+++ /dev/null
-/**************************************************************************
- *
- * 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.
- *
- **************************************************************************/
-
-#include "util/u_inlines.h"
-#include "util/u_memory.h"
-#include "util/u_math.h"
-#include "util/u_format.h"
-#include "cell_context.h"
-#include "cell_gen_fragment.h"
-#include "cell_state.h"
-#include "cell_state_emit.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.blend_color = cell->blend_color;
- 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_front, spe_code_back;
- unsigned int facing_dependent, total_code_size;
-
- if (0)
- debug_printf("**** Create New Fragment Ops\n");
-
- /* Prepare the buffer that will hold the generated code. The
- * "0" passed in for the size means that the SPE code will
- * use a default size.
- */
- spe_init_func(&spe_code_front, 0);
- spe_init_func(&spe_code_back, 0);
-
- /* Generate new code. Always generate new code for both front-facing
- * and back-facing fragments, even if it's the same code in both
- * cases.
- */
- cell_gen_fragment_function(cell, CELL_FACING_FRONT, &spe_code_front);
- cell_gen_fragment_function(cell, CELL_FACING_BACK, &spe_code_back);
-
- /* Make sure the code is a multiple of 8 bytes long; this is
- * required to ensure that the dual pipe instruction alignment
- * is correct. It's also important for the SPU unpacking,
- * which assumes 8-byte boundaries.
- */
- unsigned int front_code_size = spe_code_size(&spe_code_front);
- while (front_code_size % 8 != 0) {
- spe_lnop(&spe_code_front);
- front_code_size = spe_code_size(&spe_code_front);
- }
- unsigned int back_code_size = spe_code_size(&spe_code_back);
- while (back_code_size % 8 != 0) {
- spe_lnop(&spe_code_back);
- back_code_size = spe_code_size(&spe_code_back);
- }
-
- /* Determine whether the code we generated is facing-dependent, by
- * determining whether the generated code is different for the front-
- * and back-facing fragments.
- */
- if (front_code_size == back_code_size && memcmp(spe_code_front.store, spe_code_back.store, front_code_size) == 0) {
- /* Code is identical; only need one copy. */
- facing_dependent = 0;
- total_code_size = front_code_size;
- }
- else {
- /* Code is different for front-facing and back-facing fragments.
- * Need to send both copies.
- */
- facing_dependent = 1;
- total_code_size = front_code_size + back_code_size;
- }
-
- /* alloc new fragment ops command. Note that this structure
- * has variant length based on the total code size required.
- */
- ops = CALLOC_VARIANT_LENGTH_STRUCT(cell_command_fragment_ops, total_code_size);
- /* populate the new cell_command_fragment_ops object */
- ops->opcode[0] = CELL_CMD_STATE_FRAGMENT_OPS;
- ops->total_code_size = total_code_size;
- ops->front_code_index = 0;
- memcpy(ops->code, spe_code_front.store, front_code_size);
- if (facing_dependent) {
- /* We have separate front- and back-facing code. Append the
- * back-facing code to the buffer. Be careful because the code
- * size is in bytes, but the buffer is of unsigned elements.
- */
- ops->back_code_index = front_code_size / sizeof(spe_code_front.store[0]);
- memcpy(ops->code + ops->back_code_index, spe_code_back.store, back_code_size);
- }
- else {
- /* Use the same code for front- and back-facing fragments */
- ops->back_code_index = ops->front_code_index;
- }
-
- /* Set the fields for the fallback case. Note that these fields
- * (and the whole fallback case) will eventually go away.
- */
- ops->dsa = *cell->depth_stencil;
- ops->blend = *cell->blend;
- ops->blend_color = cell->blend_color;
-
- /* 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_front);
- spe_release_func(&spe_code_back);
- }
- 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)
-{
- uint32_t *dst = (uint32_t *)
- cell_batch_alloc16(cell, ROUNDUP16(sizeof(opcode_t) + state_size));
- *dst = cmd;
- memcpy(dst + 4, state, state_size);
-}
-
-
-/**
- * For state marked as 'dirty', construct a state-update command block
- * and insert it into the current batch buffer.
