gallium » winsys » gdi

gdi_softpipe_winsys.c File Reference

Softpipe support. More...

Include dependency graph for gdi_softpipe_winsys.c:

Go to the source code of this file.

Data Structures

struct  gdi_softpipe_buffer

Functions

static struct gdi_softpipe_buffer * gdi_softpipe_buffer (struct pipe_buffer *buf)
 Cast wrapper.
static void * gdi_softpipe_buffer_map (struct pipe_winsys *winsys, struct pipe_buffer *buf, unsigned flags)
static void gdi_softpipe_buffer_unmap (struct pipe_winsys *winsys, struct pipe_buffer *buf)
static void gdi_softpipe_buffer_destroy (struct pipe_winsys *winsys, struct pipe_buffer *buf)
static const char * gdi_softpipe_get_name (struct pipe_winsys *winsys)
static struct pipe_buffer * gdi_softpipe_buffer_create (struct pipe_winsys *winsys, unsigned alignment, unsigned usage, unsigned size)
static struct pipe_buffer * gdi_softpipe_user_buffer_create (struct pipe_winsys *winsys, void *ptr, unsigned bytes)
 Create buffer which wraps user-space data.
static unsigned round_up (unsigned n, unsigned multiple)
 Round n up to next multiple.
static int gdi_softpipe_surface_alloc_storage (struct pipe_winsys *winsys, struct pipe_surface *surf, unsigned width, unsigned height, enum pipe_format format, unsigned flags, unsigned tex_usage)
static struct pipe_surface * gdi_softpipe_surface_alloc (struct pipe_winsys *winsys)
static void gdi_softpipe_surface_release (struct pipe_winsys *winsys, struct pipe_surface **s)
static void gdi_softpipe_dummy_flush_frontbuffer (struct pipe_winsys *winsys, struct pipe_surface *surface, void *context_private)
static void gdi_softpipe_fence_reference (struct pipe_winsys *winsys, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence)
static int gdi_softpipe_fence_signalled (struct pipe_winsys *winsys, struct pipe_fence_handle *fence, unsigned flag)
static int gdi_softpipe_fence_finish (struct pipe_winsys *winsys, struct pipe_fence_handle *fence, unsigned flag)
static void gdi_softpipe_destroy (struct pipe_winsys *winsys)
static struct pipe_screen * gdi_softpipe_screen_create (void)
static struct pipe_context * gdi_softpipe_context_create (struct pipe_screen *screen)
static void gdi_softpipe_flush_frontbuffer (struct pipe_winsys *winsys, struct pipe_surface *surface, HDC hDC)
BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)

Variables

static struct stw_winsys stw_winsys

Detailed Description

Softpipe support.

Author:
Keith Whitwell

Brian Paul

Jose Fonseca

Definition in file gdi_softpipe_winsys.c.

Function Documentation

BOOL WINAPI DllMain ( HINSTANCE  hinstDLL,
DWORD  fdwReason,
LPVOID  lpReserved 
)

Definition at line 348 of file gdi_softpipe_winsys.c.

References st_cleanup(), st_init(), and TRUE.

00349 {
00350    switch (fdwReason) {
00351    case DLL_PROCESS_ATTACH:
00352       return st_init(&stw_winsys);
00353 
00354    case DLL_PROCESS_DETACH:
00355       st_cleanup();
00356       break;
00357    }
00358    return TRUE;
00359 }

static struct gdi_softpipe_buffer* gdi_softpipe_buffer ( struct pipe_buffer *  buf  )  [static, read]

Cast wrapper.

Definition at line 62 of file gdi_softpipe_winsys.c.

00063 {
00064    return (struct gdi_softpipe_buffer *)buf;
00065 }

static struct pipe_buffer* gdi_softpipe_buffer_create ( struct pipe_winsys *  winsys,
unsigned  alignment,
unsigned  usage,
unsigned  size 
) [static, read]

Definition at line 113 of file gdi_softpipe_winsys.c.

References align_malloc(), pipe_buffer::alignment, gdi_softpipe_buffer::base, CALLOC_STRUCT, gdi_softpipe_buffer::data, pipe_buffer::refcount, pipe_buffer::size, and pipe_buffer::usage.

