X-Git-Url: http://git.tdb.fi/?p=gldbg.git;a=blobdiff_plain;f=flavors%2Fgl%2Fsource%2Fbufferstate.cpp;h=c8b9f1348e1858196be5115bb3b9e48704614680;hp=356e82b5ac3de9469b748338d852956f010bb808;hb=76324b7394d25ba654e938eb33ee985532df7cc6;hpb=e7d4e2a75e75ff1a152912f0c19fb72ed63e81bc

diff --git a/flavors/gl/source/bufferstate.cpp b/flavors/gl/source/bufferstate.cpp
index 356e82b..c8b9f13 100644
--- a/flavors/gl/source/bufferstate.cpp
+++ b/flavors/gl/source/bufferstate.cpp
@@ -6,6 +6,7 @@ Distributed under the GPL
 */
 
 #include <msp/strings/formatter.h>
+#include "arraysize.h"
 #include "arraystate.h"
 #include "bufferstate.h"
 #include "enums.h"
@@ -51,6 +52,27 @@ void BufferContent::update(const ArrayState &array)
 	arrays.insert(place, array);
 }
 
+void BufferContent::update_elements(GLenum type)
+{
+	if(arrays.empty())
+	{
+		Array array;
+		array.kind = GL_ELEMENT_ARRAY_BUFFER;
+		array.type = type;
+		arrays.push_back(array);
+		stride = typesize(type);
+	}
+	else if(arrays.size()>1 || arrays.front().kind!=GL_ELEMENT_ARRAY_BUFFER)
+		consistent = false;
+	else
+	{
+		if(arrays.front().type!=type)
+			consistent = false;
+		arrays.front().type = type;
+		stride = typesize(type);
+	}
+}
+
 string BufferContent::describe() const
 {
 	if(arrays.empty())
@@ -68,6 +90,8 @@ string BufferContent::describe() const
 			kind = 'C';
 		else if(i->kind==GL_TEXTURE_COORD_ARRAY && i->index==0)
 			kind = 'T';
+		else if(i->kind==GL_ELEMENT_ARRAY_BUFFER)
+			kind = 'E';
 
 		char type[3] = { '?', 0, 0 };
 		if(i->type==GL_FLOAT)
@@ -96,6 +120,14 @@ string BufferContent::describe() const
 }
 
 
+BufferContent::Array::Array():
+	kind(GL_NONE),
+	index(0),
+	size(1),
+	type(GL_NONE),
+	offset(0)
+{ }
+
 BufferContent::Array::Array(const ArrayState &a):
 	kind(a.kind),
 	index(a.index),
@@ -106,6 +138,8 @@ BufferContent::Array::Array(const ArrayState &a):
 
 
 BufferState::BufferState():
+	id(0),
+	target(0),
 	usage(GL_STATIC_DRAW),
 	size(0),
 	data(0)
@@ -134,8 +168,11 @@ void BufferState::set_sub_data(unsigned off, unsigned sz, const void *ptr)
 string BufferState::describe() const
 {
 	if(content.stride)
-		return format("%s, %d vertices (%d bytes), %s",
-			content.describe(), size/content.stride, size, describe_enum(usage, ""));
+	{
+		const char *what = (content.arrays.front().kind==GL_ELEMENT_ARRAY_BUFFER ? "indices" : "vertices");
+		return format("%s, %d %s (%d bytes), %s",
+			content.describe(), size/content.stride, what, size, describe_enum(usage, ""));
+	}
 	else
 		return format("%d bytes, %s", size, describe_enum(usage, ""));
 }