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Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_texture.c')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_texture.c644
1 files changed, 0 insertions, 644 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c
deleted file mode 100644
index 946a7050e5f..00000000000
--- a/src/gallium/drivers/cell/ppu/cell_texture.c
+++ /dev/null
@@ -1,644 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2006 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.
- *
- **************************************************************************/
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Michel Dänzer <michel@tungstengraphics.com>
- * Brian Paul
- */
-
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "util/u_transfer.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-
-#include "cell_context.h"
-#include "cell_screen.h"
-#include "cell_state.h"
-#include "cell_texture.h"
-
-#include "state_tracker/sw_winsys.h"
-
-
-
-static boolean
-cell_resource_layout(struct pipe_screen *screen,
- struct cell_resource *ct)
-{
- struct pipe_resource *pt = &ct->base;
- unsigned level;
- unsigned width = pt->width0;
- unsigned height = pt->height0;
- unsigned depth = pt->depth0;
-
- ct->buffer_size = 0;
-
- for (level = 0; level <= pt->last_level; level++) {
- unsigned size;
- unsigned w_tile, h_tile;
-
- assert(level < CELL_MAX_TEXTURE_LEVELS);
-
- /* width, height, rounded up to tile size */
- w_tile = align(width, TILE_SIZE);
- h_tile = align(height, TILE_SIZE);
-
- ct->stride[level] = util_format_get_stride(pt->format, w_tile);
-
- ct->level_offset[level] = ct->buffer_size;
-
- size = ct->stride[level] * util_format_get_nblocksy(pt->format, h_tile);
- if (pt->target == PIPE_TEXTURE_CUBE)
- size *= 6;
- else
- size *= depth;
-
- ct->buffer_size += size;
-
- width = u_minify(width, 1);
- height = u_minify(height, 1);
- depth = u_minify(depth, 1);
- }
-
- ct->data = align_malloc(ct->buffer_size, 16);
-
- return ct->data != NULL;
-}
-
-
-/**
- * Texture layout for simple color buffers.
- */
-static boolean
-cell_displaytarget_layout(struct pipe_screen *screen,
- struct cell_resource * ct)
-{
- struct sw_winsys *winsys = cell_screen(screen)->winsys;
-
- /* Round up the surface size to a multiple of the tile size?
- */
- ct->dt = winsys->displaytarget_create(winsys,
- ct->base.bind,
- ct->base.format,
- ct->base.width0,
- ct->base.height0,
- 16,
- &ct->dt_stride );
-
- return ct->dt != NULL;
-}
-
-static struct pipe_resource *
-cell_resource_create(struct pipe_screen *screen,
- const struct pipe_resource *templat)
-{
- struct cell_resource *ct = CALLOC_STRUCT(cell_resource);
- if (!ct)
- return NULL;
-
- ct->base = *templat;
- pipe_reference_init(&ct->base.reference, 1);
- ct->base.screen = screen;
-
- /* Create both a displaytarget (linear) and regular texture
- * (twiddled). Convert twiddled->linear at flush_frontbuffer time.
- */
- if (ct->base.bind & (PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_SCANOUT |
- PIPE_BIND_SHARED)) {
- if (!cell_displaytarget_layout(screen, ct))
- goto fail;
- }
-
- if (!cell_resource_layout(screen, ct))
- goto fail;
-
- return &ct->base;
-
-fail:
- if (ct->dt) {
- struct sw_winsys *winsys = cell_screen(screen)->winsys;
- winsys->displaytarget_destroy(winsys, ct->dt);
- }
-
- FREE(ct);
-
- return NULL;
-}
-
-
-static void
-cell_resource_destroy(struct pipe_screen *scrn, struct pipe_resource *pt)
-{
- struct cell_screen *screen = cell_screen(scrn);
- struct sw_winsys *winsys = screen->winsys;
- struct cell_resource *ct = cell_resource(pt);
-
- if (ct->dt) {
- /* display target */
- winsys->displaytarget_destroy(winsys, ct->dt);
- }
- else if (!ct->userBuffer) {
- align_free(ct->data);
- }
-
- FREE(ct);
-}
-
-
-
-/**
- * Convert image from linear layout to tiled layout. 4-byte pixels.
- */
-static void
-twiddle_image_uint(uint w, uint h, uint tile_size, uint *dst,
- uint src_stride, const uint *src)
-{
- const uint tile_size2 = tile_size * tile_size;
- const uint h_t = (h + tile_size - 1) / tile_size;
- const uint w_t = (w + tile_size - 1) / tile_size;
-
- uint it, jt; /* tile counters */
- uint i, j; /* intra-tile counters */
-
- src_stride /= 4; /* convert from bytes to pixels */
-
- /* loop over dest tiles */
- for (it = 0; it < h_t; it++) {
- for (jt = 0; jt < w_t; jt++) {
- /* start of dest tile: */
- uint *tdst = dst + (it * w_t + jt) * tile_size2;
-
- /* compute size of this tile (may be smaller than tile_size) */
- /* XXX note: a compiler bug was found here. That's why the code
- * looks as it does.
