*/
-#include <assert.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <stdio.h>
-
-#ifndef MAP_FAILED
-#define MAP_FAILED ((void *)-1)
-#endif
-
-#include "main/imports.h"
-#define None 0
-
+#include <xf86drm.h>
#include "dri_util.h"
-#include "drm_sarea.h"
#include "utils.h"
#include "xmlpool.h"
#include "../glsl/glsl_parser_extras.h"
static const uint __dri2NConfigOptions = 1;
-#ifndef GLX_OML_sync_control
-typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
-#endif
-
static void dri_get_drawable(__DRIdrawable *pdp);
static void dri_put_drawable(__DRIdrawable *pdp);
-GLint
-driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 )
+/*****************************************************************/
+/** \name Screen handling functions */
+/*****************************************************************/
+/*@{*/
+
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+ const __DRIextension **extensions)
+{
+ int i;
+
+ for (i = 0; extensions[i]; i++) {
+ if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0)
+ psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i];
+ if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0)
+ psp->dri2.image = (__DRIimageLookupExtension *) extensions[i];
+ if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0)
+ psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i];
+ }
+}
+
+static __DRIscreen *
+dri2CreateNewScreen(int scrn, int fd,
+ const __DRIextension **extensions,
+ const __DRIconfig ***driver_configs, void *data)
+{
+ static const __DRIextension *emptyExtensionList[] = { NULL };
+ __DRIscreen *psp;
+ drmVersionPtr version;
+
+ psp = calloc(1, sizeof(*psp));
+ if (!psp)
+ return NULL;
+
+ setupLoaderExtensions(psp, extensions);
+
+ version = drmGetVersion(fd);
+ if (version) {
+ psp->drm_version.major = version->version_major;
+ psp->drm_version.minor = version->version_minor;
+ psp->drm_version.patch = version->version_patchlevel;
+ drmFreeVersion(version);
+ }
+
+ psp->extensions = emptyExtensionList;
+ psp->fd = fd;
+ psp->myNum = scrn;
+
+ psp->api_mask = (1 << __DRI_API_OPENGL);
+ *driver_configs = driDriverAPI.InitScreen(psp);
+ if (*driver_configs == NULL) {
+ free(psp);
+ return NULL;
+ }
+
+ psp->loaderPrivate = data;
+
+ driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions,
+ __dri2NConfigOptions);
+ driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum,
+ "dri2");
+
+ return psp;
+}
+
+/**
+ * Destroy the per-screen private information.
+ *
+ * \internal
+ * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
+ * drmClose(), and finally frees \p screenPrivate.
+ */
+static void driDestroyScreen(__DRIscreen *psp)
{
- if (rect2.x1 > rect1.x1) rect1.x1 = rect2.x1;
- if (rect2.x2 < rect1.x2) rect1.x2 = rect2.x2;
- if (rect2.y1 > rect1.y1) rect1.y1 = rect2.y1;
- if (rect2.y2 < rect1.y2) rect1.y2 = rect2.y2;
+ if (psp) {
+ /* No interaction with the X-server is possible at this point. This
+ * routine is called after XCloseDisplay, so there is no protocol
+ * stream open to the X-server anymore.
+ */
+
+ _mesa_destroy_shader_compiler();
- if (rect1.x1 > rect1.x2 || rect1.y1 > rect1.y2) return 0;
+ if (driDriverAPI.DestroyScreen)
+ driDriverAPI.DestroyScreen(psp);
+
+ driDestroyOptionCache(&psp->optionCache);
+ driDestroyOptionInfo(&psp->optionInfo);
+
+ free(psp);
+ }
+}
- return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1);
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+ return psp->extensions;
}
+/*@}*/
+
+
/*****************************************************************/
/** \name Context (un)binding functions */
/*****************************************************************/
*/
static int driUnbindContext(__DRIcontext *pcp)
{
- __DRIscreen *psp;
__DRIdrawable *pdp;
__DRIdrawable *prp;
if (pcp == NULL)
return GL_FALSE;
- psp = pcp->driScreenPriv;
pdp = pcp->driDrawablePriv;
prp = pcp->driReadablePriv;
if (!pdp && !prp)
return GL_TRUE;
/* Let driver unbind drawable from context */
- (*psp->DriverAPI.UnbindContext)(pcp);
+ driDriverAPI.UnbindContext(pcp);
assert(pdp);
if (pdp->refcount == 0) {
__DRIdrawable *pdp,
__DRIdrawable *prp)
{
- __DRIscreen *psp = NULL;
-
/*
** Assume error checking is done properly in glXMakeCurrent before
** calling driUnbindContext.
return GL_FALSE;
/* Bind the drawable to the context */
- psp = pcp->driScreenPriv;
pcp->driDrawablePriv = pdp;
pcp->driReadablePriv = prp;
if (pdp) {
dri_get_drawable(prp);
}
- /*
- ** Now that we have a context associated with this drawable, we can
- ** initialize the drawable information if has not been done before.
