gtk2/gsk/gskvulkanlineargradientpipeline.c
Matthias Clasen 8ad0539cf7 vulkan: Drop GskVulkanPipelineLayout
We already move the descriptor set layout out of it,
so we can just as well keep the pipeline layouts in
the render object as well, and get rid of this extra
object. Update all callers.
2017-09-22 22:16:09 -04:00

226 lines
7.8 KiB
C

#include "config.h"
#include "gskvulkanlineargradientpipelineprivate.h"
struct _GskVulkanLinearGradientPipeline
{
GObject parent_instance;
};
typedef struct _GskVulkanLinearGradientInstance GskVulkanLinearGradientInstance;
struct _GskVulkanLinearGradientInstance
{
float rect[4];
float start[2];
float end[2];
gint32 repeating;
gint32 stop_count;
float offsets[GSK_VULKAN_LINEAR_GRADIENT_PIPELINE_MAX_COLOR_STOPS];
float colors[GSK_VULKAN_LINEAR_GRADIENT_PIPELINE_MAX_COLOR_STOPS][4];
};
G_DEFINE_TYPE (GskVulkanLinearGradientPipeline, gsk_vulkan_linear_gradient_pipeline, GSK_TYPE_VULKAN_PIPELINE)
static const VkPipelineVertexInputStateCreateInfo *
gsk_vulkan_linear_gradient_pipeline_get_input_state_create_info (GskVulkanPipeline *self)
{
static const VkVertexInputBindingDescription vertexBindingDescriptions[] = {
{
.binding = 0,
.stride = sizeof (GskVulkanLinearGradientInstance),
.inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
}
};
static const VkVertexInputAttributeDescription vertexInputAttributeDescription[] = {
{
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = 0,
},
{
.location = 1,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, start),
},
{
.location = 2,
.binding = 0,
.format = VK_FORMAT_R32G32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, end),
},
{
.location = 3,
.binding = 0,
.format = VK_FORMAT_R32_SINT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, repeating),
},
{
.location = 4,
.binding = 0,
.format = VK_FORMAT_R32_SINT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, stop_count),
},
{
.location = 5,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, offsets),
},
{
.location = 6,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, offsets) + sizeof (float) * 4,
},
{
.location = 7,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[0]),
},
{
.location = 8,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[1]),
},
{
.location = 9,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[2]),
},
{
.location = 10,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[3]),
},
{
.location = 11,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[4]),
},
{
.location = 12,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[5]),
},
{
.location = 13,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[6]),
},
{
.location = 14,
.binding = 0,
.format = VK_FORMAT_R32G32B32A32_SFLOAT,
.offset = G_STRUCT_OFFSET (GskVulkanLinearGradientInstance, colors[7]),
}
};
static const VkPipelineVertexInputStateCreateInfo info = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.vertexBindingDescriptionCount = G_N_ELEMENTS (vertexBindingDescriptions),
.pVertexBindingDescriptions = vertexBindingDescriptions,
.vertexAttributeDescriptionCount = G_N_ELEMENTS (vertexInputAttributeDescription),
.pVertexAttributeDescriptions = vertexInputAttributeDescription
};
return &info;
}
static void
gsk_vulkan_linear_gradient_pipeline_finalize (GObject *gobject)
{
//GskVulkanLinearGradientPipeline *self = GSK_VULKAN_LINEAR_GRADIENT_PIPELINE (gobject);
G_OBJECT_CLASS (gsk_vulkan_linear_gradient_pipeline_parent_class)->finalize (gobject);
}
static void
gsk_vulkan_linear_gradient_pipeline_class_init (GskVulkanLinearGradientPipelineClass *klass)
{
GskVulkanPipelineClass *pipeline_class = GSK_VULKAN_PIPELINE_CLASS (klass);
G_OBJECT_CLASS (klass)->finalize = gsk_vulkan_linear_gradient_pipeline_finalize;
pipeline_class->get_input_state_create_info = gsk_vulkan_linear_gradient_pipeline_get_input_state_create_info;
}
static void
gsk_vulkan_linear_gradient_pipeline_init (GskVulkanLinearGradientPipeline *self)
{
}
GskVulkanPipeline *
gsk_vulkan_linear_gradient_pipeline_new (GdkVulkanContext *context,
VkPipelineLayout layout,
const char *shader_name,
VkRenderPass render_pass)
{
return gsk_vulkan_pipeline_new (GSK_TYPE_VULKAN_LINEAR_GRADIENT_PIPELINE, context, layout, shader_name, render_pass);
}
gsize
gsk_vulkan_linear_gradient_pipeline_count_vertex_data (GskVulkanLinearGradientPipeline *pipeline)
{
return sizeof (GskVulkanLinearGradientInstance);
}
void
gsk_vulkan_linear_gradient_pipeline_collect_vertex_data (GskVulkanLinearGradientPipeline *pipeline,
guchar *data,
const graphene_rect_t *rect,
const graphene_point_t *start,
const graphene_point_t *end,
gboolean repeating,
gsize n_stops,
const GskColorStop *stops)
{
GskVulkanLinearGradientInstance *instance = (GskVulkanLinearGradientInstance *) data;
gsize i;
if (n_stops > GSK_VULKAN_LINEAR_GRADIENT_PIPELINE_MAX_COLOR_STOPS)
{
g_warning ("Only %u color stops supported.", GSK_VULKAN_LINEAR_GRADIENT_PIPELINE_MAX_COLOR_STOPS);
n_stops = GSK_VULKAN_LINEAR_GRADIENT_PIPELINE_MAX_COLOR_STOPS;
}
instance->rect[0] = rect->origin.x;
instance->rect[1] = rect->origin.y;
instance->rect[2] = rect->size.width;
instance->rect[3] = rect->size.height;
instance->start[0] = start->x;
instance->start[1] = start->y;
instance->end[0] = end->x;
instance->end[1] = end->y;
instance->repeating = repeating;
instance->stop_count = n_stops;
for (i = 0; i < n_stops; i++)
{
instance->offsets[i] = stops[i].offset;
instance->colors[i][0] = stops[i].color.red;
instance->colors[i][1] = stops[i].color.green;
instance->colors[i][2] = stops[i].color.blue;
instance->colors[i][3] = stops[i].color.alpha;
}
}
gsize
gsk_vulkan_linear_gradient_pipeline_draw (GskVulkanLinearGradientPipeline *pipeline,
VkCommandBuffer command_buffer,
gsize offset,
gsize n_commands)
{
vkCmdDraw (command_buffer,
6, n_commands,
0, offset);
return n_commands;
}