libs/rs/rsProgramVertex.cpp - platform/frameworks/base - Gitiles

 /*
  * Copyright (C) 2011 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "rsContext.h"
 #include "rsProgramVertex.h"
 #include "rsMatrix4x4.h"

 using namespace android;
 using namespace android::renderscript;


 ProgramVertex::ProgramVertex(Context *rsc, const char * shaderText, size_t shaderLength,
                              const char** textureNames, size_t textureNamesCount, const size_t *textureNamesLength,

                              const uint32_t * params, size_t paramLength)
     : Program(rsc, shaderText, shaderLength, params, paramLength) {
     mRSC->mHal.funcs.vertex.init(mRSC, this, mUserShader.string(), mUserShader.length(),
                                  textureNames, textureNamesCount, textureNamesLength);
 }

 ProgramVertex::~ProgramVertex() {
     mRSC->mHal.funcs.vertex.destroy(mRSC, this);
 }

 void ProgramVertex::setup(Context *rsc, ProgramVertexState *state) {
     if ((state->mLast.get() == this) && !mDirty) {
         return;
     }

     if (!isUserProgram()) {
         if (mHal.state.constants[0] == NULL) {
             rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                           "Unable to set fixed function emulation matrices because allocation is missing");
             return;
         }
         float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
         Matrix4x4 mvp;
         mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
         Matrix4x4 t;
         t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
         mvp.multiply(&t);
         for (uint32_t i = 0; i < 16; i ++) {
             f[RS_PROGRAM_VERTEX_MVP_OFFSET + i] = mvp.m[i];
         }
     }

     state->mLast.set(this);

     rsc->mHal.funcs.vertex.setActive(rsc, this);
 }

 void ProgramVertex::setProjectionMatrix(Context *rsc, const rsc_Matrix *m) const {
     if (isUserProgram()) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Attempting to set fixed function emulation matrix projection on user program");
         return;
     }
     if (mHal.state.constants[0] == NULL) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Unable to set fixed function emulation matrix projection because allocation is missing");
         return;
     }
     float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
     memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix));
     mDirty = true;
 }

 void ProgramVertex::setModelviewMatrix(Context *rsc, const rsc_Matrix *m) const {
     if (isUserProgram()) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Attempting to set fixed function emulation matrix modelview on user program");
         return;
     }
     if (mHal.state.constants[0] == NULL) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Unable to set fixed function emulation matrix modelview because allocation is missing");
         return;
     }
     float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
     memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix));
     mDirty = true;
 }

 void ProgramVertex::setTextureMatrix(Context *rsc, const rsc_Matrix *m) const {
     if (isUserProgram()) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Attempting to set fixed function emulation matrix texture on user program");
         return;
     }
     if (mHal.state.constants[0] == NULL) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Unable to set fixed function emulation matrix texture because allocation is missing");
         return;
     }
     float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
     memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix));
     mDirty = true;
 }

 void ProgramVertex::getProjectionMatrix(Context *rsc, rsc_Matrix *m) const {
     if (isUserProgram()) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Attempting to get fixed function emulation matrix projection on user program");
         return;
     }
     if (mHal.state.constants[0] == NULL) {
         rsc->setError(RS_ERROR_FATAL_UNKNOWN,
                       "Unable to get fixed function emulation matrix projection because allocation is missing");
         return;
     }
     float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
     memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix));
 }

 void ProgramVertex::transformToScreen(Context *rsc, float *v4out, const float *v3in) const {
     if (isUserProgram()) {
         return;
     }
     float *f = static_cast<float *>(mHal.state.constants[0]->getPtr());
     Matrix4x4 mvp;
     mvp.loadMultiply((Matrix4x4 *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET],
                      (Matrix4x4 *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
     mvp.vectorMultiply(v4out, v3in);
 }

 void ProgramVertex::serialize(OStream *stream) const {
 }

 ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) {
     return NULL;
 }


 ///////////////////////////////////////////////////////////////////////

 ProgramVertexState::ProgramVertexState() {
 }

 ProgramVertexState::~ProgramVertexState() {
 }

 void ProgramVertexState::init(Context *rsc) {
     ObjectBaseRef<const Element> matrixElem = Element::createRef(rsc, RS_TYPE_MATRIX_4X4,
                                                                  RS_KIND_USER, false, 1);
     ObjectBaseRef<const Element> f2Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
                                                              RS_KIND_USER, false, 2);
     ObjectBaseRef<const Element> f3Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
                                                              RS_KIND_USER, false, 3);
     ObjectBaseRef<const Element> f4Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
                                                              RS_KIND_USER, false, 4);

