EOL fixes

This commit is contained in:
Toad King 2012-06-19 15:01:34 -04:00
parent 92f345cb5e
commit c5a2fbc6e6
2 changed files with 741 additions and 741 deletions

870
gfx/rpi.c
View File

@ -1,435 +1,435 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
* Copyright (C) 2012 - Michael Lelli
*
* 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 <math.h>
#include <unistd.h>
#include <bcm_host.h>
#include <VG/openvg.h>
#include <VG/vgu.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "../libretro.h"
#include "../general.h"
#include "../input/linuxraw_input.h"
#include "../driver.h"
#ifdef HAVE_FREETYPE
#include "fonts/fonts.h"
#include "../file.h"
#endif
typedef struct {
EGLDisplay mDisplay;
EGLSurface mSurface;
EGLContext mContext;
uint32_t mScreenWidth;
uint32_t mScreenHeight;
float mScreenAspect;
bool mKeepAspect;
unsigned mTextureWidth;
unsigned mTextureHeight;
unsigned mRenderWidth;
unsigned mRenderHeight;
unsigned x1, y1, x2, y2;
VGImageFormat mTexType;
VGImage mImage;
VGfloat mTransformMatrix[9];
VGint scissor[4];
#ifdef HAVE_FREETYPE
char *mLastMsg;
uint32_t mFontHeight;
VGFont mFont;
font_renderer_t *mFontRenderer;
bool mFontsOn;
VGuint mMsgLength;
VGuint mGlyphIndices[1024];
VGPaint mPaintFg;
VGPaint mPaintBg;
#endif
} rpi_t;
static volatile sig_atomic_t rpi_shutdown = 0;
static void rpi_kill(int sig)
{
(void)sig;
rpi_shutdown = 1;
}
static void rpi_set_nonblock_state(void *data, bool state)
{
rpi_t *rpi = (rpi_t*)data;
eglSwapInterval(rpi->mDisplay, state ? 0 : 1);
}
static void *rpi_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
int32_t success;
EGLBoolean result;
EGLint num_config;
rpi_t *rpi = (rpi_t*)calloc(1, sizeof(rpi_t));
*input = NULL;
static EGL_DISPMANX_WINDOW_T nativewindow;
DISPMANX_ELEMENT_HANDLE_T dispman_element;
DISPMANX_DISPLAY_HANDLE_T dispman_display;
DISPMANX_UPDATE_HANDLE_T dispman_update;
DISPMANX_MODEINFO_T dispman_modeinfo;
VC_RECT_T dst_rect;
VC_RECT_T src_rect;
static const EGLint attribute_list[] =
{
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_NONE
};
EGLConfig config;
bcm_host_init();
// get an EGL display connection
rpi->mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
rarch_assert(rpi->mDisplay != EGL_NO_DISPLAY);
// initialize the EGL display connection
result = eglInitialize(rpi->mDisplay, NULL, NULL);
rarch_assert(result != EGL_FALSE);
eglBindAPI(EGL_OPENVG_API);
// get an appropriate EGL frame buffer configuration
result = eglChooseConfig(rpi->mDisplay, attribute_list, &config, 1, &num_config);
rarch_assert(result != EGL_FALSE);
// create an EGL rendering context
rpi->mContext = eglCreateContext(rpi->mDisplay, config, EGL_NO_CONTEXT, NULL);
rarch_assert(rpi->mContext != EGL_NO_CONTEXT);
// create an EGL window surface
success = graphics_get_display_size(0 /* LCD */, &rpi->mScreenWidth, &rpi->mScreenHeight);
rarch_assert(success >= 0);
dst_rect.x = 0;
dst_rect.y = 0;
dst_rect.width = rpi->mScreenWidth;
dst_rect.height = rpi->mScreenHeight;
src_rect.x = 0;
src_rect.y = 0;
src_rect.width = rpi->mScreenWidth << 16;
src_rect.height = rpi->mScreenHeight << 16;
dispman_display = vc_dispmanx_display_open(0 /* LCD */);
vc_dispmanx_display_get_info(dispman_display, &dispman_modeinfo);
dispman_update = vc_dispmanx_update_start(0);
dispman_element = vc_dispmanx_element_add ( dispman_update, dispman_display,
0/*layer*/, &dst_rect, 0/*src*/,
&src_rect, DISPMANX_PROTECTION_NONE, 0 /*alpha*/, 0/*clamp*/, DISPMANX_NO_ROTATE);
nativewindow.element = dispman_element;
nativewindow.width = rpi->mScreenWidth;
nativewindow.height = rpi->mScreenHeight;
vc_dispmanx_update_submit_sync(dispman_update);
rpi->mSurface = eglCreateWindowSurface(rpi->mDisplay, config, &nativewindow, NULL);
rarch_assert(rpi->mSurface != EGL_NO_SURFACE);
// connect the context to the surface
result = eglMakeCurrent(rpi->mDisplay, rpi->mSurface, rpi->mSurface, rpi->mContext);
rarch_assert(result != EGL_FALSE);
rpi->mTexType = video->rgb32 ? VG_sABGR_8888 : VG_sARGB_1555;
rpi->mKeepAspect = video->force_aspect;
// check for SD televisions: they should always be 4:3
if (dispman_modeinfo.width == 720 && (dispman_modeinfo.height == 480 || dispman_modeinfo.height == 576))
rpi->mScreenAspect = 4.0f / 3.0f;
else
rpi->mScreenAspect = (float) dispman_modeinfo.width / dispman_modeinfo.height;
VGfloat clearColor[4] = {0, 0, 0, 1};
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
rpi->mTextureWidth = rpi->mTextureHeight = video->input_scale * RARCH_SCALE_BASE;
// We can't use the native format because there's no sXRGB_1555 type and
// emulation cores can send 0 in the top bit. We lose some speed on
// conversion but I doubt it has any real affect, since we are only drawing
// one image at the end of the day. Still keep the alpha channel for ABGR.
