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Refactor GLSL shader compilation

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-Used a more consistent set of keywords for the shader
-Remove all harcoded entry points
-Re-wrote the GLSL shader parser, new system is more flexible. Allows any entry point organization.
-Entry point for sky shaders is now sky().
-Entry point for particle shaders is now process().
This commit is contained in:
reduz 2021-04-13 17:01:43 -03:00
parent 8ce0fb0a94
commit d3b49c416a
64 changed files with 415 additions and 804 deletions
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5
servers/rendering/renderer_rd/renderer_canvas_render_rd.cpp
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@ -2012,6 +2012,9 @@ void RendererCanvasRenderRD::ShaderData::set_code(const String &p_code) {
uses_screen_texture = false;
ShaderCompilerRD::IdentifierActions actions;
actions.entry_point_stages["vertex"] = ShaderCompilerRD::STAGE_VERTEX;
actions.entry_point_stages["fragment"] = ShaderCompilerRD::STAGE_FRAGMENT;
actions.entry_point_stages["light"] = ShaderCompilerRD::STAGE_FRAGMENT;
actions.render_mode_values["blend_add"] = Pair<int *, int>(&blend_mode, BLEND_MODE_ADD);
actions.render_mode_values["blend_mix"] = Pair<int *, int>(&blend_mode, BLEND_MODE_MIX);
@ -2048,7 +2051,7 @@ void RendererCanvasRenderRD::ShaderData::set_code(const String &p_code) {
print_line("\n**fragment_code:\n" + gen_code.fragment);
print_line("\n**light_code:\n" + gen_code.light);
#endif
canvas_singleton->shader.canvas_shader.version_set_code(version, gen_code.uniforms, gen_code.vertex_global, gen_code.vertex, gen_code.fragment_global, gen_code.light, gen_code.fragment, gen_code.defines);
canvas_singleton->shader.canvas_shader.version_set_code(version, gen_code.code, gen_code.uniforms, gen_code.stage_globals[ShaderCompilerRD::STAGE_VERTEX], gen_code.stage_globals[ShaderCompilerRD::STAGE_FRAGMENT], gen_code.defines);
ERR_FAIL_COND(!canvas_singleton->shader.canvas_shader.version_is_valid(version));
ubo_size = gen_code.uniform_total_size;