+/*
+ * (C) Copyright IBM Corporation 2002, 2004
+ * 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
+ * on 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
+ * THE AUTHORS AND/OR THEIR 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.
+ */
+
/**
* \file dri_util.c
* DRI utility functions.
*/
-#include <assert.h>
-#include <stdarg.h>
-#include <stdio.h>
-
-#include "main/imports.h"
-
-#include <drm.h>
-#include <xf86drm.h>
+#include <stdbool.h>
#include "dri_util.h"
#include "utils.h"
#include "xmlpool.h"
-#include "../glsl/glsl_parser_extras.h"
-
-PUBLIC const char __dri2ConfigOptions[] =
+#include "main/mtypes.h"
+#include "main/framebuffer.h"
+#include "main/version.h"
+#include "main/debug_output.h"
+#include "main/errors.h"
+#include "main/macros.h"
+
+const char __dri2ConfigOptions[] =
DRI_CONF_BEGIN
DRI_CONF_SECTION_PERFORMANCE
DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1)
DRI_CONF_SECTION_END
DRI_CONF_END;
-static const uint __dri2NConfigOptions = 1;
+/*****************************************************************/
+/** \name Screen handling functions */
+/*****************************************************************/
+/*@{*/
+
+static void
+setupLoaderExtensions(__DRIscreen *psp,
+ const __DRIextension **extensions)
+{
+ int i;
-#ifndef GLX_OML_sync_control
-typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
-#endif
+ 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];
+ if (strcmp(extensions[i]->name, __DRI_SWRAST_LOADER) == 0)
+ psp->swrast_loader = (__DRIswrastLoaderExtension *) extensions[i];
+ if (strcmp(extensions[i]->name, __DRI_IMAGE_LOADER) == 0)
+ psp->image.loader = (__DRIimageLoaderExtension *) extensions[i];
+ }
+}
+
+/**
+ * This pointer determines which driver API we'll use in the case of the
+ * loader not passing us an explicit driver extensions list (that would,
+ * itself, contain a pointer to a driver API.)
+ *
+ * A driver's driDriverGetExtensions_drivername() can update this pointer to
+ * what it's returning, and a loader that is ignorant of createNewScreen2()
+ * will get the correct driver screen created, as long as no other
+ * driDriverGetExtensions() happened in between the first one and the
+ * createNewScreen().
+ *
+ * This allows the X Server to not require the significant dri_interface.h
+ * updates for doing createNewScreen2(), which would discourage backporting of
+ * the X Server patches to support the new loader interface.
+ */
+const struct __DriverAPIRec *globalDriverAPI = &driDriverAPI;
+
+/**
+ * This is the first entrypoint in the driver called by the DRI driver loader
+ * after dlopen()ing it.
+ *
+ * It's used to create global state for the driver across contexts on the same
+ * Display.
+ */
+static __DRIscreen *
+driCreateNewScreen2(int scrn, int fd,
+ const __DRIextension **extensions,
+ const __DRIextension **driver_extensions,
+ const __DRIconfig ***driver_configs, void *data)
+{
+ static const __DRIextension *emptyExtensionList[] = { NULL };
+ __DRIscreen *psp;
+
+ psp = calloc(1, sizeof(*psp));
+ if (!psp)
+ return NULL;
+
+ /* By default, use the global driDriverAPI symbol (non-megadrivers). */
+ psp->driver = globalDriverAPI;
+
+ /* If the driver exposes its vtable through its extensions list
+ * (megadrivers), use that instead.
