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LinuxRendererGLES.cpp
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LinuxRendererGLES.cpp
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/*
* Copyright (C) 2010 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "system.h"
#if (defined HAVE_CONFIG_H) && (!defined WIN32)
#include "config.h"
#endif
#if HAS_GLES == 2
#include "system_gl.h"
#include <locale.h>
#include "guilib/MatrixGLES.h"
#include "LinuxRendererGLES.h"
#include "utils/fastmemcpy.h"
#include "utils/MathUtils.h"
#include "utils/GLUtils.h"
#include "settings/Settings.h"
#include "settings/AdvancedSettings.h"
#include "settings/GUISettings.h"
#include "guilib/FrameBufferObject.h"
#include "VideoShaders/YUV2RGBShader.h"
#include "VideoShaders/VideoFilterShader.h"
#include "windowing/WindowingFactory.h"
#include "dialogs/GUIDialogKaiToast.h"
#include "guilib/Texture.h"
#include "lib/DllSwScale.h"
#include "../dvdplayer/DVDCodecs/Video/OpenMaxVideo.h"
#include "threads/SingleLock.h"
#include "RenderCapture.h"
#include "RenderFormats.h"
#if defined(__ARM_NEON__)
#include "yuv2rgb.neon.h"
#include "utils/CPUInfo.h"
#endif
#ifdef HAVE_VIDEOTOOLBOXDECODER
#include "DVDCodecs/Video/DVDVideoCodecVideoToolBox.h"
#include <CoreVideo/CoreVideo.h>
#endif
#ifdef TARGET_DARWIN_IOS
#include "osx/DarwinUtils.h"
#endif
using namespace Shaders;
CLinuxRendererGLES::YUVBUFFER::YUVBUFFER()
{
memset(&fields, 0, sizeof(fields));
memset(&image , 0, sizeof(image));
flipindex = 0;
}
CLinuxRendererGLES::YUVBUFFER::~YUVBUFFER()
{
}
CLinuxRendererGLES::CLinuxRendererGLES()
{
m_textureTarget = GL_TEXTURE_2D;
for (int i = 0; i < NUM_BUFFERS; i++)
{
m_eventTexturesDone[i] = new CEvent(false,true);
#if defined(HAVE_LIBOPENMAX)
m_buffers[i].openMaxBuffer = 0;
#endif
#ifdef HAVE_VIDEOTOOLBOXDECODER
m_buffers[i].cvBufferRef = NULL;
#endif
}
m_renderMethod = RENDER_GLSL;
m_renderQuality = RQ_SINGLEPASS;
m_iFlags = 0;
m_format = RENDER_FMT_NONE;
m_iYV12RenderBuffer = 0;
m_flipindex = 0;
m_currentField = FIELD_FULL;
m_reloadShaders = 0;
m_pYUVShader = NULL;
m_pVideoFilterShader = NULL;
m_scalingMethod = VS_SCALINGMETHOD_LINEAR;
m_scalingMethodGui = (ESCALINGMETHOD)-1;
// default texture handlers to YUV
m_textureUpload = &CLinuxRendererGLES::UploadYV12Texture;
m_textureCreate = &CLinuxRendererGLES::CreateYV12Texture;
m_textureDelete = &CLinuxRendererGLES::DeleteYV12Texture;
m_rgbBuffer = NULL;
m_rgbBufferSize = 0;
m_dllSwScale = new DllSwScale;
m_sw_context = NULL;
}
CLinuxRendererGLES::~CLinuxRendererGLES()
{
UnInit();
for (int i = 0; i < NUM_BUFFERS; i++)
delete m_eventTexturesDone[i];
if (m_rgbBuffer != NULL) {
delete [] m_rgbBuffer;
m_rgbBuffer = NULL;
}
if (m_pYUVShader)
{
m_pYUVShader->Free();
delete m_pYUVShader;
m_pYUVShader = NULL;
}
delete m_dllSwScale;
}
void CLinuxRendererGLES::ManageTextures()
{
m_NumYV12Buffers = 2;
//m_iYV12RenderBuffer = 0;
return;
}
bool CLinuxRendererGLES::ValidateRenderTarget()
{
if (!m_bValidated)
{
CLog::Log(LOGNOTICE,"Using GL_TEXTURE_2D");
// create the yuv textures
LoadShaders();
for (int i = 0 ; i < m_NumYV12Buffers ; i++)
(this->*m_textureCreate)(i);
m_bValidated = true;
return true;
}
return false;
}
bool CLinuxRendererGLES::Configure(unsigned int width, unsigned int height, unsigned int d_width, unsigned int d_height, float fps, unsigned flags, ERenderFormat format, unsigned extended_format)
{
m_sourceWidth = width;
m_sourceHeight = height;
// Save the flags.
