index 99d63e3a3fa22c9dff4a07fe26bd0c4e6eaa6146..5edceb2c5f9d3c754a4d2f2f8e969fcd46410849 100644 (file)
*
* 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 3 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation, version 3 of the License ONLY.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
interface
uses
-{$IFDEF USE_NANOGL}
- nanoGL,
-{$ELSE}
- GL, GLExt,
-{$ENDIF}
- SysUtils, Classes, Math, e_log, e_texture, SDL2, MAPDEF, ImagingTypes, Imaging, ImagingUtility;
+ {$INCLUDE ../nogl/noGLuses.inc}
+ {$IFDEF USE_SDL2}
+ SDL2,
+ {$ENDIF}
+ SysUtils, Classes, Math, e_log, e_texture,
+ MAPDEF, ImagingTypes, Imaging, ImagingUtility;
type
TMirrorType=(None, Horizontal, Vertical);
procedure e_InitGL();
procedure e_SetViewPort(X, Y, Width, Height: Word);
procedure e_ResizeWindow(Width, Height: Integer);
+function e_ResizeFramebuffer(Width, Height: Integer): Boolean;
+procedure e_BlitFramebuffer(WinWidth, WinHeight: Integer);
+procedure e_SetRenderTarget(Framebuffer: Boolean);
procedure e_Draw(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
Blending: Boolean; Mirror: TMirrorType = TMirrorType.None);
function e_CreateTextureMem(pData: Pointer; dataSize: LongInt; var ID: DWORD): Boolean;
function e_CreateTextureMemEx(pData: Pointer; dataSize: LongInt; var ID: DWORD; fX, fY, fWidth, fHeight: Word): Boolean;
procedure e_GetTextureSize(ID: DWORD; Width, Height: PWord);
-function e_GetTextureSize2(ID: DWORD): TRectWH;
procedure e_DeleteTexture(ID: DWORD);
procedure e_RemoveAllTextures();
procedure e_TextureFontPrint(X, Y: GLint; Text: string; FontID: DWORD);
procedure e_TextureFontPrintEx(X, Y: GLint; Text: string; FontID: DWORD; Red, Green,
Blue: Byte; Scale: Single; Shadow: Boolean = False);
-procedure e_TextureFontPrintFmt(X, Y: GLint; Text: string; FontID: DWORD; Shadow: Boolean = False);
+procedure e_TextureFontPrintFmt(X, Y: GLint; Text: string; FontID: DWORD;
+ Shadow: Boolean = False; Newlines: Boolean = False);
procedure e_TextureFontGetSize(ID: DWORD; out CharWidth, CharHeight: Byte);
procedure e_RemoveAllTextureFont();
procedure e_Clear(); overload;
procedure e_EndRender();
+{$IFDEF USE_SDL2}
function e_GetGamma(win: PSDL_Window): Byte;
procedure e_SetGamma(win: PSDL_Window;Gamma: Byte);
+{$ENDIF}
procedure e_MakeScreenshot(st: TStream; Width, Height: Word);
e_NoGraphics: Boolean = False;
e_FastScreenshots: Boolean = true; // it's REALLY SLOW with `false`
g_dbg_scale: Single = 1.0;
+ r_pixel_scale: Single = 1.0;
implementation
Base: Uint32;
CharWidth: Byte;
CharHeight: Byte;
- XC, YC, SPC: Word;
+ XC, YC: WORD;
+ SPC: ShortInt;
end;
TCharFont = record
e_TextureFonts: array of TTextureFont = nil;
e_CharFonts: array of TCharFont;
//e_SavedTextures: array of TSavedTexture;
+ e_FBO: GLuint = 0;
+ e_RBO: GLuint = 0;
+ e_RBOSupported: Boolean = True;
+ e_Frame: GLuint = 0;
+ e_FrameW: Integer = -1;
+ e_FrameH: Integer = -1;
