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/*
* 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 "r300_context.h"
#include "main/image.h"
#include "main/teximage.h"
#include "main/texstate.h"
#include "drivers/common/meta.h"
#include "radeon_mipmap_tree.h"
#include "r300_blit.h"
#include <main/debug.h>
// TODO:
// need to pass correct pitch for small dst textures!
static GLboolean
do_copy_texsubimage(GLcontext *ctx,
GLenum target, GLint level,
struct radeon_tex_obj *tobj,
radeon_texture_image *timg,
GLint dstx, GLint dsty,
GLint x, GLint y,
GLsizei width, GLsizei height)
{
struct r300_context *r300 = R300_CONTEXT(ctx);
struct radeon_renderbuffer *rrb;
if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) > 0) {
rrb = radeon_get_depthbuffer(&r300->radeon);
} else {
rrb = radeon_get_colorbuffer(&r300->radeon);
}
if (!timg->mt) {
radeon_validate_texture_miptree(ctx, &tobj->base);
}
assert(rrb && rrb->bo);
assert(timg->mt->bo);
assert(timg->base.Width >= dstx + width);
assert(timg->base.Height >= dsty + height);
intptr_t src_offset = rrb->draw_offset;
intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, _mesa_tex_target_to_face(target), level);
if (src_offset % 32 || dst_offset % 32) {
return GL_FALSE;
}
if (0) {
fprintf(stderr, "%s: copying to face %d, level %d\n",
__FUNCTION__, _mesa_tex_target_to_face(target), 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.Width, rrb->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);
}
/* blit from src buffer to texture */
return r300_blit(r300, rrb->bo, src_offset, rrb->base.Format, rrb->pitch/rrb->cpp,
rrb->base.Width, rrb->base.Height, x, y,
timg->mt->bo, dst_offset, timg->base.TexFormat,
timg->base.Width, timg->base.Width, timg->base.Height,
dstx, dsty, width, height, 1);
}
static void
r300CopyTexImage2D(GLcontext *ctx, GLenum target, GLint level,
GLenum internalFormat,
GLint x, GLint y, GLsizei width, GLsizei height,
GLint border)
{
struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
struct gl_texture_object *texObj =
_mesa_select_tex_object(ctx, texUnit, target);
struct gl_texture_image *texImage =
_mesa_select_tex_image(ctx, texObj, target, level);
int srcx, srcy, dstx, dsty;
if (border)
goto fail;
/* Setup or redefine the texture object, mipmap tree and texture
* image. Don't populate yet.
*/
ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
width, height, border,
GL_RGBA, GL_UNSIGNED_BYTE, NULL,
&ctx->DefaultPacking, texObj, texImage);
srcx = x;
srcy = y;
dstx = 0;
dsty = 0;
if (!_mesa_clip_copytexsubimage(ctx,
&dstx, &dsty,
&srcx, &srcy,
&width, &height)) {
return;
}
if (!do_copy_texsubimage(ctx, target, level,
radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
0, 0, x, y, width, height)) {
goto fail;
}
return;
fail:
_mesa_meta_CopyTexImage2D(ctx, target, level, internalFormat, x, y,
width, height, border);
}
static void
r300CopyTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint x, GLint y,
GLsizei width, GLsizei height)
{
struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
struct gl_texture_object *texObj = _mesa_select_tex_object(ctx, texUnit, target);
struct gl_texture_image *texImage = _mesa_select_tex_image(ctx, texObj, target, level);
if (!do_copy_texsubimage(ctx, target, level,
radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
xoffset, yoffset, x, y, width, height)) {
//DEBUG_FALLBACKS
_mesa_meta_CopyTexSubImage2D(ctx, target, level,
xoffset, yoffset, x, y, width, height);
}
}
void r300_init_texcopy_functions(struct dd_function_table *table)
{
table->CopyTexImage2D = r300CopyTexImage2D;
table->CopyTexSubImage2D = r300CopyTexSubImage2D;
}
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