Delete RenderEngine path for OpenGL ES 1.0/1.1

    RenderEngine/GLExtensions.cpp \

    RenderEngine/RenderEngine.cpp \

    RenderEngine/Texture.cpp \

    RenderEngine/GLES10RenderEngine.cpp \

    RenderEngine/GLES11RenderEngine.cpp \

    RenderEngine/GLES20RenderEngine.cpp \

LOCAL_MODULE := libsurfaceflinger

/*

 * Copyright 2013 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 <GLES/gl.h>

#include <cutils/compiler.h>

#include "GLES10RenderEngine.h"

// ---------------------------------------------------------------------------

namespace android {

// ---------------------------------------------------------------------------

GLES10RenderEngine::~GLES10RenderEngine() {

}

void GLES10RenderEngine::setupLayerBlending(

#ifdef USE_HWC2

    bool premultipliedAlpha, bool opaque, float alpha) {

#else

    bool premultipliedAlpha, bool opaque, int alpha) {

#endif

    // OpenGL ES 1.0 doesn't support texture combiners.

    // This path doesn't properly handle opaque layers that have non-opaque

    // alpha values. The alpha channel will be copied into the framebuffer or

    // screenshot, so if the framebuffer or screenshot is blended on top of

    // something else,  whatever is below the window will incorrectly show

    // through.

#ifdef USE_HWC2

    if (CC_UNLIKELY(alpha < 1.0f)) {

        if (premultipliedAlpha) {

            glColor4f(alpha, alpha, alpha, alpha);

        } else {

            glColor4f(1.0f, 1.0f, 1.0f, alpha);

        }

#else

    if (CC_UNLIKELY(alpha < 0xFF)) {

        GLfloat floatAlpha = alpha * (1.0f / 255.0f);

        if (premultipliedAlpha) {

            glColor4f(floatAlpha, floatAlpha, floatAlpha, floatAlpha);

        } else {

            glColor4f(1.0f, 1.0f, 1.0f, floatAlpha);

        }

#endif

        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

    } else {

        glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

    }

#ifdef USE_HWC2

    if (alpha < 1.0f || !opaque) {

#else

    if (alpha < 0xFF || !opaque) {

#endif

        glEnable(GL_BLEND);

        glBlendFunc(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA,

                    GL_ONE_MINUS_SRC_ALPHA);

    } else {

        glDisable(GL_BLEND);

    }

}

// ---------------------------------------------------------------------------

}; // namespace android

// ---------------------------------------------------------------------------

/*

 * Copyright 2013 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.

 */

#ifndef SF_GLES10RENDERENGINE_H_

#define SF_GLES10RENDERENGINE_H_

#include <stdint.h>

#include <sys/types.h>

#include "GLES11RenderEngine.h"

// ---------------------------------------------------------------------------

namespace android {

// ---------------------------------------------------------------------------

class GLES10RenderEngine : public GLES11RenderEngine {

    virtual ~GLES10RenderEngine();

protected:

#ifdef USE_HWC2

    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,

            float alpha) override;

#else

    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha);

#endif

};

// ---------------------------------------------------------------------------

}; // namespace android

// ---------------------------------------------------------------------------

#endif /* SF_GLES10RENDERENGINE_H_ */

/*

 * Copyright 2013 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 <GLES/gl.h>

#include <GLES/glext.h>

#include <ui/Rect.h>

#include <utils/String8.h>

#include <cutils/compiler.h>

#include <gui/ISurfaceComposer.h>

#include "GLES11RenderEngine.h"

#include "Mesh.h"

#include "Texture.h"

// ---------------------------------------------------------------------------

namespace android {

// ---------------------------------------------------------------------------

GLES11RenderEngine::GLES11RenderEngine() {

    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);

    glGetIntegerv(GL_MAX_VIEWPORT_DIMS, mMaxViewportDims);

    glPixelStorei(GL_UNPACK_ALIGNMENT, 4);

    glPixelStorei(GL_PACK_ALIGNMENT, 4);

    glEnableClientState(GL_VERTEX_ARRAY);

    glShadeModel(GL_FLAT);

    glDisable(GL_DITHER);

    glDisable(GL_CULL_FACE);

    const uint16_t protTexData[] = { 0 };

    glGenTextures(1, &mProtectedTexName);

    glBindTexture(GL_TEXTURE_2D, mProtectedTexName);

    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);

    glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 1, 0,

            GL_RGB, GL_UNSIGNED_SHORT_5_6_5, protTexData);

}

GLES11RenderEngine::~GLES11RenderEngine() {

}

size_t GLES11RenderEngine::getMaxTextureSize() const {

    return mMaxTextureSize;

}

size_t GLES11RenderEngine::getMaxViewportDims() const {

    return

        mMaxViewportDims[0] < mMaxViewportDims[1] ?

            mMaxViewportDims[0] : mMaxViewportDims[1];

