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https://github.com/libretro/RetroArch.git
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3a984fc2e5
(retroarch.c) Simplify video_driver_get_ptr
180 lines
5.5 KiB
C
180 lines
5.5 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2017 - Daniel De Matteis
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* Copyright (C) 2016-2019 - Brad Parker
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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 <time.h>
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#include <clamping.h>
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#include <queues/message_queue.h>
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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 "../../retroarch.h"
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#include "../../verbosity.h"
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#include "../menu_driver.h"
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#if defined(_WIN32) && !defined(_XBOX)
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#include "../../gfx/common/win32_common.h"
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#include "../../gfx/common/gdi_common.h"
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#endif
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static void *menu_display_gdi_get_default_mvp(video_frame_info_t *video_info)
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{
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return NULL;
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}
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static void menu_display_gdi_blend_begin(video_frame_info_t *video_info)
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{
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}
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static void menu_display_gdi_blend_end(video_frame_info_t *video_info)
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{
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}
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static void menu_display_gdi_draw(menu_display_ctx_draw_t *draw,
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video_frame_info_t *video_info)
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{
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struct gdi_texture *texture = NULL;
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gdi_t *gdi = (gdi_t*)video_info->userdata;
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BITMAPINFO info = {{0}};
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if (!gdi || !draw || draw->x < 0 || draw->y < 0 || draw->width <= 1 || draw->height <= 1)
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return;
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texture = (struct gdi_texture*)draw->texture;
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if (!texture || texture->width <= 1 || texture->height <= 1)
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return;
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info.bmiHeader.biBitCount = 32;
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info.bmiHeader.biWidth = texture->width;
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info.bmiHeader.biHeight = -texture->height;
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info.bmiHeader.biPlanes = 1;
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info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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info.bmiHeader.biSizeImage = 0;
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info.bmiHeader.biCompression = BI_RGB;
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if (gdi->memDC)
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{
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#if _WIN32_WINNT >= 0x0410 /* Win98 */
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BLENDFUNCTION blend = {0};
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#endif
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if (!gdi->texDC)
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gdi->texDC = CreateCompatibleDC(gdi->winDC);
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if (texture->bmp)
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texture->bmp_old = (HBITMAP)SelectObject(gdi->texDC, texture->bmp);
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else
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{
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/* scale texture data into a bitmap we can easily blit later */
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texture->bmp = CreateCompatibleBitmap(gdi->winDC, draw->width, draw->height);
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texture->bmp_old = (HBITMAP)SelectObject(gdi->texDC, texture->bmp);
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StretchDIBits(gdi->texDC, 0, 0, draw->width, draw->height, 0, 0, texture->width, texture->height, texture->data, &info, DIB_RGB_COLORS, SRCCOPY);
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}
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gdi->bmp_old = (HBITMAP)SelectObject(gdi->memDC, gdi->bmp);
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#if _WIN32_WINNT >= 0x0410 /* Win98 */
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blend.BlendOp = AC_SRC_OVER;
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blend.BlendFlags = 0;
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blend.SourceConstantAlpha = 255;/*clamp_8bit(draw->coords->color[3] * 255.0f);*/
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blend.AlphaFormat = AC_SRC_ALPHA;
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/* AlphaBlend() is only available since Win98 */
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AlphaBlend(gdi->memDC, draw->x, video_info->height - draw->height - draw->y, draw->width, draw->height, gdi->texDC, 0, 0, draw->width, draw->height, blend);
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/*TransparentBlt(gdi->memDC, draw->x, video_info->height - draw->height - draw->y, draw->width, draw->height, gdi->texDC, 0, 0, draw->width, draw->height, 0);*/
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#else
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/* Just draw without the blending */
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StretchBlt(gdi->memDC, draw->x, video_info->height - draw->height - draw->y, draw->width, draw->height, gdi->texDC, 0, 0, draw->width, draw->height, SRCCOPY);
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#endif
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SelectObject(gdi->memDC, gdi->bmp_old);
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SelectObject(gdi->texDC, texture->bmp_old);
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}
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}
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static void menu_display_gdi_draw_pipeline(menu_display_ctx_draw_t *draw,
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video_frame_info_t *video_info)
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{
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}
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static void menu_display_gdi_viewport(menu_display_ctx_draw_t *draw,
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video_frame_info_t *video_info)
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{
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}
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static void menu_display_gdi_restore_clear_color(void)
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{
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}
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static void menu_display_gdi_clear_color(
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menu_display_ctx_clearcolor_t *clearcolor,
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video_frame_info_t *video_info)
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{
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(void)clearcolor;
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menu_display_gdi_restore_clear_color();
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}
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static bool menu_display_gdi_font_init_first(
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void **font_handle, void *video_data,
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const char *font_path, float gdi_font_size,
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bool is_threaded)
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{
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font_data_t **handle = (font_data_t**)font_handle;
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if (!(*handle = font_driver_init_first(video_data,
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font_path, gdi_font_size, true,
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is_threaded,
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FONT_DRIVER_RENDER_GDI)))
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return false;
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return true;
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}
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static const float *menu_display_gdi_get_default_vertices(void)
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{
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static float dummy[16] = {0.0f};
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return &dummy[0];
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}
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static const float *menu_display_gdi_get_default_tex_coords(void)
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{
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static float dummy[16] = {0.0f};
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return &dummy[0];
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}
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menu_display_ctx_driver_t menu_display_ctx_gdi = {
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menu_display_gdi_draw,
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menu_display_gdi_draw_pipeline,
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menu_display_gdi_viewport,
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menu_display_gdi_blend_begin,
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menu_display_gdi_blend_end,
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menu_display_gdi_restore_clear_color,
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menu_display_gdi_clear_color,
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menu_display_gdi_get_default_mvp,
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menu_display_gdi_get_default_vertices,
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menu_display_gdi_get_default_tex_coords,
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menu_display_gdi_font_init_first,
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MENU_VIDEO_DRIVER_GDI,
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"gdi",
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false,
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NULL,
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NULL
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};
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