-#include "arb_multitexture.h"
-#include "arb_vertex_shader.h"
+#include <msp/gl/extensions/arb_multitexture.h>
+#include <msp/gl/extensions/arb_vertex_shader.h>
#include "buffer.h"
#include "error.h"
#include "gl.h"
+#include "mesh.h"
#include "vertexarray.h"
using namespace std;
namespace Msp {
namespace GL {
-VertexArray::VertexArray(const VertexFormat &f):
- defer_vbuf(true),
- dirty(false)
+VertexArray::VertexArray(const VertexFormat &f)
{
reset(f);
}
-VertexArray::~VertexArray()
-{ }
-
void VertexArray::reset(const VertexFormat &f)
{
clear();
format = f;
stride = get_stride(format);
-
- arrays.clear();
-
- for(const unsigned char *c=format.begin(); c!=format.end(); ++c)
- {
- unsigned slot = get_array_slot(*c);
- if(slot>=arrays.size())
- arrays.resize(slot+1);
- arrays[slot] = *c;
- }
-}
-
-unsigned VertexArray::get_array_slot(unsigned char comp)
-{
- unsigned t = get_component_type(comp);
- if(t==get_component_type(VERTEX3))
- return 0;
- else if(t==get_component_type(NORMAL3))
- return 1;
- else if(t==get_component_type(COLOR4_FLOAT))
- return 2;
- else if(comp>=TEXCOORD1 && comp<=TEXCOORD4+12)
- {
- t -= get_component_type(TEXCOORD1);
- if(t>0)
- static Require _req(ARB_multitexture);
- return 3+t;
- }
- else
- {
- static Require _req(ARB_vertex_shader);
- if(comp>=ATTRIB1)
- t -= get_component_type(ATTRIB1);
- return 7+t;
- }
-}
-
-void VertexArray::use_vertex_buffer()
-{
- if(vbuf)
- return;
-
- vbuf = new Buffer(ARRAY_BUFFER);
- defer_vbuf = false;
- dirty = true;
-}
-
-void VertexArray::use_vertex_buffer(Buffer *b)
-{
- vbuf = b;
- vbuf.keep();
- defer_vbuf = false;
- dirty = true;
}
void VertexArray::clear()
float *VertexArray::append()
{
data.insert(data.end(), stride, 0.0f);
- set_dirty();
+ update_offset();
+ 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;
- if(defer_vbuf)
- {
- vbuf = new Buffer(ARRAY_BUFFER);
- defer_vbuf = false;
- }
-}
-
-void VertexArray::apply() const
-{
- if(format.empty())
- throw invalid_operation("VertexArray::apply");
-
- const VertexArray *old = current();
- if(!set_current(this))
- return;
-
- if(vbuf)
- {
- vbuf->bind_to(ARRAY_BUFFER);
- if(dirty)
- {
- vbuf->data(data.size()*sizeof(float), &data[0]);
- dirty = false;
- }
- }
-
- const float *base = (vbuf ? 0 : &data[0]);
- unsigned offset = 0;
- unsigned stride_bytes = stride*sizeof(float);
- unsigned active_tex = 0;
- unsigned n_arrays = arrays.size();
- if(old)
- n_arrays = max(n_arrays, old->arrays.size());
- for(unsigned i=0; i<n_arrays; ++i)
- {
- unsigned char arr = (i<arrays.size() ? arrays[i] : 0);
- unsigned char old_arr = (old && i<old->arrays.size() ? old->arrays[i] : 0);
- if(!arr && !old_arr)
- continue;
-
- unsigned char comp = (arr ? arr : old_arr);
- unsigned sz = get_component_size(comp);
- unsigned t = get_component_type(comp);
- GLenum array_type = 0;
- if(t==get_component_type(VERTEX3))
- {
- if(arr)
- glVertexPointer(sz, GL_FLOAT, stride_bytes, base+offset);
- array_type = GL_VERTEX_ARRAY;
- }
- else if(t==get_component_type(NORMAL3))
- {
- if(arr)
- glNormalPointer(GL_FLOAT, stride_bytes, base+offset);
- array_type = GL_NORMAL_ARRAY;
- }
- else if(t==get_component_type(COLOR4_FLOAT))
- {
- if(arr)
- {
- if(sz==1)
- glColorPointer(4, GL_UNSIGNED_BYTE, stride_bytes, base+offset);
