xvmc: add render dump function

src/xvmc/Makefile.am

@@ -11,6 +11,7 @@ libI810XvMC_la_LIBADD = @DRI_LIBS@
 
 libIntelXvMC_la_SOURCES = intel_xvmc.c \
 			 intel_xvmc.h \
+			 intel_xvmc_dump.c \
 			 i915_structs.h \
 			 i915_program.h \
 			 i915_xvmc.c \

src/xvmc/intel_xvmc.c

@@ -431,6 +431,8 @@ Status XvMCCreateContext(Display *display, XvPortID port,
 
     intelInitBatchBuffer();
 
+    intel_xvmc_dump_open();
+
     return Success;
 }
 
@@ -478,6 +480,8 @@ Status XvMCDestroyContext(Display *display, XvMCContext *context)
 	xvmc_driver->fd = -1;
 
 	intelFiniBatchBuffer();
+
+	intel_xvmc_dump_close();
     }
     return Success;
 }
@@ -666,6 +670,10 @@ Status XvMCRenderSurface(Display *display, XvMCContext *context,
     if (!target_surface)
 	return XvMCBadSurface;
 
+    intel_xvmc_dump_render(context, picture_structure, target_surface,
+	    past_surface, future_surface, flags, num_macroblocks,
+	    first_macroblock, macroblock_array, blocks);
+
     ret = (xvmc_driver->render_surface)(display, context, picture_structure,
 	    target_surface, past_surface, future_surface, flags,
 	    num_macroblocks, first_macroblock, macroblock_array,

src/xvmc/intel_xvmc.h

@@ -251,4 +251,13 @@ extern intel_xvmc_surface_ptr intel_xvmc_find_surface(XID id);
 
 extern unsigned int mb_bytes_420[64];
 
+/* dump function */
+extern void intel_xvmc_dump_open(void);
+extern void intel_xvmc_dump_close(void);
+extern void intel_xvmc_dump_render(XvMCContext *context, unsigned int picture_structure,
+	    XvMCSurface *target_surface, XvMCSurface *past_surface,
+	    XvMCSurface *future_surface, unsigned int flags,
+	    unsigned int num_macroblocks, unsigned int first_macroblock,
+	    XvMCMacroBlockArray *macroblock_array, XvMCBlockArray *blocks);
+
 #endif

src/xvmc/intel_xvmc_dump.c

@@ -0,0 +1,142 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Zhenyu Wang <zhenyu.z.wang@intel.com>
+ *
+ */
+#include "intel_xvmc.h"
+
+#define DUMPFILE "./intel_xvmc_dump"
+
+static int xvmc_dump = 0;
+static FILE *fp = NULL;
+
+void intel_xvmc_dump_open(void)
+{
+    char *d  = NULL;
+
+    if (xvmc_dump)
+	return;
+
+    if (d = getenv("INTEL_XVMC_DUMP"))
+	xvmc_dump = 1;
+
+    if (xvmc_dump) {
+	fp = fopen(DUMPFILE, "a");
+	if (!fp)
+	    xvmc_dump = 0;
+    }
+}
+
+void intel_xvmc_dump_close(void)
+{
+    if (xvmc_dump) {
+	fclose(fp);
+	xvmc_dump = 0;
+    }
+}
+
+void intel_xvmc_dump_render(XvMCContext *context, unsigned int picture_structure,
+	XvMCSurface *target, XvMCSurface *past, XvMCSurface *future, unsigned int flags,
+	unsigned int num_macroblocks, unsigned int first_macroblock,
+	XvMCMacroBlockArray *macroblock_array, XvMCBlockArray *blocks)
+{
+    int i;
+    XvMCMacroBlock *mb;
+
+    if (!xvmc_dump)
+	return;
+
+    fprintf(fp, "========== new surface rendering ==========\n");
+    fprintf(fp, "Context (id:%d) (surface_type_id:%d) (width:%d) (height:%d)\n",
+	    context->context_id, context->surface_type_id, context->width, context->height);
+
+    if (picture_structure == XVMC_FRAME_PICTURE)
+	fprintf(fp, "picture structure: frame picture\n");
+    else if (picture_structure == XVMC_TOP_FIELD)
+	fprintf(fp, "picture structure: top field picture (%s)\n",
+		(flags == XVMC_SECOND_FIELD)?"second":"first");
+    else if (picture_structure == XVMC_BOTTOM_FIELD)
+	fprintf(fp, "picture structure: bottom field picture (%s)\n",
+		(flags == XVMC_SECOND_FIELD)?"second":"first");
+
+    if (!past && !future)
+	fprintf(fp, "picture type: I\n");
+    else if (past && !future)
+	fprintf(fp, "picture type: P\n");
+    else if (past && future)
+	fprintf(fp, "picture type: B\n");
+    else
+	fprintf(fp, "picture type: Bad!\n");
+
+    fprintf(fp, "target picture: id (%d) width (%d) height (%d)\n", target->surface_id,
+	    target->width, target->height);
+    if (past)
+	fprintf(fp, "past picture: id (%d) width (%d) height (%d)\n", past->surface_id,
+		past->width, past->height);
+    if (future)
+	fprintf(fp, "future picture: id (%d) width (%d) height (%d)\n", future->surface_id,
+		future->width, future->height);
+
+    fprintf(fp, "num macroblocks: %d, first macroblocks %d\n", num_macroblocks, first_macroblock);
+
+    for (i = first_macroblock; i < (first_macroblock + num_macroblocks); i++) {
+	mb = &macroblock_array->macro_blocks[i];
+
+	fprintf(fp, "- MB(%d): ", i);
+	fprintf(fp, "x (%d) y (%d)  ", mb->x, mb->y);
+	fprintf(fp, "macroblock type (");
+	if (mb->macroblock_type & XVMC_MB_TYPE_MOTION_FORWARD)
+	    fprintf(fp, "motion_forward ");
+	if (mb->macroblock_type & XVMC_MB_TYPE_MOTION_BACKWARD)
+	    fprintf(fp, "motion_backward ");
+	if (mb->macroblock_type & XVMC_MB_TYPE_PATTERN)
+	    fprintf(fp, "pattern ");
+	if (mb->macroblock_type & XVMC_MB_TYPE_INTRA)
+	    fprintf(fp, "intra ");
+	fprintf(fp, ")  ");
+	fprintf(fp, "mc type ");
+	if (mb->motion_type & XVMC_PREDICTION_FIELD)
+	    fprintf(fp, "(field)  ");
+	else if (mb->motion_type & XVMC_PREDICTION_FRAME)
+	    fprintf(fp, "(frame)  ");
+	else if (mb->motion_type & XVMC_PREDICTION_DUAL_PRIME)
+	    fprintf(fp, "(dual-prime)  ");
+	else if (mb->motion_type & XVMC_PREDICTION_16x8)
+	    fprintf(fp, "(16x8)  ");
+	else if (mb->motion_type & XVMC_PREDICTION_4MV)
+	    fprintf(fp, "(4MV)  ");
+	else
+	    fprintf(fp, "(none)  ");
+
+	if (mb->dct_type == XVMC_DCT_TYPE_FRAME)
+	    fprintf(fp, "dct type (frame)  ");
+	else if (mb->dct_type == XVMC_DCT_TYPE_FIELD)
+	    fprintf(fp, "dct type (field)  ");
+
+	fprintf(fp, "coded_block_pattern (0x%x)\n", mb->coded_block_pattern);
+
+	/* XXX mv dump */
+    }
+
+}