//function e_getTextGLId (ID: DWORD): GLuint; begin result := e_Textures[ID].tx.id; end;
if Height <> nil then Height^ := e_Textures[ID].tx.Height;
end;
-function e_GetTextureSize2(ID: DWORD): TRectWH;
-var
- data: PChar;
- x, y: Integer;
- w, h: Word;
- a: Boolean;
- lastline: Integer;
+procedure DestroyFramebuffer;
begin
- w := e_Textures[ID].tx.Width;
- h := e_Textures[ID].tx.Height;
-
- Result.Y := 0;
- Result.X := 0;
- Result.Width := w;
- Result.Height := h;
+ glBindTexture(GL_TEXTURE_2D, 0);
+ glBindRenderbuffer(GL_RENDERBUFFER, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
-{$IFNDEF USE_NANOGL}
- if e_NoGraphics then Exit;
-
- data := GetMemory(w*h*4);
- glEnable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, e_Textures[ID].tx.id);
- glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
-
- for y := h-1 downto 0 do
- begin
- lastline := y;
- a := True;
-
- for x := 1 to w-4 do
+ if e_Frame > 0 then
begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
+ glDeleteTextures(1, @e_Frame);
+ e_Frame := 0;
end;
- if a then
+ if e_RBO > 0 then
begin
- Result.Y := h-lastline;
- Break;
+ glDeleteRenderbuffers(1, @e_RBO);
+ e_RBO := 0;
end;
- end;
- for y := 0 to h-1 do
- begin
- lastline := y;
- a := True;
-
- for x := 1 to w-4 do
+ if e_FBO > 0 then
begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
+ glDeleteFramebuffers(1, @e_FBO);
+ e_FBO := 0;
end;
+end;
- if a then
- begin
- Result.Height := h-lastline-Result.Y;
- Break;
- end;
- end;
+function e_ResizeFramebuffer(Width, Height: Integer): Boolean;
+begin
+ Result := False;
- for x := 0 to w-1 do
- begin
- lastline := x;
- a := True;
+ if e_NoGraphics then Exit;
+
+ DestroyFramebuffer;
+
+ e_FrameW := Width;
+ e_FrameH := Height;
+
+ glGetError();
- for y := 1 to h-4 do
+ glGenFramebuffers(1, @e_FBO);
+
+ if glGetError() <> GL_NO_ERROR then
begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
+ e_LogWriteln('GL: glGenFramebuffers failed');
+ Exit;
end;
- if a then
+ glGenTextures(1, @e_Frame);
+ glBindTexture(GL_TEXTURE_2D, e_Frame);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, Width, Height, 0, GL_RGB, GL_UNSIGNED_BYTE, nil);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ if glGetError() <> GL_NO_ERROR then
begin
- Result.X := lastline+1;
- Break;
+ e_LogWriteln('GL: can''t create FBO color buffer');
+ DestroyFramebuffer;
+ Exit;
end;
- end;
- for x := w-1 downto 0 do
- begin
- lastline := x;
- a := True;
-
- for y := 1 to h-4 do
+ glBindFramebuffer(GL_FRAMEBUFFER, e_FBO);
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, e_Frame, 0);
+ if glCheckFramebufferStatus(GL_FRAMEBUFFER) <> GL_FRAMEBUFFER_COMPLETE then
begin
- a := Byte((data+y*w*4+x*4+3)^) <> 0;
- if a then Break;
+ e_LogWriteln('GL: can''t construct framebuffer with color attachment');
+ DestroyFramebuffer;
+ Exit;
end;
- if a then
+{$IFNDEF USE_GLES1}
+ if e_RBOSupported then
