*/
-#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
+/*****************************************************************/
+/** \name Screen handling functions */
+/*****************************************************************/
+/*@{*/
-static void dri_get_drawable(__DRIdrawable *pdp);
-static void dri_put_drawable(__DRIdrawable *pdp);
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+ const __DRIextension **extensions)
+{
+ int i;
-GLint
-driIntersectArea( drm_clip_rect_t rect1, drm_clip_rect_t rect2 )
+ 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)
{
- 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;
+ static const __DRIextension *emptyExtensionList[] = { NULL };
+ __DRIscreen *psp;
+ drmVersionPtr version;
- if (rect1.x1 > rect1.x2 || rect1.y1 > rect1.y2) return 0;
+ psp = calloc(1, sizeof(*psp));
+ if (!psp)
+ return NULL;
- return (rect1.x2 - rect1.x1) * (rect1.y2 - rect1.y1);
-}
+ setupLoaderExtensions(psp, extensions);
-/*****************************************************************/
-/** \name Context (un)binding functions */
-/*****************************************************************/
-/*@{*/
+ 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->loaderPrivate = data;
+
+ 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;
+ }
+
+ driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions, __dri2NConfigOptions);
+ driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, "dri2");
+
+ return psp;
+}
/**
- * Unbind context.
- *
- * \param scrn the screen.
- * \param gc context.
- *
- * \return \c GL_TRUE on success, or \c GL_FALSE on failure.
+ * Destroy the per-screen private information.
*
* \internal
- * This function calls __DriverAPIRec::UnbindContext, and then decrements
- * __DRIdrawableRec::refcount which must be non-zero for a successful
- * return.
- *
- * While casting the opaque private pointers associated with the parameters
- * into their respective real types it also assures they are not \c NULL.
+ * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
+ * drmClose(), and finally frees \p screenPrivate.
*/
-static int driUnbindContext(__DRIcontext *pcp)
+static void driDestroyScreen(__DRIscreen *psp)
{
- __DRIscreen *psp;
- __DRIdrawable *pdp;
- __DRIdrawable *prp;
+ 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.
+ */
- /*
- ** Assume error checking is done properly in glXMakeCurrent before
- ** calling driUnbindContext.
- */
+ _mesa_destroy_shader_compiler();
- if (pcp == NULL)
- return GL_FALSE;
+ driDriverAPI.DestroyScreen(psp);
- psp = pcp->driScreenPriv;
- pdp = pcp->driDrawablePriv;
- prp = pcp->driReadablePriv;
+ driDestroyOptionCache(&psp->optionCache);
+ driDestroyOptionInfo(&psp->optionInfo);
- /* already unbound */
- if (!pdp && !prp)
- return GL_TRUE;
- /* Let driver unbind drawable from context */
- (*psp->DriverAPI.UnbindContext)(pcp);
+ free(psp);
+ }
+}
- assert(pdp);
- if (pdp->refcount == 0) {
- /* ERROR!!! */
- return GL_FALSE;
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+ return psp->extensions;
+}
+
+/*@}*/
+
+
+/*****************************************************************/
+/** \name Context handling functions */
+/*****************************************************************/
+/*@{*/
+
+static __DRIcontext *
+dri2CreateContextAttribs(__DRIscreen *screen, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared,
+ unsigned num_attribs,
+ const uint32_t *attribs,
+ unsigned *error,
+ void *data)
+{
+ __DRIcontext *context;
+ const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
+ void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
+ gl_api mesa_api;
+ unsigned major_version = 1;
+ unsigned minor_version = 0;
+ uint32_t flags = 0;
+
+ assert((num_attribs == 0) || (attribs != NULL));
+
+ if (!(screen->api_mask & (1 << api))) {
+ *error = __DRI_CTX_ERROR_BAD_API;
+ return NULL;
}
- dri_put_drawable(pdp);
+ switch (api) {
+ case __DRI_API_OPENGL:
+ mesa_api = API_OPENGL;
+ break;
+ case __DRI_API_GLES:
+ mesa_api = API_OPENGLES;
+ break;
+ case __DRI_API_GLES2:
+ mesa_api = API_OPENGLES2;
+ break;
+ case __DRI_API_OPENGL_CORE:
+ default:
+ *error = __DRI_CTX_ERROR_BAD_API;
+ return NULL;
+ }
- if (prp != pdp) {
- if (prp->refcount == 0) {
- /* ERROR!!! */
- return GL_FALSE;
+ if (mesa_api != API_OPENGL && num_attribs != 0) {
+ *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+ assert(!"Should not get here.");
+ return NULL;
+ }
+
+ for (unsigned i = 0; i < num_attribs; i++) {
+ switch (attribs[i * 2]) {
+ case __DRI_CTX_ATTRIB_MAJOR_VERSION:
+ major_version = attribs[i * 2 + 1];
+ break;
+ case __DRI_CTX_ATTRIB_MINOR_VERSION:
+ minor_version = attribs[i * 2 + 1];
+ break;
+ case __DRI_CTX_ATTRIB_FLAGS:
+ flags = attribs[i * 2 + 1];
+ break;
+ default:
+ /* We can't create a context that satisfies the requirements of an
+ * attribute that we don't understand. Return failure.
