this->reladdr2 = NULL;
this->has_index2 = false;
this->double_reg2 = false;
+ this->array_id = 0;
}
st_src_reg(gl_register_file file, int index, int type)
this->reladdr2 = NULL;
this->has_index2 = false;
this->double_reg2 = false;
+ this->array_id = 0;
}
st_src_reg(gl_register_file file, int index, int type, int index2D)
this->reladdr2 = NULL;
this->has_index2 = false;
this->double_reg2 = false;
+ this->array_id = 0;
}
st_src_reg()
this->reladdr2 = NULL;
this->has_index2 = false;
this->double_reg2 = false;
+ this->array_id = 0;
}
explicit st_src_reg(st_dst_reg reg);
* currently used for input mapping only.
*/
bool double_reg2;
+ unsigned array_id;
};
class st_dst_reg {
this->reladdr2 = NULL;
this->has_index2 = false;
this->double_reg2 = false;
+ this->array_id = 0;
}
st_dst_reg::st_dst_reg(st_src_reg reg)
this->writemask = WRITEMASK_XYZW;
this->cond_mask = COND_TR;
this->reladdr = reg.reladdr;
+ assert(reg.array_id == 0);
}
class glsl_to_tgsi_instruction : public exec_node {
class variable_storage : public exec_node {
public:
- variable_storage(ir_variable *var, gl_register_file file, int index)
- : file(file), index(index), var(var)
+ variable_storage(ir_variable *var, gl_register_file file, int index,
+ unsigned array_id = 0)
+ : file(file), index(index), var(var), array_id(array_id)
{
/* empty */
}
gl_register_file file;
int index;
ir_variable *var; /* variable that maps to this, if any */
+ unsigned array_id;
};
class immediate_storage : public exec_node {
static st_src_reg undef_src = st_src_reg(PROGRAM_UNDEFINED, 0, GLSL_TYPE_ERROR);
static st_dst_reg undef_dst = st_dst_reg(PROGRAM_UNDEFINED, SWIZZLE_NOOP, GLSL_TYPE_ERROR);
+struct array_decl {
+ unsigned mesa_index;
+ unsigned array_id;
+ unsigned array_size;
+};
+
struct glsl_to_tgsi_visitor : public ir_visitor {
public:
glsl_to_tgsi_visitor();
unsigned max_num_arrays;
unsigned next_array;
+ struct array_decl input_arrays[PIPE_MAX_SHADER_INPUTS];
+ unsigned num_input_arrays;
+
int num_address_regs;
int samplers_used;
bool indirect_addr_consts;
this->result = src;
}
+/* Test if the variable is an array. Note that geometry and
+ * tessellation shader inputs are outputs are always arrays (except
+ * for patch inputs), so only the array element type is considered.
+ */
+static bool
+is_inout_array(unsigned stage, ir_variable *var, bool *is_2d)
+{
+ const glsl_type *type = var->type;
+
+ if ((stage == MESA_SHADER_VERTEX && var->data.mode == ir_var_shader_in) ||
+ (stage == MESA_SHADER_FRAGMENT && var->data.mode == ir_var_shader_out))
+ return false;
+
+ *is_2d = false;
+
+ if (stage == MESA_SHADER_GEOMETRY && var->data.mode == ir_var_shader_in) {
+ if (!var->type->is_array())
+ return false; /* a system value probably */
+
+ type = var->type->fields.array;
+ *is_2d = true;
+ }
+
+ return type->is_array() || type->is_matrix();
+}
+
void
glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
{
variable_storage *entry = find_variable_storage(ir->var);
ir_variable *var = ir->var;
+ bool is_2d;
if (!entry) {
switch (var->data.mode) {
* user-defined varyings.
