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glsl: Add shared variable type

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Shared variables are stored in a common pool accessible by all threads
in a compute shader local work group.

These variables are similar to OpenCL's local/__local variables.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
This commit is contained in:
Jordan Justen
2015-07-28 14:56:49 -07:00
parent c0ac4740a7
commit 32746fc9b4
2 changed files with 2 additions and 1 deletions
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1
src/glsl/ir.h
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@@ -325,6 +325,7 @@ enum ir_variable_mode {
ir_var_auto = 0, /**< Function local variables and globals. */ ir_var_auto = 0, /**< Function local variables and globals. */
ir_var_uniform, /**< Variable declared as a uniform. */ ir_var_uniform, /**< Variable declared as a uniform. */
ir_var_shader_storage, /**< Variable declared as an ssbo. */ ir_var_shader_storage, /**< Variable declared as an ssbo. */
ir_var_shader_shared, /**< Variable declared as shared. */
ir_var_shader_in, ir_var_shader_in,
ir_var_shader_out, ir_var_shader_out,
ir_var_function_in, ir_var_function_in,

2
src/glsl/ir_print_visitor.cpp
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@@ -174,7 +174,7 @@ void ir_print_visitor::visit(ir_variable *ir)
const char *const patc = (ir->data.patch) ? "patch " : ""; const char *const patc = (ir->data.patch) ? "patch " : "";
const char *const inv = (ir->data.invariant) ? "invariant " : ""; const char *const inv = (ir->data.invariant) ? "invariant " : "";
const char *const mode[] = { "", "uniform ", "shader_storage ", const char *const mode[] = { "", "uniform ", "shader_storage ",
"shader_in ", "shader_out ", "shader_shared ", "shader_in ", "shader_out ",
"in ", "out ", "inout ", "in ", "out ", "inout ",
"const_in ", "sys ", "temporary " }; "const_in ", "sys ", "temporary " };
STATIC_ASSERT(ARRAY_SIZE(mode) == ir_var_mode_count); STATIC_ASSERT(ARRAY_SIZE(mode) == ir_var_mode_count);