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mesa: Add a default QueryInternalFormat() function for drivers

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This is a fallback function for drivers not implementing
ARB_internalformat_query2.

Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Eduardo Lima Mitev 2015-10-27 15:58:59 +01:00
parent 93d30c3de9
commit 45054f9702
3 changed files with 22 additions and 0 deletions
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1
src/mesa/drivers/common/driverfuncs.c
View file

@ -91,6 +91,7 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
/* Texture functions */
driver->ChooseTextureFormat = _mesa_choose_tex_format;
driver->QuerySamplesForFormat = _mesa_query_samples_for_format;
driver->QueryInternalFormat = _mesa_query_internal_format_default;
driver->TexImage = _mesa_store_teximage;
driver->TexSubImage = _mesa_store_texsubimage;
driver->GetTexSubImage = _mesa_meta_GetTexSubImage;

16
src/mesa/main/formatquery.c
View file

@ -43,6 +43,22 @@ _mesa_query_samples_for_format(struct gl_context *ctx, GLenum target,
return 1;
}
/* default implementation of QueryInternalFormat driverfunc, for
* drivers not implementing ARB_internalformat_query2.
*/
void
_mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
GLenum internalFormat, GLenum pname,
GLint *params)
{
(void) ctx;
(void) target;
(void) internalFormat;
(void) pname;
(void) params;
/* @TODO */
}
void GLAPIENTRY
_mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,

5
src/mesa/main/formatquery.h
View file

@ -32,6 +32,11 @@ size_t
_mesa_query_samples_for_format(struct gl_context *ctx, GLenum target,
GLenum internalFormat, int samples[16]);
void
_mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
GLenum internalFormat, GLenum pname,
GLint *params);
extern void GLAPIENTRY
_mesa_GetInternalformativ(GLenum target, GLenum internalformat,
GLenum pname, GLsizei bufSize, GLint *params);