/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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
+ * IN NO EVENT SHALL VMWARE 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_memory.h"
#include "util/u_inlines.h"
+#include "util/format/u_format.h"
#include "draw/draw_context.h"
#include "sp_texture.h"
#include "sp_tex_sample.h"
#include "sp_tex_tile_cache.h"
+#include "sp_screen.h"
+#include "frontend/sw_winsys.h"
-struct sp_sampler {
- struct pipe_sampler_state base;
- struct sp_sampler_variant *variants;
- struct sp_sampler_variant *current;
-};
-
-static struct sp_sampler *sp_sampler( struct pipe_sampler_state *sampler )
-{
- return (struct sp_sampler *)sampler;
-}
-
-
-static void *
-softpipe_create_sampler_state(struct pipe_context *pipe,
- const struct pipe_sampler_state *sampler)
-{
- struct sp_sampler *sp_sampler = CALLOC_STRUCT(sp_sampler);
-
- sp_sampler->base = *sampler;
- sp_sampler->variants = NULL;
-
- return (void *)sp_sampler;
-}
-
-
+/**
+ * Bind a range [start, start+num-1] of samplers for a shader stage.
+ */
static void
softpipe_bind_sampler_states(struct pipe_context *pipe,
- unsigned shader, unsigned num, void **sampler)
+ enum pipe_shader_type shader,
+ unsigned start,
+ unsigned num,
+ void **samplers)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
unsigned i;
assert(shader < PIPE_SHADER_TYPES);
- assert(num <= PIPE_MAX_SAMPLERS);
-
- /* Check for no-op */
- if (num == softpipe->num_samplers[shader] &&
- !memcmp(softpipe->samplers[shader], sampler, num * sizeof(void *)))
- return;
+ assert(start + num <= ARRAY_SIZE(softpipe->samplers[shader]));
draw_flush(softpipe->draw);
- for (i = 0; i < num; ++i)
- softpipe->samplers[shader][i] = sampler[i];
- for (i = num; i < PIPE_MAX_SAMPLERS; ++i)
- softpipe->samplers[shader][i] = NULL;
+ /* set the new samplers */
+ for (i = 0; i < num; i++) {
+ softpipe->samplers[shader][start + i] = samplers[i];
+ }
- softpipe->num_samplers[shader] = num;
+ /* find highest non-null samplers[] entry */
+ {
+ unsigned j = MAX2(softpipe->num_samplers[shader], start + num);
+ while (j > 0 && softpipe->samplers[shader][j - 1] == NULL)
+ j--;
+ softpipe->num_samplers[shader] = j;
+ }
- if (shader == PIPE_SHADER_VERTEX) {
+ if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
draw_set_samplers(softpipe->draw,
- softpipe->samplers[PIPE_SHADER_VERTEX],
- softpipe->num_samplers[PIPE_SHADER_VERTEX]);
+ shader,
+ softpipe->samplers[shader],
+ softpipe->num_samplers[shader]);
}
softpipe->dirty |= SP_NEW_SAMPLER;
}
-
-static void
-softpipe_bind_fragment_sampler_states(struct pipe_context *pipe,
- unsigned num, void **samplers)
-{
- softpipe_bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, num, samplers);
-}
-
-
-static void
-softpipe_bind_vertex_sampler_states(struct pipe_context *pipe,
- unsigned num,
- void **samplers)
-{
- softpipe_bind_sampler_states(pipe, PIPE_SHADER_VERTEX, num, samplers);
-}
-
-
-static void
-softpipe_bind_geometry_sampler_states(struct pipe_context *pipe,
- unsigned num,
- void **samplers)
-{
- softpipe_bind_sampler_states(pipe, PIPE_SHADER_GEOMETRY, num, samplers);
-}
-
-
-static struct pipe_sampler_view *
-softpipe_create_sampler_view(struct pipe_context *pipe,
- struct pipe_resource *resource,
- const struct pipe_sampler_view *templ)
-{
- struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
-
- if (view) {
- *view = *templ;
- view->reference.count = 1;
- view->texture = NULL;
- pipe_resource_reference(&view->texture, resource);
- view->context = pipe;
- }
-
- return view;
-}
-
-
static void
softpipe_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
}
-static void
+void
softpipe_set_sampler_views(struct pipe_context *pipe,
- unsigned shader,
+ enum pipe_shader_type shader,
+ unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
uint i;
- assert(num <= PIPE_MAX_SAMPLERS);
-
- /* Check for no-op */
- if (num == softpipe->num_sampler_views[shader] &&
- !memcmp(softpipe->sampler_views[shader], views,
- num * sizeof(struct pipe_sampler_view *)))
- return;
+ assert(shader < PIPE_SHADER_TYPES);
+ assert(start + num <= ARRAY_SIZE(softpipe->sampler_views[shader]));
draw_flush(softpipe->draw);
- for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
- struct pipe_sampler_view *view = i < num ? views[i] : NULL;
-
- pipe_sampler_view_reference(&softpipe->sampler_views[shader][i], view);
- sp_tex_tile_cache_set_sampler_view(softpipe->tex_cache[shader][i], view);
+ /* set the new sampler views */
+ for (i = 0; i < num; i++) {
+ struct sp_sampler_view *sp_sviewsrc;
+ struct sp_sampler_view *sp_sviewdst =
+ &softpipe->tgsi.sampler[shader]->sp_sview[start + i];
+ struct pipe_sampler_view **pview = &softpipe->sampler_views[shader][start + i];
+ pipe_sampler_view_reference(pview, views[i]);
+ sp_tex_tile_cache_set_sampler_view(softpipe->tex_cache[shader][start + i],
+ views[i]);
+ /*
+ * We don't really have variants, however some bits are different per shader,
+ * so just copy?
