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Diffstat (limited to 'src/mesa/drivers/windows/gdi/wmesa.c')
-rw-r--r--src/mesa/drivers/windows/gdi/wmesa.c244
1 files changed, 129 insertions, 115 deletions
diff --git a/src/mesa/drivers/windows/gdi/wmesa.c b/src/mesa/drivers/windows/gdi/wmesa.c
index 08eee4d9dcc..21292494242 100644
--- a/src/mesa/drivers/windows/gdi/wmesa.c
+++ b/src/mesa/drivers/windows/gdi/wmesa.c
@@ -34,7 +34,7 @@ wmesa_new_framebuffer(HDC hdc, GLvisual *visual)
= (WMesaFramebuffer) malloc(sizeof(struct wmesa_framebuffer));
if (pwfb) {
_mesa_initialize_framebuffer(&pwfb->Base, visual);
- pwfb->hdc = hdc;
+ pwfb->hDC = hdc;
/* insert at head of list */
pwfb->next = FirstFramebuffer;
FirstFramebuffer = pwfb;
@@ -42,6 +42,26 @@ wmesa_new_framebuffer(HDC hdc, GLvisual *visual)
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
@@ -51,7 +71,7 @@ wmesa_lookup_framebuffer(HDC hdc)
{
WMesaFramebuffer pwfb;
for (pwfb = FirstFramebuffer; pwfb; pwfb = pwfb->next) {
- if (pwfb->hdc == hdc)
+ if (pwfb->hDC == hdc)
return pwfb;
}
return NULL;
@@ -90,27 +110,27 @@ static const GLubyte *wmesa_get_string(GLcontext *ctx, GLenum name)
/*
* Determine the pixel format based on the pixel size.
*/
-static void wmSetPixelFormat(WMesaContext pwc, HDC hDC)
+static void wmSetPixelFormat(WMesaFramebuffer pwfb, HDC hDC)
{
- pwc->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
+ pwfb->cColorBits = GetDeviceCaps(hDC, BITSPIXEL);
// Only 16 and 32 bit targets are supported now
- assert(pwc->cColorBits == 0 ||
- pwc->cColorBits == 16 ||
- pwc->cColorBits == 32);
+ assert(pwfb->cColorBits == 0 ||
+ pwfb->cColorBits == 16 ||
+ pwfb->cColorBits == 32);
- switch(pwc->cColorBits){
+ switch(pwfb->cColorBits){
case 8:
- pwc->pixelformat = PF_INDEX8;
+ pwfb->pixelformat = PF_INDEX8;
break;
case 16:
- pwc->pixelformat = PF_5R6G5B;
+ pwfb->pixelformat = PF_5R6G5B;
break;
case 32:
- pwc->pixelformat = PF_8R8G8B;
+ pwfb->pixelformat = PF_8R8G8B;
break;
default:
- pwc->pixelformat = PF_BADFORMAT;
+ pwfb->pixelformat = PF_BADFORMAT;
}
}
@@ -119,22 +139,18 @@ static void wmSetPixelFormat(WMesaContext pwc, HDC hDC)
* 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.
- *
- * XXX we should probably pass a WMesaFramebuffer ptr, not a WMesaContext!
