642 lines
19 KiB
C
642 lines
19 KiB
C
/**************************************************************************
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*
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* Copyright 2007 VMware, Inc.
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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 VMWARE 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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#include <stdio.h>
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#include "st_context.h"
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#include "st_format.h"
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#include "st_texture.h"
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#include "main/enums.h"
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#include "pipe/p_state.h"
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#include "pipe/p_context.h"
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#include "pipe/p_defines.h"
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#include "util/u_inlines.h"
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#include "util/format/u_format.h"
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#include "util/u_rect.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "tgsi/tgsi_from_mesa.h"
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#define DBG if(0) printf
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/**
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* Allocate a new pipe_resource object
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* width0, height0, depth0 are the dimensions of the level 0 image
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* (the highest resolution). last_level indicates how many mipmap levels
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* to allocate storage for. For non-mipmapped textures, this will be zero.
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*/
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struct pipe_resource *
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st_texture_create(struct st_context *st,
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enum pipe_texture_target target,
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enum pipe_format format,
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GLuint last_level,
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GLuint width0,
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GLuint height0,
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GLuint depth0,
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GLuint layers,
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GLuint nr_samples,
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GLuint bind,
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bool sparse)
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{
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struct pipe_resource pt, *newtex;
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struct pipe_screen *screen = st->screen;
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assert(target < PIPE_MAX_TEXTURE_TYPES);
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assert(width0 > 0);
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assert(height0 > 0);
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assert(depth0 > 0);
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if (target == PIPE_TEXTURE_CUBE)
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assert(layers == 6);
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DBG("%s target %d format %s last_level %d\n", __func__,
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(int) target, util_format_name(format), last_level);
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assert(format);
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assert(screen->is_format_supported(screen, format, target, 0, 0,
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PIPE_BIND_SAMPLER_VIEW));
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memset(&pt, 0, sizeof(pt));
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pt.target = target;
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pt.format = format;
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pt.last_level = last_level;
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pt.width0 = width0;
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pt.height0 = height0;
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pt.depth0 = depth0;
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pt.array_size = layers;
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pt.usage = PIPE_USAGE_DEFAULT;
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pt.bind = bind;
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/* only set this for OpenGL textures, not renderbuffers */
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pt.flags = PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY;
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pt.nr_samples = nr_samples;
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pt.nr_storage_samples = nr_samples;
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if (sparse)
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pt.flags |= PIPE_RESOURCE_FLAG_SPARSE;
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newtex = screen->resource_create(screen, &pt);
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assert(!newtex || pipe_is_referenced(&newtex->reference));
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return newtex;
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}
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/**
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* In OpenGL the number of 1D array texture layers is the "height" and
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* the number of 2D array texture layers is the "depth". In Gallium the
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* number of layers in an array texture is a separate 'array_size' field.
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* This function converts dimensions from the former to the later.
