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Vulkan: font driver updates.

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- submit font texture staging_to_dynamic copy with a seperate command
buffer. fixes a validation issue caused by using vkCmdCopyImage during a
render pass.
- limit copies to updated glyphs.
This commit is contained in:
aliaspider 2017-05-15 05:52:38 +01:00
parent 36137d22e5
commit b503407abb
1 changed files with 70 additions and 13 deletions
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83
gfx/drivers_font/vulkan_raster_font.c
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@ -30,6 +30,7 @@ typedef struct
const font_renderer_driver_t *font_driver;
void *font_data;
struct font_atlas *atlas;
bool needs_update;
struct vk_vertex *pv;
struct vk_buffer_range range;
@ -79,6 +80,8 @@ static void *vulkan_raster_font_init_font(void *data,
font->atlas->width, font->atlas->height, VK_FORMAT_R8_UNORM, NULL,
NULL /*&swizzle*/, VULKAN_TEXTURE_DYNAMIC);
font->needs_update = true;
return font;
}
@ -100,6 +103,23 @@ static void vulkan_raster_font_free_font(void *data, bool is_threaded)
free(font);
}
static INLINE void vulkan_raster_font_update_glyph(vulkan_raster_t *font, const struct font_glyph *glyph)
{
if(font->atlas->dirty)
{
int row;
for(row = glyph->atlas_offset_y; row < (glyph->atlas_offset_y + glyph->height); row++)
{
uint8_t* src = font->atlas->buffer + row * font->atlas->width + glyph->atlas_offset_x;
uint8_t* dst = (uint8_t*)font->texture.mapped + row * font->texture.stride + glyph->atlas_offset_x;
memcpy(dst, src, glyph->width);
}
font->atlas->dirty = false;
font->needs_update = true;
}
}
static int vulkan_get_message_width(void *data, const char *msg,
unsigned msg_len, float scale)
{
@ -118,8 +138,12 @@ static int vulkan_get_message_width(void *data, const char *msg,
if (!glyph) /* Do something smarter here ... */
glyph = font->font_driver->get_glyph(font->font_data, '?');
if (glyph)
{
vulkan_raster_font_update_glyph(font, glyph);
delta_x += glyph->advance_x;
}
}
return delta_x * scale;
@ -130,7 +154,6 @@ static void vulkan_raster_font_render_line(
float scale, const float color[4], float pos_x,
float pos_y, unsigned text_align)
{
unsigned i;
struct vk_color vk_color;
vk_t *vk = font->vk;
const char* msg_end = msg + msg_len;
@ -170,6 +193,8 @@ static void vulkan_raster_font_render_line(
if (!glyph)
continue;
vulkan_raster_font_update_glyph(font, glyph);
off_x = glyph->draw_offset_x;
off_y = glyph->draw_offset_y;
tex_x = glyph->atlas_offset_x;
@ -256,20 +281,45 @@ static void vulkan_raster_font_flush(vulkan_raster_t *font)
font->vertices,
};
if(font->atlas->dirty)
if(font->needs_update)
{
int i = 0;
for(i = 0; i < font->atlas->height; i++)
{
uint8_t* src = font->atlas->buffer + i * font->atlas->width;
uint8_t* dst = (uint8_t*)font->texture.mapped + i * font->texture.stride;
memcpy(dst, src, font->atlas->width);
}
vulkan_sync_texture_to_gpu(font->vk, &font->texture);
vulkan_copy_staging_to_dynamic(font->vk, font->vk->cmd,
VkCommandBuffer staging;
VkSubmitInfo submit_info = { VK_STRUCTURE_TYPE_SUBMIT_INFO };
VkCommandBufferAllocateInfo cmd_info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
VkCommandBufferBeginInfo begin_info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
cmd_info.commandPool = font->vk->staging_pool;
cmd_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
cmd_info.commandBufferCount = 1;
vkAllocateCommandBuffers(font->vk->context->device, &cmd_info, &staging);
begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkBeginCommandBuffer(staging, &begin_info);
vulkan_copy_staging_to_dynamic(font->vk, staging,
&font->texture_optimal, &font->texture);
font->atlas->dirty = false;
vkEndCommandBuffer(staging);
#ifdef HAVE_THREADS
slock_lock(font->vk->context->queue_lock);
#endif
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &staging;
vkQueueSubmit(font->vk->context->queue,
1, &submit_info, VK_NULL_HANDLE);
vkQueueWaitIdle(font->vk->context->queue);
#ifdef HAVE_THREADS
slock_unlock(font->vk->context->queue_lock);
#endif
vkFreeCommandBuffers(font->vk->context->device,
font->vk->staging_pool, 1, &staging);
font->needs_update = false;
}
vulkan_draw_triangles(font->vk, &call);
@ -369,13 +419,20 @@ static void vulkan_raster_font_render_msg(
static const struct font_glyph *vulkan_raster_font_get_glyph(
void *data, uint32_t code)
{
const struct font_glyph* glyph;
vulkan_raster_t *font = (vulkan_raster_t*)data;
if (!font || !font->font_driver)
return NULL;
if (!font->font_driver->ident)
return NULL;
return font->font_driver->get_glyph((void*)font->font_driver, code);
glyph = font->font_driver->get_glyph((void*)font->font_driver, code);
if(glyph)
vulkan_raster_font_update_glyph(font, glyph);
return glyph;
}
static void vulkan_raster_font_flush_block(unsigned width, unsigned height,