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Diffstat (limited to 'src/gallium/state_trackers/wgl/shared/stw_context.c')
-rw-r--r--src/gallium/state_trackers/wgl/shared/stw_context.c305
1 files changed, 152 insertions, 153 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.c b/src/gallium/state_trackers/wgl/shared/stw_context.c
index f890225242..662b5fbcd2 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_context.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_context.c
@@ -59,11 +59,12 @@ stw_copy_context(
pipe_mutex_lock( stw_dev->mutex );
- src = stw_lookup_context( hglrcSrc );
- dst = stw_lookup_context( hglrcDst );
+ src = stw_lookup_context_locked( hglrcSrc );
+ dst = stw_lookup_context_locked( hglrcDst );
if (src && dst) {
/* FIXME */
+ assert(0);
(void) src;
(void) dst;
(void) mask;
@@ -74,58 +75,61 @@ stw_copy_context(
return ret;
}
+BOOL
+stw_share_lists(
+ UINT_PTR hglrc1,
+ UINT_PTR hglrc2 )
+{
+ struct stw_context *ctx1;
+ struct stw_context *ctx2;
+ BOOL ret = FALSE;
+
+ pipe_mutex_lock( stw_dev->mutex );
+
+ ctx1 = stw_lookup_context_locked( hglrc1 );
+ ctx2 = stw_lookup_context_locked( hglrc2 );
+
+ if (ctx1 && ctx2 &&
+ ctx1->iPixelFormat == ctx2->iPixelFormat) {
+ ret = _mesa_share_state(ctx2->st->ctx, ctx1->st->ctx);
+ }
+
+ pipe_mutex_unlock( stw_dev->mutex );
+
+ return ret;
+}
+
UINT_PTR
stw_create_layer_context(
HDC hdc,
int iLayerPlane )
{
- uint pfi;
- const struct pixelformat_info *pf = NULL;
+ int iPixelFormat;
+ const struct stw_pixelformat_info *pfi;
+ GLvisual visual;
struct stw_context *ctx = NULL;
- GLvisual *visual = NULL;
struct pipe_screen *screen = NULL;
struct pipe_context *pipe = NULL;
- UINT_PTR hglrc = 0;
-
+
if(!stw_dev)
return 0;
if (iLayerPlane != 0)
return 0;
- pfi = stw_pixelformat_get( hdc );
- if (pfi == 0)
+ iPixelFormat = GetPixelFormat(hdc);
+ if(!iPixelFormat)
return 0;
-
- pf = pixelformat_get_info( pfi - 1 );
-
+
+ pfi = stw_pixelformat_get_info( iPixelFormat - 1 );
+ stw_pixelformat_visual(&visual, pfi);
+
ctx = CALLOC_STRUCT( stw_context );
if (ctx == NULL)
- return 0;
+ goto no_ctx;
ctx->hdc = hdc;
- ctx->color_bits = GetDeviceCaps( ctx->hdc, BITSPIXEL );
-
- /* Create visual based on flags
- */
- visual = _mesa_create_visual(
- GL_TRUE,
- (pf->flags & PF_FLAG_DOUBLEBUFFER) ? GL_TRUE : GL_FALSE,
- GL_FALSE,
- pf->color.redbits,
- pf->color.greenbits,
- pf->color.bluebits,
- pf->alpha.alphabits,
- 0,
- pf->depth.depthbits,
- pf->depth.stencilbits,
- 0,
- 0,
- 0,
- 0,
- (pf->flags & PF_FLAG_MULTISAMPLED) ? stw_query_samples() : 0 );
- if (visual == NULL)
- goto fail;
+ ctx->iPixelFormat = iPixelFormat;
screen = stw_dev->screen;
@@ -137,7 +141,7 @@ stw_create_layer_context(
pipe = stw_dev->stw_winsys->create_context( screen );
if (pipe == NULL)
- goto fail;
+ goto no_pipe;
#ifdef DEBUG
/* Wrap context */
@@ -145,34 +149,32 @@ stw_create_layer_context(
pipe = trace_context_create(stw_dev->screen, pipe);
#endif
+ /* pass to stw_flush_frontbuffer as context_private */
assert(!pipe->priv);
pipe->priv = hdc;
- ctx->st = st_create_context( pipe, visual, NULL );
+ ctx->st = st_create_context( pipe, &visual, NULL );
if (ctx->st == NULL)
- goto fail;
+ goto no_st_ctx;
ctx->st->ctx->DriverCtx = ctx;
pipe_mutex_lock( stw_dev->mutex );
- {
- hglrc = handle_table_add(stw_dev->ctx_table, ctx);
- }
+ ctx->hglrc = handle_table_add(stw_dev->ctx_table, ctx);
pipe_mutex_unlock( stw_dev->mutex );
-
- /* Success?
