430 lines
13 KiB
C++
430 lines
13 KiB
C++
/*
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* Copyright (C) 2009 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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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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using namespace android;
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using namespace android::renderscript;
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ProgramVertex::ProgramVertex(Context *rsc, bool texMat) :
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Program(rsc)
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{
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mAllocFile = __FILE__;
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mAllocLine = __LINE__;
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mTextureMatrixEnable = texMat;
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mLightCount = 0;
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init(rsc);
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}
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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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{
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mAllocFile = __FILE__;
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mAllocLine = __LINE__;
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mTextureMatrixEnable = false;
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mLightCount = 0;
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init(rsc);
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}
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ProgramVertex::~ProgramVertex()
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{
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}
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static void logMatrix(const char *txt, const float *f)
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{
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LOGV("Matrix %s, %p", txt, f);
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LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[0], f[4], f[8], f[12]);
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LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[1], f[5], f[9], f[13]);
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LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[2], f[6], f[10], f[14]);
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LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[3], f[7], f[11], f[15]);
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}
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void ProgramVertex::setupGL(const Context *rsc, ProgramVertexState *state)
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{
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if ((state->mLast.get() == this) && !mDirty) {
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return;
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}
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state->mLast.set(this);
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const float *f = static_cast<const float *>(mConstants[0]->getPtr());
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glMatrixMode(GL_TEXTURE);
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if (mTextureMatrixEnable) {
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glLoadMatrixf(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]);
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} else {
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glLoadIdentity();
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}
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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if (mLightCount) {
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int v = 0;
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glEnable(GL_LIGHTING);
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glLightModelxv(GL_LIGHT_MODEL_TWO_SIDE, &v);
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for (uint32_t ct = 0; ct < mLightCount; ct++) {
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const Light *l = mLights[ct].get();
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glEnable(GL_LIGHT0 + ct);
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l->setupGL(ct);
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}
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for (uint32_t ct = mLightCount; ct < MAX_LIGHTS; ct++) {
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glDisable(GL_LIGHT0 + ct);
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}
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} else {
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glDisable(GL_LIGHTING);
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}
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if (!f) {
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LOGE("Must bind constants to vertex program");
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}
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glMatrixMode(GL_PROJECTION);
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glLoadMatrixf(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
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glMatrixMode(GL_MODELVIEW);
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glLoadMatrixf(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
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mDirty = false;
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}
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void ProgramVertex::loadShader(Context *rsc) {
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Program::loadShader(rsc, GL_VERTEX_SHADER);
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}
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void ProgramVertex::createShader()
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{
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mShader.setTo("");
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mShader.append("varying vec4 varColor;\n");
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mShader.append("varying vec4 varTex0;\n");
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if (mUserShader.length() > 1) {
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mShader.append("uniform mat4 ");
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mShader.append(mUniformNames[0]);
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mShader.append(";\n");
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for (uint32_t ct=0; ct < mConstantCount; ct++) {
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const Element *e = mConstantTypes[ct]->getElement();
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for (uint32_t field=0; field < e->getFieldCount(); field++) {
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const Element *f = e->getField(field);
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// Cannot be complex
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rsAssert(!f->getFieldCount());
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switch(f->getComponent().getVectorSize()) {
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case 1: mShader.append("uniform float UNI_"); break;
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case 2: mShader.append("uniform vec2 UNI_"); break;
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case 3: mShader.append("uniform vec3 UNI_"); break;
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case 4: mShader.append("uniform vec4 UNI_"); break;
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default:
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rsAssert(0);
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}
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mShader.append(e->getFieldName(field));
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mShader.append(";\n");
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}
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}
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for (uint32_t ct=0; ct < mInputCount; ct++) {
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const Element *e = mInputElements[ct].get();
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for (uint32_t field=0; field < e->getFieldCount(); field++) {
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const Element *f = e->getField(field);
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// Cannot be complex
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rsAssert(!f->getFieldCount());