- */
-
- if (!psp->dri2.enabled) {
- if (pdp && !pdp->pStamp) {
- DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
- __driUtilUpdateDrawableInfo(pdp);
- DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
- }
- if (prp && pdp != prp && !prp->pStamp) {
- DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
- __driUtilUpdateDrawableInfo(prp);
- DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
- }
- }
-
/* Call device-specific MakeCurrent */
- return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Drawable handling functions */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Update private drawable information.
- *
- * \param pdp pointer to the private drawable information to update.
- *
- * This function basically updates the __DRIdrawable struct's
- * cliprect information by calling \c __DRIinterfaceMethods::getDrawableInfo.
- * This is usually called by the DRI_VALIDATE_DRAWABLE_INFO macro which
- * compares the __DRIdrwablePrivate pStamp and lastStamp values. If
- * the values are different that means we have to update the clipping
- * info.
- */
-void
-__driUtilUpdateDrawableInfo(__DRIdrawable *pdp)
-{
- __DRIscreen *psp = pdp->driScreenPriv;
- __DRIcontext *pcp = pdp->driContextPriv;
-
- if (!pcp
- || ((pdp != pcp->driDrawablePriv) && (pdp != pcp->driReadablePriv))) {
- /* ERROR!!!
- * ...but we must ignore it. There can be many contexts bound to a
- * drawable.
- */
- }
-
- if (pdp->pClipRects) {
- free(pdp->pClipRects);
- pdp->pClipRects = NULL;
- }
-
- if (pdp->pBackClipRects) {
- free(pdp->pBackClipRects);
- pdp->pBackClipRects = NULL;
- }
-
- DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
-
- if (! (*psp->getDrawableInfo->getDrawableInfo)(pdp,
- &pdp->index, &pdp->lastStamp,
- &pdp->x, &pdp->y, &pdp->w, &pdp->h,
- &pdp->numClipRects, &pdp->pClipRects,
- &pdp->backX,
- &pdp->backY,
- &pdp->numBackClipRects,
- &pdp->pBackClipRects,
- pdp->loaderPrivate)) {
- /* Error -- eg the window may have been destroyed. Keep going
- * with no cliprects.
- */
- pdp->pStamp = &pdp->lastStamp; /* prevent endless loop */
- pdp->numClipRects = 0;
- pdp->pClipRects = NULL;
- pdp->numBackClipRects = 0;
- pdp->pBackClipRects = NULL;
- }
- else
- pdp->pStamp = &(psp->pSAREA->drawableTable[pdp->index].stamp);
-
- DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+ return driDriverAPI.MakeCurrent(pcp, pdp, prp);
}
static __DRIdrawable *
pdraw->driContextPriv = NULL;
pdraw->loaderPrivate = loaderPrivate;
- pdraw->hHWDrawable = 0;
pdraw->refcount = 1;
- pdraw->pStamp = NULL;
pdraw->lastStamp = 0;
- pdraw->index = 0;
- pdraw->x = 0;
- pdraw->y = 0;
pdraw->w = 0;
pdraw->h = 0;
- pdraw->numClipRects = 0;
- pdraw->numBackClipRects = 0;
- pdraw->pClipRects = NULL;
- pdraw->pBackClipRects = NULL;
- pdraw->vblSeq = 0;
- pdraw->vblFlags = 0;
-
pdraw->driScreenPriv = screen;
- if (!(*screen->DriverAPI.CreateBuffer)(screen, pdraw, &config->modes, 0)) {
+ if (!driDriverAPI.CreateBuffer(screen, pdraw, &config->modes, 0)) {
free(pdraw);
return NULL;
}
- pdraw->msc_base = 0;
-
- /* This special default value is replaced with the configured
- * default value when the drawable is first bound to a direct
- * rendering context.
