diff options
Diffstat (limited to 'src/gallium/drivers/cell/common.h')
-rw-r--r-- | src/gallium/drivers/cell/common.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/src/gallium/drivers/cell/common.h b/src/gallium/drivers/cell/common.h index a670ed3c6e..98554d7f52 100644 --- a/src/gallium/drivers/cell/common.h +++ b/src/gallium/drivers/cell/common.h @@ -121,11 +121,6 @@ #define CELL_DEBUG_CMD (1 << 5) #define CELL_DEBUG_CACHE (1 << 6) -/** Max instructions for doing per-fragment operations */ -#define SPU_MAX_FRAGMENT_OPS_INSTS 128 - - - #define CELL_FENCE_IDLE 0 #define CELL_FENCE_EMITTED 1 #define CELL_FENCE_SIGNALLED 2 @@ -153,18 +148,36 @@ struct cell_command_fence /** * Command to specify per-fragment operations state and generated code. - * Note that the dsa, blend, blend_color fields are really only needed + * 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). + * dynamic SPU fragment code (which is the normal case), and will eventually + * be removed from this structure. */ 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; - unsigned code_front[SPU_MAX_FRAGMENT_OPS_INSTS]; - unsigned code_back[SPU_MAX_FRAGMENT_OPS_INSTS]; + + /* 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]; }; |