m_iFlags = flags;
m_format = format;
// Calculate the input frame aspect ratio.
CalculateFrameAspectRatio(d_width, d_height);
ChooseBestResolution(fps);
SetViewMode(g_settings.m_currentVideoSettings.m_ViewMode);
ManageDisplay();
m_bConfigured = true;
m_bImageReady = false;
m_scalingMethodGui = (ESCALINGMETHOD)-1;
// Ensure that textures are recreated and rendering starts only after the 1st
// frame is loaded after every call to Configure().
m_bValidated = false;
for (int i = 0 ; i<m_NumYV12Buffers ; i++)
m_buffers[i].image.flags = 0;
m_iLastRenderBuffer = -1;
m_RenderUpdateCallBackFn = NULL;
m_RenderUpdateCallBackCtx = NULL;
return true;
}
int CLinuxRendererGLES::NextYV12Texture()
{
return (m_iYV12RenderBuffer + 1) % m_NumYV12Buffers;
}
int CLinuxRendererGLES::GetImage(YV12Image *image, int source, bool readonly)
{
if (!image) return -1;
if (!m_bValidated) return -1;
/* take next available buffer */
if( source == AUTOSOURCE )
source = NextYV12Texture();
if ( m_renderMethod & RENDER_OMXEGL )
{
return source;
}
#ifdef HAVE_VIDEOTOOLBOXDECODER
if (m_renderMethod & RENDER_CVREF )
{
return source;
}
#endif
YV12Image &im = m_buffers[source].image;
if ((im.flags&(~IMAGE_FLAG_READY)) != 0)
{
CLog::Log(LOGDEBUG, "CLinuxRenderer::GetImage - request image but none to give");
return -1;
}
if( readonly )
im.flags |= IMAGE_FLAG_READING;
else
{
if( !m_eventTexturesDone[source]->WaitMSec(500) )
CLog::Log(LOGWARNING, "%s - Timeout waiting for texture %d", __FUNCTION__, source);
im.flags |= IMAGE_FLAG_WRITING;
}
// copy the image - should be operator of YV12Image
for (int p=0;p<MAX_PLANES;p++)
{
image->plane[p] = im.plane[p];
image->stride[p] = im.stride[p];
}
image->width = im.width;
image->height = im.height;
image->flags = im.flags;
image->cshift_x = im.cshift_x;
image->cshift_y = im.cshift_y;
image->bpp = 1;
return source;
return -1;
}
void CLinuxRendererGLES::ReleaseImage(int source, bool preserve)
{
YV12Image &im = m_buffers[source].image;
if( im.flags & IMAGE_FLAG_WRITING )
m_eventTexturesDone[source]->Set();
im.flags &= ~IMAGE_FLAG_INUSE;
im.flags |= IMAGE_FLAG_READY;
/* if image should be preserved reserve it so it's not auto seleceted */
if( preserve )
im.flags |= IMAGE_FLAG_RESERVED;
m_bImageReady = true;
}
void CLinuxRendererGLES::CalculateTextureSourceRects(int source, int num_planes)
{
YUVBUFFER& buf = m_buffers[source];
YV12Image* im = &buf.image;
YUVFIELDS& fields = buf.fields;
// calculate the source rectangle
for(int field = 0; field < 3; field++)
{
for(int plane = 0; plane < num_planes; plane++)
{
YUVPLANE& p = fields[field][plane];
p.rect = m_sourceRect;
p.width = im->width;