rpi->mImage = vgCreateImage(video->rgb32 ? VG_sABGR_8888 : VG_sXBGR_8888, rpi->mTextureWidth, rpi->mTextureHeight, video->smooth ? VG_IMAGE_QUALITY_BETTER : VG_IMAGE_QUALITY_NONANTIALIASED);
rpi_set_nonblock_state(rpi, !video->vsync);
linuxraw_input_t *linuxraw_input = (linuxraw_input_t *)input_linuxraw.init();
if (linuxraw_input)
{
*input = (const input_driver_t *)&input_linuxraw;
*input_data = linuxraw_input;
}
#ifdef HAVE_FREETYPE
if (g_settings.video.font_enable)
{
rpi->mFont = vgCreateFont(0);
rpi->mFontHeight = g_settings.video.font_size * (g_settings.video.font_scale ? (float) rpi->mScreenWidth / 1280.0f : 1.0f);
const char *path = g_settings.video.font_path;
if (!*path || !path_file_exists(path))
path = font_renderer_get_default_font();
rpi->mFontRenderer = font_renderer_new(path, rpi->mFontHeight);
if (rpi->mFont != VG_INVALID_HANDLE && rpi->mFontRenderer)
{
rpi->mFontsOn = true;
rpi->mPaintFg = vgCreatePaint();
rpi->mPaintBg = vgCreatePaint();
VGfloat paintFg[] = { g_settings.video.msg_color_r, g_settings.video.msg_color_g, g_settings.video.msg_color_b, 1.0f };
VGfloat paintBg[] = { g_settings.video.msg_color_r / 2.0f, g_settings.video.msg_color_g / 2.0f, g_settings.video.msg_color_b / 2.0f, 0.5f };
vgSetParameteri(rpi->mPaintFg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(rpi->mPaintFg, VG_PAINT_COLOR, 4, paintFg);
vgSetParameteri(rpi->mPaintBg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(rpi->mPaintBg, VG_PAINT_COLOR, 4, paintBg);
}
}
#endif
struct sigaction sa;
sa.sa_handler = rpi_kill;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
return rpi;
}
static void rpi_free(void *data)
{
rpi_t *rpi = (rpi_t*)data;
vgDestroyImage(rpi->mImage);
#ifdef HAVE_FREETYPE
if (rpi->mFontsOn)
{
vgDestroyFont(rpi->mFont);
font_renderer_free(rpi->mFontRenderer);
vgDestroyPaint(rpi->mPaintFg);
vgDestroyPaint(rpi->mPaintBg);
}
#endif
// Release EGL resources
eglMakeCurrent(rpi->mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(rpi->mDisplay, rpi->mSurface);
eglDestroyContext(rpi->mDisplay, rpi->mContext);
eglTerminate(rpi->mDisplay);
free(rpi);
}
#ifdef HAVE_FREETYPE
static void rpi_render_message(rpi_t *rpi, const char *msg)
{
free(rpi->mLastMsg);
rpi->mLastMsg = strdup(msg);
if(rpi->mMsgLength)
{
while (--rpi->mMsgLength)
vgClearGlyph(rpi->mFont, rpi->mMsgLength);
vgClearGlyph(rpi->mFont, 0);
}
struct font_output_list out;
font_renderer_msg(rpi->mFontRenderer, msg, &out);
struct font_output *head = out.head;
while (head)
{
if (rpi->mMsgLength >= 1024)
break;
VGfloat origin[2], escapement[2];
VGImage img;
escapement[0] = (VGfloat) (head->advance_x);
escapement[1] = (VGfloat) (head->advance_y);
origin[0] = (VGfloat) (-head->char_off_x);
origin[1] = (VGfloat) (head->char_off_y);
img = vgCreateImage(VG_A_8, head->width, head->height, VG_IMAGE_QUALITY_NONANTIALIASED);
// flip it
for (unsigned i = 0; i < head->height; i++)
vgImageSubData(img, head->output + head->pitch * i, head->pitch, VG_A_8, 0, head->height - i - 1, head->width, 1);
vgSetGlyphToImage(rpi->mFont, rpi->mMsgLength, img, origin, escapement);
vgDestroyImage(img);
rpi->mMsgLength++;
head = head->next;
}
font_renderer_free_output(&out);
for (unsigned i = 0; i < rpi->mMsgLength; i++)
rpi->mGlyphIndices[i] = i;
}
static void rpi_draw_message(rpi_t *rpi, const char *msg)
{
if (!rpi->mLastMsg || strcmp(rpi->mLastMsg, msg))
rpi_render_message(rpi, msg);
vgSeti(VG_SCISSORING, VG_FALSE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_STENCIL);
VGfloat origins[] = { rpi->mScreenWidth * g_settings.video.msg_pos_x - 2.0f, rpi->mScreenHeight * g_settings.video.msg_pos_y - 2.0f };
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(rpi->mPaintBg, VG_FILL_PATH);
vgDrawGlyphs(rpi->mFont, rpi->mMsgLength, rpi->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
origins[0] += 2.0f;
origins[1] += 2.0f;
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(rpi->mPaintFg, VG_FILL_PATH);
vgDrawGlyphs(rpi->mFont, rpi->mMsgLength, rpi->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
vgSeti(VG_SCISSORING, VG_TRUE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL);
}
#endif
static void rpi_calculate_quad(rpi_t *rpi)
{
// set viewport for aspect ratio, taken from the OpenGL driver
if (rpi->mKeepAspect)
{
float desired_aspect = g_settings.video.aspect_ratio;
// If the aspect ratios of screen and desired aspect ratio are sufficiently equal (floating point stuff),
// assume they are actually equal.