*/
-BOOL wmCreateBackingStore(WMesaContext pwc, long lxSize, long lySize)
+BOOL wmCreateBackingStore(WMesaFramebuffer pwfb, long lxSize, long lySize)
{
- HDC hdc = pwc->hDC;
- LPBITMAPINFO pbmi = &(pwc->bmi);
+ HDC hdc = pwfb->hDC;
+ LPBITMAPINFO pbmi = &(pwfb->bmi);
HDC hic;
- assert(pwc->db_flag == GL_TRUE);
-
pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmi->bmiHeader.biWidth = lxSize;
pbmi->bmiHeader.biHeight= -lySize;
pbmi->bmiHeader.biPlanes = 1;
- pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwc->hDC, BITSPIXEL);
+ pbmi->bmiHeader.biBitCount = GetDeviceCaps(pwfb->hDC, BITSPIXEL);
pbmi->bmiHeader.biCompression = BI_RGB;
pbmi->bmiHeader.biSizeImage = 0;
pbmi->bmiHeader.biXPelsPerMeter = 0;
@@ -142,35 +158,33 @@ BOOL wmCreateBackingStore(WMesaContext pwc, long lxSize, long lySize)
pbmi->bmiHeader.biClrUsed = 0;
pbmi->bmiHeader.biClrImportant = 0;
- pwc->cColorBits = pbmi->bmiHeader.biBitCount;
- pwc->ScanWidth = (lxSize * (pwc->cColorBits / 8) + 3) & ~3;
+ pwfb->cColorBits = pbmi->bmiHeader.biBitCount;
+ pwfb->ScanWidth = (lxSize * (pwfb->cColorBits / 8) + 3) & ~3;
hic = CreateIC("display", NULL, NULL, NULL);
- pwc->dib.hDC = CreateCompatibleDC(hic);
+ pwfb->dib_hDC = CreateCompatibleDC(hic);
- pwc->hbmDIB = CreateDIBSection(hic,
- &pwc->bmi,
+ pwfb->hbmDIB = CreateDIBSection(hic,
+ &pwfb->bmi,
DIB_RGB_COLORS,
- (void **)&(pwc->pbPixels),
+ (void **)&(pwfb->pbPixels),
0,
0);
- pwc->hOldBitmap = SelectObject(pwc->dib.hDC, pwc->hbmDIB);
+ pwfb->hOldBitmap = SelectObject(pwfb->dib_hDC, pwfb->hbmDIB);
DeleteDC(hic);
- wmSetPixelFormat(pwc, pwc->hDC);
+ wmSetPixelFormat(pwfb, pwfb->hDC);
return TRUE;
}
-/* XXX pass WMesaFramebuffer, not WMesaContext.
- */
-static wmDeleteBackingStore(WMesaContext pwc)
+static wmDeleteBackingStore(WMesaFramebuffer pwfb)
{
- if (pwc->hbmDIB) {
- SelectObject(pwc->dib.hDC, pwc->hOldBitmap);
- DeleteDC(pwc->dib.hDC);
- DeleteObject(pwc->hbmDIB);
+ if (pwfb->hbmDIB) {
+ SelectObject(pwfb->dib_hDC, pwfb->hOldBitmap);
+ DeleteDC(pwfb->dib_hDC);
+ DeleteObject(pwfb->hbmDIB);
}
}
@@ -200,7 +214,7 @@ static void
wmesa_get_buffer_size(GLframebuffer *buffer, GLuint *width, GLuint *height)
{
WMesaFramebuffer pwfb = wmesa_framebuffer(buffer);
- get_window_size(pwfb->hdc, width, height);
+ get_window_size(pwfb->hDC, width, height);
}
@@ -209,13 +223,9 @@ static void wmesa_flush(GLcontext *ctx)
WMesaContext pwc = wmesa_context(ctx);
WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->WinSysDrawBuffer);
- /* XXX I guess we're _always_ double buffered and render to the back
- * buffer. So flushing involves copying the back color buffer to
- * the front.