- */
- uint tile_width = w - jt * tile_size;
- tile_width = MIN2(tile_width, tile_size);
- uint tile_height = h - it * tile_size;
- tile_height = MIN2(tile_height, tile_size);
-
- /* loop over texels in the tile */
- for (i = 0; i < tile_height; i++) {
- for (j = 0; j < tile_width; j++) {
- const uint srci = it * tile_size + i;
- const uint srcj = jt * tile_size + j;
- ASSERT(srci < h);
- ASSERT(srcj < w);
- tdst[i * tile_size + j] = src[srci * src_stride + srcj];
- }
- }
- }
- }
-}
-
-
-/**
- * For Cell. Basically, rearrange the pixels/quads from this layout:
- * +--+--+--+--+
- * |p0|p1|p2|p3|....
- * +--+--+--+--+
- *
- * to this layout:
- * +--+--+
- * |p0|p1|....
- * +--+--+
- * |p2|p3|
- * +--+--+
- */
-static void
-twiddle_tile(const uint *tileIn, uint *tileOut)
-{
- int y, x;
-
- for (y = 0; y < TILE_SIZE; y+=2) {
- for (x = 0; x < TILE_SIZE; x+=2) {
- int k = 4 * (y/2 * TILE_SIZE/2 + x/2);
- tileOut[y * TILE_SIZE + (x + 0)] = tileIn[k];
- tileOut[y * TILE_SIZE + (x + 1)] = tileIn[k+1];
- tileOut[(y + 1) * TILE_SIZE + (x + 0)] = tileIn[k+2];
- tileOut[(y + 1) * TILE_SIZE + (x + 1)] = tileIn[k+3];
- }
- }
-}
-
-
-/**
- * Convert image from tiled layout to linear layout. 4-byte pixels.
- */
-static void
-untwiddle_image_uint(uint w, uint h, uint tile_size, uint *dst,
- uint dst_stride, const uint *src)
-{
- const uint tile_size2 = tile_size * tile_size;
- const uint h_t = (h + tile_size - 1) / tile_size;
- const uint w_t = (w + tile_size - 1) / tile_size;
- uint *tile_buf;
- uint it, jt; /* tile counters */
- uint i, j; /* intra-tile counters */
-
- dst_stride /= 4; /* convert from bytes to pixels */
-
- tile_buf = align_malloc(tile_size * tile_size * 4, 16);
-
- /* loop over src tiles */
- for (it = 0; it < h_t; it++) {
- for (jt = 0; jt < w_t; jt++) {
- /* start of src tile: */
- const uint *tsrc = src + (it * w_t + jt) * tile_size2;
-
- twiddle_tile(tsrc, tile_buf);
- tsrc = tile_buf;
-
- /* compute size of this tile (may be smaller than tile_size) */
- /* XXX note: a compiler bug was found here. That's why the code
- * looks as it does.
- */
- uint tile_width = w - jt * tile_size;
- tile_width = MIN2(tile_width, tile_size);
- uint tile_height = h - it * tile_size;
- tile_height = MIN2(tile_height, tile_size);
-
- /* loop over texels in the tile */
- for (i = 0; i < tile_height; i++) {
- for (j = 0; j < tile_width; j++) {
- uint dsti = it * tile_size + i;
- uint dstj = jt * tile_size + j;
- ASSERT(dsti < h);
- ASSERT(dstj < w);
- dst[dsti * dst_stride + dstj] = tsrc[i * tile_size + j];
- }
- }
- }
- }
-
- align_free(tile_buf);
-}
-
-
-static struct pipe_surface *
-cell_create_surface(struct pipe_context *ctx,
- struct pipe_resource *pt,
- const struct pipe_surface *surf_tmpl)
-{
- struct cell_resource *ct = cell_resource(pt);
- struct pipe_surface *ps;
-
- assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
- ps = CALLOC_STRUCT(pipe_surface);
- if (ps) {
- pipe_reference_init(&ps->reference, 1);
- pipe_resource_reference(&ps->texture, pt);
- ps->format = surf_tmpl->format;
- ps->context = ctx;
- ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
- ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
- /* XXX may need to override usage flags (see sp_texture.c) */
- ps->usage = surf_tmpl->usage;
- ps->u.tex.level = surf_tmpl->u.tex.level;
- ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
- ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
- }
- return ps;
-}
-
-
-static void
-cell_surface_destroy(struct pipe_context *ctx, struct pipe_surface *surf)
-{
- pipe_resource_reference(&surf->texture, NULL);
- FREE(surf);
-}
-
-
-/**
- * Create new pipe_transfer object.
