*/
#include <ctype.h>
+#include "util/strndup.h"
#include "main/core.h"
#include "glsl_symbol_table.h"
#include "glsl_parser_extras.h"
/**
- * Set UsesClipDistance and ClipDistanceArraySize based on the given shader.
+ * Set clip_distance_array_size based on the given shader.
*
* Also check for errors based on incorrect usage of gl_ClipVertex and
* gl_ClipDistance.
*/
static void
analyze_clip_usage(struct gl_shader_program *prog,
- struct gl_shader *shader, GLboolean *UsesClipDistance,
- GLuint *ClipDistanceArraySize)
+ struct gl_shader *shader,
+ GLuint *clip_distance_array_size)
{
- *ClipDistanceArraySize = 0;
+ *clip_distance_array_size = 0;
if (!prog->IsES && prog->Version >= 130) {
/* From section 7.1 (Vertex Shader Special Variables) of the
_mesa_shader_stage_to_string(shader->Stage));
return;
}
- *UsesClipDistance = clip_distance.variable_found();
- ir_variable *clip_distance_var =
- shader->symbols->get_variable("gl_ClipDistance");
- if (clip_distance_var)
- *ClipDistanceArraySize = clip_distance_var->type->length;
- } else {
- *UsesClipDistance = false;
+
+ if (clip_distance.variable_found()) {
+ ir_variable *clip_distance_var =
+ shader->symbols->get_variable("gl_ClipDistance");
+
+ assert(clip_distance_var);
+ *clip_distance_array_size = clip_distance_var->type->length;
+ }
}
}
/**
* Verify that a vertex shader executable meets all semantic requirements.
*
- * Also sets prog->Vert.UsesClipDistance and prog->Vert.ClipDistanceArraySize
- * as a side effect.
+ * Also sets prog->Vert.ClipDistanceArraySize as a side effect.
*
* \param shader Vertex shader executable to be verified
*/
}
}
- analyze_clip_usage(prog, shader, &prog->Vert.UsesClipDistance,
- &prog->Vert.ClipDistanceArraySize);
+ analyze_clip_usage(prog, shader, &prog->Vert.ClipDistanceArraySize);
}
void
if (shader == NULL)
return;
- analyze_clip_usage(prog, shader, &prog->TessEval.UsesClipDistance,
- &prog->TessEval.ClipDistanceArraySize);
+ analyze_clip_usage(prog, shader, &prog->TessEval.ClipDistanceArraySize);
}
/**
* Verify that a geometry shader executable meets all semantic requirements
*
- * Also sets prog->Geom.VerticesIn, prog->Geom.UsesClipDistance, and
- * prog->Geom.ClipDistanceArraySize as a side effect.
+ * Also sets prog->Geom.VerticesIn, and prog->Geom.ClipDistanceArraySize as
+ * a side effect.
*
* \param shader Geometry shader executable to be verified
*/
unsigned num_vertices = vertices_per_prim(prog->Geom.InputType);
prog->Geom.VerticesIn = num_vertices;
- analyze_clip_usage(prog, shader, &prog->Geom.UsesClipDistance,
- &prog->Geom.ClipDistanceArraySize);
+ analyze_clip_usage(prog, shader, &prog->Geom.ClipDistanceArraySize);
}
/**
}
/**
- * Accumulates the array of prog->UniformBlocks and checks that all
+ * Accumulates the array of prog->BufferInterfaceBlocks and checks that all
* definitons of blocks agree on their contents.
