-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include "extension.h"
+#include "arb_shader_objects.h"
+#include "buffer.h"
+#include "color.h"
+#include "error.h"
+#include "matrix.h"
#include "program.h"
#include "programdata.h"
#include "uniform.h"
+#include "uniformblock.h"
+#include "vector.h"
using namespace std;
namespace Msp {
namespace GL {
-ProgramData::ProgramData()
+ProgramData::ProgramData():
+ last_block(0),
+ buffer(0),
+ changes(NO_CHANGES)
+{
+ static Require _req(ARB_shader_objects);
+}
+
+// Blocks are intentionally left uncopied
+ProgramData::ProgramData(const ProgramData &other):
+ uniforms(other.uniforms),
+ last_block(0),
+ buffer(0),
+ changes(NO_CHANGES)
{
- require_extension("GL_ARB_shader_objects");
+ for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
+ i->second = i->second->clone();
}
ProgramData::~ProgramData()
{
- for(map<int, Uniform *>::iterator i=data.begin(); i!=data.end(); ++i)
+ for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
delete i->second;
+ for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
+ delete i->second.block;
+ delete buffer;
}
-void ProgramData::uniform(int index, Uniform *uni)
+void ProgramData::uniform(const string &name, Uniform *uni)
{
- if(index<0)
- {
- delete uni;
- return;
- }
-
- map<int, Uniform *>::iterator i=data.find(index);
- if(i!=data.end())
+ UniformMap::iterator i = uniforms.find(name);
+ if(i!=uniforms.end())
{
+ /* UniformBlock does not copy the uniforms, so existing blocks will be
+ left with stale pointers. This is not a problem as long as no one stores
+ pointers to the blocks and expects them to stay valid. */
delete i->second;
- i->second=uni;
+ i->second = uni;
+ changes = VALUES_CHANGED;
}
else
- data[index]=uni;
+ {
+ uniforms[name] = uni;
+ changes = KEYS_CHANGED;
+ }
+}
+
+void ProgramData::uniform(const string &name, int v)
+{
+ uniform(name, new Uniform1i(v));
+}
+
+void ProgramData::uniform(const string &name, float v)
+{
+ uniform(name, new Uniform1f(v));
+}
+
+void ProgramData::uniform(const string &name, float v0, float v1)
+{
+ float va[2] = { v0, v1 };
+ uniform2(name, va);
+}
+
+void ProgramData::uniform2(const string &name, const float *v)
+{
+ uniform(name, new Uniform2f(v));
+}
+
+void ProgramData::uniform(const string &name, float v0, float v1, float v2)
+{
+ float va[3] = { v0, v1, v2 };
+ uniform3(name, va);
+}
+
+void ProgramData::uniform(const string &name, const Vector3 &v)
+{
+ uniform(name, v.x, v.y, v.z);
+}
+
+void ProgramData::uniform3(const string &name, const float *v)
+{
+ uniform(name, new Uniform3f(v));
+}
+
+void ProgramData::uniform(const string &name, float v0, float v1, float v2, float v3)
+{
+ float va[4] = { v0, v1, v2, v3 };
+ uniform4(name, va);
+}
+
+void ProgramData::uniform(const string &name, const Vector4 &v)
+{
+ uniform(name, v.x, v.y, v.z, v.w);
+}
+
+void ProgramData::uniform(const string &name, const Color &c)
+{
+ uniform(name, c.r, c.g, c.b, c.a);
+}
+
+void ProgramData::uniform4(const string &name, const float *v)
+{
+ uniform(name, new Uniform4f(v));
}
-void ProgramData::uniform(int index, int v)
+void ProgramData::uniform_matrix2(const string &name, const float *v)
{
- uniform(index, new Uniform1i(v));
+ uniform(name, new UniformMatrix2x2f(v));
}
-void ProgramData::uniform(int index, float v)