+ */
+ return NULL;
}
+ }
+
+ /* There are no forward-compatible contexts before OpenGL 3.0. The
+ * GLX_ARB_create_context spec says:
+ *
+ * "Forward-compatible contexts are defined only for OpenGL versions
+ * 3.0 and later."
+ *
+ * Moreover, Mesa can't fulfill the requirements of a forward-looking
+ * context. Return failure if a forward-looking context is requested.
+ *
+ * In Mesa, a debug context is the same as a regular context.
+ */
+ if (major_version >= 3) {
+ if ((flags & ~__DRI_CTX_FLAG_DEBUG) != 0)
+ return NULL;
+ }
- dri_put_drawable(prp);
+ context = malloc(sizeof *context);
+ if (!context) {
+ *error = __DRI_CTX_ERROR_NO_MEMORY;
+ return NULL;
}
+ context->loaderPrivate = data;
- /* XXX this is disabled so that if we call SwapBuffers on an unbound
- * window we can determine the last context bound to the window and
- * use that context's lock. (BrianP, 2-Dec-2000)
- */
- pcp->driDrawablePriv = pcp->driReadablePriv = NULL;
+ context->driScreenPriv = screen;
+ context->driDrawablePriv = NULL;
+ context->driReadablePriv = NULL;
- return GL_TRUE;
+ if (!driDriverAPI.CreateContext(mesa_api, modes, context, shareCtx) ) {
+ free(context);
+ return NULL;
+ }
+
+ *error = __DRI_CTX_ERROR_SUCCESS;
+ return context;
+}
+
+static __DRIcontext *
+dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ unsigned error;
+
+ return dri2CreateContextAttribs(screen, api, config, shared, 0, NULL,
+ data, &error);
+}
+
+static __DRIcontext *
+dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
+ config, shared, data);
+}
+
+/**
+ * Destroy the per-context private information.
+ *
+ * \internal
+ * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
+ * drmDestroyContext(), and finally frees \p contextPrivate.
+ */
+static void
+driDestroyContext(__DRIcontext *pcp)
+{
+ if (pcp) {
+ driDriverAPI.DestroyContext(pcp);
+ free(pcp);
+ }
+}
+
+static int
+driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
+{
+ (void) dest;
+ (void) src;
+ (void) mask;
+ return GL_FALSE;
}
+/*@}*/
+
+
+/*****************************************************************/
+/** \name Context (un)binding functions */
+/*****************************************************************/
+/*@{*/
+
+static void dri_get_drawable(__DRIdrawable *pdp);
+static void dri_put_drawable(__DRIdrawable *pdp);
+
/**
* This function takes both a read buffer and a draw buffer. This is needed
* for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
__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);
+ return driDriverAPI.MakeCurrent(pcp, pdp, prp);
}
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Drawable handling functions */
-/*****************************************************************/
-/*@{*/
-
/**
- * Update private drawable information.
+ * Unbind context.
