da7971f6be
GL_TEXTURE_MAX_LEVEL is not supported on GLES so we can't set it. It looks like Mesa was letting us get away with this but on other drivers it may cause errors. The enum is not defined in the GLES headers so it was failing to compile unless the GL driver is also enabled. The test-texture-mipmap-get-set test is now marked as n/a on GLES2 because it can't support limiting the sampled mipmaps. Reviewed-by: Robert Bragg <robert@linux.intel.com> (cherry picked from commit ba51c393818582b058f5f1e66cf8d13835ad10e5) Conflicts: tests/conform/test-conform-main.c
150 lines
4.7 KiB
C
150 lines
4.7 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2012 Intel Corporation.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <strings.h>
|
|
|
|
#include "cogl-context-private.h"
|
|
#include "cogl-util-gl-private.h"
|
|
#include "cogl-texture-gl-private.h"
|
|
#include "cogl-texture-3d-private.h"
|
|
#include "cogl-util.h"
|
|
#include "cogl-pipeline-opengl-private.h"
|
|
|
|
static inline int
|
|
calculate_alignment (int rowstride)
|
|
{
|
|
int alignment = 1 << (_cogl_util_ffs (rowstride) - 1);
|
|
|
|
return MIN (alignment, 8);
|
|
}
|
|
|
|
void
|
|
_cogl_texture_gl_prep_alignment_for_pixels_upload (CoglContext *ctx,
|
|
int pixels_rowstride)
|
|
{
|
|
GE( ctx, glPixelStorei (GL_UNPACK_ALIGNMENT,
|
|
calculate_alignment (pixels_rowstride)) );
|
|
}
|
|
|
|
void
|
|
_cogl_texture_gl_prep_alignment_for_pixels_download (CoglContext *ctx,
|
|
int bpp,
|
|
int width,
|
|
int rowstride)
|
|
{
|
|
int alignment;
|
|
|
|
/* If no padding is needed then we can always use an alignment of 1.
|
|
* We want to do this even though it is equivalent to the alignment
|
|
* of the rowstride because the Intel driver in Mesa currently has
|
|
* an optimisation when reading data into a PBO that only works if
|
|
* the alignment is exactly 1.
|
|
*
|
|
* https://bugs.freedesktop.org/show_bug.cgi?id=46632
|
|
*/
|
|
|
|
if (rowstride == bpp * width)
|
|
alignment = 1;
|
|
else
|
|
alignment = calculate_alignment (rowstride);
|
|
|
|
GE( ctx, glPixelStorei (GL_PACK_ALIGNMENT, alignment) );
|
|
}
|
|
|
|
void
|
|
_cogl_texture_gl_flush_legacy_texobj_wrap_modes (CoglTexture *texture,
|
|
unsigned int wrap_mode_s,
|
|
unsigned int wrap_mode_t,
|
|
unsigned int wrap_mode_p)
|
|
{
|
|
texture->vtable->gl_flush_legacy_texobj_wrap_modes (texture,
|
|
wrap_mode_s,
|
|
wrap_mode_t,
|
|
wrap_mode_p);
|
|
}
|
|
|
|
void
|
|
_cogl_texture_gl_flush_legacy_texobj_filters (CoglTexture *texture,
|
|
unsigned int min_filter,
|
|
unsigned int mag_filter)
|
|
{
|
|
texture->vtable->gl_flush_legacy_texobj_filters (texture,
|
|
min_filter, mag_filter);
|
|
}
|
|
|
|
void
|
|
_cogl_texture_gl_maybe_update_max_level (CoglTexture *texture,
|
|
int max_level)
|
|
{
|
|
/* This isn't supported on GLES */
|
|
#ifdef HAVE_COGL_GL
|
|
CoglContext *ctx = texture->context;
|
|
|
|
if ((ctx->private_feature_flags & COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL) &&
|
|
texture->max_level < max_level)
|
|
{
|
|
CoglContext *ctx = texture->context;
|
|
GLuint gl_handle;
|
|
GLenum gl_target;
|
|
|
|
cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target);
|
|
|
|
texture->max_level = max_level;
|
|
|
|
_cogl_bind_gl_texture_transient (gl_target,
|
|
gl_handle,
|
|
_cogl_texture_is_foreign (texture));
|
|
|
|
GE( ctx, glTexParameteri (gl_target,
|
|
GL_TEXTURE_MAX_LEVEL, texture->max_level));
|
|
}
|
|
#endif /* HAVE_COGL_GL */
|
|
}
|
|
|
|
void
|
|
_cogl_texture_gl_generate_mipmaps (CoglTexture *texture)
|
|
{
|
|
CoglContext *ctx = texture->context;
|
|
int n_levels = _cogl_texture_get_n_levels (texture);
|
|
GLuint gl_handle;
|
|
GLenum gl_target;
|
|
|
|
_cogl_texture_gl_maybe_update_max_level (texture, n_levels - 1);
|
|
|
|
cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target);
|
|
|
|
_cogl_bind_gl_texture_transient (gl_target,
|
|
gl_handle,
|
|
_cogl_texture_is_foreign (texture));
|
|
GE( ctx, glGenerateMipmap (gl_target) );
|
|
}
|
|
|
|
GLenum
|
|
_cogl_texture_gl_get_format (CoglTexture *texture)
|
|
{
|
|
return texture->vtable->get_gl_format (texture);
|
|
}
|