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*/
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void
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st_gl_texture_dims_to_pipe_dims(GLenum texture,
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unsigned widthIn,
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uint16_t heightIn,
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uint16_t depthIn,
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unsigned *widthOut,
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uint16_t *heightOut,
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uint16_t *depthOut,
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uint16_t *layersOut)
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{
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switch (texture) {
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case GL_TEXTURE_1D:
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case GL_PROXY_TEXTURE_1D:
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assert(heightIn == 1);
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assert(depthIn == 1);
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*widthOut = widthIn;
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*heightOut = 1;
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*depthOut = 1;
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*layersOut = 1;
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break;
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case GL_TEXTURE_1D_ARRAY:
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case GL_PROXY_TEXTURE_1D_ARRAY:
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assert(depthIn == 1);
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*widthOut = widthIn;
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*heightOut = 1;
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*depthOut = 1;
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*layersOut = heightIn;
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break;
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case GL_TEXTURE_2D:
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case GL_PROXY_TEXTURE_2D:
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case GL_TEXTURE_RECTANGLE:
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case GL_PROXY_TEXTURE_RECTANGLE:
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case GL_TEXTURE_EXTERNAL_OES:
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case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
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case GL_TEXTURE_2D_MULTISAMPLE:
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assert(depthIn == 1);
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*widthOut = widthIn;
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*heightOut = heightIn;
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*depthOut = 1;
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*layersOut = 1;
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break;
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case GL_TEXTURE_CUBE_MAP:
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case GL_PROXY_TEXTURE_CUBE_MAP:
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case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
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case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
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case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
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case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
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case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
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case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
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assert(depthIn == 1);
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*widthOut = widthIn;
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*heightOut = heightIn;
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*depthOut = 1;
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*layersOut = 6;
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break;
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case GL_TEXTURE_2D_ARRAY:
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case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
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case GL_PROXY_TEXTURE_2D_ARRAY:
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case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
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*widthOut = widthIn;
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*heightOut = heightIn;
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*depthOut = 1;
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*layersOut = depthIn;
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break;
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case GL_TEXTURE_CUBE_MAP_ARRAY:
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case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
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*widthOut = widthIn;
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*heightOut = heightIn;
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*depthOut = 1;
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*layersOut = util_align_npot(depthIn, 6);
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break;
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default:
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assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
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case GL_TEXTURE_3D:
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case GL_PROXY_TEXTURE_3D:
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*widthOut = widthIn;
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*heightOut = heightIn;
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*depthOut = depthIn;
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*layersOut = 1;
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break;
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}
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}
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/**
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* Check if a texture image can be pulled into a unified mipmap texture.
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*/
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GLboolean
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st_texture_match_image(struct st_context *st,
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const struct pipe_resource *pt,
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const struct gl_texture_image *image)
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{
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unsigned ptWidth;
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uint16_t ptHeight, ptDepth, ptLayers;
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/* Images with borders are never pulled into mipmap textures.
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*/
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if (image->Border)
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return GL_FALSE;
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/* Check if this image's format matches the established texture's format.
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*/
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if (st_mesa_format_to_pipe_format(st, image->TexFormat) != pt->format)
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return GL_FALSE;
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st_gl_texture_dims_to_pipe_dims(image->TexObject->Target,
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image->Width, image->Height, image->Depth,
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&ptWidth, &ptHeight, &ptDepth, &ptLayers);
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/* Test if this image's size matches what's expected in the
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* established texture.
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*/
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if (ptWidth != u_minify(pt->width0, image->Level) ||
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ptHeight != u_minify(pt->height0, image->Level) ||
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ptDepth != u_minify(pt->depth0, image->Level) ||
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ptLayers != pt->array_size)
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return GL_FALSE;
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if (image->Level > pt->last_level)
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return GL_FALSE;
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return GL_TRUE;
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}
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/**
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* Map a texture image and return the address for a particular 2D face/slice/
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* layer. The stImage indicates the cube face and mipmap level. The slice
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* of the 3D texture is passed in 'zoffset'.
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* \param usage one of the PIPE_MAP_x values
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* \param x, y, w, h the region of interest of the 2D image.