*/
static bool
unsigned max_num_uniform_blocks = 0;
for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
if (prog->_LinkedShaders[i])
- max_num_uniform_blocks += prog->_LinkedShaders[i]->NumUniformBlocks;
+ max_num_uniform_blocks += prog->_LinkedShaders[i]->NumBufferInterfaceBlocks;
}
for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
struct gl_shader *sh = prog->_LinkedShaders[i];
- prog->UniformBlockStageIndex[i] = ralloc_array(prog, int,
- max_num_uniform_blocks);
+ prog->InterfaceBlockStageIndex[i] = ralloc_array(prog, int,
+ max_num_uniform_blocks);
for (unsigned int j = 0; j < max_num_uniform_blocks; j++)
- prog->UniformBlockStageIndex[i][j] = -1;
+ prog->InterfaceBlockStageIndex[i][j] = -1;
if (sh == NULL)
continue;
- for (unsigned int j = 0; j < sh->NumUniformBlocks; j++) {
+ for (unsigned int j = 0; j < sh->NumBufferInterfaceBlocks; j++) {
int index = link_cross_validate_uniform_block(prog,
- &prog->UniformBlocks,
- &prog->NumUniformBlocks,
- &sh->UniformBlocks[j]);
+ &prog->BufferInterfaceBlocks,
+ &prog->NumBufferInterfaceBlocks,
+ &sh->BufferInterfaceBlocks[j]);
if (index == -1) {
linker_error(prog, "uniform block `%s' has mismatching definitions\n",
- sh->UniformBlocks[j].Name);
+ sh->BufferInterfaceBlocks[j].Name);
return false;
}
- prog->UniformBlockStageIndex[i][index] = j;
+ prog->InterfaceBlockStageIndex[i][index] = j;
}
}
virtual ir_visitor_status visit(ir_variable *var)
{
+ const glsl_type *type_without_array;
fixup_type(&var->type, var->data.max_array_access,
var->data.from_ssbo_unsized_array);
+ type_without_array = var->type->without_array();
if (var->type->is_interface()) {
if (interface_contains_unsized_arrays(var->type)) {
const glsl_type *new_type =
var->type = new_type;
var->change_interface_type(new_type);
}
- } else if (var->type->is_array() &&
- var->type->fields.array->is_interface()) {
- if (interface_contains_unsized_arrays(var->type->fields.array)) {
+ } else if (type_without_array->is_interface()) {
+ if (interface_contains_unsized_arrays(type_without_array)) {
const glsl_type *new_type =
- resize_interface_members(var->type->fields.array,
+ resize_interface_members(type_without_array,
var->get_max_ifc_array_access(),
var->is_in_shader_storage_block());
var->change_interface_type(new_type);
/* Link up uniform blocks defined within this stage. */
const unsigned num_uniform_blocks =
- link_uniform_blocks(mem_ctx, prog, shader_list, num_shaders,
+ link_uniform_blocks(mem_ctx, ctx, prog, shader_list, num_shaders,
&uniform_blocks);
if (!prog->LinkStatus)
return NULL;
linked->ir = new(linked) exec_list;
clone_ir_list(mem_ctx, linked->ir, main->ir);
- linked->UniformBlocks = uniform_blocks;
- linked->NumUniformBlocks = num_uniform_blocks;
- ralloc_steal(linked, linked->UniformBlocks);
+ linked->BufferInterfaceBlocks = uniform_blocks;
+ linked->NumBufferInterfaceBlocks = num_uniform_blocks;
+ ralloc_steal(linked, linked->BufferInterfaceBlocks);
link_fs_input_layout_qualifiers(prog, linked, shader_list, num_shaders);
link_tcs_out_layout_qualifiers(prog, linked, shader_list, num_shaders);
if (!ok) {
- ctx->Driver.DeleteShader(ctx, linked);
+ _mesa_delete_shader(ctx, linked);
return NULL;
}
foreach_in_list(ir_instruction, ir, tes->ir) {
ir->accept(&input_resize_visitor);
}
+
+ if (tcs) {
+ /* Convert the gl_PatchVerticesIn system value into a constant, since
+ * the value is known at this point.