- */
- pdraw->swap_interval = (unsigned)-1;
-
- pdraw->pClipRects = &pdraw->dri2.clipRect;
- pdraw->pBackClipRects = &pdraw->dri2.clipRect;
-
- pdraw->pStamp = &pdraw->dri2.stamp;
- *pdraw->pStamp = pdraw->lastStamp + 1;
+ pdraw->dri2.stamp = pdraw->lastStamp + 1;
return pdraw;
}
unsigned int attachment, unsigned int format,
int width, int height)
{
- return (*screen->DriverAPI.AllocateBuffer)(screen, attachment, format,
- width, height);
+ return driDriverAPI.AllocateBuffer(screen, attachment, format,
+ width, height);
}
static void
dri2ReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
{
- (*screen->DriverAPI.ReleaseBuffer)(screen, buffer);
+ driDriverAPI.ReleaseBuffer(screen, buffer);
}
return;
psp = pdp->driScreenPriv;
- (*psp->DriverAPI.DestroyBuffer)(pdp);
- if (pdp->pClipRects && pdp->pClipRects != &pdp->dri2.clipRect) {
- free(pdp->pClipRects);
- pdp->pClipRects = NULL;
- }
- if (pdp->pBackClipRects && pdp->pClipRects != &pdp->dri2.clipRect) {
- free(pdp->pBackClipRects);
- pdp->pBackClipRects = NULL;
- }
+ driDriverAPI.DestroyBuffer(pdp);
free(pdp);
}
}
driDestroyContext(__DRIcontext *pcp)
{
if (pcp) {
- (*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp);
+ driDriverAPI.DestroyContext(pcp);
free(pcp);
}
}
context->driDrawablePriv = NULL;
context->loaderPrivate = data;
- if (!(*screen->DriverAPI.CreateContext)(mesa_api, modes,
- context, shareCtx) ) {
+ if (!driDriverAPI.CreateContext(mesa_api, modes,
+ context, shareCtx) ) {
free(context);
return NULL;
}
/*@}*/
-/*****************************************************************/
-/** \name Screen handling functions */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Destroy the per-screen private information.
- *
- * \internal
- * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
- * drmClose(), and finally frees \p screenPrivate.
- */
-static void driDestroyScreen(__DRIscreen *psp)
-{
- if (psp) {
- /* No interaction with the X-server is possible at this point. This
- * routine is called after XCloseDisplay, so there is no protocol
- * stream open to the X-server anymore.
- */
-
- _mesa_destroy_shader_compiler();
-
- if (psp->DriverAPI.DestroyScreen)
- (*psp->DriverAPI.DestroyScreen)(psp);
-
- if (!psp->dri2.enabled) {
- (void)drmUnmap((drmAddress)psp->pSAREA, SAREA_MAX);
- (void)drmUnmap((drmAddress)psp->pFB, psp->fbSize);
- (void)drmCloseOnce(psp->fd);
- } else {
- driDestroyOptionCache(&psp->optionCache);
- driDestroyOptionInfo(&psp->optionInfo);
- }
-
- free(psp);
- }
-}
-
-static void
-setupLoaderExtensions(__DRIscreen *psp,
- const __DRIextension **extensions)
-{
- int i;
-
- for (i = 0; extensions[i]; i++) {
- if (strcmp(extensions[i]->name, __DRI_GET_DRAWABLE_INFO) == 0)
- psp->getDrawableInfo = (__DRIgetDrawableInfoExtension *) extensions[i];
- if (strcmp(extensions[i]->name, __DRI_DAMAGE) == 0)
- psp->damage = (__DRIdamageExtension *) extensions[i];
- if (strcmp(extensions[i]->name, __DRI_SYSTEM_TIME) == 0)
- psp->systemTime = (__DRIsystemTimeExtension *) extensions[i];
- if (strcmp(extensions[i]->name, __DRI_DRI2_LOADER) == 0)
- psp->dri2.loader = (__DRIdri2LoaderExtension *) extensions[i];
- if (strcmp(extensions[i]->name, __DRI_IMAGE_LOOKUP) == 0)
- psp->dri2.image = (__DRIimageLookupExtension *) extensions[i];
- if (strcmp(extensions[i]->name, __DRI_USE_INVALIDATE) == 0)
- psp->dri2.useInvalidate = (__DRIuseInvalidateExtension *) extensions[i];
- }
-}
-
-/**
- * DRI2
- */
-static __DRIscreen *
-dri2CreateNewScreen(int scrn, int fd,
- const __DRIextension **extensions,
- const __DRIconfig ***driver_configs, void *data)
-{
- static const __DRIextension *emptyExtensionList[] = { NULL };
- __DRIscreen *psp;
- drmVersionPtr version;
-
- if (driDriverAPI.InitScreen2 == NULL)
- return NULL;
-
- psp = calloc(1, sizeof(*psp));
- if (!psp)
- return NULL;
-
- setupLoaderExtensions(psp, extensions);
-
- version = drmGetVersion(fd);
- if (version) {
- psp->drm_version.major = version->version_major;
- psp->drm_version.minor = version->version_minor;
- psp->drm_version.patch = version->version_patchlevel;
- drmFreeVersion(version);
- }
-
- psp->extensions = emptyExtensionList;
- psp->fd = fd;
- psp->myNum = scrn;
- psp->dri2.enabled = GL_TRUE;
-
- psp->DriverAPI = driDriverAPI;
- psp->api_mask = (1 << __DRI_API_OPENGL);
- *driver_configs = driDriverAPI.InitScreen2(psp);
- if (*driver_configs == NULL) {
- free(psp);
- return NULL;
- }
-
- psp->DriverAPI = driDriverAPI;
- psp->loaderPrivate = data;
-
- driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions,
- __dri2NConfigOptions);
- driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum,
- "dri2");
-
- return psp;
-}
-
-static const __DRIextension **driGetExtensions(__DRIscreen *psp)
-{
- return psp->extensions;
-}
-
/** Core interface */
const __DRIcoreExtension driCoreExtension = {
{ __DRI_CORE, __DRI_CORE_VERSION },
dri2ConfigQueryf,
};
-/**
- * Calculate amount of swap interval used between GLX buffer swaps.
