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glcontext: Only swizzle when we can

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Don't use the recently added swizzle optimization if we're using a GL
version that is too old to support swizzling (GLES 2).
This commit is contained in:
Benjamin Otte 2023-12-11 05:12:58 +01:00
parent 393ee574b6
commit cf4b0a27f8
2 changed files with 30 additions and 17 deletions
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44
gsk/gl/gskglcommandqueue.c
View File

@ -499,6 +499,7 @@ gsk_gl_command_queue_new (GdkGLContext *context,
}
self->has_samplers = gdk_gl_context_check_version (context, "3.3", "3.0");
self->can_swizzle = gdk_gl_context_check_version (context, "3.0", "3.0");
/* create the samplers */
if (self->has_samplers)
@ -1473,14 +1474,13 @@ gsk_gl_command_queue_create_framebuffer (GskGLCommandQueue *self)
return fbo_id;
}
static GdkMemoryFormat
memory_format_gl_format (GdkMemoryFormat data_format,
GdkGLContext *context,
guint *gl_internalformat,
guint *gl_format,
guint *gl_type,
GLint gl_swizzle[4])
memory_format_gl_format (GskGLCommandQueue *self,
GdkMemoryFormat data_format,
guint *gl_internalformat,
guint *gl_format,
guint *gl_type,
GLint gl_swizzle[4])
{
GdkGLMemoryFlags flags;
GdkMemoryFormat alt_format;
@ -1492,7 +1492,7 @@ memory_format_gl_format (GdkMemoryFormat data_format,
data_format = gdk_memory_format_get_premultiplied (data_format);
/* First, try the format itself */
flags = gdk_gl_context_get_format_flags (context, data_format);
flags = gdk_gl_context_get_format_flags (self->context, data_format);
if ((flags & (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE)) == (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE))
{
gdk_memory_format_gl_format (data_format,
@ -1511,17 +1511,27 @@ memory_format_gl_format (GdkMemoryFormat data_format,
gl_type,
gl_swizzle))
{
flags = gdk_gl_context_get_format_flags (context, alt_format);
if (((flags & (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE)) == (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE)) &&
gdk_memory_format_alpha (alt_format) != GDK_MEMORY_ALPHA_STRAIGHT)
return data_format;
flags = gdk_gl_context_get_format_flags (self->context, alt_format);
if ((flags & (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE)) == (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE))
{
if (self->can_swizzle)
return data_format;
gdk_memory_format_gl_format (alt_format,
gl_internalformat,
gl_format,
gl_type,
gl_swizzle);
return alt_format;
}
}
/* Next, try the fallbacks */
fallbacks = gdk_memory_format_get_fallbacks (data_format);
for (i = 0; fallbacks[i] != -1; i++)
{
flags = gdk_gl_context_get_format_flags (context, fallbacks[i]);
flags = gdk_gl_context_get_format_flags (self->context, fallbacks[i]);
if (((flags & (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE)) == (GDK_GL_FORMAT_USABLE | GDK_GL_FORMAT_FILTERABLE)))
{
gdk_memory_format_gl_format (fallbacks[i],
@ -1561,8 +1571,8 @@ gsk_gl_command_queue_do_upload_texture_chunk (GskGLCommandQueue *self,
width = gdk_texture_get_width (texture);
height = gdk_texture_get_height (texture);
data_format = memory_format_gl_format (data_format,
self->context,
data_format = memory_format_gl_format (self,
data_format,
&gl_internalformat,
&gl_format,
&gl_type,
@ -1687,8 +1697,8 @@ gsk_gl_command_queue_upload_texture_chunks (GskGLCommandQueue *self,
/* Initialize the texture */
data_format = gdk_texture_get_format (chunks[0].texture);
data_format = memory_format_gl_format (data_format,
self->context,
data_format = memory_format_gl_format (self,
data_format,
&gl_internalformat,
&gl_format,
&gl_type,

3
gsk/gl/gskglcommandqueueprivate.h
View File

@ -286,6 +286,9 @@ struct _GskGLCommandQueue
/* If the GL context is new enough for sampler support */
guint has_samplers : 1;
/* If the GL context is new enough to support swizzling (ie is not GLES2) */
guint can_swizzle : 1;
/* If we're inside a begin/end_frame pair */
guint in_frame : 1;