#include "program/prog_instruction.h"
#include <limits>
+#define M_PIf ((float) M_PI)
+#define M_PI_2f ((float) M_PI_2)
+#define M_PI_4f ((float) M_PI_4)
+
using namespace ir_builder;
/**
* @{
*/
static bool
-always_available(const _mesa_glsl_parse_state *state)
+always_available(const _mesa_glsl_parse_state *)
{
return true;
}
static bool
compatibility_vs_only(const _mesa_glsl_parse_state *state)
{
- return state->target == vertex_shader &&
+ return state->stage == MESA_SHADER_VERTEX &&
state->language_version <= 130 &&
!state->es_shader;
}
static bool
fs_only(const _mesa_glsl_parse_state *state)
{
- return state->target == fragment_shader;
+ return state->stage == MESA_SHADER_FRAGMENT;
}
static bool
gs_only(const _mesa_glsl_parse_state *state)
{
- return state->target == geometry_shader;
+ return state->stage == MESA_SHADER_GEOMETRY;
}
static bool
static bool
v110_fs_only(const _mesa_glsl_parse_state *state)
{
- return !state->es_shader && state->target == fragment_shader;
+ return !state->es_shader && state->stage == MESA_SHADER_FRAGMENT;
}
static bool
v130_fs_only(const _mesa_glsl_parse_state *state)
{
return state->is_version(130, 300) &&
- state->target == fragment_shader;
+ state->stage == MESA_SHADER_FRAGMENT;
}
static bool
* Since ARB_shader_texture_lod can only be enabled on desktop GLSL, we
* don't need to explicitly check state->es_shader.
*/
- return state->target == vertex_shader ||
+ return state->stage == MESA_SHADER_VERTEX ||
state->is_version(130, 300) ||
state->ARB_shader_texture_lod_enable;
}
}
static bool
-shader_packing(const _mesa_glsl_parse_state *state)
+shader_packing_or_es3(const _mesa_glsl_parse_state *state)
{
return state->ARB_shading_language_packing_enable ||
- state->is_version(400, 0);
+ state->is_version(400, 300);
}
static bool
-shader_packing_or_es3(const _mesa_glsl_parse_state *state)
+shader_packing_or_es3_or_gpu_shader5(const _mesa_glsl_parse_state *state)
{
return state->ARB_shading_language_packing_enable ||
+ state->ARB_gpu_shader5_enable ||
state->is_version(400, 300);
}
return state->is_version(400, 0) || state->ARB_gpu_shader5_enable;
}
+static bool
+shader_packing_or_gpu_shader5(const _mesa_glsl_parse_state *state)
+{
+ return state->ARB_shading_language_packing_enable ||
+ gpu_shader5(state);
+}
+
static bool
texture_array_lod(const _mesa_glsl_parse_state *state)
{
static bool
fs_texture_array(const _mesa_glsl_parse_state *state)
{
- return state->target == fragment_shader &&
+ return state->stage == MESA_SHADER_FRAGMENT &&
state->EXT_texture_array_enable;
}
static bool
fs_texture_cube_map_array(const _mesa_glsl_parse_state *state)
{
- return state->target == fragment_shader &&
+ return state->stage == MESA_SHADER_FRAGMENT &&
(state->is_version(400, 0) ||
state->ARB_texture_cube_map_array_enable);
}
static bool
texture_query_lod(const _mesa_glsl_parse_state *state)
{
- return state->target == fragment_shader &&
+ return state->stage == MESA_SHADER_FRAGMENT &&
state->ARB_texture_query_lod_enable;
}
static bool
fs_oes_derivatives(const _mesa_glsl_parse_state *state)
{
- return state->target == fragment_shader &&
- (!state->es_shader || state->OES_standard_derivatives_enable);
+ return state->stage == MESA_SHADER_FRAGMENT &&
+ (state->is_version(110, 300) ||
+ state->OES_standard_derivatives_enable);
}
static bool
static bool
fs_tex3d(const _mesa_glsl_parse_state *state)
{
- return state->target == fragment_shader &&
+ return state->stage == MESA_SHADER_FRAGMENT &&
(!state->es_shader || state->OES_texture_3D_enable);
}
{
return tex3d(state) && lod_exists_in_stage(state);
}
+
+static bool
+shader_atomic_counters(const _mesa_glsl_parse_state *state)
+{
+ return state->ARB_shader_atomic_counters_enable;
+}
+
+static bool
+shader_trinary_minmax(const _mesa_glsl_parse_state *state)
+{
+ return state->AMD_shader_trinary_minmax_enable;
+}
+
+static bool
+shader_image_load_store(const _mesa_glsl_parse_state *state)
+{
+ return (state->is_version(420, 0) ||
+ state->ARB_shader_image_load_store_enable);
+}
+
/** @} */
/******************************************************************************/
ir_function_signature *find(_mesa_glsl_parse_state *state,
const char *name, exec_list *actual_parameters);
-private:
- void *mem_ctx;
/**
* A shader to hold all the built-in signatures; created by this module.
