Mesa (master): r600: use the drm ioctls for swap and texture upload

[Alex Deucher]

Module: Mesa
Branch: master
Commit: c2b29b5df506d747e9a53bbcf5a45dc7cfe65643
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c2b29b5df506d747e9a53bbcf5a45dc7cfe65643

Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Tue Aug 11 22:15:18 2009 -0400

r600: use the drm ioctls for swap and texture upload

NOTE:  THIS REQUIRES AN UPDATED DRM!

---

 src/mesa/drivers/dri/radeon/radeon_bo_legacy.c |   32 ++++++++++++++++++++---
 src/mesa/drivers/dri/radeon/radeon_common.c    |   26 -------------------
 2 files changed, 27 insertions(+), 31 deletions(-)

diff --git a/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c b/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c
index 8c19f30..6d6ae5d 100644
--- a/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c
+++ b/src/mesa/drivers/dri/radeon/radeon_bo_legacy.c
@@ -624,12 +624,34 @@ static int bo_vram_validate(struct radeon_bo *bo,
 
     if (bo_legacy->dirty || bo_legacy->tobj->base.dirty_images[0]) {
 	    if (IS_R600_CLASS(boml->screen)) {
-		    char *src = bo_legacy->ptr;
-		    char *dst = (char *) boml->screen->driScreen->pFB +
-			    (bo_legacy->offset - boml->fb_location);
+		    drm_radeon_texture_t tex;
+		    drm_radeon_tex_image_t tmp;
+		    int ret;
+
+		    tex.offset = bo_legacy->offset;
+		    tex.image = &tmp;
+		    assert(!(tex.offset & 1023));
 
-		    /* FIXME: alignment, pitch, etc. */
-		    memcpy(dst, src, bo->size);
+		    tmp.x = 0;
+		    tmp.y = 0;
+		    tmp.width = bo->size;
+		    tmp.height = 1;
+		    tmp.data = bo_legacy->ptr;
+		    tex.format = RADEON_TXFORMAT_ARGB8888;
+		    tex.width = tmp.width;
+		    tex.height = tmp.height;
+		    tex.pitch = bo->size;
+		    do {
+			    ret = drmCommandWriteRead(bo->bom->fd,
+						      DRM_RADEON_TEXTURE,
+						      &tex,
+						      sizeof(drm_radeon_texture_t));
+			    if (ret) {
+				    if (RADEON_DEBUG & DEBUG_IOCTL)
+					    fprintf(stderr, "DRM_RADEON_TEXTURE:  again!\n");
+				    usleep(1);
+			    }
+		    } while (ret == -EAGAIN);
 	    } else {
 		    /* Copy to VRAM using a blit.
 		     * All memory is 4K aligned. We're using 1024 pixels wide blits.
diff --git a/src/mesa/drivers/dri/radeon/radeon_common.c b/src/mesa/drivers/dri/radeon/radeon_common.c
index 39f1993..330c2c8 100644
--- a/src/mesa/drivers/dri/radeon/radeon_common.c
+++ b/src/mesa/drivers/dri/radeon/radeon_common.c
@@ -481,32 +481,6 @@ void radeonCopyBuffer( __DRIdrawablePrivate *dPriv,
 		if (!n)
 			continue;
 
-		if (IS_R600_CLASS(rmesa->radeonScreen)) {
-			int cpp = rmesa->radeonScreen->cpp;
-			int src_pitch = rmesa->radeonScreen->backPitch * cpp;
-			int dst_pitch = rmesa->radeonScreen->frontPitch * cpp;
-			char *src = (char *)rmesa->radeonScreen->driScreen->pFB + rmesa->radeonScreen->backOffset;
-			char *dst = (char *)rmesa->radeonScreen->driScreen->pFB + rmesa->radeonScreen->frontOffset;
-			int j;
-			drm_clip_rect_t *pb = rmesa->sarea->boxes;
-
-			for (j = 0; j < n; j++) {
-				int x = pb[j].x1;
-				int y = pb[j].y1;
-				int w = pb[j].x2 - x;
-				int h = pb[j].y2 - y;
-
-				src += (y * src_pitch) + (x * cpp);
-				dst += (y * dst_pitch) + (x * cpp);
-
-				while (h--) {
-					memcpy(dst, src, w * cpp);
-					src += src_pitch;
-					dst += dst_pitch;
-				}
-			}
-		}
-
 		ret = drmCommandNone( rmesa->dri.fd, DRM_RADEON_SWAP );
 
 		if ( ret ) {