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westeros-render-gl.cpp
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/*
* If not stated otherwise in this file or this component's Licenses.txt file the
* following copyright and licenses apply:
*
* Copyright 2016 RDK Management
*
* 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 <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <assert.h>
#include <sys/time.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#else
#include <GL/glew.h>
#include <GL/gl.h>
#endif
#if defined (WESTEROS_PLATFORM_EMBEDDED)
#include "westeros-gl.h"
#endif
#if defined (WESTEROS_PLATFORM_RPI)
#include <bcm_host.h>
#endif
#include "westeros-render.h"
#include "wayland-server.h"
#include "wayland-client.h"
#include "wayland-egl.h"
#ifdef ENABLE_SBPROTOCOL
#include "westeros-simplebuffer.h"
#endif
#include <vector>
//#define WST_DEBUG
#ifdef WST_DEBUG
#define INT_TRACE(FORMAT,...) printf( FORMAT "\n", __VA_ARGS__)
#else
#define INT_TRACE(FORMAT,...)
#endif
#define WST_TRACE(...) INT_TRACE(__VA_ARGS__, "")
#define WST_UNUSED( n ) ((void)n)
#define DEFAULT_SURFACE_WIDTH (0)
#define DEFAULT_SURFACE_HEIGHT (0)
static const char *fShaderText =
"#ifdef GL_ES\n"
"precision mediump float;\n"
"#endif\n"
"uniform sampler2D texture;\n"
"uniform float alpha;\n"
"varying vec2 txv;\n"
"void main()\n"
"{\n"
" gl_FragColor= texture2D(texture, txv) * alpha;\n"
"}\n";
static const char *vShaderText =
"uniform vec2 resolution;\n"
"uniform mat4 matrix;\n"
"attribute vec2 pos;\n"
"attribute vec2 texcoord;\n"
"varying vec2 txv;\n"
"void main()\n"
"{\n"
" vec4 p= matrix * vec4(pos, 0, 1);\n"
" vec4 zeroToOne= p / vec4(resolution, resolution.x, 1);\n"
" vec4 zeroToTwo= zeroToOne * vec4(2.0, 2.0, 1, 1);\n"
" vec4 clipSpace= zeroToTwo - vec4(1.0, 1.0, 0, 0);\n"
" clipSpace.w= 1.0+clipSpace.z;\n"
" gl_Position= clipSpace * vec4(1, -1, 1, 1);\n"
" txv= texcoord;\n"
"}\n";
static const char *fShaderTextYUV =
"#ifdef GL_ES\n"
"precision mediump float;\n"
"#endif\n"
"uniform sampler2D texture;\n"
"uniform sampler2D textureuv;\n"
"const vec3 cc_r = vec3(1.0, -0.8604, 1.59580);\n"
"const vec4 cc_g = vec4(1.0, 0.539815, -0.39173, -0.81290);\n"
"const vec3 cc_b = vec3(1.0, -1.071, 2.01700);\n"
"uniform float alpha;\n"
"varying vec2 txv;\n"
"varying vec2 txvuv;\n"
"void main()\n"
"{\n"
" vec4 y_vec= texture2D(texture, txv);\n"
" vec4 c_vec= texture2D(textureuv, txvuv);\n"
" vec4 temp_vec= vec4(y_vec.a, 1.0, c_vec.b, c_vec.a);\n"
" gl_FragColor= vec4( dot(cc_r,temp_vec.xyw), dot(cc_g,temp_vec), dot(cc_b,temp_vec.xyz), alpha );\n"
"}\n";
static const char *vShaderTextYUV =
"uniform vec2 resolution;\n"
"uniform mat4 matrix;\n"
"attribute vec2 pos;\n"
"attribute vec2 texcoord;\n"
"attribute vec2 texcoorduv;\n"
"varying vec2 txv;\n"
"varying vec2 txvuv;\n"
"void main()\n"
"{\n"
" vec4 p= matrix * vec4(pos, 0, 1);\n"
" vec4 zeroToOne= p / vec4(resolution, resolution.x, 1);\n"
" vec4 zeroToTwo= zeroToOne * vec4(2.0, 2.0, 1, 1);\n"
" vec4 clipSpace= zeroToTwo - vec4(1.0, 1.0, 0, 0);\n"
" clipSpace.w= 1.0+clipSpace.z;\n"
" gl_Position= clipSpace * vec4(1, -1, 1, 1);\n"