+ */
+ if (driver_extensions) {
+ for (int i = 0; driver_extensions[i]; i++) {
+ if (strcmp(driver_extensions[i]->name, __DRI_DRIVER_VTABLE) == 0) {
+ psp->driver =
+ ((__DRIDriverVtableExtension *)driver_extensions[i])->vtable;
+ }
+ }
+ }
+
+ setupLoaderExtensions(psp, extensions);
+
+ psp->loaderPrivate = data;
+
+ psp->extensions = emptyExtensionList;
+ psp->fd = fd;
+ psp->myNum = scrn;
+
+ *driver_configs = psp->driver->InitScreen(psp);
+ if (*driver_configs == NULL) {
+ free(psp);
+ return NULL;
+ }
+
+ struct gl_constants consts = { 0 };
+ gl_api api;
+ unsigned version;
+
+ api = API_OPENGLES2;
+ if (_mesa_override_gl_version_contextless(&consts, &api, &version))
+ psp->max_gl_es2_version = version;
+
+ api = API_OPENGL_COMPAT;
+ if (_mesa_override_gl_version_contextless(&consts, &api, &version)) {
+ if (api == API_OPENGL_CORE) {
+ psp->max_gl_core_version = version;
+ } else {
+ psp->max_gl_compat_version = version;
+ }
+ }
+
+ psp->api_mask = 0;
+ if (psp->max_gl_compat_version > 0)
+ psp->api_mask |= (1 << __DRI_API_OPENGL);
+ if (psp->max_gl_core_version > 0)
+ psp->api_mask |= (1 << __DRI_API_OPENGL_CORE);
+ if (psp->max_gl_es1_version > 0)
+ psp->api_mask |= (1 << __DRI_API_GLES);
+ if (psp->max_gl_es2_version > 0)
+ psp->api_mask |= (1 << __DRI_API_GLES2);
+ if (psp->max_gl_es2_version >= 30)
+ psp->api_mask |= (1 << __DRI_API_GLES3);
+
+ driParseOptionInfo(&psp->optionInfo, __dri2ConfigOptions);
+ driParseConfigFiles(&psp->optionCache, &psp->optionInfo, psp->myNum, "dri2");
+
+
+ return psp;
+}
+
+static __DRIscreen *
+dri2CreateNewScreen(int scrn, int fd,
+ const __DRIextension **extensions,
+ const __DRIconfig ***driver_configs, void *data)
+{
+ return driCreateNewScreen2(scrn, fd, extensions, NULL,
+ driver_configs, data);
+}
+
+/** swrast driver createNewScreen entrypoint. */
+static __DRIscreen *
+driSWRastCreateNewScreen(int scrn, const __DRIextension **extensions,
+ const __DRIconfig ***driver_configs, void *data)
+{
+ return driCreateNewScreen2(scrn, -1, extensions, NULL,
+ driver_configs, data);
+}
+
+static __DRIscreen *
+driSWRastCreateNewScreen2(int scrn, const __DRIextension **extensions,
+ const __DRIextension **driver_extensions,
+ const __DRIconfig ***driver_configs, void *data)
+{
+ return driCreateNewScreen2(scrn, -1, extensions, driver_extensions,
+ driver_configs, data);
+}
+
+/**
+ * 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.
+ */
+
+ psp->driver->DestroyScreen(psp);
+
+ driDestroyOptionCache(&psp->optionCache);
+ driDestroyOptionInfo(&psp->optionInfo);
+
+ free(psp);
+ }
+}
+
+static const __DRIextension **driGetExtensions(__DRIscreen *psp)
+{
+ return psp->extensions;
+}
+
+/*@}*/
+
+
+static bool
+validate_context_version(__DRIscreen *screen,
+ int mesa_api,
+ unsigned major_version,
+ unsigned minor_version,
+ unsigned *dri_ctx_error)
+{
+ unsigned req_version = 10 * major_version + minor_version;
+ unsigned max_version = 0;
+
+ switch (mesa_api) {
+ case API_OPENGL_COMPAT:
+ max_version = screen->max_gl_compat_version;
+ break;
+ case API_OPENGL_CORE:
+ max_version = screen->max_gl_core_version;
+ break;
+ case API_OPENGLES:
+ max_version = screen->max_gl_es1_version;
+ break;
+ case API_OPENGLES2:
+ max_version = screen->max_gl_es2_version;
+ break;
+ default:
+ max_version = 0;
+ break;
+ }
+
+ if (max_version == 0) {
+ *dri_ctx_error = __DRI_CTX_ERROR_BAD_API;
+ return false;
+ } else if (req_version > max_version) {
+ *dri_ctx_error = __DRI_CTX_ERROR_BAD_VERSION;
+ return false;
+ }
+
+ return true;
+}
+
+/*****************************************************************/
+/** \name Context handling functions */
+/*****************************************************************/
+/*@{*/
+
+static __DRIcontext *
+driCreateContextAttribs(__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;
+ bool notify_reset = false;
+
+ assert((num_attribs == 0) || (attribs != NULL));
+
+ if (!(screen->api_mask & (1 << api))) {
+ *error = __DRI_CTX_ERROR_BAD_API;
+ return NULL;
+ }
+
+ switch (api) {
+ case __DRI_API_OPENGL:
+ mesa_api = API_OPENGL_COMPAT;
+ break;
+ case __DRI_API_GLES:
+ mesa_api = API_OPENGLES;
+ break;
+ case __DRI_API_GLES2:
+ case __DRI_API_GLES3:
+ mesa_api = API_OPENGLES2;
+ break;
+ case __DRI_API_OPENGL_CORE:
+ mesa_api = API_OPENGL_CORE;
+ break;
+ default:
+ *error = __DRI_CTX_ERROR_BAD_API;
+ 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;
+ case __DRI_CTX_ATTRIB_RESET_STRATEGY:
+ notify_reset = (attribs[i * 2 + 1]
+ != __DRI_CTX_RESET_NO_NOTIFICATION);
+ break;
+ default:
+ /* We can't create a context that satisfies the requirements of an
+ * attribute that we don't understand. Return failure.
