RetroArch/menu/drivers_display/menu_display_vulkan.c
Hans-Kristian Arntzen adbf9fed16 Vulkan implementation.
2016-02-16 20:42:02 +01:00

237 lines
6.3 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 "../menu_display.h"
static const float vk_vertexes[] = {
0, 0,
0, 1,
1, 0,
1, 1
};
static const float vk_tex_coords[] = {
0, 0,
0, 1,
1, 0,
1, 1
};
static vk_t *vk_get_ptr(void)
{
vk_t *vk = (vk_t*)video_driver_get_ptr(false);
if (!vk)
return NULL;
return vk;
}
static void *menu_display_vk_get_default_mvp(void)
{
vk_t *vk = vk_get_ptr();
if (!vk)
return NULL;
return &vk->mvp_no_rot;
}
static unsigned to_display_pipeline(enum menu_display_prim_type prim_type, bool blend)
{
return ((prim_type == MENU_DISPLAY_PRIM_TRIANGLESTRIP) << 1) | (blend << 0);
}
static void menu_display_vk_draw(void *data)
/*
float x, float y,
unsigned width, unsigned height,
struct gfx_coords *coords,
void *matrix_data,
uintptr_t handle,
enum menu_display_prim_type prim_type) */
{
menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
struct vk_texture *texture;
const float *vertex, *tex_coord, *color;
math_matrix_4x4 *mat;
struct vk_buffer_range range;
struct vk_vertex *pv;
unsigned i;
vk_t *vk = vk_get_ptr();
if (!vk)
return;
texture = (struct vk_texture*)draw->texture;
mat = (math_matrix_4x4*)draw->matrix_data;
vertex = draw->coords->vertex;
tex_coord = draw->coords->tex_coord;
color = draw->coords->color;
/* TODO - edge case */
if (draw->height <= 0)
draw->height = 1;
if (!mat)
mat = (math_matrix_4x4*)menu_display_vk_get_default_mvp();
if (!vertex)
vertex = &vk_vertexes[0];
if (!tex_coord)
tex_coord = &vk_tex_coords[0];
if (!texture)
texture = &vk->display.blank_texture;
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;
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 = *vertex++;
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++;
}
{
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,
mat,
&range,
draw->coords->vertices,
};
vulkan_draw_triangles(vk, &call);
}
}
static void menu_display_vk_draw_bg(void *data)
{
struct gfx_coords coords;
const float *new_vertex = NULL;
const float *new_tex_coord = NULL;
menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
vk_t *vk = vk_get_ptr();
if (!vk || !draw)
return;
if (!new_vertex)
new_vertex = &vk_vertexes[0];
if (!new_tex_coord)
new_tex_coord = &vk_tex_coords[0];
coords.vertices = draw->vertex_count;
coords.vertex = new_vertex;
coords.tex_coord = new_tex_coord;
coords.color = (const float*)draw->color;
vk->display.blend = true;
menu_display_ctl(MENU_DISPLAY_CTL_SET_VIEWPORT, NULL);
if (
(settings->menu.pause_libretro
|| !rarch_ctl(RARCH_CTL_IS_INITED, NULL)
|| rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL)
)
&& !draw->force_transparency && draw->texture)
coords.color = (const float*)draw->color2;
draw->x = 0;
draw->y = 0;
draw->coords = &coords;
draw->matrix_data = (math_matrix_4x4*)
menu_display_vk_get_default_mvp();
menu_display_vk_draw(draw);
vk->display.blend = false;
}
static void menu_display_vk_restore_clear_color(void)
{
//glClearColor(0.0f, 0.0f, 0.0f, 0.00f);
}
static void menu_display_vk_clear_color(void *data)
{
(void)data;
/* FIXME: This makes little sense in Vulkan.
* We shouldn't be clearing mid-screen nilly willy. */
}
static const float *menu_display_vk_get_tex_coords(void)
{
return &vk_tex_coords[0];
}
static void menu_display_vk_blend_begin(void)
{
vk_t *vk = vk_get_ptr();
vk->display.blend = true;
}
static void menu_display_vk_blend_end(void)
{
vk_t *vk = vk_get_ptr();
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_bg,
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_tex_coords,
menu_display_vk_font_init_first,
MENU_VIDEO_DRIVER_VULKAN,
"menu_display_vulkan",
};