" txv= texcoord;\n"
" txvuv= texcoorduv;\n"
"}\n";
typedef struct _WstShader
{
bool isYUV;
GLuint fragShader;
GLuint vertShader;
GLuint program;
GLuint attrPos;
GLuint attrTexcoord;
GLuint attrTexcoorduv;
GLint uniRes;
GLint uniMatrix;
GLint uniAlpha;
GLint uniTexture;
GLint uniTextureuv;
} WstShader;
static char message[1024];
#define MAX_TEXTURES (2)
struct _WstRenderSurface
{
void *nativePixmap;
int textureCount;
GLuint textureId[MAX_TEXTURES];
EGLImageKHR eglImage[MAX_TEXTURES];
int bufferWidth;
int bufferHeight;
unsigned char *mem;
bool memDirty;
int memWidth;
int memHeight;
GLint memFormatGL;
GLenum memType;
int x;
int y;
int width;
int height;
bool visible;
float opacity;
float zorder;
bool sizeOverride;
bool invertedY;
};
typedef struct _WstRendererGL
{
WstRenderer *renderer;
int outputWidth;
int outputHeight;
WstShader *textureShader;
WstShader *textureShaderYUV;
void *nativeWindow;
#if defined (WESTEROS_PLATFORM_EMBEDDED)
WstGLCtx *glCtx;
#endif
EGLDisplay eglDisplay;
EGLConfig eglConfig;
EGLContext eglContext;
EGLSurface eglSurface;
#ifdef _WESTEROS_GL_ICEGDL_
EGLSurface eglSurfaceSave;
#endif
PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
#endif
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
bool haveWaylandEGL;
PFNEGLBINDWAYLANDDISPLAYWL eglBindWaylandDisplayWL;
PFNEGLUNBINDWAYLANDDISPLAYWL eglUnbindWaylandDisplayWL;
PFNEGLQUERYWAYLANDBUFFERWL eglQueryWaylandBufferWL;
#endif
std::vector<WstRenderSurface*> surfaces;
} WstRendererGL;
static WstRendererGL* wstRendererGLCreate( int width, int height );
static void wstRendererGLDestroy( WstRendererGL *renderer );
static WstRenderSurface *wstRendererGLCreateSurface(WstRendererGL *renderer);
static void wstRendererGLDestroySurface( WstRendererGL *renderer, WstRenderSurface *surface );
static void wstRendererGLFlushSurface( WstRendererGL *renderer, WstRenderSurface *surface );
static void wstRendererGLCommitShm( WstRendererGL *rendererGL, WstRenderSurface *surface, struct wl_resource *resource );
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
static void wstRendererGLCommitWaylandEGL( WstRendererGL *rendererGL, WstRenderSurface *surface,
struct wl_resource *resource, EGLint format );
#endif
#ifdef ENABLE_SBPROTOCOL
static void wstRendererGLCommitSB( WstRendererGL *rendererGL, WstRenderSurface *surface, struct wl_resource *resource );
#endif
#if defined (WESTEROS_PLATFORM_RPI)
static void wstRendererGLCommitDispmanx( WstRendererGL *rendererGL, WstRenderSurface *surface,
DISPMANX_RESOURCE_HANDLE_T dispResource,
EGLint format, int bufferWidth, int bufferHeight );
#endif
static void wstRendererGLRenderSurface( WstRendererGL *renderer, WstRenderSurface *surface );
static bool wstRendererGLSetupEGL( WstRendererGL *renderer );
static void wstRendererGLDestroyShader( WstShader *shader );
static WstShader* wstRendererGLCreateShader( bool yuv );
static void wstRendererGLShaderDraw( WstShader *shader,
int width, int height, float* matrix, float alpha,
GLuint textureId, GLuint textureUVId,
int count, const float* vc, const float* txc );
static bool emitFPS= false;
