#include "glsl_symbol_table.h"
#include "main/core.h"
#include "main/uniforms.h"
-#include "program/prog_parameter.h"
#include "program/prog_statevars.h"
#include "program/prog_instruction.h"
+static const 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[] = {
+static const struct gl_builtin_uniform_element gl_DepthRange_elements[] = {
{"near", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_XXXX},
{"far", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_YYYY},
{"diff", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_ZZZZ},
};
-static struct gl_builtin_uniform_element gl_ClipPlane_elements[] = {
+static const struct gl_builtin_uniform_element gl_ClipPlane_elements[] = {
{NULL, {STATE_CLIPPLANE, 0, 0}, SWIZZLE_XYZW}
};
-static struct gl_builtin_uniform_element gl_Point_elements[] = {
+static const struct gl_builtin_uniform_element gl_Point_elements[] = {
{"size", {STATE_POINT_SIZE}, SWIZZLE_XXXX},
{"sizeMin", {STATE_POINT_SIZE}, SWIZZLE_YYYY},
{"sizeMax", {STATE_POINT_SIZE}, SWIZZLE_ZZZZ},
{"distanceQuadraticAttenuation", {STATE_POINT_ATTENUATION}, SWIZZLE_ZZZZ},
};
-static struct gl_builtin_uniform_element gl_FrontMaterial_elements[] = {
+static const struct gl_builtin_uniform_element gl_FrontMaterial_elements[] = {
{"emission", {STATE_MATERIAL, 0, STATE_EMISSION}, SWIZZLE_XYZW},
{"ambient", {STATE_MATERIAL, 0, STATE_AMBIENT}, SWIZZLE_XYZW},
{"diffuse", {STATE_MATERIAL, 0, STATE_DIFFUSE}, SWIZZLE_XYZW},
{"shininess", {STATE_MATERIAL, 0, STATE_SHININESS}, SWIZZLE_XXXX},
};
-static struct gl_builtin_uniform_element gl_BackMaterial_elements[] = {
+static const struct gl_builtin_uniform_element gl_BackMaterial_elements[] = {
{"emission", {STATE_MATERIAL, 1, STATE_EMISSION}, SWIZZLE_XYZW},
{"ambient", {STATE_MATERIAL, 1, STATE_AMBIENT}, SWIZZLE_XYZW},
{"diffuse", {STATE_MATERIAL, 1, STATE_DIFFUSE}, SWIZZLE_XYZW},
{"shininess", {STATE_MATERIAL, 1, STATE_SHININESS}, SWIZZLE_XXXX},
};
-static struct gl_builtin_uniform_element gl_LightSource_elements[] = {
+static const struct gl_builtin_uniform_element gl_LightSource_elements[] = {
{"ambient", {STATE_LIGHT, 0, STATE_AMBIENT}, SWIZZLE_XYZW},
{"diffuse", {STATE_LIGHT, 0, STATE_DIFFUSE}, SWIZZLE_XYZW},
{"specular", {STATE_LIGHT, 0, STATE_SPECULAR}, SWIZZLE_XYZW},
{"quadraticAttenuation", {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_ZZZZ},
};
-static struct gl_builtin_uniform_element gl_LightModel_elements[] = {
+static const struct gl_builtin_uniform_element gl_LightModel_elements[] = {
{"ambient", {STATE_LIGHTMODEL_AMBIENT, 0}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_FrontLightModelProduct_elements[] = {
+static const struct gl_builtin_uniform_element gl_FrontLightModelProduct_elements[] = {
{"sceneColor", {STATE_LIGHTMODEL_SCENECOLOR, 0}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_BackLightModelProduct_elements[] = {
+static const struct gl_builtin_uniform_element gl_BackLightModelProduct_elements[] = {
{"sceneColor", {STATE_LIGHTMODEL_SCENECOLOR, 1}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_FrontLightProduct_elements[] = {
+static const struct gl_builtin_uniform_element gl_FrontLightProduct_elements[] = {
{"ambient", {STATE_LIGHTPROD, 0, 0, STATE_AMBIENT}, SWIZZLE_XYZW},
{"diffuse", {STATE_LIGHTPROD, 0, 0, STATE_DIFFUSE}, SWIZZLE_XYZW},
{"specular", {STATE_LIGHTPROD, 0, 0, STATE_SPECULAR}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_BackLightProduct_elements[] = {
+static const struct gl_builtin_uniform_element gl_BackLightProduct_elements[] = {
{"ambient", {STATE_LIGHTPROD, 0, 1, STATE_AMBIENT}, SWIZZLE_XYZW},
{"diffuse", {STATE_LIGHTPROD, 0, 1, STATE_DIFFUSE}, SWIZZLE_XYZW},
