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authorJosé Fonseca <jrfonseca@tungstengraphics.com>2008-06-03 00:03:17 +0900
committerJosé Fonseca <jrfonseca@tungstengraphics.com>2008-06-03 00:05:54 +0900
commit7c22bb383a8fcccf71d7916ce91ae6cb17ac1e3c (patch)
tree800b1bb93d097c93ec90bd591cd8aaf1ffe57323 /src/gallium/winsys/gdi/wmesa.c
parent6a39bcf3752df7c22cdd38b4645a885eb318add8 (diff)
gdi: Port of the gdi mesa driver to gallium (Alan Hourihane).
Diffstat (limited to 'src/gallium/winsys/gdi/wmesa.c')
-rw-r--r--src/gallium/winsys/gdi/wmesa.c890
1 files changed, 890 insertions, 0 deletions
diff --git a/src/gallium/winsys/gdi/wmesa.c b/src/gallium/winsys/gdi/wmesa.c
new file mode 100644
index 0000000000..74a8292352
--- /dev/null
+++ b/src/gallium/winsys/gdi/wmesa.c
@@ -0,0 +1,890 @@
+/*
+ * Windows (Win32/Win64) device driver for Mesa
+ *
+ */
+
+#include "mtypes.h"
+#include <GL/wmesa.h>
+#include "wmesadef.h"
+
+#undef Elements
+
+#include "pipe/p_winsys.h"
+#include "pipe/p_format.h"
+#include "pipe/p_context.h"
+#include "pipe/p_util.h"
+#include "pipe/p_inlines.h"
+#include "softpipe/sp_winsys.h"
+#include "glapi/glapi.h"
+#include "colors.h"
+
+extern GLvisual *
+_mesa_create_visual( GLboolean rgbFlag,
+ GLboolean dbFlag,
+ GLboolean stereoFlag,
+ GLint redBits,
+ GLint greenBits,
+ GLint blueBits,
+ GLint alphaBits,
+ GLint indexBits,
+ GLint depthBits,
+ GLint stencilBits,
+ GLint accumRedBits,
+ GLint accumGreenBits,
+ GLint accumBlueBits,
+ GLint accumAlphaBits,
+ GLint numSamples );
+
+/* linked list of our Framebuffers (windows) */
+WMesaFramebuffer FirstFramebuffer = NULL;
+
+struct wmesa_pipe_winsys
+{
+ struct pipe_winsys base;
+};
+
+/**
+ * Choose the pixel format for the given visual.
+ * This will tell the gallium driver how to pack pixel data into
+ * drawing surfaces.
+ */
+static GLuint
+choose_pixel_format(GLvisual *v)
+{
+#if 1
+ return PIPE_FORMAT_A8R8G8B8_UNORM;
+#else
+ if ( GET_REDMASK(v) == 0x0000ff
+ && GET_GREENMASK(v) == 0x00ff00
+ && GET_BLUEMASK(v) == 0xff0000
+ && v->BitsPerPixel == 32) {
+ if (CHECK_BYTE_ORDER(v)) {
+ /* no byteswapping needed */
+ return 0 /* PIXEL_FORMAT_U_A8_B8_G8_R8 */;
+ }
+ else {
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
+ }
+ }
+ else if ( GET_REDMASK(v) == 0xff0000
+ && GET_GREENMASK(v) == 0x00ff00
+ && GET_BLUEMASK(v) == 0x0000ff
+ && v->BitsPerPixel == 32) {
+ if (CHECK_BYTE_ORDER(v)) {
+ /* no byteswapping needed */
+ return PIPE_FORMAT_A8R8G8B8_UNORM;
+ }
+ else {
+ return PIPE_FORMAT_B8G8R8A8_UNORM;
+ }
+ }
+ else if ( GET_REDMASK(v) == 0xf800
+ && GET_GREENMASK(v) == 0x07e0
+ && GET_BLUEMASK(v) == 0x001f
+ && CHECK_BYTE_ORDER(v)
+ && v->BitsPerPixel == 16) {
+ /* 5-6-5 RGB */
+ return PIPE_FORMAT_R5G6B5_UNORM;
+ }
+
+printf("BITS %d\n",v->BitsPerPixel);
+ assert(0);
+ return 0;
+#endif
+}
+
+/*
+ * Determine the pixel format based on the pixel size.