+ */
+ assert(!"Should not get here.");
+ *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+ return NULL;
+ }
+ }
+
+ /* Mesa does not support the GL_ARB_compatibilty extension or the
+ * compatibility profile. This means that we treat a API_OPENGL_COMPAT 3.1 as
+ * API_OPENGL_CORE and reject API_OPENGL_COMPAT 3.2+.
+ */
+ if (mesa_api == API_OPENGL_COMPAT && major_version == 3 && minor_version == 1)
+ mesa_api = API_OPENGL_CORE;
+
+ if (mesa_api == API_OPENGL_COMPAT
+ && ((major_version > 3)
+ || (major_version == 3 && minor_version >= 2))) {
+ *error = __DRI_CTX_ERROR_BAD_API;
+ return NULL;
+ }
+
+ /* The latest version of EGL_KHR_create_context spec says:
+ *
+ * "If the EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR flag bit is set in
+ * EGL_CONTEXT_FLAGS_KHR, then a <debug context> will be created.
+ * [...] This bit is supported for OpenGL and OpenGL ES contexts.
+ *
+ * No other EGL_CONTEXT_OPENGL_*_BIT is legal for an ES context.
+ *
+ * However, Mesa's EGL layer translates the context attribute
+ * EGL_CONTEXT_OPENGL_ROBUST_ACCESS into the context flag
+ * __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS. That attribute is legal for ES
+ * (with EGL 1.5 or EGL_EXT_create_context_robustness) and GL (only with
+ * EGL 1.5).
+ *
+ * From the EGL_EXT_create_context_robustness spec:
+ *
+ * This extension is written against the OpenGL ES 2.0 Specification
+ * but can apply to OpenGL ES 1.1 and up.
+ *
+ * From the EGL 1.5 (2014.08.27) spec, p55:
+ *
+ * If the EGL_CONTEXT_OPENGL_ROBUST_ACCESS attribute is set to
+ * EGL_TRUE, a context supporting robust buffer access will be created.
+ * OpenGL contexts must support the GL_ARB_robustness extension, or
+ * equivalent core API functional- ity. OpenGL ES contexts must support
+ * the GL_EXT_robustness extension, or equivalent core API
+ * functionality.
+ */
+ if (mesa_api != API_OPENGL_COMPAT
+ && mesa_api != API_OPENGL_CORE
+ && (flags & ~(__DRI_CTX_FLAG_DEBUG |
+ __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS))) {
+ *error = __DRI_CTX_ERROR_BAD_FLAG;
+ 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."
+ *
+ * Forward-looking contexts are supported by silently converting the
+ * requested API to API_OPENGL_CORE.
+ *
+ * In Mesa, a debug context is the same as a regular context.