p.height = im->height;
if(field != FIELD_FULL)
{
/* correct for field offsets and chroma offsets */
float offset_y = 0.5;
if(plane != 0)
offset_y += 0.5;
if(field == FIELD_BOT)
offset_y *= -1;
p.rect.y1 += offset_y;
p.rect.y2 += offset_y;
/* half the height if this is a field */
p.height *= 0.5f;
p.rect.y1 *= 0.5f;
p.rect.y2 *= 0.5f;
}
if(plane != 0)
{
p.width /= 1 << im->cshift_x;
p.height /= 1 << im->cshift_y;
p.rect.x1 /= 1 << im->cshift_x;
p.rect.x2 /= 1 << im->cshift_x;
p.rect.y1 /= 1 << im->cshift_y;
p.rect.y2 /= 1 << im->cshift_y;
}
if (m_textureTarget == GL_TEXTURE_2D)
{
p.height /= p.texheight;
p.rect.y1 /= p.texheight;
p.rect.y2 /= p.texheight;
p.width /= p.texwidth;
p.rect.x1 /= p.texwidth;
p.rect.x2 /= p.texwidth;
}
}
}
}
void CLinuxRendererGLES::LoadPlane( YUVPLANE& plane, int type, unsigned flipindex
, unsigned width, unsigned height
, int stride, void* data )
{
if(plane.flipindex == flipindex)
return;
const GLvoid *pixelData = data;
int bps = glFormatElementByteCount(type);
glBindTexture(m_textureTarget, plane.id);
// OpenGL ES does not support strided texture input.
if(stride != width * bps)
{
unsigned char* src = (unsigned char*)data;
for (int y = 0; y < height;++y, src += stride)
glTexSubImage2D(m_textureTarget, 0, 0, y, width, 1, type, GL_UNSIGNED_BYTE, src);
} else {
glTexSubImage2D(m_textureTarget, 0, 0, 0, width, height, type, GL_UNSIGNED_BYTE, pixelData);
}
/* check if we need to load any border pixels */
if(height < plane.texheight)
glTexSubImage2D( m_textureTarget, 0
, 0, height, width, 1
, type, GL_UNSIGNED_BYTE
, (unsigned char*)pixelData + stride * (height-1));
if(width < plane.texwidth)
glTexSubImage2D( m_textureTarget, 0
, width, 0, 1, height
, type, GL_UNSIGNED_BYTE
, (unsigned char*)pixelData + bps * (width-1));
glBindTexture(m_textureTarget, 0);
plane.flipindex = flipindex;
}
void CLinuxRendererGLES::Reset()
{
for(int i=0; i<m_NumYV12Buffers; i++)
{
/* reset all image flags, this will cleanup textures later */
m_buffers[i].image.flags = 0;
/* reset texture locks, a bit ugly, could result in tearing */
m_eventTexturesDone[i]->Set();
}
}
void CLinuxRendererGLES::Update(bool bPauseDrawing)
{
if (!m_bConfigured) return;
ManageDisplay();
ManageTextures();
}
void CLinuxRendererGLES::RenderUpdate(bool clear, DWORD flags, DWORD alpha)
{
if (!m_bConfigured) return;
// if its first pass, just init textures and return
if (ValidateRenderTarget())
return;
if (m_renderMethod & RENDER_BYPASS)
{
ManageDisplay();
ManageTextures();
// if running bypass, then the player might need the src/dst rects
// for sizing video playback on a layer other than the gles layer.
