static GLboolean
dri_create_buffer(__DRIscreen * sPriv,
__DRIdrawable * dPriv,
const struct gl_config * visual, GLboolean isPixmap)
{
struct dri_drawable *drawable = NULL;
struct gl_framebuffer *fb;
struct swrast_renderbuffer *frontrb, *backrb;
TRACE;
drawable = CALLOC_STRUCT(dri_drawable);
if (drawable == NULL)
goto drawable_fail;
dPriv->driverPrivate = drawable;
drawable->dPriv = dPriv;
drawable->row = malloc(MAX_WIDTH * 4);
if (drawable->row == NULL)
goto drawable_fail;
fb = &drawable->Base;
/* basic framebuffer setup */
_mesa_initialize_window_framebuffer(fb, visual);
/* add front renderbuffer */
frontrb = swrast_new_renderbuffer(visual, GL_TRUE);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base);
/* add back renderbuffer */
if (visual->doubleBufferMode) {
backrb = swrast_new_renderbuffer(visual, GL_FALSE);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base);
}
/* add software renderbuffers */
_mesa_add_soft_renderbuffers(fb,
GL_FALSE, /* color */
visual->haveDepthBuffer,
visual->haveStencilBuffer,
visual->haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux bufs */);
return GL_TRUE;
drawable_fail:
if (drawable)
free(drawable->row);
FREE(drawable);
return GL_FALSE;
}
static EGLSurface
fbCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
{
fbSurface *surf;
surf = (fbSurface *) calloc(1, sizeof(fbSurface));
if (!surf) {
return EGL_NO_SURFACE;
}
if (_eglInitPbufferSurface(&surf->Base, drv, dpy, config, attrib_list) == EGL_NO_SURFACE) {
free(surf);
return EGL_NO_SURFACE;
}
/* create software-based pbuffer */
{
GLcontext *ctx = NULL; /* this _should_ be OK */
GLvisual vis;
_EGLConfig *conf = _eglLookupConfig(drv, dpy, config);
assert(conf); /* bad config should be caught earlier */
_eglConfigToContextModesRec(conf, &vis);
surf->mesa_framebuffer = _mesa_create_framebuffer(&vis);
_mesa_add_soft_renderbuffers(surf->mesa_framebuffer,
GL_TRUE, /* color bufs */
vis.haveDepthBuffer,
vis.haveStencilBuffer,
vis.haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux */ );
/* set pbuffer/framebuffer size */
_mesa_resize_framebuffer(ctx, surf->mesa_framebuffer,
surf->Base.Width, surf->Base.Height);
}
return surf->Base.Handle;
}
/**
* Create a drawing surface which can be directly displayed on a screen.
*/
static EGLSurface
fbCreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg,
const EGLint *attrib_list)
{
_EGLConfig *config = _eglLookupConfig(drv, dpy, cfg);
fbDisplay *display = Lookup_fbDisplay(dpy);
fbSurface *surface;
EGLSurface surf;
GLvisual vis;
GLcontext *ctx = NULL; /* this should be OK */
int origin, bytesPerPixel;
int width, height, stride;
surface = (fbSurface *) malloc(sizeof(*surface));
if (!surface) {
return EGL_NO_SURFACE;
}
/* init base class, error check, etc. */
surf = _eglInitScreenSurface(&surface->Base, drv, dpy, cfg, attrib_list);
if (surf == EGL_NO_SURFACE) {
free(surface);
return EGL_NO_SURFACE;
}
/* convert EGLConfig to GLvisual */
_eglConfigToContextModesRec(config, &vis);
/* create Mesa framebuffer */
surface->mesa_framebuffer = _mesa_create_framebuffer(&vis);
if (!surface->mesa_framebuffer) {
free(surface);