+ */
+static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC)
+{
+ /* Only 16 and 32 bit targets are supported now */
+ assert(pwfb->cColorBits == 0 ||
+ pwfb->cColorBits == 16 ||
+ pwfb->cColorBits == 32);
+
+ switch(pwfb->cColorBits){
+ case 8:
+ pwfb->pixelformat = PF_INDEX8;
+ break;
+ case 16:
+ pwfb->pixelformat = PF_5R6G5B;
+ break;
+ case 32:
+ pwfb->pixelformat = PF_8R8G8B;
+ break;
+ default:
+ pwfb->pixelformat = PF_BADFORMAT;
+ }
+}
+
+
+/**
+ * Create DIB for back buffer.
+ * We write into this memory with the span routines and then blit it
+ * to the window on a buffer swap.
+ */
+BOOL wmCreateBackingStore(WMesaFramebuffer pwfb, long lxSize, long lySize)
+{
+ HDC hdc = pwfb->hDC;
+ BITMAPINFO bmi;
+ LPBITMAPINFO pbmi = &bmi;
+ HDC hic;
+
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ pbmi->bmiHeader.biWidth = lxSize;
+ pbmi->bmiHeader.biHeight= -lySize;
+ pbmi->bmiHeader.biPlanes = 1;
+ pbmi->bmiHeader.biBitCount = pwfb->cColorBits;
+ pbmi->bmiHeader.biCompression = BI_RGB;
+ pbmi->bmiHeader.biSizeImage = 0;
+ pbmi->bmiHeader.biXPelsPerMeter = 0;
+ pbmi->bmiHeader.biYPelsPerMeter = 0;
+ pbmi->bmiHeader.biClrUsed = 0;
+ pbmi->bmiHeader.biClrImportant = 0;
+
+ hic = CreateIC("display", NULL, NULL, NULL);
+ pwfb->dib_hDC = CreateCompatibleDC(hic);
+
+ pwfb->hbmDIB = CreateDIBSection(hic,
+ pbmi,
+ DIB_RGB_COLORS,
+ (void **)&(pwfb->pbPixels),
+ 0,
+ 0);
+ pwfb->hOldBitmap = SelectObject(pwfb->dib_hDC, pwfb->hbmDIB);
+
+ DeleteDC(hic);
+
+ wmSetPixelFormat(pwfb, pwfb->hDC);
+ return TRUE;
+}
+
+/**
+ * Create a new WMesaFramebuffer object which will correspond to the
+ * given HDC (Window handle).
+ */
+WMesaFramebuffer
+wmesa_new_framebuffer(HDC hdc, GLvisual *visual, GLuint width, GLuint height)
+{
+ WMesaFramebuffer pwfb
+ = (WMesaFramebuffer) malloc(sizeof(struct wmesa_framebuffer));
+ if (pwfb) {
+ enum pipe_format colorFormat, depthFormat, stencilFormat;
+
+ /* determine PIPE_FORMATs for buffers */
+ colorFormat = choose_pixel_format(visual);
+
+ if (visual->depthBits == 0)
+ depthFormat = PIPE_FORMAT_NONE;
+ else if (visual->depthBits <= 16)
+ depthFormat = PIPE_FORMAT_Z16_UNORM;
+ else if (visual->depthBits <= 24)
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ depthFormat = PIPE_FORMAT_Z32_UNORM;
+
+ if (visual->stencilBits == 8) {
+ if (depthFormat == PIPE_FORMAT_S8Z24_UNORM)
+ stencilFormat = depthFormat;
+ else
+ stencilFormat = PIPE_FORMAT_S8_UNORM;
+ }
+ else {
+ stencilFormat = PIPE_FORMAT_NONE;
+ }
+
+ pwfb->stfb = st_create_framebuffer(visual,
+ colorFormat, depthFormat, stencilFormat,
+ width, height,
+ (void *) pwfb);
+
+ pwfb->cColorBits = GetDeviceCaps(hdc, BITSPIXEL);
+
+#if 0
+ wmCreateBackingStore(pwfb, width, height);
+#endif
+
+ pwfb->hDC = hdc;
+ /* insert at head of list */
+ pwfb->next = FirstFramebuffer;
+ FirstFramebuffer = pwfb;
+ }
+ return pwfb;
+}
+
+/**
+ * Given an hdc, free the corresponding WMesaFramebuffer
+ */
+void
+wmesa_free_framebuffer(HDC hdc)
+{
+ WMesaFramebuffer pwfb, prev;
+ for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) {
+ if (pwfb->hDC == hdc)
+ break;
+ prev = pwfb;
+ }
+ if (pwfb) {
+ if (pwfb == FirstFramebuffer)
+ FirstFramebuffer = pwfb->next;
+ else
+ prev->next = pwfb->next;
+ free(pwfb);
+ }
+}
+
+/**
+ * Given an hdc, return the corresponding WMesaFramebuffer
+ */
+WMesaFramebuffer
+wmesa_lookup_framebuffer(HDC hdc)
+{
+ WMesaFramebuffer pwfb;
+ for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) {
+ if (pwfb->hDC == hdc)
+ return pwfb;
+ }
+ return NULL;
+}
+
+
+/**
+ * Given a GLframebuffer, return the corresponding WMesaFramebuffer.
