dri: Add DRI entrypoints to create a context for a given API

include/GL/internal/dri_interface.h

@@ -736,7 +736,11 @@ struct __DRIdri2LoaderExtensionRec {
  * constructors for DRI2.
  */
 #define __DRI_DRI2 "DRI_DRI2"
-#define __DRI_DRI2_VERSION 1
+#define __DRI_DRI2_VERSION 2
+
+#define __DRI_API_OPENGL	0
+#define __DRI_API_GLES		1
+#define __DRI_API_GLES2		2
 
 struct __DRIdri2ExtensionRec {
     __DRIextension base;
@@ -755,6 +759,14 @@ struct __DRIdri2ExtensionRec {
 				      __DRIcontext *shared,
 				      void *loaderPrivate);
 
+   /* Since version 2 */
+   unsigned int (*getAPIMask)(__DRIscreen *screen);
+
+   __DRIcontext *(*createNewContextForAPI)(__DRIscreen *screen,
+					   int api,
+					   const __DRIconfig *config,
+					   __DRIcontext *shared,
+					   void *data);
 };
 
 

src/mesa/drivers/dri/common/dri_util.c

@@ -564,7 +564,8 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
 
     pcp->hHWContext = hwContext;
 
-    if ( !(*psp->DriverAPI.CreateContext)(&config->modes, pcp, shareCtx) ) {
+    if ( !(*psp->DriverAPI.CreateContext)(API_OPENGL,
+					  &config->modes, pcp, shareCtx) ) {
         free(pcp);
         return NULL;
     }
@@ -572,15 +573,62 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
     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;
+    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;
+    }
+
+    context = malloc(sizeof *context);
+    if (!context)
+	return NULL;
+
+    context->driScreenPriv = screen;
+    context->driDrawablePriv = NULL;
+    context->loaderPrivate = data;
+    
+    if (!(*screen->DriverAPI.CreateContext)(api, &config->modes,
+					    context, shareCtx) ) {
+        free(context);
+        return NULL;
+    }
+
+    return context;
+}
+
 
 static __DRIcontext *
 dri2CreateNewContext(__DRIscreen *screen, const __DRIconfig *config,
 		      __DRIcontext *shared, void *data)
 {
-    return driCreateNewContext(screen, config, 0, shared, 0, data);
+   return dri2CreateNewContextForAPI(screen, __DRI_API_OPENGL,
+				     config, shared, data);
 }
 
-
 static int
 driCopyContext(__DRIcontext *dest, __DRIcontext *src, unsigned long mask)
 {
@@ -718,6 +766,7 @@ driCreateNewScreen(int scrn,
     psp->dri2.enabled = GL_FALSE;
 
     psp->DriverAPI = driDriverAPI;
+    psp->api_mask = (1 << __DRI_API_OPENGL);
 
     *driver_modes = driDriverAPI.InitScreen(psp);
     if (*driver_modes == NULL) {
@@ -763,6 +812,7 @@ dri2CreateNewScreen(int scrn, int fd,
     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);
@@ -811,6 +861,8 @@ const __DRIdri2Extension driDRI2Extension = {
     dri2CreateNewScreen,
     dri2CreateNewDrawable,
     dri2CreateNewContext,
+    dri2GetAPIMask,
+    dri2CreateNewContextForAPI
 };
 
 static int

src/mesa/drivers/dri/common/dri_util.h

@@ -52,6 +52,7 @@
 #include <drm_sarea.h>
 #include <xf86drm.h>
 #include "main/glheader.h"
+#include "main/mtypes.h"
 #include "GL/internal/glcore.h"
 #include "GL/internal/dri_interface.h"
 
@@ -146,8 +147,9 @@ struct __DriverAPIRec {
     /**
      * Context creation callback
      */	    	    
-    GLboolean (*CreateContext)(const __GLcontextModes *glVis,
-                               __DRIcontext *driContextPriv,
+    GLboolean (*CreateContext)(gl_api api,
+			       const __GLcontextModes *glVis,
+			       __DRIcontext *driContextPriv,
                                void *sharedContextPrivate);
 