+ *
+ * \param scrn the screen.
+ * \param gc context.
*
- * \param pdp pointer to the private drawable information to update.
+ * \return \c GL_TRUE on success, or \c GL_FALSE on failure.
+ *
+ * \internal
+ * This function calls __DriverAPIRec::UnbindContext, and then decrements
+ * __DRIdrawableRec::refcount which must be non-zero for a successful
+ * return.
*
- * 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.
+ * While casting the opaque private pointers associated with the parameters
+ * into their respective real types it also assures they are not \c NULL.
*/
-void
-__driUtilUpdateDrawableInfo(__DRIdrawable *pdp)
+static int driUnbindContext(__DRIcontext *pcp)
{
- __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;
- }
+ __DRIdrawable *pdp;
+ __DRIdrawable *prp;
- 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);
+ /*
+ ** Assume error checking is done properly in glXMakeCurrent before
+ ** calling driUnbindContext.
+ */
- DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
-}
+ if (pcp == NULL)
+ return GL_FALSE;
-/*@}*/
+ pdp = pcp->driDrawablePriv;
+ prp = pcp->driReadablePriv;
-/*****************************************************************/
-/** \name GLX callbacks */
-/*****************************************************************/
-/*@{*/
+ /* already unbound */
+ if (!pdp && !prp)
+ return GL_TRUE;
-static void driReportDamage(__DRIdrawable *pdp,
- struct drm_clip_rect *pClipRects, int numClipRects)
-{
- __DRIscreen *psp = pdp->driScreenPriv;
+ driDriverAPI.UnbindContext(pcp);
- /* Check that we actually have the new damage report method */
- if (psp->damage) {
- /* Report the damage. Currently, all our drivers draw
- * directly to the front buffer, so we report the damage there
- * rather than to the backing storein (if any).
- */
- (*psp->damage->reportDamage)(pdp,
- pdp->x, pdp->y,
- pClipRects, numClipRects,
- GL_TRUE, pdp->loaderPrivate);
+ assert(pdp);
+ if (pdp->refcount == 0) {
+ /* ERROR!!! */
+ return GL_FALSE;
}
-}
+ dri_put_drawable(pdp);
-/**
- * Swap buffers.
- *
- * \param drawablePrivate opaque pointer to the per-drawable private info.
- *
- * \internal
- * This function calls __DRIdrawable::swapBuffers.
- *
- * Is called directly from glXSwapBuffers().
- */
-static void driSwapBuffers(__DRIdrawable *dPriv)
-{
- __DRIscreen *psp = dPriv->driScreenPriv;
- drm_clip_rect_t *rects;
- int i;
+ if (prp != pdp) {
+ if (prp->refcount == 0) {
+ /* ERROR!!! */
+ return GL_FALSE;
+ }
- psp->DriverAPI.SwapBuffers(dPriv);
+ dri_put_drawable(prp);
+ }
- if (!dPriv->numClipRects)
- return;
+ /* XXX this is disabled so that if we call SwapBuffers on an unbound
+ * window we can determine the last context bound to the window and
+ * use that context's lock. (BrianP, 2-Dec-2000)
+ */
+ pcp->driDrawablePriv = NULL;
+ pcp->driReadablePriv = NULL;
- rects = malloc(sizeof(*rects) * dPriv->numClipRects);
+ return GL_TRUE;
+}
- if (!rects)
- return;
+/*@}*/
- for (i = 0; i < dPriv->numClipRects; i++) {
- rects[i].x1 = dPriv->pClipRects[i].x1 - dPriv->x;
- rects[i].y1 = dPriv->pClipRects[i].y1 - dPriv->y;
- rects[i].x2 = dPriv->pClipRects[i].x2 - dPriv->x;
- rects[i].y2 = dPriv->pClipRects[i].y2 - dPriv->y;
- }
- driReportDamage(dPriv, rects, dPriv->numClipRects);
- free(rects);
+static void dri_get_drawable(__DRIdrawable *pdp)
+{
+ pdp->refcount++;
}
-/**
- * This is called via __DRIscreenRec's createNewDrawable pointer.
