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fteqw/engine/client/screen.h

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program 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 Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// screen.h
typedef struct playerview_s playerview_t;
extern float scr_con_current;
extern float scr_con_target; // lines of console to display
extern int sb_lines;
extern int clearnotify; // set to 0 whenever notify text is drawn
extern qboolean scr_disabled_for_loading;
extern cvar_t scr_fov;
extern cvar_t scr_fov_viewmodel;
extern cvar_t scr_viewsize;
qboolean SCR_RSShot (void);
typedef struct
{
qboolean enabled;
vec3_t angles;
} vrui_t;
extern vrui_t vrui;
void VRUI_SnapAngle(void);
//void SCR_DrawConsole (qboolean noback);
//void SCR_SetUpToDrawConsole (void);
//void SCR_BeginLoadingPlaque (void);
//void SCR_EndLoadingPlaque (void);
//void SCR_Init (void);
//void SCR_UpdateScreen (void);
#if defined(GLQUAKE)
qboolean GLSCR_UpdateScreen (void);
#endif
void SCR_ImageName (const char *mapname);
//this stuff is internal to the screen systems.
void RSpeedShow(void);
void SCR_CrosshairPosition(playerview_t *pview, float *x, float *y);
void SCR_DrawLoading (qboolean opaque);
void SCR_TileClear (int skipbottom);
void SCR_DrawNotifyString (void);
void SCR_CheckDrawCenterString (void);
void SCR_DrawNet (void);
void SCR_DrawTurtle (void);
void SCR_DrawPause (void);
qboolean SCR_HardwareCursorIsActive(void);
void CLSCR_Init(void); //basically so I can register a few friendly cvars.
//TEI_SHOWLMP2 stuff
void SCR_ShowPics_Draw(void);
void SCR_ShowPic_Create(void);
void SCR_ShowPic_Hide(void);
void SCR_ShowPic_Move(void);
void SCR_ShowPic_Update(void);
void SCR_ShowPic_ClearAll(qboolean persistflag);
const char *SCR_ShowPics_ClickCommand(float cx, float cy, qboolean loadtouch);
void SCR_ShowPic_Script_f(void);
void SCR_ShowPic_Remove_f(void);
//a header is better than none...
void Draw_TextBox (int x, int y, int width, int lines);
void Draw_ApproxTextBox (float x, float y, float width, float height);
enum fs_relative;
typedef enum uploadfmt
{
//NOTE: these values are exposed to native plugins but not QC.
PTI_INVALID,
//these formats are specified as direct byte access (listed in byte order, aka big-endian 0xrrggbbaa order)
PTI_RGBA8, //rgba byte ordering
PTI_RGBX8, //rgb pad byte ordering
PTI_BGRA8, //alpha channel
PTI_BGRX8, //no alpha channel
PTI_RGBA8_SRGB, //rgba byte ordering
PTI_RGBX8_SRGB, //rgb pad byte ordering
PTI_BGRA8_SRGB, //alpha channel
PTI_BGRX8_SRGB, //no alpha channel
PTI_RGB8, //24bit packed format. generally not supported
PTI_BGR8, //24bit packed format. generally not supported
PTI_RGB8_SRGB, //24bit packed format. generally not supported
PTI_BGR8_SRGB, //24bit packed format. generally not supported
PTI_L8, //8bit format. luminance gets flooded to all RGB channels. might be supported using swizzles.
PTI_L8A8, //16bit format. L=luminance. might be supported using swizzles.
PTI_L8_SRGB, //8bit format. luminance gets flooded to all RGB channels. might be supported using swizzles.
PTI_L8A8_SRGB, //16bit format. L=luminance. note: this cannot be implemented as a swizzle as there's no way to get srgb on red without it on green.
//small formats.
PTI_P8, //used for paletted data. Loaded as R8, but separate purely due to mipmap generation. should probably make a mipgen enum.
PTI_R8, //used for greyscale data (that doesn't need to get expanded to rgb).
PTI_RG8, //might be useful for normalmaps
PTI_R8_SNORM,
PTI_RG8_SNORM, //might be useful for normalmaps
//big formats
PTI_R16, //useful for heightmaps
PTI_RGBA16, //if people use 16bit pngs, people get 16 bits per channel textures. muppets.