00117 {
00118    struct gdi_softpipe_buffer *buffer = CALLOC_STRUCT(gdi_softpipe_buffer);
00119 
00120    buffer->base.refcount = 1;
00121    buffer->base.alignment = alignment;
00122    buffer->base.usage = usage;
00123    buffer->base.size = size;
00124 
00125    buffer->data = align_malloc(size, alignment);
00126 
00127    return &buffer->base;
00128 }

static void gdi_softpipe_buffer_destroy ( struct pipe_winsys *  winsys,
struct pipe_buffer *  buf 
) [static]

Definition at line 89 of file gdi_softpipe_winsys.c.

References align_free(), gdi_softpipe_buffer::data, FREE, gdi_softpipe_buffer(), and gdi_softpipe_buffer::userBuffer.

00091 {
00092    struct gdi_softpipe_buffer *oldBuf = gdi_softpipe_buffer(buf);
00093 
00094    if (oldBuf->data) {
00095       if (!oldBuf->userBuffer)
00096          align_free(oldBuf->data);
00097 
00098       oldBuf->data = NULL;
00099    }
00100 
00101    FREE(oldBuf);
00102 }

static void* gdi_softpipe_buffer_map ( struct pipe_winsys *  winsys,
struct pipe_buffer *  buf,
unsigned  flags 
) [static]

Definition at line 69 of file gdi_softpipe_winsys.c.

References gdi_softpipe_buffer::data, gdi_softpipe_buffer(), and gdi_softpipe_buffer::mapped.

00072 {
00073    struct gdi_softpipe_buffer *gdi_softpipe_buf = gdi_softpipe_buffer(buf);
00074    gdi_softpipe_buf->mapped = gdi_softpipe_buf->data;
00075    return gdi_softpipe_buf->mapped;
00076 }

static void gdi_softpipe_buffer_unmap ( struct pipe_winsys *  winsys,
struct pipe_buffer *  buf 
) [static]

Definition at line 80 of file gdi_softpipe_winsys.c.

References gdi_softpipe_buffer(), and gdi_softpipe_buffer::mapped.

00082 {
00083    struct gdi_softpipe_buffer *gdi_softpipe_buf = gdi_softpipe_buffer(buf);
00084    gdi_softpipe_buf->mapped = NULL;
00085 }

static struct pipe_context* gdi_softpipe_context_create ( struct pipe_screen *  screen  )  [static, read]

Definition at line 304 of file gdi_softpipe_winsys.c.

References softpipe_create(), and pipe_screen::winsys.

00305 {
00306    return softpipe_create(screen, screen->winsys, NULL);
00307 }

static void gdi_softpipe_destroy ( struct pipe_winsys *  winsys  )  [static]

Definition at line 260 of file gdi_softpipe_winsys.c.

References FREE.

00261 {
00262    FREE(winsys);
00263 }

static void gdi_softpipe_dummy_flush_frontbuffer ( struct pipe_winsys *  winsys,
struct pipe_surface *  surface,
void *  context_private 
) [static]

Definition at line 225 of file gdi_softpipe_winsys.c.

References assert.

00228 {
00229    assert(0);
00230 }

static int gdi_softpipe_fence_finish ( struct pipe_winsys *  winsys,
struct pipe_fence_handle *  fence,
unsigned  flag 
) [static]

Definition at line 251 of file gdi_softpipe_winsys.c.

00254 {
00255    return 0;
00256 }

static void gdi_softpipe_fence_reference ( struct pipe_winsys *  winsys,
struct pipe_fence_handle **  ptr,
struct pipe_fence_handle *  fence 
) [static]

Definition at line 234 of file gdi_softpipe_winsys.c.

00237 {
00238 }

static int gdi_softpipe_fence_signalled ( struct pipe_winsys *  winsys,
struct pipe_fence_handle *  fence,
unsigned  flag 
) [static]

Definition at line 242 of file gdi_softpipe_winsys.c.

00245 {
00246    return 0;
00247 }

static void gdi_softpipe_flush_frontbuffer ( struct pipe_winsys *  winsys,
struct pipe_surface *  surface,
HDC  hDC 
) [static]

Definition at line 311 of file gdi_softpipe_winsys.c.

References pipe_surface::buffer, gdi_softpipe_buffer::data, pipe_surface::format, gdi_softpipe_buffer(), pipe_surface::height, pf_get_bits(), pf_get_size(), pipe_surface::stride, and pipe_surface::width.