+ */
+static WMesaFramebuffer wmesa_framebuffer(GLframebuffer *fb)
+{
+ return (WMesaFramebuffer) fb;
+}
+
+
+/**
+ * Given a GLcontext, return the corresponding WMesaContext.
+ */
+static WMesaContext wmesa_context(const GLcontext *ctx)
+{
+ return (WMesaContext) ctx;
+}
+
+static wmDeleteBackingStore(WMesaFramebuffer pwfb)
+{
+ if (pwfb->hbmDIB) {
+ SelectObject(pwfb->dib_hDC, pwfb->hOldBitmap);
+ DeleteDC(pwfb->dib_hDC);
+ DeleteObject(pwfb->hbmDIB);
+ }
+}
+
+
+/**
+ * Find the width and height of the window named by hdc.
+ */
+static void
+get_window_size(HDC hdc, GLuint *width, GLuint *height)
+{
+ if (WindowFromDC(hdc)) {
+ RECT rect;
+ GetClientRect(WindowFromDC(hdc), &rect);
+ *width = rect.right - rect.left;
+ *height = rect.bottom - rect.top;
+ }
+ else { /* Memory context */
+ /* From contributed code - use the size of the desktop
+ * for the size of a memory context (?) */
+ *width = GetDeviceCaps(hdc, HORZRES);
+ *height = GetDeviceCaps(hdc, VERTRES);
+ }
+}
+
+/**
+ * Low-level OS/window system memory buffer
+ */
+struct wm_buffer
+{
+ struct pipe_buffer base;
+ boolean userBuffer; /** Is this a user-space buffer? */
+ void *data;
+ void *mapped;
+};
+
+struct wmesa_surface
+{
+ struct pipe_surface surface;
+
+ int no_swap;
+};
+
+
+/** Cast wrapper */
+static INLINE struct wmesa_surface *
+wmesa_surface(struct pipe_surface *ps)
+{
+// assert(0);
+ return (struct wmesa_surface *) ps;
+}
+
+/**
+ * Turn the softpipe opaque buffer pointer into a dri_bufmgr opaque
+ * buffer pointer...
+ */
+static INLINE struct wm_buffer *
+wm_buffer( struct pipe_buffer *buf )
+{
+ return (struct wm_buffer *)buf;
+}
+
+
+
+/* Most callbacks map direcly onto dri_bufmgr operations:
+ */
+static void *
+wm_buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
+ unsigned flags)
+{
+ struct wm_buffer *wm_buf = wm_buffer(buf);
+ wm_buf->mapped = wm_buf->data;
+ return wm_buf->mapped;
+}
+
+static void
+wm_buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
+{
+ struct wm_buffer *wm_buf = wm_buffer(buf);
+ wm_buf->mapped = NULL;
+}
+
+static void
+wm_buffer_destroy(struct pipe_winsys *pws,
+ struct pipe_buffer *buf)
+{
+ struct wm_buffer *oldBuf = wm_buffer(buf);
+
+ if (oldBuf->data) {
+ {
+ if (!oldBuf->userBuffer) {
+ align_free(oldBuf->data);
+ }
+ }
+
+ oldBuf->data = NULL;
+ }
+
+ free(oldBuf);
+}
+
+
+static void
+wm_flush_frontbuffer(struct pipe_winsys *pws,
+ struct pipe_surface *surf,
+ void *context_private)
+{
+ WMesaContext pwc = context_private;
+ WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(pwc->hDC);
+ struct wm_buffer *wm_buf;
+ BITMAPINFO bmi, *pbmi;
+
+#if 0
+ if (pwfb)
+ BitBlt(pwfb->hDC, 0, 0, pwfb->stfb->Base.Width, pwfb->stfb->Base.Height,
+ pwfb->dib_hDC, 0, 0, SRCCOPY);
+#else
+ wm_buf = wm_buffer(surf->buffer);
+
+ pbmi = &bmi;
+ memset(pbmi, 0, sizeof(BITMAPINFO));
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ pbmi->bmiHeader.biWidth = pwfb->stfb->Base.Width;
+ pbmi->bmiHeader.biHeight= -((long)pwfb->stfb->Base.Height);