//floating point formats
PTI_R16F,
PTI_R32F,
PTI_RGB32F, //so qc can just use vectors for rgb. not really recommended.
PTI_RGBA16F, //consider using e5bgr9 or bc6/astc
PTI_RGBA32F, //usually overkill
//packed/misaligned formats: these are specified in native endian order (high bits listed first because that's how things are represented in hex), so may need byte swapping...
PTI_A2BGR10, //mostly for rendertargets, might also be useful for overbight lightmaps.
PTI_B10G11R11F, //unshared exponents
PTI_RGB565, //16bit alphaless format.
PTI_RGBA4444, //16bit format (gl)
PTI_ARGB4444, //16bit format (d3d)
PTI_RGBA5551, //16bit alpha format (gl).
PTI_ARGB1555, //16bit alpha format (d3d).
#define PTI_FIRSTCOMPRESSED PTI_E5BGR9
PTI_E5BGR9, //mostly for fancy lightmaps (technically compressed, with a block size of 1...)
//(desktop/tegra) compressed formats
PTI_BC1_RGB, /*4bpp*/
PTI_BC1_RGB_SRGB, /*4bpp*/
PTI_BC1_RGBA, /*4bpp*/
PTI_BC1_RGBA_SRGB, /*4bpp*/
PTI_BC2_RGBA, /*8bpp*/
PTI_BC2_RGBA_SRGB, /*8bpp*/
PTI_BC3_RGBA, /*8bpp*/ //maybe add a bc3 normalmapswizzle type for d3d9?
PTI_BC3_RGBA_SRGB, /*8bpp*/
PTI_BC4_R, /*4bpp*/ //greyscale, kinda
PTI_BC4_R_SNORM, /*4bpp*/
PTI_BC5_RG, /*8bpp*/ //useful for normalmaps
PTI_BC5_RG_SNORM, /*8bpp*/ //useful for normalmaps
PTI_BC6_RGB_UFLOAT, /*8bpp*/ //unsigned (half) floats!
PTI_BC6_RGB_SFLOAT, /*8bpp*/ //signed (half) floats!
PTI_BC7_RGBA, /*8bpp*/ //multimode compression, using as many bits as bc2/bc3
PTI_BC7_RGBA_SRGB, /*8bpp*/
//(mobile/intel) compressed formats
PTI_ETC1_RGB8, /*4bpp*/ //limited form
PTI_ETC2_RGB8, /*4bpp*/ //extended form
PTI_ETC2_RGB8A1, /*4bpp*/
PTI_ETC2_RGB8A8, /*8bpp*/
PTI_ETC2_RGB8_SRGB, /*4bpp*/
PTI_ETC2_RGB8A1_SRGB,/*4bpp*/
PTI_ETC2_RGB8A8_SRGB,/*8bpp*/
PTI_EAC_R11, /*4bpp*/ //might be useful for overlays, with swizzles.
PTI_EAC_R11_SNORM, /*4bpp*/ //no idea what this might be used for, whatever
PTI_EAC_RG11, /*8bpp*/ //useful for normalmaps (calculate blue)
PTI_EAC_RG11_SNORM, /*8bpp*/ //useful for normalmaps (calculate blue)
//astc... zomg.
#define PTI_ASTC_FIRST PTI_ASTC_4X4_LDR
PTI_ASTC_4X4_LDR, /*8bpp*/ //ldr/srgb/hdr formats are technically all the same.
PTI_ASTC_5X4_LDR, /*6.40*/ //srgb formats are different because of an extra srgb lookup step
PTI_ASTC_5X5_LDR, /*5.12*/ //ldr formats are identical to hdr except for the extended colour modes disabled.
