From: Benjamin Otte <otte@redhat.com>
Date: Sun, 7 May 2023 08:07:02 +0000 (+0200)
Subject: vulkan: compute new modelview directly
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~185^2~59
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=0e31cf95422765a8a803a234cd85316da0eeaa6e;p=gtk4.git

vulkan: compute new modelview directly

no need to go through a GskTransform
---

diff --git a/gsk/vulkan/gskvulkanrenderpass.c b/gsk/vulkan/gskvulkanrenderpass.c
index f364b7f4c1..78c3911560 100644
--- a/gsk/vulkan/gskvulkanrenderpass.c
+++ b/gsk/vulkan/gskvulkanrenderpass.c
@@ -505,8 +505,8 @@ gsk_vulkan_render_pass_add_transform_node (GskVulkanRenderPass          *self,
   };
   graphene_matrix_t old_mv;
   GskRenderNode *child;
-  GskTransform *next_transform;
   GskTransform *transform;
+  graphene_matrix_t transform_matrix;
   float new_scale_x = self->scale_x;
   float new_scale_y = self->scale_x;
   float old_scale_x;
@@ -579,8 +579,8 @@ gsk_vulkan_render_pass_add_transform_node (GskVulkanRenderPass          *self,
   self->scale_x = new_scale_x;
   self->scale_y = new_scale_y;
 
-  next_transform = gsk_transform_matrix (gsk_transform_ref (transform), &self->mv);
-  gsk_transform_to_matrix (next_transform, &self->mv);
+  gsk_transform_to_matrix (transform, &transform_matrix);
+  graphene_matrix_multiply (&transform_matrix, &self->mv, &self->mv);
 
   child = gsk_transform_node_get_child (node);
   if (!gsk_vulkan_push_constants_transform (&op.constants.constants, constants, transform, &child->bounds))