+ pbmi->bmiHeader.biPlanes = 1;
+ pbmi->bmiHeader.biBitCount = pwfb->cColorBits;
+ pbmi->bmiHeader.biCompression = BI_RGB;
+ pbmi->bmiHeader.biSizeImage = 0;
+ pbmi->bmiHeader.biXPelsPerMeter = 0;
+ pbmi->bmiHeader.biYPelsPerMeter = 0;
+ pbmi->bmiHeader.biClrUsed = 0;
+ pbmi->bmiHeader.biClrImportant = 0;
+
+ StretchDIBits(pwfb->hDC, 0, 0, pwfb->stfb->Base.Width, pwfb->stfb->Base.Height, 0, 0, pwfb->stfb->Base.Width, pwfb->stfb->Base.Height, wm_buf->data, pbmi, 0, SRCCOPY);
+#endif
+}
+
+
+
+static const char *
+wm_get_name(struct pipe_winsys *pws)
+{
+ return "gdi";
+}
+
+static struct pipe_buffer *
+wm_buffer_create(struct pipe_winsys *pws,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size)
+{
+ struct wm_buffer *buffer = CALLOC_STRUCT(wm_buffer);
+
+ buffer->base.refcount = 1;
+ buffer->base.alignment = alignment;
+ buffer->base.usage = usage;
+ buffer->base.size = size;
+
+ if (buffer->data == NULL) {
+ /* align to 16-byte multiple for Cell */
+ buffer->data = align_malloc(size, max(alignment, 16));
+ }
+
+ return &buffer->base;
+}
+
+
+/**
+ * Create buffer which wraps user-space data.
+ */
+static struct pipe_buffer *
+wm_user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
+{
+ struct wm_buffer *buffer = CALLOC_STRUCT(wm_buffer);
+ buffer->base.refcount = 1;
+ buffer->base.size = bytes;
+ buffer->userBuffer = TRUE;
+ buffer->data = ptr;
+
+ return &buffer->base;
+}
+
+
+
+/**
+ * Round n up to next multiple.
+ */
+static INLINE unsigned
+round_up(unsigned n, unsigned multiple)
+{
+ return (n + multiple - 1) & ~(multiple - 1);
+}
+
+static int
+wm_surface_alloc_storage(struct pipe_winsys *winsys,
+ struct pipe_surface *surf,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned flags)
+{
+ const unsigned alignment = 64;
+
+ surf->width = width;
+ surf->height = height;
+ surf->format = format;
+ surf->cpp = pf_get_size(format);
+ surf->pitch = round_up(width, alignment / surf->cpp);
+
+ assert(!surf->buffer);
+ surf->buffer = winsys->buffer_create(winsys, alignment,
+ PIPE_BUFFER_USAGE_PIXEL,
+ surf->pitch * surf->cpp * height);
+ if(!surf->buffer)
+ return -1;
+
+ return 0;
+}
+
+
+/**
+ * Called via winsys->surface_alloc() to create new surfaces.
+ */
+static struct pipe_surface *
+wm_surface_alloc(struct pipe_winsys *ws)
+{
+ struct wmesa_surface *wms = CALLOC_STRUCT(wmesa_surface);
+ static boolean no_swap = 0;
+ static boolean firsttime = 1;
+
+ if (firsttime) {
+ no_swap = getenv("SP_NO_RAST") != NULL;
+ firsttime = 0;
+ }
+
+ assert(ws);
+
+ wms->surface.refcount = 1;
+ wms->surface.winsys = ws;
+
+ wms->no_swap = no_swap;
+
+ return &wms->surface;
+}
+
+static void
+wm_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
+{
+ struct pipe_surface *surf = *s;
+ surf->refcount--;
+ if (surf->refcount == 0) {
+ if (surf->buffer)
+ pipe_buffer_reference(winsys, &surf->buffer, NULL);
+ free(surf);
+ }
+ *s = NULL;
+}
+
+
+/*
+ * Fence functions - basically nothing to do, as we don't create any actual
+ * fence objects.