- *
- * The usage value, on the range [0,max], is the fraction of total swap
- * interval time used between GLX buffer swaps is calculated.
- *
- * \f$p = t_d / (i * t_r)\f$
- *
- * Where \f$t_d\f$ is the time since the last GLX buffer swap, \f$i\f$ is the
- * swap interval (as set by \c glXSwapIntervalSGI), and \f$t_r\f$ time
- * required for a single vertical refresh period (as returned by \c
- * glXGetMscRateOML).
- *
- * See the documentation for the GLX_MESA_swap_frame_usage extension for more
- * details.
- *
- * \param dPriv Pointer to the private drawable structure.
- * \return If less than a single swap interval time period was required
- * between GLX buffer swaps, a number greater than 0 and less than
- * 1.0 is returned. If exactly one swap interval time period is
- * required, 1.0 is returned, and if more than one is required then
- * a number greater than 1.0 will be returned.
- *
- * \sa glXSwapIntervalSGI glXGetMscRateOML
- *
- * \todo Instead of caching the \c glXGetMscRateOML function pointer, would it
- * be possible to cache the sync rate?
- */
-float
-driCalculateSwapUsage( __DRIdrawable *dPriv, int64_t last_swap_ust,
- int64_t current_ust )
-{
- int32_t n;
- int32_t d;
- int interval;
- float usage = 1.0;
- __DRIscreen *psp = dPriv->driScreenPriv;
-
- if ( (*psp->systemTime->getMSCRate)(dPriv, &n, &d, dPriv->loaderPrivate) ) {
- interval = (dPriv->swap_interval != 0) ? dPriv->swap_interval : 1;
-
-
- /* We want to calculate
- * (current_UST - last_swap_UST) / (interval * us_per_refresh). We get
- * current_UST by calling __glXGetUST. last_swap_UST is stored in
- * dPriv->swap_ust. interval has already been calculated.
- *
- * The only tricky part is us_per_refresh. us_per_refresh is
- * 1000000 / MSC_rate. We know the MSC_rate is n / d. We can flip it
- * around and say us_per_refresh = 1000000 * d / n. Since this goes in
- * the denominator of the final calculation, we calculate
- * (interval * 1000000 * d) and move n into the numerator.
- */
-
- usage = (current_ust - last_swap_ust);
- usage *= n;
- usage /= (interval * d);
- usage /= 1000000.0;
- }
-
- return usage;
-}
-
void
dri2InvalidateDrawable(__DRIdrawable *drawable)
{
drawable->dri2.stamp++;
}
-/*@}*/
+/**
+ * Check that the gl_framebuffer associated with dPriv is the right size.
+ * Resize the gl_framebuffer if needed.
+ * It's expected that the dPriv->driverPrivate member points to a
+ * gl_framebuffer object.
+ */
+void
+driUpdateFramebufferSize(struct gl_context *ctx, const __DRIdrawable *dPriv)
+{
+ struct gl_framebuffer *fb = (struct gl_framebuffer *) dPriv->driverPrivate;
+ if (fb && (dPriv->w != fb->Width || dPriv->h != fb->Height)) {
+ ctx->Driver.ResizeBuffers(ctx, fb, dPriv->w, dPriv->h);
+ /* if the driver needs the hw lock for ResizeBuffers, the drawable
+ might have changed again by now */
+ assert(fb->Width == dPriv->w);
+ assert(fb->Height == dPriv->h);
+ }
+}
projects / mesa.git / blobdiff