     /**
@@ -527,6 +529,8 @@ struct __DRIscreenRec {
 
     /* The lock actually in use, old sarea or DRI2 */
     drmLock *lock;
+
+   unsigned int api_mask;
 };
 
 extern void

src/mesa/drivers/dri/i810/i810context.c

@@ -166,7 +166,8 @@ static const struct dri_debug_control debug_control[] =
 };
 
 GLboolean
-i810CreateContext( const __GLcontextModes *mesaVis,
+i810CreateContext( gl_api api,
+		   const __GLcontextModes *mesaVis,
                    __DRIcontext *driContextPriv,
                    void *sharedContextPrivate )
 {

src/mesa/drivers/dri/i810/i810screen.h

@@ -78,7 +78,8 @@ typedef struct {
 
 
 extern GLboolean
-i810CreateContext( const __GLcontextModes *mesaVis,
+i810CreateContext( gl_api api,
+		   const __GLcontextModes *mesaVis,
                    __DRIcontext *driContextPriv,
                    void *sharedContextPrivate );
 

src/mesa/drivers/dri/intel/intel_screen.c

@@ -364,7 +364,8 @@ extern GLboolean brwCreateContext(const __GLcontextModes * mesaVis,
 				  void *sharedContextPrivate);
 
 static GLboolean
-intelCreateContext(const __GLcontextModes * mesaVis,
+intelCreateContext(gl_api api,
+		   const __GLcontextModes * mesaVis,
                    __DRIcontext * driContextPriv,
                    void *sharedContextPrivate)
 {

src/mesa/drivers/dri/mach64/mach64_context.c

@@ -86,7 +86,8 @@ static const struct dri_extension card_extensions[] =
 
 /* Create the device specific context.
   */
-GLboolean mach64CreateContext( const __GLcontextModes *glVisual,
+GLboolean mach64CreateContext( gl_api api,
+			       const __GLcontextModes *glVisual,
 			       __DRIcontext *driContextPriv,
                                void *sharedContextPrivate )
 {

src/mesa/drivers/dri/mach64/mach64_context.h

@@ -273,7 +273,8 @@ struct mach64_context {
 #define MACH64_CONTEXT(ctx)		((mach64ContextPtr)(ctx->DriverCtx))
 
 
-extern GLboolean mach64CreateContext( const __GLcontextModes *glVisual,
+extern GLboolean mach64CreateContext( gl_api api,
+				      const __GLcontextModes *glVisual,
 				      __DRIcontext *driContextPriv,
                                       void *sharedContextPrivate );
 

src/mesa/drivers/dri/mga/mga_xmesa.c

@@ -423,7 +423,8 @@ static const struct dri_debug_control debug_control[] =
 
 
 static GLboolean
-mgaCreateContext( const __GLcontextModes *mesaVis,
+mgaCreateContext( gl_api api,
+		  const __GLcontextModes *mesaVis,
                   __DRIcontext *driContextPriv,
                   void *sharedContextPrivate )
 {

src/mesa/drivers/dri/nouveau/nouveau_context.c

@@ -75,7 +75,8 @@ nouveau_channel_flush_notify(struct nouveau_channel *chan)
 }
 
 GLboolean
-nouveau_context_create(const __GLcontextModes *visual, __DRIcontext *dri_ctx,
+nouveau_context_create(gl_api api,
+		       const __GLcontextModes *visual, __DRIcontext *dri_ctx,
 		       void *share_ctx)
 {
 	__DRIscreen *dri_screen = dri_ctx->driScreenPriv;

src/mesa/drivers/dri/r128/r128_context.c

@@ -99,7 +99,8 @@ static const struct dri_debug_control debug_control[] =
 
 /* Create the device specific context.
  */
-GLboolean r128CreateContext( const __GLcontextModes *glVisual,
+GLboolean r128CreateContext( gl_api api,
+			     const __GLcontextModes *glVisual,
 			     __DRIcontext *driContextPriv,
                              void *sharedContextPrivate )
 {

src/mesa/drivers/dri/r128/r128_context.h

@@ -224,7 +224,8 @@ struct r128_context {
 		(rmesa->r128Screen->chipset == R128_CARD_TYPE_R128_MOBILITY)
 