+ */
+ sp_sviewsrc = (struct sp_sampler_view *)*pview;
+ if (sp_sviewsrc) {
+ memcpy(sp_sviewdst, sp_sviewsrc, sizeof(*sp_sviewsrc));
+ sp_sviewdst->compute_lambda = softpipe_get_lambda_func(&sp_sviewdst->base, shader);
+ sp_sviewdst->compute_lambda_from_grad = softpipe_get_lambda_from_grad_func(&sp_sviewdst->base, shader);
+ sp_sviewdst->cache = softpipe->tex_cache[shader][start + i];
+ }
+ else {
+ memset(sp_sviewdst, 0, sizeof(*sp_sviewsrc));
+ }
}
- softpipe->num_sampler_views[shader] = num;
- if (shader == PIPE_SHADER_VERTEX) {
+ /* find highest non-null sampler_views[] entry */
+ {
+ unsigned j = MAX2(softpipe->num_sampler_views[shader], start + num);
+ while (j > 0 && softpipe->sampler_views[shader][j - 1] == NULL)
+ j--;
+ softpipe->num_sampler_views[shader] = j;
+ }
+
+ if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
draw_set_sampler_views(softpipe->draw,
- softpipe->sampler_views[PIPE_SHADER_VERTEX],
- softpipe->num_sampler_views[PIPE_SHADER_VERTEX]);
+ shader,
+ softpipe->sampler_views[shader],
+ softpipe->num_sampler_views[shader]);
}
softpipe->dirty |= SP_NEW_TEXTURE;
static void
-softpipe_set_fragment_sampler_views(struct pipe_context *pipe,
- unsigned num,
- struct pipe_sampler_view **views)
-{
- softpipe_set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, num, views);
-}
-
-
-static void
-softpipe_set_vertex_sampler_views(struct pipe_context *pipe,
- unsigned num,
- struct pipe_sampler_view **views)
+softpipe_delete_sampler_state(struct pipe_context *pipe,
+ void *sampler)
{
- softpipe_set_sampler_views(pipe, PIPE_SHADER_VERTEX, num, views);
+ FREE( sampler );
}
static void
-softpipe_set_geometry_sampler_views(struct pipe_context *pipe,
- unsigned num,
- struct pipe_sampler_view **views)
+prepare_shader_sampling(
+ struct softpipe_context *sp,
+ unsigned num,
+ struct pipe_sampler_view **views,
+ enum pipe_shader_type shader_type,
+ struct pipe_resource *mapped_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS])
{
- softpipe_set_sampler_views(pipe, PIPE_SHADER_GEOMETRY, num, views);
-}
-
-/**
- * Find/create an sp_sampler_variant object for sampling the given texture,
- * sampler and tex unit.
- *
- * Note that the tex unit is significant. We can't re-use a sampler
- * variant for multiple texture units because the sampler variant contains
- * the texture object pointer. If the texture object pointer were stored
- * somewhere outside the sampler variant, we could re-use samplers for
- * multiple texture units.