if (fabs(rpi->mScreenAspect - desired_aspect) < 0.0001)
{
rpi->x1 = 0;
rpi->y1 = 0;
rpi->x2 = rpi->mScreenWidth;
rpi->y2 = rpi->mScreenHeight;
}
else if (rpi->mScreenAspect > desired_aspect)
{
float delta = (desired_aspect / rpi->mScreenAspect - 1.0) / 2.0 + 0.5;
rpi->x1 = rpi->mScreenWidth * (0.5 - delta);
rpi->y1 = 0;
rpi->x2 = 2.0 * rpi->mScreenWidth * delta + rpi->x1;
rpi->y2 = rpi->mScreenHeight + rpi->y1;
}
else
{
float delta = (rpi->mScreenAspect / desired_aspect - 1.0) / 2.0 + 0.5;
rpi->x1 = 0;
rpi->y1 = rpi->mScreenHeight * (0.5 - delta);
rpi->x2 = rpi->mScreenWidth + rpi->x1;
rpi->y2 = 2.0 * rpi->mScreenHeight * delta + rpi->y1;
}
}
else
{
rpi->x1 = 0;
rpi->y1 = 0;
rpi->x2 = rpi->mScreenWidth;
rpi->y2 = rpi->mScreenHeight;
}
rpi->scissor[0] = rpi->x1;
rpi->scissor[1] = rpi->y1;
rpi->scissor[2] = rpi->x2 - rpi->x1;
rpi->scissor[3] = rpi->y2 - rpi->y1;
vgSetiv(VG_SCISSOR_RECTS, 4, rpi->scissor);
}
static bool rpi_frame(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg)
{
rpi_t *rpi = (rpi_t*)data;
if (width != rpi->mRenderWidth || height != rpi->mRenderHeight)
{
rpi->mRenderWidth = width;
rpi->mRenderHeight = height;
rpi_calculate_quad(rpi);
vguComputeWarpQuadToQuad(
rpi->x1, rpi->y1, rpi->x2, rpi->y1, rpi->x2, rpi->y2, rpi->x1, rpi->y2,
// needs to be flipped, Khronos loves their bottom-left origin
0, height, width, height, width, 0, 0, 0,
rpi->mTransformMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(rpi->mTransformMatrix);
}
vgSeti(VG_SCISSORING, VG_FALSE);
vgClear(0, 0, rpi->mScreenWidth, rpi->mScreenHeight);
vgSeti(VG_SCISSORING, VG_TRUE);
vgImageSubData(rpi->mImage, frame, pitch, rpi->mTexType, 0, 0, width, height);
vgDrawImage(rpi->mImage);
#ifdef HAVE_FREETYPE
if (msg && rpi->mFontsOn)
rpi_draw_message(rpi, msg);
#else
(void)msg;
#endif
eglSwapBuffers(rpi->mDisplay, rpi->mSurface);
return true;
}
static bool rpi_alive(void *data)
{
(void)data;
return !rpi_shutdown;
}
static bool rpi_focus(void *data)
{
(void)data;
return true;
}
const video_driver_t video_rpi = {
rpi_init,
rpi_frame,
rpi_set_nonblock_state,
rpi_alive,
rpi_focus,
NULL,
rpi_free,
"rpi"
};
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
* Copyright (C) 2012 - Michael Lelli
*
* 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 <math.h>
#include <unistd.h>
#include <bcm_host.h>
#include <VG/openvg.h>
#include <VG/vgu.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "../libretro.h"
#include "../general.h"
#include "../input/linuxraw_input.h"
#include "../driver.h"
#ifdef HAVE_FREETYPE
#include "fonts/fonts.h"
#include "../file.h"
#endif
typedef struct {
EGLDisplay mDisplay;
EGLSurface mSurface;
EGLContext mContext;
uint32_t mScreenWidth;
uint32_t mScreenHeight;
float mScreenAspect;
bool mKeepAspect;
unsigned mTextureWidth;
unsigned mTextureHeight;
unsigned mRenderWidth;
unsigned mRenderHeight;
unsigned x1, y1, x2, y2;
VGImageFormat mTexType;
VGImage mImage;
VGfloat mTransformMatrix[9];
VGint scissor[4];
#ifdef HAVE_FREETYPE
char *mLastMsg;
uint32_t mFontHeight;
VGFont mFont;
font_renderer_t *mFontRenderer;
bool mFontsOn;
VGuint mMsgLength;
VGuint mGlyphIndices[1024];
VGPaint mPaintFg;
VGPaint mPaintBg;
#endif
} rpi_t;
static volatile sig_atomic_t rpi_shutdown = 0;
static void rpi_kill(int sig)
{
(void)sig;
rpi_shutdown = 1;
}
static void rpi_set_nonblock_state(void *data, bool state)
{
rpi_t *rpi = (rpi_t*)data;
eglSwapInterval(rpi->mDisplay, state ? 0 : 1);
}
static void *rpi_init(const video_info_t *video, const input_driver_t **input, void **input_data)
{
int32_t success;
EGLBoolean result;
EGLint num_config;
rpi_t *rpi = (rpi_t*)calloc(1, sizeof(rpi_t));
*input = NULL;
static EGL_DISPMANX_WINDOW_T nativewindow;
DISPMANX_ELEMENT_HANDLE_T dispman_element;
DISPMANX_DISPLAY_HANDLE_T dispman_display;
DISPMANX_UPDATE_HANDLE_T dispman_update;
DISPMANX_MODEINFO_T dispman_modeinfo;
VC_RECT_T dst_rect;
VC_RECT_T src_rect;
static const EGLint attribute_list[] =
{
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_NONE
};
EGLConfig config;
bcm_host_init();
// get an EGL display connection
rpi->mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
rarch_assert(rpi->mDisplay != EGL_NO_DISPLAY);
// initialize the EGL display connection
result = eglInitialize(rpi->mDisplay, NULL, NULL);
rarch_assert(result != EGL_FALSE);
eglBindAPI(EGL_OPENVG_API);
// get an appropriate EGL frame buffer configuration
result = eglChooseConfig(rpi->mDisplay, attribute_list, &config, 1, &num_config);
rarch_assert(result != EGL_FALSE);
// create an EGL rendering context
rpi->mContext = eglCreateContext(rpi->mDisplay, config, EGL_NO_CONTEXT, NULL);
rarch_assert(rpi->mContext != EGL_NO_CONTEXT);
// create an EGL window surface
success = graphics_get_display_size(0 /* LCD */, &rpi->mScreenWidth, &rpi->mScreenHeight);
rarch_assert(success >= 0);
dst_rect.x = 0;
dst_rect.y = 0;
dst_rect.width = rpi->mScreenWidth;
dst_rect.height = rpi->mScreenHeight;
src_rect.x = 0;
src_rect.y = 0;
src_rect.width = rpi->mScreenWidth << 16;
src_rect.height = rpi->mScreenHeight << 16;
dispman_display = vc_dispmanx_display_open(0 /* LCD */);
vc_dispmanx_display_get_info(dispman_display, &dispman_modeinfo);
dispman_update = vc_dispmanx_update_start(0);
dispman_element = vc_dispmanx_element_add ( dispman_update, dispman_display,
0/*layer*/, &dst_rect, 0/*src*/,
&src_rect, DISPMANX_PROTECTION_NONE, 0 /*alpha*/, 0/*clamp*/, DISPMANX_NO_ROTATE);
nativewindow.element = dispman_element;
nativewindow.width = rpi->mScreenWidth;
nativewindow.height = rpi->mScreenHeight;
vc_dispmanx_update_submit_sync(dispman_update);
