feature(lvgl_port): Initial support for ppa rendering in lvgl

      Mainly supports the following features:
       - color blend (simple fill)
       - color blend with opa
       - blend normal (blend with argb8888)
       - blend normal (color convert / memcpy)

components/esp_lvgl_port/CMakeLists.txt

@@ -77,12 +77,12 @@ if("usb_host_hid" IN_LIST build_components)
 endif()
 
 # Include SIMD assembly source code for rendering, only for (9.1.0 <= LVG_version < 9.2.0) and only for esp32 and esp32s3
-if((lvgl_ver VERSION_GREATER_EQUAL "9.1.0") AND (lvgl_ver VERSION_LESS "9.2.0"))
-    if(CONFIG_IDF_TARGET_ESP32 OR CONFIG_IDF_TARGET_ESP32S3)
+if((lvgl_ver VERSION_GREATER_EQUAL "9.1.0") AND (lvgl_ver VERSION_LESS_EQUAL "9.2.0"))
+    if(CONFIG_IDF_TARGET_ESP32 OR CONFIG_IDF_TARGET_ESP32S3 OR CONFIG_IDF_TARGET_ESP32P4)
         message(VERBOSE "Compiling SIMD")
         if(CONFIG_IDF_TARGET_ESP32S3)
             file(GLOB_RECURSE ASM_SRCS ${PORT_PATH}/simd/*_esp32s3.S)    # Select only esp32s3 related files
-        else()
+        elseif(CONFIG_IDF_TARGET_ESP32)
             file(GLOB_RECURSE ASM_SRCS ${PORT_PATH}/simd/*_esp32.S)      # Select only esp32 related files
         endif()
         list(APPEND ADD_SRCS ${ASM_SRCS})
@@ -91,9 +91,16 @@ if((lvgl_ver VERSION_GREATER_EQUAL "9.1.0") AND (lvgl_ver VERSION_LESS "9.2.0"))
         idf_component_get_property(lvgl_lib ${lvgl_name} COMPONENT_LIB)
         target_include_directories(${lvgl_lib} PRIVATE "include")
 
+        if(CONFIG_IDF_TARGET_ESP32P4)
+            file(GLOB_RECURSE PPA_SRCS ${PORT_PATH}/ppa/*)
+            list(APPEND ADD_SRCS ${PPA_SRCS})
+            set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-u lv_malloc_core")
+            set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-u esp_ppa_fill_for_lvgl")
+        else()
         # Force link .S files
-        set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-u lv_color_blend_to_argb8888_esp")
-        set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-u lv_color_blend_to_rgb565_esp")
+            set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-u lv_color_blend_to_argb8888_esp")
+            set_property(TARGET ${COMPONENT_LIB} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "-u lv_color_blend_to_rgb565_esp")
+        endif()
     endif()
 endif()
 
@@ -111,6 +118,8 @@ target_link_libraries(lvgl_port_lib PUBLIC
     )
 target_link_libraries(lvgl_port_lib PRIVATE
     idf::esp_timer
+    idf::esp_driver_ppa
+    idf::esp_mm
     ${ADD_LIBS}
     )
 

components/esp_lvgl_port/include/esp_lvgl_port_lv_blend.h

@@ -55,6 +55,21 @@ typedef struct {
 
 extern int lv_color_blend_to_argb8888_esp(asm_dsc_t *asm_dsc);
 
+// Just for compatibility with v9.2.0
+// v9.2.0: lv_draw_sw_blend_fill_dsc_t
+// v9.1.0: _lv_draw_sw_blend_fill_dsc_t
+typedef struct {
+    void * dest_buf;
+    int32_t dest_w;
+    int32_t dest_h;
+    int32_t dest_stride;
+    const lv_opa_t * mask_buf;
+    int32_t mask_stride;
+    lv_color_t color;
+    lv_opa_t opa;
+    lv_area_t relative_area;
+} _lv_draw_sw_blend_fill_dsc_t;
+
 static inline lv_result_t _lv_color_blend_to_argb8888_esp(_lv_draw_sw_blend_fill_dsc_t *dsc)
 {
     asm_dsc_t asm_dsc = {