if (m_RenderUpdateCallBackFn)
(*m_RenderUpdateCallBackFn)(m_RenderUpdateCallBackCtx, m_sourceRect, m_destRect);
g_graphicsContext.BeginPaint();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
g_graphicsContext.EndPaint();
return;
}
// this needs to be checked after texture validation
if (!m_bImageReady) return;
int index = m_iYV12RenderBuffer;
YUVBUFFER& buf = m_buffers[index];
if (m_format != RENDER_FMT_OMXEGL)
{
if (!buf.fields[FIELD_FULL][0].id) return;
}
if (buf.image.flags==0)
return;
ManageDisplay();
ManageTextures();
g_graphicsContext.BeginPaint();
if( !m_eventTexturesDone[index]->WaitMSec(500))
{
CLog::Log(LOGWARNING, "%s - Timeout waiting for texture %d", __FUNCTION__, index);
// render the previous frame if this one isn't ready yet
if (m_iLastRenderBuffer > -1)
{
m_iYV12RenderBuffer = m_iLastRenderBuffer;
index = m_iYV12RenderBuffer;
}
}
else
m_iLastRenderBuffer = index;
if (clear)
{
glClearColor(m_clearColour, m_clearColour, m_clearColour, 0);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0,0,0,0);
}
if (alpha<255)
{
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (m_pYUVShader)
m_pYUVShader->SetAlpha(alpha / 255.0f);
}
else
{
glDisable(GL_BLEND);
if (m_pYUVShader)
m_pYUVShader->SetAlpha(1.0f);
}
if ((flags & RENDER_FLAG_TOP) && (flags & RENDER_FLAG_BOT))
CLog::Log(LOGERROR, "GLES: Cannot render stipple!");
else
Render(flags, index);
VerifyGLState();
glEnable(GL_BLEND);
g_graphicsContext.EndPaint();
}
void CLinuxRendererGLES::FlipPage(int source)
{
if( source >= 0 && source < m_NumYV12Buffers )
m_iYV12RenderBuffer = source;
else
m_iYV12RenderBuffer = NextYV12Texture();
m_buffers[m_iYV12RenderBuffer].flipindex = ++m_flipindex;
return;
}
unsigned int CLinuxRendererGLES::PreInit()
{
CSingleLock lock(g_graphicsContext);
m_bConfigured = false;
m_bValidated = false;
UnInit();
m_resolution = g_guiSettings.m_LookAndFeelResolution;
if ( m_resolution == RES_WINDOW )
m_resolution = RES_DESKTOP;
m_iYV12RenderBuffer = 0;
m_NumYV12Buffers = 2;
m_formats.push_back(RENDER_FMT_YUV420P);
m_formats.push_back(RENDER_FMT_BYPASS);
#if defined(HAVE_LIBOPENMAX)
m_formats.push_back(RENDER_FMT_OMXEGL);
#endif
#ifdef HAVE_VIDEOTOOLBOXDECODER
m_formats.push_back(RENDER_FMT_CVBREF);
#endif
// setup the background colour
m_clearColour = (float)(g_advancedSettings.m_videoBlackBarColour & 0xff) / 0xff;
if (!m_dllSwScale->Load())
CLog::Log(LOGERROR,"CLinuxRendererGL::PreInit - failed to load rescale libraries!");
return true;
}
void CLinuxRendererGLES::UpdateVideoFilter()
{
if (m_scalingMethodGui == g_settings.m_currentVideoSettings.m_ScalingMethod)
return;
m_scalingMethodGui = g_settings.m_currentVideoSettings.m_ScalingMethod;
m_scalingMethod = m_scalingMethodGui;
if(!Supports(m_scalingMethod))
{
CLog::Log(LOGWARNING, "CLinuxRendererGLES::UpdateVideoFilter - choosen scaling method %d, is not supported by renderer", (int)m_scalingMethod);