{"specular", {STATE_LIGHTPROD, 0, 1, STATE_SPECULAR}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_TextureEnvColor_elements[] = {
+static const struct gl_builtin_uniform_element gl_TextureEnvColor_elements[] = {
{NULL, {STATE_TEXENV_COLOR, 0}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_EyePlaneS_elements[] = {
+static const struct gl_builtin_uniform_element gl_EyePlaneS_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_S}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_EyePlaneT_elements[] = {
+static const struct gl_builtin_uniform_element gl_EyePlaneT_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_T}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_EyePlaneR_elements[] = {
+static const struct gl_builtin_uniform_element gl_EyePlaneR_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_R}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_EyePlaneQ_elements[] = {
+static const struct gl_builtin_uniform_element gl_EyePlaneQ_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_Q}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_ObjectPlaneS_elements[] = {
+static const struct gl_builtin_uniform_element gl_ObjectPlaneS_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_S}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_ObjectPlaneT_elements[] = {
+static const struct gl_builtin_uniform_element gl_ObjectPlaneT_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_T}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_ObjectPlaneR_elements[] = {
+static const struct gl_builtin_uniform_element gl_ObjectPlaneR_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_R}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_ObjectPlaneQ_elements[] = {
+static const struct gl_builtin_uniform_element gl_ObjectPlaneQ_elements[] = {
{NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_Q}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_Fog_elements[] = {
+static const struct gl_builtin_uniform_element gl_Fog_elements[] = {
{"color", {STATE_FOG_COLOR}, SWIZZLE_XYZW},
{"density", {STATE_FOG_PARAMS}, SWIZZLE_XXXX},
{"start", {STATE_FOG_PARAMS}, SWIZZLE_YYYY},
{"scale", {STATE_FOG_PARAMS}, SWIZZLE_WWWW},
};
-static struct gl_builtin_uniform_element gl_NormalScale_elements[] = {
+static const struct gl_builtin_uniform_element gl_NormalScale_elements[] = {
{NULL, {STATE_NORMAL_SCALE}, SWIZZLE_XXXX},
};
-static struct gl_builtin_uniform_element gl_BumpRotMatrix0MESA_elements[] = {
- {NULL, {STATE_INTERNAL, STATE_ROT_MATRIX_0}, SWIZZLE_XYZW},
-};
-
-static struct gl_builtin_uniform_element gl_BumpRotMatrix1MESA_elements[] = {
- {NULL, {STATE_INTERNAL, STATE_ROT_MATRIX_1}, SWIZZLE_XYZW},
-};
-
-static struct gl_builtin_uniform_element gl_FogParamsOptimizedMESA_elements[] = {
+static const struct gl_builtin_uniform_element gl_FogParamsOptimizedMESA_elements[] = {
{NULL, {STATE_INTERNAL, STATE_FOG_PARAMS_OPTIMIZED}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_CurrentAttribVertMESA_elements[] = {
+static const struct gl_builtin_uniform_element gl_CurrentAttribVertMESA_elements[] = {
{NULL, {STATE_INTERNAL, STATE_CURRENT_ATTRIB, 0}, SWIZZLE_XYZW},
};
-static struct gl_builtin_uniform_element gl_CurrentAttribFragMESA_elements[] = {
+static const struct gl_builtin_uniform_element gl_CurrentAttribFragMESA_elements[] = {
{NULL, {STATE_INTERNAL, STATE_CURRENT_ATTRIB_MAYBE_VP_CLAMPED, 0}, SWIZZLE_XYZW},
};
#define MATRIX(name, statevar, modifier) \
- static struct gl_builtin_uniform_element name ## _elements[] = { \
+ static const struct gl_builtin_uniform_element name ## _elements[] = { \
{ NULL, { statevar, 0, 0, 0, modifier}, SWIZZLE_XYZW }, \
{ NULL, { statevar, 0, 1, 1, modifier}, SWIZZLE_XYZW }, \
{ NULL, { statevar, 0, 2, 2, modifier}, SWIZZLE_XYZW }, \
