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fix(drm/egl): red and blue channel swap with RGB565 (#9461)

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This commit is contained in:
André Costa
2026-01-07 14:30:13 +01:00
committed by GitHub
parent a37f05c645
commit b9bef5354a
3 changed files with 31 additions and 4 deletions
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src/drivers/display/drm/lv_linux_drm_egl.c
+6 -1
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@@ -248,7 +248,12 @@ static void flush_cb(lv_display_t * disp, const lv_area_t * area, uint8_t * px_m
#error("Unsupported color format")
#endif
lv_opengles_render_display_texture(disp, false, false);
lv_opengles_render_params_t params = {
.h_flip = false,
.v_flip = false,
.rb_swap = LV_COLOR_DEPTH == 32,
};
lv_opengles_render_display(disp, &params);
lv_opengles_egl_update(ctx->egl_ctx);
}
lv_display_flush_ready(disp);
src/drivers/opengles/lv_opengles_driver.c
+18 -3
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@@ -15,7 +15,7 @@
#include "lv_opengles_debug.h"
#include "lv_opengles_private.h"
#include "../../display/lv_display.h"
#include "../../display/lv_display_private.h"
#include "../../misc/lv_area_private.h"
#include "opengl_shader/lv_opengl_shader_internal.h"
#include "assets/lv_opengles_shader.h"
@@ -166,7 +166,8 @@ void lv_opengles_render_fill(lv_color_t color, const lv_area_t * area, lv_opa_t
lv_opengles_render(0, area, opa, disp_w, disp_h, area, false, false, color, false, true);
LV_PROFILER_DRAW_END;
}
void lv_opengles_render_display_texture(lv_display_t * display, bool h_flip, bool v_flip)
void lv_opengles_render_display(lv_display_t * display, const lv_opengles_render_params_t * params)
{
LV_PROFILER_DRAW_BEGIN;
unsigned int texture = *(unsigned int *)lv_display_get_driver_data(display);
@@ -174,6 +175,8 @@ void lv_opengles_render_display_texture(lv_display_t * display, bool h_flip, boo
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture));
lv_display_rotation_t rotation = lv_display_get_rotation(display);
bool h_flip = params->h_flip;
bool v_flip = params->v_flip;
float vert_buffer[LV_OPENGLES_VERTEX_BUFFER_LEN];
populate_vertex_buffer(vert_buffer, rotation, &h_flip, &v_flip, 0.f, 0.f, 1.f, 1.f);
@@ -199,12 +202,24 @@ void lv_opengles_render_display_texture(lv_display_t * display, bool h_flip, boo
lv_opengles_shader_set_uniform1f("u_Opa", 1);
lv_opengles_shader_set_uniform1i("u_IsFill", 0);
lv_opengles_shader_set_uniform3f("u_FillColor", 1.0f, 1.0f, 1.0f);
lv_opengles_shader_set_uniform1i("u_SwapRB", 1);
lv_opengles_shader_set_uniform1i("u_SwapRB", params->rb_swap);
lv_opengles_render_draw();
LV_PROFILER_DRAW_END;
}
void lv_opengles_render_display_texture(lv_display_t * display, bool h_flip, bool v_flip)
{
/*TODO: Deprecate this function and make lv_opengles_render_display public instead*/
lv_opengles_render_params_t params = {
.v_flip = v_flip,
.h_flip = h_flip,
.rb_swap = true
};
lv_opengles_render_display(display, &params);
}
void lv_opengles_render_clear(void)
{
LV_PROFILER_DRAW_BEGIN;
src/drivers/opengles/lv_opengles_private.h
+7
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@@ -105,6 +105,12 @@ extern "C" {
* TYPEDEFS
**********************/
typedef struct {
bool h_flip;
bool v_flip;
bool rb_swap;
} lv_opengles_render_params_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
@@ -137,6 +143,7 @@ void lv_opengles_render_texture_rbswap(unsigned int texture, const lv_area_t * t
*/
void lv_opengles_regular_viewport(int32_t x, int32_t y, int32_t w, int32_t h);
void lv_opengles_render_display(lv_display_t * display, const lv_opengles_render_params_t * params);
/**********************
* MACROS