rpi->mSurface = eglCreateWindowSurface(rpi->mDisplay, config, &nativewindow, NULL);
rarch_assert(rpi->mSurface != EGL_NO_SURFACE);
// connect the context to the surface
result = eglMakeCurrent(rpi->mDisplay, rpi->mSurface, rpi->mSurface, rpi->mContext);
rarch_assert(result != EGL_FALSE);
rpi->mTexType = video->rgb32 ? VG_sABGR_8888 : VG_sARGB_1555;
rpi->mKeepAspect = video->force_aspect;
// check for SD televisions: they should always be 4:3
if (dispman_modeinfo.width == 720 && (dispman_modeinfo.height == 480 || dispman_modeinfo.height == 576))
rpi->mScreenAspect = 4.0f / 3.0f;
else
rpi->mScreenAspect = (float) dispman_modeinfo.width / dispman_modeinfo.height;
VGfloat clearColor[4] = {0, 0, 0, 1};
vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
rpi->mTextureWidth = rpi->mTextureHeight = video->input_scale * RARCH_SCALE_BASE;
// We can't use the native format because there's no sXRGB_1555 type and
// emulation cores can send 0 in the top bit. We lose some speed on
// conversion but I doubt it has any real affect, since we are only drawing
// one image at the end of the day. Still keep the alpha channel for ABGR.
rpi->mImage = vgCreateImage(video->rgb32 ? VG_sABGR_8888 : VG_sXBGR_8888, rpi->mTextureWidth, rpi->mTextureHeight, video->smooth ? VG_IMAGE_QUALITY_BETTER : VG_IMAGE_QUALITY_NONANTIALIASED);
rpi_set_nonblock_state(rpi, !video->vsync);
linuxraw_input_t *linuxraw_input = (linuxraw_input_t *)input_linuxraw.init();
if (linuxraw_input)
{
*input = (const input_driver_t *)&input_linuxraw;
*input_data = linuxraw_input;
}
#ifdef HAVE_FREETYPE
if (g_settings.video.font_enable)
{
rpi->mFont = vgCreateFont(0);
rpi->mFontHeight = g_settings.video.font_size * (g_settings.video.font_scale ? (float) rpi->mScreenWidth / 1280.0f : 1.0f);
const char *path = g_settings.video.font_path;
if (!*path || !path_file_exists(path))
path = font_renderer_get_default_font();
rpi->mFontRenderer = font_renderer_new(path, rpi->mFontHeight);
if (rpi->mFont != VG_INVALID_HANDLE && rpi->mFontRenderer)
{
rpi->mFontsOn = true;
rpi->mPaintFg = vgCreatePaint();
rpi->mPaintBg = vgCreatePaint();
VGfloat paintFg[] = { g_settings.video.msg_color_r, g_settings.video.msg_color_g, g_settings.video.msg_color_b, 1.0f };
VGfloat paintBg[] = { g_settings.video.msg_color_r / 2.0f, g_settings.video.msg_color_g / 2.0f, g_settings.video.msg_color_b / 2.0f, 0.5f };
vgSetParameteri(rpi->mPaintFg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(rpi->mPaintFg, VG_PAINT_COLOR, 4, paintFg);
vgSetParameteri(rpi->mPaintBg, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
vgSetParameterfv(rpi->mPaintBg, VG_PAINT_COLOR, 4, paintBg);
}
}
#endif
struct sigaction sa;
sa.sa_handler = rpi_kill;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
return rpi;
}
static void rpi_free(void *data)
{
rpi_t *rpi = (rpi_t*)data;
vgDestroyImage(rpi->mImage);
#ifdef HAVE_FREETYPE
if (rpi->mFontsOn)
{
vgDestroyFont(rpi->mFont);
font_renderer_free(rpi->mFontRenderer);
vgDestroyPaint(rpi->mPaintFg);
vgDestroyPaint(rpi->mPaintBg);
}
#endif
// Release EGL resources
eglMakeCurrent(rpi->mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(rpi->mDisplay, rpi->mSurface);
eglDestroyContext(rpi->mDisplay, rpi->mContext);
eglTerminate(rpi->mDisplay);
free(rpi);
}
#ifdef HAVE_FREETYPE
static void rpi_render_message(rpi_t *rpi, const char *msg)
{
free(rpi->mLastMsg);
rpi->mLastMsg = strdup(msg);
if(rpi->mMsgLength)
{
while (--rpi->mMsgLength)
vgClearGlyph(rpi->mFont, rpi->mMsgLength);
vgClearGlyph(rpi->mFont, 0);
}
struct font_output_list out;
font_renderer_msg(rpi->mFontRenderer, msg, &out);
struct font_output *head = out.head;
while (head)
{
if (rpi->mMsgLength >= 1024)
break;
VGfloat origin[2], escapement[2];
VGImage img;
escapement[0] = (VGfloat) (head->advance_x);
escapement[1] = (VGfloat) (head->advance_y);
origin[0] = (VGfloat) (-head->char_off_x);
origin[1] = (VGfloat) (head->char_off_y);
img = vgCreateImage(VG_A_8, head->width, head->height, VG_IMAGE_QUALITY_NONANTIALIASED);
// flip it
for (unsigned i = 0; i < head->height; i++)
vgImageSubData(img, head->output + head->pitch * i, head->pitch, VG_A_8, 0, head->height - i - 1, head->width, 1);
vgSetGlyphToImage(rpi->mFont, rpi->mMsgLength, img, origin, escapement);
vgDestroyImage(img);
rpi->mMsgLength++;
head = head->next;
}
font_renderer_free_output(&out);
for (unsigned i = 0; i < rpi->mMsgLength; i++)
rpi->mGlyphIndices[i] = i;
}
static void rpi_draw_message(rpi_t *rpi, const char *msg)
{
if (!rpi->mLastMsg || strcmp(rpi->mLastMsg, msg))
rpi_render_message(rpi, msg);
vgSeti(VG_SCISSORING, VG_FALSE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_STENCIL);
VGfloat origins[] = { rpi->mScreenWidth * g_settings.video.msg_pos_x - 2.0f, rpi->mScreenHeight * g_settings.video.msg_pos_y - 2.0f };
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(rpi->mPaintBg, VG_FILL_PATH);
vgDrawGlyphs(rpi->mFont, rpi->mMsgLength, rpi->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
origins[0] += 2.0f;
origins[1] += 2.0f;
vgSetfv(VG_GLYPH_ORIGIN, 2, origins);
vgSetPaint(rpi->mPaintFg, VG_FILL_PATH);
vgDrawGlyphs(rpi->mFont, rpi->mMsgLength, rpi->mGlyphIndices, NULL, NULL, VG_FILL_PATH, VG_TRUE);
vgSeti(VG_SCISSORING, VG_TRUE);
vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL);
}
#endif
static void rpi_calculate_quad(rpi_t *rpi)
{
// set viewport for aspect ratio, taken from the OpenGL driver
if (rpi->mKeepAspect)
{
float desired_aspect = g_settings.video.aspect_ratio;
// If the aspect ratios of screen and desired aspect ratio are sufficiently equal (floating point stuff),
// assume they are actually equal.
