Add functions for setting arrays of 2x2 and 3x3 matrix uniforms

[libs/gl.git] / source / programdata.cpp

diff --git a/source/programdata.cpp b/source/programdata.cpp
index b69d7b062dd61af65164f94b65fc6fc41cceb90b..cd12c2ca47fbff99cdbfe2578d30ebbd0468d997 100644 (file)
--- 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"
@@ -104,6 +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));
@@ -265,6 +271,16 @@ 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));
@@ -289,12 +305,27 @@ void ProgramData::remove_uniform(const string &name)
        }
 }
 
+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;
        }
@@ -434,7 +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)
 { }