+ */
+
+static void
+wm_fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+}
+
+
+static int
+wm_fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ return 0;
+}
+
+
+static int
+wm_fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ return 0;
+}
+
+
+
+struct pipe_winsys *
+wmesa_get_pipe_winsys(GLvisual *visual)
+{
+ static struct wmesa_pipe_winsys *ws = NULL;
+
+ if (!ws) {
+ ws = CALLOC_STRUCT(wmesa_pipe_winsys);
+
+ /* Fill in this struct with callbacks that pipe will need to
+ * communicate with the window system, buffer manager, etc.
+ */
+ ws->base.buffer_create = wm_buffer_create;
+ ws->base.user_buffer_create = wm_user_buffer_create;
+ ws->base.buffer_map = wm_buffer_map;
+ ws->base.buffer_unmap = wm_buffer_unmap;
+ ws->base.buffer_destroy = wm_buffer_destroy;
+
+ ws->base.surface_alloc = wm_surface_alloc;
+ ws->base.surface_alloc_storage = wm_surface_alloc_storage;
+ ws->base.surface_release = wm_surface_release;
+
+ ws->base.fence_reference = wm_fence_reference;
+ ws->base.fence_signalled = wm_fence_signalled;
+ ws->base.fence_finish = wm_fence_finish;
+
+ ws->base.flush_frontbuffer = wm_flush_frontbuffer;
+ ws->base.get_name = wm_get_name;
+ }
+
+ return &ws->base;
+}
+
+
+
+/**********************************************************************/
+/***** WMESA Functions *****/
+/**********************************************************************/
+
+WMesaContext WMesaCreateContext(HDC hDC,
+ HPALETTE* Pal,
+ GLboolean rgb_flag,
+ GLboolean db_flag,
+ GLboolean alpha_flag)
+{
+ WMesaContext c;
+ struct pipe_winsys *pws;
+ struct pipe_context *pipe;
+ struct pipe_screen *screen;
+ GLint red_bits, green_bits, blue_bits, alpha_bits;
+ GLvisual *visual;
+
+ (void) Pal;
+
+ /* Indexed mode not supported */
+ if (!rgb_flag)
+ return NULL;
+
+ /* Allocate wmesa context */
+ c = CALLOC_STRUCT(wmesa_context);
+ if (!c)
+ return NULL;
+
+ c->hDC = hDC;
+
+ /* Get data for visual */
+ /* Dealing with this is actually a bit of overkill because Mesa will end
+ * up treating all color component size requests less than 8 by using
+ * a single byte per channel. In addition, the interface to the span
+ * routines passes colors as an entire byte per channel anyway, so there
+ * is nothing to be saved by telling the visual to be 16 bits if the device
+ * is 16 bits. That is, Mesa is going to compute colors down to 8 bits per
+ * channel anyway.
+ * But we go through the motions here anyway.
