diff options
Diffstat (limited to 'mesalib/src/glsl')
| -rw-r--r-- | mesalib/src/glsl/glsl_parser_extras.cpp | 9 | ||||
| -rw-r--r-- | mesalib/src/glsl/glsl_parser_extras.h | 2 | ||||
| -rw-r--r-- | mesalib/src/glsl/ir.h | 1 | ||||
| -rw-r--r-- | mesalib/src/glsl/ir_set_program_inouts.cpp | 6 | ||||
| -rw-r--r-- | mesalib/src/glsl/ir_variable.cpp | 32 | ||||
| -rw-r--r-- | mesalib/src/glsl/main.cpp | 1 |
6 files changed, 50 insertions, 1 deletions
diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp index b320e6798..373c9008b 100644 --- a/mesalib/src/glsl/glsl_parser_extras.cpp +++ b/mesalib/src/glsl/glsl_parser_extras.cpp @@ -180,6 +180,15 @@ _mesa_glsl_process_extension(const char *name, YYLTYPE *name_locp, state->ARB_draw_buffers_enable = (ext_mode != extension_disable);
state->ARB_draw_buffers_warn = (ext_mode == extension_warn);
}
+ } else if (strcmp(name, "GL_ARB_draw_instanced") == 0) {
+ /* This extension is only supported in vertex shaders.
+ */
+ if (state->target != vertex_shader) {
+ unsupported = true;
+ } else {
+ state->ARB_draw_instanced_enable = (ext_mode != extension_disable);
+ state->ARB_draw_instanced_warn = (ext_mode == extension_warn);
+ }
} else if (strcmp(name, "GL_ARB_explicit_attrib_location") == 0) {
state->ARB_explicit_attrib_location_enable =
(ext_mode != extension_disable);
diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h index 2113f22ac..9c16d5de8 100644 --- a/mesalib/src/glsl/glsl_parser_extras.h +++ b/mesalib/src/glsl/glsl_parser_extras.h @@ -132,6 +132,8 @@ struct _mesa_glsl_parse_state { /*@{*/
unsigned ARB_draw_buffers_enable:1;
unsigned ARB_draw_buffers_warn:1;
+ unsigned ARB_draw_instanced_enable:1;
+ unsigned ARB_draw_instanced_warn:1;
unsigned ARB_explicit_attrib_location_enable:1;
unsigned ARB_explicit_attrib_location_warn:1;
unsigned ARB_fragment_coord_conventions_enable:1;
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h index f3a565f2e..643fbf7c5 100644 --- a/mesalib/src/glsl/ir.h +++ b/mesalib/src/glsl/ir.h @@ -225,6 +225,7 @@ enum ir_variable_mode { ir_var_in,
ir_var_out,
ir_var_inout,
+ ir_var_system_value, /**< Ex: front-face, instance-id, etc. */
ir_var_temporary /**< Temporary variable generated during compilation. */
};
diff --git a/mesalib/src/glsl/ir_set_program_inouts.cpp b/mesalib/src/glsl/ir_set_program_inouts.cpp index fc789913f..c5533c8cd 100644 --- a/mesalib/src/glsl/ir_set_program_inouts.cpp +++ b/mesalib/src/glsl/ir_set_program_inouts.cpp @@ -79,6 +79,8 @@ mark(struct gl_program *prog, ir_variable *var, int offset, int len) for (int i = 0; i < len; i++) {
if (var->mode == ir_var_in)
prog->InputsRead |= BITFIELD64_BIT(var->location + offset + i);
+ else if (var->mode == ir_var_system_value)
+ prog->SystemValuesRead |= (1 << (var->location + offset + i));
else
prog->OutputsWritten |= BITFIELD64_BIT(var->location + offset + i);
}
@@ -134,7 +136,8 @@ ir_visitor_status ir_set_program_inouts_visitor::visit(ir_variable *ir)
{
if (ir->mode == ir_var_in ||
- ir->mode == ir_var_out) {
+ ir->mode == ir_var_out ||
+ ir->mode == ir_var_system_value) {
hash_table_insert(this->ht, ir, ir);
}
@@ -158,5 +161,6 @@ do_set_program_inouts(exec_list *instructions, struct gl_program *prog) prog->InputsRead = 0;
prog->OutputsWritten = 0;
+ prog->SystemValuesRead = 0;
visit_list_elements(&v, instructions);
}
diff --git a/mesalib/src/glsl/ir_variable.cpp b/mesalib/src/glsl/ir_variable.cpp index f99632b48..1cf450e20 100644 --- a/mesalib/src/glsl/ir_variable.cpp +++ b/mesalib/src/glsl/ir_variable.cpp @@ -30,6 +30,11 @@ static void generate_ARB_draw_buffers_variables(exec_list *, struct _mesa_glsl_parse_state *,
bool, _mesa_glsl_parser_targets);
+static void
+generate_ARB_draw_instanced_variables(exec_list *,
+ struct _mesa_glsl_parse_state *,
+ bool, _mesa_glsl_parser_targets);
+
static ir_variable *
add_variable(const char *name, enum ir_variable_mode mode, int slot,
const glsl_type *type, exec_list *instructions,
@@ -41,6 +46,7 @@ add_variable(const char *name, enum ir_variable_mode mode, int slot, case ir_var_auto:
case ir_var_in:
case ir_var_uniform:
+ case ir_var_system_value:
var->read_only = true;
break;
case ir_var_inout:
@@ -324,8 +330,13 @@ initialize_vs_variables(exec_list *instructions, generate_130_vs_variables(instructions, state);
break;
}
+
+ if (state->ARB_draw_instanced_enable)
+ generate_ARB_draw_instanced_variables(instructions, state, false,
+ vertex_shader);
}
+
/* This function should only be called for ES, not desktop GL. */
static void
generate_100ES_fs_variables(exec_list *instructions,
@@ -422,6 +433,27 @@ generate_ARB_draw_buffers_variables(exec_list *instructions, }
}
+
+static void
+generate_ARB_draw_instanced_variables(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state,
+ bool warn,
+ _mesa_glsl_parser_targets target)
+{
+ /* gl_InstanceIDARB is only available in the vertex shader.
+ */
+ if (target == vertex_shader) {
+ ir_variable *const inst =
+ add_variable("gl_InstanceIDARB", ir_var_system_value,
+ SYSTEM_VALUE_INSTANCE_ID,
+ glsl_type::int_type, instructions, state->symbols);
+
+ if (warn)
+ inst->warn_extension = "GL_ARB_draw_instanced";
+ }
+}
+
+
static void
generate_ARB_shader_stencil_export_variables(exec_list *instructions,
struct _mesa_glsl_parse_state *state,
diff --git a/mesalib/src/glsl/main.cpp b/mesalib/src/glsl/main.cpp index 0f5581b12..c445fb2b5 100644 --- a/mesalib/src/glsl/main.cpp +++ b/mesalib/src/glsl/main.cpp @@ -73,6 +73,7 @@ initialize_context(struct gl_context *ctx, gl_api api) ctx->API = api;
ctx->Extensions.ARB_draw_buffers = GL_TRUE;
+ ctx->Extensions.ARB_draw_instanced = GL_TRUE;
ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
ctx->Extensions.EXT_texture_array = GL_TRUE;
ctx->Extensions.NV_texture_rectangle = GL_TRUE;
|