if (fabs(rpi->mScreenAspect - desired_aspect) < 0.0001)
{
rpi->x1 = 0;
rpi->y1 = 0;
rpi->x2 = rpi->mScreenWidth;
rpi->y2 = rpi->mScreenHeight;
}
else if (rpi->mScreenAspect > desired_aspect)
{
float delta = (desired_aspect / rpi->mScreenAspect - 1.0) / 2.0 + 0.5;
rpi->x1 = rpi->mScreenWidth * (0.5 - delta);
rpi->y1 = 0;
rpi->x2 = 2.0 * rpi->mScreenWidth * delta + rpi->x1;
rpi->y2 = rpi->mScreenHeight + rpi->y1;
}
else
{
float delta = (rpi->mScreenAspect / desired_aspect - 1.0) / 2.0 + 0.5;
rpi->x1 = 0;
rpi->y1 = rpi->mScreenHeight * (0.5 - delta);
rpi->x2 = rpi->mScreenWidth + rpi->x1;
rpi->y2 = 2.0 * rpi->mScreenHeight * delta + rpi->y1;
}
}
else
{
rpi->x1 = 0;
rpi->y1 = 0;
rpi->x2 = rpi->mScreenWidth;
rpi->y2 = rpi->mScreenHeight;
}
rpi->scissor[0] = rpi->x1;
rpi->scissor[1] = rpi->y1;
rpi->scissor[2] = rpi->x2 - rpi->x1;
rpi->scissor[3] = rpi->y2 - rpi->y1;
vgSetiv(VG_SCISSOR_RECTS, 4, rpi->scissor);
}
static bool rpi_frame(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg)
{
rpi_t *rpi = (rpi_t*)data;
if (width != rpi->mRenderWidth || height != rpi->mRenderHeight)
{
rpi->mRenderWidth = width;
rpi->mRenderHeight = height;
rpi_calculate_quad(rpi);
vguComputeWarpQuadToQuad(
rpi->x1, rpi->y1, rpi->x2, rpi->y1, rpi->x2, rpi->y2, rpi->x1, rpi->y2,
// needs to be flipped, Khronos loves their bottom-left origin
0, height, width, height, width, 0, 0, 0,
rpi->mTransformMatrix);
vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
vgLoadMatrix(rpi->mTransformMatrix);
}
vgSeti(VG_SCISSORING, VG_FALSE);
vgClear(0, 0, rpi->mScreenWidth, rpi->mScreenHeight);
vgSeti(VG_SCISSORING, VG_TRUE);
vgImageSubData(rpi->mImage, frame, pitch, rpi->mTexType, 0, 0, width, height);
vgDrawImage(rpi->mImage);
#ifdef HAVE_FREETYPE
if (msg && rpi->mFontsOn)
rpi_draw_message(rpi, msg);
#else
(void)msg;
#endif
eglSwapBuffers(rpi->mDisplay, rpi->mSurface);
return true;
}
static bool rpi_alive(void *data)
{
(void)data;
return !rpi_shutdown;
}
static bool rpi_focus(void *data)
{
(void)data;
return true;
}
const video_driver_t video_rpi = {
rpi_init,
rpi_frame,
rpi_set_nonblock_state,
rpi_alive,
rpi_focus,
NULL,
rpi_free,
"rpi"
};

View File

@ -1,306 +1,306 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
* Copyright (C) 2012 - Michael Lelli
*
* 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 "../driver.h"
#include <sys/ioctl.h>
#include <linux/input.h>
#include <linux/kd.h>
#include <termios.h>
#include <unistd.h>
#include <signal.h>
#include "../general.h"
#include "linuxraw_input.h"
#include "rarch_sdl_input.h"
static long oldKbmd = 0xFFFF;
static struct termios oldTerm, newTerm;
struct key_bind
{
uint8_t x;
enum rarch_key sk;
};
static unsigned keysym_lut[SK_LAST];
static const struct key_bind lut_binds[] = {
{ KEY_ESC, SK_ESCAPE },
{ KEY_1, SK_1 },
{ KEY_2, SK_2 },
{ KEY_3, SK_3},
{ KEY_4, SK_4 },
{ KEY_5, SK_5 },
{ KEY_6, SK_6 },
{ KEY_7, SK_7 },
{ KEY_8, SK_8 },
{ KEY_9, SK_9 },
{ KEY_0, SK_0 },
{ KEY_MINUS, SK_MINUS },
{ KEY_EQUAL, SK_EQUALS },
{ KEY_BACKSPACE, SK_BACKSPACE },
{ KEY_TAB, SK_TAB },
{ KEY_Q, SK_q },
{ KEY_W, SK_w },
{ KEY_E, SK_e },
{ KEY_R, SK_r },
{ KEY_T, SK_t },
{ KEY_Y, SK_y },
{ KEY_U, SK_u },
{ KEY_I, SK_i },
{ KEY_O, SK_o },
{ KEY_P, SK_p },
{ KEY_LEFTBRACE, SK_LEFTBRACKET },
{ KEY_RIGHTBRACE, SK_RIGHTBRACKET },
{ KEY_ENTER, SK_RETURN },
{ KEY_LEFTCTRL, SK_LCTRL },
{ KEY_A, SK_a },
{ KEY_S, SK_s },
{ KEY_D, SK_d },
{ KEY_F, SK_f },
{ KEY_G, SK_g },
{ KEY_H, SK_h },
{ KEY_J, SK_j },
{ KEY_K, SK_k },
{ KEY_L, SK_l },
{ KEY_SEMICOLON, SK_SEMICOLON },
{ KEY_APOSTROPHE, SK_QUOTE },
{ KEY_GRAVE, SK_BACKQUOTE },
{ KEY_LEFTSHIFT, SK_LSHIFT },
{ KEY_BACKSLASH, SK_BACKSLASH },
{ KEY_Z, SK_z },