00314 {
00315     struct gdi_softpipe_buffer *buffer;
00316     BITMAPINFO bmi;
00317 
00318     buffer = gdi_softpipe_buffer(surface->buffer);
00319 
00320     memset(&bmi, 0, sizeof(BITMAPINFO));
00321     bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
00322     bmi.bmiHeader.biWidth = surface->stride / pf_get_size(surface->format);
00323     bmi.bmiHeader.biHeight= -(long)surface->height;
00324     bmi.bmiHeader.biPlanes = 1;
00325     bmi.bmiHeader.biBitCount = pf_get_bits(surface->format);
00326     bmi.bmiHeader.biCompression = BI_RGB;
00327     bmi.bmiHeader.biSizeImage = 0;
00328     bmi.bmiHeader.biXPelsPerMeter = 0;
00329     bmi.bmiHeader.biYPelsPerMeter = 0;
00330     bmi.bmiHeader.biClrUsed = 0;
00331     bmi.bmiHeader.biClrImportant = 0;
00332 
00333     StretchDIBits(hDC,
00334                   0, 0, surface->width, surface->height,
00335                   0, 0, surface->width, surface->height,
00336                   buffer->data, &bmi, 0, SRCCOPY);
00337 }

static const char* gdi_softpipe_get_name ( struct pipe_winsys *  winsys  )  [static]

Definition at line 106 of file gdi_softpipe_winsys.c.

00107 {
00108    return "softpipe";
00109 }

static struct pipe_screen* gdi_softpipe_screen_create ( void   )  [static, read]

Definition at line 267 of file gdi_softpipe_winsys.c.

References pipe_winsys::buffer_create, pipe_winsys::buffer_destroy, pipe_winsys::buffer_map, pipe_winsys::buffer_unmap, CALLOC_STRUCT, pipe_winsys::destroy, pipe_winsys::fence_finish, pipe_winsys::fence_reference, pipe_winsys::fence_signalled, pipe_winsys::flush_frontbuffer, gdi_softpipe_buffer_create(), gdi_softpipe_buffer_destroy(), gdi_softpipe_buffer_map(), gdi_softpipe_buffer_unmap(), gdi_softpipe_destroy(), gdi_softpipe_dummy_flush_frontbuffer(), gdi_softpipe_fence_finish(), gdi_softpipe_fence_reference(), gdi_softpipe_fence_signalled(), gdi_softpipe_get_name(), gdi_softpipe_surface_alloc(), gdi_softpipe_surface_alloc_storage(), gdi_softpipe_surface_release(), gdi_softpipe_user_buffer_create(), pipe_winsys::get_name, softpipe_create_screen(), pipe_winsys::surface_alloc, pipe_winsys::surface_alloc_storage, pipe_winsys::surface_release, and pipe_winsys::user_buffer_create.

00268 {
00269    static struct pipe_winsys *winsys;
00270    struct pipe_screen *screen;
00271 
00272    winsys = CALLOC_STRUCT(pipe_winsys);
00273    if(!winsys)
00274       return NULL;
00275 
00276    winsys->destroy = gdi_softpipe_destroy;
00277 
00278    winsys->buffer_create = gdi_softpipe_buffer_create;
00279    winsys->user_buffer_create = gdi_softpipe_user_buffer_create;
00280    winsys->buffer_map = gdi_softpipe_buffer_map;
00281    winsys->buffer_unmap = gdi_softpipe_buffer_unmap;
00282    winsys->buffer_destroy = gdi_softpipe_buffer_destroy;
00283 
00284    winsys->surface_alloc = gdi_softpipe_surface_alloc;
00285    winsys->surface_alloc_storage = gdi_softpipe_surface_alloc_storage;
00286    winsys->surface_release = gdi_softpipe_surface_release;
00287 
00288    winsys->fence_reference = gdi_softpipe_fence_reference;
00289    winsys->fence_signalled = gdi_softpipe_fence_signalled;
00290    winsys->fence_finish = gdi_softpipe_fence_finish;
00291 
00292    winsys->flush_frontbuffer = gdi_softpipe_dummy_flush_frontbuffer;
00293    winsys->get_name = gdi_softpipe_get_name;
00294 
00295    screen = softpipe_create_screen(winsys);
00296    if(!screen)
00297       gdi_softpipe_destroy(winsys);
00298 
00299    return screen;
00300 }

static struct pipe_surface* gdi_softpipe_surface_alloc ( struct pipe_winsys *  winsys  )  [static, read]

Definition at line 195 of file gdi_softpipe_winsys.c.