static WstRendererGL* wstRendererGLCreate( WstRenderer *renderer )
{
WstRendererGL *rendererGL= 0;
rendererGL= (WstRendererGL*)calloc(1, sizeof(WstRendererGL) );
if ( rendererGL )
{
if ( getenv("WESTEROS_RENDER_GL_FPS" ) )
{
emitFPS= true;
}
rendererGL->outputWidth= renderer->outputWidth;
rendererGL->outputHeight= renderer->outputHeight;
#if defined (WESTEROS_PLATFORM_EMBEDDED)
rendererGL->glCtx= WstGLInit();
#endif
rendererGL->renderer= renderer;
wstRendererGLSetupEGL( rendererGL );
rendererGL->eglCreateImageKHR= (PFNEGLCREATEIMAGEKHRPROC)eglGetProcAddress("eglCreateImageKHR");
printf( "eglCreateImageKHR %p\n", rendererGL->eglCreateImageKHR);
rendererGL->eglDestroyImageKHR= (PFNEGLDESTROYIMAGEKHRPROC)eglGetProcAddress("eglDestroyImageKHR");
printf( "eglDestroyImageKHR %p\n", rendererGL->eglDestroyImageKHR);
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
rendererGL->glEGLImageTargetTexture2DOES= (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)eglGetProcAddress("glEGLImageTargetTexture2DOES");
printf( "glEGLImageTargetTexture2DOES %p\n", rendererGL->glEGLImageTargetTexture2DOES);
#endif
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
const char *extensions= eglQueryString( rendererGL->eglDisplay, EGL_EXTENSIONS );
if ( extensions )
{
if ( !strstr( extensions, "EGL_WL_bind_wayland_display" ) )
{
printf("wayland-egl support expected, but not advertised by eglQueryString(eglDisplay,EGL_EXTENSIONS): not attempting to use\n" );
}
else
{
printf("wayland-egl support expected, and is advertised by eglQueryString(eglDisplay,EGL_EXTENSIONS): proceeding to use \n" );
rendererGL->eglBindWaylandDisplayWL= (PFNEGLBINDWAYLANDDISPLAYWL)eglGetProcAddress("eglBindWaylandDisplayWL");
printf( "eglBindWaylandDisplayWL %p\n", rendererGL->eglBindWaylandDisplayWL );
rendererGL->eglUnbindWaylandDisplayWL= (PFNEGLUNBINDWAYLANDDISPLAYWL)eglGetProcAddress("eglUnbindWaylandDisplayWL");
printf( "eglUnbindWaylandDisplayWL %p\n", rendererGL->eglUnbindWaylandDisplayWL );
rendererGL->eglQueryWaylandBufferWL= (PFNEGLQUERYWAYLANDBUFFERWL)eglGetProcAddress("eglQueryWaylandBufferWL");
printf( "eglQueryWaylandBufferWL %p\n", rendererGL->eglQueryWaylandBufferWL );
if ( rendererGL->eglBindWaylandDisplayWL &&
rendererGL->eglUnbindWaylandDisplayWL &&
rendererGL->eglQueryWaylandBufferWL )
{
printf("calling eglBindWaylandDisplayWL with eglDisplay %p and wayland display %p\n", rendererGL->eglDisplay, renderer->display );
EGLBoolean rc= rendererGL->eglBindWaylandDisplayWL( rendererGL->eglDisplay, renderer->display );
if ( rc )
{
rendererGL->haveWaylandEGL= true;
}
else
{
printf("eglBindWaylandDisplayWL failed: %x\n", eglGetError() );
}
}
else
{
printf("wayland-egl support expected, and advertised, but methods are missing: no wayland-egl\n" );
}
}
}
printf("have wayland-egl: %d\n", rendererGL->haveWaylandEGL );
#endif
}
return rendererGL;
}
static void wstRendererGLDestroy( WstRendererGL *renderer )
{
if ( renderer )
{
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
if ( renderer->haveWaylandEGL )
{
renderer->eglUnbindWaylandDisplayWL( renderer->eglDisplay, renderer->renderer->display );