*
*/
gl_shader *shader;
+private:
+ void *mem_ctx;
+
/** Global variables used by built-in functions. */
ir_variable *gl_ModelViewProjectionMatrix;
ir_variable *gl_Vertex;
void create_shader();
+ void create_intrinsics();
void create_builtins();
/**
ir_expression *asin_expr(ir_variable *x);
+ /**
+ * Call function \param f with parameters specified as the linked
+ * list \param params of \c ir_variable objects. \param ret should
+ * point to the ir_variable that will hold the function return
+ * value, or be \c NULL if the function has void return type.
+ */
+ ir_call *call(ir_function *f, ir_variable *ret, exec_list params);
+
/** Create a new function and add the given signatures. */
void add_function(const char *name, ...);
+ enum image_function_flags {
+ IMAGE_FUNCTION_EMIT_STUB = (1 << 0),
+ IMAGE_FUNCTION_RETURNS_VOID = (1 << 1),
+ IMAGE_FUNCTION_HAS_VECTOR_DATA_TYPE = (1 << 2),
+ IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE = (1 << 3),
+ IMAGE_FUNCTION_READ_ONLY = (1 << 4),
+ IMAGE_FUNCTION_WRITE_ONLY = (1 << 5)
+ };
+
+ /**
+ * Create a new image built-in function for all known image types.
+ * \p flags is a bitfield of \c image_function_flags flags.
+ */
+ void add_image_function(const char *name,
+ const char *intrinsic_name,
+ unsigned num_arguments,
+ unsigned flags);
+
+ /**
+ * Create new functions for all known image built-ins and types.
+ * If \p glsl is \c true, use the GLSL built-in names and emit code
+ * to call into the actual compiler intrinsic. If \p glsl is
+ * false, emit a function prototype with no body for each image
+ * intrinsic name.
+ */
+ void add_image_functions(bool glsl);
+
ir_function_signature *new_sig(const glsl_type *return_type,
builtin_available_predicate avail,
int num_params, ...);
#define TEX_OFFSET 2
#define TEX_COMPONENT 4
#define TEX_OFFSET_NONCONST 8
+#define TEX_OFFSET_ARRAY 16
ir_function_signature *_texture(ir_texture_opcode opcode,
builtin_available_predicate avail,
B1(uaddCarry)
B1(usubBorrow)
B1(mulExtended)
+
+ ir_function_signature *_atomic_intrinsic(builtin_available_predicate avail);
+ ir_function_signature *_atomic_op(const char *intrinsic,
+ builtin_available_predicate avail);
+
+ B1(min3)
+ B1(max3)
+ B1(mid3)
+
+ ir_function_signature *_image_prototype(const glsl_type *image_type,
+ const char *intrinsic_name,
+ unsigned num_arguments,
+ unsigned flags);
+ ir_function_signature *_image(const glsl_type *image_type,
+ const char *intrinsic_name,
+ unsigned num_arguments,
+ unsigned flags);
+
+ ir_function_signature *_memory_barrier_intrinsic(
+ builtin_available_predicate avail);
+ ir_function_signature *_memory_barrier(
+ builtin_available_predicate avail);
+
#undef B0
#undef B1
#undef B2
* that the "no matching signature" error will list potential candidates
* from the available built-ins.
