From 8ee238be7587a232beeb56b1dc3b75e1b8fb903e Mon Sep 17 00:00:00 2001
From: Younes Manton <younes.m@gmail.com>
Date: Sat, 10 Jan 2009 13:30:29 -0500
Subject: nouveau: Factor out common winsys bits into libnouveaudrm.a

---
 .../winsys/drm/nouveau/dri/nouveau_context_dri.c   | 124 +++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c

(limited to 'src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c')

diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c b/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c
new file mode 100644
index 0000000000..006978b182
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c
@@ -0,0 +1,124 @@
+#include <main/glheader.h>
+#include <glapi/glthread.h>
+#include <GL/internal/glcore.h>
+#include <utils.h>
+
+#include <state_tracker/st_public.h>
+#include <state_tracker/st_context.h>
+#include <pipe/p_defines.h>
+#include <pipe/p_context.h>
+#include <pipe/p_screen.h>
+
+#include "../common/nouveau_winsys_pipe.h"
+#include "../common/nouveau_dri.h"
+#include "../common/nouveau_local.h"
+#include "nouveau_context_dri.h"
+#include "nouveau_screen_dri.h"
+
+#ifdef DEBUG
+static const struct dri_debug_control debug_control[] = {
+	{ "bo", DEBUG_BO },
+	{ NULL, 0 }
+};
+int __nouveau_debug = 0;
+#endif
+
+GLboolean
+nouveau_context_create(const __GLcontextModes *glVis,
+		       __DRIcontextPrivate *driContextPriv,
+		       void *sharedContextPrivate)
+{
+	__DRIscreenPrivate *driScrnPriv = driContextPriv->driScreenPriv;
+	struct nouveau_screen_dri  *nv_screen = driScrnPriv->private;
+	struct nouveau_context_dri *nv = CALLOC_STRUCT(nouveau_context_dri);
+	struct st_context *st_share = NULL;
+	struct nouveau_context_dri *nv_share = NULL;
+	struct pipe_context *pipe;
+
+	if (sharedContextPrivate) {
+		st_share = ((struct nouveau_context_dri *)sharedContextPrivate)->st;
+		nv_share = st_share->pipe->priv;
+	}
+
+	if (nouveau_context_init(&nv_screen->base, driContextPriv->hHWContext,
+	                         (drmLock *)&driScrnPriv->pSAREA->lock,
+	                         nv_share, &nv->base)) {
+		return GL_FALSE;
+	}
+
+	pipe = nv->base.nvc->pctx[nv->base.pctx_id];
+	driContextPriv->driverPrivate = (void *)nv;
+	//nv->nv_screen  = nv_screen;
+	nv->dri_screen = driScrnPriv;
+
+	driParseConfigFiles(&nv->dri_option_cache, &nv_screen->option_cache,
+			    nv->dri_screen->myNum, "nouveau");
+#ifdef DEBUG
+	__nouveau_debug = driParseDebugString(getenv("NOUVEAU_DEBUG"),
+					      debug_control);
+#endif
+
+	nv->st = st_create_context(pipe, glVis, st_share);
+	return GL_TRUE;
+}
+
+void
+nouveau_context_destroy(__DRIcontextPrivate *driContextPriv)
+{
+	struct nouveau_context_dri *nv = driContextPriv->driverPrivate;
+
+	assert(nv);
+
+	st_finish(nv->st);
+	st_destroy_context(nv->st);
+
+	nouveau_context_cleanup(&nv->base);
+
+	FREE(nv);
+}
+
+GLboolean
+nouveau_context_bind(__DRIcontextPrivate *driContextPriv,
+		     __DRIdrawablePrivate *driDrawPriv,
+		     __DRIdrawablePrivate *driReadPriv)
+{
+	struct nouveau_context_dri *nv;
+	struct nouveau_framebuffer *draw, *read;
+
+	if (!driContextPriv) {
+		st_make_current(NULL, NULL, NULL);
+		return GL_TRUE;
+	}
+
+	nv = driContextPriv->driverPrivate;
+	draw = driDrawPriv->driverPrivate;
+	read = driReadPriv->driverPrivate;
+
+	st_make_current(nv->st, draw->stfb, read->stfb);
+
+	if ((nv->dri_drawable != driDrawPriv) ||
+	    (nv->last_stamp != driDrawPriv->lastStamp)) {
+		nv->dri_drawable = driDrawPriv;
+		st_resize_framebuffer(draw->stfb, driDrawPriv->w,
+				      driDrawPriv->h);
+		nv->last_stamp = driDrawPriv->lastStamp;
+	}
+
+	if (driDrawPriv != driReadPriv) {
+		st_resize_framebuffer(read->stfb, driReadPriv->w,
+				      driReadPriv->h);
+	}
+
+	return GL_TRUE;
+}
+
+GLboolean
+nouveau_context_unbind(__DRIcontextPrivate *driContextPriv)
+{
+	struct nouveau_context_dri *nv = driContextPriv->driverPrivate;
+	(void)nv;
+
+	st_flush(nv->st, 0, NULL);
+	return GL_TRUE;
+}
+
-- 
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