RetroArch/menu/drivers_display/menu_display_vulkan.c
Hans-Kristian Arntzen 54c1759f45 Vulkan: Make a more general purpose symbol loader.
Avoids painful manual loading and wrapping function pointers everywhere
...

Reusable for cores, so move to libretro-common.
Also update built-in Vulkan headers.
2016-06-26 13:10:58 +02:00

272 lines
7.9 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2016 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <retro_miscellaneous.h>
#include "../../config.def.h"
#include "../../gfx/font_driver.h"
#include "../../gfx/video_context_driver.h"
#include "../../gfx/common/vulkan_common.h"
#include "../../gfx/video_shader_driver.h"
#include "../menu_display.h"
/* Will do Y-flip later, but try to make it similar to GL. */
static const float vk_vertexes[] = {
0, 0,
1, 0,
0, 1,
1, 1
};
static const float vk_tex_coords[] = {
0, 1,
1, 1,
0, 0,
1, 0
};
static void *menu_display_vk_get_default_mvp(void)
{
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
if (!vk)
return NULL;
return &vk->mvp_no_rot;
}
static const float *menu_display_vk_get_default_vertices(void)
{
return &vk_vertexes[0];
}
static const float *menu_display_vk_get_default_tex_coords(void)
{
return &vk_tex_coords[0];
}
static unsigned to_display_pipeline(
enum menu_display_prim_type type, bool blend)
{
return ((type == MENU_DISPLAY_PRIM_TRIANGLESTRIP) << 1) | (blend << 0);
}
static unsigned to_menu_pipeline(
enum menu_display_prim_type type, unsigned pipeline)
{
switch (pipeline)
{
case VIDEO_SHADER_MENU:
return 4 + (type == MENU_DISPLAY_PRIM_TRIANGLESTRIP);
case VIDEO_SHADER_MENU_SEC:
return 6 + (type == MENU_DISPLAY_PRIM_TRIANGLESTRIP);
default:
return 0;
}
}
static void menu_display_vk_viewport(void *data)
{
menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
if (!vk || !draw)
return;
vk->vk_vp.x = draw->x;
vk->vk_vp.y = vk->context->swapchain_height - draw->y - draw->height;
vk->vk_vp.width = draw->width;
vk->vk_vp.height = draw->height;
vk->vk_vp.minDepth = 0.0f;
vk->vk_vp.maxDepth = 1.0f;
}
static void menu_display_vk_draw_pipeline(void *data)
{
#ifdef HAVE_SHADERPIPELINE
menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
video_coord_array_t *ca = NULL;
static float t = 0.0f;
if (!vk || !draw)
return;
ca = menu_display_get_coords_array();
draw->x = 0;
draw->y = 0;
draw->coords = (struct video_coords*)&ca->coords;
draw->matrix_data = NULL;
draw->pipeline.backend_data = &t;
t += 0.01;
#endif
}
static void menu_display_vk_draw(void *data)
{
unsigned i;
struct vk_buffer_range range;
struct vk_texture *texture = NULL;
const float *vertex = NULL;
const float *tex_coord = NULL;
const float *color = NULL;
struct vk_vertex *pv = NULL;
menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
if (!vk || !draw)
return;
texture = (struct vk_texture*)draw->texture;
vertex = draw->coords->vertex;
tex_coord = draw->coords->tex_coord;
color = draw->coords->color;
if (!vertex)
vertex = menu_display_vk_get_default_vertices();
if (!tex_coord)
tex_coord = menu_display_vk_get_default_tex_coords();
if (!draw->coords->lut_tex_coord)
draw->coords->lut_tex_coord = menu_display_vk_get_default_tex_coords();
if (!texture)
texture = &vk->display.blank_texture;
menu_display_vk_viewport(draw);
vk->tracker.dirty |= VULKAN_DIRTY_DYNAMIC_BIT;
/* Bake interleaved VBO. Kinda ugly, we should probably try to move to
* an interleaved model to begin with ... */
if (!vulkan_buffer_chain_alloc(vk->context, &vk->chain->vbo,
draw->coords->vertices * sizeof(struct vk_vertex), &range))
return;
pv = (struct vk_vertex*)range.data;
for (i = 0; i < draw->coords->vertices; i++, pv++)
{
pv->x = *vertex++;
pv->y = 1.0f - (*vertex++); /* Y-flip. Vulkan is top-left clip space */
pv->tex_x = *tex_coord++;
pv->tex_y = *tex_coord++;
pv->color.r = *color++;
pv->color.g = *color++;
pv->color.b = *color++;
pv->color.a = *color++;
}
switch (draw->pipeline.id)
{
#ifdef HAVE_SHADERPIPELINE
case VIDEO_SHADER_MENU:
case VIDEO_SHADER_MENU_SEC:
{
const struct vk_draw_triangles call = {
vk->display.pipelines[
to_menu_pipeline(draw->prim_type, draw->pipeline.id)],
NULL,
VK_NULL_HANDLE,
draw->pipeline.backend_data,
sizeof(float),
&range,
draw->coords->vertices,
};
vulkan_draw_triangles(vk, &call);
break;
}
#endif
default:
{
const struct vk_draw_triangles call = {
vk->display.pipelines[
to_display_pipeline(draw->prim_type, vk->display.blend)],
texture,
texture->default_smooth
? vk->samplers.linear : vk->samplers.nearest,
draw->matrix_data
? draw->matrix_data : menu_display_vk_get_default_mvp(),
sizeof(math_matrix_4x4),
&range,
draw->coords->vertices,
};
vulkan_draw_triangles(vk, &call);
break;
}
}
}
static void menu_display_vk_restore_clear_color(void)
{
}
static void menu_display_vk_clear_color(menu_display_ctx_clearcolor_t *clearcolor)
{
VkClearRect rect;
VkClearAttachment attachment;
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
if (!vk || !clearcolor)
return;
memset(&attachment, 0, sizeof(attachment));
attachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
attachment.clearValue.color.float32[0] = clearcolor->r;
attachment.clearValue.color.float32[1] = clearcolor->g;
attachment.clearValue.color.float32[2] = clearcolor->b;
attachment.clearValue.color.float32[3] = clearcolor->a;
memset(&rect, 0, sizeof(rect));
rect.rect.extent.width = vk->context->swapchain_width;
rect.rect.extent.height = vk->context->swapchain_height;
rect.layerCount = 1;
vkCmdClearAttachments(vk->cmd, 1, &attachment, 1, &rect);
}
static void menu_display_vk_blend_begin(void)
{
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
vk->display.blend = true;
}
static void menu_display_vk_blend_end(void)
{
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
vk->display.blend = false;
}
static bool menu_display_vk_font_init_first(
void **font_handle, void *video_data, const char *font_path,
float font_size)
{
return font_driver_init_first(NULL, font_handle, video_data,
font_path, font_size, true, FONT_DRIVER_RENDER_VULKAN_API);
}
menu_display_ctx_driver_t menu_display_ctx_vulkan = {
menu_display_vk_draw,
menu_display_vk_draw_pipeline,
menu_display_vk_viewport,
menu_display_vk_blend_begin,
menu_display_vk_blend_end,
menu_display_vk_restore_clear_color,
menu_display_vk_clear_color,
menu_display_vk_get_default_mvp,
menu_display_vk_get_default_vertices,
menu_display_vk_get_default_tex_coords,
menu_display_vk_font_init_first,
MENU_VIDEO_DRIVER_VULKAN,
"menu_display_vulkan",
};