- else
- glColorPointer(sz, GL_FLOAT, stride_bytes, base+offset);
- }
- array_type = GL_COLOR_ARRAY;
- }
- else if(comp>=TEXCOORD1 && comp<=TEXCOORD4+12)
- {
- t -= get_component_type(TEXCOORD1);
- if(t>0 || active_tex)
- {
- glClientActiveTexture(GL_TEXTURE0+t);
- active_tex = t;
- }
- if(arr)
- glTexCoordPointer(sz, GL_FLOAT, stride_bytes, base+offset);
- array_type = GL_TEXTURE_COORD_ARRAY;
- }
- else
- {
- if(t>=get_component_type(ATTRIB1))
- t -= get_component_type(ATTRIB1);
- if(arr)
- glVertexAttribPointer(t, sz, GL_FLOAT, false, stride_bytes, base+offset);
- }
-
- // Only change enable state if needed
- if(arr && !old_arr)
- {
- if(array_type)
- glEnableClientState(array_type);
- else
- glEnableVertexAttribArray(t);
- }
- else if(old_arr && !arr)
- {
- if(array_type)
- glDisableClientState(array_type);
- else
- glDisableVertexAttribArray(t);
- }
-
- if(arr)
- offset += sz;
- }
-
- if(active_tex)
- glClientActiveTexture(GL_TEXTURE0);
-
- if(vbuf)
- Buffer::unbind_from(ARRAY_BUFFER);
+ return data.size()*sizeof(float);
}
VertexArray::Loader::Loader(VertexArray &a):
VertexArrayBuilder(a)
{
+ add("vertex", static_cast<void (Loader::*)(float, float)>(&Loader::vertex));
+ add("vertex", static_cast<void (Loader::*)(float, float, float)>(&Loader::vertex));
+ add("vertex", static_cast<void (Loader::*)(float, float, float, float)>(&Loader::vertex));
+ add("normal", static_cast<void (Loader::*)(float, float, float)>(&Loader::normal));
+ add("texcoord", static_cast<void (Loader::*)(float)>(&Loader::texcoord));
+ add("texcoord", static_cast<void (Loader::*)(float, float)>(&Loader::texcoord));
+ add("texcoord", static_cast<void (Loader::*)(float, float, float)>(&Loader::texcoord));
+ add("texcoord", static_cast<void (Loader::*)(float, float, float, float)>(&Loader::texcoord));
+ add("multitexcoord", static_cast<void (Loader::*)(unsigned, float)>(&Loader::multitexcoord));
+ add("multitexcoord", static_cast<void (Loader::*)(unsigned, float, float)>(&Loader::multitexcoord));
+ add("multitexcoord", static_cast<void (Loader::*)(unsigned, float, float, float)>(&Loader::multitexcoord));
+ add("multitexcoord", static_cast<void (Loader::*)(unsigned, float, float, float, float)>(&Loader::multitexcoord));
+ add("color", static_cast<void (Loader::*)(float, float, float)>(&Loader::color));
+ add("color", static_cast<void (Loader::*)(float, float, float, float)>(&Loader::color));
+ add("attrib", static_cast<void (Loader::*)(unsigned, float)>(&Loader::attrib));
+ add("attrib", static_cast<void (Loader::*)(unsigned, float, float)>(&Loader::attrib));
+ add("attrib", static_cast<void (Loader::*)(unsigned, float, float, float)>(&Loader::attrib));
+ add("attrib", static_cast<void (Loader::*)(unsigned, float, float, float, float)>(&Loader::attrib));
+ add("tangent", static_cast<void (Loader::*)(float, float, float)>(&Loader::tangent));
+ add("binormal", static_cast<void (Loader::*)(float, float, float)>(&Loader::binormal));
+
add("vertex2", static_cast<void (Loader::*)(float, float)>(&Loader::vertex));
add("vertex3", static_cast<void (Loader::*)(float, float, float)>(&Loader::vertex));
add("vertex4", static_cast<void (Loader::*)(float, float, float, float)>(&Loader::vertex));
projects / libs / gl.git / blobdiff