renderer->haveWaylandEGL= false;
}
#endif
if ( renderer->textureShader )
{
wstRendererGLDestroyShader( renderer->textureShader );
renderer->textureShader= 0;
}
if ( renderer->textureShaderYUV )
{
wstRendererGLDestroyShader( renderer->textureShaderYUV );
renderer->textureShaderYUV= 0;
}
if ( renderer->eglSurface )
{
eglDestroySurface( renderer->eglDisplay, renderer->eglSurface );
renderer->eglSurface= 0;
}
// If we are doing nested composition destroy the wayland egl window
// otherwise destroy the native egl window
if ( renderer->renderer->displayNested )
{
if ( renderer->nativeWindow )
{
wl_egl_window_destroy( (struct wl_egl_window *)renderer->nativeWindow );
renderer->nativeWindow= 0;
}
}
else
{
#if defined (WESTEROS_PLATFORM_EMBEDDED)
if ( renderer->nativeWindow )
{
WstGLDestroyNativeWindow( renderer->glCtx, renderer->nativeWindow );
renderer->nativeWindow= 0;
}
WstGLTerm( renderer->glCtx );
renderer->glCtx= 0;
#endif
}
free( renderer );
}
}
static WstRenderSurface *wstRendererGLCreateSurface(WstRendererGL *renderer)
{
WstRenderSurface *surface= 0;
WST_UNUSED(renderer);
surface= (WstRenderSurface*)calloc( 1, sizeof(WstRenderSurface) );
if ( surface )
{
surface->textureCount= 1;
surface->textureId[0]= GL_NONE;
surface->width= DEFAULT_SURFACE_WIDTH;
surface->height= DEFAULT_SURFACE_HEIGHT;
surface->x= 0;
surface->y= 0;
surface->visible= true;
surface->opacity= 1.0;
surface->zorder= 0.5;
}
return surface;
}
static void wstRendererGLDestroySurface( WstRendererGL *renderer, WstRenderSurface *surface )
{
WST_UNUSED(renderer);
if ( surface )
{
wstRendererGLFlushSurface( renderer, surface );
free( surface );
}
}
static void wstRendererGLFlushSurface( WstRendererGL *renderer, WstRenderSurface *surface )
{
if ( surface )
{
for( int i= 0; i < MAX_TEXTURES; ++i )
{
if ( surface->textureId[i] )
{
glDeleteTextures( 1, &surface->textureId[i] );
surface->textureId[i]= GL_NONE;
}
if ( surface->eglImage[i] )
{
renderer->eglDestroyImageKHR( renderer->eglDisplay,
surface->eglImage[i] );
surface->eglImage[i]= 0;
}
}
#if defined (WESTEROS_PLATFORM_EMBEDDED)
if ( surface->nativePixmap )
{
WstGLReleaseNativePixmap( renderer->glCtx, surface->nativePixmap );
surface->nativePixmap= 0;
}
#endif
if ( surface->mem )
{
free( surface->mem );
}
}
}
static void wstRendererGLCommitShm( WstRendererGL *rendererGL, WstRenderSurface *surface, struct wl_resource *resource )
{
struct wl_shm_buffer *shmBuffer;
int width, height, stride;
GLint formatGL;
GLenum type;
bool transformPixelsA= false;
bool transformPixelsB= false;
bool fillAlpha= false;
void *data;
shmBuffer= wl_shm_buffer_get( resource );
if ( shmBuffer )
{
width= wl_shm_buffer_get_width(shmBuffer);
height= wl_shm_buffer_get_height(shmBuffer);
stride= wl_shm_buffer_get_stride(shmBuffer);
// The SHM formats describe the structure of the color channels for a pixel as
// they would appear in a machine register not the byte order in memory. For
// example WL_SHM_FORMAT_ARGB8888 is a 32 bit pixel with alpha in the 8 most significant
// bits and blue in the 8 list significant bits. On a little endian machine the
// byte order in memory would be B, G, R, A.
