diff options
author | Bryan Cain <[email protected]> | 2011-06-13 18:12:56 -0500 |
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committer | Bryan Cain <[email protected]> | 2011-08-01 17:59:08 -0500 |
commit | b191382c60bdcfeb7f424b23aa6ab63de81e2f08 (patch) | |
tree | ef8b950f369fd041ae45c934d9d8c14b892e3392 /src/mesa/program/prog_parameter.c | |
parent | f95169deb40f8245f4b3b07b17b222746da29bdd (diff) |
mesa, glsl_to_tgsi: add native support for integers in shaders
Disabled by default on all drivers. To enable it, change ctx->GLSLVersion to 130
in st_extensions.c. Currently, softpipe is the only driver with integer support.
Diffstat (limited to 'src/mesa/program/prog_parameter.c')
-rw-r--r-- | src/mesa/program/prog_parameter.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/src/mesa/program/prog_parameter.c b/src/mesa/program/prog_parameter.c index b1cdf8bf2c0..49b3ffbdd5c 100644 --- a/src/mesa/program/prog_parameter.c +++ b/src/mesa/program/prog_parameter.c @@ -241,9 +241,9 @@ _mesa_add_named_constant(struct gl_program_parameter_list *paramList, * \return index/position of the new parameter in the parameter list. */ GLint -_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, +_mesa_add_typed_unnamed_constant(struct gl_program_parameter_list *paramList, const gl_constant_value values[4], GLuint size, - GLuint *swizzleOut) + GLenum datatype, GLuint *swizzleOut) { GLint pos; ASSERT(size >= 1); @@ -276,7 +276,7 @@ _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, /* add a new parameter to store this constant */ pos = _mesa_add_parameter(paramList, PROGRAM_CONSTANT, NULL, - size, GL_NONE, values, NULL, 0x0); + size, datatype, values, NULL, 0x0); if (pos >= 0 && swizzleOut) { if (size == 1) *swizzleOut = SWIZZLE_XXXX; @@ -287,6 +287,28 @@ _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, } /** + * Add a new unnamed constant to the parameter list. This will be used + * when a fragment/vertex program contains something like this: + * MOV r, { 0, 1, 2, 3 }; + * If swizzleOut is non-null we'll search the parameter list for an + * existing instance of the constant which matches with a swizzle. + * + * \param paramList the parameter list + * \param values four float values + * \param swizzleOut returns swizzle mask for accessing the constant + * \return index/position of the new parameter in the parameter list. + * \sa _mesa_add_typed_unnamed_constant + */ +GLint +_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, + const gl_constant_value values[4], GLuint size, + GLuint *swizzleOut) +{ + return _mesa_add_typed_unnamed_constant(paramList, values, size, GL_NONE, + swizzleOut); +} + +/** * Add parameter representing a varying variable. */ GLint |