mesa/st: convert DrawTex to direct call

Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14100>

src/mesa/main/dd.h

@@ -325,14 +325,6 @@ struct dd_function_table {
 
    /**@}*/
 
-   /**
-    * \name GL_OES_draw_texture interface
-    */
-   /*@{*/
-   void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
-                   GLfloat width, GLfloat height);
-   /*@}*/
-
    /**
     * \name GL_ARB_texture_multisample
     */

src/mesa/main/drawtex.c

@@ -27,6 +27,7 @@
 
 #include "main/mtypes.h"
 
+#include "state_tracker/st_cb_drawtex.h"
 
 static void
 draw_texture(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
@@ -47,8 +48,7 @@ draw_texture(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
    if (ctx->NewState)
       _mesa_update_state(ctx);
 
-   assert(ctx->Driver.DrawTex);
-   ctx->Driver.DrawTex(ctx, x, y, z, width, height);
+   st_DrawTex(ctx, x, y, z, width, height);
 
    _mesa_set_vp_override(ctx, GL_FALSE);
 }

src/mesa/state_tracker/st_cb_drawtex.c

@@ -158,7 +158,7 @@ lookup_shader(struct st_context *st,
 }
 
 
-static void
+void
 st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
            GLfloat width, GLfloat height)
 {
@@ -353,14 +353,6 @@ st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
    st->dirty |= ST_NEW_VERTEX_ARRAYS;
 }
 
-
-void
-st_init_drawtex_functions(struct dd_function_table *functions)
-{
-   functions->DrawTex = st_DrawTex;
-}
-
-
 /**
  * Free any cached shaders
  */

src/mesa/state_tracker/st_cb_drawtex.h

@@ -10,11 +10,10 @@
 #define ST_CB_DRAWTEX_H
 
 
-struct dd_function_table;
 struct st_context;
 
-extern void
-st_init_drawtex_functions(struct dd_function_table *functions);
+void st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
+                GLfloat width, GLfloat height);
 
 extern void
 st_destroy_drawtex(struct st_context *st);

src/mesa/state_tracker/st_context.c

@@ -922,8 +922,6 @@ st_init_driver_functions(struct pipe_screen *screen,
    st_init_draw_functions(screen, functions);
    st_init_bufferobject_functions(screen, functions);
 
-   st_init_drawtex_functions(functions);
-
    st_init_eglimage_functions(functions, has_egl_image_validate);
 
    st_init_msaa_functions(functions);