_eglRemoveSurface(&surface->Base);
return EGL_NO_SURFACE;
}
width = surface->Base.Width;
height = surface->Base.Height;
bytesPerPixel = vis.rgbBits / 8;
stride = width * bytesPerPixel;
origin = 0;
/* front color renderbuffer */
{
driRenderbuffer *drb = driNewRenderbuffer(GL_RGBA, display->pFB,
bytesPerPixel,
origin, stride, NULL);
fbSetSpanFunctions(drb, &vis);
_mesa_add_renderbuffer(surface->mesa_framebuffer,
BUFFER_FRONT_LEFT, &drb->Base);
}
/* back color renderbuffer */
if (vis.doubleBufferMode) {
GLubyte *backBuf = _mesa_malloc(stride * height);
driRenderbuffer *drb = driNewRenderbuffer(GL_RGBA, backBuf,
bytesPerPixel,
origin, stride, NULL);
fbSetSpanFunctions(drb, &vis);
_mesa_add_renderbuffer(surface->mesa_framebuffer,
BUFFER_BACK_LEFT, &drb->Base);
}
/* other renderbuffers- software based */
_mesa_add_soft_renderbuffers(surface->mesa_framebuffer,
GL_FALSE, /* color */
vis.haveDepthBuffer,
vis.haveStencilBuffer,
vis.haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux */);
_mesa_resize_framebuffer(ctx, surface->mesa_framebuffer, width, height);
return surf;
}
/*
* New in Mesa 3.5
*
* Create context and specify size of ancillary buffers.
*/
GLAPI OSMesaContext GLAPIENTRY
OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits,
GLint accumBits, OSMesaContext sharelist )
{
OSMesaContext osmesa;
struct dd_function_table functions;
GLint rind, gind, bind, aind;
GLint indexBits = 0, redBits = 0, greenBits = 0, blueBits = 0, alphaBits =0;
GLboolean rgbmode;
rind = gind = bind = aind = 0;
if (format==OSMESA_COLOR_INDEX) {
indexBits = 8;
rgbmode = GL_FALSE;
}
else if (format==OSMESA_RGBA) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
rind = 0;
gind = 1;
bind = 2;
aind = 3;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_BGRA) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
bind = 0;
gind = 1;
rind = 2;
aind = 3;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_ARGB) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = CHAN_BITS;
aind = 0;
rind = 1;
gind = 2;
bind = 3;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_RGB) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 0;
gind = 1;
bind = 2;
rgbmode = GL_TRUE;
}
else if (format==OSMESA_BGR) {
indexBits = 0;
redBits = CHAN_BITS;
greenBits = CHAN_BITS;
blueBits = CHAN_BITS;
alphaBits = 0;
rind = 2;
gind = 1;
bind = 0;
rgbmode = GL_TRUE;
}
#if CHAN_TYPE == GL_UNSIGNED_BYTE
else if (format==OSMESA_RGB_565) {
indexBits = 0;
redBits = 5;
greenBits = 6;
blueBits = 5;
alphaBits = 0;
rind = 0; /* not used */
gind = 0;
bind = 0;
rgbmode = GL_TRUE;
}
#endif
else {
return NULL;
}
osmesa = (OSMesaContext) CALLOC_STRUCT(osmesa_context);
if (osmesa) {
osmesa->gl_visual = _mesa_create_visual( rgbmode,
GL_FALSE, /* double buffer */
GL_FALSE, /* stereo */
redBits,
greenBits,
blueBits,
alphaBits,
indexBits,
depthBits,
stencilBits,
accumBits,
accumBits,
accumBits,
alphaBits ? accumBits : 0,
1 /* num samples */
);
if (!osmesa->gl_visual) {
FREE(osmesa);
return NULL;
}
/* Initialize device driver function table */
_mesa_init_driver_functions(&functions);
/* override with our functions */