{ KEY_X, SK_x },
{ KEY_C, SK_c },
{ KEY_V, SK_v },
{ KEY_B, SK_b },
{ KEY_N, SK_n },
{ KEY_M, SK_m },
{ KEY_COMMA, SK_COMMA },
{ KEY_DOT, SK_PERIOD },
{ KEY_SLASH, SK_SLASH },
{ KEY_RIGHTSHIFT, SK_RSHIFT },
{ KEY_KPASTERISK, SK_KP_MULTIPLY },
{ KEY_LEFTALT, SK_LALT },
{ KEY_SPACE, SK_SPACE },
{ KEY_CAPSLOCK, SK_CAPSLOCK },
{ KEY_F1, SK_F1 },
{ KEY_F2, SK_F2 },
{ KEY_F3, SK_F3 },
{ KEY_F4, SK_F4 },
{ KEY_F5, SK_F5 },
{ KEY_F6, SK_F6 },
{ KEY_F7, SK_F7 },
{ KEY_F8, SK_F8 },
{ KEY_F9, SK_F9 },
{ KEY_F10, SK_F10 },
{ KEY_NUMLOCK, SK_NUMLOCK },
{ KEY_SCROLLLOCK, SK_SCROLLOCK },
{ KEY_KP7, SK_KP7 },
{ KEY_KP8, SK_KP8 },
{ KEY_KP9, SK_KP9 },
{ KEY_KPMINUS, SK_KP_MINUS },
{ KEY_KP4, SK_KP4 },
{ KEY_KP5, SK_KP5 },
{ KEY_KP6, SK_KP6 },
{ KEY_KPPLUS, SK_KP_PLUS },
{ KEY_KP1, SK_KP1 },
{ KEY_KP2, SK_KP2 },
{ KEY_KP3, SK_KP3 },
{ KEY_KP0, SK_KP0 },
{ KEY_KPDOT, SK_KP_PERIOD },
{ KEY_F11, SK_F11 },
{ KEY_F12, SK_F12 },
{ KEY_KPENTER, SK_KP_ENTER },
{ KEY_RIGHTCTRL, SK_RCTRL },
{ KEY_KPSLASH, SK_KP_DIVIDE },
{ KEY_SYSRQ, SK_PRINT },
{ KEY_RIGHTALT, SK_RALT },
{ KEY_HOME, SK_HOME },
{ KEY_UP, SK_UP },
{ KEY_PAGEUP, SK_PAGEUP },
{ KEY_LEFT, SK_LEFT },
{ KEY_RIGHT, SK_RIGHT },
{ KEY_END, SK_END },
{ KEY_DOWN, SK_DOWN },
{ KEY_PAGEDOWN, SK_PAGEDOWN },
{ KEY_INSERT, SK_INSERT },
{ KEY_DELETE, SK_DELETE },
{ KEY_PAUSE, SK_PAUSE },
};
static void init_lut(void)
{
memset(keysym_lut, 0, sizeof(keysym_lut));
for (unsigned i = 0; i < sizeof(lut_binds) / sizeof(lut_binds[0]); i++)
keysym_lut[lut_binds[i].sk] = lut_binds[i].x;
}
static void linuxraw_resetKbmd()
{
if (oldKbmd != 0xFFFF)
{
ioctl(0, KDSKBMODE, oldKbmd);
tcsetattr(0, TCSAFLUSH, &oldTerm);
oldKbmd = 0xFFFF;
}
}
static void linuxraw_exitGracefully(int sig)
{
linuxraw_resetKbmd();
kill(getpid(), sig);
}
static void *linuxraw_input_init(void)
{
// only work on terminals
if (!isatty(0))
return NULL;
linuxraw_input_t *linuxraw = (linuxraw_input_t*)calloc(1, sizeof(*linuxraw));
if (!linuxraw)
return NULL;
if (oldKbmd == 0xFFFF)
{
tcgetattr(0, &oldTerm);
newTerm = oldTerm;
newTerm.c_lflag &= ~(ECHO | ICANON | ISIG);
newTerm.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
newTerm.c_cc[VMIN] = 0;
newTerm.c_cc[VTIME] = 0;
if (ioctl(0, KDGKBMODE, &oldKbmd) != 0)
return NULL;
}
tcsetattr(0, TCSAFLUSH, &newTerm);
if (ioctl(0, KDSKBMODE, K_MEDIUMRAW) != 0)
{
linuxraw_resetKbmd();
return NULL;
}
struct sigaction sa;
sa.sa_handler = linuxraw_exitGracefully;
sa.sa_flags = SA_RESTART | SA_RESETHAND;
sigemptyset(&sa.sa_mask);
// trap some standard termination codes so we can restore the keyboard before we lose control
sigaction(SIGABRT, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
sigaction(SIGFPE, &sa, NULL);
sigaction(SIGILL, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGSEGV, &sa, NULL);
atexit(linuxraw_resetKbmd);
linuxraw->sdl = (sdl_input_t*)input_sdl.init();
if (!linuxraw->sdl)
{
linuxraw_resetKbmd();
free(linuxraw);
return NULL;
}
init_lut();
linuxraw->sdl->use_keyboard = false;
return linuxraw;
}
static bool linuxraw_key_pressed(linuxraw_input_t *linuxraw, int key)
{
return linuxraw->state[keysym_lut[key]];
}
static bool linuxraw_is_pressed(linuxraw_input_t *linuxraw, const struct snes_keybind *binds, unsigned id)
{
if (id < RARCH_BIND_LIST_END)
{
const struct snes_keybind *bind = &binds[id];
return bind->valid && linuxraw_key_pressed(linuxraw, binds[id].key);
}
else
return false;
}
static bool linuxraw_bind_button_pressed(void *data, int key)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
return linuxraw_is_pressed(linuxraw, g_settings.input.binds[0], key) ||
input_sdl.key_pressed(linuxraw->sdl, key);
}