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* \return address of mapping or NULL if any error
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*/
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GLubyte *
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st_texture_image_map(struct st_context *st, struct gl_texture_image *stImage,
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enum pipe_map_flags usage,
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GLuint x, GLuint y, GLuint z,
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GLuint w, GLuint h, GLuint d,
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struct pipe_transfer **transfer)
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{
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struct gl_texture_object *stObj = stImage->TexObject;
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GLuint level;
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void *map;
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DBG("%s \n", __func__);
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if (!stImage->pt)
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return NULL;
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if (stObj->pt != stImage->pt)
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level = 0;
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else
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level = stImage->Level;
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if (stObj->Immutable) {
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level += stObj->Attrib.MinLevel;
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z += stObj->Attrib.MinLayer;
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if (stObj->pt->array_size > 1)
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d = MIN2(d, stObj->Attrib.NumLayers);
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}
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z += stImage->Face;
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map = pipe_texture_map_3d(st->pipe, stImage->pt, level, usage,
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x, y, z, w, h, d, transfer);
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if (map) {
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/* Enlarge the transfer array if it's not large enough. */
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if (z >= stImage->num_transfers) {
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unsigned new_size = z + 1;
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stImage->transfer = realloc(stImage->transfer,
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new_size * sizeof(struct st_texture_image_transfer));
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memset(&stImage->transfer[stImage->num_transfers], 0,
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(new_size - stImage->num_transfers) *
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sizeof(struct st_texture_image_transfer));
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stImage->num_transfers = new_size;
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}
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assert(!stImage->transfer[z].transfer);
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stImage->transfer[z].transfer = *transfer;
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}
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return map;
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}
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void
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st_texture_image_unmap(struct st_context *st,
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struct gl_texture_image *stImage, unsigned slice)
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{
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struct pipe_context *pipe = st->pipe;
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struct gl_texture_object *stObj = stImage->TexObject;
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struct pipe_transfer **transfer;
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if (stObj->Immutable)
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slice += stObj->Attrib.MinLayer;
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transfer = &stImage->transfer[slice + stImage->Face].transfer;
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DBG("%s\n", __func__);
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pipe_texture_unmap(pipe, *transfer);
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*transfer = NULL;
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}
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/**
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* For debug only: get/print center pixel in the src resource.
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*/
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static void
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print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src)
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{
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struct pipe_transfer *xfer;
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struct pipe_box region;
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ubyte *map;
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region.x = src->width0 / 2;
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region.y = src->height0 / 2;
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region.z = 0;
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region.width = 1;
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region.height = 1;
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region.depth = 1;
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map = pipe->texture_map(pipe, src, 0, PIPE_MAP_READ, ®ion, &xfer);
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printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]);
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pipe->texture_unmap(pipe, xfer);
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}
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/**
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* Copy the image at level=0 in 'src' to the 'dst' resource at 'dstLevel'.
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* This is used to copy mipmap images from one texture buffer to another.
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* This typically happens when our initial guess at the total texture size
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* is incorrect (see the guess_and_alloc_texture() function).
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*/
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void
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st_texture_image_copy(struct pipe_context *pipe,
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struct pipe_resource *dst, GLuint dstLevel,
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struct pipe_resource *src, GLuint srcLevel,
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GLuint face)
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{
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GLuint width = u_minify(dst->width0, dstLevel);
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GLuint height = u_minify(dst->height0, dstLevel);
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GLuint depth = u_minify(dst->depth0, dstLevel);
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struct pipe_box src_box;
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GLuint i;
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if (u_minify(src->width0, srcLevel) != width ||
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u_minify(src->height0, srcLevel) != height ||
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u_minify(src->depth0, srcLevel) != depth) {
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/* The source image size doesn't match the destination image size.
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* This can happen in some degenerate situations such as rendering to a
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* cube map face which was set up with mismatched texture sizes.
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*/
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return;
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}
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src_box.x = 0;
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src_box.y = 0;
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src_box.width = width;
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src_box.height = height;
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src_box.depth = 1;
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if (src->target == PIPE_TEXTURE_1D_ARRAY ||
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src->target == PIPE_TEXTURE_2D_ARRAY ||
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src->target == PIPE_TEXTURE_CUBE_ARRAY) {
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face = 0;
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depth = src->array_size;
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}
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/* Loop over 3D image slices */
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/* could (and probably should) use "true" 3d box here -
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but drivers can't quite handle it yet */
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for (i = face; i < face + depth; i++) {
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src_box.z = i;
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if (0) {
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print_center_pixel(pipe, src);
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}
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pipe->resource_copy_region(pipe,
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dst,
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dstLevel,
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0, 0, i,/* destX, Y, Z */
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src,
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srcLevel,
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&src_box);
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}
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}
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struct pipe_resource *
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st_create_color_map_texture(struct gl_context *ctx)
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{
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struct st_context *st = st_context(ctx);
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struct pipe_resource *pt;
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enum pipe_format format;
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const uint texSize = 256; /* simple, and usually perfect */
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/* find an RGBA texture format */
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format = st_choose_format(st, GL_RGBA, GL_NONE, GL_NONE,
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PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW,
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false, false);
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/* create texture for color map/table */
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pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
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texSize, texSize, 1, 1, 0, PIPE_BIND_SAMPLER_VIEW, false);
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return pt;
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}
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/**
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* Destroy bound texture handles for the given stage.
