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gsk: Use GL texture information

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Use the flags and color profile information from
GL textures to figure out what conversions we need
to do on them.
This commit is contained in:
Matthias Clasen
2022-05-08 14:55:24 -04:00
parent bf0f7dddc5
commit 1d9af571a5
1 changed files with 21 additions and 8 deletions
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29
gsk/gl/gskgldriver.c
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@@ -42,6 +42,7 @@
#include <gdk/gdkdisplayprivate.h>
#include <gdk/gdkmemoryformatprivate.h>
#include <gdk/gdkmemorytextureprivate.h>
#include <gdk/gdkcolorprofileprivate.h>
#include <gdk/gdkprofilerprivate.h>
#include <gdk/gdktextureprivate.h>
@@ -883,28 +884,40 @@ gsk_gl_driver_load_texture (GskGLDriver *self,
if (gdk_gl_context_is_shared (context, texture_context))
{
GdkColorProfile *profile;
guint gl_texture_id;
GdkGLTextureFlags flags;
gl_texture_id = gdk_gl_texture_get_id (gl_texture);
profile = gdk_texture_get_color_profile (texture);
flags = gdk_gl_texture_get_flags (gl_texture);
/* A GL texture from the same GL context is a simple task... */
if (gdk_color_profile_is_linear (gdk_texture_get_color_profile (texture)))
if (profile == gdk_color_profile_get_srgb_linear () &&
flags == GDK_GL_TEXTURE_PREMULTIPLIED)
{
return gl_texture_id;
}
else
else if (profile == gdk_color_profile_get_srgb () ||
profile == gdk_color_profile_get_srgb_linear ())
{
/* The GL texture isn't linear sRGB, so we need to convert
* it before we can use it. For now, we just assume that it
* is nonlinear sRGB. Eventually, we should figure out how
* to convert from other color spaces to linear sRGB
*/
conversion = 0;
if (profile == gdk_color_profile_get_srgb ())
conversion |= GSK_CONVERSION_LINEARIZE;
if ((flags & GDK_GL_TEXTURE_PREMULTIPLIED) == 0)
conversion |= GSK_CONVERSION_PREMULTIPLY;
if ((flags & GDK_GL_TEXTURE_FLIPPED) != 0)
conversion |= GSK_CONVERSION_FLIP;
t = gsk_gl_driver_convert_texture (self,
gl_texture_id,
width, height,
format,
min_filter, mag_filter,
GSK_CONVERSION_LINEARIZE);
conversion);
if (gdk_texture_set_render_data (texture, self, t, gsk_gl_texture_destroyed))
t->user = texture;