forked from KolibriOS/kolibrios
606 lines
18 KiB
C
606 lines
18 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef U_INLINES_H
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#define U_INLINES_H
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#include "pipe/p_context.h"
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#include "pipe/p_defines.h"
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#include "pipe/p_shader_tokens.h"
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#include "pipe/p_state.h"
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#include "pipe/p_screen.h"
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#include "util/u_debug.h"
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#include "util/u_debug_describe.h"
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#include "util/u_debug_refcnt.h"
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#include "util/u_atomic.h"
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#include "util/u_box.h"
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#include "util/u_math.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Reference counting helper functions.
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*/
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static INLINE void
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pipe_reference_init(struct pipe_reference *reference, unsigned count)
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{
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p_atomic_set(&reference->count, count);
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}
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static INLINE boolean
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pipe_is_referenced(struct pipe_reference *reference)
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{
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return p_atomic_read(&reference->count) != 0;
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}
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/**
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* Update reference counting.
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* The old thing pointed to, if any, will be unreferenced.
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* Both 'ptr' and 'reference' may be NULL.
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* \return TRUE if the object's refcount hits zero and should be destroyed.
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*/
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static INLINE boolean
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pipe_reference_described(struct pipe_reference *ptr,
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struct pipe_reference *reference,
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debug_reference_descriptor get_desc)
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{
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boolean destroy = FALSE;
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if(ptr != reference) {
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/* bump the reference.count first */
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if (reference) {
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assert(pipe_is_referenced(reference));
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p_atomic_inc(&reference->count);
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debug_reference(reference, get_desc, 1);
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}
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if (ptr) {
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assert(pipe_is_referenced(ptr));
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if (p_atomic_dec_zero(&ptr->count)) {
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destroy = TRUE;
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}
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debug_reference(ptr, get_desc, -1);
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}
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}
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return destroy;
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}
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static INLINE boolean
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pipe_reference(struct pipe_reference *ptr, struct pipe_reference *reference)
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{
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return pipe_reference_described(ptr, reference,
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(debug_reference_descriptor)debug_describe_reference);
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}
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static INLINE void
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pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
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{
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struct pipe_surface *old_surf = *ptr;
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if (pipe_reference_described(&(*ptr)->reference, &surf->reference,
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(debug_reference_descriptor)debug_describe_surface))
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old_surf->context->surface_destroy(old_surf->context, old_surf);
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*ptr = surf;
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}
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/**
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* Similar to pipe_surface_reference() but always set the pointer to NULL
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* and pass in an explicit context. The explicit context avoids the problem
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* of using a deleted context's surface_destroy() method when freeing a surface
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* that's shared by multiple contexts.
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*/
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static INLINE void
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pipe_surface_release(struct pipe_context *pipe, struct pipe_surface **ptr)
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{
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if (pipe_reference_described(&(*ptr)->reference, NULL,
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(debug_reference_descriptor)debug_describe_surface))
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pipe->surface_destroy(pipe, *ptr);
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*ptr = NULL;
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}
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static INLINE void
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pipe_resource_reference(struct pipe_resource **ptr, struct pipe_resource *tex)
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{
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struct pipe_resource *old_tex = *ptr;
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if (pipe_reference_described(&(*ptr)->reference, &tex->reference,
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(debug_reference_descriptor)debug_describe_resource))
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old_tex->screen->resource_destroy(old_tex->screen, old_tex);
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*ptr = tex;
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}
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static INLINE void
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pipe_sampler_view_reference(struct pipe_sampler_view **ptr, struct pipe_sampler_view *view)
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{
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struct pipe_sampler_view *old_view = *ptr;
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if (pipe_reference_described(&(*ptr)->reference, &view->reference,
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(debug_reference_descriptor)debug_describe_sampler_view))
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old_view->context->sampler_view_destroy(old_view->context, old_view);
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*ptr = view;
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}
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/**
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* Similar to pipe_sampler_view_reference() but always set the pointer to
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* NULL and pass in an explicit context. Passing an explicit context is a
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* work-around for fixing a dangling context pointer problem when textures
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* are shared by multiple contexts. XXX fix this someday.
