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255 lines
10 KiB
255 lines
10 KiB
/* |
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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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#include "rsMatrix4x4.h" |
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using android::renderscript::ProgramVertex; |
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using android::renderscript::ProgramVertexState; |
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ProgramVertex::ProgramVertex(Context *rsc, const char * shaderText, size_t shaderLength, |
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const char** textureNames, size_t textureNamesCount, const size_t *textureNamesLength, |
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const uintptr_t * params, size_t paramLength) |
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: Program(rsc, shaderText, shaderLength, params, paramLength) { |
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mRSC->mHal.funcs.vertex.init(mRSC, this, mUserShader, mUserShaderLen, |
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textureNames, textureNamesCount, textureNamesLength); |
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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] == nullptr) { |
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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 *>(rsc->mHal.funcs.allocation.lock1D( |
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rsc, mHal.state.constants[0])); |
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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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rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); |
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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] == nullptr) { |
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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 *>(rsc->mHal.funcs.allocation.lock1D( |
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rsc, mHal.state.constants[0])); |
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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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rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); |
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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] == nullptr) { |
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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 *>(rsc->mHal.funcs.allocation.lock1D( |
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rsc, mHal.state.constants[0])); |
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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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rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); |
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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] == nullptr) { |
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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 *>(rsc->mHal.funcs.allocation.lock1D( |
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rsc, mHal.state.constants[0])); |
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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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rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); |
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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] == nullptr) { |
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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 *>( |
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rsc->mHal.funcs.allocation.lock1D(rsc, mHal.state.constants[0])); |
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memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix)); |
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rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); |
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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 *>( |
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rsc->mHal.funcs.allocation.lock1D(rsc, mHal.state.constants[0])); |
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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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rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); |
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} |
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void ProgramVertex::serialize(Context *rsc, OStream *stream) const { |
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} |
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ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) { |
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return nullptr; |
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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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const char *ebn1[] = { "MV", "P", "TexMatrix", "MVP" }; |
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const Element *ebe1[] = {matrixElem.get(), matrixElem.get(), |
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matrixElem.get(), matrixElem.get()}; |
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ObjectBaseRef<const Element> constInput = Element::create(rsc, 4, ebe1, ebn1); |
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const char *ebn2[] = { "position", "color", "normal", "texture0" }; |
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const Element *ebe2[] = {f4Elem.get(), f4Elem.get(), f3Elem.get(), f2Elem.get()}; |
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ObjectBaseRef<const Element> attrElem = Element::create(rsc, 4, ebe2, ebn2); |
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ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1); |
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const char *shaderString = |
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RS_SHADER_INTERNAL |
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"varying vec4 varColor;\n" |
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"varying vec2 varTex0;\n" |
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"void main() {\n" |
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" gl_Position = UNI_MVP * ATTRIB_position;\n" |
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" gl_PointSize = 1.0;\n" |
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" varColor = ATTRIB_color;\n" |
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" varTex0 = ATTRIB_texture0;\n" |
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"}\n"; |
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uintptr_t tmp[4]; |
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tmp[0] = RS_PROGRAM_PARAM_CONSTANT; |
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tmp[1] = (uintptr_t)inputType.get(); |
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tmp[2] = RS_PROGRAM_PARAM_INPUT; |
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tmp[3] = (uintptr_t)attrElem.get(); |
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ProgramVertex *pv = new ProgramVertex(rsc, shaderString, strlen(shaderString), |
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nullptr, 0, nullptr, 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 *>(rsc->mHal.funcs.allocation.lock1D(rsc, mDefaultAlloc.get())); |
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float surfaceWidth = (float)rsc->getCurrentSurfaceWidth(); |
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float surfaceHeight = (float)rsc->getCurrentSurfaceHeight(); |
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Matrix4x4 m; |
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m.loadOrtho(0, surfaceWidth, surfaceHeight, 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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rsc->mHal.funcs.allocation.unlock1D(rsc, mDefaultAlloc.get()); |
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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, size_t shaderLength, |
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const char** textureNames, size_t textureNamesCount, |
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const size_t *textureNamesLength, |
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const uintptr_t * params, size_t paramLength) { |
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ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, |
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textureNames, textureNamesCount, textureNamesLength, |
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params, paramLength); |
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pv->incUserRef(); |
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return pv; |
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} |
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} // namespace renderscript |
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} // namespace android
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