+ */
+ foreach_in_list(ir_instruction, ir, tes->ir) {
+ ir_variable *var = ir->as_variable();
+ if (var && var->data.mode == ir_var_system_value &&
+ var->data.location == SYSTEM_VALUE_VERTICES_IN) {
+ void *mem_ctx = ralloc_parent(var);
+ var->data.mode = ir_var_auto;
+ var->data.location = 0;
+ var->constant_value = new(mem_ctx) ir_constant(num_vertices);
+ }
+ }
+ }
}
/**
unsigned blocks[MESA_SHADER_STAGES] = {0};
unsigned total_uniform_blocks = 0;
+ unsigned shader_blocks[MESA_SHADER_STAGES] = {0};
+ unsigned total_shader_storage_blocks = 0;
- for (unsigned i = 0; i < prog->NumUniformBlocks; i++) {
- if (prog->UniformBlocks[i].UniformBufferSize > ctx->Const.MaxUniformBlockSize) {
+ for (unsigned i = 0; i < prog->NumBufferInterfaceBlocks; i++) {
+ /* Don't check SSBOs for Uniform Block Size */
+ if (!prog->BufferInterfaceBlocks[i].IsShaderStorage &&
+ prog->BufferInterfaceBlocks[i].UniformBufferSize > ctx->Const.MaxUniformBlockSize) {
linker_error(prog, "Uniform block %s too big (%d/%d)\n",
- prog->UniformBlocks[i].Name,
- prog->UniformBlocks[i].UniformBufferSize,
+ prog->BufferInterfaceBlocks[i].Name,
+ prog->BufferInterfaceBlocks[i].UniformBufferSize,
ctx->Const.MaxUniformBlockSize);
}
+ if (prog->BufferInterfaceBlocks[i].IsShaderStorage &&
+ prog->BufferInterfaceBlocks[i].UniformBufferSize > ctx->Const.MaxShaderStorageBlockSize) {
+ linker_error(prog, "Shader storage block %s too big (%d/%d)\n",
+ prog->BufferInterfaceBlocks[i].Name,
+ prog->BufferInterfaceBlocks[i].UniformBufferSize,
+ ctx->Const.MaxShaderStorageBlockSize);
+ }
+
for (unsigned j = 0; j < MESA_SHADER_STAGES; j++) {
- if (prog->UniformBlockStageIndex[j][i] != -1) {
- blocks[j]++;
- total_uniform_blocks++;
+ if (prog->InterfaceBlockStageIndex[j][i] != -1) {
+ struct gl_shader *sh = prog->_LinkedShaders[j];
+ int stage_index = prog->InterfaceBlockStageIndex[j][i];
+ if (sh && sh->BufferInterfaceBlocks[stage_index].IsShaderStorage) {
+ shader_blocks[j]++;
+ total_shader_storage_blocks++;
+ } else {
+ blocks[j]++;
+ total_uniform_blocks++;
+ }
}
}
if (total_uniform_blocks > ctx->Const.MaxCombinedUniformBlocks) {
linker_error(prog, "Too many combined uniform blocks (%d/%d)\n",
- prog->NumUniformBlocks,
+ total_uniform_blocks,
ctx->Const.MaxCombinedUniformBlocks);
} else {
for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
}
}
}
+
+ if (total_shader_storage_blocks > ctx->Const.MaxCombinedShaderStorageBlocks) {
+ linker_error(prog, "Too many combined shader storage blocks (%d/%d)\n",
+ total_shader_storage_blocks,
+ ctx->Const.MaxCombinedShaderStorageBlocks);
+ } else {
+ for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
+ const unsigned max_shader_storage_blocks =
+ ctx->Const.Program[i].MaxShaderStorageBlocks;
+ if (shader_blocks[i] > max_shader_storage_blocks) {
+ linker_error(prog, "Too many %s shader storage blocks (%d/%d)\n",
+ _mesa_shader_stage_to_string(i),
+ shader_blocks[i],
+ max_shader_storage_blocks);
+ break;
+ }
+ }
+ }
}
}
{
unsigned total_image_units = 0;
unsigned fragment_outputs = 0;
+ unsigned total_shader_storage_blocks = 0;
if (!ctx->Extensions.ARB_shader_image_load_store)
return;
total_image_units += sh->NumImages;
+ for (unsigned j = 0; j < prog->NumBufferInterfaceBlocks; j++) {
+ int stage_index = prog->InterfaceBlockStageIndex[i][j];
+ if (stage_index != -1 && sh->BufferInterfaceBlocks[stage_index].IsShaderStorage)
