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-rw-r--r--src/glsl/glsl_parser_extras.cpp112
-rw-r--r--src/glsl/glsl_parser_extras.h6
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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 19:56:02 +0000