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mesa: reduce the size of gl_image_unit (v2) 

gl_context::ImageUnits: 6144 -> 4608 bytes

v2: use ASSERT_BITFIELD_SIZE

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák 2017-11-16 00:44:43 +01:00
parent ca5c5d96d8
commit 78f1decc95
2 changed files with 8 additions and 7 deletions
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13
src/mesa/main/mtypes.h
View File

@ -4685,7 +4685,7 @@ struct gl_image_unit
/**
* Level of the texture object bound to this unit.
*/
GLuint Level;
GLubyte Level;
/**
* \c GL_TRUE if the whole level is bound as an array of layers, \c
@ -4698,13 +4698,13 @@ struct gl_image_unit
* Layer of the texture object bound to this unit as specified by the
* application.
*/
GLuint Layer;
GLushort Layer;
/**
* Layer of the texture object bound to this unit, or zero if the
* whole level is bound.
* Layer of the texture object bound to this unit, or zero if
* Layered == false.
*/
GLuint _Layer;
GLushort _Layer;
/**
* Access allowed to this texture image. Either \c GL_READ_ONLY,
@ -4722,8 +4722,7 @@ struct gl_image_unit
/**
* Mesa format corresponding to \c Format.
*/
mesa_format _ActualFormat;
mesa_format _ActualFormat:16;
};
/**

2
src/mesa/main/shaderimage.c
View File

@ -464,6 +464,8 @@ _mesa_init_image_units(struct gl_context *ctx)
{
unsigned i;
ASSERT_BITFIELD_SIZE(struct gl_image_unit, Format, MESA_FORMAT_COUNT);
for (i = 0; i < ARRAY_SIZE(ctx->ImageUnits); ++i)
ctx->ImageUnits[i] = _mesa_default_image_unit(ctx);
}