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*/
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static INLINE void
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pipe_sampler_view_release(struct pipe_context *ctx,
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struct pipe_sampler_view **ptr)
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{
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struct pipe_sampler_view *old_view = *ptr;
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if (*ptr && (*ptr)->context != ctx) {
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debug_printf_once(("context mis-match in pipe_sampler_view_release()\n"));
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}
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if (pipe_reference_described(&(*ptr)->reference, NULL,
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(debug_reference_descriptor)debug_describe_sampler_view)) {
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ctx->sampler_view_destroy(ctx, old_view);
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}
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*ptr = NULL;
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}
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static INLINE void
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pipe_so_target_reference(struct pipe_stream_output_target **ptr,
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struct pipe_stream_output_target *target)
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{
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struct pipe_stream_output_target *old = *ptr;
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if (pipe_reference_described(&(*ptr)->reference, &target->reference,
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(debug_reference_descriptor)debug_describe_so_target))
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old->context->stream_output_target_destroy(old->context, old);
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*ptr = target;
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}
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static INLINE void
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pipe_surface_reset(struct pipe_context *ctx, struct pipe_surface* ps,
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struct pipe_resource *pt, unsigned level, unsigned layer)
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{
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pipe_resource_reference(&ps->texture, pt);
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ps->format = pt->format;
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ps->width = u_minify(pt->width0, level);
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ps->height = u_minify(pt->height0, level);
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ps->u.tex.level = level;
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ps->u.tex.first_layer = ps->u.tex.last_layer = layer;
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ps->context = ctx;
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}
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static INLINE void
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pipe_surface_init(struct pipe_context *ctx, struct pipe_surface* ps,
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struct pipe_resource *pt, unsigned level, unsigned layer)
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{
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ps->texture = 0;
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pipe_reference_init(&ps->reference, 1);
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pipe_surface_reset(ctx, ps, pt, level, layer);
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}
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/* Return true if the surfaces are equal. */
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static INLINE boolean
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pipe_surface_equal(struct pipe_surface *s1, struct pipe_surface *s2)
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{
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return s1->texture == s2->texture &&
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s1->format == s2->format &&
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(s1->texture->target != PIPE_BUFFER ||
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(s1->u.buf.first_element == s2->u.buf.first_element &&
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s1->u.buf.last_element == s2->u.buf.last_element)) &&
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(s1->texture->target == PIPE_BUFFER ||
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(s1->u.tex.level == s2->u.tex.level &&
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s1->u.tex.first_layer == s2->u.tex.first_layer &&
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s1->u.tex.last_layer == s2->u.tex.last_layer));
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}
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/*
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* Convenience wrappers for screen buffer functions.
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*/
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static INLINE struct pipe_resource *
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pipe_buffer_create( struct pipe_screen *screen,
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unsigned bind,
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unsigned usage,
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unsigned size )
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{
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struct pipe_resource buffer;
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memset(&buffer, 0, sizeof buffer);
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buffer.target = PIPE_BUFFER;
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buffer.format = PIPE_FORMAT_R8_UNORM; /* want TYPELESS or similar */
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buffer.bind = bind;
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buffer.usage = usage;
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buffer.flags = 0;
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buffer.width0 = size;
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buffer.height0 = 1;
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buffer.depth0 = 1;
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buffer.array_size = 1;
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return screen->resource_create(screen, &buffer);
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}
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static INLINE void *
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pipe_buffer_map_range(struct pipe_context *pipe,
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struct pipe_resource *buffer,
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unsigned offset,
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unsigned length,
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unsigned usage,
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struct pipe_transfer **transfer)
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{
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struct pipe_box box;
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void *map;
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assert(offset < buffer->width0);
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assert(offset + length <= buffer->width0);
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assert(length);
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u_box_1d(offset, length, &box);
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map = pipe->transfer_map(pipe, buffer, 0, usage, &box, transfer);
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if (map == NULL) {
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return NULL;
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}
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return map;
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}
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static INLINE void *
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pipe_buffer_map(struct pipe_context *pipe,
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struct pipe_resource *buffer,
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unsigned usage,
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struct pipe_transfer **transfer)
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{
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return pipe_buffer_map_range(pipe, buffer, 0, buffer->width0, usage, transfer);
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}
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static INLINE void
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pipe_buffer_unmap(struct pipe_context *pipe,
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struct pipe_transfer *transfer)
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{
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pipe->transfer_unmap(pipe, transfer);
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}
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static INLINE void
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pipe_buffer_flush_mapped_range(struct pipe_context *pipe,
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struct pipe_transfer *transfer,
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unsigned offset,
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unsigned length)
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{
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struct pipe_box box;
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int transfer_offset;
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assert(length);
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assert(transfer->box.x <= (int) offset);
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assert((int) (offset + length) <= transfer->box.x + transfer->box.width);
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/* Match old screen->buffer_flush_mapped_range() behaviour, where
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* offset parameter is relative to the start of the buffer, not the
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* mapped range.