References assert, CALLOC_STRUCT, pipe_surface::refcount, and pipe_surface::winsys.

00196 {
00197    struct pipe_surface *surface = CALLOC_STRUCT(pipe_surface);
00198 
00199    assert(winsys);
00200 
00201    surface->refcount = 1;
00202    surface->winsys = winsys;
00203 
00204    return surface;
00205 }

static int gdi_softpipe_surface_alloc_storage ( struct pipe_winsys *  winsys,
struct pipe_surface *  surf,
unsigned  width,
unsigned  height,
enum pipe_format  format,
unsigned  flags,
unsigned  tex_usage 
) [static]

Definition at line 165 of file gdi_softpipe_winsys.c.

References assert, pipe_surface::block, pipe_surface::buffer, pipe_winsys::buffer_create, pipe_surface::format, pipe_surface::height, pipe_surface::nblocksx, pipe_surface::nblocksy, pf_get_block(), pf_get_nblocksx(), pf_get_nblocksy(), PIPE_BUFFER_USAGE_PIXEL, round_up(), pipe_format_block::size, pipe_surface::stride, pipe_surface::usage, and pipe_surface::width.

00171 {
00172    const unsigned alignment = 64;
00173 
00174    surf->width = width;
00175    surf->height = height;
00176    surf->format = format;
00177    pf_get_block(format, &surf->block);
00178    surf->nblocksx = pf_get_nblocksx(&surf->block, width);
00179    surf->nblocksy = pf_get_nblocksy(&surf->block, height);
00180    surf->stride = round_up(surf->nblocksx * surf->block.size, alignment);
00181    surf->usage = flags;
00182 
00183    assert(!surf->buffer);
00184    surf->buffer = winsys->buffer_create(winsys, alignment,
00185                                         PIPE_BUFFER_USAGE_PIXEL,
00186                                         surf->stride * surf->nblocksy);
00187    if(!surf->buffer)
00188       return -1;
00189 
00190    return 0;
00191 }

static void gdi_softpipe_surface_release ( struct pipe_winsys *  winsys,
struct pipe_surface **  s 
) [static]

Definition at line 209 of file gdi_softpipe_winsys.c.

References assert, pipe_surface::buffer, pipe_surface::refcount, pipe_surface::texture, and winsys_buffer_reference().

00211 {
00212    struct pipe_surface *surf = *s;
00213    assert(!surf->texture);
00214    surf->refcount--;
00215    if (surf->refcount == 0) {
00216       if (surf->buffer)
00217         winsys_buffer_reference(winsys, &surf->buffer, NULL);
00218       free(surf);
00219    }
00220    *s = NULL;
00221 }

static struct pipe_buffer* gdi_softpipe_user_buffer_create ( struct pipe_winsys *  winsys,
void *  ptr,
unsigned  bytes 
) [static, read]

Create buffer which wraps user-space data.

Definition at line 135 of file gdi_softpipe_winsys.c.

References gdi_softpipe_buffer::base, CALLOC_STRUCT, gdi_softpipe_buffer::data, pipe_buffer::refcount, pipe_buffer::size, TRUE, and gdi_softpipe_buffer::userBuffer.

00138 {
00139    struct gdi_softpipe_buffer *buffer;
00140 
00141    buffer = CALLOC_STRUCT(gdi_softpipe_buffer);
00142    if(!buffer)
00143       return NULL;
00144 
00145    buffer->base.refcount = 1;
00146    buffer->base.size = bytes;
00147    buffer->userBuffer = TRUE;
00148    buffer->data = ptr;
00149 
00150    return &buffer->base;
00151 }

static unsigned round_up ( unsigned  n,
unsigned  multiple 
) [static]

Round n up to next multiple.

Definition at line 158 of file gdi_softpipe_winsys.c.

00159 {
00160    return (n + multiple - 1) & ~(multiple - 1);
00161 }

Variable Documentation

struct stw_winsys stw_winsys [static]

Initial value:

 {
   &gdi_softpipe_screen_create,
   &gdi_softpipe_context_create,
   &gdi_softpipe_flush_frontbuffer
}

Definition at line 340 of file gdi_softpipe_winsys.c.

Generated on Tue Sep 29 06:25:49 2009 for Gallium3D by  doxygen 1.5.4