- */
- if (pwc->db_flag) {
- BitBlt(pwc->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height,
- pwc->dib.hDC, 0, 0, SRCCOPY);
+ if (ctx->Visual.doubleBufferMode == 1) {
+ BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height,
+ pwfb->dib_hDC, 0, 0, SRCCOPY);
}
else {
/* Do nothing for single buffer */
@@ -247,8 +257,9 @@ static void clear_index(GLcontext *ctx, GLuint index)
static void clear_color(GLcontext *ctx, const GLfloat color[4])
{
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
GLubyte col[3];
- UINT bytesPerPixel = pwc->cColorBits / 8;
+ UINT bytesPerPixel = pwfb->cColorBits / 8;
CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]);
CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]);
@@ -279,6 +290,7 @@ static void clear(GLcontext *ctx,
#define FLIP(Y) (ctx->DrawBuffer->Height - (Y) - 1)
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
int done = 0;
/* Let swrast do all the work if the masks are not set to
@@ -295,7 +307,7 @@ static void clear(GLcontext *ctx,
if (mask & BUFFER_BIT_BACK_LEFT) {
int i, rowSize;
- UINT bytesPerPixel = pwc->cColorBits / 8;
+ UINT bytesPerPixel = pwfb->cColorBits / 8;
LPBYTE lpb, clearRow;
LPWORD lpw;
BYTE bColor;
@@ -313,8 +325,8 @@ static void clear(GLcontext *ctx,
bColor = BGR8(GetRValue(pwc->clearColorRef),
GetGValue(pwc->clearColorRef),
GetBValue(pwc->clearColorRef));
- memset(pwc->pbPixels, bColor,
- pwc->ScanWidth * height);
+ memset(pwfb->pbPixels, bColor,
+ pwfb->ScanWidth * height);
done = 1;
break;
case 2:
@@ -322,8 +334,8 @@ static void clear(GLcontext *ctx,
GetGValue(pwc->clearColorRef),
GetBValue(pwc->clearColorRef));
if (((wColor >> 8) & 0xff) == (wColor & 0xff)) {
- memset(pwc->pbPixels, wColor & 0xff,
- pwc->ScanWidth * height);
+ memset(pwfb->pbPixels, wColor & 0xff,
+ pwfb->ScanWidth * height);
done = 1;
}
break;
@@ -334,9 +346,9 @@ static void clear(GLcontext *ctx,
GetGValue(pwc->clearColorRef) &&
GetRValue(pwc->clearColorRef) ==
GetBValue(pwc->clearColorRef)) {
- memset(pwc->pbPixels,
+ memset(pwfb->pbPixels,
GetRValue(pwc->clearColorRef),
- pwc->ScanWidth * height);
+ pwfb->ScanWidth * height);
done = 1;
}
break;
@@ -349,8 +361,8 @@ static void clear(GLcontext *ctx,
/* Need to clear a row at a time. Begin by setting the first
* row in the area to be cleared to the clear color. */
- clearRow = pwc->pbPixels +
- pwc->ScanWidth * FLIP(y) +
+ clearRow = pwfb->pbPixels +
+ pwfb->ScanWidth * FLIP(y) +
bytesPerPixel * x;
switch (bytesPerPixel) {
case 1:
@@ -392,11 +404,11 @@ static void clear(GLcontext *ctx,
} /* switch */
/* copy cleared row to other rows in buffer */
- lpb = clearRow - pwc->ScanWidth;
+ lpb = clearRow - pwfb->ScanWidth;
rowSize = width * bytesPerPixel;
for (i=1; i<height; i++) {
memcpy(lpb, clearRow, rowSize);
- lpb -= pwc->ScanWidth;
+ lpb -= pwfb->ScanWidth;
}
} /* not done */
mask &= ~BUFFER_BIT_BACK_LEFT;
@@ -615,13 +627,14 @@ static void write_rgba_span_32(const GLcontext *ctx,
const GLubyte mask[] )
{
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
GLuint i;
LPDWORD lpdw;
(void) ctx;
y=FLIP(y);
- lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
if (mask) {
for (i=0; i<n; i++)
if (mask[i])
@@ -644,13 +657,14 @@ static void write_rgb_span_32(const GLcontext *ctx,
const GLubyte mask[] )
{
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
GLuint i;
LPDWORD lpdw;
(void) ctx;
y=FLIP(y);
- lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
if (mask) {
for (i=0; i<n; i++)
if (mask[i])
@@ -678,7 +692,8 @@ static void write_mono_rgba_span_32(const GLcontext *ctx,
DWORD pixel;
GLuint i;
WMesaContext pwc = wmesa_context(ctx);
- lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
y=FLIP(y);
pixel = BGR32(color[RCOMP], color[GCOMP], color[BCOMP]);
if (mask) {
@@ -700,10 +715,11 @@ static void write_rgba_pixels_32(const GLcontext *ctx,
const GLubyte mask[])
{
GLuint i;
- WMesaContext pwc = wmesa_context(ctx);;
+ WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
for (i=0; i<n; i++)
if (mask[i])
- WMSETPIXEL32(pwc, FLIP(y[i]), x[i],
+ WMSETPIXEL32(pwfb, FLIP(y[i]), x[i],
rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
}
@@ -720,9 +736,10 @@ static void write_mono_rgba_pixels_32(const GLcontext *ctx,
{
GLuint i;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
for (i=0; i<n; i++)
if (mask[i])
- WMSETPIXEL32(pwc, FLIP(y[i]),x[i],color[RCOMP],
+ WMSETPIXEL32(pwfb, FLIP(y[i]),x[i],color[RCOMP],
color[GCOMP], color[BCOMP]);
}
@@ -736,9 +753,10 @@ static void read_rgba_span_32(const GLcontext *ctx,
DWORD pixel;
LPDWORD lpdw;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
y = FLIP(y);
- lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
for (i=0; i<n; i++) {
pixel = lpdw[i];
rgba[i][RCOMP] = (pixel & 0x00ff0000) >> 16;
@@ -759,10 +777,11 @@ static void read_rgba_pixels_32(const GLcontext *ctx,
DWORD pixel;
LPDWORD lpdw;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
for (i=0; i<n; i++) {
GLint y2 = FLIP(y[i]);
- lpdw = ((LPDWORD)(pwc->pbPixels + pwc->ScanWidth * y2)) + x[i];
+ lpdw = ((LPDWORD)(pwfb->pbPixels + pwfb->ScanWidth * y2)) + x[i];
pixel = lpdw[i];
rgba[i][RCOMP] = (pixel & 0x00ff0000) >> 16;
rgba[i][GCOMP] = (pixel & 0x0000ff00) >> 8;
@@ -790,13 +809,14 @@ static void write_rgba_span_16(const GLcontext *ctx,
const GLubyte mask[] )
{
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
GLuint i;
LPWORD lpw;
(void) ctx;
y=FLIP(y);
- lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
if (mask) {
for (i=0; i<n; i++)
if (mask[i])
@@ -819,13 +839,14 @@ static void write_rgb_span_16(const GLcontext *ctx,
const GLubyte mask[] )
{
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
GLuint i;
LPWORD lpw;
(void) ctx;
y=FLIP(y);
- lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
if (mask) {
for (i=0; i<n; i++)
if (mask[i])
@@ -853,8 +874,9 @@ static void write_mono_rgba_span_16(const GLcontext *ctx,
WORD pixel;
GLuint i;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
(void) ctx;
- lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
y=FLIP(y);
pixel = BGR16(color[RCOMP], color[GCOMP], color[BCOMP]);
if (mask) {
@@ -877,10 +899,11 @@ static void write_rgba_pixels_16(const GLcontext *ctx,
{
