swpipe: Cleanup; Store GalliumContext

* Store GalliumContext in st_manager_private

src/add-ons/opengl/swpipe/GalliumContext.cpp

@@ -49,37 +49,14 @@ static void
 hgl_viewport(struct gl_context* glContext, GLint x, GLint y,
 	GLsizei width, GLsizei height)
 {
-	TRACE("%s(glContext: %p, x: %d, y: %d, width: %d, height: %d\n", __func__,
+	TRACE("%s(glContext: %p, x: %d, y: %d, w: %d, h: %d\n", __func__,
 		glContext, x, y, width, height);
 
-#if 0
-	struct hgl_context* context = DOWNCAST(hgl_context, gl_context, glContext);
-
-	if (!context) {
-		ERROR("%s: No context yet. bailing.\n", __func__);
-		return;
-	}
-
-	int32 bitmapWidth;
-	int32 bitmapHeight;
-
-	get_bitmap_size(context->bitmap, &bitmapWidth, &bitmapHeight);
-
-	if (width != bitmapWidth || height != bitmapHeight) {
-		struct gl_framebuffer *draw = glContext->WinSysDrawBuffer;
-		struct gl_framebuffer *read = glContext->WinSysReadBuffer;
-
-		if (draw)
-			_mesa_resize_framebuffer(glContext, draw, bitmapWidth, bitmapHeight);
-		if (read)
-			_mesa_resize_framebuffer(glContext, read, bitmapWidth, bitmapHeight);
-	}
-#endif
 	struct gl_framebuffer *draw = glContext->WinSysDrawBuffer;
 	struct gl_framebuffer *read = glContext->WinSysReadBuffer;
 
-	// TODO: SLOW! We need to check for changes in size here. 
-
+	// TODO: SLOW! We need to check for changes in bitmap vs gl_framebuffer
+	// size before doing a _mesa_resize_framebuffer.
 	if (draw)
 		_mesa_resize_framebuffer(glContext, draw, width, height);
 	if (read)
@@ -313,8 +290,8 @@ GalliumContext::CreateContext(Bitmap *bitmap)
 	// Convert Mesa calculated visual into state tracker visual
 	context->stVisual = hgl_fill_st_visual(glVisual);
 
-	context->draw = new GalliumFramebuffer(context->stVisual);
-	context->read = new GalliumFramebuffer(context->stVisual);
+	context->draw = new GalliumFramebuffer(context->stVisual, (void*)this);
+	context->read = new GalliumFramebuffer(context->stVisual, (void*)this);
 
 	if (!context->draw || !context->read) {
 		ERROR("%s: Problem allocating framebuffer!\n", __func__);
@@ -377,7 +354,7 @@ GalliumContext::CreateContext(Bitmap *bitmap)
 	//context->postProcess = pp_init(fScreen, context->postProcessEnable);
 
 	assert(!context->st->st_manager_private);
-	context->st->st_manager_private = (void*)context;
+	context->st->st_manager_private = (void*)this;
 
 	struct st_context *stContext = (struct st_context*)context->st;
 	
@@ -470,7 +447,7 @@ GalliumContext::SetCurrentContext(Bitmap *bitmap, context_id contextID)
 
 	if (!bitmap) {
 		api->make_current(context->api, NULL, NULL, NULL);
-		return B_ERROR;
+		return B_OK;
 	}
 
 	// Everything seems valid, lets set the new context.

src/add-ons/opengl/swpipe/GalliumFramebuffer.cpp

@@ -60,7 +60,8 @@ hgl_framebuffer_validate(struct st_framebuffer_iface* stfb,
 }
 
 
-GalliumFramebuffer::GalliumFramebuffer(struct st_visual* visual)
+GalliumFramebuffer::GalliumFramebuffer(struct st_visual* visual,
+	void* privateContext)
 	:
 	fBuffer(NULL)
 {
@@ -73,6 +74,7 @@ GalliumFramebuffer::GalliumFramebuffer(struct st_visual* visual)
 	fBuffer->visual = visual;
 	fBuffer->flush_front = hgl_framebuffer_flush_front;
 	fBuffer->validate = hgl_framebuffer_validate;
+	fBuffer->st_manager_private = privateContext;
 
 	pipe_mutex_init(fMutex);
 }

src/add-ons/opengl/swpipe/GalliumFramebuffer.h

@@ -18,7 +18,8 @@ extern "C" {
 
 class GalliumFramebuffer {
 public:
-							GalliumFramebuffer(struct st_visual* visual);
+							GalliumFramebuffer(struct st_visual* visual,
+								void* privateContext);
 							~GalliumFramebuffer();
 		status_t			Lock();
 		status_t			Unlock();

src/add-ons/opengl/swpipe/SoftwareWinsys.cpp

@@ -64,7 +64,7 @@ hook_winsys_displaytarget_create(struct sw_winsys* winsys,
 	unsigned textureUsage, enum pipe_format format, unsigned width,
 	unsigned height, unsigned alignment, unsigned* stride)
 {
-	CALLED();
+	TRACE("%s: %dx%d\n", __func__, width, height);
 
 	struct haiku_displaytarget* haikuDisplayTarget
 		= CALLOC_STRUCT(haiku_displaytarget);