diff options
| -rw-r--r-- | src/glsl/glsl_parser_extras.cpp | 112 | ||||
| -rw-r--r-- | src/glsl/glsl_parser_extras.h | 6 |
2 files changed, 64 insertions, 54 deletions
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp index 7d826e3a689..df1714850c4 100644 --- a/src/glsl/glsl_parser_extras.cpp +++ b/src/glsl/glsl_parser_extras.cpp @@ -47,6 +47,11 @@ glsl_compute_version_string(void *mem_ctx, bool is_es, unsigned version) version / 100, version % 100); } + +static unsigned known_desktop_glsl_versions[] = + { 110, 120, 130, 140, 150, 330, 400, 410, 420, 430 }; + + _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, GLenum target, void *mem_ctx) : ctx(_ctx) @@ -97,22 +102,51 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, this->Const.MaxDrawBuffers = ctx->Const.MaxDrawBuffers; - const unsigned lowest_version = - (ctx->API == API_OPENGLES2) || ctx->Extensions.ARB_ES2_compatibility - ? 100 : 110; - const unsigned highest_version = - _mesa_is_desktop_gl(ctx) ? ctx->Const.GLSLVersion : 100; - char *supported = ralloc_strdup(this, ""); + /* Populate the list of supported GLSL versions */ + /* FINISHME: Once the OpenGL 3.0 'forward compatible' context or + * the OpenGL 3.2 Core context is supported, this logic will need + * change. Older versions of GLSL are no longer supported + * outside the compatibility contexts of 3.x. + */ + this->num_supported_versions = 0; + if (_mesa_is_desktop_gl(ctx)) { + for (unsigned i = 0; i < ARRAY_SIZE(known_desktop_glsl_versions); i++) { + if (known_desktop_glsl_versions[i] <= ctx->Const.GLSLVersion) { + this->supported_versions[this->num_supported_versions].ver + = known_desktop_glsl_versions[i]; + this->supported_versions[this->num_supported_versions].es = false; + this->num_supported_versions++; + } + } + } + if (ctx->API == API_OPENGLES2 || ctx->Extensions.ARB_ES2_compatibility) { + this->supported_versions[this->num_supported_versions].ver = 100; + this->supported_versions[this->num_supported_versions].es = true; + this->num_supported_versions++; + } + if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) { + this->supported_versions[this->num_supported_versions].ver = 300; + this->supported_versions[this->num_supported_versions].es = true; + this->num_supported_versions++; + } + assert(this->num_supported_versions + <= ARRAY_SIZE(this->supported_versions)); - for (unsigned ver = lowest_version; ver <= highest_version; ver += 10) { - const char *const prefix = (ver == lowest_version) + /* Create a string for use in error messages to tell the user which GLSL + * versions are supported. + */ + char *supported = ralloc_strdup(this, ""); + for (unsigned i = 0; i < this->num_supported_versions; i++) { + unsigned ver = this->supported_versions[i].ver; + const char *const prefix = (i == 0) ? "" - : ((ver == highest_version) ? ", and " : ", "); + : ((i == this->num_supported_versions - 1) ? ", and " : ", "); + const char *const suffix = (this->supported_versions[i].es) ? " ES" : ""; - ralloc_asprintf_append(& supported, "%s%d.%02d%s", + ralloc_asprintf_append(& supported, "%s%u.%02u%s", prefix, ver / 100, ver % 100, - (ver == 100) ? " ES" : ""); + suffix); } this->supported_version_string = supported; @@ -198,58 +232,28 @@ _mesa_glsl_parse_state::process_version_directive(YYLTYPE *locp, int version, } } - bool supported = false; - - if (es_token_present) { - this->es_shader = true; - switch (version) { - case 100: + this->es_shader = es_token_present; + if (version == 100) { + if (es_token_present) { _mesa_glsl_error(locp, this, "GLSL 1.00 ES should be selected using " "`#version 100'\n"); - supported = this->ctx->API == API_OPENGLES2 || - this->ctx->Extensions.ARB_ES2_compatibility; - break; - case 300: - supported = _mesa_is_gles3(this->ctx) || - this->ctx->Extensions.ARB_ES3_compatibility; - break; - default: - supported = false; - break; - } - } else { - switch (version) { - case 100: + } else { this->es_shader = true; - supported = this->ctx->API == API_OPENGLES2 || - this->ctx->Extensions.ARB_ES2_compatibility; - break; - case 110: - case 120: - /* FINISHME: Once the OpenGL 3.0 'forward compatible' context or - * the OpenGL 3.2 Core context is supported, this logic will need - * change. Older versions of GLSL are no longer supported - * outside the compatibility contexts of 3.x. - */ - case 130: - case 140: - case 150: - case 330: - case 400: - case 410: - case 420: - supported = _mesa_is_desktop_gl(this->ctx) && - ((unsigned) version) <= this->ctx->Const.GLSLVersion; - break; - default: - supported = false; - break; } } this->language_version = version; + bool supported = false; + for (unsigned i = 0; i < this->num_supported_versions; i++) { + if (this->supported_versions[i].ver == (unsigned) version + && this->supported_versions[i].es == this->es_shader) { + supported = true; + break; + } + } + if (!supported) { _mesa_glsl_error(locp, this, "%s is not supported. " "Supported versions are: %s\n", diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h index 53df149d871..3ebc27e1a0d 100644 --- a/src/glsl/glsl_parser_extras.h +++ b/src/glsl/glsl_parser_extras.h @@ -148,6 +148,12 @@ struct _mesa_glsl_parse_state { unsigned uniform_block_array_size; struct gl_uniform_block *uniform_blocks; + unsigned num_supported_versions; + struct { + unsigned ver; + bool es; + } supported_versions[12]; + bool es_shader; unsigned language_version; enum _mesa_glsl_parser_targets target; |