239 lines
8.8 KiB
C++
239 lines
8.8 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "rsContext.h"
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#include "rsProgramVertex.h"
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using namespace android;
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using namespace android::renderscript;
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ProgramVertex::ProgramVertex(Context *rsc, const char * shaderText,
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uint32_t shaderLength, const uint32_t * params,
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uint32_t paramLength)
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: Program(rsc, shaderText, shaderLength, params, paramLength) {
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mRSC->mHal.funcs.vertex.init(mRSC, this, mUserShader.string(), mUserShader.length());
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}
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ProgramVertex::~ProgramVertex() {
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mRSC->mHal.funcs.vertex.destroy(mRSC, this);
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}
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void ProgramVertex::setup(Context *rsc, ProgramVertexState *state) {
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if ((state->mLast.get() == this) && !mDirty) {
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return;
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}
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if (!isUserProgram()) {
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if (mHal.state.constants[0] == NULL) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Unable to set fixed function emulation matrices because allocation is missing");
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return;
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}
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float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
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Matrix4x4 mvp;
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mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
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Matrix4x4 t;
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t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
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mvp.multiply(&t);
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for (uint32_t i = 0; i < 16; i ++) {
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f[RS_PROGRAM_VERTEX_MVP_OFFSET + i] = mvp.m[i];
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}
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}
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state->mLast.set(this);
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rsc->mHal.funcs.vertex.setActive(rsc, this);
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}
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void ProgramVertex::setProjectionMatrix(Context *rsc, const rsc_Matrix *m) const {
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if (isUserProgram()) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Attempting to set fixed function emulation matrix projection on user program");
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return;
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}
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if (mHal.state.constants[0] == NULL) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Unable to set fixed function emulation matrix projection because allocation is missing");
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return;
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}
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float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
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memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix));
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mDirty = true;
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}
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void ProgramVertex::setModelviewMatrix(Context *rsc, const rsc_Matrix *m) const {
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if (isUserProgram()) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Attempting to set fixed function emulation matrix modelview on user program");
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return;
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}
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if (mHal.state.constants[0] == NULL) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Unable to set fixed function emulation matrix modelview because allocation is missing");
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return;
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}
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float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
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memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix));
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mDirty = true;
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}
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void ProgramVertex::setTextureMatrix(Context *rsc, const rsc_Matrix *m) const {
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if (isUserProgram()) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Attempting to set fixed function emulation matrix texture on user program");
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return;
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}
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if (mHal.state.constants[0] == NULL) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Unable to set fixed function emulation matrix texture because allocation is missing");
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return;
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}
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float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
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memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix));
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mDirty = true;
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}
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void ProgramVertex::getProjectionMatrix(Context *rsc, rsc_Matrix *m) const {
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if (isUserProgram()) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Attempting to get fixed function emulation matrix projection on user program");
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return;
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}
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if (mHal.state.constants[0] == NULL) {
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rsc->setError(RS_ERROR_FATAL_UNKNOWN,
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"Unable to get fixed function emulation matrix projection because allocation is missing");
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return;
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}
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float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
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memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix));
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}
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void ProgramVertex::transformToScreen(Context *rsc, float *v4out, const float *v3in) const {
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if (isUserProgram()) {
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return;
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}
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float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
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Matrix4x4 mvp;
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mvp.loadMultiply((Matrix4x4 *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET],
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(Matrix4x4 *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
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mvp.vectorMultiply(v4out, v3in);
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}
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void ProgramVertex::serialize(OStream *stream) const {
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}
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ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) {
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return NULL;
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}
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///////////////////////////////////////////////////////////////////////
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ProgramVertexState::ProgramVertexState() {
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}
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ProgramVertexState::~ProgramVertexState() {
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}
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void ProgramVertexState::init(Context *rsc) {
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ObjectBaseRef<const Element> matrixElem = Element::createRef(rsc, RS_TYPE_MATRIX_4X4,
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RS_KIND_USER, false, 1);
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ObjectBaseRef<const Element> f2Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
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RS_KIND_USER, false, 2);
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ObjectBaseRef<const Element> f3Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
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RS_KIND_USER, false, 3);
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ObjectBaseRef<const Element> f4Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
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RS_KIND_USER, false, 4);
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Element::Builder constBuilder;
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constBuilder.add(matrixElem.get(), "MV", 1);
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constBuilder.add(matrixElem.get(), "P", 1);
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constBuilder.add(matrixElem.get(), "TexMatrix", 1);
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constBuilder.add(matrixElem.get(), "MVP", 1);
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ObjectBaseRef<const Element> constInput = constBuilder.create(rsc);
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Element::Builder inputBuilder;
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inputBuilder.add(f4Elem.get(), "position", 1);
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inputBuilder.add(f4Elem.get(), "color", 1);
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inputBuilder.add(f3Elem.get(), "normal", 1);
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inputBuilder.add(f2Elem.get(), "texture0", 1);
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ObjectBaseRef<const Element> attrElem = inputBuilder.create(rsc);
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ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1, 0, 0, false, false);
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String8 shaderString(RS_SHADER_INTERNAL);
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shaderString.append("varying vec4 varColor;\n");
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shaderString.append("varying vec2 varTex0;\n");
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shaderString.append("void main() {\n");
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shaderString.append(" gl_Position = UNI_MVP * ATTRIB_position;\n");
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shaderString.append(" gl_PointSize = 1.0;\n");
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shaderString.append(" varColor = ATTRIB_color;\n");
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shaderString.append(" varTex0 = ATTRIB_texture0;\n");
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shaderString.append("}\n");
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uint32_t tmp[4];
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tmp[0] = RS_PROGRAM_PARAM_CONSTANT;
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tmp[1] = (uint32_t)inputType.get();
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tmp[2] = RS_PROGRAM_PARAM_INPUT;
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tmp[3] = (uint32_t)attrElem.get();
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ProgramVertex *pv = new ProgramVertex(rsc, shaderString.string(),
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shaderString.length(), tmp, 4);
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Allocation *alloc = Allocation::createAllocation(rsc, inputType.get(),
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RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS);
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pv->bindAllocation(rsc, alloc, 0);
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mDefaultAlloc.set(alloc);
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mDefault.set(pv);
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updateSize(rsc);
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}
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void ProgramVertexState::updateSize(Context *rsc) {
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float *f = static_cast<float *>(mDefaultAlloc->getPtr());
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Matrix4x4 m;
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m.loadOrtho(0,rsc->getWidth(), rsc->getHeight(),0, -1,1);
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memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m.m, sizeof(m));
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memcpy(&f[RS_PROGRAM_VERTEX_MVP_OFFSET], m.m, sizeof(m));
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m.loadIdentity();
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memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m.m, sizeof(m));
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memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m.m, sizeof(m));
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}
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void ProgramVertexState::deinit(Context *rsc) {
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mDefaultAlloc.clear();
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mDefault.clear();
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mLast.clear();
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}
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namespace android {
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namespace renderscript {
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RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, const char * shaderText,
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size_t shaderLength, const uint32_t * params,
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size_t paramLength) {
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ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, params, paramLength);
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pv->incUserRef();
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return pv;
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}
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}
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}
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