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*/
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transfer_offset = offset - transfer->box.x;
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u_box_1d(transfer_offset, length, &box);
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pipe->transfer_flush_region(pipe, transfer, &box);
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}
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static INLINE void
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pipe_buffer_write(struct pipe_context *pipe,
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struct pipe_resource *buf,
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unsigned offset,
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unsigned size,
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const void *data)
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{
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struct pipe_box box;
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unsigned usage = PIPE_TRANSFER_WRITE;
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if (offset == 0 && size == buf->width0) {
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usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
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} else {
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usage |= PIPE_TRANSFER_DISCARD_RANGE;
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}
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u_box_1d(offset, size, &box);
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pipe->transfer_inline_write( pipe,
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buf,
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0,
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usage,
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&box,
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data,
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size,
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0);
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}
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/**
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* Special case for writing non-overlapping ranges.
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*
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* We can avoid GPU/CPU synchronization when writing range that has never
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* been written before.
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*/
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static INLINE void
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pipe_buffer_write_nooverlap(struct pipe_context *pipe,
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struct pipe_resource *buf,
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unsigned offset, unsigned size,
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const void *data)
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{
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struct pipe_box box;
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u_box_1d(offset, size, &box);
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pipe->transfer_inline_write(pipe,
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buf,
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0,
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(PIPE_TRANSFER_WRITE |
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PIPE_TRANSFER_UNSYNCHRONIZED),
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&box,
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data,
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0, 0);
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}
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static INLINE struct pipe_resource *
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pipe_buffer_create_with_data(struct pipe_context *pipe,
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unsigned bind,
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unsigned usage,
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unsigned size,
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void *ptr)
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{
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struct pipe_resource *res = pipe_buffer_create(pipe->screen,
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bind, usage, size);
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pipe_buffer_write_nooverlap(pipe, res, 0, size, ptr);
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return res;
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}
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static INLINE void
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pipe_buffer_read(struct pipe_context *pipe,
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struct pipe_resource *buf,
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unsigned offset,
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unsigned size,
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void *data)
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{
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struct pipe_transfer *src_transfer;
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ubyte *map;
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map = (ubyte *) pipe_buffer_map_range(pipe,
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buf,
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offset, size,
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PIPE_TRANSFER_READ,
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&src_transfer);
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if (!map)
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return;
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memcpy(data, map, size);
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pipe_buffer_unmap(pipe, src_transfer);
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}
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static INLINE void *
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pipe_transfer_map(struct pipe_context *context,
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struct pipe_resource *resource,
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unsigned level, unsigned layer,
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enum pipe_transfer_usage usage,
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unsigned x, unsigned y,
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unsigned w, unsigned h,
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struct pipe_transfer **transfer)
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{
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struct pipe_box box;
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u_box_2d_zslice(x, y, layer, w, h, &box);
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return context->transfer_map(context,
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resource,
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level,
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usage,
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&box, transfer);
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}
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static INLINE void *
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pipe_transfer_map_3d(struct pipe_context *context,
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struct pipe_resource *resource,
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unsigned level,
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enum pipe_transfer_usage usage,
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unsigned x, unsigned y, unsigned z,
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unsigned w, unsigned h, unsigned d,
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struct pipe_transfer **transfer)
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{
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struct pipe_box box;
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u_box_3d(x, y, z, w, h, d, &box);
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return context->transfer_map(context,
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resource,
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level,
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usage,
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&box, transfer);
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}
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static INLINE void
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pipe_transfer_unmap( struct pipe_context *context,
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struct pipe_transfer *transfer )
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{
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context->transfer_unmap( context, transfer );
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}
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static INLINE void
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pipe_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
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struct pipe_resource *buf)
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{
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if (buf) {
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struct pipe_constant_buffer cb;
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cb.buffer = buf;
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cb.buffer_offset = 0;
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cb.buffer_size = buf->width0;
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cb.user_buffer = NULL;
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pipe->set_constant_buffer(pipe, shader, index, &cb);
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} else {
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pipe->set_constant_buffer(pipe, shader, index, NULL);
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}
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}
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static INLINE boolean util_get_offset(
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const struct pipe_rasterizer_state *templ,
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unsigned fill_mode)
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{
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switch(fill_mode) {
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case PIPE_POLYGON_MODE_POINT:
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return templ->offset_point;
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case PIPE_POLYGON_MODE_LINE:
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return templ->offset_line;
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case PIPE_POLYGON_MODE_FILL:
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return templ->offset_tri;
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default:
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assert(0);
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return FALSE;
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}
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}
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static INLINE float
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util_get_min_point_size(const struct pipe_rasterizer_state *state)
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{
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/* The point size should be clamped to this value at the rasterizer stage.