+ */
+ c->cColorBits = GetDeviceCaps(c->hDC, BITSPIXEL);
+
+ switch (c->cColorBits) {
+ case 16:
+ red_bits = green_bits = blue_bits = 5;
+ alpha_bits = 0;
+ break;
+ default:
+ red_bits = green_bits = blue_bits = 8;
+ alpha_bits = 8;
+ break;
+ }
+ /* Create visual based on flags */
+ visual = _mesa_create_visual(rgb_flag,
+ db_flag, /* db_flag */
+ GL_FALSE, /* stereo */
+ red_bits, green_bits, blue_bits, /* color RGB */
+ alpha_flag ? alpha_bits : 0, /* color A */
+ 0, /* index bits */
+ DEFAULT_SOFTWARE_DEPTH_BITS, /* depth_bits */
+ 8, /* stencil_bits */
+ 16,16,16, /* accum RGB */
+ alpha_flag ? 16 : 0, /* accum A */
+ 1); /* num samples */
+
+ if (!visual) {
+ _mesa_free(c);
+ return NULL;
+ }
+
+ pws = wmesa_get_pipe_winsys(visual);
+
+ screen = softpipe_create_screen(pws);
+
+ if (!screen) {
+ _mesa_free(c);
+ return NULL;
+ }
+
+ pipe = softpipe_create(screen, pws, NULL);
+
+ if (!pipe) {
+ /* FIXME - free screen */
+ _mesa_free(c);
+ return NULL;
+ }
+
+ pipe->priv = c;
+
+ c->st = st_create_context(pipe, visual, NULL);
+
+ c->st->ctx->DriverCtx = c;
+
+ return c;
+}
+
+
+void WMesaDestroyContext( WMesaContext pwc )
+{
+ GLcontext *ctx = pwc->st->ctx;
+ WMesaFramebuffer pwfb;
+ GET_CURRENT_CONTEXT(cur_ctx);
+
+ if (cur_ctx == ctx) {
+ /* unbind current if deleting current context */
+ WMesaMakeCurrent(NULL, NULL);
+ }
+
+ /* clean up frame buffer resources */
+ pwfb = wmesa_lookup_framebuffer(pwc->hDC);
+ if (pwfb) {
+#if 0
+ wmDeleteBackingStore(pwfb);
+#endif
+ wmesa_free_framebuffer(pwc->hDC);
+ }
+
+ /* Release for device, not memory contexts */
+ if (WindowFromDC(pwc->hDC) != NULL)
+ {
+ ReleaseDC(WindowFromDC(pwc->hDC), pwc->hDC);
+ }
+
+ st_destroy_context(pwc->st);
+ _mesa_free(pwc);
+}
+
+
+void WMesaMakeCurrent(WMesaContext c, HDC hdc)
+{
+ GLuint width = 0, height = 0;
+ WMesaFramebuffer pwfb;
+
+ {
+ /* return if already current */
+ GET_CURRENT_CONTEXT(ctx);
+ WMesaContext pwc = wmesa_context(ctx);
+ if (pwc && c == pwc && pwc->hDC == hdc)
+ return;
+ }
+
+ pwfb = wmesa_lookup_framebuffer(hdc);
+
+ if (hdc) {
+ get_window_size(hdc, &width, &height);
+ }
+
+ /* Lazy creation of framebuffers */
+ if (c && !pwfb && (hdc != 0)) {
+ GLvisual *visual = &c->st->ctx->Visual;
+
+ pwfb = wmesa_new_framebuffer(hdc, visual, width, height);
+ }
+
+ if (c && pwfb) {
+ st_make_current(c->st, pwfb->stfb, pwfb->stfb);
+
+ st_resize_framebuffer(pwfb->stfb, width, height);
+ }
+ else {
+ /* Detach */
+ st_make_current( NULL, NULL, NULL );
+ }
+}
+
+
+void WMesaSwapBuffers( HDC hdc )
+{
+ struct pipe_surface *surf;
+ struct wm_buffer *wm_buf;
+ WMesaFramebuffer pwfb = wmesa_lookup_framebuffer(hdc);
+ BITMAPINFO bmi, *pbmi;
+
+ if (!pwfb) {
+ _mesa_problem(NULL, "wmesa: swapbuffers on unknown hdc");
+ return;
+ }
+
+
+ /* If we're swapping the buffer associated with the current context
+ * we have to flush any pending rendering commands first.