+ total_shader_storage_blocks++;
+ }
+
if (i == MESA_SHADER_FRAGMENT) {
foreach_in_list(ir_instruction, node, sh->ir) {
ir_variable *var = node->as_variable();
if (total_image_units > ctx->Const.MaxCombinedImageUniforms)
linker_error(prog, "Too many combined image uniforms\n");
- if (total_image_units + fragment_outputs >
+ if (total_image_units + fragment_outputs + total_shader_storage_blocks >
ctx->Const.MaxCombinedShaderOutputResources)
- linker_error(prog, "Too many combined image uniforms and fragment outputs\n");
+ linker_error(prog, "Too many combined image uniforms, shader storage "
+ " buffers and fragment outputs\n");
}
foreach_in_list(ir_instruction, node, sh->ir) {
ir_variable *var = node->as_variable();
- if (var && (var->data.mode == ir_var_uniform || var->data.mode == ir_var_shader_storage) &&
- var->data.explicit_location) {
+ if (var && (var->data.mode == ir_var_uniform &&
+ var->data.explicit_location)) {
bool ret;
if (var->type->is_subroutine())
ret = reserve_subroutine_explicit_locations(prog, sh, var);
delete uniform_map;
}
+static bool
+should_add_buffer_variable(struct gl_shader_program *shProg,
+ GLenum type, const char *name)
+{
+ bool found_interface = false;
+ unsigned block_name_len = 0;
+ const char *block_name_dot = strchr(name, '.');
+
+ /* These rules only apply to buffer variables. So we return
+ * true for the rest of types.
+ */
+ if (type != GL_BUFFER_VARIABLE)
+ return true;
+
+ for (unsigned i = 0; i < shProg->NumBufferInterfaceBlocks; i++) {
+ const char *block_name = shProg->BufferInterfaceBlocks[i].Name;
+ block_name_len = strlen(block_name);
+
+ const char *block_square_bracket = strchr(block_name, '[');
+ if (block_square_bracket) {
+ /* The block is part of an array of named interfaces,
+ * for the name comparison we ignore the "[x]" part.
+ */
+ block_name_len -= strlen(block_square_bracket);
+ }
+
+ if (block_name_dot) {
+ /* Check if the variable name starts with the interface
+ * name. The interface name (if present) should have the
+ * length than the interface block name we are comparing to.
+ */
+ unsigned len = strlen(name) - strlen(block_name_dot);
+ if (len != block_name_len)
+ continue;
+ }
+
+ if (strncmp(block_name, name, block_name_len) == 0) {
+ found_interface = true;
+ break;
+ }
+ }
+
+ /* We remove the interface name from the buffer variable name,
+ * including the dot that follows it.
+ */
+ if (found_interface)
+ name = name + block_name_len + 1;
+
+ /* From: ARB_program_interface_query extension:
+ *
+ * "For an active shader storage block member declared as an array, an
+ * entry will be generated only for the first array element, regardless
+ * of its type. For arrays of aggregate types, the enumeration rules are
+ * applied recursively for the single enumerated array element.
+ */
+ const char *struct_first_dot = strchr(name, '.');
+ const char *first_square_bracket = strchr(name, '[');
+
+ /* The buffer variable is on top level and it is not an array */
+ if (!first_square_bracket) {
+ return true;
+ /* The shader storage block member is a struct, then generate the entry */
+ } else if (struct_first_dot && struct_first_dot < first_square_bracket) {
+ return true;
+ } else {
+ /* Shader storage block member is an array, only generate an entry for the
+ * first array element.
