+++ /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 "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) */
-
-
-#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 */
projects / mesa.git / blobdiff