 
-extern GLboolean r128CreateContext( const __GLcontextModes *glVisual,
+extern GLboolean r128CreateContext( gl_api api,
+				    const __GLcontextModes *glVisual,
 				    __DRIcontext *driContextPriv,
                                     void *sharedContextPrivate );
 

src/mesa/drivers/dri/r200/r200_context.c

@@ -271,7 +271,8 @@ static void r200_init_vtbl(radeonContextPtr radeon)
 
 /* Create the device specific rendering context.
  */
-GLboolean r200CreateContext( const __GLcontextModes *glVisual,
+GLboolean r200CreateContext( gl_api api,
+			     const __GLcontextModes *glVisual,
 			     __DRIcontext *driContextPriv,
 			     void *sharedContextPrivate)
 {

src/mesa/drivers/dri/r200/r200_context.h

@@ -637,7 +637,8 @@ struct r200_context {
 
 
 extern void r200DestroyContext( __DRIcontext *driContextPriv );
-extern GLboolean r200CreateContext( const __GLcontextModes *glVisual,
+extern GLboolean r200CreateContext( gl_api api,
+				    const __GLcontextModes *glVisual,
 				    __DRIcontext *driContextPriv,
 				    void *sharedContextPrivate);
 extern GLboolean r200MakeCurrent( __DRIcontext *driContextPriv,

src/mesa/drivers/dri/r300/r300_context.c

@@ -478,7 +478,8 @@ static void r300InitIoctlFuncs(struct dd_function_table *functions)
 
 /* Create the device specific rendering context.
  */
-GLboolean r300CreateContext(const __GLcontextModes * glVisual,
+GLboolean r300CreateContext(gl_api api,
+			    const __GLcontextModes * glVisual,
 			    __DRIcontext * driContextPriv,
 			    void *sharedContextPrivate)
 {

src/mesa/drivers/dri/r300/r300_context.h

@@ -543,7 +543,8 @@ struct r300_context {
 #define R300_CONTEXT(ctx)		((r300ContextPtr)(ctx->DriverCtx))
 
 extern void r300DestroyContext(__DRIcontext * driContextPriv);
-extern GLboolean r300CreateContext(const __GLcontextModes * glVisual,
+extern GLboolean r300CreateContext(gl_api api,
+				   const __GLcontextModes * glVisual,
 				   __DRIcontext * driContextPriv,
 				   void *sharedContextPrivate);
 

src/mesa/drivers/dri/r600/r600_context.c

@@ -353,7 +353,8 @@ static void r600InitGLExtensions(GLcontext *ctx)
 
 /* Create the device specific rendering context.
  */
-GLboolean r600CreateContext(const __GLcontextModes * glVisual,
+GLboolean r600CreateContext(gl_api api,
+			    const __GLcontextModes * glVisual,
 			    __DRIcontext * driContextPriv,
 			    void *sharedContextPrivate)
 {

src/mesa/drivers/dri/r600/r600_context.h

@@ -155,7 +155,8 @@ struct r600_context {
 #define R700_CONTEXT(ctx)		((context_t *)(ctx->DriverCtx))
 #define GL_CONTEXT(context)     ((GLcontext *)(context->radeon.glCtx))
 
