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glcolorconvert: remove unused swizzling using "rgba" chars

Browse source 
We use indices now instead.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6605>
This commit is contained in:
Matthew Waters 2024-04-03 20:35:06 +11:00 committed by Tim-Philipp Müller
parent 61d7336bf3
commit 1c37913e32
1 changed files with 0 additions and 130 deletions
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130
subprojects/gst-plugins-base/gst-libs/gst/gl/gstglcolorconvert.c
View file

@ -1636,23 +1636,6 @@ _is_planar_rgb (GstVideoFormat v_format)
}
}
static inline gchar
_index_to_shader_swizzle (int idx)
{
switch (idx) {
case 0:
return 'r';
case 1:
return 'g';
case 2:
return 'b';
case 3:
return 'a';
default:
return '#';
}
}
static void
video_format_to_gl_reorder (GstVideoFormat v_format, gint * reorder,
gboolean input)
@ -1725,105 +1708,6 @@ calculate_reorder_indexes (GstVideoFormat in_format,
ret_out[3]);
}
/* attempts to transform expected to want using swizzling */
static gchar *
_RGB_pixel_order (const gchar * expected, const gchar * wanted)
{
GString *ret = g_string_sized_new (4);
gchar *expect, *want;
gchar *orig_want;
int len;
gboolean discard_output = TRUE;
if (g_ascii_strcasecmp (expected, wanted) == 0) {
g_string_free (ret, TRUE);
return g_ascii_strdown (expected, -1);
}
expect = g_ascii_strdown (expected, -1);
orig_want = want = g_ascii_strdown (wanted, -1);
if (strcmp (expect, "rgb16") == 0 || strcmp (expect, "bgr16") == 0) {
gchar *temp = expect;
expect = g_strndup (temp, 3);
g_free (temp);
} else if (strcmp (expect, "bgr10a2_le") == 0) {
gchar *temp = expect;
expect = g_strndup ("bgra", 4);
g_free (temp);
} else if (strcmp (expect, "rgb10a2_le") == 0) {
gchar *temp = expect;
expect = g_strndup ("rgba", 4);
g_free (temp);
} else if (strcmp (expect, "rgbp") == 0 || strcmp (expect, "bgrp") == 0) {
gchar *temp = expect;
expect = g_strndup (temp, 3);
g_free (temp);
}
if (strcmp (want, "rgb16") == 0 || strcmp (want, "bgr16") == 0) {
gchar *temp = want;
orig_want = want = g_strndup (temp, 3);
g_free (temp);
} else if (strcmp (want, "bgr10a2_le") == 0) {
gchar *temp = want;
orig_want = want = g_strndup ("bgra", 4);
g_free (temp);
} else if (strcmp (want, "rgb10a2_le") == 0) {
gchar *temp = want;
orig_want = want = g_strndup ("rgba", 4);
g_free (temp);
}
/* pad want with 'a's */
if ((len = strlen (want)) < 4) {
gchar *new_want = g_strndup (want, 4);
while (len < 4) {
new_want[len] = 'a';
len++;
}
g_free (want);
orig_want = want = new_want;
}
/* pad expect with 'a's */
if ((len = strlen (expect)) < 4) {
gchar *new_expect = g_strndup (expect, 4);
while (len < 4) {
new_expect[len] = 'a';
len++;
}
g_free (expect);
expect = new_expect;
}
/* build the swizzle format */
while (want && want[0] != '\0') {
gchar *val;
gint idx;
gchar needle = want[0];
if (needle == 'x')
needle = 'a';
if (!(val = strchr (expect, needle))
&& needle == 'a' && !(val = strchr (expect, 'x')))
goto out;
idx = (gint) (val - expect);
ret = g_string_append_c (ret, _index_to_shader_swizzle (idx));
want = &want[1];
}
discard_output = FALSE;
out:
g_free (orig_want);
g_free (expect);
return g_string_free (ret, discard_output);
}
static guint
_get_n_textures (GstVideoFormat v_format)
{
@ -1981,8 +1865,6 @@ _YUV_to_RGB (GstGLColorConvert * convert)
GstVideoFormat in_format = GST_VIDEO_INFO_FORMAT (&convert->in_info);
const GstVideoFormatInfo *in_finfo = gst_video_format_get_info (in_format);
GstVideoFormat out_format = GST_VIDEO_INFO_FORMAT (&convert->out_info);
const gchar *out_format_str = gst_video_format_to_string (out_format);
gchar *pixel_order = _RGB_pixel_order ("rgba", out_format_str);
gboolean apple_ycbcr = gst_gl_context_check_feature (convert->context,
"GL_APPLE_ycbcr_422");
gboolean in_tex_rectangular = FALSE;
@ -2189,8 +2071,6 @@ _YUV_to_RGB (GstGLColorConvert * convert)
info->cms_coeff2 = (gfloat *) from_yuv_bt601_gcoeff;
info->cms_coeff3 = (gfloat *) from_yuv_bt601_bcoeff;
}
g_free (pixel_order);
}
static void
@ -2198,10 +2078,8 @@ _RGB_to_YUV (GstGLColorConvert * convert)
{
struct ConvertInfo *info = &convert->priv->convert_info;
GstVideoFormat in_format = GST_VIDEO_INFO_FORMAT (&convert->in_info);
const gchar *in_format_str = gst_video_format_to_string (in_format);
GstVideoFormat out_format = GST_VIDEO_INFO_FORMAT (&convert->out_info);
const GstVideoFormatInfo *out_finfo = gst_video_format_get_info (out_format);
gchar *pixel_order = _RGB_pixel_order (in_format_str, "rgba");
const gchar *alpha;
info->frag_prog = NULL;
@ -2330,7 +2208,6 @@ _RGB_to_YUV (GstGLColorConvert * convert)
info->cms_coeff3 = (gfloat *) from_rgb_bt601_vcoeff;
}
g_free (pixel_order);
}
static void
@ -2338,8 +2215,6 @@ _RGB_to_GRAY (GstGLColorConvert * convert)
{
struct ConvertInfo *info = &convert->priv->convert_info;
GstVideoFormat in_format = GST_VIDEO_INFO_FORMAT (&convert->in_info);
const gchar *in_format_str = gst_video_format_to_string (in_format);
gchar *pixel_order = _RGB_pixel_order (in_format_str, "rgba");
gchar *alpha = NULL;
info->shader_tex_names[0] = "tex";
@ -2367,7 +2242,6 @@ _RGB_to_GRAY (GstGLColorConvert * convert)
}
g_free (alpha);
g_free (pixel_order);
}
static void
@ -2375,8 +2249,6 @@ _GRAY_to_RGB (GstGLColorConvert * convert)
{
struct ConvertInfo *info = &convert->priv->convert_info;
GstVideoFormat out_format = GST_VIDEO_INFO_FORMAT (&convert->out_info);
const gchar *out_format_str = gst_video_format_to_string (out_format);
gchar *pixel_order = _RGB_pixel_order ("rgba", out_format_str);
info->shader_tex_names[0] = "tex";
@ -2416,8 +2288,6 @@ _GRAY_to_RGB (GstGLColorConvert * convert)
default:
break;
}
g_free (pixel_order);
}
static void