*/
- state->builtins_to_link[0] = shader;
- state->num_builtins_to_link = 1;
+ state->uses_builtin_functions = true;
ir_function *f = shader->symbols->get_function(name);
if (f == NULL)
mem_ctx = ralloc_context(NULL);
create_shader();
+ create_intrinsics();
create_builtins();
}
/** @} */
+/**
+ * Create ir_function and ir_function_signature objects for each
+ * intrinsic.
+ */
+void
+builtin_builder::create_intrinsics()
+{
+ add_function("__intrinsic_atomic_read",
+ _atomic_intrinsic(shader_atomic_counters),
+ NULL);
+ add_function("__intrinsic_atomic_increment",
+ _atomic_intrinsic(shader_atomic_counters),
+ NULL);
+ add_function("__intrinsic_atomic_predecrement",
+ _atomic_intrinsic(shader_atomic_counters),
+ NULL);
+
+ add_image_functions(false);
+
+ add_function("__intrinsic_memory_barrier",
+ _memory_barrier_intrinsic(shader_image_load_store),
+ NULL);
+}
+
/**
* Create ir_function and ir_function_signature objects for each built-in.
*
_uintBitsToFloat(glsl_type::uvec4_type),
NULL);
- add_function("packUnorm2x16", _packUnorm2x16(shader_packing_or_es3), NULL);
- add_function("packSnorm2x16", _packSnorm2x16(shader_packing_or_es3), NULL);
- add_function("packUnorm4x8", _packUnorm4x8(shader_packing), NULL);
- add_function("packSnorm4x8", _packSnorm4x8(shader_packing), NULL);
- add_function("unpackUnorm2x16", _unpackUnorm2x16(shader_packing_or_es3), NULL);
- add_function("unpackSnorm2x16", _unpackSnorm2x16(shader_packing_or_es3), NULL);
- add_function("unpackUnorm4x8", _unpackUnorm4x8(shader_packing), NULL);
- add_function("unpackSnorm4x8", _unpackSnorm4x8(shader_packing), NULL);
- add_function("packHalf2x16", _packHalf2x16(shader_packing_or_es3), NULL);
- add_function("unpackHalf2x16", _unpackHalf2x16(shader_packing_or_es3), NULL);
+ add_function("packUnorm2x16", _packUnorm2x16(shader_packing_or_es3_or_gpu_shader5), NULL);
+ add_function("packSnorm2x16", _packSnorm2x16(shader_packing_or_es3), NULL);
+ add_function("packUnorm4x8", _packUnorm4x8(shader_packing_or_gpu_shader5), NULL);
+ add_function("packSnorm4x8", _packSnorm4x8(shader_packing_or_gpu_shader5), NULL);
+ add_function("unpackUnorm2x16", _unpackUnorm2x16(shader_packing_or_es3_or_gpu_shader5), NULL);
+ add_function("unpackSnorm2x16", _unpackSnorm2x16(shader_packing_or_es3), NULL);
+ add_function("unpackUnorm4x8", _unpackUnorm4x8(shader_packing_or_gpu_shader5), NULL);
+ add_function("unpackSnorm4x8", _unpackSnorm4x8(shader_packing_or_gpu_shader5), NULL);
+ add_function("packHalf2x16", _packHalf2x16(shader_packing_or_es3), NULL);
+ add_function("unpackHalf2x16", _unpackHalf2x16(shader_packing_or_es3), NULL);
F(length)
F(distance)
_texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DRectShadow_type, glsl_type::vec2_type, TEX_OFFSET_NONCONST),
NULL);
+ add_function("textureGatherOffsets",
