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gpu: Introduce gsk_gpu_color_states_create_equal()

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This is a function that's meant to be used whenever both color states
of the shader are equal. In that case no colorspace conversion code
needs to be created and shaders can be shared.
This commit is contained in:
Benjamin Otte 2024-07-06 01:30:09 +02:00
parent a14efce914
commit 77ed264714
3 changed files with 24 additions and 9 deletions
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13
gsk/gpu/gskgpucolorstatesprivate.h
View File

@ -10,6 +10,16 @@
#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,
@ -19,6 +29,9 @@ gsk_gpu_color_states_create (GdkColorState *output_color_state,
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) |

5
gsk/gpu/gskgpunodeprocessor.c
View File

@ -261,10 +261,7 @@ gsk_gpu_node_processor_color_states_explicit (GskGpuNodeProcessor *self,
static inline GskGpuColorStates
gsk_gpu_node_processor_color_states_self (GskGpuNodeProcessor *self)
{
return gsk_gpu_color_states_create (self->ccs,
TRUE,
self->ccs,
TRUE);
return gsk_gpu_color_states_create_equal (TRUE, TRUE);
}
static inline GskGpuColorStates

15
gsk/gpu/gskgpuprint.c
View File

@ -38,11 +38,16 @@ void
gsk_gpu_print_color_states (GString *string,
GskGpuColorStates color_states)
{
g_string_append_printf (string, "%s%s -> %s%s ",
gdk_color_state_get_name (gsk_gpu_color_states_get_alt (color_states)),
gsk_gpu_color_states_is_alt_premultiplied (color_states) ? "(p)" : "",
gdk_color_state_get_name (gsk_gpu_color_states_get_output (color_states)),
gsk_gpu_color_states_is_output_premultiplied (color_states) ? "(p)" : "");
if (gsk_gpu_color_states_get_alt (color_states) == gsk_gpu_color_states_get_output (color_states))
g_string_append_printf (string, "any %s -> %s ",
gsk_gpu_color_states_is_alt_premultiplied (color_states) ? "(p)" : "",
gsk_gpu_color_states_is_output_premultiplied (color_states) ? "(p)" : "");
else
g_string_append_printf (string, "%s%s -> %s%s ",
gdk_color_state_get_name (gsk_gpu_color_states_get_alt (color_states)),
gsk_gpu_color_states_is_alt_premultiplied (color_states) ? "(p)" : "",
gdk_color_state_get_name (gsk_gpu_color_states_get_output (color_states)),
gsk_gpu_color_states_is_output_premultiplied (color_states) ? "(p)" : "");
}
void