/**************************************************************************
*
* 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 "utils.h"
#include "vblank.h"
#include "xmlpool.h"
#include "intel_context.h"
#include "intel_screen.h"
#include "intel_batchbuffer.h"
#include "intel_batchpool.h"
#include "intel_swapbuffers.h"
#include "intel_winsys.h"
#include "i830_dri.h"
#include "dri_bufpool.h"
#include "pipe/p_context.h"
#include "state_tracker/st_public.h"
#include "state_tracker/st_cb_fbo.h"
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
DRI_CONF_FORCE_S3TC_ENABLE(false)
DRI_CONF_ALLOW_LARGE_TEXTURES(1)
DRI_CONF_SECTION_END DRI_CONF_END;
const uint __driNConfigOptions = 4;
#ifdef USE_NEW_INTERFACE
static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
#endif /*USE_NEW_INTERFACE */
extern const struct dri_extension card_extensions[];
static void
intelPrintDRIInfo(struct intel_screen * intelScreen,
__DRIscreenPrivate * sPriv, I830DRIPtr gDRIPriv)
{
fprintf(stderr, "*** Front size: 0x%x offset: 0x%x pitch: %d\n",
intelScreen->front.size, intelScreen->front.offset,
intelScreen->front.pitch);
fprintf(stderr, "*** Memory : 0x%x\n", gDRIPriv->mem);
}
#if 0
static void
intelPrintSAREA(const drmI830Sarea * sarea)
{
fprintf(stderr, "SAREA: sarea width %d height %d\n", sarea->width,
sarea->height);
fprintf(stderr, "SAREA: pitch: %d\n", sarea->pitch);
fprintf(stderr,
"SAREA: front offset: 0x%08x size: 0x%x handle: 0x%x\n",
sarea->front_offset, sarea->front_size,
(unsigned) sarea->front_handle);
fprintf(stderr,
"SAREA: back offset: 0x%08x size: 0x%x handle: 0x%x\n",
sarea->back_offset, sarea->back_size,
(unsigned) sarea->back_handle);
fprintf(stderr, "SAREA: depth offset: 0x%08x size: 0x%x handle: 0x%x\n",
sarea->depth_offset, sarea->depth_size,
(unsigned) sarea->depth_handle);
fprintf(stderr, "SAREA: tex offset: 0x%08x size: 0x%x handle: 0x%x\n",
sarea->tex_offset, sarea->tex_size, (unsigned) sarea->tex_handle);
fprintf(stderr, "SAREA: rotation: %d\n", sarea->rotation);
fprintf(stderr,
"SAREA: rotated offset: 0x%08x size: 0x%x\n",
sarea->rotated_offset, sarea->rotated_size);
fprintf(stderr, "SAREA: rotated pitch: %d\n", sarea->rotated_pitch);
}
#endif
/**
* Use the information in the sarea to update the screen parameters
* related to screen rotation. Needs to be called locked.
*/
void
intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea)
{
struct intel_screen *intelScreen = intel_screen(sPriv);
if (intelScreen->front.map) {
drmUnmap(intelScreen->front.map, intelScreen->front.size);
intelScreen->front.map = NULL;
}
if (intelScreen->front.buffer)
driDeleteBuffers(1, &intelScreen->front.buffer);
intelScreen->front.width = sarea->width;
intelScreen->front.height = sarea->height;
intelScreen->front.offset = sarea->front_offset;
intelScreen->front.pitch = sarea->pitch * intelScreen->front.cpp;
intelScreen->front.size = sarea->front_size;
intelScreen->front.handle = sarea->front_handle;
assert( sarea->front_size >=
intelScreen->front.pitch * intelScreen->front.height );
if (!sarea->front_handle)
return;
if (drmMap(sPriv->fd,
sarea->front_handle,
intelScreen->front.size,
(drmAddress *) & intelScreen->front.map) != 0) {
fprintf(stderr, "drmMap(frontbuffer) failed!\n");
return;
}
if (intelScreen->staticPool) {
driGenBuffers(intelScreen->staticPool, "static region", 1,
&intelScreen->front.buffer, 64,
DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_NO_MOVE |
DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0);
driBOSetStatic(intelScreen->front.buffer,
intelScreen->front.offset,
intelScreen->front.pitch * intelScreen->front.height,
intelScreen->front.map, 0);
}
}
boolean
intelCreatePools(__DRIscreenPrivate * sPriv)
{
unsigned batchPoolSize = 1024*1024;
struct intel_screen *intelScreen = intel_screen(sPriv);
if (intelScreen->havePools)
return GL_TRUE;
intelScreen->staticPool = driDRMStaticPoolInit(sPriv->fd);
if (!intelScreen->staticPool)
return GL_FALSE;
batchPoolSize /= BATCH_SZ;
intelScreen->batchPool = driBatchPoolInit(sPriv->fd,
DRM_BO_FLAG_EXE |
DRM_BO_FLAG_MEM_TT |
DRM_BO_FLAG_MEM_LOCAL,
BATCH_SZ,
batchPoolSize, 5);
if (!intelScreen->batchPool) {
fprintf(stderr, "Failed to initialize batch pool - possible incorrect agpgart installed\n");
return GL_FALSE;
}
intelScreen->havePools = GL_TRUE;
intelUpdateScreenRotation(sPriv, intelScreen->sarea);
return GL_TRUE;
}
static boolean
intelInitDriver(__DRIscreenPrivate * sPriv)
{
struct intel_screen *intelScreen;
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 */
intelScreen = CALLOC_STRUCT(intel_screen);
if (!intelScreen)
return GL_FALSE;
/* parse information in __driConfigOptions */