*/
assert(var->data.location != -1);
- entry = new(mem_ctx) variable_storage(var,
- PROGRAM_INPUT,
- var->data.location);
+
+ if (is_inout_array(shader->Stage, var, &is_2d)) {
+ struct array_decl *decl = &input_arrays[num_input_arrays];
+
+ decl->mesa_index = var->data.location;
+ decl->array_id = num_input_arrays + 1;
+ if (is_2d)
+ decl->array_size = type_size(var->type->fields.array);
+ else
+ decl->array_size = type_size(var->type);
+ num_input_arrays++;
+
+ entry = new(mem_ctx) variable_storage(var,
+ PROGRAM_INPUT,
+ var->data.location,
+ decl->array_id);
+ }
+ else {
+ entry = new(mem_ctx) variable_storage(var,
+ PROGRAM_INPUT,
+ var->data.location);
+ }
+ this->variables.push_tail(entry);
break;
case ir_var_shader_out:
assert(var->data.location != -1);
}
this->result = st_src_reg(entry->file, entry->index, var->type);
+ this->result.array_id = entry->array_id;
if (!native_integers)
this->result.type = GLSL_TYPE_FLOAT;
}
+static void
+shrink_array_declarations(struct array_decl *arrays, unsigned count,
+ GLbitfield64 usage_mask)
+{
+ unsigned i, j;
+
+ /* Fix array declarations by removing unused array elements at both ends
+ * of the arrays. For example, mat4[3] where only mat[1] is used.
+ */
+ for (i = 0; i < count; i++) {
+ struct array_decl *decl = &arrays[i];
+
+ /* Shrink the beginning. */
+ for (j = 0; j < decl->array_size; j++) {
+ if (usage_mask & BITFIELD64_BIT(decl->mesa_index+j))
+ break;
+
+ decl->mesa_index++;
+ decl->array_size--;
+ j--;
+ }
+
+ /* Shrink the end. */
+ for (j = decl->array_size-1; j >= 0; j--) {
+ if (usage_mask & BITFIELD64_BIT(decl->mesa_index+j))
+ break;
+
+ decl->array_size--;
+ }
+ }
+}
+
void
glsl_to_tgsi_visitor::visit(ir_dereference_array *ir)
{
array_sizes = NULL;
max_num_arrays = 0;
next_array = 0;
+ num_input_arrays = 0;
next_signature_id = 1;
num_immediates = 0;
current_function = NULL;
inst->src[r].index2D = first->src[0].index2D;
inst->src[r].has_index2 = first->src[0].has_index2;
inst->src[r].double_reg2 = first->src[0].double_reg2;
+ inst->src[r].array_id = first->src[0].array_id;
int swizzle = 0;
for (int i = 0; i < 4; i++) {
struct ureg_src systemValues[SYSTEM_VALUE_MAX];
struct tgsi_texture_offset tex_offsets[MAX_GLSL_TEXTURE_OFFSET];
unsigned *array_sizes;
+ struct array_decl *input_arrays;
const GLuint *inputMapping;
const GLuint *outputMapping;
* map back to the original index and add the offset after
* mapping. */
index -= double_reg2;
- assert(t->inputMapping[index] < ARRAY_SIZE(t->inputs));
- return t->inputs[t->inputMapping[index] + double_reg2];
+ if (!reg->array_id) {
+ assert(t->inputMapping[index] < ARRAY_SIZE(t->inputs));
+ assert(t->inputs[t->inputMapping[index]].File != TGSI_FILE_NULL);
+ return t->inputs[t->inputMapping[index]];
+ }
+ else {
+ struct array_decl *decl = &t->input_arrays[reg->array_id-1];
+ unsigned mesa_index = decl->mesa_index;
+ int slot = t->inputMapping[mesa_index];
+
+ assert(slot != -1 && t->inputs[slot].File == TGSI_FILE_INPUT);
+ assert(t->inputs[slot].ArrayID == reg->array_id);
+ return ureg_src_array_offset(t->inputs[slot], index - mesa_index);
+ }
case PROGRAM_OUTPUT:
assert(t->outputMapping[reg->index] < ARRAY_SIZE(t->outputs));
ureg_MOV(ureg, edge_dst, edge_src);
}
+static bool
+find_array(unsigned attr, struct array_decl *arrays, unsigned count,
+ unsigned *array_id, unsigned *array_size)
+{
+ unsigned i;
+
+ for (i = 0; i < count; i++) {
+ struct array_decl *decl = &arrays[i];
+
+ if (attr == decl->mesa_index) {
+ *array_id = decl->array_id;
+ *array_size = decl->array_size;
+ assert(*array_size);
+ return true;
+ }
+ }
+ return false;
+}
+
/**
* Translate intermediate IR (glsl_to_tgsi_instruction) to TGSI format.
