mesa: add EXT_dsa (Get)MultiTexEnv functions

Reviewed-by: Marek Olšák <[email protected]>

3 files changed, 175 insertions, 1 deletions

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 7dd39a1bafa..6abb1c29dce 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -581,6 +581,7 @@ typedef enum
    OPCODE_COPY_TEXTURE_SUB_IMAGE1D,
    OPCODE_COPY_TEXTURE_SUB_IMAGE2D,
    OPCODE_COPY_TEXTURE_SUB_IMAGE3D,
+   OPCODE_MULTITEXENV,
    OPCODE_COMPRESSED_TEXTURE_SUB_IMAGE_2D,
 
    /* The following three are meta instructions */
@@ -9906,6 +9907,73 @@ save_CopyTextureSubImage3DEXT(GLuint texture, GLenum target, GLint level,
    }
 }
 
+
+static void GLAPIENTRY
+save_MultiTexEnvfvEXT(GLenum texunit, GLenum target, GLenum pname, const GLfloat *params)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   Node *n;
+   ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
+   n = alloc_instruction(ctx, OPCODE_MULTITEXENV, 7);
+   if (n) {
+      n[1].e = texunit;
+      n[2].e = target;
+      n[3].e = pname;
+      if (pname == GL_TEXTURE_ENV_COLOR) {
+         n[4].f = params[0];
+         n[5].f = params[1];
+         n[6].f = params[2];
+         n[7].f = params[3];
+      }
+      else {
+         n[4].f = params[0];
+         n[5].f = n[6].f = n[7].f = 0.0F;
+      }
+   }
+   if (ctx->ExecuteFlag) {
+      CALL_MultiTexEnvfvEXT(ctx->Exec, (texunit, target, pname, params));
+   }
+}
+
+
+static void GLAPIENTRY
+save_MultiTexEnvfEXT(GLenum texunit, GLenum target, GLenum pname, GLfloat param)
+{
+   GLfloat parray[4];
+   parray[0] = (GLfloat) param;
+   parray[1] = parray[2] = parray[3] = 0.0F;
+   save_MultiTexEnvfvEXT(texunit, target, pname, parray);
+}
+
+
+static void GLAPIENTRY
+save_MultiTexEnviEXT(GLenum texunit, GLenum target, GLenum pname, GLint param)
+{
+   GLfloat p[4];
+   p[0] = (GLfloat) param;
+   p[1] = p[2] = p[3] = 0.0F;
+   save_MultiTexEnvfvEXT(texunit, target, pname, p);
+}
+
+
+static void GLAPIENTRY
+save_MultiTexEnvivEXT(GLenum texunit, GLenum target, GLenum pname, const GLint * param)
+{
+   GLfloat p[4];
+   if (pname == GL_TEXTURE_ENV_COLOR) {
+      p[0] = INT_TO_FLOAT(param[0]);
+      p[1] = INT_TO_FLOAT(param[1]);
+      p[2] = INT_TO_FLOAT(param[2]);
+      p[3] = INT_TO_FLOAT(param[3]);
+   }
+   else {
+      p[0] = (GLfloat) param[0];
+      p[1] = p[2] = p[3] = 0.0F;
+   }
+   save_MultiTexEnvfvEXT(texunit, target, pname, p);
+}
+
+
 static void GLAPIENTRY
 save_CompressedTextureSubImage2DEXT(GLuint texture, GLenum target, GLint level, GLint xoffset,
                                     GLint yoffset, GLsizei width, GLsizei height,
@@ -11634,6 +11702,16 @@ execute_list(struct gl_context *ctx, GLuint list)
                                                       n[7].i, n[8].i, n[9].i,
                                                       n[10].i));
             break;
+         case OPCODE_MULTITEXENV:
+            {
+               GLfloat params[4];
+               params[0] = n[4].f;
+               params[1] = n[5].f;
+               params[2] = n[6].f;
+               params[3] = n[7].f;
+               CALL_MultiTexEnvfvEXT(ctx->Exec, (n[1].e, n[2].e, n[3].e, params));
+            }
+            break;
          case OPCODE_COMPRESSED_TEXTURE_SUB_IMAGE_2D:
             CALL_CompressedTextureSubImage2DEXT(ctx->Exec,
                                                 (n[1].ui, n[2].e, n[3].i, n[4].i,
@@ -12647,6 +12725,10 @@ _mesa_initialize_save_table(const struct gl_context *ctx)
    SET_CopyTextureSubImage1DEXT(table, save_CopyTextureSubImage1DEXT);
    SET_CopyTextureSubImage2DEXT(table, save_CopyTextureSubImage2DEXT);
    SET_CopyTextureSubImage3DEXT(table, save_CopyTextureSubImage3DEXT);
+   SET_MultiTexEnvfEXT(table, save_MultiTexEnvfEXT);
+   SET_MultiTexEnvfvEXT(table, save_MultiTexEnvfvEXT);
+   SET_MultiTexEnviEXT(table, save_MultiTexEnviEXT);
+   SET_MultiTexEnvivEXT(table, save_MultiTexEnvivEXT);
    SET_CompressedTextureSubImage2DEXT(table, save_CompressedTextureSubImage2DEXT);
 }
 
diff --git a/src/mesa/main/texenv.c b/src/mesa/main/texenv.c
index 8274b0b88a8..c9fcce2faf3 100644
--- a/src/mesa/main/texenv.c
+++ b/src/mesa/main/texenv.c
@@ -545,7 +545,6 @@ _mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param )
 }
 
