From cd8b0d0de3fcb53f6d3ece8ce26d97aaab2c0914 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Wed, 12 Mar 2014 16:40:50 +0100
Subject: mesa xserver xkbcomp git update 12 Mar 2014

xserver          commit 81a4952d3dcab9ca3a1ee399c773f5ac352036c4
xkbcomp          commit d4e02a09258063c6d024c3ccd42d6b22212e6e18
mesa             commit 2c886eba7820f7e3e965dd16b786b0a412d8ef11
---
 mesalib/src/glsl/Makefile.am       |  8 +++++---
 mesalib/src/glsl/ir_uniform.h      |  6 ++++++
 mesalib/src/glsl/link_uniforms.cpp | 35 ++++++++++++++++++++++++-----------
 3 files changed, 35 insertions(+), 14 deletions(-)

(limited to 'mesalib/src/glsl')

diff --git a/mesalib/src/glsl/Makefile.am b/mesalib/src/glsl/Makefile.am
index 27e180e0a..534eaa385 100644
--- a/mesalib/src/glsl/Makefile.am
+++ b/mesalib/src/glsl/Makefile.am
@@ -128,7 +128,9 @@ glsl_compiler_SOURCES = \
 	$(top_srcdir)/src/mesa/program/symbol_table.c \
 	$(GLSL_COMPILER_CXX_FILES)
 
-glsl_compiler_LDADD = libglsl.la
+glsl_compiler_LDADD =					\
+	libglsl.la					\
+	$(PTHREAD_LIBS)
 
 glsl_test_SOURCES = \
 	$(top_srcdir)/src/mesa/main/hash_table.c \
@@ -178,11 +180,11 @@ glsl_lexer.cpp: glsl_lexer.ll
 	$(AM_V_LEX) $(LEX) $(LFLAGS) -o $@ $<
 
 glcpp/glcpp-parse.c glcpp/glcpp-parse.h: glcpp/glcpp-parse.y
-	$(MKDIR_P) $(GLSL_BUILDDIR)/glcpp
+	$(AM_V_at)$(MKDIR_P) glcpp
 	$(AM_V_YACC) $(YACC) $(YFLAGS) -o $@ -p "glcpp_parser_" --defines=$(GLSL_BUILDDIR)/glcpp/glcpp-parse.h $<
 
 glcpp/glcpp-lex.c: glcpp/glcpp-lex.l
-	$(MKDIR_P) $(GLSL_BUILDDIR)/glcpp
+	$(AM_V_at)$(MKDIR_P) glcpp
 	$(AM_V_LEX) $(LEX) $(LFLAGS) -o $@ $<
 
 # Only the parsers (specifically the header files generated at the same time)
diff --git a/mesalib/src/glsl/ir_uniform.h b/mesalib/src/glsl/ir_uniform.h
index 7508f795d..3508509d4 100644
--- a/mesalib/src/glsl/ir_uniform.h
+++ b/mesalib/src/glsl/ir_uniform.h
@@ -178,6 +178,12 @@ struct gl_uniform_storage {
     * an atomic counter.
     */
    int atomic_buffer_index;
+
+   /**
+    * The 'base location' for this uniform in the uniform remap table. For
+    * arrays this is the first element in the array.
+    */
+   unsigned remap_location;
 };
 
 #ifdef __cplusplus
diff --git a/mesalib/src/glsl/link_uniforms.cpp b/mesalib/src/glsl/link_uniforms.cpp
index 1c451e7f5..3fedf313c 100644
--- a/mesalib/src/glsl/link_uniforms.cpp
+++ b/mesalib/src/glsl/link_uniforms.cpp
@@ -799,6 +799,10 @@ link_assign_uniform_locations(struct gl_shader_program *prog)
    prog->UniformStorage = NULL;
    prog->NumUserUniformStorage = 0;
 
+   ralloc_free(prog->UniformRemapTable);
+   prog->UniformRemapTable = NULL;
+   prog->NumUniformRemapTable = 0;
+
    if (prog->UniformHash != NULL) {
       prog->UniformHash->clear();
    } else {
@@ -911,19 +915,28 @@ link_assign_uniform_locations(struct gl_shader_program *prog)
              sizeof(prog->_LinkedShaders[i]->SamplerTargets));
    }
 
-   /* Determine the size of the largest uniform array queryable via
-    * glGetUniformLocation.  Using this as the location scale guarantees that
-    * there is enough "room" for the array index to be stored in the low order
-    * part of the uniform location.  It also makes the locations be more
-    * tightly packed.
-    */
-   unsigned max_array_size = 1;
+   /* Build the uniform remap table that is used to set/get uniform locations */
    for (unsigned i = 0; i < num_user_uniforms; i++) {
-      if (uniforms[i].array_elements > max_array_size)
-         max_array_size = uniforms[i].array_elements;
-   }
 
-   prog->UniformLocationBaseScale = max_array_size;
+      /* how many new entries for this uniform? */
+      const unsigned entries = MAX2(1, uniforms[i].array_elements);
+
+      /* resize remap table to fit new entries */
+      prog->UniformRemapTable =
+         reralloc(prog,
+                  prog->UniformRemapTable,
+                  gl_uniform_storage *,
+                  prog->NumUniformRemapTable + entries);
+
+      /* set pointers for this uniform */
+      for (unsigned j = 0; j < entries; j++)
+         prog->UniformRemapTable[prog->NumUniformRemapTable+j] = &uniforms[i];
+
+      /* set the base location in remap table for the uniform */
+      uniforms[i].remap_location = prog->NumUniformRemapTable;
+
+      prog->NumUniformRemapTable += entries;
+   }
 
 #ifndef NDEBUG
    for (unsigned i = 0; i < num_user_uniforms; i++) {
-- 
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