* \param program the program to translate
const struct gl_program *proginfo,
GLuint numInputs,
const GLuint inputMapping[],
+ const GLuint inputSlotToAttr[],
const ubyte inputSemanticName[],
const ubyte inputSemanticIndex[],
const GLuint interpMode[],
/*
* Declare input attributes.
*/
- if (procType == TGSI_PROCESSOR_FRAGMENT) {
+ switch (procType) {
+ case TGSI_PROCESSOR_FRAGMENT:
for (i = 0; i < numInputs; i++) {
- t->inputs[i] = ureg_DECL_fs_input_cyl_centroid(ureg,
- inputSemanticName[i],
- inputSemanticIndex[i],
- interpMode[i], 0,
- interpLocation[i], 0, 1);
+ unsigned array_id = 0;
+ unsigned array_size;
+
+ if (find_array(inputSlotToAttr[i], program->input_arrays,
+ program->num_input_arrays, &array_id, &array_size)) {
+ /* We've found an array. Declare it so. */
+ t->inputs[i] = ureg_DECL_fs_input_cyl_centroid(ureg,
+ inputSemanticName[i], inputSemanticIndex[i],
+ interpMode[i], 0, interpLocation[i],
+ array_id, array_size);
+ i += array_size - 1;
+ }
+ else {
+ t->inputs[i] = ureg_DECL_fs_input_cyl_centroid(ureg,
+ inputSemanticName[i], inputSemanticIndex[i],
+ interpMode[i], 0, interpLocation[i], 0, 1);
+ }
}
+ break;
+ case TGSI_PROCESSOR_GEOMETRY:
+ for (i = 0; i < numInputs; i++) {
+ unsigned array_id = 0;
+ unsigned array_size;
+
+ if (find_array(inputSlotToAttr[i], program->input_arrays,
+ program->num_input_arrays, &array_id, &array_size)) {
+ /* We've found an array. Declare it so. */
+ t->inputs[i] = ureg_DECL_input(ureg, inputSemanticName[i],
+ inputSemanticIndex[i],
+ array_id, array_size);
+ i += array_size - 1;
+ }
+ else {
+ t->inputs[i] = ureg_DECL_input(ureg, inputSemanticName[i],
+ inputSemanticIndex[i], 0, 1);
+ }
+ }
+ break;
+ case TGSI_PROCESSOR_VERTEX:
+ for (i = 0; i < numInputs; i++) {
+ t->inputs[i] = ureg_DECL_vs_input(ureg, i);
+ }
+ break;
+ default:
+ assert(0);
+ }
+ if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (proginfo->InputsRead & VARYING_BIT_POS) {
/* Must do this after setting up t->inputs. */
emit_wpos(st_context(ctx), t, proginfo, ureg,
}
}
else if (procType == TGSI_PROCESSOR_GEOMETRY) {
- for (i = 0; i < numInputs; i++) {
- t->inputs[i] = ureg_DECL_input(ureg,
- inputSemanticName[i],
- inputSemanticIndex[i], 0, 1);
- }
-
for (i = 0; i < numOutputs; i++) {
t->outputs[i] = ureg_DECL_output(ureg,
outputSemanticName[i],
else {
assert(procType == TGSI_PROCESSOR_VERTEX);
- for (i = 0; i < numInputs; i++) {
- t->inputs[i] = ureg_DECL_vs_input(ureg, i);
- }
-
for (i = 0; i < numOutputs; i++) {
t->outputs[i] = ureg_DECL_output(ureg,
outputSemanticName[i],
}
t->array_sizes = program->array_sizes;
+ t->input_arrays = program->input_arrays;
/* Emit constants and uniforms. TGSI uses a single index space for these,
* so we put all the translated regs in t->constants.
prog->NumInstructions = 0;
do_set_program_inouts(shader->ir, prog, shader->Stage);
+ shrink_array_declarations(v->input_arrays, v->num_input_arrays,
+ prog->InputsRead);
count_resources(v, prog);
/* This must be done before the uniform storage is associated. */
projects / mesa.git / commitdiff