add c interface support for TBuiltInResource and glslang::DefaultTBuiltInResource

diff --git a/glslang/CInterface/glslang_c_interface.cpp b/glslang/CInterface/glslang_c_interface.cpp
index a05068d..59d509b 100644 (file)
--- a/glslang/CInterface/glslang_c_interface.cpp
+++ b/glslang/CInterface/glslang_c_interface.cpp
@@ -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)

diff --git a/glslang/Include/glslang_c_interface.h b/glslang/Include/glslang_c_interface.h
index 11036be..05c707e 100644 (file)
--- a/glslang/Include/glslang_c_interface.h
+++ b/glslang/Include/glslang_c_interface.h
@@ -39,7 +39,117 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 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 +204,8 @@ 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);