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Check for out-of-memory when allocating 3d textures

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This makes Cogl explicitly check for out-of-memory errors reported by
the opengl driver in cogl_texture_3d_new_with_size() calls. This allows
us to throw a COGL_SYSTEM_ERROR_NO_MEMORY error and return NULL so
applications may gracefully handle this condition.

This patch only affects the cogl_texture_3d_new_with_size() api not
_new_from_data() or _new_from_bitmap().

Reviewed-by: Neil Roberts <neil@linux.intel.com>

(cherry picked from commit a602cae233b16d2ec9ad6fd238b169720467cf75)
This commit is contained in:
Robert Bragg 2012-10-25 17:09:09 +01:00
parent fda5e15bda
commit 272431e102
1 changed files with 21 additions and 9 deletions
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22
cogl/cogl-texture-3d.c
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@ -38,6 +38,7 @@
#include "cogl-pipeline-private.h"
#include "cogl-pipeline-opengl-private.h"
#include "cogl-error-private.h"
#include "cogl-util-gl-private.h"
#include <string.h>
#include <math.h>
@ -137,7 +138,7 @@ _cogl_texture_3d_create_base (CoglContext *ctx,
tex_3d->format = internal_format;
return tex_3d;
return _cogl_texture_3d_object_new (tex_3d);
}
static CoglBool
@ -213,6 +214,7 @@ cogl_texture_3d_new_with_size (CoglContext *ctx,
GLenum gl_intformat;
GLenum gl_format;
GLenum gl_type;
GLenum gl_error;
/* Since no data, we need some internal format */
if (internal_format == COGL_PIXEL_FORMAT_ANY)
@ -239,10 +241,20 @@ cogl_texture_3d_new_with_size (CoglContext *ctx,
_cogl_bind_gl_texture_transient (GL_TEXTURE_3D,
tex_3d->gl_texture,
FALSE);
GE( ctx, glTexImage3D (GL_TEXTURE_3D, 0, gl_intformat,
width, height, depth, 0, gl_format, gl_type, NULL) );
/* Clear any GL errors */
while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR)
;
return _cogl_texture_3d_object_new (tex_3d);
ctx->glTexImage3D (GL_TEXTURE_3D, 0, gl_intformat,
width, height, depth, 0, gl_format, gl_type, NULL);
if (_cogl_gl_util_catch_out_of_memory (ctx, error))
{
cogl_object_unref (tex_3d);
return NULL;
}
return tex_3d;
}
CoglTexture3D *
@ -327,7 +339,7 @@ cogl_texture_3d_new_from_bitmap (CoglBitmap *bmp,
cogl_object_unref (dst_bmp);
return _cogl_texture_3d_object_new (tex_3d);
return tex_3d;
}
CoglTexture3D *