[Mesa-dev] [PATCH 4/7] glsl: set image access qualifiers for AoA
Francisco Jerez
currojerez at riseup.net
Wed Oct 21 04:10:27 PDT 2015
Timothy Arceri <t_arceri at yahoo.com.au> writes:
> On Wed, 2015-10-21 at 13:06 +0300, Francisco Jerez wrote:
>> Timothy Arceri <t_arceri at yahoo.com.au> writes:
>>
>> > On Fri, 2015-10-16 at 10:28 +1100, Timothy Arceri wrote:
>> > > Cc: Francisco Jerez <currojerez at riseup.net>
>> >
>> > Hi Curro,
>> >
>> > Just pinging you on this patch and patch 5. These are the final two
>> > patches remaining unreviewed before I can enable arrays of arrays.
>> >
>> > If your not able to review these can you let me know so I can chase
>> > this upvwith someone else as I'd like to enable this as soon as
>> > possible to limit breakage.
>> >
>>
>> Depends when you want them reviewed, doesn't seem like the kind of
>> thing
>> I could convince myself is correct during a break. I'm unlikely to
>> have
>> time to review it this week. I might next week but I cannot give you
>> any guarantees. If that's not acceptable for you feel free to look
>> for
>> someone else to review them.
>
> Not a problem. I thought you must have been back from your break as
> I've seen alot of email from you. No need to look at this while your
> meant to be on break, if no one has looked at it before you get back
> then it would be great if you could take a look :)
>
Hah, I'm not on that kind of break ;), I just meant is not the kind of
thing I can get reviewed during a 30-min pause, but I'll see what I can
do.
> Thanks,
> Tim
>
>>
>> > Thanks,
>> > Tim
>> >
>> >
>> > > ---
>> > > src/glsl/link_uniforms.cpp | 77 +++++++++++++++++++++++++++++---
>> > > ----
>> > > ----------
>> > > 1 file changed, 49 insertions(+), 28 deletions(-)
>> > >
>> > > diff --git a/src/glsl/link_uniforms.cpp
>> > > b/src/glsl/link_uniforms.cpp
>> > > index 647aa2b..2a1da07 100644
>> > > --- a/src/glsl/link_uniforms.cpp
>> > > +++ b/src/glsl/link_uniforms.cpp
>> > > @@ -1008,38 +1008,37 @@
>> > > link_update_uniform_buffer_variables(struct
>> > > gl_shader *shader)
>> > > }
>> > > }
>> > >
>> > > -/**
>> > > - * Scan the program for image uniforms and store image unit
>> > > access
>> > > - * information into the gl_shader data structure.
>> > > - */
>> > > static void
>> > > -link_set_image_access_qualifiers(struct gl_shader_program *prog)
>> > > +link_set_image_access_qualifiers(struct gl_shader_program *prog,
>> > > + gl_shader *sh, unsigned
>> > > shader_stage,
>> > > + ir_variable *var, const
>> > > glsl_type
>> > > *type,
>> > > + char **name, size_t
>> > > name_length)
>> > > {
>> > > - for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
>> > > - gl_shader *sh = prog->_LinkedShaders[i];
>> > > -
>> > > - if (sh == NULL)
>> > > - continue;
>> > > + /* Handle arrays of arrays */
>> > > + if (type->is_array() && type->fields.array->is_array()) {
>> > > + for (unsigned i = 0; i < type->length; i++) {
>> > > + size_t new_length = name_length;
>> > >
>> > > - foreach_in_list(ir_instruction, node, sh->ir) {
>> > > - ir_variable *var = node->as_variable();
>> > > + /* Append the subscript to the current variable name */
>> > > + ralloc_asprintf_rewrite_tail(name, &new_length, "[%u]",
>> > > i);
>> > >
>> > > - if (var && var->data.mode == ir_var_uniform &&
>> > > - var->type->contains_image()) {
>> > > - unsigned id = 0;
>> > > - bool found = prog->UniformHash->get(id, var->name);
>> > > - assert(found);
>> > > - (void) found;
>> > > - const gl_uniform_storage *storage = &prog
>> > > ->UniformStorage[id];
>> > > - const unsigned index = storage->opaque[i].index;
>> > > - const GLenum access = (var->data.image_read_only ?
>> > > GL_READ_ONLY :
>> > > - var->data.image_write_only ?
>> > > GL_WRITE_ONLY :
>> > > - GL_READ_WRITE);
>> > > -
>> > > - for (unsigned j = 0; j < MAX2(1, storage
>> > > ->array_elements); ++j)
>> > > - sh->ImageAccess[index + j] = access;
>> > > - }
>> > > + link_set_image_access_qualifiers(prog, sh,
>> > > shader_stage,
>> > > var,
>> > > + type->fields.array,
>> > > name,
>> > > + new_length);
>> > > }
>> > > + } else {
>> > > + unsigned id = 0;
>> > > + bool found = prog->UniformHash->get(id, *name);
>> > > + assert(found);
>> > > + (void) found;
>> > > + const gl_uniform_storage *storage = &prog
>> > > ->UniformStorage[id];
>> > > + const unsigned index = storage
>> > > ->opaque[shader_stage].index;
>> > > + const GLenum access = (var->data.image_read_only ?
>> > > GL_READ_ONLY :
>> > > + var->data.image_write_only ?
>> > > GL_WRITE_ONLY :
>> > > + GL_READ_WRITE);
>> > > +
>> > > + for (unsigned j = 0; j < MAX2(1, storage->array_elements);
>> > > ++j)
>> > > + sh->ImageAccess[index + j] = access;
>> > > }
>> > > }
>> > >
>> > > @@ -1300,7 +1299,29 @@ link_assign_uniform_locations(struct
>> > > gl_shader_program *prog,
>> > > prog->NumHiddenUniforms = hidden_uniforms;
>> > > prog->UniformStorage = uniforms;
>> > >
>> > > - link_set_image_access_qualifiers(prog);
>> > > + /**
>> > > + * Scan the program for image uniforms and store image unit
>> > > access
>> > > + * information into the gl_shader data structure.
>> > > + */
>> > > + for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
>> > > + gl_shader *sh = prog->_LinkedShaders[i];
>> > > +
>> > > + if (sh == NULL)
>> > > + continue;
>> > > +
>> > > + foreach_in_list(ir_instruction, node, sh->ir) {
>> > > + ir_variable *var = node->as_variable();
>> > > +
>> > > + if (var && var->data.mode == ir_var_uniform &&
>> > > + var->type->contains_image()) {
>> > > + char *name_copy = ralloc_strdup(NULL, var->name);
>> > > + link_set_image_access_qualifiers(prog, sh, i, var,
>> > > var
>> > > ->type,
>> > > + &name_copy,
>> > > strlen(var
>> > > ->name));
>> > > + ralloc_free(name_copy);
>> > > + }
>> > > + }
>> > > + }
>> > > +
>> > > link_set_uniform_initializers(prog, boolean_true);
>> > >
>> > > return;
>> _______________________________________________
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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