GLuint i;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
(void) ctx;
for (i=0; i<n; i++)
if (mask[i])
- WMSETPIXEL16(pwc, FLIP(y[i]), x[i],
+ WMSETPIXEL16(pwfb, FLIP(y[i]), x[i],
rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]);
}
@@ -897,10 +920,11 @@ static void write_mono_rgba_pixels_16(const GLcontext *ctx,
{
GLuint i;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
(void) ctx;
for (i=0; i<n; i++)
if (mask[i])
- WMSETPIXEL16(pwc, FLIP(y[i]),x[i],color[RCOMP],
+ WMSETPIXEL16(pwfb, FLIP(y[i]),x[i],color[RCOMP],
color[GCOMP], color[BCOMP]);
}
@@ -913,9 +937,10 @@ static void read_rgba_span_16(const GLcontext *ctx,
GLuint i, pixel;
LPWORD lpw;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
y = FLIP(y);
- lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * y)) + x;
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y)) + x;
for (i=0; i<n; i++) {
pixel = lpw[i];
/* Windows uses 5,5,5 for 16-bit */
@@ -936,10 +961,11 @@ static void read_rgba_pixels_16(const GLcontext *ctx,
GLuint i, pixel;
LPWORD lpw;
WMesaContext pwc = wmesa_context(ctx);
+ WMesaFramebuffer pwfb = wmesa_framebuffer(ctx->DrawBuffer);
for (i=0; i<n; i++) {
GLint y2 = FLIP(y[i]);
- lpw = ((LPWORD)(pwc->pbPixels + pwc->ScanWidth * y2)) + x[i];
+ lpw = ((LPWORD)(pwfb->pbPixels + pwfb->ScanWidth * y2)) + x[i];
pixel = lpw[i];
/* Windows uses 5,5,5 for 16-bit */
rgba[i][RCOMP] = (pixel & 0x7c00) >> 7;
@@ -1051,9 +1077,9 @@ wmesa_resize_buffers(GLcontext *ctx, GLframebuffer *buffer,
if (pwfb->Base.Width != width || pwfb->Base.Height != height) {
/* Realloc back buffer */
- if (pwc->db_flag) {
- wmDeleteBackingStore(pwc);
- wmCreateBackingStore(pwc, width, height);
+ if (ctx->Visual.doubleBufferMode == 1) {
+ wmDeleteBackingStore(pwfb);
+ wmCreateBackingStore(pwfb, width, height);
}
}
_mesa_resize_framebuffer(ctx, buffer, width, height);
@@ -1101,24 +1127,12 @@ static void wmesa_update_state(GLcontext *ctx, GLuint new_state)
_ac_InvalidateState(ctx, new_state);
_tnl_InvalidateState(ctx, new_state);
- /* TODO - need code to update the span functions in case the
- * renderer changes the target buffer (like a DB app writing to
- * the front buffer). */
+ /* TODO - This code is not complete yet because I
+ * don't know what to do for all state updates.
+ */
-#if 0
- { /* could check _NEW_BUFFERS bit flag here in new_state */
- /* In progress - Need to make the wmesa context inherit (by containment)
- the gl_context, so I can get access to the pixel format */
- struct gl_renderbuffer *rb;
- int pixelformat, double_buffer;
-
- rb = ctx->DrawBuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
- pixelformat = PF_5R6G5B; // hard code for now - see note above
- double_buffer = ctx->DrawBuffer->ColorDrawBuffer[0] == GL_BACK ? 1 : 0;
- if (rb)
- wmesa_set_renderbuffer_funcs(rb, pixelformat, double_buffer);
+ if (new_state & _NEW_BUFFERS) {
}
-#endif
}
@@ -1165,11 +1179,6 @@ WMesaContext WMesaCreateContext(HDC hDC,
c->hDC = hDC;
#endif
- /* rememember DC and flag settings */
- c->rgb_flag = rgb_flag;
- c->db_flag = db_flag;
- c->alpha_flag = alpha_flag;
-