     Element::Builder constBuilder;
     constBuilder.add(matrixElem.get(), "MV", 1);
     constBuilder.add(matrixElem.get(), "P", 1);
     constBuilder.add(matrixElem.get(), "TexMatrix", 1);
     constBuilder.add(matrixElem.get(), "MVP", 1);
     ObjectBaseRef<const Element> constInput = constBuilder.create(rsc);

     Element::Builder inputBuilder;
     inputBuilder.add(f4Elem.get(), "position", 1);
     inputBuilder.add(f4Elem.get(), "color", 1);
     inputBuilder.add(f3Elem.get(), "normal", 1);
     inputBuilder.add(f2Elem.get(), "texture0", 1);
     ObjectBaseRef<const Element> attrElem = inputBuilder.create(rsc);

     ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1, 0, 0, false, false);

     String8 shaderString(RS_SHADER_INTERNAL);
     shaderString.append("varying vec4 varColor;\n");
     shaderString.append("varying vec2 varTex0;\n");
     shaderString.append("void main() {\n");
     shaderString.append("  gl_Position = UNI_MVP * ATTRIB_position;\n");
     shaderString.append("  gl_PointSize = 1.0;\n");
     shaderString.append("  varColor = ATTRIB_color;\n");
     shaderString.append("  varTex0 = ATTRIB_texture0;\n");
     shaderString.append("}\n");

     uint32_t tmp[4];
     tmp[0] = RS_PROGRAM_PARAM_CONSTANT;
     tmp[1] = (uint32_t)inputType.get();
     tmp[2] = RS_PROGRAM_PARAM_INPUT;
     tmp[3] = (uint32_t)attrElem.get();

     ProgramVertex *pv = new ProgramVertex(rsc, shaderString.string(), shaderString.length(),
                                           NULL, 0, NULL, tmp, 4);
     Allocation *alloc = Allocation::createAllocation(rsc, inputType.get(),
                               RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS);
     pv->bindAllocation(rsc, alloc, 0);

     mDefaultAlloc.set(alloc);
     mDefault.set(pv);

     updateSize(rsc);
 }

 void ProgramVertexState::updateSize(Context *rsc) {
     float *f = static_cast<float *>(mDefaultAlloc->getPtr());

     float surfaceWidth = (float)rsc->getCurrentSurfaceWidth();
     float surfaceHeight = (float)rsc->getCurrentSurfaceHeight();

     Matrix4x4 m;
     m.loadOrtho(0, surfaceWidth, surfaceHeight, 0, -1, 1);
     memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m.m, sizeof(m));
     memcpy(&f[RS_PROGRAM_VERTEX_MVP_OFFSET], m.m, sizeof(m));

     m.loadIdentity();
     memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m.m, sizeof(m));
     memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m.m, sizeof(m));
 }

 void ProgramVertexState::deinit(Context *rsc) {
     mDefaultAlloc.clear();
     mDefault.clear();
     mLast.clear();
 }


 namespace android {
 namespace renderscript {

 RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, const char * shaderText, size_t shaderLength,
                                         const char** textureNames, size_t textureNamesCount,
                                         const size_t *textureNamesLength,
                                         const uint32_t * params, size_t paramLength) {
     ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength,
                                           textureNames, textureNamesCount, textureNamesLength,
                                           params, paramLength);
     pv->incUserRef();
     return pv;
 }

 }
 }
	/*
	* Copyright (C) 2011 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "rsContext.h"
	#include "rsProgramVertex.h"
	#include "rsMatrix4x4.h"

	using namespace android;
	using namespace android::renderscript;