-extern GLboolean r600CreateContext(const __GLcontextModes * glVisual,
+extern GLboolean r600CreateContext(gl_api api,
+				   const __GLcontextModes * glVisual,
 				   __DRIcontext * driContextPriv,
 				   void *sharedContextPrivate);
 

src/mesa/drivers/dri/radeon/radeon_context.c

@@ -206,9 +206,10 @@ static void r100_init_vtbl(radeonContextPtr radeon)
 /* Create the device specific context.
  */
 GLboolean
-r100CreateContext( const __GLcontextModes *glVisual,
-                     __DRIcontext *driContextPriv,
-                     void *sharedContextPrivate)
+r100CreateContext( gl_api api,
+		   const __GLcontextModes *glVisual,
+		   __DRIcontext *driContextPriv,
+		   void *sharedContextPrivate)
 {
    __DRIscreen *sPriv = driContextPriv->driScreenPriv;
    radeonScreenPtr screen = (radeonScreenPtr)(sPriv->private);

src/mesa/drivers/dri/radeon/radeon_context.h

@@ -450,7 +450,8 @@ struct r100_context {
 
 #define RADEON_OLD_PACKETS 1
 
-extern GLboolean r100CreateContext( const __GLcontextModes *glVisual,
+extern GLboolean r100CreateContext( gl_api api,
+				    const __GLcontextModes *glVisual,
 				    __DRIcontext *driContextPriv,
 				    void *sharedContextPrivate);
 

src/mesa/drivers/dri/savage/savage_xmesa.c

@@ -288,7 +288,8 @@ savageDestroyScreen(__DRIscreen *sPriv)
 }
 
 static GLboolean
-savageCreateContext( const __GLcontextModes *mesaVis,
+savageCreateContext( gl_api api,
+		     const __GLcontextModes *mesaVis,
 		     __DRIcontext *driContextPriv,
 		     void *sharedContextPrivate )
 {

src/mesa/drivers/dri/sis/sis_context.c

@@ -158,7 +158,8 @@ void sisReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer,
 }
 
 GLboolean
-sisCreateContext( const __GLcontextModes *glVisual,
+sisCreateContext( gl_api api,
+		  const __GLcontextModes *glVisual,
 		  __DRIcontext *driContextPriv,
                   void *sharedContextPrivate )
 {

src/mesa/drivers/dri/sis/sis_context.h

@@ -438,7 +438,8 @@ enum _sis_verbose {
 	VERBOSE_SIS_MEMORY  = 0x2
 };
 
-extern GLboolean sisCreateContext( const __GLcontextModes *glVisual,
+extern GLboolean sisCreateContext( gl_api api,
+				   const __GLcontextModes *glVisual,
 				   __DRIcontext *driContextPriv,
                                    void *sharedContextPrivate );
 extern void sisDestroyContext( __DRIcontext * );

src/mesa/drivers/dri/tdfx/tdfx_context.c

@@ -164,7 +164,8 @@ static const struct dri_debug_control debug_control[] =
     { NULL,    0 }
 };
 
-GLboolean tdfxCreateContext( const __GLcontextModes *mesaVis,
+GLboolean tdfxCreateContext( gl_api api,
+			     const __GLcontextModes *mesaVis,
 			     __DRIcontext *driContextPriv,
                              void *sharedContextPrivate )
 {

src/mesa/drivers/dri/tdfx/tdfx_context.h

@@ -937,7 +937,8 @@ struct tdfx_context {
 
 
 extern GLboolean
-tdfxCreateContext( const __GLcontextModes *mesaVis,
+tdfxCreateContext( gl_api api,
+		   const __GLcontextModes *mesaVis,
                    __DRIcontext *driContextPriv,
                    void *sharedContextPrivate );
 

src/mesa/drivers/dri/unichrome/via_context.c

@@ -456,7 +456,8 @@ FreeBuffer(struct via_context *vmesa)
 
 
 GLboolean
-viaCreateContext(const __GLcontextModes *visual,
+viaCreateContext(gl_api api,
+		 const __GLcontextModes *visual,
                  __DRIcontext *driContextPriv,
                  void *sharedContextPrivate)
 {

src/mesa/drivers/dri/unichrome/via_screen.h

@@ -76,7 +76,8 @@ typedef struct {
 
 
 extern GLboolean
-viaCreateContext(const __GLcontextModes *mesaVis,
+viaCreateContext(gl_api api,
+		 const __GLcontextModes *mesaVis,
                  __DRIcontext *driContextPriv,
                  void *sharedContextPrivate);