PTI_ASTC_6X5_LDR, /*4.17*/
PTI_ASTC_6X6_LDR, /*3.56*/
PTI_ASTC_8X5_LDR, /*3.20*/
PTI_ASTC_8X6_LDR, /*2.67*/
PTI_ASTC_10X5_LDR, /*2.56*/
PTI_ASTC_10X6_LDR, /*2.13*/
PTI_ASTC_8X8_LDR, /*2bpp*/
PTI_ASTC_10X8_LDR, /*1.60*/
PTI_ASTC_10X10_LDR, /*1.28*/
PTI_ASTC_12X10_LDR, /*1.07*/
PTI_ASTC_12X12_LDR, /*0.89*/
// #define ASTC3D
#ifdef ASTC3D
PTI_ASTC_3X3X3_LDR, /*4.74*/ //astc volume ldr textures are worth tracking only to provide hints to cache them as 8bit instead of 16bit (reducing gpu cache needed).
PTI_ASTC_4X3X3_LDR, /*3.56*/
PTI_ASTC_4X4X3_LDR, /*2.67*/
PTI_ASTC_4X4X4_LDR, /*2.00*/
PTI_ASTC_5X4X4_LDR, /*1.60*/
PTI_ASTC_5X5X4_LDR, /*1.28*/
PTI_ASTC_5X5X5_LDR, /*1.02*/
PTI_ASTC_6X5X5_LDR, /*0.85*/
PTI_ASTC_6X6X5_LDR, /*0.71*/
PTI_ASTC_6X6X6_LDR, /*0.59*/
#endif
PTI_ASTC_4X4_SRGB,
PTI_ASTC_5X4_SRGB,
PTI_ASTC_5X5_SRGB,
PTI_ASTC_6X5_SRGB,
PTI_ASTC_6X6_SRGB,
PTI_ASTC_8X5_SRGB,
PTI_ASTC_8X6_SRGB,
PTI_ASTC_10X5_SRGB,
PTI_ASTC_10X6_SRGB,
PTI_ASTC_8X8_SRGB,
PTI_ASTC_10X8_SRGB,
PTI_ASTC_10X10_SRGB,
PTI_ASTC_12X10_SRGB,
PTI_ASTC_12X12_SRGB,
#ifdef ASTC3D
PTI_ASTC_3X3X3_SRGB,
PTI_ASTC_4X3X3_SRGB,
PTI_ASTC_4X4X3_SRGB,
PTI_ASTC_4X4X4_SRGB,
PTI_ASTC_5X4X4_SRGB,
PTI_ASTC_5X5X4_SRGB,
PTI_ASTC_5X5X5_SRGB,
PTI_ASTC_6X5X5_SRGB,
PTI_ASTC_6X6X5_SRGB,
PTI_ASTC_6X6X6_SRGB,
#endif
PTI_ASTC_4X4_HDR, //these are not strictly necessary, and are likely to be treated identically to the ldr versions, but they may use extra features that the hardware does not support
PTI_ASTC_5X4_HDR,
PTI_ASTC_5X5_HDR,
PTI_ASTC_6X5_HDR,
PTI_ASTC_6X6_HDR,
PTI_ASTC_8X5_HDR,
PTI_ASTC_8X6_HDR,
PTI_ASTC_10X5_HDR,
PTI_ASTC_10X6_HDR,
PTI_ASTC_8X8_HDR,
PTI_ASTC_10X8_HDR,
PTI_ASTC_10X10_HDR,
PTI_ASTC_12X10_HDR,
PTI_ASTC_12X12_HDR,
#ifdef ASTC3D
PTI_ASTC_3X3X3_HDR,
PTI_ASTC_4X3X3_HDR,
PTI_ASTC_4X4X3_HDR,
PTI_ASTC_4X4X4_HDR,
PTI_ASTC_5X4X4_HDR,
PTI_ASTC_5X5X4_HDR,
PTI_ASTC_5X5X5_HDR,
PTI_ASTC_6X5X5_HDR,
PTI_ASTC_6X6X5_HDR,
PTI_ASTC_6X6X6_HDR,
#define PTI_ASTC_LAST PTI_ASTC_6X6X6_HDR
#else
#define PTI_ASTC_LAST PTI_ASTC_12X12_HDR
#endif
//depth formats
PTI_DEPTH16,
PTI_DEPTH24,
PTI_DEPTH32,
PTI_DEPTH24_8,
//non-native formats (generally requiring weird palettes that are not supported by hardware)
TF_BGR24_FLIP, /*bgr byte order, no alpha channel nor pad, and bottom up*/
TF_MIP4_P8, /*8bit 4-mip image in default palette, that will be loaded as an R8 texture.*/
TF_MIP4_SOLID8, /*8bit 4-mip image in default palette, that will be expanded to an RGB texture.*/
TF_MIP4_8PAL24, /*8bit 4-mip image with included palette*/
TF_MIP4_8PAL24_T255,/*8bit 4-mip image with included palette where index 255 is alpha 0*/
TF_SOLID8, /*8bit quake-palette image*/
TF_TRANS8, /*8bit quake-palette image, index 255=transparent*/