 
-
 void GLAPIENTRY
 _mesa_TexEnvi( GLenum target, GLenum pname, GLint param )
 {
@@ -574,6 +573,59 @@ _mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param )
 }
 
 
+void GLAPIENTRY
+_mesa_MultiTexEnvfEXT( GLenum texunit, GLenum target,
+                       GLenum pname, GLfloat param )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLfloat p[4];
+   p[0] = param;
+   p[1] = p[2] = p[3] = 0.0;
+   _mesa_texenvfv_indexed(ctx, texunit - GL_TEXTURE0, target, pname, p);
+}
+
+void GLAPIENTRY
+_mesa_MultiTexEnvfvEXT( GLenum texunit, GLenum target,
+                        GLenum pname, const GLfloat *param )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   _mesa_texenvfv_indexed(ctx, texunit - GL_TEXTURE0, target, pname, param);
+}
+
+
+void GLAPIENTRY
+_mesa_MultiTexEnviEXT( GLenum texunit, GLenum target,
+                       GLenum pname, GLint param )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLfloat p[4];
+   p[0] = (GLfloat) param;
+   p[1] = p[2] = p[3] = 0.0;
+   _mesa_texenvfv_indexed( ctx, texunit - GL_TEXTURE0, target, pname, p );
+}
+
+
+void GLAPIENTRY
+_mesa_MultiTexEnvivEXT( GLenum texunit, GLenum target,
+                        GLenum pname, const GLint *param )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   GLfloat p[4];
+   if (pname == GL_TEXTURE_ENV_COLOR) {
+      p[0] = INT_TO_FLOAT( param[0] );
+      p[1] = INT_TO_FLOAT( param[1] );
+      p[2] = INT_TO_FLOAT( param[2] );
+      p[3] = INT_TO_FLOAT( param[3] );
+   }
+   else {
+      p[0] = (GLfloat) param[0];
+      p[1] = p[2] = p[3] = 0;  /* init to zero, just to be safe */
+   }
+   _mesa_texenvfv_indexed( ctx, texunit - GL_TEXTURE0, target, pname, p );
+}
+
+
+
 
 /**
  * Helper for glGetTexEnvi/f()
@@ -824,8 +876,24 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
 
 
 void GLAPIENTRY
+_mesa_GetMultiTexEnvfvEXT( GLenum texunit, GLenum target,
+                           GLenum pname, GLfloat *params )
+{
+   _mesa_gettexenvfv_indexed(texunit - GL_TEXTURE0, target, pname, params);
+}
+
+
+void GLAPIENTRY
 _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
 {
    GET_CURRENT_CONTEXT(ctx);
    _mesa_gettexenviv_indexed(ctx->Texture.CurrentUnit, target, pname, params);
 }
+
+
+void GLAPIENTRY
+_mesa_GetMultiTexEnvivEXT( GLenum texunit, GLenum target,
+                           GLenum pname, GLint *params )
+{
+   _mesa_gettexenviv_indexed(texunit - GL_TEXTURE0, target, pname, params);
+}
diff --git a/src/mesa/main/texenv.h b/src/mesa/main/texenv.h
index 4aa3cb179d1..e5f968db9da 100644
--- a/src/mesa/main/texenv.h
+++ b/src/mesa/main/texenv.h
@@ -48,4 +48,28 @@ _mesa_TexEnvi( GLenum target, GLenum pname, GLint param );
 extern void GLAPIENTRY
 _mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param );
 
+extern void GLAPIENTRY
+_mesa_MultiTexEnvfEXT( GLenum texunit, GLenum target,
+                       GLenum pname, GLfloat param );
+
+extern void GLAPIENTRY
+_mesa_MultiTexEnvfvEXT( GLenum texunit, GLenum target,
+                        GLenum pname, const GLfloat *param );
+
+extern void GLAPIENTRY
+_mesa_MultiTexEnviEXT( GLenum texunit, GLenum target,
+                       GLenum pname, GLint param );
+
+extern void GLAPIENTRY
+_mesa_MultiTexEnvivEXT( GLenum texunit, GLenum target,
+                        GLenum pname, const GLint *param );
+
+extern void GLAPIENTRY
+_mesa_GetMultiTexEnvivEXT( GLenum texunit, GLenum target,
+                           GLenum pname, GLint *param );
+
+extern void GLAPIENTRY
+_mesa_GetMultiTexEnvfvEXT( GLenum texunit, GLenum target,
+                           GLenum pname, GLfloat *param );
+
 #endif /* TEXENV_H */