* 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * THE AUTHORS 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.
*/
* DRISW utility functions, i.e. dri_util.c stripped from drm-specific bits.
*/
-#include "drisw_util.h"
+#include "dri_util.h"
#include "utils.h"
static const __DRIextension *emptyExtensionList[] = { NULL };
__DRIscreen *psp;
- (void) data;
-
psp = CALLOC_STRUCT(__DRIscreenRec);
if (!psp)
return NULL;
setupLoaderExtensions(psp, extensions);
+ psp->loaderPrivate = data;
+
psp->extensions = emptyExtensionList;
psp->fd = -1;
psp->myNum = scrn;
*driver_configs = driDriverAPI.InitScreen(psp);
-
if (*driver_configs == NULL) {
- FREE(psp);
+ free(psp);
return NULL;
}
{
if (psp) {
driDriverAPI.DestroyScreen(psp);
-
- FREE(psp);
+ free(psp);
}
}
*/
static __DRIcontext *
-driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
- __DRIcontext *shared, void *data)
-{
- __DRIcontext *pcp;
- void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
-
- pcp = CALLOC_STRUCT(__DRIcontextRec);
- if (!pcp)
- return NULL;
-
- pcp->loaderPrivate = data;
-
- pcp->driScreenPriv = psp;
- pcp->driDrawablePriv = NULL;
- pcp->driReadablePriv = NULL;
-
- if (!driDriverAPI.CreateContext(API_OPENGL,
- &config->modes, pcp, shareCtx)) {
- FREE(pcp);
- return NULL;
- }
-
- return pcp;
-}
-
-static __DRIcontext *
-driCreateNewContextForAPI(__DRIscreen *psp, int api,
- const __DRIconfig *config,
- __DRIcontext *shared, void *data)
+driCreateContextAttribs(__DRIscreen *screen, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared,
+ unsigned num_attribs,
+ const uint32_t *attribs,
+ unsigned *error,
+ void *data)
{
__DRIcontext *pcp;
+ const struct gl_config *modes = (config != NULL) ? &config->modes : NULL;
void * const shareCtx = (shared != NULL) ? shared->driverPrivate : NULL;
gl_api mesa_api;
+ unsigned major_version = 1;
+ unsigned minor_version = 0;
+ uint32_t flags = 0;
+
+ /* Either num_attribs is zero and attribs is NULL, or num_attribs is not
+ * zero and attribs is not NULL.
+ */
+ assert((num_attribs == 0) == (attribs == NULL));
switch (api) {
case __DRI_API_OPENGL:
- mesa_api = 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;
+ default:
+ /* We can't create a context that satisfies the requirements of an
+ * attribute that we don't understand. Return failure.
+ */
+ 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;
+ }
+ /* 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;
+ }
+
pcp = CALLOC_STRUCT(__DRIcontextRec);
if (!pcp)
return NULL;
pcp->loaderPrivate = data;
- pcp->driScreenPriv = psp;
+ pcp->driScreenPriv = screen;
pcp->driDrawablePriv = NULL;
pcp->driReadablePriv = NULL;
- if (!driDriverAPI.CreateContext(mesa_api,
- &config->modes, pcp, shareCtx)) {
- FREE(pcp);
+ if (!driDriverAPI.CreateContext(mesa_api, modes, pcp,
+ major_version, minor_version,
+ flags, error, shareCtx)) {
+ free(pcp);
return NULL;
}
return pcp;
}
+static __DRIcontext *
+driCreateNewContextForAPI(__DRIscreen *psp, int api,
+ const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ unsigned error;
+
+ return driCreateContextAttribs(psp, api, config, shared, 0, NULL,
+ &error, data);
+}
+
+static __DRIcontext *
+driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
+ __DRIcontext *shared, void *data)
+{
+ return driCreateNewContextForAPI(psp, __DRI_API_OPENGL,
+ config, shared, data);
+}
+
static void
driDestroyContext(__DRIcontext *pcp)
{
if (pcp) {
driDriverAPI.DestroyContext(pcp);
- FREE(pcp);
+ free(pcp);
}
}
pdp->driContextPriv = pcp;
dri_get_drawable(pdp);
}
- if ( prp && pdp != prp ) {
+ if (prp && pdp != prp) {
dri_get_drawable(prp);
}
}
return;
driDriverAPI.DestroyBuffer(pdp);
-
- FREE(pdp);
+ free(pdp);
}
}
dri_get_drawable(pdp);
if (!driDriverAPI.CreateBuffer(psp, pdp, &config->modes, GL_FALSE)) {
- FREE(pdp);
+ free(pdp);
return NULL;
}
{ __DRI_SWRAST, __DRI_SWRAST_VERSION },
driCreateNewScreen,
driCreateNewDrawable,
- driCreateNewContextForAPI
+ driCreateNewContextForAPI,
+ driCreateContextAttribs
};