+ */
+ if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0) {
+ mesa_api = API_OPENGL_CORE;
+ }
+
+ const uint32_t allowed_flags = (__DRI_CTX_FLAG_DEBUG
+ | __DRI_CTX_FLAG_FORWARD_COMPATIBLE
+ | __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS);
+ if (flags & ~allowed_flags) {
+ *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
+ return NULL;
+ }
+
+ if (!validate_context_version(screen, mesa_api,
+ major_version, minor_version, error))
+ return NULL;
+
+ context = calloc(1, sizeof *context);
+ if (!context) {
+ *error = __DRI_CTX_ERROR_NO_MEMORY;
+ return NULL;
+ }
+
+ context->loaderPrivate = data;
+
+ context->driScreenPriv = screen;
+ context->driDrawablePriv = NULL;
+ context->driReadablePriv = NULL;
+
+ if (!screen->driver->CreateContext(mesa_api, modes, context,
+ major_version, minor_version,
+ flags, notify_reset, error, shareCtx)) {
+ free(context);
+ return NULL;
+ }
+
+ *error = __DRI_CTX_ERROR_SUCCESS;
+ return context;
+}
+
+void
+driContextSetFlags(struct gl_context *ctx, uint32_t flags)
+{
+ if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0)
+ ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
+ if ((flags & __DRI_CTX_FLAG_DEBUG) != 0) {
+ _mesa_set_debug_state_int(ctx, GL_DEBUG_OUTPUT, GL_TRUE);
+ ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_DEBUG_BIT;
+ }
+}
+
+static __DRIcontext *
+driCreateNewContextForAPI(__DRIscreen *screen, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ unsigned error;
+
+ return driCreateContextAttribs(screen, api, config, shared, 0, NULL,
+ &error, data);
+}
+
+static __DRIcontext *
+driCreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ return driCreateNewContextForAPI(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) {
+ pcp->driScreenPriv->driver->DestroyContext(pcp);
+ free(pcp);
+ }
+}
+
+static int
+driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
+{
+ (void) dest;
+ (void) src;
+ (void) mask;
+ return GL_FALSE;
+}
+
+/*@}*/
-static void dri_get_drawable(__DRIdrawable *pdp);
-static void dri_put_drawable(__DRIdrawable *pdp);
/*****************************************************************/
/** \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
+ * function.
+ */
+static int driBindContext(__DRIcontext *pcp,
+ __DRIdrawable *pdp,
+ __DRIdrawable *prp)
+{
+ /*
+ ** Assume error checking is done properly in glXMakeCurrent before
+ ** calling driUnbindContext.
+ */
+
+ if (!pcp)
+ return GL_FALSE;
+
+ /* Bind the drawable to the context */
+ pcp->driDrawablePriv = pdp;
+ pcp->driReadablePriv = prp;
+ if (pdp) {
+ pdp->driContextPriv = pcp;
+ dri_get_drawable(pdp);
+ }
+ if (prp && pdp != prp) {
+ dri_get_drawable(prp);
+ }
+
+ return pcp->driScreenPriv->driver->MakeCurrent(pcp, pdp, prp);
+}
+
/**
* Unbind context.
*
*/
if (pcp == NULL)
- return GL_FALSE;
+ return GL_FALSE;
+
+ /*
+ ** Call driUnbindContext before checking for valid drawables
+ ** to handle surfaceless contexts properly.
+ */
+ pcp->driScreenPriv->driver->UnbindContext(pcp);
pdp = pcp->driDrawablePriv;
prp = pcp->driReadablePriv;
/* already unbound */
if (!pdp && !prp)
- return GL_TRUE;
- /* Let driver unbind drawable from context */
- driDriverAPI.UnbindContext(pcp);
+ return GL_TRUE;
assert(pdp);
if (pdp->refcount == 0) {
dri_put_drawable(pdp);
if (prp != pdp) {
- if (prp->refcount == 0) {
+ if (prp->refcount == 0) {
/* ERROR!!! */
return GL_FALSE;
}
- dri_put_drawable(prp);
+ dri_put_drawable(prp);
}
-
- /* 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;
+ pcp->driDrawablePriv = NULL;
+ pcp->driReadablePriv = NULL;
return GL_TRUE;
}
-/**
- * This function takes both a read buffer and a draw buffer. This is needed
- * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
- * function.
- */
-static int driBindContext(__DRIcontext *pcp,
- __DRIdrawable *pdp,
- __DRIdrawable *prp)
-{
- /*
- ** Assume error checking is done properly in glXMakeCurrent before
- ** calling driUnbindContext.