/* 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
@@ -1249,6 +1258,7 @@ WMesaContext WMesaCreateContext(HDC hDC,
void WMesaDestroyContext( WMesaContext pwc )
{
GLcontext *ctx = &pwc->gl_ctx;
+ WMesaFramebuffer pwfb;
GET_CURRENT_CONTEXT(cur_ctx);
if (cur_ctx == ctx) {
@@ -1256,6 +1266,14 @@ void WMesaDestroyContext( WMesaContext pwc )
WMesaMakeCurrent(NULL, NULL);
}
+ /* clean up frame buffer resources */
+ pwfb = wmesa_lookup_framebuffer(pwc->hDC);
+ if (pwfb) {
+ if (ctx->Visual.doubleBufferMode == 1)
+ wmDeleteBackingStore(pwfb);
+ wmesa_free_framebuffer(pwc->hDC);
+ }
+
/* Release for device, not memory contexts */
if (WindowFromDC(pwc->hDC) != NULL)
{
@@ -1264,9 +1282,6 @@ void WMesaDestroyContext( WMesaContext pwc )
DeleteObject(pwc->clearPen);
DeleteObject(pwc->clearBrush);
- if (pwc->db_flag)
- wmDeleteBackingStore(pwc);
-
_swsetup_DestroyContext(ctx);
_tnl_DestroyContext(ctx);
_ac_DestroyContext(ctx);
@@ -1313,7 +1328,7 @@ void WMesaMakeCurrent(WMesaContext c, HDC hdc)
pwfb = wmesa_lookup_framebuffer(hdc);
/* Lazy creation of framebuffers */
- if (c && !pwfb) {
+ if (c && !pwfb && hdc) {
struct gl_renderbuffer *rb;
GLvisual *visual = &c->gl_ctx.Visual;
GLuint width, height;
@@ -1323,31 +1338,30 @@ void WMesaMakeCurrent(WMesaContext c, HDC hdc)
c->clearPen = CreatePen(PS_SOLID, 1, 0);
c->clearBrush = CreateSolidBrush(0);
+ pwfb = wmesa_new_framebuffer(hdc, visual);
+
/* Create back buffer if double buffered */
- if (c->db_flag) {
- wmCreateBackingStore(c, width, height);
+ if (visual->doubleBufferMode == 1) {
+ wmCreateBackingStore(pwfb, width, height);
}
- pwfb = wmesa_new_framebuffer(hdc, visual);
-
- /* need a color renderbuffer */
- /* XXX we need to make two renderbuffers if double-buffering,
- * one for front color buffer and one for the back.
- */
- rb = wmesa_new_renderbuffer();
- if (c->db_flag)
+ /* make render buffers */
+ if (visual->doubleBufferMode == 1) {
+ rb = wmesa_new_renderbuffer();
_mesa_add_renderbuffer(&pwfb->Base, BUFFER_BACK_LEFT, rb);
- else
- _mesa_add_renderbuffer(&pwfb->Base, BUFFER_FRONT_LEFT, rb);
- wmesa_set_renderbuffer_funcs(rb, c->pixelformat, c->db_flag);
+ wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, 1);
+ }
+ rb = wmesa_new_renderbuffer();
+ _mesa_add_renderbuffer(&pwfb->Base, BUFFER_FRONT_LEFT, rb);
+ wmesa_set_renderbuffer_funcs(rb, pwfb->pixelformat, 0);
- /* Let Mesa own the Depth, Stencil, and Accum buffers */
+ /* Let Mesa own the Depth, Stencil, and Accum buffers */
_mesa_add_soft_renderbuffers(&pwfb->Base,
GL_FALSE, /* color */
visual->depthBits > 0,
visual->stencilBits > 0,
visual->accumRedBits > 0,
- c->alpha_flag,
+ visual->alphaBits >0,
GL_FALSE);
}
@@ -1375,8 +1389,8 @@ void WMesaSwapBuffers( HDC hdc )
if (pwc->hDC == hdc) {
_mesa_notifySwapBuffers(ctx);
- BitBlt(pwc->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height,
- pwc->dib.hDC, 0, 0, SRCCOPY);
+ BitBlt(pwfb->hDC, 0, 0, pwfb->Base.Width, pwfb->Base.Height,
+ pwfb->dib_hDC, 0, 0, SRCCOPY);
}
else {
/* XXX for now only allow swapping current window */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 09:42:29 +0000