X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramdata.cpp;h=cd12c2ca47fbff99cdbfe2578d30ebbd0468d997;hp=01927063377b693b72c9ede4cabdb050ecd91067;hb=56beca9d8b4f7b4edac81411d31e24df88e84ac3;hpb=08e19bc2b4eba572bc7699378cf55cd8772ac67e

diff --git a/source/programdata.cpp b/source/programdata.cpp
index 01927063..cd12c2ca 100644
--- a/source/programdata.cpp
+++ b/source/programdata.cpp
@@ -1,3 +1,4 @@
+#include <msp/core/maputils.h>
 #include <msp/gl/extensions/arb_direct_state_access.h>
 #include "buffer.h"
 #include "color.h"
@@ -14,7 +15,8 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-ProgramData::ProgramData():
+ProgramData::ProgramData(const Program *p):
+	tied_program(p),
 	last_block(0),
 	buffer(0),
 	dirty(0)
@@ -22,6 +24,7 @@ ProgramData::ProgramData():
 
 // Blocks are intentionally left uncopied
 ProgramData::ProgramData(const ProgramData &other):
+	tied_program(0),
 	uniform_slots(other.uniform_slots),
 	uniforms(other.uniforms),
 	last_block(0),
@@ -38,6 +41,8 @@ ProgramData &ProgramData::operator=(const ProgramData &other)
 		delete *i;
 	uniforms.clear();
 
+	tied_program = other.tied_program;
+
 	uniform_slots = other.uniform_slots;
 	for(vector<Uniform *>::const_iterator i=other.uniforms.begin(); i!=other.uniforms.end(); ++i)
 		uniforms.push_back((*i)->clone());
@@ -64,8 +69,18 @@ ProgramData::~ProgramData()
 
 void ProgramData::uniform(const string &name, Uniform *uni)
 {
-	if(name[name.size()-1]==']')
-		throw invalid_argument("ProgramData::uniform");
+	try
+	{
+		if(tied_program)
+			tied_program->get_uniform_info(name);
+		else if(name[name.size()-1]==']')
+			throw invalid_argument("ProgramData::uniform");
+	}
+	catch(...)
+	{
+		delete uni;
+		throw;
+	}
 
 	SlotMap::iterator i = uniform_slots.find(name);
 	if(i!=uniform_slots.end())
@@ -90,6 +105,11 @@ void ProgramData::uniform(const string &name, Uniform *uni)
 	}
 }
 
+void ProgramData::uniform(const string &name, const Uniform &u)
+{
+	uniform(name, u.clone());
+}
+
 void ProgramData::uniform(const string &name, int v)
 {
 	uniform(name, new Uniform1i(v));
@@ -251,17 +271,61 @@ void ProgramData::uniform4_array(const string &name, unsigned n, const float *v)
 	uniform(name, new UniformArray<Uniform4f>(n, v));
 }
 
+void ProgramData::uniform_matrix2_array(const string &name, unsigned n, const float *v)
+{
+	uniform(name, new UniformArray<UniformMatrix2x2f>(n, v));
+}
+
+void ProgramData::uniform_matrix3_array(const string &name, unsigned n, const float *v)
+{
+	uniform(name, new UniformArray<UniformMatrix3x3f>(n, v));
+}
+
 void ProgramData::uniform_matrix4_array(const string &name, unsigned n, const float *v)
 {
 	uniform(name, new UniformArray<UniformMatrix4x4f>(n, v));
 }
 
+void ProgramData::remove_uniform(const string &name)
+{
+	SlotMap::iterator i = uniform_slots.find(name);
+	if(i!=uniform_slots.end())
+	{
+		vector<Uniform *>::iterator j = uniforms.begin()+i->second;
+		delete *j;
+		uniforms.erase(j);
+
+		for(SlotMap::iterator k=uniform_slots.begin(); k!=uniform_slots.end(); ++k)
+			if(k->second>i->second)
+				--k->second;
+
+		uniform_slots.erase(i);
+
+		dirty = ALL_ONES;
+	}
+}
+
+vector<string> ProgramData::get_uniform_names() const
+{
+	vector<string> names;
+	for(SlotMap::const_iterator i=uniform_slots.begin(); i!=uniform_slots.end(); ++i)
+		names.push_back(i->first);
+	return names;
+}
+
+const Uniform &ProgramData::get_uniform(const string &name) const
+{
+	return *uniforms[get_item(uniform_slots, name)];
+}
+
 unsigned ProgramData::compute_slot_mask(const Program::UniformBlockInfo &block) const
 {
 	unsigned mask = 0;
 	for(vector<const Program::UniformInfo *>::const_iterator i=block.uniforms.begin(); i!=block.uniforms.end(); ++i)
 	{
 		SlotMap::const_iterator j = uniform_slots.find((*i)->name);
+		/* TODO issue a warning (or even error?) either here or in update_block
+		if all uniforms for a buffer-backed block are not found */
 		if(j!=uniform_slots.end() && j->second<MASK_BITS)
 			mask |= 1<<j->second;
 	}
@@ -401,7 +465,7 @@ ProgramData::ProgramBlock::ProgramBlock():
 
 ProgramData::ProgramBlock::ProgramBlock(int p, SharedBlock *b):
 	bind_point(p),
-	block(b ? b->block : 0),
+	block((b && b->used) ? b->block : 0),
 	shared(b)
 { }