	ProgramVertex::ProgramVertex(Context rsc, const char shaderText, size_t shaderLength,
	const char** textureNames, size_t textureNamesCount, const size_t *textureNamesLength,

	const uint32_t * params, size_t paramLength)
	: Program(rsc, shaderText, shaderLength, params, paramLength) {
	mRSC->mHal.funcs.vertex.init(mRSC, this, mUserShader.string(), mUserShader.length(),
	textureNames, textureNamesCount, textureNamesLength);
	}

	ProgramVertex::~ProgramVertex() {
	mRSC->mHal.funcs.vertex.destroy(mRSC, this);
	}

	void ProgramVertex::setup(Context rsc, ProgramVertexState state) {
	if ((state->mLast.get() == this) && !mDirty) {
	return;
	}

	if (!isUserProgram()) {
	if (mHal.state.constants[0] == NULL) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Unable to set fixed function emulation matrices because allocation is missing");
	return;
	}
	float f = static_cast<float >(mHal.state.constants[0]->getPtr());
	Matrix4x4 mvp;
	mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
	Matrix4x4 t;
	t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]);
	mvp.multiply(&t);
	for (uint32_t i = 0; i < 16; i ++) {
	f[RS_PROGRAM_VERTEX_MVP_OFFSET + i] = mvp.m[i];
	}
	}

	state->mLast.set(this);

	rsc->mHal.funcs.vertex.setActive(rsc, this);
	}

	void ProgramVertex::setProjectionMatrix(Context rsc, const rsc_Matrix m) const {
	if (isUserProgram()) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Attempting to set fixed function emulation matrix projection on user program");
	return;
	}
	if (mHal.state.constants[0] == NULL) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Unable to set fixed function emulation matrix projection because allocation is missing");
	return;
	}
	float f = static_cast<float >(mHal.state.constants[0]->getPtr());
	memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix));
	mDirty = true;
	}

	void ProgramVertex::setModelviewMatrix(Context rsc, const rsc_Matrix m) const {
	if (isUserProgram()) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Attempting to set fixed function emulation matrix modelview on user program");
	return;
	}
	if (mHal.state.constants[0] == NULL) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Unable to set fixed function emulation matrix modelview because allocation is missing");
	return;
	}
	float f = static_cast<float >(mHal.state.constants[0]->getPtr());
	memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix));
	mDirty = true;
	}

	void ProgramVertex::setTextureMatrix(Context rsc, const rsc_Matrix m) const {
	if (isUserProgram()) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Attempting to set fixed function emulation matrix texture on user program");
	return;
	}
	if (mHal.state.constants[0] == NULL) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Unable to set fixed function emulation matrix texture because allocation is missing");
	return;
	}
	float f = static_cast<float >(mHal.state.constants[0]->getPtr());
	memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix));
	mDirty = true;
	}

	void ProgramVertex::getProjectionMatrix(Context rsc, rsc_Matrix m) const {
	if (isUserProgram()) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Attempting to get fixed function emulation matrix projection on user program");
	return;
	}
	if (mHal.state.constants[0] == NULL) {
	rsc->setError(RS_ERROR_FATAL_UNKNOWN,
	"Unable to get fixed function emulation matrix projection because allocation is missing");
	return;
	}
	float f = static_cast<float >(mHal.state.constants[0]->getPtr());
	memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix));
	}

	void ProgramVertex::transformToScreen(Context rsc, float v4out, const float *v3in) const {
	if (isUserProgram()) {
	return;
	}
	float f = static_cast<float >(mHal.state.constants[0]->getPtr());
	Matrix4x4 mvp;
	mvp.loadMultiply((Matrix4x4 *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET],
	(Matrix4x4 *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]);
	mvp.vectorMultiply(v4out, v3in);
	}

	void ProgramVertex::serialize(OStream *stream) const {
	}

	ProgramVertex ProgramVertex::createFromStream(Context rsc, IStream *stream) {
	return NULL;
	}