TF_TRANS8_FULLBRIGHT, /*fullbright 8 - fullbright texels have alpha 255, everything else 0*/
TF_HEIGHT8, /*image data is greyscale, convert to a normalmap and load that, uploaded alpha contains the original heights*/
TF_HEIGHT8PAL, /*source data is palette values rather than actual heights, generate a fallback heightmap. actual palette is ignored...*/
TF_H2_T7G1, /*8bit data, odd indexes give greyscale transparence*/
TF_H2_TRANS8_0, /*8bit data, 0 is transparent, not 255*/
TF_H2_T4A4, /*8bit data, weird packing*/
PTI_LLLX8, /*RGBX data where the RGB values were all the same. we can convert to L8 to use less memory (common with shirt/pants/reflection)*/
PTI_LLLA8, /*RGBA data where the RGB values were all the same. we can convert to LA8 to use less memory (common with gloss)*/
/*this block requires an explicit (separate) palette*/
TF_8PAL24,
TF_8PAL32,
#ifdef FTE_TARGET_WEB
//weird specialcase mess to take advantage of webgl so we don't need redundant bloat where we're already strugging with potential heap limits
PTI_WHOLEFILE,
#endif
PTI_MAX,
TF_INVALID = PTI_INVALID,
TF_RGBA32 = PTI_RGBA8, /*rgba byte order*/
TF_BGRA32 = PTI_BGRA8, /*bgra byte order*/
TF_RGBX32 = PTI_RGBX8, /*rgb byte order, with extra wasted byte after blue*/
TF_BGRX32 = PTI_BGRX8, /*rgb byte order, with extra wasted byte after blue*/
TF_RGB24 = PTI_RGB8, /*rgb byte order, no alpha channel nor pad, and regular top down*/
TF_BGR24 = PTI_BGR8, /*bgr byte order, no alpha channel nor pad, and regular top down*/
//these are emulated formats. this 'case' value allows drivers to easily ignore them
#define PTI_EMULATED TF_INVALID:case TF_BGR24_FLIP:case TF_MIP4_P8:case TF_MIP4_SOLID8:case TF_MIP4_8PAL24:case TF_MIP4_8PAL24_T255:case TF_SOLID8:case TF_TRANS8:case TF_TRANS8_FULLBRIGHT:case TF_HEIGHT8:case TF_HEIGHT8PAL:case TF_H2_T7G1:case TF_H2_TRANS8_0:case TF_H2_T4A4:case TF_8PAL24:case TF_8PAL32:case PTI_LLLX8:case PTI_LLLA8
} uploadfmt_t;
#define PTI_FULLMIPCHAIN 0x80000000 //valid for Image_GetTexture (and thus GenMip0) to signify that there's a full round-down mipchain there, not a single one (or 4)
qboolean SCR_ScreenShot (char *filename, enum fs_relative fsroot, void **buffer, int numbuffers, qintptr_t bytestride, int width, int height, enum uploadfmt fmt, qboolean writemeta);
void SCR_DrawTwoDimensional(qboolean nohud);
enum
{
LS_NONE,
LS_CONNECTION,
LS_SERVER,
LS_CLIENT,
};
int SCR_GetLoadingStage(void);
void SCR_SetLoadingStage(int stage);
void SCR_SetLoadingFile(char *str);
/*fonts*/
void Font_Init(void);
void Font_Shutdown(void);
int Font_RegisterTrackerImage(const char *image); //returns a unicode char value that can be used to embed the char within a line of text.