static int16_t linuxraw_input_state(void *data, const struct snes_keybind **binds, unsigned port, unsigned device, unsigned index, unsigned id)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return linuxraw_is_pressed(linuxraw, binds[port], id) ||
input_sdl.input_state(linuxraw->sdl, binds, port, device, index, id);
default:
return 0;
}
}
static void linuxraw_input_free(void *data)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
input_sdl.free(linuxraw->sdl);
linuxraw_resetKbmd();
free(data);
}
static void linuxraw_input_poll(void *data)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
uint8_t c;
uint16_t t;
while (read(0, &c, 1) > 0)
{
bool pressed = !(c & 0x80);
c &= ~0x80;
// ignore extended scancodes
if (!c)
read(0, &t, 2);
else
linuxraw->state[c] = pressed;
}
if (linuxraw->state[KEY_C] && (linuxraw->state[KEY_LEFTCTRL] || linuxraw->state[KEY_RIGHTCTRL]))
kill(getpid(), SIGINT);
input_sdl.poll(linuxraw->sdl);
}
const input_driver_t input_linuxraw = {
linuxraw_input_init,
linuxraw_input_poll,
linuxraw_input_state,
linuxraw_bind_button_pressed,
linuxraw_input_free,
"linuxraw"
};
/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
* Copyright (C) 2012 - Michael Lelli
*
* 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 "../driver.h"
#include <sys/ioctl.h>
#include <linux/input.h>
#include <linux/kd.h>
#include <termios.h>
#include <unistd.h>
#include <signal.h>
#include "../general.h"
#include "linuxraw_input.h"
#include "rarch_sdl_input.h"
static long oldKbmd = 0xFFFF;
static struct termios oldTerm, newTerm;
struct key_bind
{
uint8_t x;
enum rarch_key sk;
};
static unsigned keysym_lut[SK_LAST];
static const struct key_bind lut_binds[] = {
{ KEY_ESC, SK_ESCAPE },
{ KEY_1, SK_1 },
{ KEY_2, SK_2 },
{ KEY_3, SK_3},
{ KEY_4, SK_4 },
{ KEY_5, SK_5 },
{ KEY_6, SK_6 },
{ KEY_7, SK_7 },
{ KEY_8, SK_8 },
{ KEY_9, SK_9 },
{ KEY_0, SK_0 },
{ KEY_MINUS, SK_MINUS },
{ KEY_EQUAL, SK_EQUALS },
{ KEY_BACKSPACE, SK_BACKSPACE },
{ KEY_TAB, SK_TAB },
{ KEY_Q, SK_q },
{ KEY_W, SK_w },
{ KEY_E, SK_e },
{ KEY_R, SK_r },
{ KEY_T, SK_t },
{ KEY_Y, SK_y },
{ KEY_U, SK_u },
{ KEY_I, SK_i },
{ KEY_O, SK_o },
{ KEY_P, SK_p },
{ KEY_LEFTBRACE, SK_LEFTBRACKET },
{ KEY_RIGHTBRACE, SK_RIGHTBRACKET },
{ KEY_ENTER, SK_RETURN },
{ KEY_LEFTCTRL, SK_LCTRL },
{ KEY_A, SK_a },
{ KEY_S, SK_s },
{ KEY_D, SK_d },
{ KEY_F, SK_f },
{ KEY_G, SK_g },
{ KEY_H, SK_h },
{ KEY_J, SK_j },
{ KEY_K, SK_k },
{ KEY_L, SK_l },
{ KEY_SEMICOLON, SK_SEMICOLON },
{ KEY_APOSTROPHE, SK_QUOTE },
{ KEY_GRAVE, SK_BACKQUOTE },
{ KEY_LEFTSHIFT, SK_LSHIFT },
{ KEY_BACKSLASH, SK_BACKSLASH },
{ KEY_Z, SK_z },
{ KEY_X, SK_x },
{ KEY_C, SK_c },
{ KEY_V, SK_v },
{ KEY_B, SK_b },
{ KEY_N, SK_n },
{ KEY_M, SK_m },
{ KEY_COMMA, SK_COMMA },
{ KEY_DOT, SK_PERIOD },
{ KEY_SLASH, SK_SLASH },
{ KEY_RIGHTSHIFT, SK_RSHIFT },
{ KEY_KPASTERISK, SK_KP_MULTIPLY },
{ KEY_LEFTALT, SK_LALT },
{ KEY_SPACE, SK_SPACE },
{ KEY_CAPSLOCK, SK_CAPSLOCK },
{ KEY_F1, SK_F1 },
{ KEY_F2, SK_F2 },
{ KEY_F3, SK_F3 },
{ KEY_F4, SK_F4 },
{ KEY_F5, SK_F5 },
{ KEY_F6, SK_F6 },
{ KEY_F7, SK_F7 },
{ KEY_F8, SK_F8 },
{ KEY_F9, SK_F9 },
{ KEY_F10, SK_F10 },
{ KEY_NUMLOCK, SK_NUMLOCK },
{ KEY_SCROLLLOCK, SK_SCROLLOCK },
{ KEY_KP7, SK_KP7 },
{ KEY_KP8, SK_KP8 },
{ KEY_KP9, SK_KP9 },
{ KEY_KPMINUS, SK_KP_MINUS },
{ KEY_KP4, SK_KP4 },
{ KEY_KP5, SK_KP5 },
{ KEY_KP6, SK_KP6 },
{ KEY_KPPLUS, SK_KP_PLUS },
{ KEY_KP1, SK_KP1 },
{ KEY_KP2, SK_KP2 },
{ KEY_KP3, SK_KP3 },
{ KEY_KP0, SK_KP0 },
{ KEY_KPDOT, SK_KP_PERIOD },
{ KEY_F11, SK_F11 },
{ KEY_F12, SK_F12 },
{ KEY_KPENTER, SK_KP_ENTER },
{ KEY_RIGHTCTRL, SK_RCTRL },
{ KEY_KPSLASH, SK_KP_DIVIDE },
{ KEY_SYSRQ, SK_PRINT },
{ KEY_RIGHTALT, SK_RALT },
{ KEY_HOME, SK_HOME },
