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cogl: Add API to check whether a format is supported by the driver

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Will let us advertise what we actually support at runtime.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/804
This commit is contained in:
Jonas Ådahl 2019-09-19 21:41:55 +02:00 committed by Robert Mader
parent 6777a547ca
commit d6b5f89a1c
5 changed files with 146 additions and 0 deletions
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8
cogl/cogl/cogl-context.c
View File

@ -30,6 +30,7 @@
#include "cogl-config.h"
#include "cogl-mutter.h"
#include "cogl-object.h"
#include "cogl-private.h"
#include "cogl-profile.h"
@ -464,3 +465,10 @@ cogl_context_is_hardware_accelerated (CoglContext *context)
{
return context->driver_vtable->is_hardware_accelerated (context);
}
gboolean
cogl_context_format_supports_upload (CoglContext *ctx,
CoglPixelFormat format)
{
return ctx->texture_driver->format_supports_upload (ctx, format);
}

4
cogl/cogl/cogl-mutter.h
View File

@ -48,4 +48,8 @@ void cogl_renderer_set_custom_winsys (CoglRenderer *renderer,
CoglCustomWinsysVtableGetter winsys_vtable_getter,
void *user_data);
COGL_EXPORT
gboolean cogl_context_format_supports_upload (CoglContext *ctx,
CoglPixelFormat format);
#endif /* __COGL_MUTTER_H___ */

5
cogl/cogl/cogl-texture-driver.h
View File

@ -128,6 +128,11 @@ struct _CoglTextureDriver
int width,
int height);
gboolean
(* format_supports_upload) (CoglContext *ctx,
CoglPixelFormat format);
/*
* The driver may impose constraints on what formats can be used to store
* texture data read from textures. For example GLES currently only supports

59
cogl/cogl/driver/gl/gl/cogl-texture-driver-gl.c
View File

@ -396,6 +396,64 @@ _cogl_texture_driver_size_supported (CoglContext *ctx,
return new_width != 0;
}
static gboolean
_cogl_texture_driver_upload_supported (CoglContext *ctx,
CoglPixelFormat format)
{
switch (format)
{
case COGL_PIXEL_FORMAT_A_8:
case COGL_PIXEL_FORMAT_G_8:
case COGL_PIXEL_FORMAT_RG_88:
case COGL_PIXEL_FORMAT_BGRA_8888:
case COGL_PIXEL_FORMAT_BGRA_8888_PRE:
case COGL_PIXEL_FORMAT_RGB_888:
case COGL_PIXEL_FORMAT_BGR_888:
case COGL_PIXEL_FORMAT_RGBA_1010102:
case COGL_PIXEL_FORMAT_RGBA_1010102_PRE:
case COGL_PIXEL_FORMAT_BGRA_1010102:
case COGL_PIXEL_FORMAT_BGRA_1010102_PRE:
case COGL_PIXEL_FORMAT_ABGR_2101010:
case COGL_PIXEL_FORMAT_ABGR_2101010_PRE:
case COGL_PIXEL_FORMAT_ARGB_2101010:
case COGL_PIXEL_FORMAT_ARGB_2101010_PRE:
case COGL_PIXEL_FORMAT_RGBA_8888:
case COGL_PIXEL_FORMAT_RGBA_8888_PRE:
case COGL_PIXEL_FORMAT_ARGB_8888:
case COGL_PIXEL_FORMAT_ARGB_8888_PRE:
case COGL_PIXEL_FORMAT_ABGR_8888:
case COGL_PIXEL_FORMAT_ABGR_8888_PRE:
case COGL_PIXEL_FORMAT_RGB_565:
case COGL_PIXEL_FORMAT_RGBA_4444:
case COGL_PIXEL_FORMAT_RGBA_4444_PRE:
case COGL_PIXEL_FORMAT_RGBA_5551:
case COGL_PIXEL_FORMAT_RGBA_5551_PRE:
return TRUE;
case COGL_PIXEL_FORMAT_BGRA_FP_16161616:
case COGL_PIXEL_FORMAT_ARGB_FP_16161616:
case COGL_PIXEL_FORMAT_ABGR_FP_16161616:
case COGL_PIXEL_FORMAT_BGRA_FP_16161616_PRE:
case COGL_PIXEL_FORMAT_ARGB_FP_16161616_PRE:
case COGL_PIXEL_FORMAT_ABGR_FP_16161616_PRE:
case COGL_PIXEL_FORMAT_RGBA_FP_16161616:
case COGL_PIXEL_FORMAT_RGBA_FP_16161616_PRE:
if (_cogl_has_private_feature
(ctx, COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_HALF_FLOAT))
return TRUE;
else
return FALSE;
case COGL_PIXEL_FORMAT_DEPTH_16:
case COGL_PIXEL_FORMAT_DEPTH_32:
case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8:
case COGL_PIXEL_FORMAT_ANY:
case COGL_PIXEL_FORMAT_YUV:
return TRUE;
}
g_assert_not_reached ();
return FALSE;
}
static CoglPixelFormat
_cogl_texture_driver_find_best_gl_get_data_format
(CoglContext *context,
@ -419,5 +477,6 @@ _cogl_texture_driver_gl =
_cogl_texture_driver_prep_gl_for_pixels_download,
_cogl_texture_driver_gl_get_tex_image,
_cogl_texture_driver_size_supported,
_cogl_texture_driver_upload_supported,
_cogl_texture_driver_find_best_gl_get_data_format
};