}

void GLES11RenderEngine::setViewportAndProjection(

        size_t vpw, size_t vph, Rect sourceCrop, size_t hwh, bool yswap,

        Transform::orientation_flags rotation) {

    glViewport(0, 0, vpw, vph);

    glMatrixMode(GL_PROJECTION);

    glLoadIdentity();

    size_t l = sourceCrop.left;

    size_t r = sourceCrop.right;

    // In GL, (0, 0) is the bottom-left corner, so flip y coordinates

    size_t t = hwh - sourceCrop.top;

    size_t b = hwh - sourceCrop.bottom;

    if (yswap) {

        glOrthof(l, r, t, b, 0, 1);

    } else {

        glOrthof(l, r, b, t, 0, 1);

    }

    switch (rotation) {

        case Transform::ROT_0:

            break;

        case Transform::ROT_90:

            glRotatef(90, 0, 0, 1);

            break;

        case Transform::ROT_180:

            glRotatef(180, 0, 0, 1);

            break;

        case Transform::ROT_270:

            glRotatef(270, 0, 0, 1);

            break;

        default:

            break;

    }

    glMatrixMode(GL_MODELVIEW);

}

#ifdef USE_HWC2

void GLES11RenderEngine::setupLayerBlending(bool premultipliedAlpha,

        bool opaque, float alpha) {

#else

void GLES11RenderEngine::setupLayerBlending(

    bool premultipliedAlpha, bool opaque, int alpha) {

#endif

    GLenum combineRGB;

    GLenum combineAlpha;

    GLenum src0Alpha;

    GLfloat envColor[4];

#ifdef USE_HWC2

    if (CC_UNLIKELY(alpha < 1.0f)) {

#else

    if (CC_UNLIKELY(alpha < 0xFF)) {

#endif

        // Cv = premultiplied ? Cs*alpha : Cs

        // Av = !opaque       ? As*alpha : As

        combineRGB   = premultipliedAlpha ? GL_MODULATE : GL_REPLACE;

        combineAlpha = !opaque            ? GL_MODULATE : GL_REPLACE;

        src0Alpha    = GL_CONSTANT;

#ifdef USE_HWC2

        envColor[0]  = alpha;

#else

        envColor[0]  = alpha * (1.0f / 255.0f);

#endif

    } else {

        // Cv = Cs

        // Av = opaque ? 1.0 : As

        combineRGB   = GL_REPLACE;

        combineAlpha = GL_REPLACE;

        src0Alpha    = opaque ? GL_CONSTANT : GL_TEXTURE;

        envColor[0]  = 1.0f;

    }

    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);

    glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, combineRGB);

    glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);

    glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);

    if (combineRGB == GL_MODULATE) {

        glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_RGB, GL_CONSTANT);

        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);

    }

    glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, combineAlpha);

    glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, src0Alpha);

    glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);

    if (combineAlpha == GL_MODULATE) {

        glTexEnvi(GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE);

        glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA);

    }

    if (combineRGB == GL_MODULATE || src0Alpha == GL_CONSTANT) {

        envColor[1] = envColor[0];

        envColor[2] = envColor[0];

        envColor[3] = envColor[0];

        glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, envColor);

    }

#ifdef USE_HWC2

    if (alpha < 1.0f || !opaque) {

#else

    if (alpha < 0xFF || !opaque) {

#endif

        glEnable(GL_BLEND);

        glBlendFunc(premultipliedAlpha ? GL_ONE : GL_SRC_ALPHA,

                    GL_ONE_MINUS_SRC_ALPHA);

    } else {

        glDisable(GL_BLEND);

    }

}

#ifdef USE_HWC2

void GLES11RenderEngine::setupDimLayerBlending(float alpha) {

#else

void GLES11RenderEngine::setupDimLayerBlending(int alpha) {

#endif

    glDisable(GL_TEXTURE_EXTERNAL_OES);

    glDisable(GL_TEXTURE_2D);

#ifdef USE_HWC2

    if (alpha == 1.0f) {

#else

    if (alpha == 0xFF) {

#endif

        glDisable(GL_BLEND);

    } else {

        glEnable(GL_BLEND);

        glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);

    }

#ifdef USE_HWC2

    glColor4f(0, 0, 0, alpha);

#else

    glColor4f(0, 0, 0, alpha/255.0f);

#endif

}

void GLES11RenderEngine::setupLayerTexturing(const Texture& texture) {

    GLuint target = texture.getTextureTarget();

    glBindTexture(target, texture.getTextureName());

    GLenum filter = GL_NEAREST;

    if (texture.getFiltering()) {

        filter = GL_LINEAR;

    }

    glTexParameterx(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);

    glTexParameterx(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

    glTexParameterx(target, GL_TEXTURE_MAG_FILTER, filter);

    glTexParameterx(target, GL_TEXTURE_MIN_FILTER, filter);

    glMatrixMode(GL_TEXTURE);

    glLoadMatrixf(texture.getMatrix().asArray());

    glMatrixMode(GL_MODELVIEW);

    glDisable(GL_TEXTURE_2D);

    glEnable(GL_TEXTURE_EXTERNAL_OES);

