diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_state_emit.c')
-rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_emit.c | 114 |
1 files changed, 96 insertions, 18 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_state_emit.c b/src/gallium/drivers/cell/ppu/cell_state_emit.c index 2da3097983..cbfa393cfb 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_emit.c +++ b/src/gallium/drivers/cell/ppu/cell_state_emit.c @@ -25,18 +25,91 @@ * **************************************************************************/ +#include "pipe/p_inlines.h" #include "util/u_memory.h" #include "cell_context.h" #include "cell_gen_fragment.h" #include "cell_state.h" #include "cell_state_emit.h" -#include "cell_state_per_fragment.h" #include "cell_batch.h" #include "cell_texture.h" #include "draw/draw_context.h" #include "draw/draw_private.h" +/** + * Find/create a cell_command_fragment_ops object corresponding to the + * current blend/stencil/z/colormask/etc. state. + */ +static struct cell_command_fragment_ops * +lookup_fragment_ops(struct cell_context *cell) +{ + struct cell_fragment_ops_key key; + struct cell_command_fragment_ops *ops; + + /* + * Build key + */ + memset(&key, 0, sizeof(key)); + key.blend = *cell->blend; + key.dsa = *cell->depth_stencil; + + if (cell->framebuffer.cbufs[0]) + key.color_format = cell->framebuffer.cbufs[0]->format; + else + key.color_format = PIPE_FORMAT_NONE; + + if (cell->framebuffer.zsbuf) + key.zs_format = cell->framebuffer.zsbuf->format; + else + key.zs_format = PIPE_FORMAT_NONE; + + /* + * Look up key in cache. + */ + ops = (struct cell_command_fragment_ops *) + util_keymap_lookup(cell->fragment_ops_cache, &key); + + /* + * If not found, create/save new fragment ops command. + */ + if (!ops) { + struct spe_function spe_code; + + if (0) + debug_printf("**** Create New Fragment Ops\n"); + + /* Prepare the buffer that will hold the generated code. */ + spe_init_func(&spe_code, SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE); + + /* generate new code */ + cell_gen_fragment_function(cell, &spe_code); + + /* alloc new fragment ops command */ + ops = CALLOC_STRUCT(cell_command_fragment_ops); + + /* populate the new cell_command_fragment_ops object */ + ops->opcode = CELL_CMD_STATE_FRAGMENT_OPS; + memcpy(ops->code, spe_code.store, spe_code_size(&spe_code)); + ops->dsa = *cell->depth_stencil; + ops->blend = *cell->blend; + + /* insert cell_command_fragment_ops object into keymap/cache */ + util_keymap_insert(cell->fragment_ops_cache, &key, ops, NULL); + + /* release rtasm buffer */ + spe_release_func(&spe_code); + } + else { + if (0) + debug_printf("**** Re-use Fragment Ops\n"); + } + + return ops; +} + + + static void emit_state_cmd(struct cell_context *cell, uint cmd, const void *state, uint state_size) @@ -90,26 +163,31 @@ cell_emit_state(struct cell_context *cell) } } + if (cell->dirty & (CELL_NEW_FS_CONSTANTS)) { + const uint shader = PIPE_SHADER_FRAGMENT; + const uint num_const = cell->constants[shader].size / sizeof(float); + uint i, j; + float *buf = cell_batch_alloc(cell, 16 + num_const * sizeof(float)); + uint64_t *ibuf = (uint64_t *) buf; + const float *constants = pipe_buffer_map(cell->pipe.screen, + cell->constants[shader].buffer, + PIPE_BUFFER_USAGE_CPU_READ); + ibuf[0] = CELL_CMD_STATE_FS_CONSTANTS; + ibuf[1] = num_const; + j = 4; + for (i = 0; i < num_const; i++) { + buf[j++] = constants[i]; + } + pipe_buffer_unmap(cell->pipe.screen, cell->constants[shader].buffer); + } + if (cell->dirty & (CELL_NEW_FRAMEBUFFER | CELL_NEW_DEPTH_STENCIL | CELL_NEW_BLEND)) { - /* XXX we don't want to always do codegen here. We should have - * a hash/lookup table to cache previous results... - */ - struct cell_command_fragment_ops *fops - = cell_batch_alloc(cell, sizeof(*fops)); - struct spe_function spe_code; - - /* generate new code */ - cell_gen_fragment_function(cell, &spe_code); - /* put the new code into the batch buffer */ - fops->opcode = CELL_CMD_STATE_FRAGMENT_OPS; - memcpy(&fops->code, spe_code.store, - SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE); - fops->dsa = cell->depth_stencil->base; - fops->blend = cell->blend->base; - /* free codegen buffer */ - spe_release_func(&spe_code); + struct cell_command_fragment_ops *fops, *fops_cmd; + fops_cmd = cell_batch_alloc(cell, sizeof(*fops_cmd)); + fops = lookup_fragment_ops(cell); + memcpy(fops_cmd, fops, sizeof(*fops)); } if (cell->dirty & CELL_NEW_SAMPLER) { |