- */
+/*@}*/
- if (!pcp)
- return GL_FALSE;
- /* Bind the drawable to the context */
- pcp->driDrawablePriv = pdp;
- pcp->driReadablePriv = prp;
+static void dri_get_drawable(__DRIdrawable *pdp)
+{
+ pdp->refcount++;
+}
+
+static void dri_put_drawable(__DRIdrawable *pdp)
+{
if (pdp) {
- pdp->driContextPriv = pcp;
- dri_get_drawable(pdp);
- }
- if (prp && pdp != prp) {
- dri_get_drawable(prp);
- }
+ pdp->refcount--;
+ if (pdp->refcount)
+ return;
- /* Call device-specific MakeCurrent */
- return driDriverAPI.MakeCurrent(pcp, pdp, prp);
+ pdp->driScreenPriv->driver->DestroyBuffer(pdp);
+ free(pdp);
+ }
}
static __DRIdrawable *
-dri2CreateNewDrawable(__DRIscreen *screen,
- const __DRIconfig *config,
- void *loaderPrivate)
+driCreateNewDrawable(__DRIscreen *screen,
+ const __DRIconfig *config,
+ void *data)
{
__DRIdrawable *pdraw;
if (!pdraw)
return NULL;
+ pdraw->loaderPrivate = data;
+
+ pdraw->driScreenPriv = screen;
pdraw->driContextPriv = NULL;
- pdraw->loaderPrivate = loaderPrivate;
- pdraw->refcount = 1;
+ pdraw->refcount = 0;
pdraw->lastStamp = 0;
pdraw->w = 0;
pdraw->h = 0;
- pdraw->driScreenPriv = screen;
- if (!driDriverAPI.CreateBuffer(screen, pdraw, &config->modes, 0)) {
+ dri_get_drawable(pdraw);
+
+ if (!screen->driver->CreateBuffer(screen, pdraw, &config->modes,
+ GL_FALSE)) {
free(pdraw);
return NULL;
}
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 driDriverAPI.AllocateBuffer(screen, attachment, format,
- width, height);
+ return screen->driver->AllocateBuffer(screen, attachment, format,
+ width, height);
}
static void
dri2ReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
{
- driDriverAPI.ReleaseBuffer(screen, buffer);
+ screen->driver->ReleaseBuffer(screen, buffer);
}
static int
-dri2ConfigQueryb(__DRIscreen *screen, const char *var, GLboolean *val)
+dri2ConfigQueryb(__DRIscreen *screen, const char *var, unsigned char *val)
{
if (!driCheckOption(&screen->optionCache, var, DRI_BOOL))
return -1;
}
static int
-dri2ConfigQueryi(__DRIscreen *screen, const char *var, GLint *val)
+dri2ConfigQueryi(__DRIscreen *screen, const char *var, int *val)
{
if (!driCheckOption(&screen->optionCache, var, DRI_INT) &&
!driCheckOption(&screen->optionCache, var, DRI_ENUM))
}
static int
-dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val)
+dri2ConfigQueryf(__DRIscreen *screen, const char *var, float *val)
{
if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT))
return -1;
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;
- driDriverAPI.DestroyBuffer(pdp);
- 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) {
- driDriverAPI.DestroyContext(pcp);
- free(pcp);
- }
-}
-
static unsigned int
-dri2GetAPIMask(__DRIscreen *screen)
+driGetAPIMask(__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 (!driDriverAPI.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.
+ * swrast swapbuffers entrypoint.
+ *
+ * DRI2 implements this inside the loader with only flushes handled by the
+ * driver.
