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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 "main/mtypes.h"
#include "main/texobj.h"
#include "main/texstore.h"
#include "main/texcompress.h"
#include "main/enums.h"
#include "intel_context.h"
#include "intel_tex.h"
#include "intel_mipmap_tree.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
static void
intelTexSubimage(GLcontext * ctx,
GLint dims,
GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
GLsizei imageSize,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
GLboolean compressed)
{
struct intel_context *intel = intel_context(ctx);
struct intel_texture_image *intelImage = intel_texture_image(texImage);
GLuint dstRowStride = 0;
DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
level, xoffset, yoffset, width, height);
intelFlush(ctx);
if (compressed)
pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize,
pixels, packing,
"glCompressedTexImage");
else
pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
format, type, pixels, packing,
"glTexSubImage");
if (!pixels)
return;
LOCK_HARDWARE(intel);
/* Map buffer if necessary. Need to lock to prevent other contexts
* from uploading the buffer under us.
*/
if (intelImage->mt)
texImage->Data = intel_miptree_image_map(intel,
intelImage->mt,
intelImage->face,
intelImage->level,
&dstRowStride,
texImage->ImageOffsets);
else {
if (texImage->IsCompressed) {
dstRowStride =
_mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
assert(dims != 3);
}
else {
dstRowStride = texImage->RowStride * texImage->TexFormat->TexelBytes;
}
}
assert(dstRowStride);
if (compressed) {
if (intelImage->mt) {
struct intel_region *dst = intelImage->mt->region;
_mesa_copy_rect(texImage->Data, dst->cpp, dst->pitch,
xoffset, yoffset / 4,
(width + 3) & ~3, (height + 3) / 4,
pixels, (width + 3) & ~3, 0, 0);
} else
memcpy(texImage->Data, pixels, imageSize);
}
else {
if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
texImage->TexFormat,
texImage->Data,
xoffset, yoffset, zoffset,
dstRowStride,
texImage->ImageOffsets,
width, height, depth,
format, type, pixels, packing)) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
}
}
_mesa_unmap_teximage_pbo(ctx, packing);
if (intelImage->mt) {
intel_miptree_image_unmap(intel, intelImage->mt);
texImage->Data = NULL;
}
UNLOCK_HARDWARE(intel);
/* GL_SGIS_generate_mipmap */
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
intel_generate_mipmap(ctx, target, texObj);
}
}
static void
intelTexSubImage3D(GLcontext * ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type,
const GLvoid * pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
intelTexSubimage(ctx, 3,
target, level,
xoffset, yoffset, zoffset,
width, height, depth, 0,
format, type, pixels, packing, texObj, texImage, GL_FALSE);
}
static void
intelTexSubImage2D(GLcontext * ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const GLvoid * pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
intelTexSubimage(ctx, 2,
target, level,
xoffset, yoffset, 0,
width, height, 1, 0,
format, type, pixels, packing, texObj, texImage, GL_FALSE);
}
static void
intelTexSubImage1D(GLcontext * ctx,
GLenum target,
GLint level,
GLint xoffset,
GLsizei width,
GLenum format, GLenum type,
const GLvoid * pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
intelTexSubimage(ctx, 1,
target, level,
xoffset, 0, 0,
width, 1, 1, 0,
format, type, pixels, packing, texObj, texImage, GL_FALSE);
}
static void
intelCompressedTexSubImage2D(GLcontext * ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid * pixels,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
intelTexSubimage(ctx, 2,
target, level,
xoffset, yoffset, 0,
width, height, 1, imageSize,
format, 0, pixels, &ctx->Unpack, texObj, texImage, GL_TRUE);
}
void
intelInitTextureSubImageFuncs(struct dd_function_table *functions)
{
functions->TexSubImage1D = intelTexSubImage1D;
functions->TexSubImage2D = intelTexSubImage2D;
functions->TexSubImage3D = intelTexSubImage3D;
functions->CompressedTexSubImage2D = intelCompressedTexSubImage2D;
}
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