+ */
+ if (strncmp(first_square_bracket, "[0]", 3) == 0)
+ return true;
+ }
+
+ return false;
+}
+
static bool
add_program_resource(struct gl_shader_program *prog, GLenum type,
const void *data, uint8_t stages)
if (strncmp(var->name, "packed:", 7) == 0)
continue;
+ /* Skip fragdata arrays, these are handled separately
+ * by add_fragdata_arrays.
+ */
+ if (strncmp(var->name, "gl_out_FragData", 15) == 0)
+ continue;
+
if (!add_program_resource(shProg, programInterface, var,
build_stageref(shProg, var->name,
var->data.mode) | mask))
switch (var->data.mode) {
case ir_var_shader_in:
iface = GL_PROGRAM_INPUT;
+ break;
case ir_var_shader_out:
iface = GL_PROGRAM_OUTPUT;
+ break;
+ default:
+ unreachable("unexpected type");
}
if (!add_program_resource(shProg, iface, var,
build_stageref(shProg, var->name,
return true;
}
+static bool
+add_fragdata_arrays(struct gl_shader_program *shProg)
+{
+ struct gl_shader *sh = shProg->_LinkedShaders[MESA_SHADER_FRAGMENT];
+
+ if (!sh || !sh->fragdata_arrays)
+ return true;
+
+ foreach_in_list(ir_instruction, node, sh->fragdata_arrays) {
+ ir_variable *var = node->as_variable();
+ if (var) {
+ assert(var->data.mode == ir_var_shader_out);
+ if (!add_program_resource(shProg, GL_PROGRAM_OUTPUT, var,
+ 1 << MESA_SHADER_FRAGMENT))
+ return false;
+ }
+ }
+ return true;
+}
+
+static char*
+get_top_level_name(const char *name)
+{
+ const char *first_dot = strchr(name, '.');
+ const char *first_square_bracket = strchr(name, '[');
+ int name_size = 0;
+ /* From ARB_program_interface_query spec:
+ *
+ * "For the property TOP_LEVEL_ARRAY_SIZE, a single integer identifying the
+ * number of active array elements of the top-level shader storage block
+ * member containing to the active variable is written to <params>. If the
+ * top-level block member is not declared as an array, the value one is
+ * written to <params>. If the top-level block member is an array with no
+ * declared size, the value zero is written to <params>.
+ */
+
+ /* The buffer variable is on top level.*/
+ if (!first_square_bracket && !first_dot)
+ name_size = strlen(name);
+ else if ((!first_square_bracket ||
+ (first_dot && first_dot < first_square_bracket)))
+ name_size = first_dot - name;
+ else
+ name_size = first_square_bracket - name;
+
+ return strndup(name, name_size);
+}
+
+static char*
+get_var_name(const char *name)
+{
+ const char *first_dot = strchr(name, '.');
+
+ if (!first_dot)
+ return strdup(name);
+
+ return strndup(first_dot+1, strlen(first_dot) - 1);
+}
+
+static bool
+is_top_level_shader_storage_block_member(const char* name,
+ const char* interface_name,
+ const char* field_name)
+{
+ bool result = false;
+
+ /* If the given variable is already a top-level shader storage
+ * block member, then return array_size = 1.
+ * We could have two possibilities: if we have an instanced
+ * shader storage block or not instanced.
+ *
+ * For the first, we check create a name as it was in top level and
+ * compare it with the real name. If they are the same, then
+ * the variable is already at top-level.
+ *
+ * Full instanced name is: interface name + '.' + var name +
+ * NULL character
+ */
+ int name_length = strlen(interface_name) + 1 + strlen(field_name) + 1;
+ char *full_instanced_name = (char *) calloc(name_length, sizeof(char));
+ if (!full_instanced_name) {
+ fprintf(stderr, "%s: Cannot allocate space for name\n", __func__);
+ return false;
+ }
+
+ snprintf(full_instanced_name, name_length, "%s.%s",
+ interface_name, field_name);
+
+ /* Check if its top-level shader storage block member of an
+ * instanced interface block, or of a unnamed interface block.