m_scalingMethod = VS_SCALINGMETHOD_LINEAR;
}
if (m_pVideoFilterShader)
{
m_pVideoFilterShader->Free();
delete m_pVideoFilterShader;
m_pVideoFilterShader = NULL;
}
m_fbo.Cleanup();
VerifyGLState();
switch (m_scalingMethod)
{
case VS_SCALINGMETHOD_NEAREST:
SetTextureFilter(GL_NEAREST);
m_renderQuality = RQ_SINGLEPASS;
return;
case VS_SCALINGMETHOD_LINEAR:
SetTextureFilter(GL_LINEAR);
m_renderQuality = RQ_SINGLEPASS;
return;
case VS_SCALINGMETHOD_CUBIC:
CLog::Log(LOGERROR, "GLES: CUBIC not supported!");
break;
case VS_SCALINGMETHOD_LANCZOS2:
case VS_SCALINGMETHOD_LANCZOS3:
case VS_SCALINGMETHOD_SINC8:
case VS_SCALINGMETHOD_NEDI:
CLog::Log(LOGERROR, "GL: TODO: This scaler has not yet been implemented");
break;
default:
break;
}
CGUIDialogKaiToast::QueueNotification("Video Renderering", "Failed to init video filters/scalers, falling back to bilinear scaling");
CLog::Log(LOGERROR, "GL: Falling back to bilinear due to failure to init scaler");
if (m_pVideoFilterShader)
{
m_pVideoFilterShader->Free();
delete m_pVideoFilterShader;
m_pVideoFilterShader = NULL;
}
m_fbo.Cleanup();
SetTextureFilter(GL_LINEAR);
m_renderQuality = RQ_SINGLEPASS;
}
void CLinuxRendererGLES::LoadShaders(int field)
{
#ifdef TARGET_DARWIN_IOS
float ios_version = GetIOSVersion();
#endif
int requestedMethod = g_guiSettings.GetInt("videoplayer.rendermethod");
CLog::Log(LOGDEBUG, "GL: Requested render method: %d", requestedMethod);
if (m_pYUVShader)
{
m_pYUVShader->Free();
delete m_pYUVShader;
m_pYUVShader = NULL;
}
switch(requestedMethod)
{
case RENDER_METHOD_AUTO:
case RENDER_METHOD_GLSL:
if (m_format == RENDER_FMT_OMXEGL)
{
CLog::Log(LOGNOTICE, "GL: Using OMXEGL RGBA render method");
m_renderMethod = RENDER_OMXEGL;
break;
}
else if (m_format == RENDER_FMT_BYPASS)
{
CLog::Log(LOGNOTICE, "GL: Using BYPASS render method");
m_renderMethod = RENDER_BYPASS;
break;
}
else if (m_format == RENDER_FMT_CVBREF)
{
CLog::Log(LOGNOTICE, "GL: Using CoreVideoRef RGBA render method");
m_renderMethod = RENDER_CVREF;
break;
}
#if defined(TARGET_DARWIN_IOS)
else if (ios_version < 5.0 && m_format == RENDER_FMT_YUV420P)
{
CLog::Log(LOGNOTICE, "GL: Using software color conversion/RGBA render method");
m_renderMethod = RENDER_SW;
break;
}
#endif
// Try GLSL shaders if supported and user requested auto or GLSL.
if (glCreateProgram)
{
// create regular progressive scan shader
m_pYUVShader = new YUV2RGBProgressiveShader(false, m_iFlags, m_format);
CLog::Log(LOGNOTICE, "GL: Selecting Single Pass YUV 2 RGB shader");
if (m_pYUVShader && m_pYUVShader->CompileAndLink())
{
m_renderMethod = RENDER_GLSL;
UpdateVideoFilter();
break;
}
else
{
m_pYUVShader->Free();
delete m_pYUVShader;
m_pYUVShader = NULL;
CLog::Log(LOGERROR, "GL: Error enabling YUV2RGB GLSL shader");
// drop through and try SW
}
}
case RENDER_METHOD_SOFTWARE:
default:
{
// Use software YUV 2 RGB conversion if user requested it or GLSL failed
