Evas GL shaders: Simplify a bit the shaders code

Following raster's change, the Program_Source struct is useless.
This is a big commit, again, but really all is auto-generated.

src/Makefile_Evas.am

@@ -710,7 +710,7 @@ modules/evas/engines/gl_common/shader/evas_gl_shaders_bigendian.x: $(GL_SHADERS_
 	@echo "  SHADERS  $@"
 	@bash $(srcdir)/modules/evas/engines/gl_common/shader/gen_shaders.sh _bigendian
 
-modules/evas/engines/gl_common/shader/evas_gl_enum.x: modules/evas/engines/gl_common/shader/evas_gl_shaders.x
+modules/evas/engines/gl_common/shader/evas_gl_enum.x: modules/evas/engines/gl_common/shader/evas_gl_shaders.x modules/evas/engines/gl_common/shader/evas_gl_shaders_bigendian.x
 
 # NOTE: order here should be equal with modes in file Evas_Eo.h
 GL_SHADERS_3D_GEN = \

src/modules/evas/engines/gl_common/evas_gl_common.h

@@ -54,7 +54,6 @@
 #define SHAD_MASKSAM 8
 
 typedef struct _Evas_GL_Program               Evas_GL_Program;
-typedef struct _Evas_GL_Program_Source        Evas_GL_Program_Source;
 typedef struct _Evas_GL_Shared                Evas_GL_Shared;
 typedef struct _Evas_Engine_GL_Context        Evas_Engine_GL_Context;
 typedef struct _Evas_GL_Texture_Pool          Evas_GL_Texture_Pool;
@@ -105,11 +104,6 @@ struct _Evas_GL_Program
    Eina_Bool reset;
 };
 
-struct _Evas_GL_Program_Source
-{
-   const char *src;
-};
-
 struct _Evas_GL_Shared
 {
    Eina_List          *images;

src/modules/evas/engines/gl_common/evas_gl_shader.c

@@ -143,8 +143,8 @@ _evas_gl_common_shader_program_binary_save(Evas_GL_Program *p,
 
 static int
 _evas_gl_common_shader_program_source_init(Evas_GL_Program *p,
-                                           Evas_GL_Program_Source *vert,
-                                           Evas_GL_Program_Source *frag,
+                                           const char *vert,
+                                           const char *frag,
                                            const char *name)
 {
    GLint ok;
@@ -152,26 +152,24 @@ _evas_gl_common_shader_program_source_init(Evas_GL_Program *p,
    p->vert = glCreateShader(GL_VERTEX_SHADER);
    p->frag = glCreateShader(GL_FRAGMENT_SHADER);
 
-   glShaderSource(p->vert, 1,
-                  (const char **)&(vert->src), NULL);
+   glShaderSource(p->vert, 1, &vert, NULL);
    glCompileShader(p->vert);
    ok = 0;
    glGetShaderiv(p->vert, GL_COMPILE_STATUS, &ok);
    if (!ok)
      {
         gl_compile_link_error(p->vert, "compile vertex shader");
-        ERR("Abort compile of shader vert (%s): %s", name, vert->src);
+        ERR("Abort compile of shader vert (%s): %s", name, vert);
         return 0;
      }
-   glShaderSource(p->frag, 1,
-                  (const char **)&(frag->src), NULL);
+   glShaderSource(p->frag, 1, &frag, NULL);
    glCompileShader(p->frag);
    ok = 0;
    glGetShaderiv(p->frag, GL_COMPILE_STATUS, &ok);
    if (!ok)
      {
         gl_compile_link_error(p->frag, "compile fragment shader");
-        ERR("Abort compile of shader frag (%s): %s", name, frag->src);
+        ERR("Abort compile of shader frag (%s): %s", name, frag);
         return 0;
      }
 
@@ -203,8 +201,8 @@ _evas_gl_common_shader_program_source_init(Evas_GL_Program *p,
    if (!ok)
      {
         gl_compile_link_error(p->prog, "link fragment and vertex shaders");
-        ERR("Abort compile of shader frag (%s): %s", name, frag->src);
-        ERR("Abort compile of shader vert (%s): %s", name, vert->src);
+        ERR("Abort compile of shader frag (%s): %s", name, frag);
+        ERR("Abort compile of shader vert (%s): %s", name, vert);
         return 0;
      }
 

src/modules/evas/engines/gl_common/shader/gen_shaders.sh

@@ -142,17 +142,15 @@ for (( i = 0; i < ${#SHADERS[@]} ; i++ )) ; do
 
     OIFS=$IFS
     IFS=$'\n'
-    printf "static const char ${shdname}_glsl[] =" >> ${OUTPUT}
+    printf "static const char ${shdname}_src[] =" >> ${OUTPUT}
     for line in `cat ${shd}` ; do
       printf "\n   \"${line}\\\n\"" >> ${OUTPUT}
     done
-    printf ";\n" >> ${OUTPUT}
+    printf ";\n\n" >> ${OUTPUT}
     IFS=${OIFS}
-
-    printf "Evas_GL_Program_Source shader_${shdname}_src =\n{\n   ${shdname}_glsl\n};\n\n" >> ${OUTPUT}
   done
 
-  shaders_source="${shaders_source}   { SHADER_${UNAME}, &(shader_${name}_vert_src), &(shader_${name}_frag_src), \"${name}\", SHD_${TYPE}, SHD_${sam}, SHD_${masksam}, ${bgra}, ${mask}, ${nomul}, ${afill} },\n"
+  shaders_source="${shaders_source}   { SHADER_${UNAME}, ${name}_vert_src, ${name}_frag_src, \"${name}\", SHD_${TYPE}, SHD_${sam}, SHD_${masksam}, ${bgra}, ${mask}, ${nomul}, ${afill} },\n"
   shaders_enum="${shaders_enum}   SHADER_${UNAME},\n"
 
   # Bind textures to the programs. Only if there is more than 1 texture.
@@ -167,8 +165,8 @@ done
 printf "
 static const struct {
    Evas_GL_Shader id;
-   Evas_GL_Program_Source *vert;
-   Evas_GL_Program_Source *frag;
+   const char *vert;
+   const char *frag;
    const char *name;
    Shader_Type type;
    Shader_Sampling sam;