MATRIX(gl_TextureMatrixInverseTranspose,
STATE_TEXTURE_MATRIX, STATE_MATRIX_INVERSE);
-static struct gl_builtin_uniform_element gl_NormalMatrix_elements[] = {
+static const struct gl_builtin_uniform_element gl_NormalMatrix_elements[] = {
{ NULL, { STATE_MODELVIEW_MATRIX, 0, 0, 0, STATE_MATRIX_INVERSE},
MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z) },
{ NULL, { STATE_MODELVIEW_MATRIX, 0, 1, 1, STATE_MATRIX_INVERSE},
#undef MATRIX
-#define STATEVAR(name) {#name, name ## _elements, Elements(name ## _elements)}
+#define STATEVAR(name) {#name, name ## _elements, ARRAY_SIZE(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),
STATEVAR(gl_NormalMatrix),
STATEVAR(gl_NormalScale),
- STATEVAR(gl_BumpRotMatrix0MESA),
- STATEVAR(gl_BumpRotMatrix1MESA),
STATEVAR(gl_FogParamsOptimizedMESA),
STATEVAR(gl_CurrentAttribVertMESA),
STATEVAR(gl_CurrentAttribFragMESA),
namespace {
+/**
+ * Data structure that accumulates fields for the gl_PerVertex interface
+ * block.
+ */
+class per_vertex_accumulator
+{
+public:
+ per_vertex_accumulator();
+ void add_field(int slot, const glsl_type *type, const char *name);
+ const glsl_type *construct_interface_instance() const;
+
+private:
+ glsl_struct_field fields[10];
+ unsigned num_fields;
+};
+
+
+per_vertex_accumulator::per_vertex_accumulator()
+ : fields(),
+ num_fields(0)
+{
+}
+
+
+void
+per_vertex_accumulator::add_field(int slot, const glsl_type *type,
+ const char *name)
+{
+ assert(this->num_fields < ARRAY_SIZE(this->fields));
+ this->fields[this->num_fields].type = type;
+ this->fields[this->num_fields].name = name;
+ this->fields[this->num_fields].matrix_layout = GLSL_MATRIX_LAYOUT_INHERITED;
+ 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->fields[this->num_fields].patch = 0;
+ this->num_fields++;
+}
+
+
+const glsl_type *
+per_vertex_accumulator::construct_interface_instance() const
+{
+ return glsl_type::get_interface_instance(this->fields, this->num_fields,
+ GLSL_INTERFACE_PACKING_STD140,
+ "gl_PerVertex");
+}
+
+
class builtin_variable_generator
{
public:
void generate_constants();
void generate_uniforms();
void generate_vs_special_vars();
+ void generate_tcs_special_vars();
+ void generate_tes_special_vars();
void generate_gs_special_vars();
void generate_fs_special_vars();
+ void generate_cs_special_vars();
void generate_varyings();
private:
enum ir_variable_mode mode, int slot);
ir_variable *add_uniform(const glsl_type *type, const char *name);
ir_variable *add_const(const char *name, int value);
+ ir_variable *add_const_ivec3(const char *name, int x, int y, int z);
void add_varying(int slot, const glsl_type *type, const char *name,
const char *name_as_gs_input);
const glsl_type * const mat3_t;
const glsl_type * const mat4_t;
- /**
- * Array where the contents of the gl_PerVertex interface instance are
- * accumulated.
- */
- glsl_struct_field per_vertex_fields[10];
-
- /**
- * Number of elements of per_vertex_fields which have been populated.
- */
- unsigned num_per_vertex_fields;
+ per_vertex_accumulator per_vertex_in;
+ per_vertex_accumulator per_vertex_out;
};
bool_t(glsl_type::bool_type), int_t(glsl_type::int_type),
float_t(glsl_type::float_type), vec2_t(glsl_type::vec2_type),
vec3_t(glsl_type::vec3_type), vec4_t(glsl_type::vec4_type),
- mat3_t(glsl_type::mat3_type), mat4_t(glsl_type::mat4_type),
- num_per_vertex_fields(0)
+ mat3_t(glsl_type::mat3_type), mat4_t(glsl_type::mat4_type)
{
}
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:
+ case ir_var_shader_storage:
break;
default:
/* The only variables that are added using this function should be
- * uniforms, shader inputs, and shader outputs, constants (which use
- * ir_var_auto), and system values.
