#include "program/prog_statevars.h"
#include "program/prog_instruction.h"
+static struct gl_builtin_uniform_element gl_NumSamples_elements[] = {
+ {NULL, {STATE_NUM_SAMPLES, 0, 0}, SWIZZLE_XXXX}
+};
static struct gl_builtin_uniform_element gl_DepthRange_elements[] = {
{"near", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_XXXX},
#define STATEVAR(name) {#name, name ## _elements, Elements(name ## _elements)}
static const struct gl_builtin_uniform_desc _mesa_builtin_uniform_desc[] = {
+ STATEVAR(gl_NumSamples),
STATEVAR(gl_DepthRange),
STATEVAR(gl_ClipPlane),
STATEVAR(gl_Point),
this->fields[this->num_fields].location = slot;
this->fields[this->num_fields].interpolation = INTERP_QUALIFIER_NONE;
this->fields[this->num_fields].centroid = 0;
+ this->fields[this->num_fields].sample = 0;
this->num_fields++;
}
enum ir_variable_mode mode, int slot)
{
ir_variable *var = new(symtab) ir_variable(type, name, mode);
+ var->data.how_declared = ir_var_declared_implicitly;
- switch (var->mode) {
+ switch (var->data.mode) {
case ir_var_auto:
case ir_var_shader_in:
case ir_var_uniform:
case ir_var_system_value:
- var->read_only = true;
+ var->data.read_only = true;
break;
case ir_var_shader_out:
break;
break;
}
- var->location = slot;
- var->explicit_location = (slot >= 0);
- var->explicit_index = 0;
+ var->data.location = slot;
+ var->data.explicit_location = (slot >= 0);
+ var->data.explicit_index = 0;
/* Once the variable is created an initialized, add it to the symbol table
* and add the declaration to the IR stream.
ir_var_auto, -1);
var->constant_value = new(var) ir_constant(value);
var->constant_initializer = new(var) ir_constant(value);
- var->has_initializer = true;
+ var->data.has_initializer = true;
return var;
}
void
builtin_variable_generator::generate_uniforms()
{
+ add_uniform(int_t, "gl_NumSamples");
add_uniform(type("gl_DepthRangeParameters"), "gl_DepthRange");
add_uniform(array(vec4_t, VERT_ATTRIB_MAX), "gl_CurrentAttribVertMESA");
add_uniform(array(vec4_t, VARYING_SLOT_MAX), "gl_CurrentAttribFragMESA");
*/
ir_variable *var;
var = add_input(VARYING_SLOT_PRIMITIVE_ID, int_t, "gl_PrimitiveIDIn");
- var->interpolation = INTERP_QUALIFIER_FLAT;
+ var->data.interpolation = INTERP_QUALIFIER_FLAT;
var = add_output(VARYING_SLOT_PRIMITIVE_ID, int_t, "gl_PrimitiveID");
- var->interpolation = INTERP_QUALIFIER_FLAT;
+ var->data.interpolation = INTERP_QUALIFIER_FLAT;
}
if (state->is_version(150, 0)) {
ir_variable *var =
add_input(VARYING_SLOT_PRIMITIVE_ID, int_t, "gl_PrimitiveID");
- var->interpolation = INTERP_QUALIFIER_FLAT;
+ var->data.interpolation = INTERP_QUALIFIER_FLAT;
}
/* gl_FragColor and gl_FragData were deprecated starting in desktop GLSL
if (state->AMD_shader_stencil_export_warn)
var->warn_extension = "GL_AMD_shader_stencil_export";
}
+
+ if (state->ARB_sample_shading_enable) {
+ add_system_value(SYSTEM_VALUE_SAMPLE_ID, int_t, "gl_SampleID");
+ add_system_value(SYSTEM_VALUE_SAMPLE_POS, vec2_t, "gl_SamplePosition");
+ /* From the ARB_sample_shading specification:
+ * "The number of elements in the array is ceil(<s>/32), where
+ * <s> is the maximum number of color samples supported by the
+ * implementation."
+ * Since no drivers expose more than 32x MSAA, we can simply set
+ * the array size to 1 rather than computing it.
+ */
+ add_output(FRAG_RESULT_SAMPLE_MASK, array(int_t, 1), "gl_SampleMask");
+ }
+
+ if (state->ARB_gpu_shader5_enable) {
+ add_system_value(SYSTEM_VALUE_SAMPLE_MASK_IN, array(int_t, 1), "gl_SampleMaskIn");
+ }
}
const char *name_as_gs_input)
{
switch (state->target) {
- case geometry_shader:
+ case MESA_SHADER_GEOMETRY:
this->per_vertex_in.add_field(slot, type, name);
/* FALLTHROUGH */
- case vertex_shader:
+ case MESA_SHADER_VERTEX:
this->per_vertex_out.add_field(slot, type, name);
break;
- case fragment_shader:
+ case MESA_SHADER_FRAGMENT:
add_input(slot, type, name);
break;
}
add_varying(loc, type, name, name "In")
/* gl_Position and gl_PointSize are not visible from fragment shaders. */
- if (state->target != fragment_shader) {
+ if (state->target != MESA_SHADER_FRAGMENT) {
ADD_VARYING(VARYING_SLOT_POS, vec4_t, "gl_Position");
ADD_VARYING(VARYING_SLOT_PSIZ, float_t, "gl_PointSize");
}
if (compatibility) {
ADD_VARYING(VARYING_SLOT_TEX0, array(vec4_t, 0), "gl_TexCoord");
ADD_VARYING(VARYING_SLOT_FOGC, float_t, "gl_FogFragCoord");
- if (state->target == fragment_shader) {
+ if (state->target == MESA_SHADER_FRAGMENT) {
ADD_VARYING(VARYING_SLOT_COL0, vec4_t, "gl_Color");
ADD_VARYING(VARYING_SLOT_COL1, vec4_t, "gl_SecondaryColor");
} else {
}
}
- if (state->target == geometry_shader) {
+ if (state->target == MESA_SHADER_GEOMETRY) {
const glsl_type *per_vertex_in_type =
this->per_vertex_in.construct_interface_instance();
add_variable("gl_in", array(per_vertex_in_type, 0),
ir_var_shader_in, -1);
}
- if (state->target == vertex_shader || state->target == geometry_shader) {
+ if (state->target == MESA_SHADER_VERTEX || state->target == MESA_SHADER_GEOMETRY) {
const glsl_type *per_vertex_out_type =
this->per_vertex_out.construct_interface_instance();
const glsl_struct_field *fields = per_vertex_out_type->fields.structure;
ir_variable *var =
add_variable(fields[i].name, fields[i].type, ir_var_shader_out,
fields[i].location);
- var->interpolation = fields[i].interpolation;
- var->centroid = fields[i].centroid;
+ var->data.interpolation = fields[i].interpolation;
+ var->data.centroid = fields[i].centroid;
+ var->data.sample = fields[i].sample;
var->init_interface_type(per_vertex_out_type);
}
}
gen.generate_varyings();
switch (state->target) {
- case vertex_shader:
+ case MESA_SHADER_VERTEX:
gen.generate_vs_special_vars();
break;
- case geometry_shader:
+ case MESA_SHADER_GEOMETRY:
gen.generate_gs_special_vars();
break;
- case fragment_shader:
+ case MESA_SHADER_FRAGMENT:
gen.generate_fs_special_vars();
break;
}