functions.GetString = get_string;
functions.UpdateState = osmesa_update_state;
functions.GetBufferSize = get_buffer_size;
if (!_mesa_initialize_context(&osmesa->mesa,
osmesa->gl_visual,
sharelist ? &sharelist->mesa
: (GLcontext *) NULL,
&functions, (void *) osmesa)) {
_mesa_destroy_visual( osmesa->gl_visual );
FREE(osmesa);
return NULL;
}
_mesa_enable_sw_extensions(&(osmesa->mesa));
_mesa_enable_1_3_extensions(&(osmesa->mesa));
_mesa_enable_1_4_extensions(&(osmesa->mesa));
_mesa_enable_1_5_extensions(&(osmesa->mesa));
osmesa->gl_buffer = _mesa_create_framebuffer(osmesa->gl_visual);
if (!osmesa->gl_buffer) {
_mesa_destroy_visual( osmesa->gl_visual );
_mesa_free_context_data( &osmesa->mesa );
FREE(osmesa);
return NULL;
}
/* create front color buffer in user-provided memory (no back buffer) */
_mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT,
new_osmesa_renderbuffer(format));
_mesa_add_soft_renderbuffers(osmesa->gl_buffer,
GL_FALSE, /* color */
osmesa->gl_visual->haveDepthBuffer,
osmesa->gl_visual->haveStencilBuffer,
osmesa->gl_visual->haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux */ );
osmesa->format = format;
osmesa->buffer = NULL;
osmesa->width = 0;
osmesa->height = 0;
osmesa->userRowLength = 0;
osmesa->rowlength = 0;
osmesa->yup = GL_TRUE;
osmesa->rInd = rind;
osmesa->gInd = gind;
osmesa->bInd = bind;
osmesa->aInd = aind;
/* Initialize the software rasterizer and helper modules. */
{
GLcontext *ctx = &osmesa->mesa;
SWcontext *swrast;
TNLcontext *tnl;
if (!_swrast_CreateContext( ctx ) ||
!_ac_CreateContext( ctx ) ||
!_tnl_CreateContext( ctx ) ||
!_swsetup_CreateContext( ctx )) {
_mesa_destroy_visual(osmesa->gl_visual);
_mesa_free_context_data(ctx);
_mesa_free(osmesa);
return NULL;
}
_swsetup_Wakeup( ctx );
/* use default TCL pipeline */
tnl = TNL_CONTEXT(ctx);
tnl->Driver.RunPipeline = _tnl_run_pipeline;
/* Extend the software rasterizer with our optimized line and triangle
* drawing functions.
*/
swrast = SWRAST_CONTEXT( ctx );
swrast->choose_line = osmesa_choose_line;
swrast->choose_triangle = osmesa_choose_triangle;
}
}
return osmesa;
}
MesaSoftwareRenderer::MesaSoftwareRenderer(BGLView* view, ulong options,
BGLDispatcher* dispatcher)
: BGLRenderer(view, options, dispatcher),
fBitmap(NULL),
fDirectModeEnabled(false),
fInfo(NULL),
fInfoLocker("info locker"),
fContext(NULL),
fVisual(NULL),
fFrameBuffer(NULL),
fFrontRenderBuffer(NULL),
fBackRenderBuffer(NULL),
fColorSpace(B_NO_COLOR_SPACE)
{
CALLED();
fClearColor[BE_RCOMP] = 0;
fClearColor[BE_GCOMP] = 0;
fClearColor[BE_BCOMP] = 0;
fClearColor[BE_ACOMP] = 0;
fClearIndex = 0;
fColorSpace = BScreen(GLView()->Window()).ColorSpace();
// We force single buffering for the time being
options &= ~BGL_DOUBLE;
const GLboolean rgbFlag = ((options & BGL_INDEX) == 0);
const GLboolean alphaFlag = ((options & BGL_ALPHA) == BGL_ALPHA);
const GLboolean dblFlag = ((options & BGL_DOUBLE) == BGL_DOUBLE);
const GLboolean stereoFlag = false;
const GLint depth = (options & BGL_DEPTH) ? 16 : 0;
const GLint stencil = (options & BGL_STENCIL) ? 8 : 0;
const GLint accum = (options & BGL_ACCUM) ? 16 : 0;
const GLint red = rgbFlag ? 8 : 0;
