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vulkan: Split modelview and projection

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This is adding extra work, but the benefits should become visible
in future commits.
This commit is contained in:
Benjamin Otte 2023-05-12 04:09:13 +02:00
parent 57222cc64c
commit 4183ce0b52
1 changed files with 11 additions and 9 deletions
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20
gsk/vulkan/gskvulkanrenderpass.c
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@ -134,7 +134,8 @@ struct _GskVulkanParseState
{
graphene_point_t offset;
graphene_vec2_t scale;
graphene_matrix_t mvp;
graphene_matrix_t modelview;
graphene_matrix_t projection;
GskVulkanClip clip;
};
@ -252,10 +253,10 @@ gsk_vulkan_render_pass_append_push_constants (GskVulkanRenderPass *self,
.constants.type = GSK_VULKAN_OP_PUSH_VERTEX_CONSTANTS,
.constants.node = node,
.constants.scale= state->scale,
.constants.mvp = state->mvp,
.constants.clip = state->clip.rect,
};
graphene_matrix_multiply (&state->modelview, &state->projection, &op.constants.mvp);
g_array_append_val (self->render_ops, op);
}
@ -611,7 +612,8 @@ gsk_vulkan_render_pass_add_transform_node (GskVulkanRenderPass *self,
FALLBACK ("Transform nodes can't deal with clip type %u", state->clip.type);
gsk_transform_to_matrix (transform, &matrix);
graphene_matrix_multiply (&matrix, &state->mvp, &new_state.mvp);
graphene_matrix_multiply (&matrix, &state->modelview, &new_state.modelview);
graphene_matrix_init_from_matrix (&new_state.projection, &state->projection);
gsk_vulkan_render_pass_append_push_constants (self, node, &new_state);
@ -705,7 +707,8 @@ gsk_vulkan_render_pass_add_clip_node (GskVulkanRenderPass *self,
new_state.offset = state->offset;
graphene_vec2_init_from_vec2 (&new_state.scale, &state->scale);
graphene_matrix_init_from_matrix (&new_state.mvp, &state->mvp);
graphene_matrix_init_from_matrix (&new_state.modelview, &state->modelview);
graphene_matrix_init_from_matrix (&new_state.projection, &state->projection);
gsk_vulkan_render_pass_append_push_constants (self, node, &new_state);
@ -736,7 +739,8 @@ gsk_vulkan_render_pass_add_rounded_clip_node (GskVulkanRenderPass *self,
new_state.offset = state->offset;
graphene_vec2_init_from_vec2 (&new_state.scale, &state->scale);
graphene_matrix_init_from_matrix (&new_state.mvp, &state->mvp);
graphene_matrix_init_from_matrix (&new_state.modelview, &state->modelview);
graphene_matrix_init_from_matrix (&new_state.projection, &state->projection);
gsk_vulkan_render_pass_append_push_constants (self, node, &new_state);
@ -1042,18 +1046,16 @@ gsk_vulkan_render_pass_add (GskVulkanRenderPass *self,
GskRenderNode *node)
{
GskVulkanParseState state;
graphene_matrix_t projection, mvp;
graphene_matrix_init_scale (&mvp,
graphene_matrix_init_scale (&state.modelview,
graphene_vec2_get_x (&self->scale),
graphene_vec2_get_y (&self->scale),
1.0);
graphene_matrix_init_ortho (&projection,
graphene_matrix_init_ortho (&state.projection,
self->viewport.origin.x, self->viewport.origin.x + self->viewport.size.width,
self->viewport.origin.y, self->viewport.origin.y + self->viewport.size.height,
2 * ORTHO_NEAR_PLANE - ORTHO_FAR_PLANE,
ORTHO_FAR_PLANE);
graphene_matrix_multiply (&mvp, &projection, &state.mvp);
gsk_vulkan_clip_init_empty (&state.clip, &self->viewport);
graphene_vec2_init_from_vec2 (&state.scale, &self->scale);
state.offset = *graphene_point_zero ();