1 files changed, 274 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/common.h b/src/gallium/drivers/cell/common.h
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+++ b/src/gallium/drivers/cell/common.h
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+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+/**
+ * Types and tokens which are common to the SPU and PPU code.
+ */
+
+
+#ifndef CELL_COMMON_H
+#define CELL_COMMON_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
+#include "pipe/p_state.h"
+
+
+/** The standard assert macro doesn't seem to work reliably */
+#define ASSERT(x) \
+   if (!(x)) { \
+      ubyte *p = NULL; \
+      fprintf(stderr, "%s:%d: %s(): assertion %s failed.\n", \
+              __FILE__, __LINE__, __FUNCTION__, #x);             \
+      *p = 0; \
+      exit(1); \
+   }
+
+
+/** for sanity checking */
+#define ASSERT_ALIGN16(ptr) \
+  ASSERT((((unsigned long) (ptr)) & 0xf) == 0);
+
+
+/** round up value to next multiple of 4 */
+#define ROUNDUP4(k)  (((k) + 0x3) & ~0x3)
+
+/** round up value to next multiple of 8 */
+#define ROUNDUP8(k)  (((k) + 0x7) & ~0x7)
+
+/** round up value to next multiple of 16 */
+#define ROUNDUP16(k)  (((k) + 0xf) & ~0xf)
+
+
+#define CELL_MAX_SPUS 6
+
+#define CELL_MAX_SAMPLERS 4
+
+#define TILE_SIZE 32
+
+
+/**
+ * The low byte of a mailbox word contains the command opcode.
+ * Remaining higher bytes are command specific.
+ */
+#define CELL_CMD_OPCODE_MASK 0xff
+
+#define CELL_CMD_EXIT                 1
+#define CELL_CMD_CLEAR_SURFACE        2
+#define CELL_CMD_FINISH               3
+#define CELL_CMD_RENDER               4
+#define CELL_CMD_BATCH                5
+#define CELL_CMD_RELEASE_VERTS        6
+#define CELL_CMD_STATE_FRAMEBUFFER   10
+#define CELL_CMD_STATE_DEPTH_STENCIL 11
+#define CELL_CMD_STATE_SAMPLER       12
+#define CELL_CMD_STATE_TEXTURE       13
+#define CELL_CMD_STATE_VERTEX_INFO   14
+#define CELL_CMD_STATE_VIEWPORT      15
+#define CELL_CMD_STATE_UNIFORMS      16
+#define CELL_CMD_STATE_VS_ARRAY_INFO 17
+#define CELL_CMD_STATE_BIND_VS       18
+#define CELL_CMD_STATE_BLEND         19
+#define CELL_CMD_STATE_ATTRIB_FETCH  20
+#define CELL_CMD_STATE_LOGICOP       21
+#define CELL_CMD_VS_EXECUTE          22
+#define CELL_CMD_FLUSH_BUFFER_RANGE  23
+
+
+#define CELL_NUM_BUFFERS 4
+#define CELL_BUFFER_SIZE (4*1024)  /**< 16KB would be the max */
+
+#define CELL_BUFFER_STATUS_FREE 10
+#define CELL_BUFFER_STATUS_USED 20
+
+
+
+/**
+ */
+struct cell_command_depth_stencil_alpha_test {
+   uint64_t base;               /**< Effective address of code start. */
+   unsigned size;               /**< Size in bytes of SPE code. */
+   unsigned read_depth;         /**< Flag: should depth be read? */
+   unsigned read_stencil;       /**< Flag: should stencil be read? */
+};
+
+
+/**
+ * Upload code to perform framebuffer blend operation
+ */
+struct cell_command_blend {
+   uint64_t base;               /**< Effective address of code start. */
+   unsigned size;               /**< Size in bytes of SPE code. */
+   unsigned read_fb;            /**< Flag: should framebuffer be read? */
+};
+
+
+struct cell_command_logicop {
+   uint64_t base;               /**< Effective address of code start. */
+   unsigned size;               /**< Size in bytes of SPE code. */
+};
+
+
+/**
+ * Tell SPUs about the framebuffer size, location
+ */
+struct cell_command_framebuffer
+{
+   uint64_t opcode;     /**< CELL_CMD_FRAMEBUFFER */
+   int width, height;
+   void *color_start, *depth_start;
+   enum pipe_format color_format, depth_format;
+};
+
+
+/**
+ * Clear framebuffer to the given value/color.
