Remove VertexProcessor shader constants mechanism

Bug: b/124177079
Change-Id: I5293ed6c564219f7a47baea7b62240b3104bd1f9
Reviewed-on: https://swiftshader-review.googlesource.com/c/24592
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Chris Forbes <chrisforbes@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>

src/Device/VertexProcessor.cpp

diff --git a/src/Device/VertexProcessor.cpp b/src/Device/VertexProcessor.cpp
index 854c023..16a38d0 100644
--- a/src/Device/VertexProcessor.cpp
+++ b/src/Device/VertexProcessor.cpp
@@ -92,39 +92,6 @@
 		}
 	}
 
-	void VertexProcessor::setFloatConstant(unsigned int index, const float value[4])
-	{
-		if(index < VERTEX_UNIFORM_VECTORS)
-		{
-			c[index][0] = value[0];
-			c[index][1] = value[1];
-			c[index][2] = value[2];
-			c[index][3] = value[3];
-		}
-		else ASSERT(false);
-	}
-
-	void VertexProcessor::setIntegerConstant(unsigned int index, const int integer[4])
-	{
-		if(index < 16)
-		{
-			i[index][0] = integer[0];
-			i[index][1] = integer[1];
-			i[index][2] = integer[2];
-			i[index][3] = integer[3];
-		}
-		else ASSERT(false);
-	}
-
-	void VertexProcessor::setBooleanConstant(unsigned int index, int boolean)
-	{
-		if(index < 16)
-		{
-			b[index] = boolean != 0;
-		}
-		else ASSERT(false);
-	}
-
 	void VertexProcessor::setUniformBuffer(int index, sw::Resource* buffer, int offset)
 	{
 		uniformBufferInfo[index].buffer = buffer;

src/Device/VertexProcessor.hpp

diff --git a/src/Device/VertexProcessor.hpp b/src/Device/VertexProcessor.hpp
index b9c6590..362f766 100644
--- a/src/Device/VertexProcessor.hpp
+++ b/src/Device/VertexProcessor.hpp
@@ -91,10 +91,6 @@
 		void setInputStream(int index, const Stream &stream);
 		void resetInputStreams();
 
-		void setFloatConstant(unsigned int index, const float value[4]);
-		void setIntegerConstant(unsigned int index, const int integer[4]);
-		void setBooleanConstant(unsigned int index, int boolean);
-
 		void setUniformBuffer(int index, sw::Resource* uniformBuffer, int offset);
 		void lockUniformBuffers(byte** u, sw::Resource* uniformBuffers[]);
 
@@ -133,11 +129,6 @@
 
 		void setRoutineCacheSize(int cacheSize);
 
-		// Shader constants
-		float4 c[VERTEX_UNIFORM_VECTORS + 1];   // One extra for indices out of range, c[VERTEX_UNIFORM_VECTORS] = {0, 0, 0, 0}
-		int4 i[16];
-		bool b[16];
-
 		float pointSizeMin;
 		float pointSizeMax;