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Add support for GL_APPLE_vertex_array_object. Several test programs

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and demos are also added.

Adding basic support to drivers should be as easy as just enabling the
extension, though thorough test would also be required.
This commit is contained in:
Ian Romanick
2006-06-12 16:26:29 +00:00
parent 6254d59043
commit ee34e6ef71
42 changed files with 2267 additions and 771 deletions
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80
src/mesa/main/bufferobj.c
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@@ -169,6 +169,22 @@ _mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj )
}
void
_mesa_unbind_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj )
{
if (bufObj != ctx->Array.NullBufferObj) {
bufObj->RefCount--;
if (bufObj->RefCount <= 0) {
ASSERT(ctx->Array.ArrayBufferObj != bufObj);
ASSERT(ctx->Array.ElementArrayBufferObj != bufObj);
ASSERT(ctx->Array.ArrayObj->Vertex.BufferObj != bufObj);
ASSERT(ctx->Driver.DeleteBuffer);
ctx->Driver.DeleteBuffer(ctx, bufObj);
}
}
}
/**
* Initialize a buffer object to default values.
*/
@@ -389,21 +405,6 @@ _mesa_init_buffer_objects( GLcontext *ctx )
ctx->Array.ArrayBufferObj = ctx->Array.NullBufferObj;
ctx->Array.ElementArrayBufferObj = ctx->Array.NullBufferObj;
/* Vertex array buffers */
ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj;
for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
ctx->Array.TexCoord[i].BufferObj = ctx->Array.NullBufferObj;
}
ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
for (i = 0; i < VERT_ATTRIB_MAX; i++) {
ctx->Array.VertexAttrib[i].BufferObj = ctx->Array.NullBufferObj;
}
}
@@ -585,52 +586,52 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
ASSERT(bufObj->Name == ids[i]);
if (ctx->Array.Vertex.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->Vertex.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->Vertex.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.Normal.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->Normal.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->Normal.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.Color.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->Color.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->Color.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.SecondaryColor.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->SecondaryColor.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.FogCoord.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->FogCoord.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->FogCoord.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.Index.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->Index.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->Index.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
if (ctx->Array.EdgeFlag.BufferObj == bufObj) {
if (ctx->Array.ArrayObj->EdgeFlag.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
for (j = 0; j < MAX_TEXTURE_UNITS; j++) {
if (ctx->Array.TexCoord[j].BufferObj == bufObj) {
if (ctx->Array.ArrayObj->TexCoord[j].BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.TexCoord[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->TexCoord[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
}
for (j = 0; j < VERT_ATTRIB_MAX; j++) {
if (ctx->Array.VertexAttrib[j].BufferObj == bufObj) {
if (ctx->Array.ArrayObj->VertexAttrib[j].BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.ArrayObj->VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
}
@@ -649,16 +650,9 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
_mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
}
/* The ID is immediately freed for re-use */
_mesa_remove_buffer_object(ctx, bufObj);
bufObj->RefCount--;
if (bufObj->RefCount <= 0) {
ASSERT(ctx->Array.ArrayBufferObj != bufObj);
ASSERT(ctx->Array.ElementArrayBufferObj != bufObj);
ASSERT(ctx->Array.Vertex.BufferObj != bufObj);
ASSERT(ctx->Driver.DeleteBuffer);
ctx->Driver.DeleteBuffer(ctx, bufObj);
}
/* The ID is immediately freed for re-use */
_mesa_remove_buffer_object(ctx, bufObj);
_mesa_unbind_buffer_object(ctx, bufObj);
}
}