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2D_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::ivec4_type, glsl_type::isampler2D_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::uvec4_type, glsl_type::usampler2D_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2D_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+ _texture(ir_tg4, gpu_shader5, glsl_type::ivec4_type, glsl_type::isampler2D_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+ _texture(ir_tg4, gpu_shader5, glsl_type::uvec4_type, glsl_type::usampler2D_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DArray_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::ivec4_type, glsl_type::isampler2DArray_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::uvec4_type, glsl_type::usampler2DArray_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY),
+
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DArray_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+ _texture(ir_tg4, gpu_shader5, glsl_type::ivec4_type, glsl_type::isampler2DArray_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+ _texture(ir_tg4, gpu_shader5, glsl_type::uvec4_type, glsl_type::usampler2DArray_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DRect_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::ivec4_type, glsl_type::isampler2DRect_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::uvec4_type, glsl_type::usampler2DRect_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DRect_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+ _texture(ir_tg4, gpu_shader5, glsl_type::ivec4_type, glsl_type::isampler2DRect_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+ _texture(ir_tg4, gpu_shader5, glsl_type::uvec4_type, glsl_type::usampler2DRect_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY | TEX_COMPONENT),
+
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DShadow_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DArrayShadow_type, glsl_type::vec3_type, TEX_OFFSET_ARRAY),
+ _texture(ir_tg4, gpu_shader5, glsl_type::vec4_type, glsl_type::sampler2DRectShadow_type, glsl_type::vec2_type, TEX_OFFSET_ARRAY),
+ NULL);
+
F(dFdx)
F(dFdy)
F(fwidth)
_mulExtended(glsl_type::uvec3_type),
_mulExtended(glsl_type::uvec4_type),
NULL);
+
+ add_function("atomicCounter",
+ _atomic_op("__intrinsic_atomic_read",
+ shader_atomic_counters),
+ NULL);
+ add_function("atomicCounterIncrement",
+ _atomic_op("__intrinsic_atomic_increment",
+ shader_atomic_counters),
+ NULL);
+ add_function("atomicCounterDecrement",
+ _atomic_op("__intrinsic_atomic_predecrement",
+ shader_atomic_counters),
+ NULL);
+
+ add_function("min3",
+ _min3(glsl_type::float_type),
+ _min3(glsl_type::vec2_type),
+ _min3(glsl_type::vec3_type),
+ _min3(glsl_type::vec4_type),
+
+ _min3(glsl_type::int_type),
+ _min3(glsl_type::ivec2_type),
+ _min3(glsl_type::ivec3_type),
+ _min3(glsl_type::ivec4_type),
+
+ _min3(glsl_type::uint_type),
+ _min3(glsl_type::uvec2_type),
+ _min3(glsl_type::uvec3_type),
+ _min3(glsl_type::uvec4_type),
+ NULL);
+
+ add_function("max3",
+ _max3(glsl_type::float_type),
+ _max3(glsl_type::vec2_type),
+ _max3(glsl_type::vec3_type),
+ _max3(glsl_type::vec4_type),
+
+ _max3(glsl_type::int_type),
+ _max3(glsl_type::ivec2_type),
+ _max3(glsl_type::ivec3_type),
+ _max3(glsl_type::ivec4_type),
+
+ _max3(glsl_type::uint_type),
+ _max3(glsl_type::uvec2_type),
+ _max3(glsl_type::uvec3_type),
+ _max3(glsl_type::uvec4_type),
+ NULL);
+
+ add_function("mid3",
+ _mid3(glsl_type::float_type),
+ _mid3(glsl_type::vec2_type),
+ _mid3(glsl_type::vec3_type),
+ _mid3(glsl_type::vec4_type),
+
+ _mid3(glsl_type::int_type),
+ _mid3(glsl_type::ivec2_type),