	///////////////////////////////////////////////////////////////////////

	ProgramVertexState::ProgramVertexState() {
	}

	ProgramVertexState::~ProgramVertexState() {
	}

	void ProgramVertexState::init(Context *rsc) {
	ObjectBaseRef<const Element> matrixElem = Element::createRef(rsc, RS_TYPE_MATRIX_4X4,
	RS_KIND_USER, false, 1);
	ObjectBaseRef<const Element> f2Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
	RS_KIND_USER, false, 2);
	ObjectBaseRef<const Element> f3Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
	RS_KIND_USER, false, 3);
	ObjectBaseRef<const Element> f4Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32,
	RS_KIND_USER, false, 4);

	Element::Builder constBuilder;
	constBuilder.add(matrixElem.get(), "MV", 1);
	constBuilder.add(matrixElem.get(), "P", 1);
	constBuilder.add(matrixElem.get(), "TexMatrix", 1);
	constBuilder.add(matrixElem.get(), "MVP", 1);
	ObjectBaseRef<const Element> constInput = constBuilder.create(rsc);

	Element::Builder inputBuilder;
	inputBuilder.add(f4Elem.get(), "position", 1);
	inputBuilder.add(f4Elem.get(), "color", 1);
	inputBuilder.add(f3Elem.get(), "normal", 1);
	inputBuilder.add(f2Elem.get(), "texture0", 1);
	ObjectBaseRef<const Element> attrElem = inputBuilder.create(rsc);

	ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1, 0, 0, false, false);

	String8 shaderString(RS_SHADER_INTERNAL);
	shaderString.append("varying vec4 varColor;\n");
	shaderString.append("varying vec2 varTex0;\n");
	shaderString.append("void main() {\n");
	shaderString.append(" gl_Position = UNI_MVP * ATTRIB_position;\n");
	shaderString.append(" gl_PointSize = 1.0;\n");
	shaderString.append(" varColor = ATTRIB_color;\n");
	shaderString.append(" varTex0 = ATTRIB_texture0;\n");
	shaderString.append("}\n");

	uint32_t tmp[4];
	tmp[0] = RS_PROGRAM_PARAM_CONSTANT;
	tmp[1] = (uint32_t)inputType.get();
	tmp[2] = RS_PROGRAM_PARAM_INPUT;
	tmp[3] = (uint32_t)attrElem.get();

	ProgramVertex *pv = new ProgramVertex(rsc, shaderString.string(), shaderString.length(),
	NULL, 0, NULL, tmp, 4);
	Allocation *alloc = Allocation::createAllocation(rsc, inputType.get(),
	RS_ALLOCATION_USAGE_SCRIPT \| RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS);
	pv->bindAllocation(rsc, alloc, 0);

	mDefaultAlloc.set(alloc);
	mDefault.set(pv);

	updateSize(rsc);
	}

	void ProgramVertexState::updateSize(Context *rsc) {
	float f = static_cast<float >(mDefaultAlloc->getPtr());

	float surfaceWidth = (float)rsc->getCurrentSurfaceWidth();
	float surfaceHeight = (float)rsc->getCurrentSurfaceHeight();

	Matrix4x4 m;
	m.loadOrtho(0, surfaceWidth, surfaceHeight, 0, -1, 1);
	memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m.m, sizeof(m));
	memcpy(&f[RS_PROGRAM_VERTEX_MVP_OFFSET], m.m, sizeof(m));

	m.loadIdentity();
	memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m.m, sizeof(m));
	memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m.m, sizeof(m));
	}

	void ProgramVertexState::deinit(Context *rsc) {
	mDefaultAlloc.clear();
	mDefault.clear();
	mLast.clear();
	}


	namespace android {
	namespace renderscript {

	RsProgramVertex rsi_ProgramVertexCreate(Context rsc, const char shaderText, size_t shaderLength,
	const char** textureNames, size_t textureNamesCount,
	const size_t *textureNamesLength,
	const uint32_t * params, size_t paramLength) {
	ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength,
	textureNames, textureNamesCount, textureNamesLength,
	params, paramLength);
	pv->incUserRef();
	return pv;
	}

	}
	}