{ KEY_UP, SK_UP },
{ KEY_PAGEUP, SK_PAGEUP },
{ KEY_LEFT, SK_LEFT },
{ KEY_RIGHT, SK_RIGHT },
{ KEY_END, SK_END },
{ KEY_DOWN, SK_DOWN },
{ KEY_PAGEDOWN, SK_PAGEDOWN },
{ KEY_INSERT, SK_INSERT },
{ KEY_DELETE, SK_DELETE },
{ KEY_PAUSE, SK_PAUSE },
};
static void init_lut(void)
{
memset(keysym_lut, 0, sizeof(keysym_lut));
for (unsigned i = 0; i < sizeof(lut_binds) / sizeof(lut_binds[0]); i++)
keysym_lut[lut_binds[i].sk] = lut_binds[i].x;
}
static void linuxraw_resetKbmd()
{
if (oldKbmd != 0xFFFF)
{
ioctl(0, KDSKBMODE, oldKbmd);
tcsetattr(0, TCSAFLUSH, &oldTerm);
oldKbmd = 0xFFFF;
}
}
static void linuxraw_exitGracefully(int sig)
{
linuxraw_resetKbmd();
kill(getpid(), sig);
}
static void *linuxraw_input_init(void)
{
// only work on terminals
if (!isatty(0))
return NULL;
linuxraw_input_t *linuxraw = (linuxraw_input_t*)calloc(1, sizeof(*linuxraw));
if (!linuxraw)
return NULL;
if (oldKbmd == 0xFFFF)
{
tcgetattr(0, &oldTerm);
newTerm = oldTerm;
newTerm.c_lflag &= ~(ECHO | ICANON | ISIG);
newTerm.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
newTerm.c_cc[VMIN] = 0;
newTerm.c_cc[VTIME] = 0;
if (ioctl(0, KDGKBMODE, &oldKbmd) != 0)
return NULL;
}
tcsetattr(0, TCSAFLUSH, &newTerm);
if (ioctl(0, KDSKBMODE, K_MEDIUMRAW) != 0)
{
linuxraw_resetKbmd();
return NULL;
}
struct sigaction sa;
sa.sa_handler = linuxraw_exitGracefully;
sa.sa_flags = SA_RESTART | SA_RESETHAND;
sigemptyset(&sa.sa_mask);
// trap some standard termination codes so we can restore the keyboard before we lose control
sigaction(SIGABRT, &sa, NULL);
sigaction(SIGBUS, &sa, NULL);
sigaction(SIGFPE, &sa, NULL);
sigaction(SIGILL, &sa, NULL);
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGSEGV, &sa, NULL);
atexit(linuxraw_resetKbmd);
linuxraw->sdl = (sdl_input_t*)input_sdl.init();
if (!linuxraw->sdl)
{
linuxraw_resetKbmd();
free(linuxraw);
return NULL;
}
init_lut();
linuxraw->sdl->use_keyboard = false;
return linuxraw;
}
static bool linuxraw_key_pressed(linuxraw_input_t *linuxraw, int key)
{
return linuxraw->state[keysym_lut[key]];
}
static bool linuxraw_is_pressed(linuxraw_input_t *linuxraw, const struct snes_keybind *binds, unsigned id)
{
if (id < RARCH_BIND_LIST_END)
{
const struct snes_keybind *bind = &binds[id];
return bind->valid && linuxraw_key_pressed(linuxraw, binds[id].key);
}
else
return false;
}
static bool linuxraw_bind_button_pressed(void *data, int key)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
return linuxraw_is_pressed(linuxraw, g_settings.input.binds[0], key) ||
input_sdl.key_pressed(linuxraw->sdl, key);
}
static int16_t linuxraw_input_state(void *data, const struct snes_keybind **binds, unsigned port, unsigned device, unsigned index, unsigned id)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return linuxraw_is_pressed(linuxraw, binds[port], id) ||
input_sdl.input_state(linuxraw->sdl, binds, port, device, index, id);
default:
return 0;
}
}
static void linuxraw_input_free(void *data)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
input_sdl.free(linuxraw->sdl);
linuxraw_resetKbmd();
free(data);
}
static void linuxraw_input_poll(void *data)
{
linuxraw_input_t *linuxraw = (linuxraw_input_t*)data;
uint8_t c;
uint16_t t;
while (read(0, &c, 1) > 0)
{
bool pressed = !(c & 0x80);
c &= ~0x80;
// ignore extended scancodes
if (!c)
read(0, &t, 2);
else
linuxraw->state[c] = pressed;
}
if (linuxraw->state[KEY_C] && (linuxraw->state[KEY_LEFTCTRL] || linuxraw->state[KEY_RIGHTCTRL]))
kill(getpid(), SIGINT);
input_sdl.poll(linuxraw->sdl);
}
const input_driver_t input_linuxraw = {
linuxraw_input_init,
linuxraw_input_poll,
linuxraw_input_state,
linuxraw_bind_button_pressed,
linuxraw_input_free,
"linuxraw"
};