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Diffstat (limited to 'src/gallium/winsys/g3dvl/xsp_winsys.c')
-rw-r--r--src/gallium/winsys/g3dvl/xsp_winsys.c290
1 files changed, 290 insertions, 0 deletions
diff --git a/src/gallium/winsys/g3dvl/xsp_winsys.c b/src/gallium/winsys/g3dvl/xsp_winsys.c
new file mode 100644
index 0000000000..698c2856a4
--- /dev/null
+++ b/src/gallium/winsys/g3dvl/xsp_winsys.c
@@ -0,0 +1,290 @@
+#include "vl_winsys.h"
+#include <X11/Xutil.h>
+#include <pipe/internal/p_winsys_screen.h>
+#include <pipe/p_state.h>
+#include <pipe/p_inlines.h>
+#include <util/u_memory.h>
+#include <util/u_math.h>
+#include <softpipe/sp_winsys.h>
+#include <softpipe/sp_texture.h>
+
+/* pipe_winsys implementation */
+
+struct xsp_pipe_winsys
+{
+ struct pipe_winsys base;
+ XImage fbimage;
+};
+
+struct xsp_context
+{
+ Display *display;
+ int screen;
+ Drawable drawable;
+ int drawable_bound;
+};
+
+struct xsp_buffer
+{
+ struct pipe_buffer base;
+ boolean is_user_buffer;
+ void *data;
+ void *mapped_data;
+};
+
+static struct pipe_buffer* xsp_buffer_create(struct pipe_winsys *pws, unsigned alignment, unsigned usage, unsigned size)
+{
+ struct xsp_buffer *buffer;
+
+ assert(pws);
+
+ buffer = calloc(1, sizeof(struct xsp_buffer));
+ pipe_reference_init(&buffer->base.reference, 1);
+ buffer->base.alignment = alignment;
+ buffer->base.usage = usage;
+ buffer->base.size = size;
+ buffer->data = align_malloc(size, alignment);
+
+ return (struct pipe_buffer*)buffer;
+}
+
+static struct pipe_buffer* xsp_user_buffer_create(struct pipe_winsys *pws, void *data, unsigned size)
+{
+ struct xsp_buffer *buffer;
+
+ assert(pws);
+
+ buffer = calloc(1, sizeof(struct xsp_buffer));
+ pipe_reference_init(&buffer->base.reference, 1);
+ buffer->base.size = size;
+ buffer->is_user_buffer = TRUE;
+ buffer->data = data;
+
+ return (struct pipe_buffer*)buffer;
+}
+
+static void* xsp_buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buffer, unsigned flags)
+{
+ struct xsp_buffer *xsp_buf = (struct xsp_buffer*)buffer;
+
+ assert(pws);
+ assert(buffer);
+
+ xsp_buf->mapped_data = xsp_buf->data;
+
+ return xsp_buf->mapped_data;
+}
+
+static void xsp_buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buffer)
+{
+ struct xsp_buffer *xsp_buf = (struct xsp_buffer*)buffer;
+
+ assert(pws);
+ assert(buffer);
+
+ xsp_buf->mapped_data = NULL;
+}
+
+static void xsp_buffer_destroy(struct pipe_winsys *pws, struct pipe_buffer *buffer)
+{
+ struct xsp_buffer *xsp_buf = (struct xsp_buffer*)buffer;
+
+ assert(pws);
+ assert(buffer);
+
+ if (!xsp_buf->is_user_buffer)
+ align_free(xsp_buf->data);
+
+ free(xsp_buf);
+}
+
+static struct pipe_buffer* xsp_surface_buffer_create
+(
+ struct pipe_winsys *pws,
+ unsigned width,
+ unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned *stride
+)
+{
+ const unsigned int ALIGNMENT = 1;
+ struct pipe_format_block block;
+ unsigned nblocksx, nblocksy;
+
+ pf_get_block(format, &block);
+ nblocksx = pf_get_nblocksx(&block, width);
+ nblocksy = pf_get_nblocksy(&block, height);
+ *stride = align(nblocksx * block.size, ALIGNMENT);
+
+ return pws->buffer_create(pws, ALIGNMENT,
+ usage,
+ *stride * nblocksy);
+}
+
+static void xsp_fence_reference(struct pipe_winsys *pws, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence)
+{
+ assert(pws);
+ assert(ptr);
+ assert(fence);
+}
+
+static int xsp_fence_signalled(struct pipe_winsys *pws, struct pipe_fence_handle *fence, unsigned flag)
+{
+ assert(pws);
+ assert(fence);
+
+ return 0;
+}
+
+static int xsp_fence_finish(struct pipe_winsys *pws, struct pipe_fence_handle *fence, unsigned flag)
+{