m_renderMethod = RENDER_SW ;
CLog::Log(LOGNOTICE, "GL: Using software color conversion/RGBA rendering");
}
}
// determine whether GPU supports NPOT textures
if (!g_Windowing.IsExtSupported("GL_TEXTURE_NPOT"))
{
CLog::Log(LOGNOTICE, "GL: GL_ARB_texture_rectangle not supported and OpenGL version is not 2.x");
CLog::Log(LOGNOTICE, "GL: Reverting to POT textures");
m_renderMethod |= RENDER_POT;
}
else
CLog::Log(LOGNOTICE, "GL: NPOT texture support detected");
// Now that we now the render method, setup texture function handlers
if (m_format == RENDER_FMT_CVBREF)
{
m_textureUpload = &CLinuxRendererGLES::UploadCVRefTexture;
m_textureCreate = &CLinuxRendererGLES::CreateCVRefTexture;
m_textureDelete = &CLinuxRendererGLES::DeleteCVRefTexture;
}
else if (m_format == RENDER_FMT_BYPASS)
{
m_textureUpload = &CLinuxRendererGLES::UploadBYPASSTexture;
m_textureCreate = &CLinuxRendererGLES::CreateBYPASSTexture;
m_textureDelete = &CLinuxRendererGLES::DeleteBYPASSTexture;
}
else
{
// default to YV12 texture handlers
m_textureUpload = &CLinuxRendererGLES::UploadYV12Texture;
m_textureCreate = &CLinuxRendererGLES::CreateYV12Texture;
m_textureDelete = &CLinuxRendererGLES::DeleteYV12Texture;
}
}
void CLinuxRendererGLES::UnInit()
{
CLog::Log(LOGDEBUG, "LinuxRendererGL: Cleaning up GL resources");
CSingleLock lock(g_graphicsContext);
if (m_rgbBuffer != NULL)
{
delete [] m_rgbBuffer;
m_rgbBuffer = NULL;
}
m_rgbBufferSize = 0;
// YV12 textures
for (int i = 0; i < NUM_BUFFERS; ++i)
(this->*m_textureDelete)(i);
if (m_dllSwScale && m_sw_context)
{
m_dllSwScale->sws_freeContext(m_sw_context);
m_sw_context = NULL;
}
// cleanup framebuffer object if it was in use
m_fbo.Cleanup();
m_bValidated = false;
m_bImageReady = false;
m_bConfigured = false;
m_RenderUpdateCallBackFn = NULL;
m_RenderUpdateCallBackCtx = NULL;
}
void CLinuxRendererGLES::Render(DWORD flags, int index)
{
// If rendered directly by the hardware
if (m_renderMethod & RENDER_BYPASS)
return;
// obtain current field, if interlaced
if( flags & RENDER_FLAG_TOP)
m_currentField = FIELD_TOP;
else if (flags & RENDER_FLAG_BOT)
m_currentField = FIELD_BOT;
else
m_currentField = FIELD_FULL;
(this->*m_textureUpload)(index);
if (m_renderMethod & RENDER_GLSL)
{
UpdateVideoFilter();
switch(m_renderQuality)
{
case RQ_LOW:
case RQ_SINGLEPASS:
RenderSinglePass(index, m_currentField);
VerifyGLState();
break;
case RQ_MULTIPASS:
RenderMultiPass(index, m_currentField);
VerifyGLState();
break;
case RQ_SOFTWARE:
RenderSoftware(index, m_currentField);
VerifyGLState();
break;
}
}
else if (m_renderMethod & RENDER_OMXEGL)
{
RenderOpenMax(index, m_currentField);
VerifyGLState();
}
else if (m_renderMethod & RENDER_CVREF)
{
RenderCoreVideoRef(index, m_currentField);
VerifyGLState();
}
else
{
RenderSoftware(index, m_currentField);
VerifyGLState();
}
}
void CLinuxRendererGLES::RenderSinglePass(int index, int field)
