vbo: fix void * arithmetic compilation error on MSVC

Also, call vbo_sizeof_ib_type() once and fix argument cast in
MapBufferRange() call.
This commit is contained in:
Brian Paul
2012-01-11 20:03:32 -07:00
parent 4c0d88c145
commit bbc74ffad6

View File

@@ -108,13 +108,14 @@ vbo_get_minmax_index(struct gl_context *ctx,
{
const GLboolean restart = ctx->Array.PrimitiveRestart;
const GLuint restartIndex = ctx->Array.RestartIndex;
const void *indices;
const int index_size = vbo_sizeof_ib_type(ib->type);
const char *indices;
GLuint i;
indices = (void *)ib->ptr + prim->start * vbo_sizeof_ib_type(ib->type);
indices = (char *) ib->ptr + prim->start * index_size;
if (_mesa_is_bufferobj(ib->obj)) {
GLsizeiptr size = MIN2(count * vbo_sizeof_ib_type(ib->type), ib->obj->Size);
indices = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) indices, size,
GLsizeiptr size = MIN2(count * ib_size, index->obj->Size);
indices = ctx->Driver.MapBufferRange(ctx, (GLintptr) indices, size,
GL_MAP_READ_BIT, ib->obj);
}