const GLint green = rgbFlag ? 8 : 0;
const GLint blue = rgbFlag ? 8 : 0;
const GLint alpha = alphaFlag ? 8 : 0;
fOptions = options; // | BGL_INDIRECT;
struct dd_function_table functions;
fVisual = _mesa_create_visual(dblFlag, stereoFlag, red, green,
blue, alpha, depth, stencil, accum, accum, accum,
alpha ? accum : 0, 1);
// Initialize device driver function table
_mesa_init_driver_functions(&functions);
functions.GetString = _GetString;
functions.UpdateState = _UpdateState;
functions.GetBufferSize = NULL;
functions.Error = _Error;
functions.Viewport = _Viewport;
functions.Flush = _Flush;
// create core context
#if HAIKU_MESA_VER <= 708
fContext = _mesa_create_context(fVisual, NULL, &functions, this);
#else
fContext = _mesa_create_context(API_OPENGL, fVisual, NULL,
&functions, this);
#endif
if (!fContext) {
ERROR("%s: Failed to create Mesa context!\n", __func__);
_mesa_destroy_visual(fVisual);
return;
}
/* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext(fContext);
_vbo_CreateContext(fContext);
_tnl_CreateContext(fContext);
_swsetup_CreateContext(fContext);
_swsetup_Wakeup(fContext);
// Use default TCL pipeline
TNL_CONTEXT(fContext)->Driver.RunPipeline = _tnl_run_pipeline;
_mesa_meta_init(fContext);
_mesa_enable_sw_extensions(fContext);
_mesa_enable_1_3_extensions(fContext);
_mesa_enable_1_4_extensions(fContext);
_mesa_enable_1_5_extensions(fContext);
_mesa_enable_2_0_extensions(fContext);
_mesa_enable_2_1_extensions(fContext);
// create core framebuffer
fFrameBuffer = (struct msr_framebuffer*)calloc(1,
sizeof(*fFrameBuffer));
if (fFrameBuffer == NULL) {
ERROR("%s: Unable to calloc GL FrameBuffer!\n", __func__);
_mesa_destroy_visual(fVisual);
return;
}
_mesa_initialize_window_framebuffer(&fFrameBuffer->base, fVisual);
// Setup front render buffer
fFrontRenderBuffer = _NewRenderBuffer(true);
if (fFrontRenderBuffer == NULL) {
ERROR("%s: FrontRenderBuffer is requested but unallocated!\n",
__func__);
_mesa_destroy_visual(fVisual);
free(fFrameBuffer);
return;
}
_mesa_add_renderbuffer(&fFrameBuffer->base, BUFFER_FRONT_LEFT,
&fFrontRenderBuffer->base);
// Setup back render buffer (if requested)
if (fVisual->doubleBufferMode) {
fBackRenderBuffer = _NewRenderBuffer(false);
if (fBackRenderBuffer == NULL) {
ERROR("%s: BackRenderBuffer is requested but unallocated!\n",
__func__);
_mesa_destroy_visual(fVisual);
free(fFrameBuffer);
return;
}
_mesa_add_renderbuffer(&fFrameBuffer->base, BUFFER_BACK_LEFT,
&fBackRenderBuffer->base);
}
#if HAIKU_MESA_VER >= 709
// New Mesa
_swrast_add_soft_renderbuffers(&fFrameBuffer->base, GL_FALSE,
fVisual->haveDepthBuffer, fVisual->haveStencilBuffer,
fVisual->haveAccumBuffer, alphaFlag, GL_FALSE);
#else
// Old Mesa
_mesa_add_soft_renderbuffers(&fFrameBuffer->base, GL_FALSE,
fVisual->haveDepthBuffer, fVisual->haveStencilBuffer,
fVisual->haveAccumBuffer, alphaFlag, GL_FALSE);
#endif
BRect bounds = view->Bounds();
fWidth = fNewWidth = (GLint)bounds.Width();
fHeight = fNewHeight = (GLint)bounds.Height();
// some stupid applications (Quake2) don't even think about calling LockGL()
// before using glGetString and its glGet*() friends...
