mirror of
https://git.ffmpeg.org/ffmpeg.git
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281 lines
10 KiB
C
281 lines
10 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <pthread.h>
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#include <glslang/build_info.h>
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#include <glslang/Include/glslang_c_interface.h>
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#include "mem.h"
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#include "avassert.h"
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static pthread_mutex_t glslc_mutex = PTHREAD_MUTEX_INITIALIZER;
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static int glslc_refcount = 0;
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static const glslang_resource_t glslc_resource_limits = {
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.max_lights = 32,
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.max_clip_planes = 6,
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.max_texture_units = 32,
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.max_texture_coords = 32,
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.max_vertex_attribs = 64,
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.max_vertex_uniform_components = 4096,
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.max_varying_floats = 64,
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.max_vertex_texture_image_units = 32,
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.max_combined_texture_image_units = 80,
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.max_texture_image_units = 32,
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.max_fragment_uniform_components = 4096,
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.max_draw_buffers = 32,
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.max_vertex_uniform_vectors = 128,
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.max_varying_vectors = 8,
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.max_fragment_uniform_vectors = 16,
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.max_vertex_output_vectors = 16,
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.max_fragment_input_vectors = 15,
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.min_program_texel_offset = -8,
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.max_program_texel_offset = 7,
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.max_clip_distances = 8,
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.max_compute_work_group_count_x = 65535,
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.max_compute_work_group_count_y = 65535,
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.max_compute_work_group_count_z = 65535,
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.max_compute_work_group_size_x = 1024,
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.max_compute_work_group_size_y = 1024,
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.max_compute_work_group_size_z = 64,
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.max_compute_uniform_components = 1024,
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.max_compute_texture_image_units = 16,
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.max_compute_image_uniforms = 8,
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.max_compute_atomic_counters = 8,
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.max_compute_atomic_counter_buffers = 1,
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.max_varying_components = 60,
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.max_vertex_output_components = 64,
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.max_geometry_input_components = 64,
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.max_geometry_output_components = 128,
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.max_fragment_input_components = 128,
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.max_image_units = 8,
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.max_combined_image_units_and_fragment_outputs = 8,
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.max_combined_shader_output_resources = 8,
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.max_image_samples = 0,
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.max_vertex_image_uniforms = 0,
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.max_tess_control_image_uniforms = 0,
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.max_tess_evaluation_image_uniforms = 0,
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.max_geometry_image_uniforms = 0,
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.max_fragment_image_uniforms = 8,
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.max_combined_image_uniforms = 8,
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.max_geometry_texture_image_units = 16,
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.max_geometry_output_vertices = 256,
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.max_geometry_total_output_components = 1024,
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.max_geometry_uniform_components = 1024,
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.max_geometry_varying_components = 64,
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.max_tess_control_input_components = 128,
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.max_tess_control_output_components = 128,
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.max_tess_control_texture_image_units = 16,
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.max_tess_control_uniform_components = 1024,
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.max_tess_control_total_output_components = 4096,
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.max_tess_evaluation_input_components = 128,
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.max_tess_evaluation_output_components = 128,
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.max_tess_evaluation_texture_image_units = 16,
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.max_tess_evaluation_uniform_components = 1024,
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.max_tess_patch_components = 120,
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.max_patch_vertices = 32,
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.max_tess_gen_level = 64,
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.max_viewports = 16,
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.max_vertex_atomic_counters = 0,
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.max_tess_control_atomic_counters = 0,
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.max_tess_evaluation_atomic_counters = 0,
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.max_geometry_atomic_counters = 0,
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.max_fragment_atomic_counters = 8,
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.max_combined_atomic_counters = 8,
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.max_atomic_counter_bindings = 1,
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.max_vertex_atomic_counter_buffers = 0,
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.max_tess_control_atomic_counter_buffers = 0,
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.max_tess_evaluation_atomic_counter_buffers = 0,
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.max_geometry_atomic_counter_buffers = 0,
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.max_fragment_atomic_counter_buffers = 1,
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.max_combined_atomic_counter_buffers = 1,
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.max_atomic_counter_buffer_size = 16384,
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.max_transform_feedback_buffers = 4,
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.max_transform_feedback_interleaved_components = 64,
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.max_cull_distances = 8,
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.max_combined_clip_and_cull_distances = 8,
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.max_samples = 4,
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.max_mesh_output_vertices_nv = 256,
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.max_mesh_output_primitives_nv = 512,
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.max_mesh_work_group_size_x_nv = 32,
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.max_mesh_work_group_size_y_nv = 1,
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.max_mesh_work_group_size_z_nv = 1,
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.max_task_work_group_size_x_nv = 32,
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.max_task_work_group_size_y_nv = 1,
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.max_task_work_group_size_z_nv = 1,
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.max_mesh_view_count_nv = 4,
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.maxDualSourceDrawBuffersEXT = 1,
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.limits = {
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.non_inductive_for_loops = 1,
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.while_loops = 1,
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.do_while_loops = 1,
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.general_uniform_indexing = 1,
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.general_attribute_matrix_vector_indexing = 1,
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.general_varying_indexing = 1,
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.general_sampler_indexing = 1,
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.general_variable_indexing = 1,
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.general_constant_matrix_vector_indexing = 1,
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}
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};
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static int glslc_shader_compile(FFVkSPIRVCompiler *ctx, void *avctx,
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FFVkSPIRVShader *shd, uint8_t **data,
