st/xa: Initial import of the xa state-tracker and the xa-vmwgfx target.

See the file src/gallium/state_trackers/xa/README for more info.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

1 files changed, 179 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/xa/xa_priv.h b/src/gallium/state_trackers/xa/xa_priv.h
new file mode 100644
index 0000000000..57f2e3da54
--- /dev/null
+++ b/src/gallium/state_trackers/xa/xa_priv.h
@@ -0,0 +1,179 @@
+/**********************************************************
+ * Copyright 2009-2011 VMware, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *********************************************************
+ * Authors:
+ * Zack Rusin <zackr-at-vmware-dot-com>
+ * Thomas Hellstrom <thellstrom-at-vmware-dot-com>
+ */
+
+#ifndef _XA_PRIV_H_
+#define _XA_PRIV_H_
+
+#include "xa_tracker.h"
+#include "xa_context.h"
+
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+#define XA_VB_SIZE (100 * 4 * 3 * 4)
+#define XA_LAST_SURFACE_TYPE (xa_type_yuv_component + 1)
+
+struct xa_fence {
+    struct pipe_fence_handle *pipe_fence;
+    struct xa_tracker *xa;
+};
+
+struct xa_format_descriptor {
+    enum pipe_format format;
+    enum xa_formats xa_format;
+};
+
+struct xa_surface {
+    struct pipe_resource template;
+    struct xa_tracker *xa;
+    struct pipe_resource *tex;
+    struct pipe_surface *srf;
+    struct pipe_sampler_view *view;
+    unsigned int flags;
+    struct xa_format_descriptor fdesc;
+    struct pipe_transfer *transfer;
+    struct pipe_context *mapping_pipe;
+};
+
+struct xa_tracker {
+    enum xa_formats *supported_formats;
+    unsigned int format_map[XA_LAST_SURFACE_TYPE][2];
+    int d_depth_bits_last;
+    int ds_depth_bits_last;
+    struct pipe_screen *screen;
+    struct xa_context *default_ctx;
+};
+
+struct xa_context {
+    struct xa_tracker *xa;
+    struct pipe_context *pipe;
+
+    struct cso_context *cso;
+    struct xa_shaders *shaders;
+
+    struct pipe_resource *vs_const_buffer;
+    struct pipe_resource *fs_const_buffer;
+
+    float buffer[XA_VB_SIZE];
+    unsigned int buffer_size;
+    struct pipe_vertex_element velems[3];
+
+    /* number of attributes per vertex for the current
+     * draw operation */
+    unsigned int attrs_per_vertex;
+
+    unsigned int fb_width;
+    unsigned int fb_height;
+
+    struct pipe_fence_handle *last_fence;
+    struct xa_surface *src;
+    struct xa_surface *dst;
+};
+
+enum xa_vs_traits {
+    VS_COMPOSITE = 1 << 0,
+    VS_MASK = 1 << 1,
+    VS_SOLID_FILL = 1 << 2,
+    VS_LINGRAD_FILL = 1 << 3,
+    VS_RADGRAD_FILL = 1 << 4,
+    VS_YUV = 1 << 5,
+
+    VS_FILL = (VS_SOLID_FILL | VS_LINGRAD_FILL | VS_RADGRAD_FILL)
+};
+
+enum xa_fs_traits {
+    FS_COMPOSITE = 1 << 0,
+    FS_MASK = 1 << 1,
+    FS_SOLID_FILL = 1 << 2,
+    FS_LINGRAD_FILL = 1 << 3,
+    FS_RADGRAD_FILL = 1 << 4,
+    FS_CA_FULL = 1 << 5,	/* src.rgba * mask.rgba */
+    FS_CA_SRCALPHA = 1 << 6,	/* src.aaaa * mask.rgba */
+    FS_YUV = 1 << 7,
+    FS_SRC_REPEAT_NONE = 1 << 8,
+    FS_MASK_REPEAT_NONE = 1 << 9,
+    FS_SRC_SWIZZLE_RGB = 1 << 10,
+    FS_MASK_SWIZZLE_RGB = 1 << 11,
+    FS_SRC_SET_ALPHA = 1 << 12,
+    FS_MASK_SET_ALPHA = 1 << 13,
+    FS_SRC_LUMINANCE = 1 << 14,
+    FS_MASK_LUMINANCE = 1 << 15,
+
+    FS_FILL = (FS_SOLID_FILL | FS_LINGRAD_FILL | FS_RADGRAD_FILL),
+    FS_COMPONENT_ALPHA = (FS_CA_FULL | FS_CA_SRCALPHA)
+};
+
+struct xa_shader {
+    void *fs;
+    void *vs;
+};
+
+static inline int
+xa_min(int a, int b)
+{
+    return ((a <= b) ? a : b);
+}
+
+struct xa_shaders;
+
+/*
+ * xa_tgsi.c
+ */
+
+extern struct xa_shaders *xa_shaders_create(struct xa_context *);
+
+void xa_shaders_destroy(struct xa_shaders *shaders);
+
+struct xa_shader xa_shaders_get(struct xa_shaders *shaders,
+				unsigned vs_traits, unsigned fs_traits);
+
+/*
+ * xa_renderer.c
+ */
+void renderer_set_constants(struct xa_context *r,
+			    int shader_type, const float *params,
+			    int param_bytes);
+
+void renderer_draw_yuv(struct xa_context *r,
+		       float src_x,
+		       float src_y,
+		       float src_w,
+		       float src_h,
+		       int dst_x,
+		       int dst_y, int dst_w, int dst_h,
+		       struct xa_surface *srf[]);
+
+void renderer_bind_destination(struct xa_context *r,
+			       struct pipe_surface *surface, int width,
+			       int height);
+
+void renderer_init_state(struct xa_context *r);
+
+#endif