- */
-void
-cell_emit_state(struct cell_context *cell)
-{
- if (cell->dirty & CELL_NEW_FRAMEBUFFER) {
- struct pipe_surface *cbuf = cell->framebuffer.cbufs[0];
- struct pipe_surface *zbuf = cell->framebuffer.zsbuf;
- STATIC_ASSERT(sizeof(struct cell_command_framebuffer) % 16 == 0);
- struct cell_command_framebuffer *fb
- = cell_batch_alloc16(cell, sizeof(*fb));
- fb->opcode[0] = CELL_CMD_STATE_FRAMEBUFFER;
- fb->color_start = cell->cbuf_map[0];
- fb->color_format = cbuf->format;
- fb->depth_start = cell->zsbuf_map;
- fb->depth_format = zbuf ? zbuf->format : PIPE_FORMAT_NONE;
- fb->width = cell->framebuffer.width;
- fb->height = cell->framebuffer.height;
-#if 0
- printf("EMIT color format %s\n", util_format_name(fb->color_format));
- printf("EMIT depth format %s\n", util_format_name(fb->depth_format));
-#endif
- }
-
- if (cell->dirty & (CELL_NEW_RASTERIZER)) {
- STATIC_ASSERT(sizeof(struct cell_command_rasterizer) % 16 == 0);
- struct cell_command_rasterizer *rast =
- cell_batch_alloc16(cell, sizeof(*rast));
- rast->opcode[0] = CELL_CMD_STATE_RASTERIZER;
- rast->rasterizer = *cell->rasterizer;
- }
-
- if (cell->dirty & (CELL_NEW_FS)) {
- /* Send new fragment program to SPUs */
- STATIC_ASSERT(sizeof(struct cell_command_fragment_program) % 16 == 0);
- struct cell_command_fragment_program *fp
- = cell_batch_alloc16(cell, sizeof(*fp));
- fp->opcode[0] = CELL_CMD_STATE_FRAGMENT_PROGRAM;
- fp->num_inst = cell->fs->code.num_inst;
- memcpy(&fp->code, cell->fs->code.store,
- SPU_MAX_FRAGMENT_PROGRAM_INSTS * SPE_INST_SIZE);
- if (0) {
- int i;
- printf("PPU Emit CELL_CMD_STATE_FRAGMENT_PROGRAM:\n");
- for (i = 0; i < fp->num_inst; i++) {
- printf(" %3d: 0x%08x\n", i, fp->code[i]);
- }
- }
- }
-
- if (cell->dirty & (CELL_NEW_FS_CONSTANTS)) {
- const uint shader = PIPE_SHADER_FRAGMENT;
- const uint num_const = cell->constants[shader]->width0 / sizeof(float);
- uint i, j;
- float *buf = cell_batch_alloc16(cell, ROUNDUP16(32 + num_const * sizeof(float)));
- uint32_t *ibuf = (uint32_t *) buf;
- const float *constants = cell->mapped_constants[shader];
- ibuf[0] = CELL_CMD_STATE_FS_CONSTANTS;
- ibuf[4] = num_const;
- j = 8;
- for (i = 0; i < num_const; i++) {
- buf[j++] = constants[i];
- }
- }
-
- if (cell->dirty & (CELL_NEW_FRAMEBUFFER |
- CELL_NEW_DEPTH_STENCIL |
- CELL_NEW_BLEND)) {
- struct cell_command_fragment_ops *fops, *fops_cmd;
- /* Note that cell_command_fragment_ops is a variant-sized record */
- fops = lookup_fragment_ops(cell);
- fops_cmd = cell_batch_alloc16(cell, ROUNDUP16(sizeof(*fops_cmd) + fops->total_code_size));
- memcpy(fops_cmd, fops, sizeof(*fops) + fops->total_code_size);
- }
-
- if (cell->dirty & CELL_NEW_SAMPLER) {
- uint i;
- for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
- if (cell->dirty_samplers & (1 << i)) {
- if (cell->sampler[i]) {
- STATIC_ASSERT(sizeof(struct cell_command_sampler) % 16 == 0);
- struct cell_command_sampler *sampler
- = cell_batch_alloc16(cell, sizeof(*sampler));
- sampler->opcode[0] = CELL_CMD_STATE_SAMPLER;
- sampler->unit = i;
- sampler->state = *cell->sampler[i];
- }
- }
- }
- cell->dirty_samplers = 0x0;
- }
-
- if (cell->dirty & CELL_NEW_TEXTURE) {
- uint i;
- for (i = 0;i < CELL_MAX_SAMPLERS; i++) {
- if (cell->dirty_textures & (1 << i)) {
- STATIC_ASSERT(sizeof(struct cell_command_texture) % 16 == 0);
- struct cell_command_texture *texture =
- (struct cell_command_texture *)
- cell_batch_alloc16(cell, sizeof(*texture));
-
- texture->opcode[0] = CELL_CMD_STATE_TEXTURE;
- texture->unit = i;
- if (cell->texture[i]) {
- struct cell_resource *ct = cell->texture[i];
- uint level;
- for (level = 0; level < CELL_MAX_TEXTURE_LEVELS; level++) {
- texture->start[level] = (ct->mapped +
- ct->level_offset[level]);
- texture->width[level] = u_minify(ct->base.width0, level);
- texture->height[level] = u_minify(ct->base.height0, level);
- texture->depth[level] = u_minify(ct->base.depth0, level);
- }
- texture->target = ct->base.target;
- }
- else {
- uint level;
- for (level = 0; level < CELL_MAX_TEXTURE_LEVELS; level++) {
- texture->start[level] = NULL;
- texture->width[level] = 0;
- texture->height[level] = 0;
- texture->depth[level] = 0;
- }
- texture->target = 0;
- }
- }
- }
- cell->dirty_textures = 0x0;
- }
-
- if (cell->dirty & CELL_NEW_VERTEX_INFO) {
- emit_state_cmd(cell, CELL_CMD_STATE_VERTEX_INFO,
- &cell->vertex_info, sizeof(struct vertex_info));
- }
-
-#if 0
- if (cell->dirty & CELL_NEW_VS) {
- const struct draw_context *const draw = cell->draw;
- struct cell_shader_info info;
-
- info.num_outputs = draw_num_shader_outputs(draw);
- info.declarations = (uintptr_t) draw->vs.machine.Declarations;
- info.num_declarations = draw->vs.machine.NumDeclarations;
- info.instructions = (uintptr_t) draw->vs.machine.Instructions;
- info.num_instructions = draw->vs.machine.NumInstructions;
- info.immediates = (uintptr_t) draw->vs.machine.Imms;
- info.num_immediates = draw->vs.machine.ImmLimit / 4;
-
- emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, &info, sizeof(info));
- }
-#endif
-}
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