+ */
+ st_notify_swapbuffers(pwfb->stfb);
+
+#if 0
+ BitBlt(pwfb->hDC, 0, 0, pwfb->stfb->Base.Width, pwfb->stfb->Base.Height,
+ pwfb->dib_hDC, 0, 0, SRCCOPY);
+#else
+ surf = st_get_framebuffer_surface(pwfb->stfb, ST_SURFACE_BACK_LEFT);
+ wm_buf = wm_buffer(surf->buffer);
+
+ pbmi = &bmi;
+ memset(pbmi, 0, sizeof(BITMAPINFO));
+ pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ pbmi->bmiHeader.biWidth = pwfb->stfb->Base.Width;
+ pbmi->bmiHeader.biHeight= -((long)pwfb->stfb->Base.Height);
+ pbmi->bmiHeader.biPlanes = 1;
+ pbmi->bmiHeader.biBitCount = pwfb->cColorBits;
+ pbmi->bmiHeader.biCompression = BI_RGB;
+ pbmi->bmiHeader.biSizeImage = 0;
+ pbmi->bmiHeader.biXPelsPerMeter = 0;
+ pbmi->bmiHeader.biYPelsPerMeter = 0;
+ pbmi->bmiHeader.biClrUsed = 0;
+ pbmi->bmiHeader.biClrImportant = 0;
+
+ StretchDIBits(pwfb->hDC, 0, 0, pwfb->stfb->Base.Width, pwfb->stfb->Base.Height, 0, 0, pwfb->stfb->Base.Width, pwfb->stfb->Base.Height, wm_buf->data, pbmi, 0, SRCCOPY);
+
+ {
+ GLuint width = 0, height = 0;
+
+ get_window_size(pwfb->hDC, &width, &height);
+
+ st_resize_framebuffer(pwfb->stfb, width, height);
+ }
+#endif
+}
+
+/* This is hopefully a temporary hack to define some needed dispatch
+ * table entries. Hopefully, I'll find a better solution. The
+ * dispatch table generation scripts ought to be making these dummy
+ * stubs as well. */
+#if !defined(__MINGW32__) || !defined(GL_NO_STDCALL)
+void gl_dispatch_stub_543(void){}
+void gl_dispatch_stub_544(void){}
+void gl_dispatch_stub_545(void){}
+void gl_dispatch_stub_546(void){}
+void gl_dispatch_stub_547(void){}
+void gl_dispatch_stub_548(void){}
+void gl_dispatch_stub_549(void){}
+void gl_dispatch_stub_550(void){}
+void gl_dispatch_stub_551(void){}
+void gl_dispatch_stub_552(void){}
+void gl_dispatch_stub_553(void){}
+void gl_dispatch_stub_554(void){}
+void gl_dispatch_stub_555(void){}
+void gl_dispatch_stub_556(void){}
+void gl_dispatch_stub_557(void){}
+void gl_dispatch_stub_558(void){}
+void gl_dispatch_stub_559(void){}
+void gl_dispatch_stub_560(void){}
+void gl_dispatch_stub_561(void){}
+void gl_dispatch_stub_565(void){}
+void gl_dispatch_stub_566(void){}
+void gl_dispatch_stub_577(void){}
+void gl_dispatch_stub_578(void){}
+void gl_dispatch_stub_603(void){}
+void gl_dispatch_stub_645(void){}
+void gl_dispatch_stub_646(void){}
+void gl_dispatch_stub_647(void){}
+void gl_dispatch_stub_648(void){}
+void gl_dispatch_stub_649(void){}
+void gl_dispatch_stub_650(void){}
+void gl_dispatch_stub_651(void){}
+void gl_dispatch_stub_652(void){}
+void gl_dispatch_stub_653(void){}
+void gl_dispatch_stub_733(void){}
+void gl_dispatch_stub_734(void){}
+void gl_dispatch_stub_735(void){}
+void gl_dispatch_stub_736(void){}
+void gl_dispatch_stub_737(void){}
+void gl_dispatch_stub_738(void){}
+void gl_dispatch_stub_744(void){}
+void gl_dispatch_stub_745(void){}
+void gl_dispatch_stub_746(void){}
+void gl_dispatch_stub_760(void){}
+void gl_dispatch_stub_761(void){}
+void gl_dispatch_stub_763(void){}
+void gl_dispatch_stub_765(void){}
+void gl_dispatch_stub_766(void){}
+void gl_dispatch_stub_767(void){}
+void gl_dispatch_stub_768(void){}
+
+void gl_dispatch_stub_562(void){}
+void gl_dispatch_stub_563(void){}
+void gl_dispatch_stub_564(void){}
+void gl_dispatch_stub_567(void){}
+void gl_dispatch_stub_568(void){}
+void gl_dispatch_stub_569(void){}
+void gl_dispatch_stub_580(void){}
+void gl_dispatch_stub_581(void){}
+void gl_dispatch_stub_606(void){}
+void gl_dispatch_stub_654(void){}
+void gl_dispatch_stub_655(void){}
+void gl_dispatch_stub_656(void){}
+void gl_dispatch_stub_739(void){}
+void gl_dispatch_stub_740(void){}
+void gl_dispatch_stub_741(void){}
+void gl_dispatch_stub_748(void){}
+void gl_dispatch_stub_749(void){}
+void gl_dispatch_stub_769(void){}
+void gl_dispatch_stub_770(void){}
+void gl_dispatch_stub_771(void){}
+void gl_dispatch_stub_772(void){}
+void gl_dispatch_stub_773(void){}
+
+#endif