{
YV12Image &im = m_buffers[index].image;
YUVFIELDS &fields = m_buffers[index].fields;
YUVPLANES &planes = fields[field];
if (m_reloadShaders)
{
m_reloadShaders = 0;
LoadShaders(field);
}
glDisable(GL_DEPTH_TEST);
// Y
glActiveTexture(GL_TEXTURE0);
glEnable(m_textureTarget);
glBindTexture(m_textureTarget, planes[0].id);
// U
glActiveTexture(GL_TEXTURE1);
glEnable(m_textureTarget);
glBindTexture(m_textureTarget, planes[1].id);
// V
glActiveTexture(GL_TEXTURE2);
glEnable(m_textureTarget);
glBindTexture(m_textureTarget, planes[2].id);
glActiveTexture(GL_TEXTURE0);
VerifyGLState();
m_pYUVShader->SetBlack(g_settings.m_currentVideoSettings.m_Brightness * 0.01f - 0.5f);
m_pYUVShader->SetContrast(g_settings.m_currentVideoSettings.m_Contrast * 0.02f);
m_pYUVShader->SetWidth(im.width);
m_pYUVShader->SetHeight(im.height);
if (field == FIELD_TOP)
m_pYUVShader->SetField(1);
else if(field == FIELD_BOT)
m_pYUVShader->SetField(0);
m_pYUVShader->SetMatrices(g_matrices.GetMatrix(MM_PROJECTION), g_matrices.GetMatrix(MM_MODELVIEW));
m_pYUVShader->Enable();
GLubyte idx[4] = {0, 1, 3, 2}; //determines order of triangle strip
GLfloat m_vert[4][3];
GLfloat m_tex[3][4][2];
GLint vertLoc = m_pYUVShader->GetVertexLoc();
GLint Yloc = m_pYUVShader->GetYcoordLoc();
GLint Uloc = m_pYUVShader->GetUcoordLoc();
GLint Vloc = m_pYUVShader->GetVcoordLoc();
glVertexAttribPointer(vertLoc, 3, GL_FLOAT, 0, 0, m_vert);
glVertexAttribPointer(Yloc, 2, GL_FLOAT, 0, 0, m_tex[0]);
glVertexAttribPointer(Uloc, 2, GL_FLOAT, 0, 0, m_tex[1]);
glVertexAttribPointer(Vloc, 2, GL_FLOAT, 0, 0, m_tex[2]);
glEnableVertexAttribArray(vertLoc);
glEnableVertexAttribArray(Yloc);
glEnableVertexAttribArray(Uloc);
glEnableVertexAttribArray(Vloc);
// Setup vertex position values
m_vert[0][0] = m_vert[3][0] = m_destRect.x1;
m_vert[0][1] = m_vert[1][1] = m_destRect.y1;
m_vert[1][0] = m_vert[2][0] = m_destRect.x2;
m_vert[2][1] = m_vert[3][1] = m_destRect.y2;
m_vert[0][2] = m_vert[1][2] = m_vert[2][2] = m_vert[3][2] = 0.0f;
// Setup texture coordinates
for (int i=0; i<3; i++)
{
m_tex[i][0][0] = m_tex[i][3][0] = planes[i].rect.x1;
m_tex[i][0][1] = m_tex[i][1][1] = planes[i].rect.y1;
m_tex[i][1][0] = m_tex[i][2][0] = planes[i].rect.x2;
m_tex[i][2][1] = m_tex[i][3][1] = planes[i].rect.y2;
}
glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_BYTE, idx);
VerifyGLState();
m_pYUVShader->Disable();
VerifyGLState();
glDisableVertexAttribArray(vertLoc);
glDisableVertexAttribArray(Yloc);
glDisableVertexAttribArray(Uloc);
glDisableVertexAttribArray(Vloc);
glActiveTexture(GL_TEXTURE1);
glDisable(m_textureTarget);
glActiveTexture(GL_TEXTURE2);
glDisable(m_textureTarget);
glActiveTexture(GL_TEXTURE0);
glDisable(m_textureTarget);
g_matrices.MatrixMode(MM_MODELVIEW);
VerifyGLState();
}
void CLinuxRendererGLES::RenderMultiPass(int index, int field)
{
// TODO: Multipass rendering does not currently work! FIX!