driParseOptionInfo(&intelScreen->optionCache,
__driConfigOptions, __driNConfigOptions);
sPriv->private = (void *) intelScreen;
intelScreen->sarea = (drmI830Sarea *) (((GLubyte *) sPriv->pSAREA) +
gDRIPriv->sarea_priv_offset);
intelScreen->deviceID = gDRIPriv->deviceID;
intelScreen->front.cpp = gDRIPriv->cpp;
intelScreen->drmMinor = sPriv->drmMinor;
assert(gDRIPriv->bitsPerPixel == 16 ||
gDRIPriv->bitsPerPixel == 32);
intelUpdateScreenRotation(sPriv, intelScreen->sarea);
if (0)
intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv);
if (glx_enable_extension != NULL) {
(*glx_enable_extension) (psc, "GLX_SGI_swap_control");
(*glx_enable_extension) (psc, "GLX_SGI_video_sync");
(*glx_enable_extension) (psc, "GLX_MESA_swap_control");
(*glx_enable_extension) (psc, "GLX_MESA_swap_frame_usage");
(*glx_enable_extension) (psc, "GLX_SGI_make_current_read");
}
intelScreen->winsys = intel_create_pipe_winsys(sPriv->fd);
return GL_TRUE;
}
static void
intelDestroyScreen(__DRIscreenPrivate * sPriv)
{
struct intel_screen *intelScreen = intel_screen(sPriv);
/* intelUnmapScreenRegions(intelScreen); */
if (intelScreen->havePools) {
driPoolTakeDown(intelScreen->staticPool);
driPoolTakeDown(intelScreen->batchPool);
}
FREE(intelScreen);
sPriv->private = NULL;
}
/**
* This is called when we need to set up GL rendering to a new X window.
*/
static boolean
intelCreateBuffer(__DRIscreenPrivate * driScrnPriv,
__DRIdrawablePrivate * driDrawPriv,
const __GLcontextModes * visual, boolean isPixmap)
{
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
else {
enum pipe_format colorFormat, depthFormat, stencilFormat;
struct intel_framebuffer *intelfb = CALLOC_STRUCT(intel_framebuffer);
if (!intelfb)
return GL_FALSE;
if (visual->redBits == 5)
colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
else
colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
if (visual->depthBits == 16)
depthFormat = PIPE_FORMAT_Z16_UNORM;
else if (visual->depthBits == 24)
depthFormat = PIPE_FORMAT_S8Z24_UNORM;
else
depthFormat = PIPE_FORMAT_NONE;
if (visual->stencilBits == 8)
stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
else
stencilFormat = PIPE_FORMAT_NONE;
intelfb->stfb = st_create_framebuffer(visual,
colorFormat,
depthFormat,
stencilFormat,
driDrawPriv->w,
driDrawPriv->h,
(void*) intelfb);
if (!intelfb->stfb) {
free(intelfb);
return GL_FALSE;
}
driDrawPriv->driverPrivate = (void *) intelfb;
return GL_TRUE;
}
}
static void
intelDestroyBuffer(__DRIdrawablePrivate * driDrawPriv)
{
struct intel_framebuffer *intelfb = intel_framebuffer(driDrawPriv);
assert(intelfb->stfb);
st_unreference_framebuffer(&intelfb->stfb);
free(intelfb);
}
/**
* Get information about previous buffer swaps.
*/
static int
intelGetSwapInfo(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo)
{
if ((dPriv == NULL) || (dPriv->driverPrivate == NULL)
|| (sInfo == NULL)) {
return -1;
}
return 0;
}
static void
intelSetTexOffset(__DRIcontext *pDRICtx, int texname,
unsigned long long offset, int depth, uint pitch)
{
abort();
#if 0
struct intel_context *intel = (struct intel_context*)
((__DRIcontextPrivate*)pDRICtx->private)->driverPrivate;
struct gl_texture_object *tObj = _mesa_lookup_texture(&intel->ctx, texname);
struct st_texture_object *stObj = st_texture_object(tObj);
if (!stObj)
return;
if (stObj->pt)
st->pipe->texture_release(intel->st->pipe, &stObj->pt);
stObj->imageOverride = GL_TRUE;
stObj->depthOverride = depth;
stObj->pitchOverride = pitch;
if (offset)
stObj->textureOffset = offset;
#endif
}
static const struct __DriverAPIRec intelAPI = {
.InitDriver = intelInitDriver,
.DestroyScreen = intelDestroyScreen,
.CreateContext = intelCreateContext,
.DestroyContext = intelDestroyContext,
.CreateBuffer = intelCreateBuffer,
.DestroyBuffer = intelDestroyBuffer,
.SwapBuffers = intelSwapBuffers,
.MakeCurrent = intelMakeCurrent,
.UnbindContext = intelUnbindContext,
.GetSwapInfo = intelGetSwapInfo,
.GetMSC = driGetMSC32,
.WaitForMSC = driWaitForMSC32,
.WaitForSBC = NULL,
.SwapBuffersMSC = NULL,
.CopySubBuffer = intelCopySubBuffer,
.setTexOffset = intelSetTexOffset,
};
static __GLcontextModes *
intelFillInModes(unsigned pixel_bits, unsigned depth_bits,
unsigned stencil_bits, boolean 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;
if (depth_bits == 24)
stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
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, 7, 0 };
static const __DRIversion dri_expected = { 4, 0, 0 };
static const __DRIversion drm_expected = { 1, 7, 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, 1);
/* 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;
}