diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_screen.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_screen.c | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_screen.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_screen.c new file mode 100644 index 000000000..25def0b6f --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_screen.c @@ -0,0 +1,557 @@ +/************************************************************************** + * + * Copyright 1998-1999 Precision Insight, 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 PRECISION INSIGHT 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. + * + * **************************************************************************/ +/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_screen.c,v 1.3 2002/12/10 01:26:53 dawes Exp $ */ + +/** + * \file i830_screen.c + * + * Adapted for use on the I830M by Jeff Hartmann. + * + * \author Keith Whitwell <keith@tungstengraphics.com> + * \author Jeff Hartmann <jhartmann@2d3d.com> + */ + + +#include "glheader.h" +#include "context.h" +#include "matrix.h" +#include "simple_list.h" +#include "framebuffer.h" +#include "renderbuffer.h" + +#include "i830_screen.h" +#include "i830_dri.h" + +#include "i830_state.h" +#include "i830_tex.h" +#include "i830_span.h" +#include "i830_tris.h" +#include "i830_ioctl.h" + +#include "i830_dri.h" + +#include "utils.h" +#include "xmlpool.h" +#include "drirenderbuffer.h" + +PUBLIC const char __driConfigOptions[] = +DRI_CONF_BEGIN + DRI_CONF_SECTION_PERFORMANCE + DRI_CONF_MAX_TEXTURE_UNITS(4,2,4) + DRI_CONF_FORCE_S3TC_ENABLE(false) + DRI_CONF_SECTION_END +DRI_CONF_END; +const GLuint __driNConfigOptions = 2; + +extern const struct dri_extension card_extensions[]; + +static int i830_malloc_proxy_buf(drmBufMapPtr buffers) +{ + char *buffer; + drmBufPtr buf; + int i; + + buffer = ALIGN_MALLOC(I830_DMA_BUF_SZ, 32); + if(buffer == NULL) return -1; + for(i = 0; i < I830_DMA_BUF_NR; i++) { + buf = &(buffers->list[i]); + buf->address = (drmAddress)buffer; + } + + return 0; +} + +static drmBufMapPtr i830_create_empty_buffers(void) +{ + drmBufMapPtr retval; + + retval = (drmBufMapPtr)ALIGN_MALLOC(sizeof(drmBufMap), 32); + if(retval == NULL) return NULL; + memset(retval, 0, sizeof(drmBufMap)); + retval->list = (drmBufPtr)ALIGN_MALLOC(sizeof(drmBuf) * I830_DMA_BUF_NR, 32); + if(retval->list == NULL) { + FREE(retval); + return NULL; + } + + memset(retval->list, 0, sizeof(drmBuf) * I830_DMA_BUF_NR); + return retval; +} + +static void i830PrintDRIInfo(i830ScreenPrivate *i830Screen, + __DRIscreenPrivate *sPriv, + I830DRIPtr gDRIPriv) +{ + GLuint size = (gDRIPriv->ringSize + + i830Screen->textureSize + + i830Screen->depth.size + + i830Screen->back.size + + sPriv->fbSize + + I830_DMA_BUF_NR * I830_DMA_BUF_SZ + + 32768 /* Context Memory */ + + 16*4096 /* Ring buffer */ + + 64*1024 /* Scratch buffer */ + + 4096 /* Cursor */); + GLuint size_low = (gDRIPriv->ringSize + + i830Screen->textureSize + + sPriv->fbSize + + I830_DMA_BUF_NR * I830_DMA_BUF_SZ + + 32768 /* Context Memory */ + + 16*4096 /* Ring buffer */ + + 64*1024 /* Scratch buffer */); + + fprintf(stderr, "\nFront size : 0x%x\n", sPriv->fbSize); + fprintf(stderr, "Front offset : 0x%x\n", i830Screen->fbOffset); + fprintf(stderr, "Back size : 0x%x\n", i830Screen->back.size); + fprintf(stderr, "Back offset : 0x%x\n", i830Screen->backOffset); + fprintf(stderr, "Depth size : 0x%x\n", i830Screen->depth.size); + fprintf(stderr, "Depth offset : 0x%x\n", i830Screen->depthOffset); + fprintf(stderr, "Texture size : 0x%x\n", i830Screen->textureSize); + fprintf(stderr, "Texture offset : 0x%x\n", i830Screen->textureOffset); + fprintf(stderr, "Ring offset : 0x%x\n", gDRIPriv->ringOffset); + fprintf(stderr, "Ring size : 0x%x\n", gDRIPriv->ringSize); + fprintf(stderr, "Memory : 0x%x\n", gDRIPriv->mem); + fprintf(stderr, "Used Memory : low(0x%x) high(0x%x)\n", size_low, size); +} + +static GLboolean i830InitDriver(__DRIscreenPrivate *sPriv) +{ + i830ScreenPrivate *i830Screen; + I830DRIPtr gDRIPriv = (I830DRIPtr)sPriv->pDevPriv; + PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension = + (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension")); + void * const psc = sPriv->psc->screenConfigs; + + if (sPriv->devPrivSize != sizeof(I830DRIRec)) { + fprintf(stderr,"\nERROR! sizeof(I830DRIRec) does not match passed size from device driver\n"); + return GL_FALSE; + } + + /* Allocate the private area */ + i830Screen = (i830ScreenPrivate *)CALLOC(sizeof(i830ScreenPrivate)); + if (!i830Screen) { + fprintf(stderr,"\nERROR! Allocating private area failed\n"); + return GL_FALSE; + } + + /* parse information in __driConfigOptions */ + driParseOptionInfo (&i830Screen->optionCache, + __driConfigOptions, __driNConfigOptions); + + + i830Screen->driScrnPriv = sPriv; + sPriv->private = (void *)i830Screen; + + i830Screen->deviceID = gDRIPriv->deviceID; + i830Screen->width = gDRIPriv->width; + i830Screen->height = gDRIPriv->height; + i830Screen->mem = gDRIPriv->mem; + i830Screen->cpp = gDRIPriv->cpp; + i830Screen->fbStride = gDRIPriv->fbStride; + i830Screen->fbOffset = gDRIPriv->fbOffset; + + switch (gDRIPriv->bitsPerPixel) { + case 15: i830Screen->fbFormat = DV_PF_555; break; + case 16: i830Screen->fbFormat = DV_PF_565; break; + case 32: i830Screen->fbFormat = DV_PF_8888; break; + } + + i830Screen->backOffset = gDRIPriv->backOffset; + i830Screen->depthOffset = gDRIPriv->depthOffset; + i830Screen->backPitch = gDRIPriv->auxPitch; + i830Screen->backPitchBits = gDRIPriv->auxPitchBits; + i830Screen->textureOffset = gDRIPriv->textureOffset; + i830Screen->textureSize = gDRIPriv->textureSize; + i830Screen->logTextureGranularity = gDRIPriv->logTextureGranularity; + + + i830Screen->bufs = i830_create_empty_buffers(); + if(i830Screen->bufs == NULL) { + fprintf(stderr,"\nERROR: Failed to create empty buffers in %s \n", + __FUNCTION__); + FREE(i830Screen); + return GL_FALSE; + } + + /* Check if you need to create a fake buffer */ + if(i830_check_copy(sPriv->fd) == 1) { + i830_malloc_proxy_buf(i830Screen->bufs); + i830Screen->use_copy_buf = 1; + } else { + i830Screen->use_copy_buf = 0; + } + + i830Screen->back.handle = gDRIPriv->backbuffer; + i830Screen->back.size = gDRIPriv->backbufferSize; + + if (drmMap(sPriv->fd, + i830Screen->back.handle, + i830Screen->back.size, + (drmAddress *)&i830Screen->back.map) != 0) { + fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", + __LINE__, __FUNCTION__, __FILE__); + FREE(i830Screen); + sPriv->private = NULL; + return GL_FALSE; + } + + i830Screen->depth.handle = gDRIPriv->depthbuffer; + i830Screen->depth.size = gDRIPriv->depthbufferSize; + + if (drmMap(sPriv->fd, + i830Screen->depth.handle, + i830Screen->depth.size, + (drmAddress *)&i830Screen->depth.map) != 0) { + fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", + __LINE__, __FUNCTION__, __FILE__); + FREE(i830Screen); + drmUnmap(i830Screen->back.map, i830Screen->back.size); + sPriv->private = NULL; + return GL_FALSE; + } + + i830Screen->tex.handle = gDRIPriv->textures; + i830Screen->tex.size = gDRIPriv->textureSize; + + if (drmMap(sPriv->fd, + i830Screen->tex.handle, + i830Screen->tex.size, + (drmAddress *)&i830Screen->tex.map) != 0) { + fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n", + __LINE__, __FUNCTION__, __FILE__); + FREE(i830Screen); + drmUnmap(i830Screen->back.map, i830Screen->back.size); + drmUnmap(i830Screen->depth.map, i830Screen->depth.size); + sPriv->private = NULL; + return GL_FALSE; + } + + i830Screen->sarea_priv_offset = gDRIPriv->sarea_priv_offset; + + if (0) i830PrintDRIInfo(i830Screen, sPriv, gDRIPriv); + + i830Screen->drmMinor = sPriv->drmMinor; + + if (sPriv->drmMinor >= 3) { + int ret; + drmI830GetParam gp; + + gp.param = I830_PARAM_IRQ_ACTIVE; + gp.value = &i830Screen->irq_active; + + ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM, + &gp, sizeof(gp)); + if (ret) { + fprintf(stderr, "drmI830GetParam: %d\n", ret); + return GL_FALSE; + } + } + +#if 0 + if (sPriv->drmMinor >= 3) { + int ret; + drmI830SetParam sp; + + sp.param = I830_SETPARAM_PERF_BOXES; + sp.value = (getenv("I830_DO_BOXES") != 0); + + ret = drmCommandWrite( sPriv->fd, DRM_I830_SETPARAM, + &sp, sizeof(sp)); + if (ret) + fprintf(stderr, "Couldn't set perfboxes: %d\n", ret); + } +#endif + + if ( glx_enable_extension != NULL ) { + (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" ); + } + + return GL_TRUE; +} + + +static void i830DestroyScreen(__DRIscreenPrivate *sPriv) +{ + i830ScreenPrivate *i830Screen = (i830ScreenPrivate *)sPriv->private; + + /* Need to unmap all the bufs and maps here: + */ + drmUnmap(i830Screen->back.map, i830Screen->back.size); + drmUnmap(i830Screen->depth.map, i830Screen->depth.size); + drmUnmap(i830Screen->tex.map, i830Screen->tex.size); + FREE(i830Screen); + sPriv->private = NULL; +} + + +static GLboolean i830CreateBuffer(__DRIscreenPrivate *driScrnPriv, + __DRIdrawablePrivate *driDrawPriv, + const __GLcontextModes *mesaVis, + GLboolean isPixmap ) +{ + i830ScreenPrivate *screen = (i830ScreenPrivate *) driScrnPriv->private; + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { +#if 0 + GLboolean swStencil = (mesaVis->stencilBits > 0 && + mesaVis->depthBits != 24); +#else + GLboolean swStencil = mesaVis->stencilBits > 0; +#endif + +#if 0 + driDrawPriv->driverPrivate = (void *) + _mesa_create_framebuffer(mesaVis, + GL_FALSE, /* software depth buffer? */ + swStencil, + mesaVis->accumRedBits > 0, + GL_FALSE /* s/w alpha planes */); +#else + struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); + + { + driRenderbuffer *frontRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + /*screen->frontOffset*/0, screen->backPitch); + i830SetSpanFunctions(frontRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); + } + + if (mesaVis->doubleBufferMode) { + driRenderbuffer *backRb + = driNewRenderbuffer(GL_RGBA, screen->cpp, + screen->backOffset, screen->backPitch); + i830SetSpanFunctions(backRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); + } + + if (mesaVis->depthBits == 16) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT16, screen->cpp, + screen->depthOffset, screen->backPitch); + i830SetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else if (mesaVis->depthBits == 24) { + if (mesaVis->stencilBits == 8) { + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp, + screen->depthOffset, screen->backPitch); + i830SetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + else { + /* not really 32-bit Z, but use GL_DEPTH_COMPONENT32 anyway */ + driRenderbuffer *depthRb + = driNewRenderbuffer(GL_DEPTH_COMPONENT32, screen->cpp, + screen->depthOffset, screen->backPitch); + i830SetSpanFunctions(depthRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + } + + if (mesaVis->stencilBits > 0 && !swStencil) { + driRenderbuffer *stencilRb + = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, screen->cpp, + screen->depthOffset, screen->backPitch); + i830SetSpanFunctions(stencilRb, mesaVis); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); + } + + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* color */ + GL_FALSE, /* depth */ + swStencil, + mesaVis->accumRedBits > 0, + GL_FALSE, /* alpha */ + GL_FALSE /* aux */); + driDrawPriv->driverPrivate = (void *) fb; +#endif + + return (driDrawPriv->driverPrivate != NULL); + } +} + +static void i830DestroyBuffer(__DRIdrawablePrivate *driDrawPriv) +{ + _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate)); +} + +static const struct __DriverAPIRec i830API = { + .InitDriver = i830InitDriver, + .DestroyScreen = i830DestroyScreen, + .CreateContext = i830CreateContext, + .DestroyContext = i830DestroyContext, + .CreateBuffer = i830CreateBuffer, + .DestroyBuffer = i830DestroyBuffer, + .SwapBuffers = i830SwapBuffers, + .MakeCurrent = i830MakeCurrent, + .UnbindContext = i830UnbindContext, + .GetSwapInfo = NULL, + .GetMSC = NULL, + .WaitForMSC = NULL, + .WaitForSBC = NULL, + .SwapBuffersMSC = NULL +}; + + +static __GLcontextModes * +i830FillInModes( 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 + }; + + u_int8_t depth_bits_array[2]; + u_int8_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 = (*dri_interface->createContextModes)( 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 i830? */ + + /* 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; +} + + +/** + * 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. + */ +PUBLIC +void * __driCreateNewScreen_20050727( __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, + const __DRIinterfaceMethods * interface, + __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, 3, 0 }; + + dri_interface = interface; + + if ( ! driCheckDriDdxDrmVersions2( "i830", + 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, &i830API); + if ( psp != NULL ) { + I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv; + *driver_modes = i830FillInModes( dri_priv->cpp * 8, + (dri_priv->cpp == 2) ? 16 : 24, + (dri_priv->cpp == 2) ? 0 : 8, + (dri_priv->backOffset != dri_priv->depthOffset) ); + + /* Calling driInitExtensions here, with a NULL context pointer, does not actually + * enable the extensions. It just makes sure that all the dispatch offsets for all + * the extensions that *might* be enables are known. This is needed because the + * dispatch offsets need to be known when _mesa_context_create is called, but we can't + * enable the extensions until we have a context pointer. + * + * Hello chicken. Hello egg. How are you two today? + */ + driInitExtensions( NULL, card_extensions, GL_FALSE ); + } + + return (void *) psp; +} |