+ */
+struct cell_command_clear_surface
+{
+   uint64_t opcode;     /**< CELL_CMD_CLEAR_SURFACE */
+   uint surface; /**< Temporary: 0=color, 1=Z */
+   uint value;
+};
+
+
+/**
+ * Array info used by the vertex shader's vertex puller.
+ */
+struct cell_array_info
+{
+   uint64_t base;      /**< Base address of the 0th element. */
+   uint attr;          /**< Attribute that this state is for. */
+   uint pitch;         /**< Byte pitch from one entry to the next. */
+   uint size;
+   uint function_offset;
+};
+
+
+struct cell_attribute_fetch_code {
+   uint64_t base;
+   uint size;
+};
+
+
+struct cell_buffer_range {
+   uint64_t base;
+   unsigned size;
+};
+
+
+struct cell_shader_info
+{
+   uint64_t declarations;
+   uint64_t instructions;
+   uint64_t  immediates;
+
+   unsigned num_outputs;
+   unsigned num_declarations;
+   unsigned num_instructions;
+   unsigned num_immediates;
+};
+
+
+#define SPU_VERTS_PER_BATCH 64
+struct cell_command_vs
+{
+   uint64_t opcode;       /**< CELL_CMD_VS_EXECUTE */
+   uint64_t vOut[SPU_VERTS_PER_BATCH];
+   unsigned num_elts;
+   unsigned elts[SPU_VERTS_PER_BATCH];
+   float plane[12][4];
+   unsigned nr_planes;
+   unsigned nr_attrs;
+};
+
+
+struct cell_command_render
+{
+   uint64_t opcode;   /**< CELL_CMD_RENDER */
+   uint prim_type;    /**< PIPE_PRIM_x */
+   uint num_verts;
+   uint vertex_size;  /**< bytes per vertex */
+   uint num_indexes;
+   uint vertex_buf;  /**< which cell->buffer[] contains the vertex data */
+   float xmin, ymin, xmax, ymax;  /* XXX another dummy field */
+   uint min_index;
+   boolean inline_verts;
+};
+
+
+struct cell_command_release_verts
+{
+   uint64_t opcode;         /**< CELL_CMD_RELEASE_VERTS */
+   uint vertex_buf;    /**< in [0, CELL_NUM_BUFFERS-1] */
+};
+
+
+struct cell_command_sampler
+{
+   uint64_t opcode;         /**< CELL_CMD_STATE_SAMPLER */
+   uint unit;
+   struct pipe_sampler_state state;
+};
+
+
+struct cell_command_texture
+{
+   uint64_t opcode;     /**< CELL_CMD_STATE_TEXTURE */
+   uint unit;
+   void *start;         /**< Address in main memory */
+   ushort width, height;
+};
+
+
+/** XXX unions don't seem to work */
+/* XXX this should go away; all commands should be placed in batch buffers */
+struct cell_command
+{
+#if 0
+   struct cell_command_framebuffer fb;
+   struct cell_command_clear_surface clear;
+   struct cell_command_render render;
+#endif
+   struct cell_command_vs vs;
+} ALIGN16_ATTRIB;
+
+
+/** This is the object passed to spe_create_thread() */
+struct cell_init_info
+{
+   unsigned id;
+   unsigned num_spus;
+   struct cell_command *cmd;
+
+   /** Buffers for command batches, vertex/index data */
+   ubyte *buffers[CELL_NUM_BUFFERS];
+   uint *buffer_status;  /**< points at cell_context->buffer_status */
+} ALIGN16_ATTRIB;
+
+
+#endif /* CELL_COMMON_H */