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switch(f->getComponent().getVectorSize()) {
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case 1: mShader.append("attribute float ATTRIB_"); break;
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case 2: mShader.append("attribute vec2 ATTRIB_"); break;
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case 3: mShader.append("attribute vec3 ATTRIB_"); break;
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case 4: mShader.append("attribute vec4 ATTRIB_"); break;
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default:
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rsAssert(0);
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}
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mShader.append(e->getFieldName(field));
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mShader.append(";\n");
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}
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}
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mShader.append(mUserShader);
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} else {
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mShader.append("attribute vec4 ATTRIB_LegacyPosition;\n");
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mShader.append("attribute vec4 ATTRIB_LegacyColor;\n");
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mShader.append("attribute vec3 ATTRIB_LegacyNormal;\n");
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mShader.append("attribute float ATTRIB_LegacyPointSize;\n");
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mShader.append("attribute vec4 ATTRIB_LegacyTexture;\n");
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for (uint32_t ct=0; ct < mUniformCount; ct++) {
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mShader.append("uniform mat4 ");
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mShader.append(mUniformNames[ct]);
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mShader.append(";\n");
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}
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mShader.append("void main() {\n");
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mShader.append(" gl_Position = UNI_MVP * ATTRIB_LegacyPosition;\n");
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mShader.append(" gl_PointSize = ATTRIB_LegacyPointSize;\n");
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mShader.append(" varColor = ATTRIB_LegacyColor;\n");
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if (mTextureMatrixEnable) {
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mShader.append(" varTex0 = UNI_TexMatrix * ATTRIB_LegacyTexture;\n");
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} else {
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mShader.append(" varTex0 = ATTRIB_LegacyTexture;\n");
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}
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//mShader.append(" pos.x = pos.x / 480.0;\n");
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//mShader.append(" pos.y = pos.y / 800.0;\n");
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//mShader.append(" gl_Position = pos;\n");
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mShader.append("}\n");
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}
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}
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void ProgramVertex::setupGL2(const Context *rsc, ProgramVertexState *state, ShaderCache *sc)
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{
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//LOGE("sgl2 vtx1 %x", glGetError());
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if ((state->mLast.get() == this) && !mDirty) {
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//return;
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}
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rsc->checkError("ProgramVertex::setupGL2 start");
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glVertexAttrib4f(1, state->color[0], state->color[1], state->color[2], state->color[3]);
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const float *f = static_cast<const float *>(mConstants[0]->getPtr());
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Matrix mvp;
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mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
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Matrix t;
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t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
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mvp.multiply(&t);
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glUniformMatrix4fv(sc->vtxUniformSlot(0), 1, GL_FALSE, mvp.m);
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if (mTextureMatrixEnable) {
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glUniformMatrix4fv(sc->vtxUniformSlot(1), 1, GL_FALSE,
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&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]);
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}
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rsc->checkError("ProgramVertex::setupGL2 begin uniforms");
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uint32_t uidx = 1;
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for (uint32_t ct=0; ct < mConstantCount; ct++) {
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Allocation *alloc = mConstants[ct+1].get();
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if (!alloc) {
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continue;
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}
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const uint8_t *data = static_cast<const uint8_t *>(alloc->getPtr());
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const Element *e = mConstantTypes[ct]->getElement();
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for (uint32_t field=0; field < e->getFieldCount(); field++) {
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const Element *f = e->getField(field);
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uint32_t offset = e->getFieldOffsetBytes(field);
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int32_t slot = sc->vtxUniformSlot(uidx);
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const float *fd = reinterpret_cast<const float *>(&data[offset]);
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//LOGE("Uniform slot=%i, offset=%i, constant=%i, field=%i, uidx=%i", slot, offset, ct, field, uidx);
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if (slot >= 0) {
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switch(f->getComponent().getVectorSize()) {
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case 1:
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//LOGE("Uniform 1 = %f", fd[0]);
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glUniform1fv(slot, 1, fd);
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break;
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case 2:
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//LOGE("Uniform 2 = %f %f", fd[0], fd[1]);
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glUniform2fv(slot, 1, fd);
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break;
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case 3:
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//LOGE("Uniform 3 = %f %f %f", fd[0], fd[1], fd[2]);
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glUniform3fv(slot, 1, fd);
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break;
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case 4:
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//LOGE("Uniform 4 = %f %f %f %f", fd[0], fd[1], fd[2], fd[3]);
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glUniform4fv(slot, 1, fd);
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break;
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default:
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rsAssert(0);
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}
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}
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uidx ++;
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}
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}
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for (uint32_t ct=0; ct < mConstantCount; ct++) {
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uint32_t glSlot = sc->vtxUniformSlot(ct + 1);
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}
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state->mLast.set(this);
