1 files changed, 170 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h
new file mode 100644
index 0000000000..f1d1ca89a9
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_context.h
@@ -0,0 +1,170 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+
+#ifndef CELL_CONTEXT_H
+#define CELL_CONTEXT_H
+
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_vbuf.h"
+#include "cell_winsys.h"
+#include "cell/common.h"
+#include "rtasm/rtasm_ppc_spe.h"
+#include "tgsi/tgsi_scan.h"
+
+struct cell_vbuf_render;
+
+struct cell_vertex_shader_state
+{
+   struct pipe_shader_state shader;
+   struct tgsi_shader_info info;
+   void *draw_data;
+};
+
+
+struct cell_fragment_shader_state
+{
+   struct pipe_shader_state shader;
+   struct tgsi_shader_info info;
+   void *data;
+};
+
+
+struct cell_blend_state {
+   struct pipe_blend_state base;
+
+   /**
+    * Generated code to perform alpha blending
+    */
+   struct spe_function code;
+};
+
+
+struct cell_depth_stencil_alpha_state {
+   struct pipe_depth_stencil_alpha_state   base;
+
+   /**
+    * Generated code to perform alpha, stencil, and depth testing on the SPE
+    */
+   struct spe_function code;
+
+};
+
+
+struct cell_context
+{
+   struct pipe_context pipe;
+
+   struct cell_winsys *winsys;
+
+   const struct cell_blend_state *blend;
+   const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
+   uint num_samplers;
+   const struct cell_depth_stencil_alpha_state   *depth_stencil;
+   const struct pipe_rasterizer_state *rasterizer;
+   const struct cell_vertex_shader_state *vs;
+   const struct cell_fragment_shader_state *fs;
+
+   struct spe_function logic_op;
+
+   struct pipe_blend_color blend_color;
+   struct pipe_clip_state clip;
+   struct pipe_constant_buffer constants[2];
+   struct pipe_framebuffer_state framebuffer;
+   struct pipe_poly_stipple poly_stipple;
+   struct pipe_scissor_state scissor;
+   struct cell_texture *texture[PIPE_MAX_SAMPLERS];
+   uint num_textures;
+   struct pipe_viewport_state viewport;
+   struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
+   uint num_vertex_buffers;
+   struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
+   uint num_vertex_elements;
+
+   ubyte *cbuf_map[PIPE_MAX_COLOR_BUFS];
+   ubyte *zsbuf_map;
+
+   struct pipe_surface *tex_surf;
+   uint *tex_map;
+
+   uint dirty;
+
+   /** The primitive drawing context */
+   struct draw_context *draw;
+   struct draw_stage *render_stage;
+
+   /** For post-transformed vertex buffering: */
+   struct cell_vbuf_render *vbuf_render;
+   struct draw_stage *vbuf;
+
+   struct vertex_info vertex_info;
+
+   /** Mapped constant buffers */
+   void *mapped_constants[PIPE_SHADER_TYPES];
+
+
+   uint num_spus;
+
+   /** Buffers for command batches, vertex/index data */
+   uint buffer_size[CELL_NUM_BUFFERS];
+   ubyte buffer[CELL_NUM_BUFFERS][CELL_BUFFER_SIZE] ALIGN16_ATTRIB;
+
+   int cur_batch;  /**< which buffer is being filled w/ commands */
+
+   /** [4] to ensure 16-byte alignment for each status word */
+   uint buffer_status[CELL_MAX_SPUS][CELL_NUM_BUFFERS][4] ALIGN16_ATTRIB;
+
+
+   struct spe_function attrib_fetch;
+   unsigned attrib_fetch_offsets[PIPE_MAX_ATTRIBS];
+};
+
+
+
+
+static INLINE struct cell_context *
+cell_context(struct pipe_context *pipe)
+{
+   return (struct cell_context *) pipe;
+}
+
+
+extern struct pipe_context *
+cell_create_context(struct pipe_screen *screen, struct cell_winsys *cws);
+
+extern void
+cell_vertex_shader_queue_flush(struct draw_context *draw);
+
+
+/* XXX find a better home for this */
+extern void cell_update_vertex_fetch(struct draw_context *draw);
+
+
+#endif /* CELL_CONTEXT_H */