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Replace the disable-npots tool with a COGL_DEBUG option

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Previously in the tests/tools directory we build a disable-npots
library which was used as an LD_PRELOAD to trick Cogl in to thinking
there is no NPOT texture extension. This is a little awkward to use so
it seems much simpler to just define a COGL_DEBUG option to disable
npot textures.
This commit is contained in:
Neil Roberts 2010-11-05 14:55:46 +00:00
parent 117ef6baff
commit 3203c2382f
4 changed files with 16 additions and 2 deletions
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6
cogl/cogl-debug-options.h
View File

@ -127,6 +127,12 @@ OPT (DISABLE_BLENDING,
"disable-blending",
"Disable blending",
"Disable use of blending")
OPT (DISABLE_NPOT_TEXTURES,
"Root Cause",
"disable-npot-textures",
"Disable non-power-of-two textures",
"Makes Cogl think that the GL driver doesn't support NPOT textures "
"so that it will create sliced textures or textures with waste instead.")
OPT (SHOW_SOURCE,
"Cogl Tracing",
"show-source",

3
cogl/cogl-debug.c
View File

@ -69,7 +69,8 @@ static const GDebugKey cogl_behavioural_debug_keys[] = {
{ "disable-texturing", COGL_DEBUG_DISABLE_TEXTURING},
{ "disable-arbfp", COGL_DEBUG_DISABLE_ARBFP},
{ "disable-glsl", COGL_DEBUG_DISABLE_GLSL},
{ "disable-blending", COGL_DEBUG_DISABLE_BLENDING}
{ "disable-blending", COGL_DEBUG_DISABLE_BLENDING},
{ "disable-npot-textures", COGL_DEBUG_DISABLE_NPOT_TEXTURES}
};
static const int n_cogl_behavioural_debug_keys =
G_N_ELEMENTS (cogl_behavioural_debug_keys);

3
cogl/cogl-debug.h
View File

@ -55,7 +55,8 @@ typedef enum {
COGL_DEBUG_SHOW_SOURCE = 1 << 22,
COGL_DEBUG_DISABLE_BLENDING = 1 << 23,
COGL_DEBUG_TEXTURE_PIXMAP = 1 << 24,
COGL_DEBUG_BITMAP = 1 << 25
COGL_DEBUG_BITMAP = 1 << 25,
COGL_DEBUG_DISABLE_NPOT_TEXTURES = 1 << 26
} CoglDebugFlags;
#ifdef COGL_ENABLE_DEBUG

6
cogl/cogl.c
View File

@ -444,6 +444,12 @@ cogl_get_features (void)
if (G_UNLIKELY (cogl_debug_flags & COGL_DEBUG_DISABLE_GLSL))
ctx->feature_flags &= ~COGL_FEATURE_SHADERS_GLSL;
if (G_UNLIKELY (cogl_debug_flags & COGL_DEBUG_DISABLE_NPOT_TEXTURES))
ctx->feature_flags &= ~(COGL_FEATURE_TEXTURE_NPOT |
COGL_FEATURE_TEXTURE_NPOT_BASIC |
COGL_FEATURE_TEXTURE_NPOT_MIPMAP |
COGL_FEATURE_TEXTURE_NPOT_REPEAT);
return ctx->feature_flags;
}