+ * uniforms, shader storage, shader inputs, and shader outputs, constants
+ * (which use ir_var_auto), and system values.
*/
assert(0);
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.
&_mesa_builtin_uniform_desc[i];
const unsigned array_count = type->is_array() ? type->length : 1;
- uni->num_state_slots = array_count * statevar->num_elements;
ir_state_slot *slots =
- ralloc_array(uni, ir_state_slot, uni->num_state_slots);
-
- uni->state_slots = slots;
+ uni->allocate_state_slots(array_count * statevar->num_elements);
for (unsigned a = 0; a < array_count; a++) {
for (unsigned j = 0; j < statevar->num_elements; j++) {
- struct gl_builtin_uniform_element *element = &statevar->elements[j];
+ const struct gl_builtin_uniform_element *element =
+ &statevar->elements[j];
memcpy(slots->tokens, element->tokens, sizeof(element->tokens));
if (type->is_array()) {
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;
+}
+
+
+ir_variable *
+builtin_variable_generator::add_const_ivec3(const char *name, int x, int y,
+ int z)
+{
+ ir_variable *const var = add_variable(name, glsl_type::ivec3_type,
+ ir_var_auto, -1);
+ ir_constant_data data;
+ memset(&data, 0, sizeof(data));
+ data.i[0] = x;
+ data.i[1] = y;
+ data.i[2] = z;
+ var->constant_value = new(var) ir_constant(glsl_type::ivec3_type, &data);
+ var->constant_initializer =
+ new(var) ir_constant(glsl_type::ivec3_type, &data);
+ var->data.has_initializer = true;
return var;
}
*/
if (state->is_version(0, 300)) {
add_const("gl_MaxVertexOutputVectors",
- state->ctx->Const.VertexProgram.MaxOutputComponents / 4);
+ state->ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4);
add_const("gl_MaxFragmentInputVectors",
- state->ctx->Const.FragmentProgram.MaxInputComponents / 4);
+ state->ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents / 4);
} else {
add_const("gl_MaxVaryingVectors",
state->ctx->Const.MaxVarying);
add_const("gl_MaxVaryingComponents", state->ctx->Const.MaxVarying * 4);
}
+ if (state->is_version(150, 0)) {
+ add_const("gl_MaxVertexOutputComponents",
+ state->Const.MaxVertexOutputComponents);
+ add_const("gl_MaxGeometryInputComponents",
+ state->Const.MaxGeometryInputComponents);
+ add_const("gl_MaxGeometryOutputComponents",
+ state->Const.MaxGeometryOutputComponents);
+ add_const("gl_MaxFragmentInputComponents",
+ state->Const.MaxFragmentInputComponents);
+ add_const("gl_MaxGeometryTextureImageUnits",
+ state->Const.MaxGeometryTextureImageUnits);
+ add_const("gl_MaxGeometryOutputVertices",
+ state->Const.MaxGeometryOutputVertices);
+ add_const("gl_MaxGeometryTotalOutputComponents",
+ state->Const.MaxGeometryTotalOutputComponents);
+ add_const("gl_MaxGeometryUniformComponents",
+ state->Const.MaxGeometryUniformComponents);
+
+ /* Note: the GLSL 1.50-4.40 specs require
+ * gl_MaxGeometryVaryingComponents to be present, and to be at least 64.
+ * But they do not define what it means (and there does not appear to be
+ * any corresponding constant in the GL specs). However,
+ * ARB_geometry_shader4 defines MAX_GEOMETRY_VARYING_COMPONENTS_ARB to
+ * be the maximum number of components available for use as geometry
+ * outputs. So we assume this is a synonym for
+ * gl_MaxGeometryOutputComponents.
