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vulkan: Change handling of push constants

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Instead of storing the wire format, store the true structs and only
convert to the wire format when needed.
This commit is contained in:
Benjamin Otte 2016-12-24 04:10:00 +01:00
parent b11b7dfb1a
commit 18b65a2378
3 changed files with 33 additions and 28 deletions
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44
gsk/gskvulkanpushconstants.c
View File

@ -8,7 +8,7 @@ void
gsk_vulkan_push_constants_init (GskVulkanPushConstants *constants,
const graphene_matrix_t *mvp)
{
gsk_vulkan_push_constants_set_mvp (constants, mvp);
graphene_matrix_init_from_matrix (&constants->mvp, mvp);
}
void
@ -19,34 +19,36 @@ gsk_vulkan_push_constants_init_copy (GskVulkanPushConstants *self,
}
void
gsk_vulkan_push_constants_set_mvp (GskVulkanPushConstants *self,
const graphene_matrix_t *mvp)
gsk_vulkan_push_constants_init_transform (GskVulkanPushConstants *self,
const GskVulkanPushConstants *src,
const graphene_matrix_t *transform)
{
graphene_matrix_to_float (mvp, self->vertex.mvp);
graphene_matrix_multiply (transform, &src->mvp, &self->mvp);
}
static void
gsk_vulkan_push_constants_wire_init (GskVulkanPushConstantsWire *wire,
const GskVulkanPushConstants *self)
{
graphene_matrix_to_float (&self->mvp, wire->vertex.mvp);
}
void
gsk_vulkan_push_constants_multiply_mvp (GskVulkanPushConstants *self,
const graphene_matrix_t *transform)
gsk_vulkan_push_constants_push_vertex (const GskVulkanPushConstants *self,
VkCommandBuffer command_buffer,
VkPipelineLayout pipeline_layout)
{
graphene_matrix_t old_mvp, new_mvp;
GskVulkanPushConstantsWire wire;
graphene_matrix_init_from_float (&old_mvp, self->vertex.mvp);
graphene_matrix_multiply (transform, &old_mvp, &new_mvp);
gsk_vulkan_push_constants_set_mvp (self, &new_mvp);
}
gsk_vulkan_push_constants_wire_init (&wire, self);
void
gsk_vulkan_push_constants_push_vertex (GskVulkanPushConstants *self,
VkCommandBuffer command_buffer,
VkPipelineLayout pipeline_layout)
{
vkCmdPushConstants (command_buffer,
pipeline_layout,
VK_SHADER_STAGE_VERTEX_BIT,
G_STRUCT_OFFSET (GskVulkanPushConstants, vertex),
sizeof (self->vertex),
&self->vertex);
G_STRUCT_OFFSET (GskVulkanPushConstantsWire, vertex),
sizeof (wire.vertex),
&wire.vertex);
}
#if 0
@ -76,8 +78,8 @@ gst_vulkan_push_constants_get_ranges (void)
static const VkPushConstantRange ranges[2] = {
{
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
.offset = G_STRUCT_OFFSET (GskVulkanPushConstants, vertex),
.size = sizeof (((GskVulkanPushConstants *) 0)->vertex)
.offset = G_STRUCT_OFFSET (GskVulkanPushConstantsWire, vertex),
.size = sizeof (((GskVulkanPushConstantsWire *) 0)->vertex)
#if 0
},
{

14
gsk/gskvulkanpushconstantsprivate.h
View File

@ -7,8 +7,14 @@
G_BEGIN_DECLS
typedef struct _GskVulkanPushConstants GskVulkanPushConstants;
typedef struct _GskVulkanPushConstantsWire GskVulkanPushConstantsWire;
struct _GskVulkanPushConstants
{
graphene_matrix_t mvp;
};
struct _GskVulkanPushConstantsWire
{
struct {
float mvp[16];
@ -27,13 +33,11 @@ void gsk_vulkan_push_constants_init (GskVulk
const graphene_matrix_t *mvp);
void gsk_vulkan_push_constants_init_copy (GskVulkanPushConstants *self,
const GskVulkanPushConstants *src);
void gsk_vulkan_push_constants_set_mvp (GskVulkanPushConstants *self,
const graphene_matrix_t *mvp);
void gsk_vulkan_push_constants_multiply_mvp (GskVulkanPushConstants *self,
void gsk_vulkan_push_constants_init_transform (GskVulkanPushConstants *self,
const GskVulkanPushConstants *src,
const graphene_matrix_t *transform);
void gsk_vulkan_push_constants_push_vertex (GskVulkanPushConstants *self,
void gsk_vulkan_push_constants_push_vertex (const GskVulkanPushConstants *self,
VkCommandBuffer command_buffer,
VkPipelineLayout pipeline_layout);

3
gsk/gskvulkanrenderpass.c
View File

@ -156,8 +156,7 @@ gsk_vulkan_render_pass_add_node (GskVulkanRenderPass *self,
gsk_transform_node_get_transform (node, &transform);
op.type = GSK_VULKAN_OP_PUSH_VERTEX_CONSTANTS;
gsk_vulkan_push_constants_init_copy (&op.constants.constants, constants);
gsk_vulkan_push_constants_multiply_mvp (&op.constants.constants, &transform);
gsk_vulkan_push_constants_init_transform (&op.constants.constants, constants, &transform);
g_array_append_val (self->render_ops, op);
graphene_matrix_transform_bounds (&transform, &clip->rect.bounds, &rect);