+ assert(pws);
+ assert(fence);
+
+ return 0;
+}
+
+static void xsp_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surface, void *context_private)
+{
+ struct xsp_pipe_winsys *xsp_winsys;
+ struct xsp_context *xsp_context;
+
+ assert(pws);
+ assert(surface);
+ assert(context_private);
+
+ xsp_winsys = (struct xsp_pipe_winsys*)pws;
+ xsp_context = (struct xsp_context*)context_private;
+
+ if (!xsp_context->drawable_bound)
+ return;
+
+ xsp_winsys->fbimage.width = surface->width;
+ xsp_winsys->fbimage.height = surface->height;
+ xsp_winsys->fbimage.bytes_per_line = surface->width * (xsp_winsys->fbimage.bits_per_pixel >> 3);
+ xsp_winsys->fbimage.data = ((struct xsp_buffer *)softpipe_texture(surface->texture)->buffer)->data + surface->offset;
+
+ XPutImage
+ (
+ xsp_context->display,
+ xsp_context->drawable,
+ XDefaultGC(xsp_context->display, xsp_context->screen),
+ &xsp_winsys->fbimage,
+ 0,
+ 0,
+ 0,
+ 0,
+ surface->width,
+ surface->height
+ );
+ XFlush(xsp_context->display);
+}
+
+static const char* xsp_get_name(struct pipe_winsys *pws)
+{
+ assert(pws);
+ return "X11 SoftPipe";
+}
+
+/* Show starts here */
+
+int bind_pipe_drawable(struct pipe_context *pipe, Drawable drawable)
+{
+ struct xsp_context *xsp_context;
+
+ assert(pipe);
+
+ xsp_context = pipe->priv;
+ xsp_context->drawable = drawable;
+ xsp_context->drawable_bound = 1;
+
+ return 0;
+}
+
+int unbind_pipe_drawable(struct pipe_context *pipe)
+{
+ struct xsp_context *xsp_context;
+
+ assert(pipe);
+
+ xsp_context = pipe->priv;
+ xsp_context->drawable_bound = 0;
+
+ return 0;
+}
+
+struct pipe_context* create_pipe_context(Display *display, int screen)
+{
+ struct xsp_pipe_winsys *xsp_winsys;
+ struct xsp_context *xsp_context;
+ struct pipe_screen *sp_screen;
+ struct pipe_context *sp_pipe;
+
+ assert(display);
+
+ xsp_winsys = calloc(1, sizeof(struct xsp_pipe_winsys));
+ xsp_winsys->base.buffer_create = xsp_buffer_create;
+ xsp_winsys->base.user_buffer_create = xsp_user_buffer_create;
+ xsp_winsys->base.buffer_map = xsp_buffer_map;
+ xsp_winsys->base.buffer_unmap = xsp_buffer_unmap;
+ xsp_winsys->base.buffer_destroy = xsp_buffer_destroy;
+ xsp_winsys->base.surface_buffer_create = xsp_surface_buffer_create;
+ xsp_winsys->base.fence_reference = xsp_fence_reference;
+ xsp_winsys->base.fence_signalled = xsp_fence_signalled;
+ xsp_winsys->base.fence_finish = xsp_fence_finish;
+ xsp_winsys->base.flush_frontbuffer = xsp_flush_frontbuffer;
+ xsp_winsys->base.get_name = xsp_get_name;
+
+ {
+ /* XXX: Can't use the returned XImage* directly,
+ since we don't have control over winsys destruction
+ and we wouldn't be able to free it */
+ XImage *template = XCreateImage
+ (
+ display,
+ XDefaultVisual(display, XDefaultScreen(display)),
+ XDefaultDepth(display, XDefaultScreen(display)),
+ ZPixmap,
+ 0,
+ NULL,
+ 0, /* Don't know the width and height until flush_frontbuffer */
+ 0,
+ 32,
+ 0
+ );
+
+ memcpy(&xsp_winsys->fbimage, template, sizeof(XImage));
+ XInitImage(&xsp_winsys->fbimage);
+
+ XDestroyImage(template);
+ }
+
+ sp_screen = softpipe_create_screen((struct pipe_winsys*)xsp_winsys);
+ sp_pipe = softpipe_create(sp_screen);
+
+ xsp_context = calloc(1, sizeof(struct xsp_context));
+ xsp_context->display = display;
+ xsp_context->screen = screen;
+
+ sp_pipe->priv = xsp_context;
+
+ return sp_pipe;
+}
+
+int destroy_pipe_context(struct pipe_context *pipe)
+{
+ struct pipe_screen *screen;
+ struct pipe_winsys *winsys;
+
+ assert(pipe);
+
+ screen = pipe->screen;
+ winsys = pipe->winsys;
+ free(pipe->priv);
+ pipe->destroy(pipe);
+ screen->destroy(screen);
+ free(winsys);
+
+ return 0;
+}