+ */
+ add_const("gl_MaxGeometryVaryingComponents",
+ state->Const.MaxGeometryOutputComponents);
+ }
+
if (compatibility) {
/* Note: gl_MaxLights stopped being listed as an explicit constant in
* GLSL 1.30, however it continues to be referred to (as a minimum size
*/
add_const("gl_MaxTextureCoords", state->Const.MaxTextureCoords);
}
+
+ if (state->has_atomic_counters()) {
+ add_const("gl_MaxVertexAtomicCounters",
+ state->Const.MaxVertexAtomicCounters);
+ add_const("gl_MaxFragmentAtomicCounters",
+ state->Const.MaxFragmentAtomicCounters);
+ add_const("gl_MaxCombinedAtomicCounters",
+ state->Const.MaxCombinedAtomicCounters);
+ add_const("gl_MaxAtomicCounterBindings",
+ state->Const.MaxAtomicBufferBindings);
+
+ /* When Mesa adds support for GL_OES_geometry_shader and
+ * GL_OES_tessellation_shader, this will need to change.
+ */
+ if (!state->es_shader) {
+ add_const("gl_MaxGeometryAtomicCounters",
+ state->Const.MaxGeometryAtomicCounters);
+
+ if (state->is_version(400, 0) ||
+ state->ARB_tessellation_shader_enable) {
+ add_const("gl_MaxTessControlAtomicCounters",
+ state->Const.MaxTessControlAtomicCounters);
+ add_const("gl_MaxTessEvaluationAtomicCounters",
+ state->Const.MaxTessEvaluationAtomicCounters);
+ }
+ }
+ }
+
+ if (state->is_version(420, 310)) {
+ add_const("gl_MaxVertexAtomicCounterBuffers",
+ state->Const.MaxVertexAtomicCounterBuffers);
+ add_const("gl_MaxFragmentAtomicCounterBuffers",
+ state->Const.MaxFragmentAtomicCounterBuffers);
+ add_const("gl_MaxCombinedAtomicCounterBuffers",
+ state->Const.MaxCombinedAtomicCounterBuffers);
+ add_const("gl_MaxAtomicCounterBufferSize",
+ state->Const.MaxAtomicCounterBufferSize);
+
+ /* When Mesa adds support for GL_OES_geometry_shader and
+ * GL_OES_tessellation_shader, this will need to change.
+ */
+ if (!state->es_shader) {
+ add_const("gl_MaxGeometryAtomicCounterBuffers",
+ state->Const.MaxGeometryAtomicCounterBuffers);
+ add_const("gl_MaxTessControlAtomicCounterBuffers",
+ state->Const.MaxTessControlAtomicCounterBuffers);
+ add_const("gl_MaxTessEvaluationAtomicCounterBuffers",
+ state->Const.MaxTessEvaluationAtomicCounterBuffers);
+ }
+ }
+
+ if (state->is_version(430, 0) || state->ARB_compute_shader_enable) {
+ add_const("gl_MaxComputeAtomicCounterBuffers", MAX_COMPUTE_ATOMIC_COUNTER_BUFFERS);
+ add_const("gl_MaxComputeAtomicCounters", MAX_COMPUTE_ATOMIC_COUNTERS);
+ add_const("gl_MaxComputeImageUniforms", MAX_COMPUTE_IMAGE_UNIFORMS);
+ add_const("gl_MaxComputeTextureImageUnits", MAX_COMPUTE_TEXTURE_IMAGE_UNITS);
+ add_const("gl_MaxComputeUniformComponents", MAX_COMPUTE_UNIFORM_COMPONENTS);
+
+ add_const_ivec3("gl_MaxComputeWorkGroupCount",
+ state->Const.MaxComputeWorkGroupCount[0],
+ state->Const.MaxComputeWorkGroupCount[1],
+ state->Const.MaxComputeWorkGroupCount[2]);
+ add_const_ivec3("gl_MaxComputeWorkGroupSize",
+ state->Const.MaxComputeWorkGroupSize[0],
+ state->Const.MaxComputeWorkGroupSize[1],
+ state->Const.MaxComputeWorkGroupSize[2]);
+
+ /* From the GLSL 4.40 spec, section 7.1 (Built-In Language Variables):
+ *
+ * The built-in constant gl_WorkGroupSize is a compute-shader
+ * constant containing the local work-group size of the shader. The
+ * size of the work group in the X, Y, and Z dimensions is stored in
+ * the x, y, and z components. The constants values in
+ * gl_WorkGroupSize will match those specified in the required
+ * local_size_x, local_size_y, and local_size_z layout qualifiers
+ * for the current shader. This is a constant so that it can be
+ * used to size arrays of memory that can be shared within the local
+ * work group. It is a compile-time error to use gl_WorkGroupSize
+ * in a shader that does not declare a fixed local group size, or
+ * before that shader has declared a fixed local group size, using
+ * local_size_x, local_size_y, and local_size_z.