70
cogl/cogl/driver/gl/gles/cogl-texture-driver-gles.c
View File

@ -439,6 +439,75 @@ _cogl_texture_driver_size_supported (CoglContext *ctx,
return width <= max_size && height <= max_size;
}
static gboolean
_cogl_texture_driver_upload_supported (CoglContext *ctx,
CoglPixelFormat format)
{
switch (format)
{
case COGL_PIXEL_FORMAT_A_8:
case COGL_PIXEL_FORMAT_G_8:
case COGL_PIXEL_FORMAT_RG_88:
case COGL_PIXEL_FORMAT_BGRA_8888:
case COGL_PIXEL_FORMAT_BGRA_8888_PRE:
case COGL_PIXEL_FORMAT_RGB_888:
case COGL_PIXEL_FORMAT_BGR_888:
return TRUE;
case COGL_PIXEL_FORMAT_RGBA_1010102:
case COGL_PIXEL_FORMAT_RGBA_1010102_PRE:
case COGL_PIXEL_FORMAT_BGRA_1010102:
case COGL_PIXEL_FORMAT_BGRA_1010102_PRE:
case COGL_PIXEL_FORMAT_ABGR_2101010:
case COGL_PIXEL_FORMAT_ABGR_2101010_PRE:
case COGL_PIXEL_FORMAT_ARGB_2101010:
case COGL_PIXEL_FORMAT_ARGB_2101010_PRE:
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
if (_cogl_has_private_feature
(ctx, COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_RGBA1010102))
return TRUE;
else
return FALSE;
#else
return FALSE;
#endif
case COGL_PIXEL_FORMAT_RGBA_8888:
case COGL_PIXEL_FORMAT_RGBA_8888_PRE:
case COGL_PIXEL_FORMAT_ARGB_8888:
case COGL_PIXEL_FORMAT_ARGB_8888_PRE:
case COGL_PIXEL_FORMAT_ABGR_8888:
case COGL_PIXEL_FORMAT_ABGR_8888_PRE:
case COGL_PIXEL_FORMAT_RGB_565:
case COGL_PIXEL_FORMAT_RGBA_4444:
case COGL_PIXEL_FORMAT_RGBA_4444_PRE:
case COGL_PIXEL_FORMAT_RGBA_5551:
case COGL_PIXEL_FORMAT_RGBA_5551_PRE:
return TRUE;
case COGL_PIXEL_FORMAT_BGRA_FP_16161616:
case COGL_PIXEL_FORMAT_ARGB_FP_16161616:
case COGL_PIXEL_FORMAT_ABGR_FP_16161616:
case COGL_PIXEL_FORMAT_BGRA_FP_16161616_PRE:
case COGL_PIXEL_FORMAT_ARGB_FP_16161616_PRE:
case COGL_PIXEL_FORMAT_ABGR_FP_16161616_PRE:
return FALSE;
case COGL_PIXEL_FORMAT_RGBA_FP_16161616:
case COGL_PIXEL_FORMAT_RGBA_FP_16161616_PRE:
if (_cogl_has_private_feature
(ctx, COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_HALF_FLOAT))
return TRUE;
else
return FALSE;
case COGL_PIXEL_FORMAT_DEPTH_16:
case COGL_PIXEL_FORMAT_DEPTH_32:
case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8:
case COGL_PIXEL_FORMAT_ANY:
case COGL_PIXEL_FORMAT_YUV:
return TRUE;
}
g_assert_not_reached ();
return FALSE;
}
static CoglPixelFormat
_cogl_texture_driver_find_best_gl_get_data_format
(CoglContext *context,
@ -463,5 +532,6 @@ _cogl_texture_driver_gles =
_cogl_texture_driver_prep_gl_for_pixels_download,
_cogl_texture_driver_gl_get_tex_image,
_cogl_texture_driver_size_supported,
_cogl_texture_driver_upload_supported,
_cogl_texture_driver_find_best_gl_get_data_format
};