Jeroen Bakker
1b942ef90c
Old implementation has a single parser of many different formats. With the introduction of Vulkan this would lead to another parser in the same function. This patch separates the log parsing using a visitor pattern so the log parsing can be configured per GPU backend or even per driver. With Vulkan we manage the compiler our self so the parsing will become more straight forward. The OpenGL part depends on many factors (OS, Driver) and perhaps even GPU.
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2020 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup gpu
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*/
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#pragma once
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#include "MEM_guardedalloc.h"
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#include "glew-mx.h"
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#include "gpu_shader_private.hh"
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namespace blender {
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namespace gpu {
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/**
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* Implementation of shader compilation and uniforms handling using OpenGL.
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*/
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class GLShader : public Shader {
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private:
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/** Handle for full program (links shader stages below). */
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GLuint shader_program_ = 0;
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/** Individual shader stages. */
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GLuint vert_shader_ = 0;
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GLuint geom_shader_ = 0;
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GLuint frag_shader_ = 0;
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GLuint compute_shader_ = 0;
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/** True if any shader failed to compile. */
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bool compilation_failed_ = false;
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eGPUShaderTFBType transform_feedback_type_ = GPU_SHADER_TFB_NONE;
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public:
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GLShader(const char *name);
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~GLShader();
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/* Return true on success. */
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void vertex_shader_from_glsl(MutableSpan<const char *> sources) override;
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void geometry_shader_from_glsl(MutableSpan<const char *> sources) override;
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void fragment_shader_from_glsl(MutableSpan<const char *> sources) override;
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void compute_shader_from_glsl(MutableSpan<const char *> sources) override;
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bool finalize(void) override;
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void transform_feedback_names_set(Span<const char *> name_list,
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const eGPUShaderTFBType geom_type) override;
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bool transform_feedback_enable(GPUVertBuf *buf) override;
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void transform_feedback_disable(void) override;
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void bind(void) override;
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void unbind(void) override;
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void uniform_float(int location, int comp_len, int array_size, const float *data) override;
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void uniform_int(int location, int comp_len, int array_size, const int *data) override;
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void vertformat_from_shader(GPUVertFormat *format) const override;
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/* DEPRECATED: Kept only because of BGL API. */
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int program_handle_get(void) const override;
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private:
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char *glsl_patch_get(GLenum gl_stage);
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GLuint create_shader_stage(GLenum gl_stage, MutableSpan<const char *> sources);
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MEM_CXX_CLASS_ALLOC_FUNCS("GLShader");
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};
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class GLLogParser : public GPULogParser {
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public:
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char *parse_line(char *log_line, GPULogItem &log_item) override;
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protected:
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char *skip_severity_prefix(char *log_line, GPULogItem &log_item);
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char *skip_severity_keyword(char *log_line, GPULogItem &log_item);
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MEM_CXX_CLASS_ALLOC_FUNCS("GLLogParser");
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};
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} // namespace gpu
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} // namespace blender
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