CLog::Log(LOGERROR, "GLES: MULTIPASS rendering was called! But it doesnt work!!!");
return;
YV12Image &im = m_buffers[index].image;
YUVPLANES &planes = m_buffers[index].fields[field];
if (m_reloadShaders)
{
m_reloadShaders = 0;
LoadShaders(m_currentField);
}
glDisable(GL_DEPTH_TEST);
// Y
glEnable(m_textureTarget);
glActiveTexture(GL_TEXTURE0);
glBindTexture(m_textureTarget, planes[0].id);
VerifyGLState();
// U
glActiveTexture(GL_TEXTURE1);
glEnable(m_textureTarget);
glBindTexture(m_textureTarget, planes[1].id);
VerifyGLState();
// V
glActiveTexture(GL_TEXTURE2);
glEnable(m_textureTarget);
glBindTexture(m_textureTarget, planes[2].id);
VerifyGLState();
glActiveTexture(GL_TEXTURE0);
VerifyGLState();
// make sure the yuv shader is loaded and ready to go
if (!m_pYUVShader || (!m_pYUVShader->OK()))
{
CLog::Log(LOGERROR, "GL: YUV shader not active, cannot do multipass render");
return;
}
m_fbo.BeginRender();
VerifyGLState();
m_pYUVShader->SetBlack(g_settings.m_currentVideoSettings.m_Brightness * 0.01f - 0.5f);
m_pYUVShader->SetContrast(g_settings.m_currentVideoSettings.m_Contrast * 0.02f);
m_pYUVShader->SetWidth(im.width);
m_pYUVShader->SetHeight(im.height);
if (field == FIELD_TOP)
m_pYUVShader->SetField(1);
else if(field == FIELD_BOT)
m_pYUVShader->SetField(0);
VerifyGLState();
//TODO
// glPushAttrib(GL_VIEWPORT_BIT);
// glPushAttrib(GL_SCISSOR_BIT);
g_matrices.MatrixMode(MM_MODELVIEW);
g_matrices.PushMatrix();
g_matrices.LoadIdentity();
VerifyGLState();
g_matrices.MatrixMode(MM_PROJECTION);
g_matrices.PushMatrix();
g_matrices.LoadIdentity();
VerifyGLState();
g_matrices.Ortho2D(0, m_sourceWidth, 0, m_sourceHeight);
glViewport(0, 0, m_sourceWidth, m_sourceHeight);
glScissor(0, 0, m_sourceWidth, m_sourceHeight);
g_matrices.MatrixMode(MM_MODELVIEW);
VerifyGLState();
if (!m_pYUVShader->Enable())
{
CLog::Log(LOGERROR, "GL: Error enabling YUV shader");
}
float imgwidth = planes[0].rect.x2 - planes[0].rect.x1;
float imgheight = planes[0].rect.y2 - planes[0].rect.y1;
if (m_textureTarget == GL_TEXTURE_2D)
{
imgwidth *= planes[0].texwidth;
imgheight *= planes[0].texheight;
}
// 1st Pass to video frame size
//TODO
// glBegin(GL_QUADS);
//
// glMultiTexCoord2fARB(GL_TEXTURE0, planes[0].rect.x1, planes[0].rect.y1);
// glMultiTexCoord2fARB(GL_TEXTURE1, planes[1].rect.x1, planes[1].rect.y1);
// glMultiTexCoord2fARB(GL_TEXTURE2, planes[2].rect.x1, planes[2].rect.y1);
// glVertex2f(0.0f , 0.0f);
//
// glMultiTexCoord2fARB(GL_TEXTURE0, planes[0].rect.x2, planes[0].rect.y1);
// glMultiTexCoord2fARB(GL_TEXTURE1, planes[1].rect.x2, planes[1].rect.y1);
// glMultiTexCoord2fARB(GL_TEXTURE2, planes[2].rect.x2, planes[2].rect.y1);
// glVertex2f(imgwidth, 0.0f);
//
// glMultiTexCoord2fARB(GL_TEXTURE0, planes[0].rect.x2, planes[0].rect.y2);
// glMultiTexCoord2fARB(GL_TEXTURE1, planes[1].rect.x2, planes[1].rect.y2);
// glMultiTexCoord2fARB(GL_TEXTURE2, planes[2].rect.x2, planes[2].rect.y2);
// glVertex2f(imgwidth, imgheight);
//
// glMultiTexCoord2fARB(GL_TEXTURE0, planes[0].rect.x1, planes[0].rect.y2);