mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-27 22:20:24 +00:00
824ccfc562
If the wrong color states get passed, we need to figure that out, before we run shaders with junk values doing god knows what.
92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
#pragma once
|
|
|
|
#include "gskgputypesprivate.h"
|
|
|
|
#include "gdk/gdkcolorprivate.h"
|
|
#include "gdk/gdkcolorstateprivate.h"
|
|
|
|
#define COLOR_SPACE_OUTPUT_PREMULTIPLIED (1u << 2)
|
|
#define COLOR_SPACE_ALT_PREMULTIPLIED (1u << 3)
|
|
#define COLOR_SPACE_OUTPUT_SHIFT 8u
|
|
#define COLOR_SPACE_ALT_SHIFT 16u
|
|
#define COLOR_SPACE_COLOR_STATE_MASK 0xFFu
|
|
|
|
static inline GskGpuColorStates
|
|
gsk_gpu_color_states_create_equal (gboolean output_is_premultiplied,
|
|
gboolean alt_is_premultiplied)
|
|
{
|
|
/* We use ID 0 here for the colorspaces - if that ever becomes an issue
|
|
* that it maps to SRGB, we need to invent something */
|
|
return (output_is_premultiplied ? COLOR_SPACE_OUTPUT_PREMULTIPLIED : 0) |
|
|
(alt_is_premultiplied ? COLOR_SPACE_ALT_PREMULTIPLIED : 0);
|
|
}
|
|
|
|
static inline GskGpuColorStates
|
|
gsk_gpu_color_states_create (GdkColorState *output_color_state,
|
|
gboolean output_is_premultiplied,
|
|
GdkColorState *alt_color_state,
|
|
gboolean alt_is_premultiplied)
|
|
{
|
|
g_assert (GDK_IS_DEFAULT_COLOR_STATE (output_color_state));
|
|
g_assert (GDK_IS_DEFAULT_COLOR_STATE (alt_color_state));
|
|
|
|
if (gdk_color_state_equal (output_color_state, alt_color_state))
|
|
return gsk_gpu_color_states_create_equal (output_is_premultiplied, alt_is_premultiplied);
|
|
|
|
return (GDK_DEFAULT_COLOR_STATE_ID (output_color_state) << COLOR_SPACE_OUTPUT_SHIFT) |
|
|
(output_is_premultiplied ? COLOR_SPACE_OUTPUT_PREMULTIPLIED : 0) |
|
|
(GDK_DEFAULT_COLOR_STATE_ID (alt_color_state) << COLOR_SPACE_ALT_SHIFT) |
|
|
(alt_is_premultiplied ? COLOR_SPACE_ALT_PREMULTIPLIED : 0);
|
|
}
|
|
|
|
static inline GskGpuColorStates
|
|
gsk_gpu_color_states_create_cicp (GdkColorState *output_color_state,
|
|
gboolean output_is_premultiplied,
|
|
gboolean cicp_is_premultiplied)
|
|
{
|
|
g_assert (GDK_IS_DEFAULT_COLOR_STATE (output_color_state));
|
|
|
|
return (GDK_DEFAULT_COLOR_STATE_ID (output_color_state) << COLOR_SPACE_OUTPUT_SHIFT) |
|
|
(output_is_premultiplied ? COLOR_SPACE_OUTPUT_PREMULTIPLIED : 0) |
|
|
(GDK_DEFAULT_COLOR_STATE_ID (output_color_state) << COLOR_SPACE_ALT_SHIFT) |
|
|
(cicp_is_premultiplied ? COLOR_SPACE_ALT_PREMULTIPLIED : 0);
|
|
}
|
|
|
|
static inline GdkColorState *
|
|
gsk_gpu_color_states_get_output (GskGpuColorStates self)
|
|
{
|
|
return ((GdkColorState *) &gdk_default_color_states[(self >> COLOR_SPACE_OUTPUT_SHIFT) & COLOR_SPACE_COLOR_STATE_MASK]);
|
|
}
|
|
|
|
static inline gboolean
|
|
gsk_gpu_color_states_is_output_premultiplied (GskGpuColorStates self)
|
|
{
|
|
return !!(self & COLOR_SPACE_OUTPUT_PREMULTIPLIED);
|
|
}
|
|
|
|
static inline GdkColorState *
|
|
gsk_gpu_color_states_get_alt (GskGpuColorStates self)
|
|
{
|
|
return ((GdkColorState *) &gdk_default_color_states[(self >> COLOR_SPACE_ALT_SHIFT) & COLOR_SPACE_COLOR_STATE_MASK]);
|
|
}
|
|
|
|
static inline gboolean
|
|
gsk_gpu_color_states_is_alt_premultiplied (GskGpuColorStates self)
|
|
{
|
|
return !!(self & COLOR_SPACE_ALT_PREMULTIPLIED);
|
|
}
|
|
|
|
/* Note: this function should only return a colorstate other than
|
|
* color->color_state *only* if the shaders can't handle the conversion
|
|
* from color->color_state to ccs.
|
|
*/
|
|
static inline GdkColorState *
|
|
gsk_gpu_color_states_find (GdkColorState *ccs,
|
|
const GdkColor *color)
|
|
{
|
|
if (GDK_IS_DEFAULT_COLOR_STATE (color->color_state))
|
|
return color->color_state;
|
|
else
|
|
return ccs;
|
|
}
|