+ _mid3(glsl_type::ivec3_type),
+ _mid3(glsl_type::ivec4_type),
+
+ _mid3(glsl_type::uint_type),
+ _mid3(glsl_type::uvec2_type),
+ _mid3(glsl_type::uvec3_type),
+ _mid3(glsl_type::uvec4_type),
+ NULL);
+
+ add_image_functions(true);
+
+ add_function("memoryBarrier",
+ _memory_barrier(shader_image_load_store),
+ NULL);
+
#undef F
#undef FI
#undef FIU
if (sig == NULL)
break;
- sig->is_defined = true;
-
if (false) {
exec_list stuff;
stuff.push_tail(sig);
shader->symbols->add_function(f);
}
+void
+builtin_builder::add_image_function(const char *name,
+ const char *intrinsic_name,
+ unsigned num_arguments,
+ unsigned flags)
+{
+ static const glsl_type *const types[] = {
+ glsl_type::image1D_type,
+ glsl_type::image2D_type,
+ glsl_type::image3D_type,
+ glsl_type::image2DRect_type,
+ glsl_type::imageCube_type,
+ glsl_type::imageBuffer_type,
+ glsl_type::image1DArray_type,
+ glsl_type::image2DArray_type,
+ glsl_type::imageCubeArray_type,
+ glsl_type::image2DMS_type,
+ glsl_type::image2DMSArray_type,
+ glsl_type::iimage1D_type,
+ glsl_type::iimage2D_type,
+ glsl_type::iimage3D_type,
+ glsl_type::iimage2DRect_type,
+ glsl_type::iimageCube_type,
+ glsl_type::iimageBuffer_type,
+ glsl_type::iimage1DArray_type,
+ glsl_type::iimage2DArray_type,
+ glsl_type::iimageCubeArray_type,
+ glsl_type::iimage2DMS_type,
+ glsl_type::iimage2DMSArray_type,
+ glsl_type::uimage1D_type,
+ glsl_type::uimage2D_type,
+ glsl_type::uimage3D_type,
+ glsl_type::uimage2DRect_type,
+ glsl_type::uimageCube_type,
+ glsl_type::uimageBuffer_type,
+ glsl_type::uimage1DArray_type,
+ glsl_type::uimage2DArray_type,
+ glsl_type::uimageCubeArray_type,
+ glsl_type::uimage2DMS_type,
+ glsl_type::uimage2DMSArray_type
+ };
+ ir_function *f = new(mem_ctx) ir_function(name);
+
+ for (unsigned i = 0; i < Elements(types); ++i) {
+ if (types[i]->sampler_type != GLSL_TYPE_FLOAT ||
+ (flags & IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE))
+ f->add_signature(_image(types[i], intrinsic_name,
+ num_arguments, flags));
+ }
+
+ shader->symbols->add_function(f);
+}
+
+void
+builtin_builder::add_image_functions(bool glsl)
+{
+ const unsigned flags = (glsl ? IMAGE_FUNCTION_EMIT_STUB : 0);
+
+ add_image_function(glsl ? "imageLoad" : "__intrinsic_image_load",
+ "__intrinsic_image_load", 0,
+ (flags | IMAGE_FUNCTION_HAS_VECTOR_DATA_TYPE |
+ IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE |
+ IMAGE_FUNCTION_READ_ONLY));
+
+ add_image_function(glsl ? "imageStore" : "__intrinsic_image_store",
+ "__intrinsic_image_store", 1,
+ (flags | IMAGE_FUNCTION_RETURNS_VOID |
+ IMAGE_FUNCTION_HAS_VECTOR_DATA_TYPE |
+ IMAGE_FUNCTION_SUPPORTS_FLOAT_DATA_TYPE |
+ IMAGE_FUNCTION_WRITE_ONLY));
+
+ add_image_function(glsl ? "imageAtomicAdd" : "__intrinsic_image_atomic_add",
+ "__intrinsic_image_atomic_add", 1, flags);
+
+ add_image_function(glsl ? "imageAtomicMin" : "__intrinsic_image_atomic_min",
+ "__intrinsic_image_atomic_min", 1, flags);
+
+ add_image_function(glsl ? "imageAtomicMax" : "__intrinsic_image_atomic_max",
+ "__intrinsic_image_atomic_max", 1, flags);
+
+ add_image_function(glsl ? "imageAtomicAnd" : "__intrinsic_image_atomic_and",
+ "__intrinsic_image_atomic_and", 1, flags);
+
+ add_image_function(glsl ? "imageAtomicOr" : "__intrinsic_image_atomic_or",