*/
-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 (driDriverAPI.DestroyScreen)
- driDriverAPI.DestroyScreen(psp);
-
- driDestroyOptionCache(&psp->optionCache);
- driDestroyOptionInfo(&psp->optionInfo);
-
- free(psp);
- }
-}
-
static void
-setupLoaderExtensions(__DRIscreen *psp,
- const __DRIextension **extensions)
+driSwapBuffers(__DRIdrawable *pdp)
{
- int i;
+ assert(pdp->driScreenPriv->swrast_loader);
- 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];
- }
-}
-
-/**
- * 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;
-
- 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;
-}
-
-static const __DRIextension **driGetExtensions(__DRIscreen *psp)
-{
- return psp->extensions;
+ pdp->driScreenPriv->driver->SwapBuffers(pdp);
}
/** Core interface */
const __DRIcoreExtension driCoreExtension = {
- { __DRI_CORE, __DRI_CORE_VERSION },
- NULL,
- driDestroyScreen,
- driGetExtensions,
- driGetConfigAttrib,
- driIndexConfigAttrib,
- NULL,
- driDestroyDrawable,
- NULL,
- NULL,
- driCopyContext,
- driDestroyContext,
- driBindContext,
- driUnbindContext
+ .base = { __DRI_CORE, 1 },
+
+ .createNewScreen = NULL,
+ .destroyScreen = driDestroyScreen,
+ .getExtensions = driGetExtensions,
+ .getConfigAttrib = driGetConfigAttrib,
+ .indexConfigAttrib = driIndexConfigAttrib,
+ .createNewDrawable = NULL,
+ .destroyDrawable = driDestroyDrawable,
+ .swapBuffers = driSwapBuffers, /* swrast */
+ .createNewContext = driCreateNewContext, /* swrast */
+ .copyContext = driCopyContext,
+ .destroyContext = driDestroyContext,
+ .bindContext = driBindContext,
+ .unbindContext = driUnbindContext
};
/** DRI2 interface */
const __DRIdri2Extension driDRI2Extension = {
- { __DRI_DRI2, __DRI_DRI2_VERSION },
- dri2CreateNewScreen,
- dri2CreateNewDrawable,
- dri2CreateNewContext,
- dri2GetAPIMask,
- dri2CreateNewContextForAPI,
- dri2AllocateBuffer,
- dri2ReleaseBuffer
+ .base = { __DRI_DRI2, 4 },
+
+ .createNewScreen = dri2CreateNewScreen,
+ .createNewDrawable = driCreateNewDrawable,
+ .createNewContext = driCreateNewContext,
+ .getAPIMask = driGetAPIMask,
+ .createNewContextForAPI = driCreateNewContextForAPI,
+ .allocateBuffer = dri2AllocateBuffer,
+ .releaseBuffer = dri2ReleaseBuffer,
+ .createContextAttribs = driCreateContextAttribs,
+ .createNewScreen2 = driCreateNewScreen2,
+};
+
+const __DRIswrastExtension driSWRastExtension = {
+ .base = { __DRI_SWRAST, 4 },
+
+ .createNewScreen = driSWRastCreateNewScreen,
+ .createNewDrawable = driCreateNewDrawable,
+ .createNewContextForAPI = driCreateNewContextForAPI,
+ .createContextAttribs = driCreateContextAttribs,
+ .createNewScreen2 = driSWRastCreateNewScreen2,
};
const __DRI2configQueryExtension dri2ConfigQueryExtension = {
- { __DRI2_CONFIG_QUERY, __DRI2_CONFIG_QUERY_VERSION },
- dri2ConfigQueryb,
- dri2ConfigQueryi,
- dri2ConfigQueryf,
+ .base = { __DRI2_CONFIG_QUERY, 1 },
+
+ .configQueryb = dri2ConfigQueryb,
+ .configQueryi = dri2ConfigQueryi,
+ .configQueryf = dri2ConfigQueryf,
};
void
{
