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render: Implement texture_preferred_read_format
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57b18d26d0
commit
c5a3c5ca4c
3 changed files with 60 additions and 1 deletions
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@ -195,6 +195,8 @@ static bool gles2_texture_read_pixels(struct wlr_texture *wlr_texture,
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}
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push_gles2_debug(texture->renderer);
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struct wlr_egl_context prev_ctx;
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wlr_egl_save_context(&prev_ctx);
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if (!wlr_egl_make_current(texture->renderer->egl)) {
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return false;
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@ -228,15 +230,58 @@ static bool gles2_texture_read_pixels(struct wlr_texture *wlr_texture,
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}
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}
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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wlr_egl_restore_context(&prev_ctx);
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pop_gles2_debug(texture->renderer);
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return glGetError() == GL_NO_ERROR;
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}
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static uint32_t gles2_texture_preferred_read_format(struct wlr_texture *wlr_texture) {
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struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
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push_gles2_debug(texture->renderer);
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struct wlr_egl_context prev_ctx;
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wlr_egl_save_context(&prev_ctx);
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uint32_t fmt = DRM_FORMAT_INVALID;
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if (!wlr_egl_make_current(texture->renderer->egl)) {
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goto out;
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}
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if (!gles2_texture_bind(texture)) {
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goto out;
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}
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GLint gl_format = -1, gl_type = -1, alpha_size = -1;
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glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &gl_format);
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glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &gl_type);
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glGetIntegerv(GL_ALPHA_BITS, &alpha_size);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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pop_gles2_debug(texture->renderer);
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const struct wlr_gles2_pixel_format *pix_fmt =
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get_gles2_format_from_gl(gl_format, gl_type, alpha_size > 0);
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if (pix_fmt != NULL) {
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fmt = pix_fmt->drm_format;
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goto out;
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}
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if (texture->renderer->exts.EXT_read_format_bgra) {
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fmt = DRM_FORMAT_XRGB8888;
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goto out;
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}
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out:
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wlr_egl_restore_context(&prev_ctx);
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return fmt;
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}
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static const struct wlr_texture_impl texture_impl = {
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.update_from_buffer = gles2_texture_update_from_buffer,
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.read_pixels = gles2_texture_read_pixels,
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.preferred_read_format = gles2_texture_preferred_read_format,
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.destroy = handle_gles2_texture_destroy,
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};
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@ -115,8 +115,16 @@ static bool texture_read_pixels(struct wlr_texture *wlr_texture,
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return true;
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}
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static uint32_t pixman_texture_preferred_read_format(struct wlr_texture *wlr_texture) {
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struct wlr_pixman_texture *texture = get_texture(wlr_texture);
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pixman_format_code_t pixman_format = pixman_image_get_format(texture->image);
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return get_drm_format_from_pixman(pixman_format);
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}
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static const struct wlr_texture_impl texture_impl = {
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.read_pixels = texture_read_pixels,
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.preferred_read_format = pixman_texture_preferred_read_format,
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.destroy = texture_destroy,
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};
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@ -262,9 +262,15 @@ static bool vulkan_texture_read_pixels(struct wlr_texture *wlr_texture,
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options->format, options->stride, src.width, src.height, src.x, src.y, 0, 0, p);
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}
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static uint32_t vulkan_texture_preferred_read_format(struct wlr_texture *wlr_texture) {
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struct wlr_vk_texture *texture = vulkan_get_texture(wlr_texture);
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return texture->format->drm;
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}
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static const struct wlr_texture_impl texture_impl = {
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.update_from_buffer = vulkan_texture_update_from_buffer,
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.read_pixels = vulkan_texture_read_pixels,
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.preferred_read_format = vulkan_texture_preferred_read_format,
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.destroy = vulkan_texture_unref,
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};
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