#define CELL_COMMON_H
#include "pipe/p_compiler.h"
-#include "pipe/p_util.h"
#include "pipe/p_format.h"
+#include "pipe/p_state.h"
/** The standard assert macro doesn't seem to work reliably */
#define ROUNDUP16(k) (((k) + 0xf) & ~0xf)
-#define CELL_MAX_SPUS 6
+#define CELL_MAX_SPUS 8
+
+#define CELL_MAX_SAMPLERS 4
+#define CELL_MAX_TEXTURE_LEVELS 12 /* 2k x 2k */
+#define CELL_MAX_CONSTANTS 32 /**< number of float[4] constants */
+#define CELL_MAX_WIDTH 1024 /**< max framebuffer width */
+#define CELL_MAX_HEIGHT 1024 /**< max framebuffer width */
#define TILE_SIZE 32
#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_FRAGMENT_OPS 11
#define CELL_CMD_STATE_SAMPLER 12
#define CELL_CMD_STATE_TEXTURE 13
#define CELL_CMD_STATE_VERTEX_INFO 14
#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_FRAGMENT_PROGRAM 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_CMD_STATE_FS_CONSTANTS 21
+#define CELL_CMD_STATE_RASTERIZER 22
+#define CELL_CMD_VS_EXECUTE 23
+#define CELL_CMD_FLUSH_BUFFER_RANGE 24
+#define CELL_CMD_FENCE 25
+/** Command/batch buffers */
#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
+/** Debug flags */
+#define CELL_DEBUG_CHECKER (1 << 0)
+#define CELL_DEBUG_ASM (1 << 1)
+#define CELL_DEBUG_SYNC (1 << 2)
+#define CELL_DEBUG_FRAGMENT_OPS (1 << 3)
+#define CELL_DEBUG_FRAGMENT_OP_FALLBACK (1 << 4)
+#define CELL_DEBUG_CMD (1 << 5)
+#define CELL_DEBUG_CACHE (1 << 6)
+
+#define CELL_FENCE_IDLE 0
+#define CELL_FENCE_EMITTED 1
+#define CELL_FENCE_SIGNALLED 2
+
+#define CELL_FACING_FRONT 0
+#define CELL_FACING_BACK 1
+
+struct cell_fence
+{
+ /** There's a 16-byte status qword per SPU */
+ volatile uint status[CELL_MAX_SPUS][4];
+};
/**
+ * Fence command sent to SPUs. In response, the SPUs will write
+ * CELL_FENCE_STATUS_SIGNALLED back to the fence status word in main memory.
*/
-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? */
+struct cell_command_fence
+{
+ uint64_t opcode; /**< CELL_CMD_FENCE */
+ struct cell_fence *fence;
};
/**
- * Upload code to perform framebuffer blend operation
+ * Command to specify per-fragment operations state and generated code.
+ * Note that this is a variant-length structure, allocated with as
+ * much memory as needed to hold the generated code; the "code"
+ * field *must* be the last field in the structure. Also, the entire
+ * length of the structure (including the variant code field) must be
+ * a multiple of 8 bytes; we require that this structure itself be
+ * a multiple of 8 bytes, and that the generated code also be a multiple
+ * of 8 bytes.
+ *
+ * Also note that the dsa, blend, blend_color fields are really only needed
+ * for the fallback/C per-pixel code. They're not used when we generate
+ * dynamic SPU fragment code (which is the normal case), and will eventually
+ * be removed from this structure.
*/
-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_fragment_ops
+{
+ uint64_t opcode; /**< CELL_CMD_STATE_FRAGMENT_OPS */
+
+ /* Fields for the fallback case */
+ struct pipe_depth_stencil_alpha_state dsa;
+ struct pipe_blend_state blend;
+ struct pipe_blend_color blend_color;
+
+ /* Fields for the generated SPU code */
+ unsigned total_code_size;
+ unsigned front_code_index;
+ unsigned back_code_index;
+ /* this field has variant length, and must be the last field in
+ * the structure
+ */
+ unsigned code[0];
};
-struct cell_command_logicop {
- uint64_t base; /**< Effective address of code start. */
- unsigned size; /**< Size in bytes of SPE code. */
+/** Max instructions for fragment programs */
+#define SPU_MAX_FRAGMENT_PROGRAM_INSTS 512
+
+/**
+ * Command to send a fragment program to SPUs.
+ */
+struct cell_command_fragment_program
+{
+ uint64_t opcode; /**< CELL_CMD_STATE_FRAGMENT_PROGRAM */
+ uint num_inst; /**< Number of instructions */
+ unsigned code[SPU_MAX_FRAGMENT_PROGRAM_INSTS];
};
*/
struct cell_command_framebuffer
{
- uint64_t opcode; /**< CELL_CMD_FRAMEBUFFER */
+ uint64_t opcode; /**< CELL_CMD_STATE_FRAMEBUFFER */
int width, height;
void *color_start, *depth_start;
enum pipe_format color_format, depth_format;
};
+/**
+ * Tell SPUs about rasterizer state.
+ */
+struct cell_command_rasterizer
+{
+ uint64_t opcode; /**< CELL_CMD_STATE_RASTERIZER */
+ struct pipe_rasterizer_state rasterizer;
+};
+
+
/**
* Clear framebuffer to the given value/color.
*/
};
-struct cell_attribute_fetch_code {
+struct cell_attribute_fetch_code
+{
uint64_t base;
uint size;
};
-struct cell_buffer_range {
+struct cell_buffer_range
+{
uint64_t base;
unsigned size;
};
};
+struct cell_command_sampler
+{
+ uint64_t opcode; /**< CELL_CMD_STATE_SAMPLER */
+ uint unit;
+ struct pipe_sampler_state state;
+};
+
+
struct cell_command_texture
{
- void *start; /**< Address in main memory */
- uint width, height;
+ uint64_t opcode; /**< CELL_CMD_STATE_TEXTURE */
+ uint target; /**< PIPE_TEXTURE_x */
+ uint unit;
+ void *start[CELL_MAX_TEXTURE_LEVELS]; /**< Address in main memory */
+ ushort width[CELL_MAX_TEXTURE_LEVELS];
+ ushort height[CELL_MAX_TEXTURE_LEVELS];
+ ushort depth[CELL_MAX_TEXTURE_LEVELS];
};
-/** XXX unions don't seem to work */
-/* XXX this should go away; all commands should be placed in batch buffers */
-struct cell_command
+#define MAX_SPU_FUNCTIONS 12
+/**
+ * Used to tell the PPU about the address of particular functions in the
+ * SPU's address space.
+ */
+struct cell_spu_function_info
{
-#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;
+ uint num;
+ char names[MAX_SPU_FUNCTIONS][16];
+ uint addrs[MAX_SPU_FUNCTIONS];
+ char pad[12]; /**< Pad struct to multiple of 16 bytes (256 currently) */
+};
/** This is the object passed to spe_create_thread() */
{
unsigned id;
unsigned num_spus;
- struct cell_command *cmd;
+ unsigned debug_flags; /**< mask of CELL_DEBUG_x flags */
+ float inv_timebase; /**< 1.0/timebase, for perf measurement */
/** Buffers for command batches, vertex/index data */
ubyte *buffers[CELL_NUM_BUFFERS];
uint *buffer_status; /**< points at cell_context->buffer_status */
+
+ struct cell_spu_function_info *spu_functions;
} ALIGN16_ATTRIB;
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