switch( wl_shm_buffer_get_format(shmBuffer) )
{
case WL_SHM_FORMAT_ARGB8888:
#ifdef BIG_ENDIAN_CPU
formatGL= GL_RGBA;
transformPixelsA= true;
#else
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
if ( rendererGL->haveWaylandEGL )
{
formatGL= GL_BGRA_EXT;
}
else
{
formatGL= GL_RGBA;
transformPixelsB= true;
}
#elif defined (WESTEROS_PLATFORM_EMBEDDED)
formatGL= GL_BGRA_EXT;
#else
formatGL= GL_RGBA;
transformPixelsB= true;
#endif
#endif
type= GL_UNSIGNED_BYTE;
break;
case WL_SHM_FORMAT_XRGB8888:
#ifdef BIG_ENDIAN_CPU
formatGL= GL_RGBA;
transformPixelsA= true;
#else
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
if ( rendererGL->haveWaylandEGL )
{
formatGL= GL_BGRA_EXT;
}
else
{
formatGL= GL_RGBA;
transformPixelsB= true;
}
#elif defined (WESTEROS_PLATFORM_EMBEDDED)
formatGL= GL_BGRA_EXT;
#else
formatGL= GL_RGBA;
transformPixelsB= true;
#endif
#endif
type= GL_UNSIGNED_BYTE;
fillAlpha= true;
break;
case WL_SHM_FORMAT_BGRA8888:
#ifdef BIG_ENDIAN_CPU
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
if ( rendererGL->haveWaylandEGL )
{
formatGL= GL_BGRA_EXT;
}
else
{
formatGL= GL_RGBA;
transformPixelsB= true;
}
#elif defined (WESTEROS_PLATFORM_EMBEDDED)
formatGL= GL_BGRA_EXT;
#else
formatGL= GL_RGBA;
transformPixelsB= true;
#endif
#else
formatGL= GL_RGBA;
transformPixelsA= true;
#endif
type= GL_UNSIGNED_BYTE;
break;
case WL_SHM_FORMAT_BGRX8888:
#ifdef BIG_ENDIAN_CPU
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
if ( rendererGL->haveWaylandEGL )
{
formatGL= GL_BGRA_EXT;
}
else
{
formatGL= GL_RGBA;
transformPixelsB= true;
}
#elif defined (WESTEROS_PLATFORM_EMBEDDED)
formatGL= GL_BGRA_EXT;
#else
formatGL= GL_RGBA;
transformPixelsB= true;
#endif
#else
formatGL= GL_RGBA;
transformPixelsA= true;
#endif
type= GL_UNSIGNED_BYTE;
fillAlpha= true;
break;
case WL_SHM_FORMAT_RGB565:
formatGL= GL_RGB;
type= GL_UNSIGNED_SHORT_5_6_5;
break;
case WL_SHM_FORMAT_ARGB4444:
formatGL= GL_RGBA;
type= GL_UNSIGNED_SHORT_4_4_4_4;
break;
default:
formatGL= GL_NONE;
break;
}
if ( formatGL != GL_NONE )
{
wl_shm_buffer_begin_access(shmBuffer);
data= wl_shm_buffer_get_data(shmBuffer);
if ( surface->mem &&
(
(surface->memWidth != width) ||
(surface->memHeight != height) ||
(surface->memFormatGL != formatGL) ||
(surface->memType != type)
)
)
{
free( surface->mem );
surface->mem= 0;
}
if ( !surface->mem )
{
surface->mem= (unsigned char*)malloc( stride*height );
