X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fvertexsetup.cpp;h=8465ab060d54fe77041106a2c3c67a342102116e;hp=53f825697b34b16444e783cfb32262361d10fc4f;hb=HEAD;hpb=67f22642d636861f90a016077c9387b7b8397414 diff --git a/source/vertexsetup.cpp b/source/vertexsetup.cpp deleted file mode 100644 index 53f82569..00000000 --- a/source/vertexsetup.cpp +++ /dev/null @@ -1,149 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include "buffer.h" -#include "error.h" -#include "gl.h" -#include "vertexarray.h" -#include "vertexsetup.h" - -namespace Msp { -namespace GL { - -VertexSetup::VertexSetup(): - dirty(0), - vertex_array(0), - inst_array(0), - index_buffer(0) -{ - static Require req(ARB_vertex_array_object); - if(ARB_direct_state_access) - glCreateVertexArrays(1, &id); - else - glGenVertexArrays(1, &id); -} - -VertexSetup::~VertexSetup() -{ - if(current()==this) - unbind(); - glDeleteVertexArrays(1, &id); -} - -void VertexSetup::set_vertex_array(const VertexArray &a) -{ - vertex_array = &a; - update(VERTEX_ARRAY); -} - -void VertexSetup::set_instance_array(const VertexArray *a) -{ - if(a) - static Require req(ARB_instanced_arrays); - - inst_array = a; - update(INSTANCE_ARRAY); -} - -void VertexSetup::set_index_buffer(const Buffer &ibuf) -{ - index_buffer = &ibuf; - update(INDEX_BUFFER); -} - -void VertexSetup::update(unsigned mask) const -{ - static bool direct = ARB_direct_state_access && ARB_vertex_attrib_binding; - if(!direct && current()!=this) - { - dirty |= mask; - return; - } - - if(mask&VERTEX_ARRAY) - update_vertex_array(*vertex_array, 0, 0, direct); - - if(mask&INSTANCE_ARRAY) - { - if(inst_array) - update_vertex_array(*inst_array, 1, 1, direct); - } - - if(mask&INDEX_BUFFER) - { - if(direct) - glVertexArrayElementBuffer(id, index_buffer->get_id()); - else - glBindBuffer(ELEMENT_ARRAY_BUFFER, index_buffer->get_id()); - } -} - -void VertexSetup::update_vertex_array(const VertexArray &array, unsigned binding, unsigned divisor, bool direct) const -{ - Conditional bind_vbuf(!direct, array.get_buffer(), ARRAY_BUFFER); - - const VertexFormat &fmt = array.get_format(); - unsigned stride = get_stride(fmt)*sizeof(float); - if(direct) - { - glVertexArrayVertexBuffer(id, binding, array.get_buffer()->get_id(), 0, stride); - glVertexArrayBindingDivisor(id, binding, divisor); - } - - unsigned offset = 0; - for(const unsigned char *c=fmt.begin(); c!=fmt.end(); ++c) - { - unsigned t = get_component_type(*c); - if(t>=get_component_type(ATTRIB1)) - t -= get_component_type(ATTRIB1); - unsigned sz = get_component_size(*c); - if(direct) - { - if(*c==COLOR4_UBYTE) - glVertexArrayAttribFormat(id, t, 4, GL_UNSIGNED_BYTE, true, offset); - else - glVertexArrayAttribFormat(id, t, sz, GL_FLOAT, false, offset); - glVertexArrayAttribBinding(id, t, binding); - glEnableVertexArrayAttrib(id, t); - } - else - { - if(*c==COLOR4_UBYTE) - glVertexAttribPointer(t, 4, GL_UNSIGNED_BYTE, true, stride, reinterpret_cast(offset)); - else - glVertexAttribPointer(t, sz, GL_FLOAT, false, stride, reinterpret_cast(offset)); - glVertexAttribDivisor(t, divisor); - glEnableVertexAttribArray(t); - } - offset += sz*sizeof(float); - } -} - -void VertexSetup::bind() const -{ - if(!vertex_array || !index_buffer) - throw invalid_operation("VertexSetup::bind"); - - if(set_current(this)) - { - glBindVertexArray(id); - if(dirty) - { - update(dirty); - dirty = 0; - } - } -} - -void VertexSetup::unbind() -{ - if(set_current(0)) - glBindVertexArray(0); -} - -} // namespace GL -} // namespace Msp