}

void GLES11RenderEngine::setupLayerBlackedOut() {

    glBindTexture(GL_TEXTURE_2D, mProtectedTexName);

    glMatrixMode(GL_TEXTURE);

    glLoadIdentity();

    glMatrixMode(GL_MODELVIEW);

    glDisable(GL_TEXTURE_EXTERNAL_OES);

    glEnable(GL_TEXTURE_2D);

}

void GLES11RenderEngine::disableTexturing() {

    glDisable(GL_TEXTURE_EXTERNAL_OES);

    glDisable(GL_TEXTURE_2D);

}

void GLES11RenderEngine::disableBlending() {

    glDisable(GL_BLEND);

}

void GLES11RenderEngine::bindImageAsFramebuffer(EGLImageKHR image,

        uint32_t* texName, uint32_t* fbName, uint32_t* status) {

    GLuint tname, name;

    // turn our EGLImage into a texture

    glGenTextures(1, &tname);

    glBindTexture(GL_TEXTURE_2D, tname);

    glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image);

    // create a Framebuffer Object to render into

    glGenFramebuffersOES(1, &name);

    glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);

    glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,

            GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);

    *status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);

    *texName = tname;

    *fbName = name;

}

void GLES11RenderEngine::unbindFramebuffer(uint32_t texName, uint32_t fbName) {

    glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);

    glDeleteFramebuffersOES(1, &fbName);

    glDeleteTextures(1, &texName);

}

void GLES11RenderEngine::setupFillWithColor(float r, float g, float b, float a) {

    glColor4f(r, g, b, a);

    glDisable(GL_TEXTURE_EXTERNAL_OES);

    glDisable(GL_TEXTURE_2D);

    glDisable(GL_BLEND);

}

void GLES11RenderEngine::drawMesh(const Mesh& mesh) {

    if (mesh.getTexCoordsSize()) {

        glEnableClientState(GL_TEXTURE_COORD_ARRAY);

        glTexCoordPointer(mesh.getTexCoordsSize(),

                GL_FLOAT,

                mesh.getByteStride(),

                mesh.getTexCoords());

    }

    glVertexPointer(mesh.getVertexSize(),

            GL_FLOAT,

            mesh.getByteStride(),

            mesh.getPositions());

    glDrawArrays(mesh.getPrimitive(), 0, mesh.getVertexCount());

    if (mesh.getTexCoordsSize()) {

        glDisableClientState(GL_TEXTURE_COORD_ARRAY);

    }

}

void GLES11RenderEngine::dump(String8& result) {

    RenderEngine::dump(result);

}

// ---------------------------------------------------------------------------

}; // namespace android

// ---------------------------------------------------------------------------

#if defined(__gl2_h_)

#error "don't include gl2/gl2.h in this file"

#endif

/*

 * Copyright 2013 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.

 */

#ifndef SF_GLES11RENDERENGINE_H_

#define SF_GLES11RENDERENGINE_H_

#include <stdint.h>

#include <sys/types.h>

#include <GLES/gl.h>

#include <Transform.h>

#include "RenderEngine.h"

// ---------------------------------------------------------------------------

namespace android {

// ---------------------------------------------------------------------------

class String8;

class Mesh;

class Texture;

class GLES11RenderEngine : public RenderEngine {

    GLuint mProtectedTexName;

    GLint mMaxViewportDims[2];

    GLint mMaxTextureSize;

    virtual void bindImageAsFramebuffer(EGLImageKHR image,

            uint32_t* texName, uint32_t* fbName, uint32_t* status);

    virtual void unbindFramebuffer(uint32_t texName, uint32_t fbName);

public:

    GLES11RenderEngine();

protected:

    virtual ~GLES11RenderEngine();

    virtual void dump(String8& result);

    virtual void setViewportAndProjection(size_t vpw, size_t vph,

            Rect sourceCrop, size_t hwh, bool yswap,

            Transform::orientation_flags rotation);

#ifdef USE_HWC2

    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,

            float alpha) override;

    virtual void setupDimLayerBlending(float alpha) override;

#else

    virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque,

            int alpha);

    virtual void setupDimLayerBlending(int alpha);

#endif

    virtual void setupLayerTexturing(const Texture& texture);

    virtual void setupLayerBlackedOut();

    virtual void setupFillWithColor(float r, float g, float b, float a) ;

    virtual void disableTexturing();

    virtual void disableBlending();

    virtual void drawMesh(const Mesh& mesh);

    virtual size_t getMaxTextureSize() const;

    virtual size_t getMaxViewportDims() const;

};

// ---------------------------------------------------------------------------

}; // namespace android

// ---------------------------------------------------------------------------

#endif /* SF_GLES11RENDERENGINE_H_ */