- * This is used by the user to put tex data into a texture (and get it
- * back out for glGetTexImage).
- */
-static struct pipe_transfer *
-cell_get_transfer(struct pipe_context *ctx,
- struct pipe_resource *resource,
- unsigned level,
- unsigned usage,
- const struct pipe_box *box)
-{
- struct cell_resource *ct = cell_resource(resource);
- struct cell_transfer *ctrans;
- enum pipe_format format = resource->format;
-
- assert(resource);
- assert(level <= resource->last_level);
-
- /* make sure the requested region is in the image bounds */
- assert(box->x + box->width <= u_minify(resource->width0, level));
- assert(box->y + box->height <= u_minify(resource->height0, level));
- assert(box->z + box->depth <= (u_minify(resource->depth0, level) + resource->array_size - 1));
-
- ctrans = CALLOC_STRUCT(cell_transfer);
- if (ctrans) {
- struct pipe_transfer *pt = &ctrans->base;
- pipe_resource_reference(&pt->resource, resource);
- pt->level = level;
- pt->usage = usage;
- pt->box = *box;
- pt->stride = ct->stride[level];
-
- ctrans->offset = ct->level_offset[level];
-
- if (resource->target == PIPE_TEXTURE_CUBE || resource->target == PIPE_TEXTURE_3D) {
- unsigned h_tile = align(u_minify(resource->height0, level), TILE_SIZE);
- ctrans->offset += box->z * util_format_get_nblocksy(format, h_tile) * pt->stride;
- }
- else {
- assert(box->z == 0);
- }
-
- return pt;
- }
- return NULL;
-}
-
-
-static void
-cell_transfer_destroy(struct pipe_context *ctx, struct pipe_transfer *t)
-{
- struct cell_transfer *transfer = cell_transfer(t);
- /* Effectively do the texture_update work here - if texture images
- * needed post-processing to put them into hardware layout, this is
- * where it would happen. For cell, nothing to do.
- */
- assert (transfer->base.resource);
- pipe_resource_reference(&transfer->base.resource, NULL);
- FREE(transfer);
-}
-
-
-/**
- * Return pointer to texture image data in linear layout.
- */
-static void *
-cell_transfer_map(struct pipe_context *ctx, struct pipe_transfer *transfer)
-{
- struct cell_transfer *ctrans = cell_transfer(transfer);
- struct pipe_resource *pt = transfer->resource;
- struct cell_resource *ct = cell_resource(pt);
-
- assert(transfer->resource);
-
- if (ct->mapped == NULL) {
- ct->mapped = ct->data;
- }
-
-
- /* Better test would be resource->is_linear
- */
- if (transfer->resource->target != PIPE_BUFFER) {
- const uint level = ctrans->base.level;
- const uint texWidth = u_minify(pt->width0, level);
- const uint texHeight = u_minify(pt->height0, level);
- unsigned size;
-
-
- /*
- * Create a buffer of ordinary memory for the linear texture.
- * This is the memory that the user will read/write.
- */
- size = (util_format_get_stride(pt->format, align(texWidth, TILE_SIZE)) *
- util_format_get_nblocksy(pt->format, align(texHeight, TILE_SIZE)));
-
- ctrans->map = align_malloc(size, 16);
- if (!ctrans->map)
- return NULL; /* out of memory */
-
- if (transfer->usage & PIPE_TRANSFER_READ) {
- /* Textures always stored twiddled, need to untwiddle the
- * texture to make a linear version.
- */
- const uint bpp = util_format_get_blocksize(ct->base.format);
- if (bpp == 4) {
- const uint *src = (uint *) (ct->mapped + ctrans->offset);
- uint *dst = ctrans->map;
- untwiddle_image_uint(texWidth, texHeight, TILE_SIZE,
- dst, transfer->stride, src);
- }
- else {
- // xxx fix
- }
- }
- }
- else {
- unsigned stride = transfer->stride;
- enum pipe_format format = pt->format;
- unsigned blocksize = util_format_get_blocksize(format);
-
- ctrans->map = (ct->mapped +
- ctrans->offset +
- ctrans->base.box.y / util_format_get_blockheight(format) * stride +
- ctrans->base.box.x / util_format_get_blockwidth(format) * blocksize);
- }
-
-
- return ctrans->map;
-}
-
-
-/**
- * Called when user is done reading/writing texture data.
- * If new data was written, this is where we convert the linear data
- * to tiled data.
- */
-static void
-cell_transfer_unmap(struct pipe_context *ctx,
- struct pipe_transfer *transfer)
-{
- struct cell_transfer *ctrans = cell_transfer(transfer);
- struct pipe_resource *pt = transfer->resource;
- struct cell_resource *ct = cell_resource(pt);
- const uint level = ctrans->base.level;
- const uint texWidth = u_minify(pt->width0, level);
- const uint texHeight = u_minify(pt->height0, level);
- const uint stride = ct->stride[level];
-
- if (!ct->mapped) {
- assert(0);
- return;
- }
-
- if (pt->target != PIPE_BUFFER) {
- if (transfer->usage & PIPE_TRANSFER_WRITE) {
- /* The user wrote new texture data into the mapped buffer.
