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authorNanley Chery <[email protected]>2015-09-11 09:59:32 -0700
committerNanley Chery <[email protected]>2015-11-12 13:10:37 -0800
commite5af09f9ba4a2bca256d7cd1087187fd8efe7f00 (patch)
tree81974dcf19ba5b9f97216471ddccefcc28f50208 /src/mesa
parent74e48e95441e5735a03934243abb1051875e053a (diff)
mesa/extensions: Remove array sentinel
Simplify future updates to the extension struct array by removing the sentinel. Signed-off-by: Nanley Chery <[email protected]> Reviewed-by: Chad Versace <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/main/extensions.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 1facad1fa7e..5bf6d20aeae 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -410,8 +410,6 @@ static const struct extension extension_table[] = {
{ "GL_SGIS_texture_edge_clamp", o(dummy_true), GLL, 1997 },
{ "GL_SGIS_texture_lod", o(dummy_true), GLL, 1997 },
{ "GL_SUN_multi_draw_arrays", o(dummy_true), GLL, 1999 },
-
- { 0, 0, 0, 0 },
};
@@ -426,14 +424,14 @@ static const struct extension extension_table[] = {
static size_t
name_to_offset(const char* name)
{
- const struct extension *i;
+ unsigned i;
if (name == 0)
return 0;
- for (i = extension_table; i->name != 0; ++i) {
- if (strcmp(name, i->name) == 0)
- return i->offset;
+ for (i = 0; i < ARRAY_SIZE(extension_table); ++i) {
+ if (strcmp(name, extension_table[i].name) == 0)
+ return extension_table[i].offset;
}
return 0;
@@ -446,15 +444,16 @@ name_to_offset(const char* name)
static void
override_extensions_in_context(struct gl_context *ctx)
{
- const struct extension *i;
+ unsigned i;
const GLboolean *enables =
(GLboolean*) &_mesa_extension_override_enables;
const GLboolean *disables =
(GLboolean*) &_mesa_extension_override_disables;
GLboolean *ctx_ext = (GLboolean*)&ctx->Extensions;
- for (i = extension_table; i->name != 0; ++i) {
- size_t offset = i->offset;
+ for (i = 0; i < ARRAY_SIZE(extension_table); ++i) {
+ size_t offset = extension_table[i].offset;
+
assert(!enables[offset] || !disables[offset]);
if (enables[offset]) {
ctx_ext[offset] = 1;
@@ -778,7 +777,7 @@ _mesa_make_extension_string(struct gl_context *ctx)
/* String of extra extensions. */
char *extra_extensions = get_extension_override(ctx);
GLboolean *base = (GLboolean *) &ctx->Extensions;
- const struct extension *i;
+ unsigned k;
unsigned j;
unsigned maxYear = ~0;
unsigned api_set = (1 << ctx->API);
@@ -799,7 +798,9 @@ _mesa_make_extension_string(struct gl_context *ctx)
/* Compute length of the extension string. */
count = 0;
- for (i = extension_table; i->name != 0; ++i) {
+ for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
+ const struct extension *i = extension_table + k;
+
if (base[i->offset] &&
i->year <= maxYear &&
(i->api_set & api_set)) {
@@ -829,11 +830,13 @@ _mesa_make_extension_string(struct gl_context *ctx)
* expect will fit into that buffer.
*/
j = 0;
- for (i = extension_table; i->name != 0; ++i) {
+ for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
+ const struct extension *i = extension_table + k;
+
if (base[i->offset] &&
i->year <= maxYear &&
(i->api_set & api_set)) {
- extension_indices[j++] = i - extension_table;
+ extension_indices[j++] = k;
}
}
assert(j == count);
@@ -842,7 +845,7 @@ _mesa_make_extension_string(struct gl_context *ctx)
/* Build the extension string.*/
for (j = 0; j < count; ++j) {
- i = &extension_table[extension_indices[j]];
+ const struct extension *i = &extension_table[extension_indices[j]];
assert(base[i->offset] && (i->api_set & api_set));
strcat(exts, i->name);
strcat(exts, " ");
@@ -863,7 +866,7 @@ GLuint
_mesa_get_extension_count(struct gl_context *ctx)
{
GLboolean *base;
- const struct extension *i;
+ unsigned k;
unsigned api_set = (1 << ctx->API);
if (_mesa_is_gles3(ctx))
api_set |= ES3;
@@ -875,7 +878,9 @@ _mesa_get_extension_count(struct gl_context *ctx)
return ctx->Extensions.Count;
base = (GLboolean *) &ctx->Extensions;
- for (i = extension_table; i->name != 0; ++i) {
+ for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
+ const struct extension *i = extension_table + k;
+
if (base[i->offset] && (i->api_set & api_set)) {
ctx->Extensions.Count++;
}
@@ -891,7 +896,7 @@ _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
{
const GLboolean *base;
size_t n;
- const struct extension *i;
+ unsigned k;
unsigned api_set = (1 << ctx->API);
if (_mesa_is_gles3(ctx))
api_set |= ES3;
@@ -900,7 +905,9 @@ _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
base = (GLboolean*) &ctx->Extensions;
n = 0;
- for (i = extension_table; i->name != 0; ++i) {
+ for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
+ const struct extension *i = extension_table + k;
+
if (base[i->offset] && (i->api_set & api_set)) {
if (n == index)
return (const GLubyte*) i->name;