}
if ( surface->mem )
{
memcpy( surface->mem, data, stride*height );
if ( transformPixelsA )
{
// transform ARGB to RGBA
unsigned int pixel, alpha;
unsigned int *pixdata= (unsigned int*)surface->mem;
for( int y= 0; y < height; ++y )
{
for( int x= 0; x < width; ++x )
{
pixel= pixdata[y*width+x];
alpha= (fillAlpha ? 0xFF : (pixel>>24));
pixel= (pixel<<8)|alpha;
pixdata[y*width+x]= pixel;
}
}
}
else if ( transformPixelsB )
{
// transform BGRA to RGBA
unsigned char *pixdata= (unsigned char*)surface->mem;
for( int y= 0; y < height; ++y )
{
for( int x= 0; x < width; ++x )
{
if ( fillAlpha )
{
pixdata[y*width*4 + x*4 +3]= 0xFF;
}
unsigned char temp= pixdata[y*width*4 + x*4 +2];
pixdata[y*width*4 + x*4 +2]= pixdata[y*width*4 + x*4 +0];
pixdata[y*width*4 + x*4 +0]= temp;
}
}
}
else if ( fillAlpha )
{
if ( fillAlpha )
{
unsigned char *pixdata= (unsigned char*)surface->mem;
for( int y= 0; y < height; ++y )
{
for( int x= 0; x < width; ++x )
{
pixdata[y*width*4 + x*4 +3]= 0xFF;
}
}
}
}
surface->bufferWidth= width;
surface->bufferHeight= height;
surface->memWidth= width;
surface->memHeight= height;
surface->memFormatGL= formatGL;
surface->memType= type;
surface->memDirty= true;
}
wl_shm_buffer_end_access(shmBuffer);
}
}
}
#if defined (WESTEROS_HAVE_WAYLAND_EGL)
static void wstRendererGLCommitWaylandEGL( WstRendererGL *rendererGL, WstRenderSurface *surface,
struct wl_resource *resource, EGLint format )
{
EGLImageKHR eglImage= 0;
EGLint value;
EGLint attrList[3];
int bufferWidth= 0, bufferHeight= 0;
if (EGL_TRUE == rendererGL->eglQueryWaylandBufferWL( rendererGL->eglDisplay,
resource,
EGL_WIDTH,
&value ) )
{
bufferWidth= value;
}
if (EGL_TRUE == rendererGL->eglQueryWaylandBufferWL( rendererGL->eglDisplay,
resource,
EGL_HEIGHT,
&value ) )
{
bufferHeight= value;
}
if ( (surface->bufferWidth != bufferWidth) || (surface->bufferHeight != bufferHeight) )
{
surface->bufferWidth= bufferWidth;
surface->bufferHeight= bufferHeight;
}
for( int i= 0; i < MAX_TEXTURES; ++i )
{
if ( surface->eglImage[i] )
{
rendererGL->eglDestroyImageKHR( rendererGL->eglDisplay,
surface->eglImage[i] );
surface->eglImage[i]= 0;
}
}
#if defined (WESTEROS_PLATFORM_RPI)
/*
* The Userland wayland-egl implementation used on RPI isn't complete in that it does not
* support the use of eglCreateImageKHR using the wl_buffer resource and target EGL_WAYLAND_BUFFER_WL.
