+++ /dev/null
-/**************************************************************************
- *
- * 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 "framebuffer.h"
-#include "matrix.h"
-#include "renderbuffer.h"
-#include "simple_list.h"
-#include "utils.h"
-#include "xmlpool.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"
-
-PUBLIC const char __driConfigOptions[] =
-DRI_CONF_BEGIN
- DRI_CONF_SECTION_PERFORMANCE
- DRI_CONF_FORCE_S3TC_ENABLE(false)
- DRI_CONF_SECTION_END
-DRI_CONF_END;
-const GLuint __driNConfigOptions = 1;
-
-extern const struct dri_extension card_extensions[];
-
-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;
- PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
- (PFNGLXSCRENABLEEXTENSIONPROC) (*dri_interface->getProcAddress("glxEnableExtension"));
- void * const psc = sPriv->psc->screenConfigs;
-
-
- /* Allocate the private area */
- intelScreen = (intelScreenPrivate *)CALLOC(sizeof(intelScreenPrivate));
- if (!intelScreen) {
- fprintf(stderr,"\nERROR! Allocating private area failed\n");
- return GL_FALSE;
- }
- /* parse information in __driConfigOptions */
- driParseOptionInfo (&intelScreen->optionCache,
- __driConfigOptions, __driNConfigOptions);
-
- 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 (glx_enable_extension != NULL) {
- (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
- (*glx_enable_extension)( psc, "GLX_MESA_allocate_memory" );
- }
-
- sPriv->psc->allocateMemory = (void *) intelAllocateMemoryMESA;
- sPriv->psc->freeMemory = (void *) intelFreeMemoryMESA;
- sPriv->psc->memoryOffset = (void *) intelGetMemoryOffsetMESA;
-
- 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 )
-{
- intelScreenPrivate *screen = (intelScreenPrivate *) driScrnPriv->private;
-
- if (isPixmap) {
- return GL_FALSE; /* not implemented */
- } else {
- GLboolean swStencil = (mesaVis->stencilBits > 0 &&
- mesaVis->depthBits != 24);
-
-#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, screen->frontPitch);
- intelSetSpanFunctions(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);
- intelSetSpanFunctions(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->depthPitch);
- intelSetSpanFunctions(depthRb, mesaVis);
- _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
- }
- else if (mesaVis->depthBits == 24) {
- driRenderbuffer *depthRb
- = driNewRenderbuffer(GL_DEPTH_COMPONENT24, screen->cpp,
- screen->depthOffset, screen->depthPitch);
- intelSetSpanFunctions(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->depthPitch);
- intelSetSpanFunctions(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 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:
- case PCI_CHIP_I915_GM:
- case PCI_CHIP_I945_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
-};
-
-
-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 Intel 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[3];
- u_int8_t stencil_bits_array[3];
-
-
- depth_bits_array[0] = 0;
- depth_bits_array[1] = depth_bits;
- depth_bits_array[2] = 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] = 0;
- stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
-
- depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 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;
- }
- if ( ! driFillInModes( & m, fb_format, fb_type,
- depth_bits_array, stencil_bits_array, depth_buffer_factor,
- back_buffer_modes, back_buffer_factor,
- GLX_DIRECT_COLOR ) ) {
- fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
- __func__, __LINE__ );
- return NULL;
- }
-
- /* 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, 4, 0 };
- static const __DRIversion dri_expected = { 4, 0, 0 };
- static const __DRIversion drm_expected = { 1, 1, 0 };
-
- dri_interface = interface;
-
- 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 ) {
- 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) );
-
- /* 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;
-}
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