begin
- Result.Width := lastline-Result.X+1;
- Break;
+ glGenRenderbuffers(1, @e_RBO);
+ glBindRenderbuffer(GL_RENDERBUFFER, e_RBO);
+ glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, Width, Height);
+ glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, e_RBO);
+ if glCheckFramebufferStatus(GL_FRAMEBUFFER) <> GL_FRAMEBUFFER_COMPLETE then
+ begin
+ e_LogWriteln('GL: can''t construct framebuffer with depth+stencil attachment, trying without');
+ e_RBOSupported := False;
+ Result := e_ResizeFramebuffer(Width, Height);
+ Exit;
+ end;
end;
- end;
+{$ENDIF}
- FreeMemory(data);
-{$ENDIF USE_NANOGL}
+ Result := True;
end;
procedure e_ResizeWindow(Width, Height: Integer);
y1 := y0+h;
if Mirror = TMirrorType.Horizontal then begin tmp := x1; x1 := x0; x0 := tmp; end
else if Mirror = TMirrorType.Vertical then begin tmp := y1; y1 := y0; y0 := tmp; end;
- //HACK: make texture one pixel shorter, so it won't wrap
- if (g_dbg_scale <> 1.0) then
- begin
- u := u*tw/(tw+1);
- v := v*th/(th+1);
- end;
glTexCoord2f(0, v); glVertex2i(x0, y0);
glTexCoord2f(0, 0); glVertex2i(x0, y1);
glTexCoord2f(u, 0); glVertex2i(x1, y1);
glTexCoord2f(u, v); glVertex2i(x1, y0);
end;
+procedure e_SetRenderTarget(Framebuffer: Boolean);
+begin
+ if (e_FBO = 0) or e_NoGraphics then exit;
+ if Framebuffer then
+ glBindFramebuffer(GL_FRAMEBUFFER, e_FBO)
+ else
+ glBindFramebuffer(GL_FRAMEBUFFER, 0);
+end;
+
+procedure e_BlitFramebuffer(WinWidth, WinHeight: Integer);
+begin
+ if (e_FBO = 0) or (e_Frame = 0) or e_NoGraphics then exit;
+
+ glDisable(GL_BLEND);
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, e_Frame);
+ glColor4ub(255, 255, 255, 255);
+
+ glBegin(GL_QUADS);
+ glTexCoord2f(0, 1); glVertex2i( 0, 0);
+ glTexCoord2f(0, 0); glVertex2i( 0, WinHeight);
+ glTexCoord2f(1, 0); glVertex2i(WinWidth, WinHeight);
+ glTexCoord2f(1, 1); glVertex2i(WinWidth, 0);
+ glEnd();
+end;
+
procedure e_Draw(ID: DWORD; X, Y: Integer; Alpha: Byte; AlphaChannel: Boolean;
Blending: Boolean; Mirror: TMirrorType = TMirrorType.None);
begin
begin
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- end else
+ end
+ else
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
glColor4ub(Red, Green, Blue, 255-Alpha);
glLineWidth(1);
-
glBegin(GL_LINES);
nX1 := X1; nY1 := Y1;
nX2 := X2; nY2 := Y1;
glVertex2i(nX1, nY1);
glVertex2i(nX2, nY2);
glEnd();
-
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
-
glDisable(GL_BLEND);
end;
else
glDisable(GL_BLEND);
- if Blending = TBlending.Blend then
- glBlendFunc(GL_SRC_ALPHA, GL_ONE)
- else
- if Blending = TBlending.Filter then
- glBlendFunc(GL_DST_COLOR, GL_SRC_COLOR)
- else
- if Blending = TBlending.Invert then
- glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO)
- else
- if Alpha > 0 then
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ case Blending of
