haiku: Add first Haiku renderer (softpipe)

* This shared library gets parsed by the
  system as a system "add-on"

1 files changed, 116 insertions, 0 deletions

diff --git a/src/gallium/targets/haiku-softpipe/GalliumFramebuffer.cpp b/src/gallium/targets/haiku-softpipe/GalliumFramebuffer.cpp
new file mode 100644
index 00000000000..48af2c57495
--- /dev/null
+++ b/src/gallium/targets/haiku-softpipe/GalliumFramebuffer.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2012-2013, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *      Artur Wyszynski, [email protected]
+ *      Alexander von Gluck IV, [email protected]
+ */
+
+
+#include "GalliumFramebuffer.h"
+
+extern "C" {
+#include "main/context.h"
+#include "main/framebuffer.h"
+#include "main/renderbuffer.h"
+#include "pipe/p_format.h"
+}
+
+
+#define TRACE_FRAMEBUFFER
+#ifdef TRACE_FRAEMBUFFER
+#   define TRACE(x...) printf("GalliumFramebuffer: " x)
+#   define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__)
+#else
+#   define TRACE(x...)
+#   define CALLED()
+#endif
+#define ERROR(x...) printf("GalliumFramebuffer: " x)
+
+
+static boolean
+hgl_framebuffer_flush_front(struct st_context_iface *stctx,
+	struct st_framebuffer_iface* stfb, enum st_attachment_type statt)
+{
+	CALLED();
+	// TODO: I have *NO* idea how we are going to access this data...
+
+	#if 0
+	struct stw_st_framebuffer *stwfb = stw_st_framebuffer(stfb);
+	pipe_mutex_lock(stwfb->fb->mutex);
+
+	struct pipe_resource* resource = textures[statt];
+	if (resource)
+		stw_framebuffer_present_locked(...);
+	#endif
+
+	return TRUE;
+}
+
+
+static boolean
+hgl_framebuffer_validate(struct st_context_iface* stctx,
+	struct st_framebuffer_iface* stfb,
+	const enum st_attachment_type* statts, unsigned count,
+	struct pipe_resource** out)
+{
+	CALLED();
+
+	return TRUE;
+}
+
+
+GalliumFramebuffer::GalliumFramebuffer(struct st_visual* visual,
+	void* privateContext)
+	:
+	fBuffer(NULL)
+{
+	CALLED();
+	fBuffer = CALLOC_STRUCT(st_framebuffer_iface);
+	if (!fBuffer) {
+		ERROR("%s: Couldn't calloc framebuffer!\n", __func__);
+		return;
+	}
+	fBuffer->visual = visual;
+	fBuffer->flush_front = hgl_framebuffer_flush_front;
+	fBuffer->validate = hgl_framebuffer_validate;
+	fBuffer->st_manager_private = privateContext;
+
+	pipe_mutex_init(fMutex);
+}
+
+
+GalliumFramebuffer::~GalliumFramebuffer()
+{
+	CALLED();
+	// We lock and unlock to try and make sure we wait for anything
+	// using the framebuffer to finish
+	Lock();
+	if (!fBuffer) {
+		ERROR("%s: Strange, no Gallium Framebuffer to free?\n", __func__);
+		return;
+	}
+	FREE(fBuffer);
+	Unlock();
+
+	pipe_mutex_destroy(fMutex);
+}
+
+
+status_t
+GalliumFramebuffer::Lock()
+{
+	CALLED();
+	pipe_mutex_lock(fMutex);
+	return B_OK;
+}
+
+
+status_t
+GalliumFramebuffer::Unlock()
+{
+	CALLED();
+	pipe_mutex_unlock(fMutex);
+	return B_OK;
+}