- */
-static struct sp_sampler_variant *
-get_sampler_variant( unsigned unit,
- struct sp_sampler *sampler,
- struct pipe_sampler_view *view,
- unsigned processor )
-{
- struct softpipe_resource *sp_texture = softpipe_resource(view->texture);
- struct sp_sampler_variant *v = NULL;
- union sp_sampler_key key;
-
- /* if this fails, widen the key.unit field and update this assertion */
- assert(PIPE_MAX_SAMPLERS <= 16);
-
- key.bits.target = sp_texture->base.target;
- key.bits.is_pot = sp_texture->pot;
- key.bits.processor = processor;
- key.bits.unit = unit;
- key.bits.swizzle_r = view->swizzle_r;
- key.bits.swizzle_g = view->swizzle_g;
- key.bits.swizzle_b = view->swizzle_b;
- key.bits.swizzle_a = view->swizzle_a;
- key.bits.pad = 0;
-
- if (sampler->current &&
- key.value == sampler->current->key.value) {
- v = sampler->current;
- }
+ unsigned i;
+ uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
+ uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
+ uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
+ const void *addr;
- if (v == NULL) {
- for (v = sampler->variants; v; v = v->next)
- if (v->key.value == key.value)
- break;
+ assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
+ if (!num)
+ return;
- if (v == NULL) {
- v = sp_create_sampler_variant( &sampler->base, key );
- v->next = sampler->variants;
- sampler->variants = v;
+ for (i = 0; i < num; i++) {
+ struct pipe_sampler_view *view = views[i];
+
+ if (view) {
+ struct pipe_resource *tex = view->texture;
+ struct softpipe_resource *sp_tex = softpipe_resource(tex);
+ unsigned width0 = tex->width0;
+ unsigned num_layers = tex->depth0;
+ unsigned first_level = 0;
+ unsigned last_level = 0;
+
+ /* We're referencing the texture's internal data, so save a
+ * reference to it.
+ */
+ pipe_resource_reference(&mapped_tex[i], tex);
+
+ if (!sp_tex->dt) {
+ /* regular texture - setup array of mipmap level offsets */
+ ASSERTED struct pipe_resource *res = view->texture;
+ int j;
+
+ if (view->target != PIPE_BUFFER) {
+ first_level = view->u.tex.first_level;
+ last_level = view->u.tex.last_level;
+ assert(first_level <= last_level);
+ assert(last_level <= res->last_level);
+ addr = sp_tex->data;
+
+ for (j = first_level; j <= last_level; j++) {
+ mip_offsets[j] = sp_tex->level_offset[j];
+ row_stride[j] = sp_tex->stride[j];
+ img_stride[j] = sp_tex->img_stride[j];
+ }
+ if (tex->target == PIPE_TEXTURE_1D_ARRAY ||
+ tex->target == PIPE_TEXTURE_2D_ARRAY ||
+ tex->target == PIPE_TEXTURE_CUBE ||
+ tex->target == PIPE_TEXTURE_CUBE_ARRAY) {
+ num_layers = view->u.tex.last_layer - view->u.tex.first_layer + 1;
+ for (j = first_level; j <= last_level; j++) {
+ mip_offsets[j] += view->u.tex.first_layer *
+ sp_tex->img_stride[j];
+ }
+ if (view->target == PIPE_TEXTURE_CUBE ||
+ view->target == PIPE_TEXTURE_CUBE_ARRAY) {
+ assert(num_layers % 6 == 0);
+ }
+ assert(view->u.tex.first_layer <= view->u.tex.last_layer);
+ assert(view->u.tex.last_layer < res->array_size);
+ }
+ }
+ else {
+ unsigned view_blocksize = util_format_get_blocksize(view->format);
+ addr = sp_tex->data;
+ /* probably don't really need to fill that out */
+ mip_offsets[0] = 0;
+ row_stride[0] = 0;
+ img_stride[0] = 0;
+
+ /* everything specified in number of elements here. */
+ width0 = view->u.buf.size / view_blocksize;
+ addr = (uint8_t *)addr + view->u.buf.offset;
+ assert(view->u.buf.offset + view->u.buf.size <= res->width0);
+ }
+ }
+ else {
+ /* display target texture/surface */
+ /*
+ * XXX: Where should this be unmapped?
+ */
+ struct softpipe_screen *screen = softpipe_screen(tex->screen);
+ struct sw_winsys *winsys = screen->winsys;
+ addr = winsys->displaytarget_map(winsys, sp_tex->dt,
+ PIPE_TRANSFER_READ);
+ row_stride[0] = sp_tex->stride[0];
+ img_stride[0] = sp_tex->img_stride[0];
+ mip_offsets[0] = 0;
+ assert(addr);
+ }
+ draw_set_mapped_texture(sp->draw,
+ shader_type,
+ i,
+ width0, tex->height0, num_layers,
+ first_level, last_level, 0, 0,
+ addr,
+ row_stride, img_stride, mip_offsets);
}
}
-
- sampler->current = v;
- return v;
}
/**
- * Reset the sampler variants for a shader stage (vert, frag, geom).