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rsc->checkError("ProgramVertex::setupGL2");
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}
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void ProgramVertex::addLight(const Light *l)
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{
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if (mLightCount < MAX_LIGHTS) {
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mLights[mLightCount].set(l);
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mLightCount++;
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}
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}
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void ProgramVertex::setProjectionMatrix(const rsc_Matrix *m) const
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{
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float *f = static_cast<float *>(mConstants[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(const rsc_Matrix *m) const
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{
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float *f = static_cast<float *>(mConstants[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(const rsc_Matrix *m) const
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{
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float *f = static_cast<float *>(mConstants[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::transformToScreen(const Context *rsc, float *v4out, const float *v3in) const
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{
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float *f = static_cast<float *>(mConstants[0]->getPtr());
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Matrix mvp;
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mvp.loadMultiply((Matrix *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET],
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(Matrix *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
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mvp.vectorMultiply(v4out, v3in);
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}
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void ProgramVertex::initAddUserElement(const Element *e, String8 *names, uint32_t *count, const char *prefix)
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{
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rsAssert(e->getFieldCount());
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for (uint32_t ct=0; ct < e->getFieldCount(); ct++) {
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const Element *ce = e->getField(ct);
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if (ce->getFieldCount()) {
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initAddUserElement(ce, names, count, prefix);
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} else {
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String8 tmp(prefix);
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tmp.append(e->getFieldName(ct));
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names[*count].setTo(tmp.string());
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(*count)++;
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}
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}
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}
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void ProgramVertex::init(Context *rsc)
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{
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mAttribCount = 0;
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if (mUserShader.size() > 0) {
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for (uint32_t ct=0; ct < mInputCount; ct++) {
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initAddUserElement(mInputElements[ct].get(), mAttribNames, &mAttribCount, "ATTRIB_");
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}
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mUniformCount = 1;
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mUniformNames[0].setTo("UNI_MVP");
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for (uint32_t ct=0; ct < mConstantCount; ct++) {
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initAddUserElement(mConstantTypes[ct]->getElement(), mUniformNames, &mUniformCount, "UNI_");
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}
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} else {
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mUniformCount = 2;
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mUniformNames[0].setTo("UNI_MVP");
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mUniformNames[1].setTo("UNI_TexMatrix");
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}
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createShader();
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}
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///////////////////////////////////////////////////////////////////////
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ProgramVertexState::ProgramVertexState()
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{
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}
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ProgramVertexState::~ProgramVertexState()
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{
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}
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void ProgramVertexState::init(Context *rsc, int32_t w, int32_t h)
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{
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RsElement e = (RsElement) Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 1);
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rsi_TypeBegin(rsc, e);
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rsi_TypeAdd(rsc, RS_DIMENSION_X, 48);
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mAllocType.set((Type *)rsi_TypeCreate(rsc));
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ProgramVertex *pv = new ProgramVertex(rsc, false);
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Allocation *alloc = (Allocation *)rsi_AllocationCreateTyped(rsc, mAllocType.get());
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mDefaultAlloc.set(alloc);
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mDefault.set(pv);
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pv->init(rsc);
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pv->bindAllocation(alloc, 0);
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color[0] = 1.f;
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color[1] = 1.f;
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color[2] = 1.f;
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color[3] = 1.f;
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updateSize(rsc, w, h);
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}
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void ProgramVertexState::updateSize(Context *rsc, int32_t w, int32_t h)
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{
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Matrix m;
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m.loadOrtho(0,w, h,0, -1,1);
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mDefaultAlloc->subData(RS_PROGRAM_VERTEX_PROJECTION_OFFSET, 16, &m.m[0], 16*4);
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m.loadIdentity();
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mDefaultAlloc->subData(RS_PROGRAM_VERTEX_MODELVIEW_OFFSET, 16, &m.m[0], 16*4);
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}
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void ProgramVertexState::deinit(Context *rsc)
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{
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mDefaultAlloc.clear();
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mDefault.clear();
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mAllocType.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, bool texMat)
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{
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ProgramVertex *pv = new ProgramVertex(rsc, texMat);
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pv->incUserRef();
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return pv;
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}
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RsProgramVertex rsi_ProgramVertexCreate2(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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{
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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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