* For that reason we need to supply a different path for handling buffers received via
* wayland-egl on RPI
*/
{
DISPMANX_RESOURCE_HANDLE_T dispResource= vc_dispmanx_get_handle_from_wl_buffer(resource);
if ( dispResource != DISPMANX_NO_HANDLE )
{
wstRendererGLCommitDispmanx( rendererGL, surface, dispResource, format, bufferWidth, bufferHeight );
}
}
#else
switch ( format )
{
case EGL_TEXTURE_RGB:
case EGL_TEXTURE_RGBA:
eglImage= rendererGL->eglCreateImageKHR( rendererGL->eglDisplay,
EGL_NO_CONTEXT,
EGL_WAYLAND_BUFFER_WL,
resource,
NULL // EGLInt attrList[]
);
if ( eglImage )
{
/*
* We have a new eglImage. Mark the surface as having no texture to
* trigger texture creation during the next scene render
*/
surface->eglImage[0]= eglImage;
if ( surface->textureId[0] != GL_NONE )
{
glDeleteTextures( 1, &surface->textureId[0] );
}
surface->textureId[0]= GL_NONE;
surface->textureCount= 1;
}
break;
case EGL_TEXTURE_Y_U_V_WL:
printf("wstRendererGLCommitWaylandEGL: EGL_TEXTURE_Y_U_V_WL not supported\n" );
break;
case EGL_TEXTURE_Y_UV_WL:
attrList[0]= EGL_WAYLAND_PLANE_WL;
attrList[2]= EGL_NONE;
for( int i= 0; i < 2; ++i )
{
attrList[1]= i;
eglImage= rendererGL->eglCreateImageKHR( rendererGL->eglDisplay,
EGL_NO_CONTEXT,
EGL_WAYLAND_BUFFER_WL,
resource,
attrList
);
if ( eglImage )
{
surface->eglImage[i]= eglImage;
if ( surface->textureId[i] != GL_NONE )
{
glDeleteTextures( 1, &surface->textureId[i] );
}
surface->textureId[i]= GL_NONE;
}
}
surface->textureCount= 2;
break;
case EGL_TEXTURE_Y_XUXV_WL:
printf("wstRendererGLCommitWaylandEGL: EGL_TEXTURE_Y_XUXV_WL not supported\n" );
break;
default:
printf("wstRendererGLCommitWaylandEGL: unknown texture format: %x\n", format );
break;
}
#endif
#if WESTEROS_INVERTED_Y
surface->invertedY= true;
#endif
}
#endif
#ifdef ENABLE_SBPROTOCOL
static void wstRendererGLCommitSB( WstRendererGL *rendererGL, WstRenderSurface *surface, struct wl_resource *resource )
{
struct wl_sb_buffer *sbBuffer;
void *deviceBuffer;
int bufferWidth, bufferHeight;
#if defined WESTEROS_PLATFORM_RPI
int sbFormat;
EGLint format= EGL_NONE;
sbBuffer= WstSBBufferGet( resource );
if ( sbBuffer )
{
deviceBuffer= WstSBBufferGetBuffer( sbBuffer );
if ( deviceBuffer )
{
DISPMANX_RESOURCE_HANDLE_T dispResource= (DISPMANX_RESOURCE_HANDLE_T)deviceBuffer;
bufferWidth= WstSBBufferGetWidth( sbBuffer );
bufferHeight= WstSBBufferGetHeight( sbBuffer );
sbFormat= WstSBBufferGetFormat( sbBuffer );
switch( sbFormat )
{
case WL_SB_FORMAT_ARGB8888:
case WL_SB_FORMAT_XRGB8888:
format= EGL_TEXTURE_RGBA;
break;
}
if ( format != EGL_NONE )
{
wstRendererGLCommitDispmanx( rendererGL, surface, dispResource, format, bufferWidth, bufferHeight );
}
}
}
#else
EGLNativePixmapType eglPixmap= 0;
EGLImageKHR eglImage= 0;
bool resize= false;
sbBuffer= WstSBBufferGet( resource );
if ( sbBuffer )
{
deviceBuffer= WstSBBufferGetBuffer( sbBuffer );
if ( deviceBuffer )
{
if ( surface->nativePixmap )
{
eglPixmap = (EGLNativePixmapType) WstGLGetEGLNativePixmap(rendererGL->glCtx, surface->nativePixmap);
}
if ( WstGLGetNativePixmap( rendererGL->glCtx, deviceBuffer, &surface->nativePixmap ) )
