dri2: Add createContextAttribs entry point for DRI2 version 3

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 4f768f0..add03c7 100644 (file)
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -781,11 +781,45 @@ struct __DRIdri2LoaderExtensionRec {
  * constructors for DRI2.
  */
 #define __DRI_DRI2 "DRI_DRI2"
-#define __DRI_DRI2_VERSION 2
+#define __DRI_DRI2_VERSION 3
 
-#define __DRI_API_OPENGL       0
+#define __DRI_API_OPENGL       0       /**< OpenGL compatibility profile */
 #define __DRI_API_GLES         1
 #define __DRI_API_GLES2                2
+#define __DRI_API_OPENGL_CORE  3       /**< OpenGL 3.2+ core profile */
+
+#define __DRI_CTX_ATTRIB_MAJOR_VERSION         0
+#define __DRI_CTX_ATTRIB_MINOR_VERSION         1
+#define __DRI_CTX_ATTRIB_FLAGS                 2
+
+#define __DRI_CTX_FLAG_DEBUG                   0x00000001
+#define __DRI_CTX_FLAG_FORWARD_COMPATIBLE      0x00000002
+
+/**
+ * \name Reasons that __DRIdri2Extension::createContextAttribs might fail
+ */
+/*@{*/
+/** Success! */
+#define __DRI_CTX_ERROR_SUCCESS                        0
+
+/** Memory allocation failure */
+#define __DRI_CTX_ERROR_NO_MEMORY              1
+
+/** Client requested an API (e.g., OpenGL ES 2.0) that the driver can't do. */
+#define __DRI_CTX_ERROR_BAD_API                        2
+
+/** Client requested an API version that the driver can't do. */
+#define __DRI_CTX_ERROR_BAD_VERSION            3
+
+/** Client requested a flag or combination of flags the driver can't do. */
+#define __DRI_CTX_ERROR_BAD_FLAG               4
+
+/** Client requested an attribute the driver doesn't understand. */
+#define __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE      5
+
+/** Client requested a flag the driver doesn't understand. */
+#define __DRI_CTX_ERROR_UNKNOWN_FLAG           6
+/*@}*/
 
 struct __DRIdri2ExtensionRec {
     __DRIextension base;
@@ -820,6 +854,20 @@ struct __DRIdri2ExtensionRec {
                                  int height);
    void (*releaseBuffer)(__DRIscreen *screen,
                         __DRIbuffer *buffer);
+
+   /**
+    * Create a context for a particular API with a set of attributes
+    *
+    * \since version 3
+    */
+   __DRIcontext *(*createContextAttribs)(__DRIscreen *screen,
+                                        int api,
+                                        const __DRIconfig *config,
+                                        __DRIcontext *shared,
+                                        unsigned num_attribs,
+                                        const uint32_t *attribs,
+                                        unsigned *error,
+                                        void *loaderPrivate);
 };
 
 

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index 1640c14..a153d52 100644 (file)
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -454,14 +454,18 @@ const __DRIcoreExtension driCoreExtension = {
 
 /** 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,
+    NULL
 };
 
 const __DRI2configQueryExtension dri2ConfigQueryExtension = {