qboolean Font_TrackerValid(unsigned int imid);
struct font_s *Font_LoadFont(const char *fontfilename, float height, float scale, int outline, unsigned int flags);
#define FONT_MONO 1
void Font_Free(struct font_s *f);
void Font_BeginString(struct font_s *font, float vx, float vy, int *px, int *py);
void Font_BeginScaledString(struct font_s *font, float vx, float vy, float szx, float szy, float *px, float *py); /*avoid using*/
void Font_Transform(float vx, float vy, int *px, int *py);
int Font_CharHeight(void);
float Font_CharVHeight(struct font_s *font);
int Font_CharPHeight(struct font_s *font);
int Font_GetTrueHeight(struct font_s *font);
float Font_CharScaleHeight(void);
int Font_CharWidth(unsigned int charflags, unsigned int codepoint);
float Font_CharScaleWidth(unsigned int charflags, unsigned int codepoint);
int Font_CharEndCoord(struct font_s *font, int x, unsigned int charflags, unsigned int codepoint);
int Font_DrawChar(int px, int py, unsigned int charflags, unsigned int codepoint);
float Font_DrawScaleChar(float px, float py, unsigned int charflags, unsigned int codepoint); /*avoid using*/
void Font_EndString(struct font_s *font);
void Font_InvalidateColour(vec4_t newcolour);
/*these three functions deal with formatted blocks of text (including tabs and new lines)*/
fte_inline conchar_t *Font_Decode(conchar_t *start, unsigned int *codeflags, unsigned int *codepoint)
{
if (*start & CON_LONGCHAR)
if (!(*start & CON_RICHFORECOLOUR))
{
*codeflags = start[1] & CON_FLAGSMASK;
*codepoint = ((start[0] & CON_CHARMASK)<<16) | (start[1] & CON_CHARMASK);
return start+2;
}
*codeflags = start[0] & CON_FLAGSMASK;
*codepoint = start[0] & CON_CHARMASK;
return start+1;
}
conchar_t *Font_DecodeReverse(conchar_t *start, conchar_t *stop, unsigned int *codeflags, unsigned int *codepoint);
int Font_LineBreaks(conchar_t *start, conchar_t *end, int maxpixelwidth, int maxlines, conchar_t **starts, conchar_t **ends);
int Font_LineWidth(conchar_t *start, conchar_t *end);
float Font_LineScaleWidth(conchar_t *start, conchar_t *end);
void Font_LineDraw(int x, int y, conchar_t *start, conchar_t *end);
conchar_t *Font_CharAt(int x, conchar_t *start, conchar_t *end);
extern struct font_s *font_menu;
extern struct font_s *font_default;
extern struct font_s *font_console;
extern struct font_s *font_tiny;
void PR_ReleaseFonts(unsigned int purgeowner); //for menu/csqc
void PR_ReloadFonts(qboolean reload);
/*end fonts*/
//normally we're not srgb aware, which means that while the intensity may APPEAR linear, it actually isn't.
fte_inline float M_SRGBToLinear(float x, float mag)
{
x /= mag;
if (x <= 0.04045f)
x = x * (1.0f / 12.92f);
else
x = pow(( x + 0.055f) * (1.0f / 1.055f), 2.4f);
x *= mag;
return x;
}
fte_inline float M_LinearToSRGB(float x, float mag)
{
x /= mag;
if (x <= 0.00031308)
x = 12.92 * x;
else
x = 1.055*pow(x,(float)(1.0 / 2.4) ) - 0.055;
x *= mag;
return x;
}
//macros that are used to explicitly state that a value is srgb, and convert to linear as needed.
#define SRGBf(x) ((vid.flags&VID_SRGBAWARE)?M_SRGBToLinear(x,1):x)
#define SRGBb(x) ((vid.flags&VID_SRGBAWARE)?(unsigned char)M_SRGBToLinear(x,255):x)
#define SRGB3(x,y,z) SRGBf(x),SRGBf(y),SRGBf(z)
#define SRGBA(x,y,z,w) SRGBf(x),SRGBf(y),SRGBf(z),w
void R_NetgraphInit(void);
void R_NetGraph (void);
void R_FrameTimeGraph (float frametime, float scale);
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