From c984dd73c6f96d16e11813ae433ef70f7648ae77 Mon Sep 17 00:00:00 2001
From: Alex Sakhartchouk <alexst@google.com>
Date: Tue, 14 Sep 2010 09:50:43 -0700
Subject: Shader changes to allow for more flexible constant binding.

Change-Id: Ic66e6e2a371c6e3d5dce1b00f63acab8c09bd110
---
 libs/rs/rsProgram.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'libs/rs/rsProgram.cpp')

diff --git a/libs/rs/rsProgram.cpp b/libs/rs/rsProgram.cpp
index 6041db80b279..24414912fbc8 100644
--- a/libs/rs/rsProgram.cpp
+++ b/libs/rs/rsProgram.cpp
@@ -46,6 +46,7 @@ Program::Program(Context *rsc) : ObjectBase(rsc)
     mOutputCount = 0;
     mConstantCount = 0;
     mIsValid = false;
+    mIsInternal = false;
 }
 
 Program::Program(Context *rsc, const char * shaderText, uint32_t shaderLength,
@@ -97,6 +98,14 @@ Program::Program(Context *rsc, const char * shaderText, uint32_t shaderLength,
             mConstantTypes[constant++].set(reinterpret_cast<Type *>(params[ct+1]));
         }
     }
+    mIsInternal = false;
+    uint32_t internalTokenLen = strlen(RS_SHADER_INTERNAL);
+    if(shaderLength > internalTokenLen &&
+       strncmp(RS_SHADER_INTERNAL, shaderText, internalTokenLen) == 0) {
+        mIsInternal = true;
+        shaderText += internalTokenLen;
+        shaderLength -= internalTokenLen;
+    }
     mUserShader.setTo(shaderText, shaderLength);
 }
 
@@ -281,9 +290,9 @@ void Program::appendUserConstants() {
 }
 
 void Program::setupUserConstants(ShaderCache *sc, bool isFragment) {
-    uint32_t uidx = 1;
+    uint32_t uidx = 0;
     for (uint32_t ct=0; ct < mConstantCount; ct++) {
-        Allocation *alloc = mConstants[ct+1].get();
+        Allocation *alloc = mConstants[ct].get();
         if (!alloc) {
             continue;
         }
@@ -313,6 +322,9 @@ void Program::setupUserConstants(ShaderCache *sc, bool isFragment) {
             if (slot >= 0) {
                 if(f->getType() == RS_TYPE_MATRIX_4X4) {
                     glUniformMatrix4fv(slot, 1, GL_FALSE, fd);
+                    /*for(int i = 0; i < 4; i++) {
+                        LOGE("Mat = %f %f %f %f", fd[i*4 + 0], fd[i*4 + 1], fd[i*4 + 2], fd[i*4 + 3]);
+                    }*/
                 }
                 else if(f->getType() == RS_TYPE_MATRIX_3X3) {
                     glUniformMatrix3fv(slot, 1, GL_FALSE, fd);
-- 
cgit v1.2.3-59-g8ed1b