+ */
+ if (strcmp(name, full_instanced_name) == 0 ||
+ strcmp(name, field_name) == 0)
+ result = true;
+
+ free(full_instanced_name);
+ return result;
+}
+
+static int
+get_array_size(struct gl_uniform_storage *uni, const glsl_struct_field *field,
+ char *interface_name, char *var_name)
+{
+ /* From GL_ARB_program_interface_query spec:
+ *
+ * "For the property TOP_LEVEL_ARRAY_SIZE, a single integer
+ * identifying the number of active array elements of the top-level
+ * shader storage block member containing to the active variable is
+ * written to <params>. If the top-level block member is not
+ * declared as an array, the value one is written to <params>. If
+ * the top-level block member is an array with no declared size,
+ * the value zero is written to <params>.
+ */
+ if (is_top_level_shader_storage_block_member(uni->name,
+ interface_name,
+ var_name))
+ return 1;
+ else if (field->type->is_unsized_array())
+ return 0;
+ else if (field->type->is_array())
+ return field->type->length;
+
+ return 1;
+}
+
+static int
+get_array_stride(struct gl_uniform_storage *uni, const glsl_type *interface,
+ const glsl_struct_field *field, char *interface_name,
+ char *var_name)
+{
+ /* From GL_ARB_program_interface_query:
+ *
+ * "For the property TOP_LEVEL_ARRAY_STRIDE, a single integer
+ * identifying the stride between array elements of the top-level
+ * shader storage block member containing the active variable is
+ * written to <params>. For top-level block members declared as
+ * arrays, the value written is the difference, in basic machine
+ * units, between the offsets of the active variable for
+ * consecutive elements in the top-level array. For top-level
+ * block members not declared as an array, zero is written to
+ * <params>."
+ */
+ if (field->type->is_array()) {
+ const enum glsl_matrix_layout matrix_layout =
+ glsl_matrix_layout(field->matrix_layout);
+ bool row_major = matrix_layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR;
+ const glsl_type *array_type = field->type->fields.array;
+
+ if (is_top_level_shader_storage_block_member(uni->name,
+ interface_name,
+ var_name))
+ return 0;
+
+ if (interface->interface_packing != GLSL_INTERFACE_PACKING_STD430) {
+ if (array_type->is_record() || array_type->is_array())
+ return glsl_align(array_type->std140_size(row_major), 16);
+ else
+ return MAX2(array_type->std140_base_alignment(row_major), 16);
+ } else {
+ return array_type->std430_array_stride(row_major);
+ }
+ }
+ return 0;
+}
+
+static void
+calculate_array_size_and_stride(struct gl_shader_program *shProg,
+ struct gl_uniform_storage *uni)
+{
+ int block_index = uni->block_index;
+ int array_size = -1;
+ int array_stride = -1;
+ char *var_name = get_top_level_name(uni->name);
+ char *interface_name =
+ get_top_level_name(shProg->BufferInterfaceBlocks[block_index].Name);
+
+ if (strcmp(var_name, interface_name) == 0) {
+ /* Deal with instanced array of SSBOs */
+ char *temp_name = get_var_name(uni->name);
+ if (!temp_name) {
+ linker_error(shProg, "Out of memory during linking.\n");
+ goto write_top_level_array_size_and_stride;