+void ProgramData::uniform_matrix3(const string &name, const float *v)
{
- uniform(index, new Uniform1f(v));
+ uniform(name, new UniformMatrix3x3f(v));
}
-void ProgramData::uniform(int index, float v0, float v1)
+void ProgramData::uniform_matrix4(const string &name, const float *v)
{
- uniform(index, new Uniform2f(v0, v1));
+ uniform(name, new UniformMatrix4x4f(v));
}
-void ProgramData::uniform2(int index, const float *v)
+void ProgramData::uniform_matrix4(const string &name, const Matrix &m)
{
- uniform(index, v[0], v[1]);
+ float v[16];
+ copy(m.data(), m.data()+16, v);
+ uniform_matrix4(name, v);
}
-void ProgramData::uniform(int index, float v0, float v1, float v2)
+void ProgramData::uniform1_array(const string &name, unsigned n, const float *v)
{
- uniform(index, new Uniform3f(v0, v1, v2));
+ uniform(name, new UniformArray<Uniform1f>(n, v));
}
-void ProgramData::uniform3(int index, const float *v)
+void ProgramData::uniform2_array(const string &name, unsigned n, const float *v)
{
- uniform(index, v[0], v[1], v[2]);
+ uniform(name, new UniformArray<Uniform2f>(n, v));
}
-void ProgramData::uniform(int index, float v0, float v1, float v2, float v3)
+void ProgramData::uniform3_array(const string &name, unsigned n, const float *v)
{
- uniform(index, new Uniform4f(v0, v1, v2, v3));
+ uniform(name, new UniformArray<Uniform3f>(n, v));
}
-void ProgramData::uniform4(int index, const float *v)
+void ProgramData::uniform4_array(const string &name, unsigned n, const float *v)
{
- uniform(index, v[0], v[1], v[2], v[3]);
+ uniform(name, new UniformArray<Uniform4f>(n, v));
+}
+
+void ProgramData::uniform_matrix4_array(const string &name, unsigned n, const float *v)
+{
+ uniform(name, new UniformArray<UniformMatrix4x4f>(n, v));
+}
+
+void ProgramData::find_uniforms_for_block(Block &block, const Program::UniformBlockInfo &info) const
+{
+ block.uniforms.clear();
+ for(vector<const Program::UniformInfo *>::const_iterator i=info.uniforms.begin(); i!=info.uniforms.end(); ++i)
+ {
+ // XXX individual array elements
+ UniformMap::const_iterator j = uniforms.find((*i)->name);
+ if(j!=uniforms.end())
+ block.uniforms[(*i)->location] = &j->second;
+ }
+}
+
+UniformBlock *ProgramData::create_block(const Program::UniformBlockInfo &info) const
+{
+ UniformBlock *block = new UniformBlock(info.data_size);
+ if(!buffer)
+ {
+ buffer = new Buffer(UNIFORM_BUFFER);
+ buffer->set_usage(STREAM_DRAW);
+ }
+ block->use_buffer(buffer, last_block);
+ last_block = block;
+ return block;
+}
+
+const UniformBlock *ProgramData::get_block(const Program &prog, const Program::UniformBlockInfo *info) const
+{
+ if(changes)
+ {
+ for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
+ if(i->second.changes<changes)
+ i->second.changes = changes;
+ changes = NO_CHANGES;
+ }
+
+ unsigned layout_hash = (info ? info->layout_hash : prog.get_uniform_layout_hash());
+
+ map<unsigned, Block>::iterator i = blocks.find(layout_hash);
+ if(i==blocks.end())
+ {
+ i = blocks.insert(BlockMap::value_type(layout_hash, Block())).first;
+ if(info)
+ {
+ find_uniforms_for_block(i->second, *info);
+
+ if(!i->second.uniforms.empty())
+ {
+ i->second.block = create_block(*info);
+ i->second.changes = VALUES_CHANGED;
+ }
+ }
+ else
+ {
+ i->second.block = new UniformBlock;
+ i->second.changes = VALUES_CHANGED;
