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Diffstat (limited to 'emulator/opengl/host/libs/libOpenglRender/ColorBuffer.cpp')
-rw-r--r--emulator/opengl/host/libs/libOpenglRender/ColorBuffer.cpp352
1 files changed, 0 insertions, 352 deletions
diff --git a/emulator/opengl/host/libs/libOpenglRender/ColorBuffer.cpp b/emulator/opengl/host/libs/libOpenglRender/ColorBuffer.cpp
deleted file mode 100644
index e612294..0000000
--- a/emulator/opengl/host/libs/libOpenglRender/ColorBuffer.cpp
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
-* 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 "ColorBuffer.h"
-#include "FrameBuffer.h"
-#include "EGLDispatch.h"
-#include "GLDispatch.h"
-#include "ThreadInfo.h"
-#include "GLcommon/GLutils.h"
-#ifdef WITH_GLES2
-#include "GL2Dispatch.h"
-#endif
-#include <stdio.h>
-
-ColorBuffer *ColorBuffer::create(int p_width, int p_height,
- GLenum p_internalFormat)
-{
- FrameBuffer *fb = FrameBuffer::getFB();
-
- GLenum texInternalFormat = 0;
-
- switch(p_internalFormat) {
- case GL_RGB:
- case GL_RGB565_OES:
- texInternalFormat = GL_RGB;
- break;
-
- case GL_RGBA:
- case GL_RGB5_A1_OES:
- case GL_RGBA4_OES:
- texInternalFormat = GL_RGBA;
- break;
-
- default:
- return NULL;
- break;
- }
-
- if (!fb->bind_locked()) {
- return NULL;
- }
-
- ColorBuffer *cb = new ColorBuffer();
-
-
- s_gl.glGenTextures(1, &cb->m_tex);
- s_gl.glBindTexture(GL_TEXTURE_2D, cb->m_tex);
- int nComp = (texInternalFormat == GL_RGB ? 3 : 4);
- char *zBuff = new char[nComp*p_width*p_height];
- if (zBuff) {
- memset(zBuff, 0, nComp*p_width*p_height);
- }
- s_gl.glTexImage2D(GL_TEXTURE_2D, 0, texInternalFormat,
- p_width, p_height, 0,
- texInternalFormat,
- GL_UNSIGNED_BYTE, zBuff);
- delete [] zBuff;
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- s_gl.glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
- //
- // create another texture for that colorbuffer for blit
- //
- s_gl.glGenTextures(1, &cb->m_blitTex);
- s_gl.glBindTexture(GL_TEXTURE_2D, cb->m_blitTex);
- s_gl.glTexImage2D(GL_TEXTURE_2D, 0, texInternalFormat,
- p_width, p_height, 0,
- texInternalFormat,
- GL_UNSIGNED_BYTE, NULL);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- s_gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- s_gl.glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-
- cb->m_width = p_width;
- cb->m_height = p_height;
- cb->m_internalFormat = texInternalFormat;
-
- if (fb->getCaps().has_eglimage_texture_2d) {
- cb->m_eglImage = s_egl.eglCreateImageKHR(
- fb->getDisplay(),
- s_egl.eglGetCurrentContext(),
- EGL_GL_TEXTURE_2D_KHR,
- (EGLClientBuffer)SafePointerFromUInt(cb->m_tex),
- NULL);
-
- cb->m_blitEGLImage = s_egl.eglCreateImageKHR(
- fb->getDisplay(),
- s_egl.eglGetCurrentContext(),
- EGL_GL_TEXTURE_2D_KHR,
- (EGLClientBuffer)SafePointerFromUInt(cb->m_blitTex),
- NULL);
- }
-
- fb->unbind_locked();
- return cb;
-}
-
-ColorBuffer::ColorBuffer() :
- m_tex(0),
- m_blitTex(0),
- m_eglImage(NULL),
- m_blitEGLImage(NULL),
- m_fbo(0),
- m_internalFormat(0)
-{
-}
-
-ColorBuffer::~ColorBuffer()
-{
- FrameBuffer *fb = FrameBuffer::getFB();
- fb->bind_locked();
-
- if (m_blitEGLImage) {
- s_egl.eglDestroyImageKHR(fb->getDisplay(), m_blitEGLImage);
- }
- if (m_eglImage) {
- s_egl.eglDestroyImageKHR(fb->getDisplay(), m_eglImage);
- }
-
- if (m_fbo) {
- s_gl.glDeleteFramebuffersOES(1, &m_fbo);
- }
-
- GLuint tex[2] = {m_tex, m_blitTex};
- s_gl.glDeleteTextures(2, tex);
-
- fb->unbind_locked();
-}
-
-void ColorBuffer::subUpdate(int x, int y, int width, int height, GLenum p_format, GLenum p_type, void *pixels)
-{
- FrameBuffer *fb = FrameBuffer::getFB();
- if (!fb->bind_locked()) return;
- s_gl.glBindTexture(GL_TEXTURE_2D, m_tex);
- s_gl.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- s_gl.glTexSubImage2D(GL_TEXTURE_2D, 0, x, y,
- width, height, p_format, p_type, pixels);
- fb->unbind_locked();
-}
-
-bool ColorBuffer::blitFromCurrentReadBuffer()
-{
- RenderThreadInfo *tInfo = RenderThreadInfo::get();
- if (!tInfo->currContext.Ptr()) {
- // no Current context
- return false;
- }
-
- //
- // Create a temporary texture inside the current context
- // from the blit_texture EGLImage and copy the pixels
- // from the current read buffer to that texture
- //
- GLuint tmpTex;
- GLint currTexBind;
- if (tInfo->currContext->isGL2()) {
- s_gl2.glGetIntegerv(GL_TEXTURE_BINDING_2D, &currTexBind);
- s_gl2.glGenTextures(1,&tmpTex);
- s_gl2.glBindTexture(GL_TEXTURE_2D, tmpTex);
- s_gl2.glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_blitEGLImage);