+ "__intrinsic_image_atomic_or", 1, flags);
+
+ add_image_function(glsl ? "imageAtomicXor" : "__intrinsic_image_atomic_xor",
+ "__intrinsic_image_atomic_xor", 1, flags);
+
+ add_image_function((glsl ? "imageAtomicExchange" :
+ "__intrinsic_image_atomic_exchange"),
+ "__intrinsic_image_atomic_exchange", 1, flags);
+
+ add_image_function((glsl ? "imageAtomicCompSwap" :
+ "__intrinsic_image_atomic_comp_swap"),
+ "__intrinsic_image_atomic_comp_swap", 2, flags);
+}
+
ir_variable *
builtin_builder::in_var(const glsl_type *type, const char *name)
{
#define MAKE_SIG(return_type, avail, ...) \
ir_function_signature *sig = \
new_sig(return_type, avail, __VA_ARGS__); \
- ir_factory body(&sig->body, mem_ctx);
+ ir_factory body(&sig->body, mem_ctx); \
+ sig->is_defined = true;
+
+#define MAKE_INTRINSIC(return_type, avail, ...) \
+ ir_function_signature *sig = \
+ new_sig(return_type, avail, __VA_ARGS__); \
+ sig->is_intrinsic = true;
ir_function_signature *
builtin_builder::unop(builtin_available_predicate avail,
builtin_builder::asin_expr(ir_variable *x)
{
return mul(sign(x),
- sub(imm(1.5707964f),
+ sub(imm(M_PI_2f),
mul(sqrt(sub(imm(1.0f), abs(x))),
- add(imm(1.5707964f),
+ add(imm(M_PI_2f),
mul(abs(x),
- add(imm(-0.21460183f),
+ add(imm(M_PI_4f - 1.0f),
mul(abs(x),
add(imm(0.086566724f),
mul(abs(x), imm(-0.03102955f))))))))));
}
+ir_call *
+builtin_builder::call(ir_function *f, ir_variable *ret, exec_list params)
+{
+ exec_list actual_params;
+
+ foreach_list(node, ¶ms) {
+ ir_variable *var = (ir_variable *) node;
+ actual_params.push_tail(var_ref(var));
+ }
+
+ ir_function_signature *sig =
+ f->exact_matching_signature(NULL, &actual_params);
+ if (!sig)
+ return NULL;
+
+ ir_dereference_variable *deref =
+ (sig->return_type->is_void() ? NULL : var_ref(ret));
+
+ return new(mem_ctx) ir_call(sig, deref, &actual_params);
+}
ir_function_signature *
builtin_builder::_asin(const glsl_type *type)
ir_variable *x = in_var(type, "x");
MAKE_SIG(type, always_available, 1, x);
- body.emit(ret(sub(imm(1.5707964f), asin_expr(x))));
+ body.emit(ret(sub(imm(M_PI_2f), asin_expr(x))));
return sig;
}
ir_if *inner_if = new(mem_ctx) ir_if(less(x, imm(0.0f)));
inner_if->then_instructions.push_tail(
if_tree(gequal(y, imm(0.0f)),
- assign(r, add(r, imm(3.141593f))),
- assign(r, sub(r, imm(3.141593f)))));
+ assign(r, add(r, imm(M_PIf))),
+ assign(r, sub(r, imm(M_PIf)))));
outer_then.emit(inner_if);
/* Else... */
outer_if->else_instructions.push_tail(
- assign(r, mul(sign(y), imm(1.5707965f))));
+ assign(r, mul(sign(y), imm(M_PI_2f))));
body.emit(outer_if);
ir_variable *x = in_var(type, "x");
MAKE_SIG(glsl_type::float_type, always_available, 1, x);
- body.emit(ret(sqrt(dotlike(x, x))));
+ body.emit(ret(sqrt(dot(x, x))));
return sig;
}
ir_variable *Nref = in_var(type, "Nref");
MAKE_SIG(type, always_available, 3, N, I, Nref);
- body.emit(if_tree(less(dotlike(Nref, I), imm(0.0f)),
+ body.emit(if_tree(less(dot(Nref, I), imm(0.0f)),
ret(N), ret(neg(N))));
return sig;
MAKE_SIG(type, always_available, 2, I, N);
/* I - 2 * dot(N, I) * N */
- body.emit(ret(sub(I, mul(imm(2.0f), mul(dotlike(N, I), N)))));
+ body.emit(ret(sub(I, mul(imm(2.0f), mul(dot(N, I), N)))));
return sig;
