/// <summary>
/// Updates program object uniforms using data from GpuProgramParameters.
/// normally called by GLSLGpuProgram.BindParameters() just before rendering occurs.
/// </summary>
/// <param name="parameters">GPU Parameters to use to update the uniforms params.</param>
public void UpdateUniforms(GpuProgramParameters parameters)
{
for(int i = 0; i < uniformReferences.Count; i++) {
UniformReference uniformRef = (UniformReference)uniformReferences[i];
GpuProgramParameters.FloatConstantEntry currentFloatEntry = null;
GpuProgramParameters.IntConstantEntry currentIntEntry = null;
if(uniformRef.isFloat) {
currentFloatEntry = parameters.GetNamedFloatConstant(uniformRef.name);
if(currentFloatEntry != null) {
if(currentFloatEntry.isSet) {
switch(uniformRef.elementCount) {
case 1:
Gl.glUniform1fvARB(uniformRef.location, 1, currentFloatEntry.val);
break;
case 2:
Gl.glUniform2fvARB(uniformRef.location, 1, currentFloatEntry.val);
break;
case 3:
Gl.glUniform3fvARB(uniformRef.location, 1, currentFloatEntry.val);
break;
case 4:
Gl.glUniform4fvARB(uniformRef.location, 1, currentFloatEntry.val);
break;
} // end switch
}
}
}
else {
currentIntEntry = parameters.GetNamedIntConstant(uniformRef.name);
if(currentIntEntry != null) {
if(currentIntEntry.isSet) {
switch(uniformRef.elementCount) {
case 1:
Gl.glUniform1ivARB(uniformRef.location, 1, currentIntEntry.val);
break;
case 2:
Gl.glUniform2ivARB(uniformRef.location, 1, currentIntEntry.val);
break;
case 3:
Gl.glUniform3ivARB(uniformRef.location, 1, currentIntEntry.val);
break;
case 4:
Gl.glUniform4ivARB(uniformRef.location, 1, currentIntEntry.val);
break;
} // end switch
}
}
}
}
}
/// <summary>
/// Binds params by index to the vp30 program.
/// </summary>
/// <param name="parms"></param>
public override void BindParameters(GpuProgramParameters parms)
{
if (parms.HasFloatConstants)
{
for (int index = 0; index < parms.FloatConstantCount; index++)
{
GpuProgramParameters.FloatConstantEntry entry = parms.GetFloatConstant(index);
if (entry.isSet)
{
// send the params 4 at a time
Gl.glProgramParameter4fvNV(programType, index, entry.val);
}
}
}
}
public override void BindParameters(GpuProgramParameters parms)
{
if (parms.HasFloatConstants)
{
for (int index = 0; index < parms.FloatConstantCount; index++)
{
GpuProgramParameters.FloatConstantEntry entry = parms.GetFloatConstant(index);
if (entry.isSet)
{
// MONO: the 4fv version does not work
float[] vals = entry.val;
Gl.glProgramLocalParameter4fARB(programType, index, vals[0], vals[1], vals[2], vals[3]);
}
}
}
}
public override void BindParameters(GpuProgramParameters parms)
{
// program constants done internally by compiler for local
if (parms.HasFloatConstants)
{
for (int index = 0; index < parms.FloatConstantCount; index++)
{
GpuProgramParameters.FloatConstantEntry entry = parms.GetFloatConstant(index);
if (entry.isSet)
{
// send the params 4 at a time
Gl.glSetFragmentShaderConstantATI(Gl.GL_CON_0_ATI + index, entry.val);
}
}
}
}
/// <summary>
/// Binds named parameters to fp30 programs.
/// </summary>
/// <param name="parms"></param>
public override void BindParameters(GpuProgramParameters parms)
{
if (parms.HasFloatConstants)
{
for (int index = 0; index < parms.FloatConstantCount; index++)
{
string name = parms.GetNameByIndex(index);
if (name != null)
{
GpuProgramParameters.FloatConstantEntry entry = parms.GetFloatConstant(index);
// send the params 4 at a time
Gl.glProgramNamedParameter4fvNV(programId, name.Length, name, entry.val);
}
}
}
}
/// <summary>
/// Called to pass parameters to the Nvparse program.
/// </summary>
/// <param name="parms"></param>
public override void BindParameters(GpuProgramParameters parms)
{
// Register combiners uses 2 constants per texture stage (0 and 1)
// We have stored these as (stage * 2) + const_index
if (parms.HasFloatConstants)
{
for (int index = 0; index < parms.FloatConstantCount; index++)
{
GpuProgramParameters.FloatConstantEntry entry = parms.GetFloatConstant(index);
if (entry.isSet)
{
int combinerStage = Gl.GL_COMBINER0_NV + (index / 2);
int pname = Gl.GL_CONSTANT_COLOR0_NV + (index % 2);
// send the params 4 at a time
Gl.glCombinerStageParameterfvNV(combinerStage, pname, entry.val);
}
}
}
}