- */
- if (hglrc != 0)
- return hglrc;
-
-fail:
- if (visual)
- _mesa_destroy_visual( visual );
-
- if (pipe)
- pipe->destroy( pipe );
-
- FREE( ctx );
+ if (!ctx->hglrc)
+ goto no_hglrc;
+
+ return ctx->hglrc;
+
+no_hglrc:
+ st_destroy_context(ctx->st);
+ goto no_pipe; /* st_context_destroy already destroys pipe */
+no_st_ctx:
+ pipe->destroy( pipe );
+no_pipe:
+ FREE(ctx);
+no_ctx:
return 0;
}
@@ -187,38 +189,24 @@ stw_delete_context(
return FALSE;
pipe_mutex_lock( stw_dev->mutex );
+ ctx = stw_lookup_context_locked(hglrc);
+ handle_table_remove(stw_dev->ctx_table, hglrc);
+ pipe_mutex_unlock( stw_dev->mutex );
- ctx = stw_lookup_context(hglrc);
if (ctx) {
GLcontext *glctx = ctx->st->ctx;
GET_CURRENT_CONTEXT( glcurctx );
- struct stw_framebuffer *fb;
- /* Unbind current if deleting current context.
- */
+ /* Unbind current if deleting current context. */
if (glcurctx == glctx)
st_make_current( NULL, NULL, NULL );
- fb = framebuffer_from_hdc( ctx->hdc );
- if (fb)
- framebuffer_destroy( fb );
-
- if (WindowFromDC( ctx->hdc ) != NULL)
- ReleaseDC( WindowFromDC( ctx->hdc ), ctx->hdc );
-
- pipe_mutex_lock(stw_dev->mutex);
- {
- st_destroy_context(ctx->st);
- FREE(ctx);
- handle_table_remove(stw_dev->ctx_table, hglrc);
- }
- pipe_mutex_unlock(stw_dev->mutex);
+ st_destroy_context(ctx->st);
+ FREE(ctx);
ret = TRUE;
}
- pipe_mutex_unlock( stw_dev->mutex );
-
return ret;
}
@@ -226,62 +214,69 @@ BOOL
stw_release_context(
UINT_PTR hglrc )
{
- BOOL ret = FALSE;
+ struct stw_context *ctx;
if (!stw_dev)
- return ret;
+ return FALSE;
pipe_mutex_lock( stw_dev->mutex );
- {
- struct stw_context *ctx;
-
- /* XXX: The expectation is that ctx is the same context which is
- * current for this thread. We should check that and return False
- * if not the case.
- */
- ctx = stw_lookup_context( hglrc );
- if (ctx == NULL)
- goto done;
+ ctx = stw_lookup_context_locked( hglrc );
+ pipe_mutex_unlock( stw_dev->mutex );
- if (stw_make_current( NULL, 0 ) == FALSE)
- goto done;
+ if (!ctx)
+ return FALSE;
+
+ /* The expectation is that ctx is the same context which is
+ * current for this thread. We should check that and return False
+ * if not the case.