}
MAKE_SIG(type, always_available, 3, I, N, eta);
ir_variable *n_dot_i = body.make_temp(glsl_type::float_type, "n_dot_i");
- body.emit(assign(n_dot_i, dotlike(N, I)));
+ body.emit(assign(n_dot_i, dot(N, I)));
/* From the GLSL 1.10 specification:
* k = 1.0 - eta * eta * (1.0 - dot(N, I) * dot(N, I))
ir_texture *tex = new(mem_ctx) ir_texture(opcode);
tex->set_sampler(var_ref(s), return_type);
- const int coord_size = sampler_type->sampler_coordinate_components();
+ const int coord_size = sampler_type->coordinate_components();
if (coord_size == coord_type->vector_elements) {
tex->coordinate = var_ref(P);
tex->offset = var_ref(offset);
}
+ if (flags & TEX_OFFSET_ARRAY) {
+ ir_variable *offsets =
+ new(mem_ctx) ir_variable(glsl_type::get_array_instance(glsl_type::ivec2_type, 4),
+ "offsets", ir_var_const_in);
+ sig->parameters.push_tail(offsets);
+ tex->offset = var_ref(offsets);
+ }
+
if (opcode == ir_tg4) {
if (flags & TEX_COMPONENT) {
ir_variable *component =
ir_variable *c = in_var(type, "c");
MAKE_SIG(type, gpu_shader5, 3, a, b, c);
- body.emit(ret(fma(a, b, c)));
+ body.emit(ret(ir_builder::fma(a, b, c)));
return sig;
}
return sig;
}
+
+ir_function_signature *
+builtin_builder::_atomic_intrinsic(builtin_available_predicate avail)
+{
+ ir_variable *counter = in_var(glsl_type::atomic_uint_type, "counter");
+ MAKE_INTRINSIC(glsl_type::uint_type, avail, 1, counter);
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_atomic_op(const char *intrinsic,
+ builtin_available_predicate avail)
+{
+ ir_variable *counter = in_var(glsl_type::atomic_uint_type, "atomic_counter");
+ MAKE_SIG(glsl_type::uint_type, avail, 1, counter);
+
+ ir_variable *retval = body.make_temp(glsl_type::uint_type, "atomic_retval");
+ body.emit(call(shader->symbols->get_function(intrinsic), retval,
+ sig->parameters));
+ body.emit(ret(retval));
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_min3(const glsl_type *type)
+{
+ ir_variable *x = in_var(type, "x");
+ ir_variable *y = in_var(type, "y");
+ ir_variable *z = in_var(type, "z");
+ MAKE_SIG(type, shader_trinary_minmax, 3, x, y, z);
+
+ ir_expression *min3 = min2(x, min2(y,z));
+ body.emit(ret(min3));
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_max3(const glsl_type *type)
+{
+ ir_variable *x = in_var(type, "x");
+ ir_variable *y = in_var(type, "y");
+ ir_variable *z = in_var(type, "z");
+ MAKE_SIG(type, shader_trinary_minmax, 3, x, y, z);
+
+ ir_expression *max3 = max2(x, max2(y,z));
+ body.emit(ret(max3));
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_mid3(const glsl_type *type)
+{
+ ir_variable *x = in_var(type, "x");
+ ir_variable *y = in_var(type, "y");
+ ir_variable *z = in_var(type, "z");
+ MAKE_SIG(type, shader_trinary_minmax, 3, x, y, z);
+
+ ir_expression *mid3 = max2(min2(x, y), max2(min2(x, z), min2(y, z)));
+ body.emit(ret(mid3));
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_image_prototype(const glsl_type *image_type,
+ const char *intrinsic_name,
+ unsigned num_arguments,
+ unsigned flags)
+{
+ const glsl_type *data_type = glsl_type::get_instance(
+ image_type->sampler_type,
+ (flags & IMAGE_FUNCTION_HAS_VECTOR_DATA_TYPE ? 4 : 1),
+ 1);
+ const glsl_type *ret_type = (flags & IMAGE_FUNCTION_RETURNS_VOID ?
