Fixing uniform binding for fragment shader.
Updating the glsl fragment shader to color the lights.
Change-Id: I6f850d1aa22059a2974e379f652f7e99d6a799fb
diff --git a/rsProgram.cpp b/rsProgram.cpp
index c4f8b2e..6041db8 100644
--- a/rsProgram.cpp
+++ b/rsProgram.cpp
@@ -241,7 +241,129 @@
mUserShader.setTo(txt, len);
}
+void Program::appendUserConstants() {
+ for (uint32_t ct=0; ct < mConstantCount; ct++) {
+ const Element *e = mConstantTypes[ct]->getElement();
+ for (uint32_t field=0; field < e->getFieldCount(); field++) {
+ const Element *f = e->getField(field);
+ const char *fn = e->getFieldName(field);
+ if (fn[0] == '#') {
+ continue;
+ }
+
+ // Cannot be complex
+ rsAssert(!f->getFieldCount());
+ if(f->getType() == RS_TYPE_MATRIX_4X4) {
+ mShader.append("uniform mat4 UNI_");
+ }
+ else if(f->getType() == RS_TYPE_MATRIX_3X3) {
+ mShader.append("uniform mat3 UNI_");
+ }
+ else if(f->getType() == RS_TYPE_MATRIX_2X2) {
+ mShader.append("uniform mat2 UNI_");
+ }
+ else {
+ switch(f->getComponent().getVectorSize()) {
+ case 1: mShader.append("uniform float UNI_"); break;
+ case 2: mShader.append("uniform vec2 UNI_"); break;
+ case 3: mShader.append("uniform vec3 UNI_"); break;
+ case 4: mShader.append("uniform vec4 UNI_"); break;
+ default:
+ rsAssert(0);
+ }
+ }
+
+ mShader.append(fn);
+ mShader.append(";\n");
+ }
+ }
+}
+
+void Program::setupUserConstants(ShaderCache *sc, bool isFragment) {
+ uint32_t uidx = 1;
+ for (uint32_t ct=0; ct < mConstantCount; ct++) {
+ Allocation *alloc = mConstants[ct+1].get();
+ if (!alloc) {
+ continue;
+ }
+
+ const uint8_t *data = static_cast<const uint8_t *>(alloc->getPtr());
+ const Element *e = mConstantTypes[ct]->getElement();
+ for (uint32_t field=0; field < e->getFieldCount(); field++) {
+ const Element *f = e->getField(field);
+ const char *fieldName = e->getFieldName(field);
+ // If this field is padding, skip it
+ if(fieldName[0] == '#') {
+ continue;
+ }
+
+ uint32_t offset = e->getFieldOffsetBytes(field);
+ const float *fd = reinterpret_cast<const float *>(&data[offset]);
+
+ int32_t slot = -1;
+ if(!isFragment) {
+ slot = sc->vtxUniformSlot(uidx);
+ }
+ else {
+ slot = sc->fragUniformSlot(uidx);
+ }
+
+ //LOGE("Uniform slot=%i, offset=%i, constant=%i, field=%i, uidx=%i, name=%s", slot, offset, ct, field, uidx, fieldName);
+ if (slot >= 0) {
+ if(f->getType() == RS_TYPE_MATRIX_4X4) {
+ glUniformMatrix4fv(slot, 1, GL_FALSE, fd);
+ }
+ else if(f->getType() == RS_TYPE_MATRIX_3X3) {
+ glUniformMatrix3fv(slot, 1, GL_FALSE, fd);
+ }
+ else if(f->getType() == RS_TYPE_MATRIX_2X2) {
+ glUniformMatrix2fv(slot, 1, GL_FALSE, fd);
+ }
+ else {
+ switch(f->getComponent().getVectorSize()) {
+ case 1:
+ //LOGE("Uniform 1 = %f", fd[0]);
+ glUniform1fv(slot, 1, fd);
+ break;
+ case 2:
+ //LOGE("Uniform 2 = %f %f", fd[0], fd[1]);
+ glUniform2fv(slot, 1, fd);
+ break;
+ case 3:
+ //LOGE("Uniform 3 = %f %f %f", fd[0], fd[1], fd[2]);
+ glUniform3fv(slot, 1, fd);
+ break;
+ case 4:
+ //LOGE("Uniform 4 = %f %f %f %f", fd[0], fd[1], fd[2], fd[3]);
+ glUniform4fv(slot, 1, fd);
+ break;
+ default:
+ rsAssert(0);
+ }
+ }
+ }
+ uidx ++;
+ }
+ }
+}
+
+void Program::initAddUserElement(const Element *e, String8 *names, uint32_t *count, const char *prefix)
+{
+ rsAssert(e->getFieldCount());
+ for (uint32_t ct=0; ct < e->getFieldCount(); ct++) {
+ const Element *ce = e->getField(ct);
+ if (ce->getFieldCount()) {
+ initAddUserElement(ce, names, count, prefix);
+ }
+ else if(e->getFieldName(ct)[0] != '#') {
+ String8 tmp(prefix);
+ tmp.append(e->getFieldName(ct));
+ names[*count].setTo(tmp.string());
+ (*count)++;
+ }
+ }
+}
namespace android {
namespace renderscript {