+ *
+ * To prevent the shader from trying to refer to gl_WorkGroupSize before
+ * the layout declaration, we don't define it here. Intead we define it
+ * in ast_cs_input_layout::hir().
+ */
+ }
+
+ if (state->is_version(420, 310) ||
+ state->ARB_shader_image_load_store_enable) {
+ add_const("gl_MaxImageUnits",
+ state->Const.MaxImageUnits);
+ add_const("gl_MaxVertexImageUniforms",
+ state->Const.MaxVertexImageUniforms);
+ add_const("gl_MaxFragmentImageUniforms",
+ state->Const.MaxFragmentImageUniforms);
+ add_const("gl_MaxCombinedImageUniforms",
+ state->Const.MaxCombinedImageUniforms);
+
+ if (!state->es_shader) {
+ add_const("gl_MaxCombinedImageUnitsAndFragmentOutputs",
+ state->Const.MaxCombinedShaderOutputResources);
+ add_const("gl_MaxImageSamples",
+ state->Const.MaxImageSamples);
+ add_const("gl_MaxGeometryImageUniforms",
+ state->Const.MaxGeometryImageUniforms);
+ }
+
+ if (state->is_version(450, 310)) {
+ add_const("gl_MaxCombinedShaderOutputResources",
+ state->Const.MaxCombinedShaderOutputResources);
+ }
+
+ if (state->is_version(400, 0) ||
+ state->ARB_tessellation_shader_enable) {
+ add_const("gl_MaxTessControlImageUniforms",
+ state->Const.MaxTessControlImageUniforms);
+ add_const("gl_MaxTessEvaluationImageUniforms",
+ state->Const.MaxTessEvaluationImageUniforms);
+ }
+ }
+
+ if (state->is_version(410, 0) ||
+ state->ARB_viewport_array_enable)
+ add_const("gl_MaxViewports", state->Const.MaxViewports);
+
+ if (state->is_version(400, 0) ||
+ state->ARB_tessellation_shader_enable) {
+ add_const("gl_MaxPatchVertices", state->Const.MaxPatchVertices);
+ add_const("gl_MaxTessGenLevel", state->Const.MaxTessGenLevel);
+ add_const("gl_MaxTessControlInputComponents", state->Const.MaxTessControlInputComponents);
+ add_const("gl_MaxTessControlOutputComponents", state->Const.MaxTessControlOutputComponents);
+ add_const("gl_MaxTessControlTextureImageUnits", state->Const.MaxTessControlTextureImageUnits);
+ add_const("gl_MaxTessEvaluationInputComponents", state->Const.MaxTessEvaluationInputComponents);
+ add_const("gl_MaxTessEvaluationOutputComponents", state->Const.MaxTessEvaluationOutputComponents);
+ add_const("gl_MaxTessEvaluationTextureImageUnits", state->Const.MaxTessEvaluationTextureImageUnits);
+ add_const("gl_MaxTessPatchComponents", state->Const.MaxTessPatchComponents);
+ add_const("gl_MaxTessControlTotalOutputComponents", state->Const.MaxTessControlTotalOutputComponents);
+ add_const("gl_MaxTessControlUniformComponents", state->Const.MaxTessControlUniformComponents);
+ add_const("gl_MaxTessEvaluationUniformComponents", state->Const.MaxTessEvaluationUniformComponents);
+ }
}
void
builtin_variable_generator::generate_uniforms()
{
+ if (state->is_version(400, 0) || state->ARB_sample_shading_enable)
+ 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");
add_uniform(mat4_t, "gl_ModelViewProjectionMatrixInverseTranspose");
add_uniform(float_t, "gl_NormalScale");
add_uniform(type("gl_LightModelParameters"), "gl_LightModel");
- add_uniform(vec2_t, "gl_BumpRotMatrix0MESA");
- add_uniform(vec2_t, "gl_BumpRotMatrix1MESA");
add_uniform(vec4_t, "gl_FogParamsOptimizedMESA");
const glsl_type *const mat4_array_type =
add_system_value(SYSTEM_VALUE_INSTANCE_ID, int_t, "gl_InstanceID");
if (state->AMD_vertex_shader_layer_enable)
add_output(VARYING_SLOT_LAYER, int_t, "gl_Layer");
+ if (state->AMD_vertex_shader_viewport_index_enable)
+ add_output(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex");
if (compatibility) {
add_input(VERT_ATTRIB_POS, vec4_t, "gl_Vertex");
add_input(VERT_ATTRIB_NORMAL, vec3_t, "gl_Normal");
}
+/**
+ * Generate variables which only exist in tessellation control shaders.