+ glsl_type::void_type : data_type);
+
+ /* Addressing arguments that are always present. */
+ ir_variable *image = in_var(image_type, "image");
+ ir_variable *coord = in_var(
+ glsl_type::ivec(image_type->coordinate_components()), "coord");
+
+ ir_function_signature *sig = new_sig(
+ ret_type, shader_image_load_store, 2, image, coord);
+
+ /* Sample index for multisample images. */
+ if (image_type->sampler_dimensionality == GLSL_SAMPLER_DIM_MS)
+ sig->parameters.push_tail(in_var(glsl_type::int_type, "sample"));
+
+ /* Data arguments. */
+ for (unsigned i = 0; i < num_arguments; ++i)
+ sig->parameters.push_tail(in_var(data_type,
+ ralloc_asprintf(NULL, "arg%d", i)));
+
+ /* Set the maximal set of qualifiers allowed for this image
+ * built-in. Function calls with arguments having fewer
+ * qualifiers than present in the prototype are allowed by the
+ * spec, but not with more, i.e. this will make the compiler
+ * accept everything that needs to be accepted, and reject cases
+ * like loads from write-only or stores to read-only images.
+ */
+ image->data.image.read_only = flags & IMAGE_FUNCTION_READ_ONLY;
+ image->data.image.write_only = flags & IMAGE_FUNCTION_WRITE_ONLY;
+ image->data.image.coherent = true;
+ image->data.image._volatile = true;
+ image->data.image.restrict_flag = true;
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_image(const glsl_type *image_type,
+ const char *intrinsic_name,
+ unsigned num_arguments,
+ unsigned flags)
+{
+ ir_function_signature *sig = _image_prototype(image_type, intrinsic_name,
+ num_arguments, flags);
+
+ if (flags & IMAGE_FUNCTION_EMIT_STUB) {
+ ir_factory body(&sig->body, mem_ctx);
+ ir_function *f = shader->symbols->get_function(intrinsic_name);
+
+ if (flags & IMAGE_FUNCTION_RETURNS_VOID) {
+ body.emit(call(f, NULL, sig->parameters));
+ } else {
+ ir_variable *ret_val =
+ body.make_temp(sig->return_type, "_ret_val");
+ body.emit(call(f, ret_val, sig->parameters));
+ body.emit(ret(ret_val));
+ }
+
+ sig->is_defined = true;
+
+ } else {
+ sig->is_intrinsic = true;
+ }
+
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_memory_barrier_intrinsic(builtin_available_predicate avail)
+{
+ MAKE_INTRINSIC(glsl_type::void_type, avail, 0);
+ return sig;
+}
+
+ir_function_signature *
+builtin_builder::_memory_barrier(builtin_available_predicate avail)
+{
+ MAKE_SIG(glsl_type::void_type, avail, 0);
+ body.emit(call(shader->symbols->get_function("__intrinsic_memory_barrier"),
+ NULL, sig->parameters));
+ return sig;
+}
+
/** @} */
/******************************************************************************/
/* The singleton instance of builtin_builder. */
static builtin_builder builtins;
+static mtx_t builtins_lock = _MTX_INITIALIZER_NP;
/**
* External API (exposing the built-in module to the rest of the compiler):
void
_mesa_glsl_initialize_builtin_functions()
{
+ mtx_lock(&builtins_lock);
builtins.initialize();
+ mtx_unlock(&builtins_lock);
}
void
_mesa_glsl_release_builtin_functions()
{
+ mtx_lock(&builtins_lock);
builtins.release();
+ mtx_unlock(&builtins_lock);
}
ir_function_signature *
_mesa_glsl_find_builtin_function(_mesa_glsl_parse_state *state,
const char *name, exec_list *actual_parameters)
{
- return builtins.find(state, name, actual_parameters);
+ ir_function_signature * s;
+ mtx_lock(&builtins_lock);
+ s = builtins.find(state, name, actual_parameters);
+ mtx_unlock(&builtins_lock);
+ return s;
}
+
+gl_shader *
+_mesa_glsl_get_builtin_function_shader()
+{
+ return builtins.shader;
+}
+
/** @} */
projects / mesa.git / blobdiff