+ TBlending.None: if Alpha > 0 then glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ TBlending.Blend: glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ TBlending.Invert: glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
+ TBlending.Filter: glBlendFunc(GL_ZERO, GL_SRC_COLOR);
+ end;
glDisable(GL_TEXTURE_2D);
glColor4ub(Red, Green, Blue, 255-Alpha);
glEnd();
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
-
glDisable(GL_BLEND);
end;
glDisable(GL_TEXTURE_2D);
glColor4ub(Red, Green, Blue, 255-Alpha);
glLineWidth(Width);
-
glBegin(GL_LINES);
glVertex2i(X1, Y1);
glVertex2i(X2, Y2);
glEnd();
-
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
glDisable(GL_BLEND);
glPopMatrix();
end;
+{$IFDEF USE_SDL2}
function e_GetGamma(win: PSDL_Window): Byte;
var
ramp: array [0..256*3-1] of Word;
SDL_SetWindowGammaRamp(win, @ramp[0], @ramp[256], @ramp[512]);
end;
+{$ENDIF}
function e_CharFont_Create(sp: ShortInt=0): DWORD;
var
procedure e_TextureFontBuild(Tex: DWORD; var FontID: DWORD; XCount, YCount: Word;
Space: ShortInt=0);
var
+{$IFDEF NOGL_LISTS}
loop1 : GLuint;
cx, cy : real;
+{$ENDIF}
i, id: DWORD;
begin
if e_NoGraphics then Exit;
id := High(e_TextureFonts);
end;
-{$IFNDEF USE_NANOGL}
with e_TextureFonts[id] do
begin
+{$IFDEF NOGL_LISTS}
Base := glGenLists(XCount*YCount);
+{$ENDIF}
TextureID := e_Textures[Tex].tx.id;
CharWidth := (e_Textures[Tex].tx.Width div XCount)+Space;
CharHeight := e_Textures[Tex].tx.Height div YCount;
SPC := Space;
end;
+{$IFDEF NOGL_LISTS}
glBindTexture(GL_TEXTURE_2D, e_Textures[Tex].tx.id);
for loop1 := 0 to XCount*YCount-1 do
begin
procedure e_TextureFontKill(FontID: DWORD);
begin
if e_NoGraphics then Exit;
-{$IFNDEF USE_NANOGL}
+{$IFDEF NOGL_LISTS}
glDeleteLists(e_TextureFonts[FontID].Base, 256);
{$ENDIF}
e_TextureFonts[FontID].Base := 0;
end;
+{$IFNDEF NOGL_LISTS}
+procedure e_TextureFontDrawChar(ch: Char; FontID: DWORD);
+ var
+ index: Integer;
+ cx, cy: GLfloat;
+ Tex: Integer;
+ Width, Height: Integer;
+ XCount, YCount: Integer;
+begin
+ index := Ord(ch) - 32;
+ Tex := e_TextureFonts[FontID].Texture;
+ Width := e_Textures[Tex].tx.Width;
+ Height := e_Textures[Tex].tx.Height;
+ XCount := e_TextureFonts[FontID].XC;
+ YCount := e_TextureFonts[FontID].YC;
+ cx := (index mod XCount)/XCount;
+ cy := (index div YCount)/YCount;
+ glBegin(GL_QUADS);
+ glTexCoord2f(cx, 1 - cy - 1/YCount);
+ glVertex2i(0, Height div YCount);
+ glTexCoord2f(cx + 1/XCount, 1 - cy - 1/YCount);
+ glVertex2i(Width div XCount, Height div YCount);
+ glTexCoord2f(cx + 1/XCount, 1 - cy);
+ glVertex2i(Width div XCount, 0);
+ glTexCoord2f(cx, 1 - cy);
+ glVertex2i(0, 0);
+ glEnd();
+ glTranslatef((e_Textures[Tex].tx.Width div XCount) + e_TextureFonts[FontID].SPC, 0, 0);
+end;
+
+procedure e_TextureFontDrawString(Text: String; FontID: DWORD);
+ var
+ i: Integer;
+begin
+ for i := 1 to High(Text) do
+ e_TextureFontDrawChar(Text[i], FontID);
+end;
+{$ENDIF}
+