- */
-static __DRIdrawable *
-driCreateNewDrawable(__DRIscreen *psp, const __DRIconfig *config,
- drm_drawable_t hwDrawable, int renderType,
- const int *attrs, void *data)
+static void dri_put_drawable(__DRIdrawable *pdp)
{
- __DRIdrawable *pdp;
-
- /* Since pbuffers are not yet supported, no drawable attributes are
- * supported either.
- */
- (void) attrs;
- (void) renderType;
-
- pdp = malloc(sizeof *pdp);
- if (!pdp) {
- return NULL;
- }
-
- pdp->driContextPriv = NULL;
- pdp->loaderPrivate = data;
- pdp->hHWDrawable = hwDrawable;
- pdp->refcount = 1;
- pdp->pStamp = NULL;
- pdp->lastStamp = 0;
- pdp->index = 0;
- pdp->x = 0;
- pdp->y = 0;
- pdp->w = 0;
- pdp->h = 0;
- pdp->numClipRects = 0;
- pdp->numBackClipRects = 0;
- pdp->pClipRects = NULL;
- pdp->pBackClipRects = NULL;
- pdp->vblSeq = 0;
- pdp->vblFlags = 0;
-
- pdp->driScreenPriv = psp;
-
- if (!(*psp->DriverAPI.CreateBuffer)(psp, pdp, &config->modes, 0)) {
- free(pdp);
- return NULL;
- }
-
- pdp->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.
- */
- pdp->swap_interval = (unsigned)-1;
+ if (pdp) {
+ pdp->refcount--;
+ if (pdp->refcount)
+ return;
- return pdp;
+ driDriverAPI.DestroyBuffer(pdp);
+ free(pdp);
+ }
}
-
static __DRIdrawable *
dri2CreateNewDrawable(__DRIscreen *screen,
const __DRIconfig *config,
- void *loaderPrivate)
+ void *data)
{
__DRIdrawable *pdraw;
- pdraw = driCreateNewDrawable(screen, config, 0, 0, NULL, loaderPrivate);
+ pdraw = malloc(sizeof *pdraw);
if (!pdraw)
- return NULL;
+ return NULL;
- pdraw->pClipRects = &pdraw->dri2.clipRect;
- pdraw->pBackClipRects = &pdraw->dri2.clipRect;
+ pdraw->loaderPrivate = data;
+
+ pdraw->driScreenPriv = screen;
+ pdraw->driContextPriv = NULL;
+ pdraw->refcount = 0;
+ pdraw->lastStamp = 0;
+ pdraw->w = 0;
+ pdraw->h = 0;
+
+ dri_get_drawable(pdraw);
+
+ if (!driDriverAPI.CreateBuffer(screen, pdraw, &config->modes, GL_FALSE)) {
+ free(pdraw);
+ return NULL;
+ }
- pdraw->pStamp = &pdraw->dri2.stamp;
- *pdraw->pStamp = pdraw->lastStamp + 1;
+ pdraw->dri2.stamp = pdraw->lastStamp + 1;
return pdraw;
}
+static void
+driDestroyDrawable(__DRIdrawable *pdp)
+{
+ dri_put_drawable(pdp);
+}
+
static __DRIbuffer *
dri2AllocateBuffer(__DRIscreen *screen,
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 0;
}
-
-static void dri_get_drawable(__DRIdrawable *pdp)
-{
- pdp->refcount++;
-}
-
-static void dri_put_drawable(__DRIdrawable *pdp)
-{
- __DRIscreen *psp;
-
- if (pdp) {
- pdp->refcount--;
- if (pdp->refcount)
- 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;
- }
- free(pdp);
- }
-}
-
-static void
-driDestroyDrawable(__DRIdrawable *pdp)
-{
- dri_put_drawable(pdp);
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \name Context handling functions */
-/*****************************************************************/
-/*@{*/
-
-/**
- * Destroy the per-context private information.
- *
- * \internal
- * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
- * drmDestroyContext(), and finally frees \p contextPrivate.