+ }
+ free(var_name);
+ var_name = get_top_level_name(temp_name);
+ free(temp_name);
+ if (!var_name) {
+ linker_error(shProg, "Out of memory during linking.\n");
+ goto write_top_level_array_size_and_stride;
+ }
+ }
+
+ for (unsigned i = 0; i < shProg->NumShaders; i++) {
+ if (shProg->Shaders[i] == NULL)
+ continue;
+
+ const gl_shader *stage = shProg->Shaders[i];
+ foreach_in_list(ir_instruction, node, stage->ir) {
+ ir_variable *var = node->as_variable();
+ if (!var || !var->get_interface_type() ||
+ var->data.mode != ir_var_shader_storage)
+ continue;
+
+ const glsl_type *interface = var->get_interface_type();
+
+ if (strcmp(interface_name, interface->name) != 0)
+ continue;
+
+ for (unsigned i = 0; i < interface->length; i++) {
+ const glsl_struct_field *field = &interface->fields.structure[i];
+ if (strcmp(field->name, var_name) != 0)
+ continue;
+
+ array_stride = get_array_stride(uni, interface, field,
+ interface_name, var_name);
+ array_size = get_array_size(uni, field, interface_name, var_name);
+ goto write_top_level_array_size_and_stride;
+ }
+ }
+ }
+write_top_level_array_size_and_stride:
+ free(interface_name);
+ free(var_name);
+ uni->top_level_array_stride = array_stride;
+ uni->top_level_array_size = array_size;
+}
+
/**
* Builds up a list of program resources that point to existing
* resource data.
if (input_stage == MESA_SHADER_STAGES && output_stage == 0)
return;
- if (!add_packed_varyings(shProg, input_stage))
- return;
- if (!add_packed_varyings(shProg, output_stage))
+ /* Program interface needs to expose varyings in case of SSO. */
+ if (shProg->SeparateShader) {
+ if (!add_packed_varyings(shProg, input_stage))
+ return;
+ if (!add_packed_varyings(shProg, output_stage))
+ return;
+ }
+
+ if (!add_fragdata_arrays(shProg))
return;
/* Add inputs and outputs to the resource list. */
int block_index = shProg->UniformStorage[i].block_index;
if (block_index != -1) {
for (unsigned j = 0; j < MESA_SHADER_STAGES; j++) {
- if (shProg->UniformBlockStageIndex[j][block_index] != -1)
+ if (shProg->InterfaceBlockStageIndex[j][block_index] != -1)
stageref |= (1 << j);
}
}
- if (!add_program_resource(shProg, GL_UNIFORM,
+ bool is_shader_storage = shProg->UniformStorage[i].is_shader_storage;
+ GLenum type = is_shader_storage ? GL_BUFFER_VARIABLE : GL_UNIFORM;
+ if (!should_add_buffer_variable(shProg, type,
+ shProg->UniformStorage[i].name))
+ continue;
+
+ if (is_shader_storage) {
+ calculate_array_size_and_stride(shProg, &shProg->UniformStorage[i]);
+ }
+
+ if (!add_program_resource(shProg, type,
&shProg->UniformStorage[i], stageref))
return;
}
- /* Add program uniform blocks. */
- for (unsigned i = 0; i < shProg->NumUniformBlocks; i++) {
- if (!add_program_resource(shProg, GL_UNIFORM_BLOCK,
- &shProg->UniformBlocks[i], 0))
+ /* Add program uniform blocks and shader storage blocks. */
+ for (unsigned i = 0; i < shProg->NumBufferInterfaceBlocks; i++) {
+ bool is_shader_storage = shProg->BufferInterfaceBlocks[i].IsShaderStorage;
+ GLenum type = is_shader_storage ? GL_SHADER_STORAGE_BLOCK : GL_UNIFORM_BLOCK;