// so make sure there is at least a valid context.
if (!_mesa_get_current_context()) {
LockGL();
// not needed, we don't have a looper yet: UnlockLooper();
}
}
/* Create and initialize the Mesa and driver specific pixmap buffer
* data.
*/
static GLboolean
fbCreateBuffer( __DRIscreenPrivate *driScrnPriv,
__DRIdrawablePrivate *driDrawPriv,
const __GLcontextModes *mesaVis,
GLboolean isPixmap )
{
struct gl_framebuffer *mesa_framebuffer;
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
else {
const GLboolean swDepth = mesaVis->depthBits > 0;
const GLboolean swAlpha = mesaVis->alphaBits > 0;
const GLboolean swAccum = mesaVis->accumRedBits > 0;
const GLboolean swStencil = mesaVis->stencilBits > 0;
mesa_framebuffer = _mesa_create_framebuffer(mesaVis);
if (!mesa_framebuffer)
return 0;
/* XXX double-check these parameters (bpp vs cpp, etc) */
{
driRenderbuffer *drb = driNewRenderbuffer(GL_RGBA,
driScrnPriv->pFB,
driScrnPriv->fbBPP / 8,
driScrnPriv->fbOrigin,
driScrnPriv->fbStride,
driDrawPriv);
fbSetSpanFunctions(drb, mesaVis);
_mesa_add_renderbuffer(mesa_framebuffer,
BUFFER_FRONT_LEFT, &drb->Base);
}
if (mesaVis->doubleBufferMode) {
/* XXX what are the correct origin/stride values? */
GLvoid *backBuf = _mesa_malloc(driScrnPriv->fbStride
* driScrnPriv->fbHeight);
driRenderbuffer *drb = driNewRenderbuffer(GL_RGBA,
backBuf,
driScrnPriv->fbBPP /8,
driScrnPriv->fbOrigin,
driScrnPriv->fbStride,
driDrawPriv);
fbSetSpanFunctions(drb, mesaVis);
_mesa_add_renderbuffer(mesa_framebuffer,
BUFFER_BACK_LEFT, &drb->Base);
}
_mesa_add_soft_renderbuffers(mesa_framebuffer,
GL_FALSE, /* color */
swDepth,
swStencil,
swAccum,
swAlpha, /* or always zero? */
GL_FALSE /* aux */);
driDrawPriv->driverPrivate = mesa_framebuffer;
return 1;
}
}
GLFBDevBufferPtr
glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
const struct fb_var_screeninfo *varInfo,
const GLFBDevVisualPtr visual,
void *frontBuffer, void *backBuffer, size_t size )
{
struct GLFBDevRenderbufferRec *frontrb, *backrb;
GLFBDevBufferPtr buf;
ASSERT(visual);
ASSERT(frontBuffer);
ASSERT(size > 0);
/* this is to update the visual if there was a resize and the
buffer is created again */
visual->var = *varInfo;
visual->fix = *fixInfo;
if (visual->fix.visual != fixInfo->visual ||
visual->fix.type != fixInfo->type ||
visual->var.bits_per_pixel != varInfo->bits_per_pixel ||
visual->var.grayscale != varInfo->grayscale ||
visual->var.red.offset != varInfo->red.offset ||
visual->var.green.offset != varInfo->green.offset ||
visual->var.blue.offset != varInfo->blue.offset ||
visual->var.transp.offset != varInfo->transp.offset) {
/* visual mismatch! */
return NULL;
}
buf = CALLOC_STRUCT(GLFBDevBufferRec);
if (!buf)
return NULL;
/* basic framebuffer setup */
_mesa_initialize_window_framebuffer(&buf->glframebuffer, &visual->glvisual);
/* add front renderbuffer */
frontrb = new_glfbdev_renderbuffer(frontBuffer, visual);
_mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_FRONT_LEFT,
&frontrb->Base);
/* add back renderbuffer */
if (visual->glvisual.doubleBufferMode) {
const int malloced = !backBuffer;
if (malloced) {
/* malloc a back buffer */
backBuffer = malloc(size);
if (!backBuffer) {
_mesa_free_framebuffer_data(&buf->glframebuffer);
free(buf);
return NULL;
}
}
backrb = new_glfbdev_renderbuffer(backBuffer, visual);
if (!backrb) {
/* out of mem */
return NULL;
}
backrb->mallocedBuffer = malloced;
_mesa_add_renderbuffer(&buf->glframebuffer, BUFFER_BACK_LEFT,
&backrb->Base);
}
/* add software renderbuffers */
_mesa_add_soft_renderbuffers(&buf->glframebuffer,
GL_FALSE, /* color */
visual->glvisual.haveDepthBuffer,
visual->glvisual.haveStencilBuffer,
visual->glvisual.haveAccumBuffer,
GL_FALSE, /* alpha */
GL_FALSE /* aux bufs */);
buf->fix = *fixInfo; /* struct assignment */
buf->var = *varInfo; /* struct assignment */
buf->visual = visual; /* ptr assignment */
buf->size = size;
buf->bytesPerPixel = visual->var.bits_per_pixel / 8;
return buf;
}
MesaSoftwareRenderer::MesaSoftwareRenderer(BGLView* view, ulong options,
BGLDispatcher* dispatcher)
: BGLRenderer(view, options, dispatcher),
fBitmap(NULL),
fDirectModeEnabled(false),
fInfo(NULL),
fInfoLocker("info locker"),
fContext(NULL),
fVisual(NULL),
fFrameBuffer(NULL),
fFrontRenderBuffer(NULL),
fBackRenderBuffer(NULL),
fColorSpace(B_NO_COLOR_SPACE)
{
CALLED();
fClearColor[BE_RCOMP] = 0;
fClearColor[BE_GCOMP] = 0;
fClearColor[BE_BCOMP] = 0;
fClearColor[BE_ACOMP] = 0;
fClearIndex = 0;
fColorSpace = BScreen(GLView()->Window()).ColorSpace();
// We force single buffering for the time being
//options &= !BGL_DOUBLE;
const GLboolean rgbFlag = ((options & BGL_INDEX) == 0);
const GLboolean alphaFlag = ((options & BGL_ALPHA) == BGL_ALPHA);
const GLboolean dblFlag = ((options & BGL_DOUBLE) == BGL_DOUBLE);
const GLboolean stereoFlag = false;
const GLint depth = (options & BGL_DEPTH) ? 16 : 0;
const GLint stencil = (options & BGL_STENCIL) ? 8 : 0;
const GLint accum = (options & BGL_ACCUM) ? 16 : 0;
const GLint index = (options & BGL_INDEX) ? 32 : 0;
const GLint red = rgbFlag ? 8 : 0;
const GLint green = rgbFlag ? 8 : 0;
const GLint blue = rgbFlag ? 8 : 0;
const GLint alpha = alphaFlag ? 8 : 0;
fOptions = options; // | BGL_INDIRECT;
struct dd_function_table functions;
fVisual = _mesa_create_visual(rgbFlag, dblFlag, stereoFlag, red, green,
blue, alpha, index, depth, stencil, accum, accum, accum,
alpha ? accum : 0, 1);
// Initialize device driver function table
_mesa_init_driver_functions(&functions);
functions.GetString = _GetString;
functions.UpdateState = _UpdateState;
functions.GetBufferSize = NULL;
functions.Error = _Error;
functions.Viewport = _Viewport;
functions.Flush = _Flush;
// create core context
fContext = _mesa_create_context(fVisual, NULL, &functions, this);
if (!fContext) {