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*/
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static void
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st_destroy_bound_texture_handles_per_stage(struct st_context *st,
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enum pipe_shader_type shader)
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{
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struct st_bound_handles *bound_handles = &st->bound_texture_handles[shader];
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struct pipe_context *pipe = st->pipe;
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unsigned i;
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if (likely(!bound_handles->num_handles))
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return;
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for (i = 0; i < bound_handles->num_handles; i++) {
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uint64_t handle = bound_handles->handles[i];
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pipe->make_texture_handle_resident(pipe, handle, false);
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pipe->delete_texture_handle(pipe, handle);
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}
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free(bound_handles->handles);
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bound_handles->handles = NULL;
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bound_handles->num_handles = 0;
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}
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/**
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* Destroy all bound texture handles in the context.
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*/
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void
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st_destroy_bound_texture_handles(struct st_context *st)
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{
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unsigned i;
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for (i = 0; i < PIPE_SHADER_TYPES; i++) {
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st_destroy_bound_texture_handles_per_stage(st, i);
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}
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}
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/**
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* Destroy bound image handles for the given stage.
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*/
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static void
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st_destroy_bound_image_handles_per_stage(struct st_context *st,
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enum pipe_shader_type shader)
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{
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struct st_bound_handles *bound_handles = &st->bound_image_handles[shader];
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struct pipe_context *pipe = st->pipe;
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unsigned i;
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if (likely(!bound_handles->num_handles))
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return;
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for (i = 0; i < bound_handles->num_handles; i++) {
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uint64_t handle = bound_handles->handles[i];
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pipe->make_image_handle_resident(pipe, handle, GL_READ_WRITE, false);
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pipe->delete_image_handle(pipe, handle);
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}
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free(bound_handles->handles);
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bound_handles->handles = NULL;
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bound_handles->num_handles = 0;
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}
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/**
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* Destroy all bound image handles in the context.
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*/
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void
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st_destroy_bound_image_handles(struct st_context *st)
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{
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unsigned i;
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for (i = 0; i < PIPE_SHADER_TYPES; i++) {
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st_destroy_bound_image_handles_per_stage(st, i);
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}
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}
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/**
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* Create a texture handle from a texture unit.
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*/
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static GLuint64
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st_create_texture_handle_from_unit(struct st_context *st,
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struct gl_program *prog, GLuint texUnit)
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{
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struct pipe_context *pipe = st->pipe;
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struct pipe_sampler_view *view;
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struct pipe_sampler_state sampler = {0};
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/* TODO: Clarify the interaction of ARB_bindless_texture and EXT_texture_sRGB_decode */
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view = st_update_single_texture(st, texUnit, prog->sh.data->Version >= 130,
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true, false);
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|
if (!view)
|
|
return 0;
|
|
|
|
if (view->target != PIPE_BUFFER)
|
|
st_convert_sampler_from_unit(st, &sampler, texUnit);
|
|
|
|
assert(st->ctx->Texture.Unit[texUnit]._Current);
|
|
|
|
return pipe->create_texture_handle(pipe, view, &sampler);
|
|
}
|
|
|
|
|
|
/**
|
|
* Create an image handle from an image unit.
|
|
*/
|
|
static GLuint64
|
|
st_create_image_handle_from_unit(struct st_context *st,
|
|
struct gl_program *prog, GLuint imgUnit)
|
|
{
|
|
struct pipe_context *pipe = st->pipe;
|
|
struct pipe_image_view img;
|
|
|
|
st_convert_image_from_unit(st, &img, imgUnit, GL_READ_WRITE);
|
|
|
|
return pipe->create_image_handle(pipe, &img);
|
|
}
|
|
|
|
|
|
/**
|
|
* Make all bindless samplers bound to texture units resident in the context.
