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fix(sdl): clear streaming/target texture with FillRect (#3682)

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Mariotaku 2022-09-12 23:18:47 +09:00 committed by GitHub
parent 832bef4346
commit 4d69cd865c
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 18 additions and 4 deletions
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5
src/draw/sdl/lv_draw_sdl_composite.c
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@ -95,7 +95,10 @@ bool lv_draw_sdl_composite_begin(lv_draw_sdl_ctx_t * ctx, const lv_area_t * coor
internals->target_backup = SDL_GetRenderTarget(ctx->renderer);
SDL_SetRenderTarget(ctx->renderer, internals->composition);
SDL_SetRenderDrawColor(ctx->renderer, 255, 255, 255, 0);
SDL_RenderClear(ctx->renderer);
/* SDL_RenderClear is not working properly, so we overwrite the target with solid color */
SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_NONE);
SDL_RenderFillRect(ctx->renderer, NULL);
SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_BLEND);
#if LV_GPU_SDL_CUSTOM_BLEND_MODE
internals->mask = lv_draw_sdl_composite_texture_obtain(ctx, LV_DRAW_SDL_COMPOSITE_TEXTURE_ID_STREAM0, w, h);
dump_masks(internals->mask, apply_area);

5
src/draw/sdl/lv_draw_sdl_img.c
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@ -390,7 +390,10 @@ static SDL_Texture * img_rounded_frag_obtain(lv_draw_sdl_ctx_t * ctx, SDL_Textur
SDL_Texture * old_target = SDL_GetRenderTarget(ctx->renderer);
SDL_SetRenderTarget(ctx->renderer, img_frag);
SDL_SetRenderDrawColor(ctx->renderer, 0, 0, 0, 0);
SDL_RenderClear(ctx->renderer);
/* SDL_RenderClear is not working properly, so we overwrite the target with solid color */
SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_NONE);
SDL_RenderFillRect(ctx->renderer, NULL);
SDL_SetRenderDrawBlendMode(ctx->renderer, SDL_BLENDMODE_BLEND);
lv_area_t coords = {0, 0, w - 1, h - 1}, clip;
lv_area_t frag_coords = {0, 0, full_frag_size - 1, full_frag_size - 1};

7
src/draw/sdl/lv_draw_sdl_layer.c
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@ -69,7 +69,12 @@ lv_draw_layer_ctx_t * lv_draw_sdl_layer_init(lv_draw_ctx_t * draw_ctx, lv_draw_l
SDL_SetTextureBlendMode(transform_ctx->target, SDL_BLENDMODE_BLEND);
SDL_SetRenderTarget(renderer, transform_ctx->target);
SDL_RenderClear(renderer);
/* SDL_RenderClear is not working properly, so we overwrite the target with solid color */
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
SDL_RenderFillRect(renderer, NULL);
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
/* Set proper drawing context for transform layer */
ctx->internals->transform_count += 1;

5
src/draw/sdl/lv_draw_sdl_line.c
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@ -126,7 +126,10 @@ static SDL_Texture * line_texture_create(lv_draw_sdl_ctx_t * sdl_ctx, const lv_d
SDL_SetRenderTarget(sdl_ctx->renderer, texture);
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(sdl_ctx->renderer, 0xFF, 0xFF, 0xFF, 0x0);
SDL_RenderClear(sdl_ctx->renderer);
/* SDL_RenderClear is not working properly, so we overwrite the target with solid color */
SDL_SetRenderDrawBlendMode(sdl_ctx->renderer, SDL_BLENDMODE_NONE);
SDL_RenderFillRect(sdl_ctx->renderer, NULL);
SDL_SetRenderDrawBlendMode(sdl_ctx->renderer, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawColor(sdl_ctx->renderer, 0xFF, 0xFF, 0xFF, 0xFF);
SDL_Rect line_rect = {1 + dsc->width / 2, 1, length, dsc->width};
SDL_RenderFillRect(sdl_ctx->renderer, &line_rect);