| /* |
| * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com> |
| * |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial |
| * portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include "radeon_common.h" |
| #include "radeon_texture.h" |
| |
| #include "main/enums.h" |
| #include "main/image.h" |
| #include "main/teximage.h" |
| #include "main/texstate.h" |
| #include "drivers/common/meta.h" |
| |
| #include "radeon_mipmap_tree.h" |
| |
| static GLboolean |
| do_copy_texsubimage(struct gl_context *ctx, |
| struct radeon_tex_obj *tobj, |
| radeon_texture_image *timg, |
| GLint dstx, GLint dsty, |
| struct radeon_renderbuffer *rrb, |
| GLint x, GLint y, |
| GLsizei width, GLsizei height) |
| { |
| radeonContextPtr radeon = RADEON_CONTEXT(ctx); |
| const GLuint face = timg->base.Base.Face; |
| const GLuint level = timg->base.Base.Level; |
| unsigned src_bpp; |
| unsigned dst_bpp; |
| gl_format src_mesaformat; |
| gl_format dst_mesaformat; |
| unsigned flip_y; |
| |
| if (!radeon->vtbl.blit) { |
| return GL_FALSE; |
| } |
| |
| // This is software renderbuffer, fallback to swrast |
| if (!rrb) { |
| return GL_FALSE; |
| } |
| |
| if (_mesa_get_format_bits(timg->base.Base.TexFormat, GL_DEPTH_BITS) > 0) { |
| /* copying depth values */ |
| flip_y = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Type == GL_NONE; |
| } else { |
| /* copying color */ |
| flip_y = ctx->ReadBuffer->Attachment[BUFFER_COLOR0].Type == GL_NONE; |
| } |
| |
| if (!timg->mt) { |
| radeon_validate_texture_miptree(ctx, &tobj->base.Sampler, &tobj->base); |
| } |
| |
| assert(rrb->bo); |
| assert(timg->mt); |
| assert(timg->mt->bo); |
| assert(timg->base.Base.Width >= dstx + width); |
| assert(timg->base.Base.Height >= dsty + height); |
| |
| intptr_t src_offset = rrb->draw_offset; |
| intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, face, level); |
| |
| if (0) { |
| fprintf(stderr, "%s: copying to face %d, level %d\n", |
| __FUNCTION__, face, level); |
| fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset); |
| fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n", |
| x, y, rrb->base.Base.Width, rrb->base.Base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp); |
| fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size); |
| |
| } |
| |
| src_mesaformat = rrb->base.Base.Format; |
| dst_mesaformat = timg->base.Base.TexFormat; |
| src_bpp = _mesa_get_format_bytes(src_mesaformat); |
| dst_bpp = _mesa_get_format_bytes(dst_mesaformat); |
| if (!radeon->vtbl.check_blit(dst_mesaformat, rrb->pitch / rrb->cpp)) { |
| /* depth formats tend to be special */ |
| if (_mesa_get_format_bits(dst_mesaformat, GL_DEPTH_BITS) > 0) |
| return GL_FALSE; |
| |
| if (src_bpp != dst_bpp) |
| return GL_FALSE; |
| |
| switch (dst_bpp) { |
| case 2: |
| src_mesaformat = MESA_FORMAT_RGB565; |
| dst_mesaformat = MESA_FORMAT_RGB565; |
| break; |
| case 4: |
| src_mesaformat = MESA_FORMAT_ARGB8888; |
| dst_mesaformat = MESA_FORMAT_ARGB8888; |
| break; |
| case 1: |
| src_mesaformat = MESA_FORMAT_A8; |
| dst_mesaformat = MESA_FORMAT_A8; |
| break; |
| default: |
| return GL_FALSE; |
| } |
| } |
| |
| /* blit from src buffer to texture */ |
| return radeon->vtbl.blit(ctx, rrb->bo, src_offset, src_mesaformat, rrb->pitch/rrb->cpp, |
| rrb->base.Base.Width, rrb->base.Base.Height, x, y, |
| timg->mt->bo, dst_offset, dst_mesaformat, |
| timg->mt->levels[level].rowstride / dst_bpp, |
| timg->base.Base.Width, timg->base.Base.Height, |
| dstx, dsty, width, height, flip_y); |
| } |
| |
| void |
| radeonCopyTexSubImage(struct gl_context *ctx, GLuint dims, |
| struct gl_texture_image *texImage, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| struct gl_renderbuffer *rb, |
| GLint x, GLint y, |
| GLsizei width, GLsizei height) |
| { |
| radeonContextPtr radeon = RADEON_CONTEXT(ctx); |
| radeon_prepare_render(radeon); |
| |
| if (dims != 2 || !do_copy_texsubimage(ctx, |
| radeon_tex_obj(texImage->TexObject), |
| (radeon_texture_image *)texImage, |
| xoffset, yoffset, |
| radeon_renderbuffer(rb), x, y, width, height)) { |
| |
| radeon_print(RADEON_FALLBACKS, RADEON_NORMAL, |
| "Falling back to sw for glCopyTexSubImage2D\n"); |
| |
| _mesa_meta_CopyTexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| rb, x, y, width, height); |
| } |
| } |