X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexarray.cpp;h=72fd8a48ecddc802ec6a1bd0aa2cb985e3c9328a;hb=61ff840cd211f10d45dca8c4dad2cca5f68aaa42;hp=3fca527d75aee2dba990a176a2415f514a537f92;hpb=99b3477d16295c9b90daa0a397bfc375dd3aac4d;p=libs%2Fgl.git diff --git a/source/vertexarray.cpp b/source/vertexarray.cpp index 3fca527d..72fd8a48 100644 --- a/source/vertexarray.cpp +++ b/source/vertexarray.cpp @@ -3,6 +3,7 @@ #include "buffer.h" #include "error.h" #include "gl.h" +#include "mesh.h" #include "vertexarray.h" using namespace std; @@ -10,8 +11,7 @@ using namespace std; namespace Msp { namespace GL { -VertexArray::VertexArray(const VertexFormat &f): - dirty(false) +VertexArray::VertexArray(const VertexFormat &f) { reset(f); } @@ -35,7 +35,7 @@ void VertexArray::reset(const VertexFormat &f) arrays.clear(); - unsigned offset = 0; + unsigned offs = 0; for(const unsigned char *c=format.begin(); c!=format.end(); ++c) { unsigned slot = get_array_slot(*c); @@ -44,9 +44,9 @@ void VertexArray::reset(const VertexFormat &f) Array &arr = arrays[slot]; arr.component = *c; - arr.offset = offset; + arr.offset = offs; - offset += get_component_size(*c); + offs += get_component_size(*c); } } @@ -75,12 +75,6 @@ unsigned VertexArray::get_array_slot(unsigned char comp) } } -void VertexArray::use_vertex_buffer(Buffer *b) -{ - vbuf = b; - dirty = true; -} - void VertexArray::clear() { data.clear(); @@ -94,25 +88,33 @@ void VertexArray::reserve(unsigned n) float *VertexArray::append() { data.insert(data.end(), stride, 0.0f); - set_dirty(); + dirty = true; return &*(data.end()-stride); } float *VertexArray::modify(unsigned i) { - set_dirty(); + dirty = true; return &data[0]+i*stride; } -void VertexArray::set_dirty() +unsigned VertexArray::get_data_size() const { - dirty = true; + return data.size()*sizeof(float); +} + +void VertexArray::upload_data() const +{ + get_buffer()->sub_data(get_offset(), get_data_size(), &data[0]); } void VertexArray::apply() const { if(format.empty()) throw invalid_operation("VertexArray::apply"); + // Don't mess up the vertex array object of a mesh + if(Mesh::current()) + throw invalid_operation("VertexArray::apply"); const VertexArray *old = current(); /* If the array has been modified, apply it even if it was the last one to @@ -122,22 +124,14 @@ void VertexArray::apply() const if(!set_current(this) && !dirty) return; - if(vbuf) - { - vbuf->bind_to(ARRAY_BUFFER); - if(dirty) - { - vbuf->data(data.size()*sizeof(float), &data[0]); - dirty = false; - } - } + Buffer *vbuf = get_buffer(); + Bind _bind_vbuf(vbuf, ARRAY_BUFFER); + if(vbuf && dirty) + update_buffer(); - const float *base = (vbuf ? 0 : &data[0]); + const float *base = (vbuf ? reinterpret_cast(get_offset()) : &data[0]); unsigned stride_bytes = stride*sizeof(float); apply_arrays(&arrays, (old ? &old->arrays : 0), base, stride_bytes); - - if(vbuf) - Buffer::unbind_from(ARRAY_BUFFER); } void VertexArray::apply_arrays(const vector *arrays, const vector *old_arrays, const float *base, unsigned stride_bytes)