(struct DRIDriverRec *driver, + struct DRIDriverContextRec *driverContext) +{ + __DRIscreenPrivate *psp; + psp = __driUtilCreateScreen(driver, driverContext, &i830API); + return (void *) psp; +} +#endif +#endif /* !defined(DRI_NEW_INTERFACE_ONLY) */ + + +/* This function is called by libGL.so as soon as libGL.so is loaded. + * This is where we'd register new extension functions with the dispatcher. + * + * Note: Most of these are probably already registered - just doing + * this for the benefit of old libGL.so's out there. + */ +#include "glapioffsets.h" + +void __driRegisterExtensions( void ) +{ + int i; + static struct { const char *name; int offset; } funcs[] = { + { "glSecondaryColor3bEXT", _gloffset_SecondaryColor3bEXT }, + { "glSecondaryColor3dEXT", _gloffset_SecondaryColor3dEXT }, + { "glSecondaryColor3fEXT", _gloffset_SecondaryColor3fEXT }, + { "glSecondaryColor3iEXT", _gloffset_SecondaryColor3iEXT }, + { "glSecondaryColor3sEXT", _gloffset_SecondaryColor3sEXT }, + { "glSecondaryColor3ubEXT", _gloffset_SecondaryColor3ubEXT }, + { "glSecondaryColor3uiEXT", _gloffset_SecondaryColor3uiEXT }, + { "glSecondaryColor3usEXT", _gloffset_SecondaryColor3usEXT }, + { "glSecondaryColor3bvEXT", _gloffset_SecondaryColor3bvEXT }, + { "glSecondaryColor3dvEXT", _gloffset_SecondaryColor3dvEXT }, + { "glSecondaryColor3fvEXT", _gloffset_SecondaryColor3fvEXT }, + { "glSecondaryColor3ivEXT", _gloffset_SecondaryColor3ivEXT }, + { "glSecondaryColor3svEXT", _gloffset_SecondaryColor3svEXT }, + { "glSecondaryColor3ubvEXT", _gloffset_SecondaryColor3ubvEXT }, + { "glSecondaryColor3uivEXT", _gloffset_SecondaryColor3uivEXT }, + { "glSecondaryColor3usvEXT", _gloffset_SecondaryColor3usvEXT }, + { "glSecondaryColorPointerEXT", _gloffset_SecondaryColorPointerEXT } + }; + + for (i = 0 ; i < sizeof(funcs) / sizeof(*funcs) ; i++ ) + _glapi_add_entrypoint( funcs[i].name, funcs[i].offset ); +} + + +#ifdef USE_NEW_INTERFACE +static __GLcontextModes * fill_in_modes( __GLcontextModes * modes, + unsigned pixel_bits, + unsigned depth_bits, + unsigned stencil_bits, + const GLenum * db_modes, + unsigned num_db_modes, + int visType ) +{ + static const uint8_t bits[2][4] = { + { 5, 6, 5, 0 }, + { 8, 8, 8, 8 } + }; + + static const uint32_t masks[2][4] = { + { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, + { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 } + }; + + unsigned i; + unsigned j; + const unsigned index = ((pixel_bits + 15) / 16) - 1; + + for ( i = 0 ; i < num_db_modes ; i++ ) { + for ( j = 0 ; j < 2 ; j++ ) { + + modes->redBits = bits[index][0]; + modes->greenBits = bits[index][1]; + modes->blueBits = bits[index][2]; + modes->alphaBits = bits[index][3]; + modes->redMask = masks[index][0]; + modes->greenMask = masks[index][1]; + modes->blueMask = masks[index][2]; + modes->alphaMask = masks[index][3]; + modes->rgbBits = modes->redBits + modes->greenBits + + modes->blueBits + modes->alphaBits; + + modes->accumRedBits = 16 * j; + modes->accumGreenBits = 16 * j; + modes->accumBlueBits = 16 * j; + modes->accumAlphaBits = (masks[index][3] != 0) ? 16 * j : 0; + modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG; + + modes->stencilBits = stencil_bits; + modes->depthBits = depth_bits; + + modes->visualType = visType; + modes->renderType = GLX_RGBA_BIT; + modes->drawableType = GLX_WINDOW_BIT; + modes->rgbMode = GL_TRUE; + + if ( db_modes[i] == GLX_NONE ) { + modes->doubleBufferMode = GL_FALSE; + } + else { + modes->doubleBufferMode = GL_TRUE; + modes->swapMethod = db_modes[i]; + } + + modes = modes->next; + } + } + + return modes; +} +#endif /* USE_NEW_INTERFACE */ + + +#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; + unsigned i; + + /* 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 + }; + + int depth_buffer_modes[2][2]; + + + depth_buffer_modes[0][0] = depth_bits; + depth_buffer_modes[1][0] = 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. + */ + depth_buffer_modes[0][1] = 0; + depth_buffer_modes[1][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; + + modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) ); + m = modes; + for ( i = 0 ; i < depth_buffer_factor ; i++ ) { + m = fill_in_modes( m, pixel_bits, + depth_buffer_modes[i][0], depth_buffer_modes[i][1], + back_buffer_modes, back_buffer_factor, + GLX_TRUE_COLOR ); + } + + /* There's no direct color modes on intel? */ +#if 0 + for ( i = 0 ; i < depth_buffer_factor ; i++ ) { + m = fill_in_modes( m, pixel_bits, + depth_buffer_modes[i][0], depth_buffer_modes[i][1], + back_buffer_modes, back_buffer_factor, + GLX_DIRECT_COLOR ); + } +#endif + + /* 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 */ -- cgit v1.2.3