mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-27 13:16:14 +00:00
242 lines
6.8 KiB
C
242 lines
6.8 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2016 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <retro_miscellaneous.h>
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#include "../../config.def.h"
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#include "../../gfx/font_driver.h"
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#include "../../gfx/video_context_driver.h"
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#include "../../gfx/common/vulkan_common.h"
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#include "../menu_display.h"
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static const float vk_vertexes[] = {
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0, 0,
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0, 1,
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1, 0,
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1, 1
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};
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static const float vk_tex_coords[] = {
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0, 0,
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0, 1,
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1, 0,
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1, 1
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};
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static vk_t *vk_get_ptr(void)
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{
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vk_t *vk = (vk_t*)video_driver_get_ptr(false);
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if (!vk)
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return NULL;
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return vk;
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}
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static void *menu_display_vk_get_default_mvp(void)
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{
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vk_t *vk = vk_get_ptr();
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if (!vk)
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return NULL;
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return &vk->mvp_no_rot;
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}
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static unsigned to_display_pipeline(
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enum menu_display_prim_type type, bool blend)
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{
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return ((type == MENU_DISPLAY_PRIM_TRIANGLESTRIP) << 1) | (blend << 0);
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}
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static void menu_display_vk_draw(void *data)
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{
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unsigned i;
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struct vk_buffer_range range;
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struct vk_texture *texture = NULL;
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const float *vertex = NULL;
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const float *tex_coord = NULL;
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const float *color = NULL;
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math_matrix_4x4 *mat = NULL;
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struct vk_vertex *pv = NULL;
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menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
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vk_t *vk = vk_get_ptr();
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if (!vk)
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return;
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texture = (struct vk_texture*)draw->texture;
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mat = (math_matrix_4x4*)draw->matrix_data;
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vertex = draw->coords->vertex;
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tex_coord = draw->coords->tex_coord;
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color = draw->coords->color;
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/* TODO - edge case */
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if (draw->height <= 0)
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draw->height = 1;
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if (!mat)
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mat = (math_matrix_4x4*)menu_display_vk_get_default_mvp();
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if (!vertex)
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vertex = &vk_vertexes[0];
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if (!tex_coord)
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tex_coord = &vk_tex_coords[0];
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if (!texture)
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texture = &vk->display.blank_texture;
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vk->vk_vp.x = draw->x;
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vk->vk_vp.y = vk->context->swapchain_height - draw->y - draw->height;
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vk->vk_vp.width = draw->width;
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vk->vk_vp.height = draw->height;
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vk->vk_vp.minDepth = 0.0f;
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vk->vk_vp.maxDepth = 1.0f;
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vk->tracker.dirty |= VULKAN_DIRTY_DYNAMIC_BIT;
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/* Bake interleaved VBO. Kinda ugly, we should probably try to move to
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* an interleaved model to begin with ... */
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if (!vulkan_buffer_chain_alloc(vk->context, &vk->chain->vbo,
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draw->coords->vertices * sizeof(struct vk_vertex), &range))
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return;
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pv = (struct vk_vertex*)range.data;
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for (i = 0; i < draw->coords->vertices; i++, pv++)
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{
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pv->x = *vertex++;
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pv->y = *vertex++;
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pv->tex_x = *tex_coord++;
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pv->tex_y = *tex_coord++;
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pv->color.r = *color++;
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pv->color.g = *color++;
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pv->color.b = *color++;
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pv->color.a = *color++;
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}
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{
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const struct vk_draw_triangles call = {
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vk->display.pipelines[
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to_display_pipeline(draw->prim_type, vk->display.blend)],
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texture,
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texture->default_smooth
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? vk->samplers.linear : vk->samplers.nearest,
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mat,
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&range,
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draw->coords->vertices,
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};
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vulkan_draw_triangles(vk, &call);
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}
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}
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static const float *menu_display_vk_get_default_vertices(void)
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{
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return &vk_vertexes[0];
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}
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static const float *menu_display_vk_get_default_tex_coords(void)
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{
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return &vk_tex_coords[0];
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}
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static void menu_display_vk_draw_bg(void *data)
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{
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struct gfx_coords coords;
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const float *new_vertex = NULL;
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const float *new_tex_coord = NULL;
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menu_display_ctx_draw_t *draw = (menu_display_ctx_draw_t*)data;
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if (!draw)
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return;
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if (!new_vertex)
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new_vertex = menu_display_vk_get_default_vertices();
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if (!new_tex_coord)
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new_tex_coord = menu_display_vk_get_default_tex_coords();
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coords.vertices = draw->vertex_count;
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coords.vertex = new_vertex;
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coords.tex_coord = new_tex_coord;
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coords.color = (const float*)draw->color;
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if (!draw->texture)
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draw->texture = menu_display_white_texture;
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draw->x = 0;
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draw->y = 0;
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draw->coords = &coords;
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draw->matrix_data = (math_matrix_4x4*)
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menu_display_vk_get_default_mvp();
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menu_display_vk_draw(draw);
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}
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static void menu_display_vk_restore_clear_color(void)
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{
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}
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static void menu_display_vk_clear_color(void *data)
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{
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VkClearRect rect;
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VkClearAttachment attachment;
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menu_display_ctx_clearcolor_t *clearcolor =
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(menu_display_ctx_clearcolor_t*)data;
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vk_t *vk = vk_get_ptr();
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if (!vk || !clearcolor)
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return;
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attachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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attachment.clearValue.color.float32[0] = clearcolor->r;
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attachment.clearValue.color.float32[1] = clearcolor->g;
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attachment.clearValue.color.float32[2] = clearcolor->b;
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attachment.clearValue.color.float32[3] = clearcolor->a;
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memset(&rect, 0, sizeof(rect));
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rect.rect.extent.width = vk->context->swapchain_width;
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rect.rect.extent.height = vk->context->swapchain_height;
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rect.layerCount = 1;
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VKFUNC(vkCmdClearAttachments)(vk->cmd, 1, &attachment, 1, &rect);
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}
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static void menu_display_vk_blend_begin(void)
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{
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vk_t *vk = vk_get_ptr();
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vk->display.blend = true;
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}
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static void menu_display_vk_blend_end(void)
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{
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vk_t *vk = vk_get_ptr();
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vk->display.blend = false;
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}
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static bool menu_display_vk_font_init_first(
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void **font_handle, void *video_data, const char *font_path,
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float font_size)
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{
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return font_driver_init_first(NULL, font_handle, video_data,
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font_path, font_size, true, FONT_DRIVER_RENDER_VULKAN_API);
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}
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menu_display_ctx_driver_t menu_display_ctx_vulkan = {
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menu_display_vk_draw,
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menu_display_vk_draw_bg,
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menu_display_vk_blend_begin,
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menu_display_vk_blend_end,
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menu_display_vk_restore_clear_color,
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menu_display_vk_clear_color,
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menu_display_vk_get_default_mvp,
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menu_display_vk_get_default_vertices,
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menu_display_vk_get_default_tex_coords,
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menu_display_vk_font_init_first,
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MENU_VIDEO_DRIVER_VULKAN,
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"menu_display_vulkan",
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};
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