+ */
+void
+builtin_variable_generator::generate_tcs_special_vars()
+{
+ add_system_value(SYSTEM_VALUE_PRIMITIVE_ID, int_t, "gl_PrimitiveID");
+ add_system_value(SYSTEM_VALUE_VERTICES_IN, int_t, "gl_PatchVerticesIn");
+ add_system_value(SYSTEM_VALUE_INVOCATION_ID, int_t, "gl_InvocationID");
+
+ add_output(VARYING_SLOT_TESS_LEVEL_OUTER, array(float_t, 4),
+ "gl_TessLevelOuter")->data.patch = 1;
+ add_output(VARYING_SLOT_TESS_LEVEL_INNER, array(float_t, 2),
+ "gl_TessLevelInner")->data.patch = 1;
+}
+
+
+/**
+ * Generate variables which only exist in tessellation evaluation shaders.
+ */
+void
+builtin_variable_generator::generate_tes_special_vars()
+{
+ add_system_value(SYSTEM_VALUE_PRIMITIVE_ID, int_t, "gl_PrimitiveID");
+ add_system_value(SYSTEM_VALUE_VERTICES_IN, int_t, "gl_PatchVerticesIn");
+ add_system_value(SYSTEM_VALUE_TESS_COORD, vec3_t, "gl_TessCoord");
+ add_system_value(SYSTEM_VALUE_TESS_LEVEL_OUTER, array(float_t, 4),
+ "gl_TessLevelOuter");
+ add_system_value(SYSTEM_VALUE_TESS_LEVEL_INNER, array(float_t, 2),
+ "gl_TessLevelInner");
+}
+
+
/**
* Generate variables which only exist in geometry shaders.
*/
builtin_variable_generator::generate_gs_special_vars()
{
add_output(VARYING_SLOT_LAYER, int_t, "gl_Layer");
+ if (state->is_version(410, 0) || state->ARB_viewport_array_enable)
+ add_output(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex");
+ if (state->is_version(400, 0) || state->ARB_gpu_shader5_enable)
+ add_system_value(SYSTEM_VALUE_INVOCATION_ID, int_t, "gl_InvocationID");
/* Although gl_PrimitiveID appears in tessellation control and tessellation
* evaluation shaders, it has a different function there than it has in
*/
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
ir_variable *const var =
add_output(FRAG_RESULT_STENCIL, int_t, "gl_FragStencilRefARB");
if (state->ARB_shader_stencil_export_warn)
- var->warn_extension = "GL_ARB_shader_stencil_export";
+ var->enable_extension_warning("GL_ARB_shader_stencil_export");
}
if (state->AMD_shader_stencil_export_enable) {
ir_variable *const var =
add_output(FRAG_RESULT_STENCIL, int_t, "gl_FragStencilRefAMD");
if (state->AMD_shader_stencil_export_warn)
- var->warn_extension = "GL_AMD_shader_stencil_export";
+ var->enable_extension_warning("GL_AMD_shader_stencil_export");
+ }
+
+ if (state->is_version(400, 0) || 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->is_version(400, 0) || state->ARB_gpu_shader5_enable) {
+ add_system_value(SYSTEM_VALUE_SAMPLE_MASK_IN, array(int_t, 1), "gl_SampleMaskIn");
+ }
+
+ if (state->is_version(430, 0) || state->ARB_fragment_layer_viewport_enable) {
+ add_input(VARYING_SLOT_LAYER, int_t, "gl_Layer");
+ add_input(VARYING_SLOT_VIEWPORT, int_t, "gl_ViewportIndex");
}
}
+/**
+ * Generate variables which only exist in compute shaders.
