/**************************************************************************
*
- * 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/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 "state_tracker/sw_winsys.h"
/**
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= Elements(softpipe->samplers[shader]));
- /* Check for no-op */
- if (start + num <= softpipe->num_samplers[shader] &&
- !memcmp(softpipe->samplers[shader] + start, samplers,
- num * sizeof(void *))) {
- return;
- }
-
draw_flush(softpipe->draw);
/* set the new samplers */
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= Elements(softpipe->sampler_views[shader]));
- /* Check for no-op */
- if (start + num <= softpipe->num_sampler_views[shader] &&
- !memcmp(softpipe->sampler_views[shader] + start, views,
- num * sizeof(struct pipe_sampler_view *))) {
- return;
- }
-
draw_flush(softpipe->draw);
/* set the new sampler views */
}
+static void
+prepare_shader_sampling(
+ struct softpipe_context *sp,
+ unsigned num,
+ struct pipe_sampler_view **views,
+ unsigned shader_type,
+ struct pipe_resource *mapped_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS])
+{
+
+ 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;
+
+ assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
+ if (!num)
+ return;
+
+ for (i = 0; i < PIPE_MAX_SHADER_SAMPLER_VIEWS; i++) {
+ struct pipe_sampler_view *view = i < num ? views[i] : NULL;
+
+ 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 */
+ 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.last_element - view->u.buf.first_element + 1;
+ addr = (uint8_t *)addr + view->u.buf.first_element *
+ view_blocksize;
+ assert(view->u.buf.first_element <= view->u.buf.last_element);
+ assert(view->u.buf.last_element * view_blocksize < 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,
+ addr,
+ row_stride, img_stride, mip_offsets);
+ }
+ }
+}
+
+
+/**
+ * Called during state validation when SP_NEW_TEXTURE is set.
+ */
+void
+softpipe_prepare_vertex_sampling(struct softpipe_context *sp,
+ unsigned num,
+ struct pipe_sampler_view **views)
+{
+ prepare_shader_sampling(sp, num, views, PIPE_SHADER_VERTEX,
+ sp->mapped_vs_tex);
+}
+
+void
+softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx)
+{
+ unsigned i;
+ for (i = 0; i < Elements(ctx->mapped_vs_tex); i++) {
+ pipe_resource_reference(&ctx->mapped_vs_tex[i], NULL);
+ }
+}
+
+
+/**
+ * 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)
+{
+ prepare_shader_sampling(sp, num, views, PIPE_SHADER_GEOMETRY,
+ sp->mapped_gs_tex);
+}
+
+void
+softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx)
+{
+ unsigned i;
+ for (i = 0; i < Elements(ctx->mapped_gs_tex); i++) {
+ pipe_resource_reference(&ctx->mapped_gs_tex[i], NULL);
+ }
+}
+
+
void
softpipe_init_sampler_funcs(struct pipe_context *pipe)
{
projects / mesa.git / blobdiff