_mesa_destroy_visual(fVisual);
return;
}
/* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext(fContext);
_vbo_CreateContext(fContext);
_tnl_CreateContext(fContext);
_swsetup_CreateContext(fContext);
_swsetup_Wakeup(fContext);
// Use default TCL pipeline
TNL_CONTEXT(fContext)->Driver.RunPipeline = _tnl_run_pipeline;
_mesa_enable_sw_extensions(fContext);
_mesa_enable_1_3_extensions(fContext);
_mesa_enable_1_4_extensions(fContext);
_mesa_enable_1_5_extensions(fContext);
_mesa_enable_2_0_extensions(fContext);
_mesa_enable_2_1_extensions(fContext);
// create core framebuffer
fFrameBuffer = (struct msr_framebuffer*)_mesa_calloc(
sizeof(*fFrameBuffer));
_mesa_initialize_framebuffer(&fFrameBuffer->Base, fVisual);
fFrontRenderBuffer = (struct msr_renderbuffer*)_mesa_calloc(
sizeof(*fFrontRenderBuffer));
_mesa_init_renderbuffer(&fFrontRenderBuffer->Base, 0);
fFrontRenderBuffer->Base.AllocStorage = _FrontRenderbufferStorage;
fFrontRenderBuffer->Base.Data = NULL;
fFrontRenderBuffer->Base.InternalFormat = GL_RGBA;
fFrontRenderBuffer->Base._BaseFormat = GL_RGBA;
fFrontRenderBuffer->Base.DataType = GL_UNSIGNED_BYTE;
fFrontRenderBuffer->Base.RedBits = 8 * sizeof(GLubyte);
fFrontRenderBuffer->Base.GreenBits = 8 * sizeof(GLubyte);
fFrontRenderBuffer->Base.BlueBits = 8 * sizeof(GLubyte);
fFrontRenderBuffer->Base.AlphaBits = 8 * sizeof(GLubyte);
_SetSpanFuncs(fFrontRenderBuffer, fColorSpace);
_mesa_add_renderbuffer(&fFrameBuffer->Base, BUFFER_FRONT_LEFT,
&fFrontRenderBuffer->Base);
if (dblFlag) {
fBackRenderBuffer = (struct msr_renderbuffer*)_mesa_calloc(
sizeof(*fBackRenderBuffer));
_mesa_init_renderbuffer(&fBackRenderBuffer->Base, 0);
fBackRenderBuffer->Base.AllocStorage = _BackRenderbufferStorage;
fBackRenderBuffer->Base.Data = NULL;
fBackRenderBuffer->Base.Delete = _DeleteBackBuffer;
fBackRenderBuffer->Base.InternalFormat = GL_RGBA;
fBackRenderBuffer->Base._BaseFormat = GL_RGBA;
fBackRenderBuffer->Base.DataType = GL_UNSIGNED_BYTE;
fBackRenderBuffer->Base.RedBits = 8 * sizeof(GLubyte);
fBackRenderBuffer->Base.GreenBits = 8 * sizeof(GLubyte);
fBackRenderBuffer->Base.BlueBits = 8 * sizeof(GLubyte);
fBackRenderBuffer->Base.AlphaBits = 8 * sizeof(GLubyte);
_SetSpanFuncs(fBackRenderBuffer, fColorSpace);
_mesa_add_renderbuffer(&fFrameBuffer->Base, BUFFER_BACK_LEFT,
&fBackRenderBuffer->Base);
}
_mesa_add_soft_renderbuffers(&fFrameBuffer->Base, GL_FALSE,
fVisual->haveDepthBuffer, fVisual->haveStencilBuffer,
fVisual->haveAccumBuffer, alphaFlag, GL_FALSE);
BRect bounds = view->Bounds();
fWidth = fNewWidth = (GLint)bounds.Width();
fHeight = fNewHeight = (GLint)bounds.Height();
// some stupid applications (Quake2) don't even think about calling LockGL()
// before using glGetString and its glGet*() friends...
// so make sure there is at least a valid context.
if (!_mesa_get_current_context()) {
LockGL();
// not needed, we don't have a looper yet: UnlockLooper();
}
}