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Add renderer support for additional vec* uniforms.

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This commit is contained in:
Paul Chote
2013-03-02 10:36:58 +13:00
parent 064938378f
commit 9566385aac
4 changed files with 52 additions and 0 deletions
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2
OpenRA.FileFormats/Graphics/IGraphicsDevice.cs
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@@ -60,7 +60,9 @@ namespace OpenRA.FileFormats.Graphics
public interface IShader
{
void SetVec(string name, float x);
void SetVec(string name, float x, float y);
void SetVec(string name, float[] vec, int length);
void SetTexture(string param, ITexture texture);
void SetMatrix(string param, float[] mtx);
void Render(Action a);

23
OpenRA.Renderer.Cg/Shader.cs
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@@ -75,6 +75,13 @@ namespace OpenRA.Renderer.Cg
Tao.Cg.CgGl.cgGLSetupSampler(param, texture.texture);
}
public void SetVec(string name, float x)
{
var param = Tao.Cg.Cg.cgGetNamedEffectParameter(effect, name);
if (param != IntPtr.Zero)
Tao.Cg.CgGl.cgGLSetParameter1f(param, x);
}
public void SetVec(string name, float x, float y)
{
var param = Tao.Cg.Cg.cgGetNamedEffectParameter(effect, name);
@@ -82,6 +89,22 @@ namespace OpenRA.Renderer.Cg
Tao.Cg.CgGl.cgGLSetParameter2f(param, x, y);
}
public void SetVec(string name, float[] vec, int length)
{
var param = Tao.Cg.Cg.cgGetNamedEffectParameter(effect, name);
if (param == IntPtr.Zero)
return;
switch(length)
{
case 1: Tao.Cg.CgGl.cgGLSetParameter1fv(param, vec); break;
case 2: Tao.Cg.CgGl.cgGLSetParameter2fv(param, vec); break;
case 3: Tao.Cg.CgGl.cgGLSetParameter3fv(param, vec); break;
case 4: Tao.Cg.CgGl.cgGLSetParameter4fv(param, vec); break;
default: throw new InvalidDataException("Invalid vector length");
}
}
public void SetMatrix(string name, float[] mtx)
{
if (mtx.Length != 16)

25
OpenRA.Renderer.Gl/Shader.cs
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@@ -141,6 +141,16 @@ namespace OpenRA.Renderer.Glsl
textures[texUnit] = t;
}
public void SetVec(string name, float x)
{
Gl.glUseProgramObjectARB(program);
ErrorHandler.CheckGlError();
int param = Gl.glGetUniformLocationARB(program, name);
ErrorHandler.CheckGlError();
Gl.glUniform1fARB(param,x);
ErrorHandler.CheckGlError();
}
public void SetVec(string name, float x, float y)
{
Gl.glUseProgramObjectARB(program);
@@ -151,6 +161,21 @@ namespace OpenRA.Renderer.Glsl
ErrorHandler.CheckGlError();
}
public void SetVec(string name, float[] vec, int length)
{
int param = Gl.glGetUniformLocationARB(program, name);
ErrorHandler.CheckGlError();
switch(length)
{
case 1: Gl.glUniform1fv(param, 1, vec); break;
case 2: Gl.glUniform2fv(param, 1, vec); break;
case 3: Gl.glUniform3fv(param, 1, vec); break;
case 4: Gl.glUniform4fv(param, 1, vec); break;
default: throw new InvalidDataException("Invalid vector length");
}
ErrorHandler.CheckGlError();
}
public void SetMatrix(string name, float[] mtx)
{
if (mtx.Length != 16)

2
OpenRA.Renderer.Null/NullGraphicsDevice.cs
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@@ -58,7 +58,9 @@ namespace OpenRA.Renderer.Null
public class NullShader : IShader
{
public void SetVec(string name, float x) { }
public void SetVec(string name, float x, float y) { }
public void SetVec(string name, float[] vec, int length) { }
public void SetTexture(string param, ITexture texture) { }
public void SetMatrix(string param, float[] mtx) { }
public void Commit() { }