+ * Called during state validation when SP_NEW_TEXTURE is set.
*/
-static void
-reset_sampler_variants(struct softpipe_context *softpipe,
- unsigned shader,
- unsigned tgsi_shader,
- int max_sampler)
+void
+softpipe_prepare_vertex_sampling(struct softpipe_context *sp,
+ unsigned num,
+ struct pipe_sampler_view **views)
{
- int i;
-
- for (i = 0; i <= max_sampler; i++) {
- if (softpipe->samplers[shader][i]) {
- softpipe->tgsi.samplers_list[shader][i] =
- get_sampler_variant(i,
- sp_sampler(softpipe->samplers[shader][i]),
- softpipe->sampler_views[shader][i],
- tgsi_shader);
-
- sp_sampler_variant_bind_view(softpipe->tgsi.samplers_list[shader][i],
- softpipe->tex_cache[shader][i],
- softpipe->sampler_views[shader][i]);
- }
- }
+ prepare_shader_sampling(sp, num, views, PIPE_SHADER_VERTEX,
+ sp->mapped_vs_tex);
}
-
void
-softpipe_reset_sampler_variants(struct softpipe_context *softpipe)
+softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx)
{
- /* It's a bit hard to build these samplers ahead of time -- don't
- * really know which samplers are going to be used for vertex and
- * fragment programs.
- */
-
- /* XXX note: PIPE_SHADER_x != TGSI_PROCESSOR_x (fix that someday) */
- reset_sampler_variants(softpipe,
- PIPE_SHADER_VERTEX,
- TGSI_PROCESSOR_VERTEX,
- softpipe->vs->max_sampler);
-
- reset_sampler_variants(softpipe,
- PIPE_SHADER_FRAGMENT,
- TGSI_PROCESSOR_FRAGMENT,
- softpipe->fs_variant->info.file_max[TGSI_FILE_SAMPLER]);
-
- if (softpipe->gs) {
- reset_sampler_variants(softpipe,
- PIPE_SHADER_GEOMETRY,
- TGSI_PROCESSOR_GEOMETRY,
- softpipe->gs->max_sampler);
+ unsigned i;
+ for (i = 0; i < ARRAY_SIZE(ctx->mapped_vs_tex); i++) {
+ pipe_resource_reference(&ctx->mapped_vs_tex[i], NULL);
}
}
-static void
-softpipe_delete_sampler_state(struct pipe_context *pipe,
- void *sampler)
+/**
+ * Called during state validation when SP_NEW_TEXTURE is set.
+ */
+void
+softpipe_prepare_geometry_sampling(struct softpipe_context *sp,
+ unsigned num,
+ struct pipe_sampler_view **views)
{
- struct sp_sampler *sp_sampler = (struct sp_sampler *)sampler;
- struct sp_sampler_variant *v, *tmp;
+ prepare_shader_sampling(sp, num, views, PIPE_SHADER_GEOMETRY,
+ sp->mapped_gs_tex);
+}
- for (v = sp_sampler->variants; v; v = tmp) {
- tmp = v->next;
- sp_sampler_variant_destroy(v);
+void
+softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx)
+{
+ unsigned i;
+ for (i = 0; i < ARRAY_SIZE(ctx->mapped_gs_tex); i++) {
+ pipe_resource_reference(&ctx->mapped_gs_tex[i], NULL);
}
-
- FREE( sampler );
}
softpipe_init_sampler_funcs(struct pipe_context *pipe)
{
pipe->create_sampler_state = softpipe_create_sampler_state;
- pipe->bind_fragment_sampler_states = softpipe_bind_fragment_sampler_states;
- pipe->bind_vertex_sampler_states = softpipe_bind_vertex_sampler_states;
- pipe->bind_geometry_sampler_states = softpipe_bind_geometry_sampler_states;
+ pipe->bind_sampler_states = softpipe_bind_sampler_states;
pipe->delete_sampler_state = softpipe_delete_sampler_state;
- pipe->set_fragment_sampler_views = softpipe_set_fragment_sampler_views;
- pipe->set_vertex_sampler_views = softpipe_set_vertex_sampler_views;
- pipe->set_geometry_sampler_views = softpipe_set_geometry_sampler_views;
-
pipe->create_sampler_view = softpipe_create_sampler_view;
+ pipe->set_sampler_views = softpipe_set_sampler_views;
pipe->sampler_view_destroy = softpipe_sampler_view_destroy;
}
projects / mesa.git / blobdiff