+ if (!add_program_resource(shProg, type,
+ &shProg->BufferInterfaceBlocks[i], 0))
return;
}
continue;
for (int j = MESA_SHADER_VERTEX; j < MESA_SHADER_STAGES; j++) {
- if (!shProg->UniformStorage[i].subroutine[j].active)
+ if (!shProg->UniformStorage[i].opaque[j].active ||
+ !shProg->UniformStorage[i].type->is_subroutine())
continue;
type = _mesa_shader_stage_to_subroutine_uniform((gl_shader_stage)j);
return;
}
}
-
- /* TODO - following extensions will require more resource types:
- *
- * GL_ARB_shader_storage_buffer_object
- */
}
/**
}
}
+static void
+split_ubos_and_ssbos(void *mem_ctx,
+ struct gl_uniform_block *blocks,
+ unsigned num_blocks,
+ struct gl_uniform_block ***ubos,
+ unsigned *num_ubos,
+ struct gl_uniform_block ***ssbos,
+ unsigned *num_ssbos)
+{
+ unsigned num_ubo_blocks = 0;
+ unsigned num_ssbo_blocks = 0;
+
+ for (unsigned i = 0; i < num_blocks; i++) {
+ if (blocks[i].IsShaderStorage)
+ num_ssbo_blocks++;
+ else
+ num_ubo_blocks++;
+ }
+
+ *ubos = ralloc_array(mem_ctx, gl_uniform_block *, num_ubo_blocks);
+ *num_ubos = 0;
+
+ *ssbos = ralloc_array(mem_ctx, gl_uniform_block *, num_ssbo_blocks);
+ *num_ssbos = 0;
+
+ for (unsigned i = 0; i < num_blocks; i++) {
+ if (blocks[i].IsShaderStorage) {
+ (*ssbos)[(*num_ssbos)++] = &blocks[i];
+ } else {
+ (*ubos)[(*num_ubos)++] = &blocks[i];
+ }
+ }
+
+ assert(*num_ubos + *num_ssbos == num_blocks);
+}
+
void
link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
{
for (unsigned int i = 0; i < MESA_SHADER_STAGES; i++) {
if (prog->_LinkedShaders[i] != NULL)
- ctx->Driver.DeleteShader(ctx, prog->_LinkedShaders[i]);
+ _mesa_delete_shader(ctx, prog->_LinkedShaders[i]);
prog->_LinkedShaders[i] = NULL;
}
if (!prog->LinkStatus) {
if (sh)
- ctx->Driver.DeleteShader(ctx, sh);
+ _mesa_delete_shader(ctx, sh);
goto done;
}
}
if (!prog->LinkStatus) {
if (sh)
- ctx->Driver.DeleteShader(ctx, sh);
+ _mesa_delete_shader(ctx, sh);
goto done;
}
}
}
+ /* Split BufferInterfaceBlocks into UniformBlocks and ShaderStorageBlocks
+ * for gl_shader_program and gl_shader, so that drivers that need separate
+ * index spaces for each set can have that.
+ */
+ for (unsigned i = MESA_SHADER_VERTEX; i < MESA_SHADER_STAGES; i++) {
+ if (prog->_LinkedShaders[i] != NULL) {
+ gl_shader *sh = prog->_LinkedShaders[i];
+ split_ubos_and_ssbos(sh,
+ sh->BufferInterfaceBlocks,
+ sh->NumBufferInterfaceBlocks,
+ &sh->UniformBlocks,
+ &sh->NumUniformBlocks,
+ &sh->ShaderStorageBlocks,
+ &sh->NumShaderStorageBlocks);
+ }
+ }
+
+ split_ubos_and_ssbos(prog,
+ prog->BufferInterfaceBlocks,
+ prog->NumBufferInterfaceBlocks,
+ &prog->UniformBlocks,
+ &prog->NumUniformBlocks,
+ &prog->ShaderStorageBlocks,
+ &prog->NumShaderStorageBlocks);
+
/* FINISHME: Assign fragment shader output locations. */
+ for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
+ if (prog->_LinkedShaders[i] == NULL)
+ continue;
+
+ if (ctx->Const.ShaderCompilerOptions[i].LowerBufferInterfaceBlocks)
+ lower_ubo_reference(prog->_LinkedShaders[i]);
+ }
+
done:
for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
free(shader_list[i]);
projects / mesa.git / blobdiff