|
|
*/
|
|
void
|
|
st_make_bound_samplers_resident(struct st_context *st,
|
|
struct gl_program *prog)
|
|
{
|
|
enum pipe_shader_type shader = pipe_shader_type_from_mesa(prog->info.stage);
|
|
struct st_bound_handles *bound_handles = &st->bound_texture_handles[shader];
|
|
struct pipe_context *pipe = st->pipe;
|
|
GLuint64 handle;
|
|
int i;
|
|
|
|
/* Remove previous bound texture handles for this stage. */
|
|
st_destroy_bound_texture_handles_per_stage(st, shader);
|
|
|
|
if (likely(!prog->sh.HasBoundBindlessSampler))
|
|
return;
|
|
|
|
for (i = 0; i < prog->sh.NumBindlessSamplers; i++) {
|
|
struct gl_bindless_sampler *sampler = &prog->sh.BindlessSamplers[i];
|
|
|
|
if (!sampler->bound)
|
|
continue;
|
|
|
|
/* Request a new texture handle from the driver and make it resident. */
|
|
handle = st_create_texture_handle_from_unit(st, prog, sampler->unit);
|
|
if (!handle)
|
|
continue;
|
|
|
|
pipe->make_texture_handle_resident(st->pipe, handle, true);
|
|
|
|
/* Overwrite the texture unit value by the resident handle before
|
|
* uploading the constant buffer.
|
|
*/
|
|
*(uint64_t *)sampler->data = handle;
|
|
|
|
/* Store the handle in the context. */
|
|
bound_handles->handles = (uint64_t *)
|
|
realloc(bound_handles->handles,
|
|
(bound_handles->num_handles + 1) * sizeof(uint64_t));
|
|
bound_handles->handles[bound_handles->num_handles] = handle;
|
|
bound_handles->num_handles++;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Make all bindless images bound to image units resident in the context.
|
|
*/
|
|
void
|
|
st_make_bound_images_resident(struct st_context *st,
|
|
struct gl_program *prog)
|
|
{
|
|
enum pipe_shader_type shader = pipe_shader_type_from_mesa(prog->info.stage);
|
|
struct st_bound_handles *bound_handles = &st->bound_image_handles[shader];
|
|
struct pipe_context *pipe = st->pipe;
|
|
GLuint64 handle;
|
|
int i;
|
|
|
|
/* Remove previous bound image handles for this stage. */
|
|
st_destroy_bound_image_handles_per_stage(st, shader);
|
|
|
|
if (likely(!prog->sh.HasBoundBindlessImage))
|
|
return;
|
|
|
|
for (i = 0; i < prog->sh.NumBindlessImages; i++) {
|
|
struct gl_bindless_image *image = &prog->sh.BindlessImages[i];
|
|
|
|
if (!image->bound)
|
|
continue;
|
|
|
|
/* Request a new image handle from the driver and make it resident. */
|
|
handle = st_create_image_handle_from_unit(st, prog, image->unit);
|
|
if (!handle)
|
|
continue;
|
|
|
|
pipe->make_image_handle_resident(st->pipe, handle, GL_READ_WRITE, true);
|
|
|
|
/* Overwrite the image unit value by the resident handle before uploading
|
|
* the constant buffer.
|
|
*/
|
|
*(uint64_t *)image->data = handle;
|
|
|
|
/* Store the handle in the context. */
|
|
bound_handles->handles = (uint64_t *)
|
|
realloc(bound_handles->handles,
|
|
(bound_handles->num_handles + 1) * sizeof(uint64_t));
|
|
bound_handles->handles[bound_handles->num_handles] = handle;
|
|
bound_handles->num_handles++;
|
|
}
|
|
}
|