+ */
+ {
+ GLcontext *glctx = ctx->st->ctx;
+ GET_CURRENT_CONTEXT( glcurctx );
- ret = TRUE;
+ if (glcurctx != glctx)
+ return FALSE;
}
-done:
- pipe_mutex_unlock( stw_dev->mutex );
-
- return ret;
-}
-/* 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;
+ if (stw_make_current( NULL, 0 ) == FALSE)
+ return FALSE;
- GetClientRect( WindowFromDC( hdc ), &rect );
- *width = rect.right - rect.left;
- *height = rect.bottom - rect.top;
- }
- else {
- *width = GetDeviceCaps( hdc, HORZRES );
- *height = GetDeviceCaps( hdc, VERTRES );
- }
+ return TRUE;
}
+
UINT_PTR
stw_get_current_context( void )
{
- return stw_tls_get_data()->currentGLRC;
+ GET_CURRENT_CONTEXT( glcurctx );
+ struct stw_context *ctx;
+
+ if(!glcurctx)
+ return 0;
+
+ ctx = (struct stw_context *)glcurctx->DriverCtx;
+ assert(ctx);
+ if(!ctx)
+ return 0;
+
+ return ctx->hglrc;
}
HDC
stw_get_current_dc( void )
{
- return stw_tls_get_data()->currentDC;
+ GET_CURRENT_CONTEXT( glcurctx );
+ struct stw_context *ctx;
+
+ if(!glcurctx)
+ return NULL;
+
+ ctx = (struct stw_context *)glcurctx->DriverCtx;
+ assert(ctx);
+ if(!ctx)
+ return NULL;
+
+ return ctx->hdc;
}
BOOL
@@ -292,64 +287,68 @@ stw_make_current(
struct stw_context *ctx;
GET_CURRENT_CONTEXT( glcurctx );
struct stw_framebuffer *fb;
- GLuint width = 0;
- GLuint height = 0;
- struct stw_context *curctx;
if (!stw_dev)
- return FALSE;
-
- pipe_mutex_lock( stw_dev->mutex );
- ctx = stw_lookup_context( hglrc );
- pipe_mutex_unlock( stw_dev->mutex );
-
- stw_tls_get_data()->currentDC = hdc;
- stw_tls_get_data()->currentGLRC = hglrc;
+ goto fail;
if (glcurctx != NULL) {
+ struct stw_context *curctx;
curctx = (struct stw_context *) glcurctx->DriverCtx;
- if (curctx != ctx)
+ if (curctx->hglrc != hglrc)
st_flush(glcurctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+ /* Return if already current. */
+ if (curctx->hglrc == hglrc && curctx->hdc == hdc)
+ return TRUE;
}
if (hdc == NULL || hglrc == 0) {
- st_make_current( NULL, NULL, NULL );
- return TRUE;
+ return st_make_current( NULL, NULL, NULL );
}
- /* Return if already current.
- */
- if (glcurctx != NULL) {
- if (curctx != NULL && curctx == ctx && ctx->hdc == hdc)
- return TRUE;
- }
+ pipe_mutex_lock( stw_dev->mutex );
- fb = framebuffer_from_hdc( hdc );
+ ctx = stw_lookup_context_locked( hglrc );
+ if(!ctx)
+ goto fail;
- if (hdc != NULL)
- get_window_size( hdc, &width, &height );
+ fb = stw_framebuffer_from_hdc_locked( hdc );
+ if(!fb) {
+ /* Applications should call SetPixelFormat before creating a context,
+ * but not all do, and the opengl32 runtime seems to use a default pixel
+ * format in some cases, so we must create a framebuffer for those here
+ */
+ int iPixelFormat = GetPixelFormat(hdc);
+ if(iPixelFormat)
+ fb = stw_framebuffer_create_locked( hdc, iPixelFormat );
+ if(!fb)
+ goto fail;
+ }
+
+ pipe_mutex_unlock( stw_dev->mutex );
- /* Lazy creation of framebuffers.
- */
- if (fb == NULL && ctx != NULL && hdc != NULL) {
- GLvisual *visual = &ctx->st->ctx->Visual;
+ if(fb->iPixelFormat != ctx->iPixelFormat)
+ goto fail;
- fb = framebuffer_create( hdc, visual, width, height );
- if (fb == NULL)
- return FALSE;
- }
+ /* Lazy allocation of the frame buffer */
+ if(!stw_framebuffer_allocate(fb))
+ goto fail;
- if (ctx && fb) {
- st_make_current( ctx->st, fb->stfb, fb->stfb );
- framebuffer_resize( fb, width, height );
- ctx->hdc = hdc;
- ctx->st->pipe->priv = hdc;
- }
- else {
- /* Detach */
- st_make_current( NULL, NULL, NULL );
- }
+ /* Bind the new framebuffer */
+ ctx->hdc = hdc;
+
+ /* pass to stw_flush_frontbuffer as context_private */
+ ctx->st->pipe->priv = hdc;
+
+ if(!st_make_current( ctx->st, fb->stfb, fb->stfb ))
+ goto fail;
+ stw_framebuffer_resize(fb);
+
return TRUE;
+
+fail:
+ st_make_current( NULL, NULL, NULL );
+ return FALSE;
}