- * We need to convert the new linear data into the twiddled/tiled format.
- */
- const uint bpp = util_format_get_blocksize(ct->base.format);
- if (bpp == 4) {
- const uint *src = ctrans->map;
- uint *dst = (uint *) (ct->mapped + ctrans->offset);
- twiddle_image_uint(texWidth, texHeight, TILE_SIZE, dst, stride, src);
- }
- else {
- // xxx fix
- }
- }
-
- align_free(ctrans->map);
- }
- else {
- /* nothing to do */
- }
-
- ctrans->map = NULL;
-}
-
-
-
-/* This used to be overriden by the co-state tracker, but really needs
- * to be active with sw_winsys.
- *
- * Contrasting with llvmpipe and softpipe, this is the only place
- * where we use the ct->dt display target in any real sense.
- *
- * Basically just untwiddle our local data into the linear
- * displaytarget.
- */
-static void
-cell_flush_frontbuffer(struct pipe_screen *_screen,
- struct pipe_resource *resource,
- unsigned level, unsigned layer,
- void *context_private)
-{
- struct cell_screen *screen = cell_screen(_screen);
- struct sw_winsys *winsys = screen->winsys;
- struct cell_resource *ct = cell_resource(resource);
-
- if (!ct->dt)
- return;
-
- /* Need to untwiddle from our internal representation here:
- */
- {
- unsigned *map = winsys->displaytarget_map(winsys, ct->dt,
- (PIPE_TRANSFER_READ |
- PIPE_TRANSFER_WRITE));
- unsigned *src = (unsigned *)(ct->data + ct->level_offset[level]);
-
- untwiddle_image_uint(u_minify(resource->width0, level),
- u_minify(resource->height0, level),
- TILE_SIZE,
- map,
- ct->dt_stride,
- src);
-
- winsys->displaytarget_unmap(winsys, ct->dt);
- }
-
- winsys->displaytarget_display(winsys, ct->dt, context_private);
-}
-
-
-
-/**
- * Create buffer which wraps user-space data.
- */
-static struct pipe_resource *
-cell_user_buffer_create(struct pipe_screen *screen,
- void *ptr,
- unsigned bytes,
- unsigned bind_flags)
-{
- struct cell_resource *buffer;
-
- buffer = CALLOC_STRUCT(cell_resource);
- if(!buffer)
- return NULL;
-
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.screen = screen;
- buffer->base.format = PIPE_FORMAT_R8_UNORM; /* ?? */
- buffer->base.bind = PIPE_BIND_TRANSFER_READ | bind_flags;
- buffer->base.usage = PIPE_USAGE_IMMUTABLE;
- buffer->base.flags = 0;
- buffer->base.width0 = bytes;
- buffer->base.height0 = 1;
- buffer->base.depth0 = 1;
- buffer->base.array_size = 1;
- buffer->userBuffer = TRUE;
- buffer->data = ptr;
-
- return &buffer->base;
-}
-
-
-static struct pipe_resource *
-cell_resource_from_handle(struct pipe_screen *screen,
- const struct pipe_resource *templat,
- struct winsys_handle *handle)
-{
- /* XXX todo */
- return NULL;
-}
-
-
-static boolean
-cell_resource_get_handle(struct pipe_screen *scree,
- struct pipe_resource *tex,
- struct winsys_handle *handle)
-{
- /* XXX todo */
- return FALSE;
-}
-
-
-void
-cell_init_screen_texture_funcs(struct pipe_screen *screen)
-{
- screen->resource_create = cell_resource_create;
- screen->resource_destroy = cell_resource_destroy;
- screen->resource_from_handle = cell_resource_from_handle;
- screen->resource_get_handle = cell_resource_get_handle;
- screen->user_buffer_create = cell_user_buffer_create;
-
- screen->flush_frontbuffer = cell_flush_frontbuffer;
-}
-
-void
-cell_init_texture_transfer_funcs(struct cell_context *cell)
-{
- cell->pipe.get_transfer = cell_get_transfer;
- cell->pipe.transfer_destroy = cell_transfer_destroy;
- cell->pipe.transfer_map = cell_transfer_map;
- cell->pipe.transfer_unmap = cell_transfer_unmap;
-
- cell->pipe.transfer_flush_region = u_default_transfer_flush_region;
- cell->pipe.transfer_inline_write = u_default_transfer_inline_write;
-
- cell->pipe.create_surface = cell_create_surface;
- cell->pipe.surface_destroy = cell_surface_destroy;
-}
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