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);
+ _mesa_resize_framebuffer(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);
}
}
+
+uint32_t
+driGLFormatToImageFormat(mesa_format format)
+{
+ switch (format) {
+ case MESA_FORMAT_B5G6R5_UNORM:
+ return __DRI_IMAGE_FORMAT_RGB565;
+ case MESA_FORMAT_B5G5R5A1_UNORM:
+ return __DRI_IMAGE_FORMAT_ARGB1555;
+ case MESA_FORMAT_B8G8R8X8_UNORM:
+ return __DRI_IMAGE_FORMAT_XRGB8888;
+ case MESA_FORMAT_B10G10R10A2_UNORM:
+ return __DRI_IMAGE_FORMAT_ARGB2101010;
+ case MESA_FORMAT_B10G10R10X2_UNORM:
+ return __DRI_IMAGE_FORMAT_XRGB2101010;
+ case MESA_FORMAT_B8G8R8A8_UNORM:
+ return __DRI_IMAGE_FORMAT_ARGB8888;
+ case MESA_FORMAT_R8G8B8A8_UNORM:
+ return __DRI_IMAGE_FORMAT_ABGR8888;
+ case MESA_FORMAT_R8G8B8X8_UNORM:
+ return __DRI_IMAGE_FORMAT_XBGR8888;
+ case MESA_FORMAT_L_UNORM8:
+ case MESA_FORMAT_R_UNORM8:
+ return __DRI_IMAGE_FORMAT_R8;
+ case MESA_FORMAT_L8A8_UNORM:
+ case MESA_FORMAT_R8G8_UNORM:
+ return __DRI_IMAGE_FORMAT_GR88;
+ case MESA_FORMAT_NONE:
+ return __DRI_IMAGE_FORMAT_NONE;
+ case MESA_FORMAT_B8G8R8A8_SRGB:
+ return __DRI_IMAGE_FORMAT_SARGB8;
+ default:
+ return 0;
+ }
+}
+
+mesa_format
+driImageFormatToGLFormat(uint32_t image_format)
+{
+ switch (image_format) {
+ case __DRI_IMAGE_FORMAT_RGB565:
+ return MESA_FORMAT_B5G6R5_UNORM;
+ case __DRI_IMAGE_FORMAT_ARGB1555:
+ return MESA_FORMAT_B5G5R5A1_UNORM;
+ case __DRI_IMAGE_FORMAT_XRGB8888:
+ return MESA_FORMAT_B8G8R8X8_UNORM;
+ case __DRI_IMAGE_FORMAT_ARGB2101010:
+ return MESA_FORMAT_B10G10R10A2_UNORM;
+ case __DRI_IMAGE_FORMAT_XRGB2101010:
+ return MESA_FORMAT_B10G10R10X2_UNORM;
+ case __DRI_IMAGE_FORMAT_ARGB8888:
+ return MESA_FORMAT_B8G8R8A8_UNORM;
+ case __DRI_IMAGE_FORMAT_ABGR8888:
+ return MESA_FORMAT_R8G8B8A8_UNORM;
+ case __DRI_IMAGE_FORMAT_XBGR8888:
+ return MESA_FORMAT_R8G8B8X8_UNORM;
+ case __DRI_IMAGE_FORMAT_R8:
+ return MESA_FORMAT_R_UNORM8;
+ case __DRI_IMAGE_FORMAT_R16:
+ return MESA_FORMAT_R_UNORM16;
+ case __DRI_IMAGE_FORMAT_GR88:
+ return MESA_FORMAT_R8G8_UNORM;
+ case __DRI_IMAGE_FORMAT_GR1616:
+ return MESA_FORMAT_R16G16_UNORM;
+ case __DRI_IMAGE_FORMAT_SARGB8:
+ return MESA_FORMAT_B8G8R8A8_SRGB;
+ case __DRI_IMAGE_FORMAT_NONE:
+ return MESA_FORMAT_NONE;
+ default:
+ return MESA_FORMAT_NONE;
+ }
+}
+
+/** Image driver interface */
+const __DRIimageDriverExtension driImageDriverExtension = {
+ .base = { __DRI_IMAGE_DRIVER, 1 },
+
+ .createNewScreen2 = driCreateNewScreen2,
+ .createNewDrawable = driCreateNewDrawable,
+ .getAPIMask = driGetAPIMask,
+ .createContextAttribs = driCreateContextAttribs,
+};
+
+/* swrast copy sub buffer entrypoint. */
+static void driCopySubBuffer(__DRIdrawable *pdp, int x, int y,
+ int w, int h)
+{
+ assert(pdp->driScreenPriv->swrast_loader);
+
+ pdp->driScreenPriv->driver->CopySubBuffer(pdp, x, y, w, h);
+}
+
+/* for swrast only */
+const __DRIcopySubBufferExtension driCopySubBufferExtension = {
+ .base = { __DRI_COPY_SUB_BUFFER, 1 },
+
+ .copySubBuffer = driCopySubBuffer,
+};