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size_t *size, const char *entrypoint,
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void **opaque)
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{
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const char *messages;
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glslang_shader_t *glslc_shader;
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glslang_program_t *glslc_program;
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static const glslang_stage_t glslc_stage[] = {
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[VK_SHADER_STAGE_VERTEX_BIT] = GLSLANG_STAGE_VERTEX,
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[VK_SHADER_STAGE_FRAGMENT_BIT] = GLSLANG_STAGE_FRAGMENT,
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[VK_SHADER_STAGE_COMPUTE_BIT] = GLSLANG_STAGE_COMPUTE,
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};
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const glslang_input_t glslc_input = {
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.language = GLSLANG_SOURCE_GLSL,
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.stage = glslc_stage[shd->shader.stage],
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.client = GLSLANG_CLIENT_VULKAN,
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/* GLSLANG_TARGET_VULKAN_1_2 before 11.6 resulted in targeting 1.0 */
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#if (((GLSLANG_VERSION_MAJOR) > 11) || ((GLSLANG_VERSION_MAJOR) == 11 && \
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(((GLSLANG_VERSION_MINOR) > 6) || ((GLSLANG_VERSION_MINOR) == 6 && \
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((GLSLANG_VERSION_PATCH) > 0)))))
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.client_version = GLSLANG_TARGET_VULKAN_1_2,
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.target_language_version = GLSLANG_TARGET_SPV_1_5,
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#else
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.client_version = GLSLANG_TARGET_VULKAN_1_1,
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.target_language_version = GLSLANG_TARGET_SPV_1_3,
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#endif
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.target_language = GLSLANG_TARGET_SPV,
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.code = shd->src.str,
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.default_version = 460,
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.default_profile = GLSLANG_NO_PROFILE,
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.force_default_version_and_profile = false,
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.forward_compatible = false,
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.messages = GLSLANG_MSG_DEFAULT_BIT,
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.resource = &glslc_resource_limits,
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};
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av_assert0(glslc_refcount);
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if (!(glslc_shader = glslang_shader_create(&glslc_input)))
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return AVERROR(ENOMEM);
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if (!glslang_shader_preprocess(glslc_shader, &glslc_input)) {
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ff_vk_print_shader(avctx, shd, AV_LOG_WARNING);
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av_log(avctx, AV_LOG_ERROR, "Unable to preprocess shader: %s (%s)!\n",
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glslang_shader_get_info_log(glslc_shader),
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glslang_shader_get_info_debug_log(glslc_shader));
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glslang_shader_delete(glslc_shader);
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return AVERROR(EINVAL);
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}
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if (!glslang_shader_parse(glslc_shader, &glslc_input)) {
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ff_vk_print_shader(avctx, shd, AV_LOG_WARNING);
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av_log(avctx, AV_LOG_ERROR, "Unable to parse shader: %s (%s)!\n",
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glslang_shader_get_info_log(glslc_shader),
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glslang_shader_get_info_debug_log(glslc_shader));
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glslang_shader_delete(glslc_shader);
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return AVERROR(EINVAL);
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}
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if (!(glslc_program = glslang_program_create())) {
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glslang_shader_delete(glslc_shader);
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return AVERROR(EINVAL);
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}
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glslang_program_add_shader(glslc_program, glslc_shader);
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if (!glslang_program_link(glslc_program, GLSLANG_MSG_SPV_RULES_BIT |
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GLSLANG_MSG_VULKAN_RULES_BIT)) {
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ff_vk_print_shader(avctx, shd, AV_LOG_WARNING);
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av_log(avctx, AV_LOG_ERROR, "Unable to link shader: %s (%s)!\n",
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glslang_program_get_info_log(glslc_program),
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glslang_program_get_info_debug_log(glslc_program));
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glslang_program_delete(glslc_program);
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glslang_shader_delete(glslc_shader);
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return AVERROR(EINVAL);
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}
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glslang_program_SPIRV_generate(glslc_program, glslc_input.stage);
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messages = glslang_program_SPIRV_get_messages(glslc_program);
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if (messages) {
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ff_vk_print_shader(avctx, shd, AV_LOG_WARNING);
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av_log(avctx, AV_LOG_WARNING, "%s\n", messages);
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} else {
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ff_vk_print_shader(avctx, shd, AV_LOG_VERBOSE);
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}
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glslang_shader_delete(glslc_shader);
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*size = glslang_program_SPIRV_get_size(glslc_program) * sizeof(unsigned int);
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*data = (void *)glslang_program_SPIRV_get_ptr(glslc_program);
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*opaque = glslc_program;
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return 0;
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}
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static void glslc_shader_free(FFVkSPIRVCompiler *ctx, void **opaque)
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{
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if (!opaque || !*opaque)
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return;
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av_assert0(glslc_refcount);
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glslang_program_delete(*opaque);
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*opaque = NULL;
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}
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static void glslc_uninit(FFVkSPIRVCompiler **ctx)
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{
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if (!ctx || !*ctx)
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return;
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pthread_mutex_lock(&glslc_mutex);
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if (glslc_refcount && (--glslc_refcount == 0))
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glslang_finalize_process();
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pthread_mutex_unlock(&glslc_mutex);
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av_freep(ctx);
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}
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static FFVkSPIRVCompiler *ff_vk_glslang_init(void)
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{
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FFVkSPIRVCompiler *ret = av_mallocz(sizeof(*ret));
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if (!ret)
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return NULL;
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ret->compile_shader = glslc_shader_compile;
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ret->free_shader = glslc_shader_free;
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ret->uninit = glslc_uninit;
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pthread_mutex_lock(&glslc_mutex);
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if (!glslc_refcount++) {
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if (!glslang_initialize_process()) {
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av_freep(&ret);
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glslc_refcount--;
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}
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}
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pthread_mutex_unlock(&glslc_mutex);
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return ret;
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}
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