aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/main/shader_query.cpp
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2015-06-15 20:27:26 +0200
committermarha <marha@users.sourceforge.net>2015-06-15 20:27:26 +0200
commite8d5e7c4bb11f7fcb0a4ba5c13f43e7929849a2f (patch)
treea88d66b3d34f8e008f08e2bd77889c6c6718ab11 /mesalib/src/mesa/main/shader_query.cpp
parent0b3be550b20ad9f991f77bf979b2c306a7d4ef11 (diff)
downloadvcxsrv-e8d5e7c4bb11f7fcb0a4ba5c13f43e7929849a2f.tar.gz
vcxsrv-e8d5e7c4bb11f7fcb0a4ba5c13f43e7929849a2f.tar.bz2
vcxsrv-e8d5e7c4bb11f7fcb0a4ba5c13f43e7929849a2f.zip
fontconfig libX11 libxcb xcb-proto mesa pixman xserver xkeyboard-config git update 15 June 2015release/external
xserver commit fa12f2c150b2f50de9dac4a2b09265f13af353af libxcb commit f85661c3bca97faa72431df92a3867be39a74e23 libxcb/xcb-proto commit fef8a4cdc2cacd9541a656026371a3d338dadb8e xkeyboard-config commit 61fb58a95a071cc1c212f6d3808908c086219fe0 libX11 commit f0286b2770ece10aef5e2e8c004260217f12fd25 pixman commit eebc1b78200aff075dbcae9c8d00edad1f830d91 fontconfig commit f6d61c9beed856a925bd60c025b55284b2d88161 mesa commit 932d1613d1e15ec22555e5ec09105c49eb850e36
Diffstat (limited to 'mesalib/src/mesa/main/shader_query.cpp')
-rw-r--r--mesalib/src/mesa/main/shader_query.cpp25
1 files changed, 24 insertions, 1 deletions
diff --git a/mesalib/src/mesa/main/shader_query.cpp b/mesalib/src/mesa/main/shader_query.cpp
index 3445f89a3..a6246a39a 100644
--- a/mesalib/src/mesa/main/shader_query.cpp
+++ b/mesalib/src/mesa/main/shader_query.cpp
@@ -479,12 +479,20 @@ _mesa_GetFragDataLocation(GLuint program, const GLchar *name)
const char*
_mesa_program_resource_name(struct gl_program_resource *res)
{
+ const ir_variable *var;
switch (res->Type) {
case GL_UNIFORM_BLOCK:
return RESOURCE_UBO(res)->Name;
case GL_TRANSFORM_FEEDBACK_VARYING:
return RESOURCE_XFB(res)->Name;
case GL_PROGRAM_INPUT:
+ var = RESOURCE_VAR(res);
+ /* Special case gl_VertexIDMESA -> gl_VertexID. */
+ if (var->data.mode == ir_var_system_value &&
+ var->data.location == SYSTEM_VALUE_VERTEX_ID_ZERO_BASE) {
+ return "gl_VertexID";
+ }
+ /* fallthrough */
case GL_PROGRAM_OUTPUT:
return RESOURCE_VAR(res)->name;
case GL_UNIFORM:
@@ -539,6 +547,17 @@ struct gl_program_resource *
_mesa_program_resource_find_name(struct gl_shader_program *shProg,
GLenum programInterface, const char *name)
{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *full_name = name;
+
+ /* When context has 'VertexID_is_zero_based' set, gl_VertexID has been
+ * lowered to gl_VertexIDMESA.
+ */
+ if (name && ctx->Const.VertexID_is_zero_based) {
+ if (strcmp(name, "gl_VertexID") == 0)
+ full_name = "gl_VertexIDMESA";
+ }
+
struct gl_program_resource *res = shProg->ProgramResourceList;
for (unsigned i = 0; i < shProg->NumProgramResourceList; i++, res++) {
if (res->Type != programInterface)
@@ -563,7 +582,7 @@ _mesa_program_resource_find_name(struct gl_shader_program *shProg,
break;
case GL_PROGRAM_INPUT:
case GL_PROGRAM_OUTPUT:
- if (array_index_of_resource(res, name) >= 0)
+ if (array_index_of_resource(res, full_name) >= 0)
return res;
break;
default:
@@ -728,6 +747,10 @@ program_resource_location(struct gl_shader_program *shProg,
return -1;
}
+ /* Built-in locations should report GL_INVALID_INDEX. */
+ if (is_gl_identifier(name))
+ return GL_INVALID_INDEX;
+
/* VERT_ATTRIB_GENERIC0 and FRAG_RESULT_DATA0 are decremented as these
* offsets are used internally to differentiate between built-in attributes
* and user-defined attributes.