X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi965%2Fintel_tex_copy.c;h=9c255ae82b6fe0985a5c5b2eb57ac864e182e36a;hb=284dcad20a9a55278c1d3dd98f53e45650b22896;hp=87196c5d1ed194a93bacad3a8bdf6bce80168ed5;hpb=4af0d940a35536f096a9289470af0268a79402b3;p=mesa.git

diff --git a/src/mesa/drivers/dri/i965/intel_tex_copy.c b/src/mesa/drivers/dri/i965/intel_tex_copy.c
deleted file mode 120000
index 87196c5d1ed..00000000000
--- a/src/mesa/drivers/dri/i965/intel_tex_copy.c
+++ /dev/null
@@ -1 +0,0 @@
-../intel/intel_tex_copy.c
\ No newline at end of file
diff --git a/src/mesa/drivers/dri/i965/intel_tex_copy.c b/src/mesa/drivers/dri/i965/intel_tex_copy.c
new file mode 100644
index 00000000000..9c255ae82b6
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/intel_tex_copy.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright 2003 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 VMWARE AND/OR ITS SUPPLIERS 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.
+ */
+
+#include "main/mtypes.h"
+#include "main/enums.h"
+#include "main/image.h"
+#include "main/teximage.h"
+#include "main/texobj.h"
+#include "main/texstate.h"
+#include "main/fbobject.h"
+
+#include "drivers/common/meta.h"
+
+#include "intel_screen.h"
+#include "intel_mipmap_tree.h"
+#include "intel_fbo.h"
+#include "intel_tex.h"
+#include "intel_blit.h"
+#include "brw_context.h"
+
+#define FILE_DEBUG_FLAG DEBUG_TEXTURE
+
+
+static bool
+intel_copy_texsubimage(struct brw_context *brw,
+                       struct intel_texture_image *intelImage,
+                       GLint dstx, GLint dsty, GLint slice,
+                       struct intel_renderbuffer *irb,
+                       GLint x, GLint y, GLsizei width, GLsizei height)
+{
+   const GLenum internalFormat = intelImage->base.Base.InternalFormat;
+   bool ret;
+
+   /* No pixel transfer operations (zoom, bias, mapping), just a blit */
+   if (brw->ctx._ImageTransferState)
+      return false;
+
+   intel_prepare_render(brw);
+
+   /* glCopyTexSubImage() can be called on a multisampled renderbuffer (if
+    * that renderbuffer is associated with the window system framebuffer),
+    * however the hardware blitter can't handle this case, so fall back to
+    * meta (which can, since it uses ReadPixels).
+    */
+   if (irb->Base.Base.NumSamples != 0)
+      return false;
+
+   /* glCopyTexSubImage() can't be called on a multisampled texture. */
+   assert(intelImage->base.Base.NumSamples == 0);
+
+   if (!intelImage->mt || !irb || !irb->mt) {
+      if (unlikely(INTEL_DEBUG & DEBUG_PERF))
+	 fprintf(stderr, "%s fail %p %p (0x%08x)\n",
+		 __func__, intelImage->mt, irb, internalFormat);
+      return false;
+   }
+
+   /* account for view parameters and face index */
+   int dst_level = intelImage->base.Base.Level +
+                   intelImage->base.Base.TexObject->MinLevel;
+   int dst_slice = slice + intelImage->base.Base.Face +
+                   intelImage->base.Base.TexObject->MinLayer;
+
+   _mesa_unlock_texture(&brw->ctx, intelImage->base.Base.TexObject);
+
+   /* blit from src buffer to texture */
+   ret = intel_miptree_blit(brw,
+                            irb->mt, irb->mt_level, irb->mt_layer,
+                            x, y, irb->Base.Base.Name == 0,
+                            intelImage->mt, dst_level, dst_slice,
+                            dstx, dsty, false,
+                            width, height, GL_COPY);
+
+   _mesa_lock_texture(&brw->ctx, intelImage->base.Base.TexObject);
+
+   return ret;
+}
+
+
+static void
+intelCopyTexSubImage(struct gl_context *ctx, GLuint dims,
+                     struct gl_texture_image *texImage,
+                     GLint xoffset, GLint yoffset, GLint slice,
+                     struct gl_renderbuffer *rb,
+                     GLint x, GLint y,
+                     GLsizei width, GLsizei height)
+{
+   struct brw_context *brw = brw_context(ctx);
+
+   /* Try BLORP first.  It can handle almost everything. */
+   if (brw_blorp_copytexsubimage(brw, rb, texImage, slice, x, y,
+                                 xoffset, yoffset, width, height))
+      return;
+
+   /* Next, try the BLT engine. */
+   if (intel_copy_texsubimage(brw,
+                              intel_texture_image(texImage),
+                              xoffset, yoffset, slice,
+                              intel_renderbuffer(rb), x, y, width, height)) {
+      return;
+   }
+
+   /* Finally, fall back to meta.  This will likely be slow. */
+   perf_debug("%s - fallback to swrast\n", __func__);
+   _mesa_meta_CopyTexSubImage(ctx, dims, texImage,
+                              xoffset, yoffset, slice,
+                              rb, x, y, width, height);
+}
+
+
+void
+intelInitTextureCopyImageFuncs(struct dd_function_table *functions)
+{
+   functions->CopyTexSubImage = intelCopyTexSubImage;
+}