- */
-static void
-driDestroyContext(__DRIcontext *pcp)
-{
- if (pcp) {
- (*pcp->driScreenPriv->DriverAPI.DestroyContext)(pcp);
- free(pcp);
- }
-}
-
-
-/**
- * Create the per-drawable private driver information.
- *
- * \param render_type Type of rendering target. \c GLX_RGBA_TYPE is the only
- * type likely to ever be supported for direct-rendering.
- * However, \c GLX_RGBA_FLOAT_TYPE_ARB may eventually be
- * supported by some drivers.
- * \param shared Context with which to share textures, etc. or NULL
- *
- * \returns An opaque pointer to the per-context private information on
- * success, or \c NULL on failure.
- *
- * \internal
- * This function allocates and fills a __DRIcontextRec structure. It
- * performs some device independent initialization and passes all the
- * relevent information to __DriverAPIRec::CreateContext to create the
- * context.
- *
- */
-static __DRIcontext *
-driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
- int render_type, __DRIcontext *shared,
- drm_context_t hwContext, void *data)
-{
- __DRIcontext *pcp;
- void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
-
- (void) render_type;
-
- pcp = malloc(sizeof *pcp);
- if (!pcp)
- return NULL;
-
- pcp->driScreenPriv = psp;
- pcp->driDrawablePriv = NULL;
- pcp->loaderPrivate = data;
-
- pcp->dri2.draw_stamp = 0;
- pcp->dri2.read_stamp = 0;
-
- pcp->hHWContext = hwContext;
-
- if ( !(*psp->DriverAPI.CreateContext)(API_OPENGL,
- &config->modes, pcp, shareCtx) ) {
- free(pcp);
- return NULL;
- }
-
- return pcp;
-}
-
static unsigned int
dri2GetAPIMask(__DRIscreen *screen)
{
return screen->api_mask;
}
-static __DRIcontext *
-dri2CreateNewContextForAPI(__DRIscreen *screen, int api,
- const __DRIconfig *config,
- __DRIcontext *shared, void *data)
-{
- __DRIcontext *context;
- const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
- void *shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
- gl_api mesa_api;
-
- if (!(screen->api_mask & (1 << api)))
- return NULL;
-
- switch (api) {
- case __DRI_API_OPENGL:
- mesa_api = API_OPENGL;
- break;
- case __DRI_API_GLES:
- mesa_api = API_OPENGLES;
- break;
- case __DRI_API_GLES2:
- mesa_api = API_OPENGLES2;
- break;
- default:
- return NULL;
- }
-
- context = malloc(sizeof *context);
- if (!context)
- return NULL;
-
- context->driScreenPriv = screen;
- context->driDrawablePriv = NULL;
- context->loaderPrivate = data;
-
- if (!(*screen->DriverAPI.CreateContext)(mesa_api, modes,
- context, shareCtx) ) {
- free(context);
- return NULL;
- }
-
- return context;
-}
-
-
-static __DRIcontext *
-dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
- __DRIcontext *shared, void *data)
-{
- return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
- config, shared, data);
-}
-
-static int
-driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
-{
- (void) dest;
- (void) src;
- (void) mask;
- return GL_FALSE;
-}
-
-/*@}*/
-
-
-/*****************************************************************/
-/** \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 = {
driIndexConfigAttrib,
NULL,
driDestroyDrawable,
- driSwapBuffers,
+ NULL,
NULL,
driCopyContext,
driDestroyContext,
/** DRI2 interface */
const __DRIdri2Extension driDRI2Extension = {
- { __DRI_DRI2, __DRI_DRI2_VERSION },
+ /* Force the version to 2 because the underlying drivers don't (can't!)
+ * support the extra requirements of CreateContextAttribs.
+ */
+ { __DRI_DRI2, 2 },
dri2CreateNewScreen,
dri2CreateNewDrawable,
dri2CreateNewContext,
dri2GetAPIMask,
dri2CreateNewContextForAPI,
dri2AllocateBuffer,
- dri2ReleaseBuffer
+ dri2ReleaseBuffer,
+ dri2CreateContextAttribs
};
const __DRI2configQueryExtension dri2ConfigQueryExtension = {
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