+ }
+ }
+ else if(info && i->second.changes==KEYS_CHANGED)
+ {
+ find_uniforms_for_block(i->second, *info);
+ if(!i->second.uniforms.empty())
+ {
+ if(!i->second.block)
+ i->second.block = create_block(*info);
+ i->second.changes = VALUES_CHANGED;
+ }
+ else
+ i->second.changes = NO_CHANGES;
+ }
+
+ if(!i->second.block)
+ return 0;
+
+ UniformBlock &block = *i->second.block;
+ if(i->second.changes)
+ {
+ if(info)
+ {
+ vector<const Program::UniformInfo *>::const_iterator j = info->uniforms.begin();
+ map<unsigned, const Uniform *const *>::const_iterator k = i->second.uniforms.begin();
+ while(j!=info->uniforms.end() && k!=i->second.uniforms.end())
+ {
+ if(k->first==(*j)->location)
+ {
+ block.attach(**j, **k->second);
+ ++k;
+ }
+ ++j;
+ }
+ }
+ else
+ {
+ for(UniformMap::const_iterator j=uniforms.begin(); j!=uniforms.end(); ++j)
+ {
+ int loc = prog.get_uniform_location(j->first);
+ if(loc>=0)
+ block.attach(loc, *j->second);
+ }
+ }
+ i->second.changes = NO_CHANGES;
+ }
+
+ return █
+}
+
+const UniformBlock *ProgramData::get_block(const Program &prog, const string &name) const
+{
+ if(name.empty())
+ return get_block(prog, 0);
+ else
+ return get_block(prog, &prog.get_uniform_block_info(name));
}
void ProgramData::apply() const
{
- for(map<int, Uniform *>::const_iterator i=data.begin(); i!=data.end(); ++i)
- i->second->apply(i->first);
+ const Program *prog = Program::current();
+ if(!prog)
+ throw invalid_operation("ProgramData::apply");
+
+ const Program::UniformBlockMap &prog_blocks = prog->get_uniform_blocks();
+ if(!prog_blocks.empty())
+ {
+ typedef pair<const UniformBlock *, unsigned> ApplyBlock;
+ list<ApplyBlock> apply_blocks;
+ for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i)
+ if(const UniformBlock *block = get_block(*prog, &i->second))
+ apply_blocks.push_back(make_pair(block, i->second.bind_point));
+
+ if(buffer)
+ buffer->bind();
+
+ for(list<ApplyBlock>::const_iterator i=apply_blocks.begin(); i!=apply_blocks.end(); ++i)
+ i->first->apply(i->second);
+ }
+
+ if(const UniformBlock *block = get_block(*prog, 0))
+ block->apply(-1);
}
-ProgramData::Loader::Loader(ProgramData &pd, Program &pr):
- pdata(pd),
- prog(pr)
+ProgramData::Block::Block():
+ changes(NO_CHANGES),
+ block(0)
+{ }
+
+
+ProgramData::Loader::Loader(ProgramData &pd):
+ DataFile::ObjectLoader<ProgramData>(pd)
{
add("uniform1i", &Loader::uniform1i);
add("uniform1f", &Loader::uniform1f);
void ProgramData::Loader::uniform1i(const string &n, int v)
{
- pdata.uniform(prog.get_uniform_location(n), v);
+ obj.uniform(n, v);
}
void ProgramData::Loader::uniform1f(const string &n, float v)
{
- pdata.uniform(prog.get_uniform_location(n), v);
+ obj.uniform(n, v);
}
void ProgramData::Loader::uniform2f(const string &n, float v0, float v1)
{
- pdata.uniform(prog.get_uniform_location(n), v0, v1);
+ obj.uniform(n, v0, v1);
}
void ProgramData::Loader::uniform3f(const string &n, float v0, float v1, float v2)
{
- pdata.uniform(prog.get_uniform_location(n), v0, v1, v2);
+ obj.uniform(n, v0, v1, v2);
}
void ProgramData::Loader::uniform4f(const string &n, float v0, float v1, float v2, float v3)
{
- pdata.uniform(prog.get_uniform_location(n), v0, v1, v2, v3);
+ obj.uniform(n, v0, v1, v2, v3);
}
} // namespace GL
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