- s_gl2.glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0,
- m_width, m_height);
- }
- else {
- s_gl.glGetIntegerv(GL_TEXTURE_BINDING_2D, &currTexBind);
- s_gl.glGenTextures(1,&tmpTex);
- s_gl.glBindTexture(GL_TEXTURE_2D, tmpTex);
- s_gl.glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_blitEGLImage);
- s_gl.glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0,
- m_width, m_height);
- }
-
-
- //
- // Now bind the frame buffer context and blit from
- // m_blitTex into m_tex
- //
- FrameBuffer *fb = FrameBuffer::getFB();
- if (fb->bind_locked()) {
-
- //
- // bind FBO object which has this colorbuffer as render target
- //
- if (bind_fbo()) {
-
- //
- // save current viewport and match it to the current
- // colorbuffer size
- //
- GLint vport[4] = {};
- s_gl.glGetIntegerv(GL_VIEWPORT, vport);
- s_gl.glViewport(0, 0, m_width, m_height);
-
- // render m_blitTex
- s_gl.glBindTexture(GL_TEXTURE_2D, m_blitTex);
- s_gl.glEnable(GL_TEXTURE_2D);
- s_gl.glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- drawTexQuad(); // this will render the texture flipped
-
- // unbind the fbo
- s_gl.glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
-
- // restrore previous viewport
- s_gl.glViewport(vport[0], vport[1], vport[2], vport[3]);
- }
-
- // unbind from the FrameBuffer context
- fb->unbind_locked();
- }
-
- //
- // delete the temporary texture and restore the texture binding
- // inside the current context
- //
- if (tInfo->currContext->isGL2()) {
- s_gl2.glDeleteTextures(1, &tmpTex);
- s_gl2.glBindTexture(GL_TEXTURE_2D, currTexBind);
- }
- else {
- s_gl.glDeleteTextures(1, &tmpTex);
- s_gl.glBindTexture(GL_TEXTURE_2D, currTexBind);
- }
-
- return true;
-}
-
-bool ColorBuffer::bindToTexture()
-{
- if (m_eglImage) {
- RenderThreadInfo *tInfo = RenderThreadInfo::get();
- if (tInfo->currContext.Ptr()) {
-#ifdef WITH_GLES2
- if (tInfo->currContext->isGL2()) {
- s_gl2.glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_eglImage);
- }
- else {
- s_gl.glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_eglImage);
- }
-#else
- s_gl.glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_eglImage);
-#endif
- return true;
- }
- }
- return false;
-}
-
-bool ColorBuffer::bindToRenderbuffer()
-{
- if (m_eglImage) {
- RenderThreadInfo *tInfo = RenderThreadInfo::get();
- if (tInfo->currContext.Ptr()) {
-#ifdef WITH_GLES2
- if (tInfo->currContext->isGL2()) {
- s_gl2.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER_OES, m_eglImage);
- }
- else {
- s_gl.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER_OES, m_eglImage);
- }
-#else
- s_gl.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER_OES, m_eglImage);
-#endif
- return true;
- }
- }
- return false;
-}
-
-bool ColorBuffer::bind_fbo()
-{
- if (m_fbo) {
- // fbo already exist - just bind
- s_gl.glBindFramebufferOES(GL_FRAMEBUFFER_OES, m_fbo);
- return true;
- }
-
- s_gl.glGenFramebuffersOES(1, &m_fbo);
- s_gl.glBindFramebufferOES(GL_FRAMEBUFFER_OES, m_fbo);
- s_gl.glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
- GL_COLOR_ATTACHMENT0_OES,
- GL_TEXTURE_2D, m_tex, 0);
- GLenum status = s_gl.glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
- if (status != GL_FRAMEBUFFER_COMPLETE_OES) {
- ERR("ColorBuffer::bind_fbo: FBO not complete: %#x\n", status);
- s_gl.glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
- s_gl.glDeleteFramebuffersOES(1, &m_fbo);
- m_fbo = 0;
- return false;
- }
-
- return true;
-}
-
-bool ColorBuffer::post()
-{
- s_gl.glBindTexture(GL_TEXTURE_2D, m_tex);
- s_gl.glEnable(GL_TEXTURE_2D);
- s_gl.glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- drawTexQuad();
-
- return true;
-}
-
-void ColorBuffer::drawTexQuad()
-{
- GLfloat verts[] = { -1.0f, -1.0f, 0.0f,
- -1.0f, +1.0f, 0.0f,
- +1.0f, -1.0f, 0.0f,
- +1.0f, +1.0f, 0.0f };
-
- GLfloat tcoords[] = { 0.0f, 1.0f,
- 0.0f, 0.0f,
- 1.0f, 1.0f,
- 1.0f, 0.0f };
-
- s_gl.glClientActiveTexture(GL_TEXTURE0);
- s_gl.glEnableClientState(GL_TEXTURE_COORD_ARRAY);
- s_gl.glTexCoordPointer(2, GL_FLOAT, 0, tcoords);
-
- s_gl.glEnableClientState(GL_VERTEX_ARRAY);
- s_gl.glVertexPointer(3, GL_FLOAT, 0, verts);
- s_gl.glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-}
-
-void ColorBuffer::readback(unsigned char* img)
-{
- FrameBuffer *fb = FrameBuffer::getFB();
- if (fb->bind_locked()) {
- if (bind_fbo()) {
- s_gl.glReadPixels(0, 0, m_width, m_height,
- GL_RGBA, GL_UNSIGNED_BYTE, img);
- }
- fb->unbind_locked();
- }
-}
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