{
WstGLGetNativePixmapDimensions( rendererGL->glCtx, surface->nativePixmap, &bufferWidth, &bufferHeight );
if ( (surface->bufferWidth != bufferWidth) || (surface->bufferHeight != bufferHeight) )
{
surface->bufferWidth= bufferWidth;
surface->bufferHeight= bufferHeight;
resize= true;
}
if ( resize || (eglPixmap != (EGLNativePixmapType) WstGLGetEGLNativePixmap(rendererGL->glCtx, surface->nativePixmap)) )
{
/*
* If the eglPixmap contained by the surface WstGLNativePixmap changed
* (because the attached buffer dimensions changed, for example) then we
* need to create a new texture
*/
if ( surface->eglImage[0] )
{
rendererGL->eglDestroyImageKHR( rendererGL->eglDisplay,
surface->eglImage[0] );
surface->eglImage[0]= 0;
}
eglPixmap = (EGLNativePixmapType) WstGLGetEGLNativePixmap(rendererGL->glCtx, surface->nativePixmap);
}
if ( !surface->eglImage[0] )
{
eglImage= rendererGL->eglCreateImageKHR( rendererGL->eglDisplay,
EGL_NO_CONTEXT,
EGL_NATIVE_PIXMAP_KHR,
(EGLClientBuffer) eglPixmap,
NULL // EGLInt attrList[]
);
if ( eglImage )
{
/*
* We have a new eglImage. Mark the surface as having no texture to
* trigger texture creation during the next scene render
*/
surface->eglImage[0]= eglImage;
if ( surface->textureId[0] != GL_NONE )
{
glDeleteTextures( 1, &surface->textureId[0] );
}
surface->textureId[0]= GL_NONE;
}
}
}
}
}
#endif
#if WESTEROS_INVERTED_Y
surface->invertedY= true;
#endif
}
#endif
#if defined (WESTEROS_PLATFORM_RPI)
static void wstRendererGLCommitDispmanx( WstRendererGL *rendererGL, WstRenderSurface *surface,
DISPMANX_RESOURCE_HANDLE_T dispResource,
EGLint format, int bufferWidth, int bufferHeight )
{
int stride;
GLint formatGL;
GLenum type;
if ( dispResource != DISPMANX_NO_HANDLE )
{
switch ( format )
{
case EGL_TEXTURE_RGB:
case EGL_TEXTURE_RGBA:
{
stride= 4*bufferWidth;
formatGL= GL_RGBA;
type= GL_UNSIGNED_BYTE;
if ( surface->mem &&
(
(surface->memWidth != bufferWidth) ||
(surface->memHeight != bufferHeight) ||
(surface->memFormatGL != formatGL) ||
(surface->memType != type)
)
)
{
free( surface->mem );
surface->mem= 0;
}
if ( !surface->mem )
{
surface->mem= (unsigned char*)malloc( stride*bufferHeight );
}
if ( surface->mem )
{
VC_RECT_T rect;
int result;
rect.x= 0;
rect.y= 0;
rect.width= bufferWidth;
rect.height= bufferHeight;
result= vc_dispmanx_resource_read_data( dispResource,
&rect,
surface->mem,
stride );
if ( result >= 0 )
{
surface->bufferWidth= bufferWidth;
surface->bufferHeight= bufferHeight;
surface->memWidth= bufferWidth;
surface->memHeight= bufferHeight;
surface->memFormatGL= formatGL;
surface->memType= type;
surface->memDirty= true;
}
}
}
break;
case EGL_TEXTURE_Y_U_V_WL:
printf("wstRendererGLCommitDispmanx: EGL_TEXTURE_Y_U_V_WL not supported\n" );
break;
case EGL_TEXTURE_Y_UV_WL:
printf("wstRendererGLCommitDispmanx: EGL_TEXTURE_Y_UV_WL not supported\n" );
break;
case EGL_TEXTURE_Y_XUXV_WL:
printf("wstRendererGLCommitDispmanx: EGL_TEXTURE_Y_XUXV_WL not supported\n" );
break;
default:
printf("wstRendererGLCommitDispmanx: unknown texture format: %x\n", format );
break;
}
}