161 lines
5.8 KiB
C
161 lines
5.8 KiB
C
/*
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* Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
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*
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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
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* a 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, sublicense, 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
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "radeon_common.h"
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#include "radeon_texture.h"
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#include "main/enums.h"
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#include "main/image.h"
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#include "main/teximage.h"
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#include "main/texstate.h"
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#include "drivers/common/meta.h"
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#include "radeon_mipmap_tree.h"
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static GLboolean
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do_copy_texsubimage(struct gl_context *ctx,
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struct radeon_tex_obj *tobj,
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radeon_texture_image *timg,
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GLint dstx, GLint dsty,
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struct radeon_renderbuffer *rrb,
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GLint x, GLint y,
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GLsizei width, GLsizei height)
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{
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radeonContextPtr radeon = RADEON_CONTEXT(ctx);
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const GLuint face = timg->base.Base.Face;
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const GLuint level = timg->base.Base.Level;
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unsigned src_bpp;
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unsigned dst_bpp;
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mesa_format src_mesaformat;
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mesa_format dst_mesaformat;
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unsigned flip_y;
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if (!radeon->vtbl.blit) {
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return GL_FALSE;
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}
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// This is software renderbuffer, fallback to swrast
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if (!rrb) {
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return GL_FALSE;
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}
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if (_mesa_get_format_bits(timg->base.Base.TexFormat, GL_DEPTH_BITS) > 0) {
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/* copying depth values */
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flip_y = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Type == GL_NONE;
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} else {
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/* copying color */
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flip_y = ctx->ReadBuffer->Attachment[BUFFER_COLOR0].Type == GL_NONE;
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}
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if (!timg->mt) {
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radeon_validate_texture_miptree(ctx, &tobj->base.Sampler, &tobj->base);
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}
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assert(rrb->bo);
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assert(timg->mt);
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assert(timg->mt->bo);
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assert(timg->base.Base.Width >= dstx + width);
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assert(timg->base.Base.Height >= dsty + height);
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intptr_t src_offset = rrb->draw_offset;
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intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, face, level);
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if (0) {
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fprintf(stderr, "%s: copying to face %d, level %d\n",
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__func__, face, level);
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fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
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fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
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x, y, rrb->base.Base.Width, rrb->base.Base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp);
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fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size);
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}
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src_mesaformat = rrb->base.Base.Format;
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dst_mesaformat = timg->base.Base.TexFormat;
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src_bpp = _mesa_get_format_bytes(src_mesaformat);
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dst_bpp = _mesa_get_format_bytes(dst_mesaformat);
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if (!radeon->vtbl.check_blit(dst_mesaformat, rrb->pitch / rrb->cpp)) {
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/* depth formats tend to be special */
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if (_mesa_get_format_bits(dst_mesaformat, GL_DEPTH_BITS) > 0)
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return GL_FALSE;
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if (src_bpp != dst_bpp)
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return GL_FALSE;
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switch (dst_bpp) {
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case 2:
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src_mesaformat = MESA_FORMAT_B5G6R5_UNORM;
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dst_mesaformat = MESA_FORMAT_B5G6R5_UNORM;
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break;
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case 4:
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src_mesaformat = MESA_FORMAT_B8G8R8A8_UNORM;
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dst_mesaformat = MESA_FORMAT_B8G8R8A8_UNORM;
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break;
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case 1:
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src_mesaformat = MESA_FORMAT_A_UNORM8;
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dst_mesaformat = MESA_FORMAT_A_UNORM8;
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break;
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default:
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return GL_FALSE;
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}
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}
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/* blit from src buffer to texture */
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return radeon->vtbl.blit(ctx, rrb->bo, src_offset, src_mesaformat, rrb->pitch/rrb->cpp,
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rrb->base.Base.Width, rrb->base.Base.Height, x, y,
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timg->mt->bo, dst_offset, dst_mesaformat,
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timg->mt->levels[level].rowstride / dst_bpp,
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timg->base.Base.Width, timg->base.Base.Height,
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dstx, dsty, width, height, flip_y);
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}
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void
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radeonCopyTexSubImage(struct gl_context *ctx, GLuint dims,
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struct gl_texture_image *texImage,
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GLint xoffset, GLint yoffset, GLint slice,
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struct gl_renderbuffer *rb,
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GLint x, GLint y,
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GLsizei width, GLsizei height)
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{
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radeonContextPtr radeon = RADEON_CONTEXT(ctx);
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radeon_prepare_render(radeon);
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if (slice != 0 || !do_copy_texsubimage(ctx,
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radeon_tex_obj(texImage->TexObject),
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(radeon_texture_image *)texImage,
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xoffset, yoffset,
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radeon_renderbuffer(rb), x, y, width, height)) {
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radeon_print(RADEON_FALLBACKS, RADEON_NORMAL,
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"Falling back to sw for glCopyTexSubImage2D\n");
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_mesa_meta_CopyTexSubImage(ctx, dims, texImage,
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xoffset, yoffset, slice,
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rb, x, y, width, height);
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}
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}
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