+ */
+void
+builtin_variable_generator::generate_cs_special_vars()
+{
+ /* TODO: finish this. */
+}
+
+
/**
* Add a single "varying" variable. The variable's type and direction (input
* or output) are adjusted as appropriate for the type of shader being
const char *name,
const char *name_as_gs_input)
{
- switch (state->target) {
- case geometry_shader:
- assert(this->num_per_vertex_fields <
- ARRAY_SIZE(this->per_vertex_fields));
- this->per_vertex_fields[this->num_per_vertex_fields].type = type;
- this->per_vertex_fields[this->num_per_vertex_fields].name = name;
- this->per_vertex_fields[this->num_per_vertex_fields].row_major = false;
- this->per_vertex_fields[this->num_per_vertex_fields].location = slot;
- this->num_per_vertex_fields++;
+ switch (state->stage) {
+ case MESA_SHADER_TESS_CTRL:
+ case MESA_SHADER_TESS_EVAL:
+ case MESA_SHADER_GEOMETRY:
+ this->per_vertex_in.add_field(slot, type, name);
/* FALLTHROUGH */
- case vertex_shader:
- add_output(slot, type, name);
+ 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;
+ case MESA_SHADER_COMPUTE:
+ /* Compute shaders don't have varyings. */
+ 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->stage != 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->stage == 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) {
- const glsl_type *per_vertex_type =
- glsl_type::get_interface_instance(this->per_vertex_fields,
- this->num_per_vertex_fields,
- GLSL_INTERFACE_PACKING_STD140,
- "gl_in");
- ir_variable *var = add_variable("gl_in", array(per_vertex_type, 0),
- ir_var_shader_in, -1);
- var->init_interface_type(per_vertex_type);
+ /* Section 7.1 (Built-In Language Variables) of the GLSL 4.00 spec
+ * says:
+ *
+ * "In the tessellation control language, built-in variables are
+ * intrinsically declared as:
+ *
+ * in gl_PerVertex {
+ * vec4 gl_Position;
+ * float gl_PointSize;
+ * float gl_ClipDistance[];
+ * } gl_in[gl_MaxPatchVertices];"
+ */
+ if (state->stage == MESA_SHADER_TESS_CTRL ||
+ state->stage == MESA_SHADER_TESS_EVAL) {
+ const glsl_type *per_vertex_in_type =
+ this->per_vertex_in.construct_interface_instance();
+ add_variable("gl_in", array(per_vertex_in_type, state->Const.MaxPatchVertices),
+ ir_var_shader_in, -1);
+ }
+ if (state->stage == 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->stage == MESA_SHADER_TESS_CTRL) {
+ const glsl_type *per_vertex_out_type =
+ this->per_vertex_out.construct_interface_instance();
+ add_variable("gl_out", array(per_vertex_out_type, 0),
+ ir_var_shader_out, -1);
+ }
+ if (state->stage == MESA_SHADER_VERTEX ||
+ state->stage == MESA_SHADER_TESS_EVAL ||
+ state->stage == 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;
+ for (unsigned i = 0; i < per_vertex_out_type->length; i++) {
+ ir_variable *var =
+ add_variable(fields[i].name, fields[i].type, ir_var_shader_out,
+ fields[i].location);
+ var->data.interpolation = fields[i].interpolation;
+ var->data.centroid = fields[i].centroid;
+ var->data.sample = fields[i].sample;
+ var->data.patch = fields[i].patch;
+ var->init_interface_type(per_vertex_out_type);
+ }
}
}
gen.generate_varyings();
- switch (state->target) {
- case vertex_shader:
+ switch (state->stage) {
+ case MESA_SHADER_VERTEX:
gen.generate_vs_special_vars();
break;
- case geometry_shader:
+ case MESA_SHADER_TESS_CTRL:
+ gen.generate_tcs_special_vars();
+ break;
+ case MESA_SHADER_TESS_EVAL:
+ gen.generate_tes_special_vars();
+ break;
+ case MESA_SHADER_GEOMETRY:
gen.generate_gs_special_vars();
break;
- case fragment_shader:
+ case MESA_SHADER_FRAGMENT:
gen.generate_fs_special_vars();
break;
+ case MESA_SHADER_COMPUTE:
+ gen.generate_cs_special_vars();
+ break;
}
}
projects / mesa.git / blobdiff