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Merge pull request #2100 from travisfoo/master

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Fix for #2099: add c interface support for TBuiltInResource and glslang::DefaultTBuiltInResource
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John Kessenich 2020-03-06 00:14:41 -07:00 committed by GitHub
commit aa95c80e1a
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2 changed files with 123 additions and 3 deletions
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11
glslang/CInterface/glslang_c_interface.cpp
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@ -54,6 +54,8 @@ static_assert(int(GLSLANG_TEX_SAMP_TRANS_COUNT) == EShTexSampTransCount, "");
static_assert(int(GLSLANG_MSG_COUNT) == EShMsgCount, "");
static_assert(int(GLSLANG_REFLECTION_COUNT) == EShReflectionCount, "");
static_assert(int(GLSLANG_PROFILE_COUNT) == EProfileCount, "");
static_assert(sizeof(glslang_limits_t) == sizeof(TLimits), "");
static_assert(sizeof(glslang_resource_t) == sizeof(TBuiltInResource), "");
typedef struct glslang_shader_s {
glslang::TShader* shader;
@ -165,6 +167,11 @@ int glslang_initialize_process() { return static_cast<int>(glslang::InitializePr
void glslang_finalize_process() { glslang::FinalizeProcess(); }
const glslang_resource_t* glslang_default_resource(void)
{
return reinterpret_cast<const glslang_resource_t*>(&glslang::DefaultTBuiltInResource);
}
static EShLanguage c_shader_stage(glslang_stage_t stage)
{
switch (stage) {
@ -355,7 +362,7 @@ int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* i
DirStackFileIncluder Includer;
/* TODO: use custom callbacks if they are available in 'i->callbacks' */
return shader->shader->preprocess(
input->resource,
reinterpret_cast<const TBuiltInResource*>(input->resource),
input->default_version,
c_shader_profile(input->default_profile),
input->force_default_version_and_profile != 0,
@ -372,7 +379,7 @@ int glslang_shader_parse(glslang_shader_t* shader, const glslang_input_t* input)
shader->shader->setStrings(&preprocessedCStr, 1);
return shader->shader->parse(
input->resource,
reinterpret_cast<const TBuiltInResource*>(input->resource),
input->default_version,
input->forward_compatible != 0,
(EShMessages)c_shader_messages(input->messages)

115
glslang/Include/glslang_c_interface.h
View File

@ -33,13 +33,124 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef GLSLANG_C_IFACE_H_INCLUDED
#define GLSLANG_C_IFACE_H_INCLUDED
#include <stdbool.h>
#include <stdlib.h>
#include "glslang_c_shader_types.h"
typedef struct glslang_shader_s glslang_shader_t;
typedef struct glslang_program_s glslang_program_t;
typedef struct TBuiltInResource glslang_resource_t;
/* TLimits counterpart */
typedef struct glslang_limits_s {
bool non_inductive_for_loops;
bool while_loops;
bool do_while_loops;
bool general_uniform_indexing;
bool general_attribute_matrix_vector_indexing;
bool general_varying_indexing;
bool general_sampler_indexing;
bool general_variable_indexing;
bool general_constant_matrix_vector_indexing;
} glslang_limits_t;
/* TBuiltInResource counterpart */
typedef struct glslang_resource_s {
int max_lights;
int max_clip_planes;
int max_texture_units;
int max_texture_coords;
int max_vertex_attribs;
int max_vertex_uniform_components;
int max_varying_floats;
int max_vertex_texture_image_units;
int max_combined_texture_image_units;
int max_texture_image_units;
int max_fragment_uniform_components;
int max_draw_buffers;
int max_vertex_uniform_vectors;
int max_varying_vectors;
int max_fragment_uniform_vectors;
int max_vertex_output_vectors;
int max_fragment_input_vectors;
int min_program_texel_offset;
int max_program_texel_offset;
int max_clip_distances;
int max_compute_work_group_count_x;
int max_compute_work_group_count_y;
int max_compute_work_group_count_z;
int max_compute_work_group_size_x;
int max_compute_work_group_size_y;
int max_compute_work_group_size_z;
int max_compute_uniform_components;
int max_compute_texture_image_units;
int max_compute_image_uniforms;
int max_compute_atomic_counters;
int max_compute_atomic_counter_buffers;
int max_varying_components;
int max_vertex_output_components;
int max_geometry_input_components;
int max_geometry_output_components;
int max_fragment_input_components;
int max_image_units;
int max_combined_image_units_and_fragment_outputs;
int max_combined_shader_output_resources;
int max_image_samples;
int max_vertex_image_uniforms;
int max_tess_control_image_uniforms;
int max_tess_evaluation_image_uniforms;
int max_geometry_image_uniforms;
int max_fragment_image_uniforms;
int max_combined_image_uniforms;
int max_geometry_texture_image_units;
int max_geometry_output_vertices;
int max_geometry_total_output_components;
int max_geometry_uniform_components;
int max_geometry_varying_components;
int max_tess_control_input_components;
int max_tess_control_output_components;
int max_tess_control_texture_image_units;
int max_tess_control_uniform_components;
int max_tess_control_total_output_components;
int max_tess_evaluation_input_components;
int max_tess_evaluation_output_components;
int max_tess_evaluation_texture_image_units;
int max_tess_evaluation_uniform_components;
int max_tess_patch_components;
int max_patch_vertices;
int max_tess_gen_level;
int max_viewports;
int max_vertex_atomic_counters;
int max_tess_control_atomic_counters;
int max_tess_evaluation_atomic_counters;
int max_geometry_atomic_counters;
int max_fragment_atomic_counters;
int max_combined_atomic_counters;
int max_atomic_counter_bindings;
int max_vertex_atomic_counter_buffers;
int max_tess_control_atomic_counter_buffers;
int max_tess_evaluation_atomic_counter_buffers;
int max_geometry_atomic_counter_buffers;
int max_fragment_atomic_counter_buffers;
int max_combined_atomic_counter_buffers;
int max_atomic_counter_buffer_size;
int max_transform_feedback_buffers;
int max_transform_feedback_interleaved_components;
int max_cull_distances;
int max_combined_clip_and_cull_distances;
int max_samples;
int max_mesh_output_vertices_nv;
int max_mesh_output_primitives_nv;
int max_mesh_work_group_size_x_nv;
int max_mesh_work_group_size_y_nv;
int max_mesh_work_group_size_z_nv;
int max_task_work_group_size_x_nv;
int max_task_work_group_size_y_nv;
int max_task_work_group_size_z_nv;
int max_mesh_view_count_nv;
glslang_limits_t limits;
} glslang_resource_t;
typedef struct glslang_input_s {
glslang_source_t language;
@ -94,6 +205,8 @@ extern "C" {
int glslang_initialize_process();
void glslang_finalize_process();
const glslang_resource_t* glslang_default_resource(void);
glslang_shader_t* glslang_shader_create(const glslang_input_t* input);
void glslang_shader_delete(glslang_shader_t* shader);
int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* input);