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*/
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return !state->point_quad_rasterization &&
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!state->point_smooth &&
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!state->multisample ? 1.0f : 0.0f;
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}
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static INLINE void
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util_query_clear_result(union pipe_query_result *result, unsigned type)
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{
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switch (type) {
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case PIPE_QUERY_OCCLUSION_PREDICATE:
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case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
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case PIPE_QUERY_GPU_FINISHED:
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result->b = FALSE;
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break;
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case PIPE_QUERY_OCCLUSION_COUNTER:
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case PIPE_QUERY_TIMESTAMP:
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case PIPE_QUERY_TIME_ELAPSED:
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case PIPE_QUERY_PRIMITIVES_GENERATED:
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case PIPE_QUERY_PRIMITIVES_EMITTED:
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result->u64 = 0;
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break;
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case PIPE_QUERY_SO_STATISTICS:
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memset(&result->so_statistics, 0, sizeof(result->so_statistics));
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break;
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case PIPE_QUERY_TIMESTAMP_DISJOINT:
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memset(&result->timestamp_disjoint, 0, sizeof(result->timestamp_disjoint));
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break;
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case PIPE_QUERY_PIPELINE_STATISTICS:
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memset(&result->pipeline_statistics, 0, sizeof(result->pipeline_statistics));
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break;
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default:
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memset(result, 0, sizeof(*result));
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}
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}
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/** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */
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static INLINE unsigned
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util_pipe_tex_to_tgsi_tex(enum pipe_texture_target pipe_tex_target,
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unsigned nr_samples)
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{
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switch (pipe_tex_target) {
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case PIPE_TEXTURE_1D:
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assert(nr_samples <= 1);
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return TGSI_TEXTURE_1D;
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case PIPE_TEXTURE_2D:
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return nr_samples > 1 ? TGSI_TEXTURE_2D_MSAA : TGSI_TEXTURE_2D;
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case PIPE_TEXTURE_RECT:
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assert(nr_samples <= 1);
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return TGSI_TEXTURE_RECT;
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case PIPE_TEXTURE_3D:
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assert(nr_samples <= 1);
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return TGSI_TEXTURE_3D;
|
|
|
|
case PIPE_TEXTURE_CUBE:
|
|
assert(nr_samples <= 1);
|
|
return TGSI_TEXTURE_CUBE;
|
|
|
|
case PIPE_TEXTURE_1D_ARRAY:
|
|
assert(nr_samples <= 1);
|
|
return TGSI_TEXTURE_1D_ARRAY;
|
|
|
|
case PIPE_TEXTURE_2D_ARRAY:
|
|
return nr_samples > 1 ? TGSI_TEXTURE_2D_ARRAY_MSAA :
|
|
TGSI_TEXTURE_2D_ARRAY;
|
|
|
|
case PIPE_TEXTURE_CUBE_ARRAY:
|
|
return TGSI_TEXTURE_CUBE_ARRAY;
|
|
|
|
default:
|
|
assert(0 && "unexpected texture target");
|
|
return TGSI_TEXTURE_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
|
|
static INLINE void
|
|
util_copy_constant_buffer(struct pipe_constant_buffer *dst,
|
|
const struct pipe_constant_buffer *src)
|
|
{
|
|
if (src) {
|
|
pipe_resource_reference(&dst->buffer, src->buffer);
|
|
dst->buffer_offset = src->buffer_offset;
|
|
dst->buffer_size = src->buffer_size;
|
|
dst->user_buffer = src->user_buffer;
|
|
}
|
|
else {
|
|
pipe_resource_reference(&dst->buffer, NULL);
|
|
dst->buffer_offset = 0;
|
|
dst->buffer_size = 0;
|
|
dst->user_buffer = NULL;
|
|
}
|
|
}
|
|
|
|
static INLINE unsigned
|
|
util_max_layer(const struct pipe_resource *r, unsigned level)
|
|
{
|
|
switch (r->target) {
|
|
case PIPE_TEXTURE_CUBE:
|
|
return 6 - 1;
|
|
case PIPE_TEXTURE_3D:
|
|
return u_minify(r->depth0, level) - 1;
|
|
case PIPE_TEXTURE_1D_ARRAY:
|
|
case PIPE_TEXTURE_2D_ARRAY:
|
|
case PIPE_TEXTURE_CUBE_ARRAY:
|
|
return r->array_size - 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* U_INLINES_H */
|