procedure e_TextureFontPrint(X, Y: GLint; Text: string; FontID: DWORD);
begin
if e_NoGraphics then Exit;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
-{$IFNDEF USE_NANOGL}
glPushMatrix;
glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
glEnable(GL_TEXTURE_2D);
- glTranslated(x, y, 0);
+ glTranslatef(x, y, 0);
+{$IFDEF NOGL_LISTS}
glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
glCallLists(Length(Text), GL_UNSIGNED_BYTE, PChar(Text));
+{$ELSE}
+ e_TextureFontDrawString(Text, FontID);
+{$ENDIF}
glDisable(GL_TEXTURE_2D);
glPopMatrix;
-{$ENDIF}
glDisable(GL_BLEND);
end;
if e_NoGraphics then Exit;
glPushMatrix;
-{$IFNDEF USE_NANOGL}
if Shadow then
begin
glColor4ub(0, 0, 0, 128);
- glTranslated(X+1, Y+1, 0);
+ glTranslatef(X+1, Y+1, 0);
+{$IFDEF NOGL_LISTS}
glCallLists(1, GL_UNSIGNED_BYTE, @Ch);
+{$ELSE}
+ e_TextureFontDrawChar(Ch, FontID);
+{$ENDIF}
glPopMatrix;
glPushMatrix;
end;
glColor4ub(e_Colors.R, e_Colors.G, e_Colors.B, 255);
- glTranslated(X, Y, 0);
+ glTranslatef(X, Y, 0);
+{$IFDEF NOGL_LISTS}
glCallLists(1, GL_UNSIGNED_BYTE, @Ch);
+{$ELSE}
+ e_TextureFontDrawChar(Ch, FontID);
{$ENDIF}
glPopMatrix;
result := e_TextureFonts[FontID].CharWidth;
end;
-procedure e_TextureFontPrintFmt(X, Y: GLint; Text: string; FontID: DWORD; Shadow: Boolean = False);
+procedure e_TextureFontPrintFmt(X, Y: GLint; Text: string; FontID: DWORD;
+ Shadow: Boolean = False; Newlines: Boolean = False);
var
a, TX, TY, len: Integer;
tc, c: TRGB;
- w: Word;
+ w, h: Word;
begin
if e_NoGraphics then Exit;
if Text = '' then Exit;
len := Length(Text);
w := e_TextureFonts[FontID].CharWidth;
+ h := e_TextureFonts[FontID].CharHeight;
-{$IFNDEF USE_NANOGL}
with e_TextureFonts[FontID] do
begin
glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
glEnable(GL_TEXTURE_2D);
+
+{$IFDEF NOGL_LISTS}
glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
+{$ENDIF}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
for a := 1 to len do
begin
case Text[a] of
- {#10: // line feed
+ #10: // line feed
begin
- TX := X;
- TY := TY + h;
- continue;
- end;}
+ if Newlines then
+ begin
+ TX := X;
+ TY := TY + h;
+ continue;
+ end;
+ end;
#1: // black
begin
c.R := 0; c.G := 0; c.B := 0;
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
end;
-{$ENDIF}
end;
procedure e_TextureFontPrintEx(X, Y: GLint; Text: string; FontID: DWORD; Red, Green,
if e_NoGraphics then Exit;
if Text = '' then Exit;
-{$IFNDEF USE_NANOGL}
glPushMatrix;
glBindTexture(GL_TEXTURE_2D, e_TextureFonts[FontID].TextureID);
glEnable(GL_TEXTURE_2D);
+
+{$IFDEF NOGL_LISTS}
glListBase(DWORD(Integer(e_TextureFonts[FontID].Base)-32));
+{$ENDIF}
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
if Shadow then
begin
glColor4ub(0, 0, 0, 128);
- glTranslated(x+1, y+1, 0);
+ glTranslatef(x+1, y+1, 0);
glScalef(Scale, Scale, 0);
+{$IFDEF NOGL_LISTS}
glCallLists(Length(Text), GL_UNSIGNED_BYTE, PChar(Text));
+{$ELSE}
+ e_TextureFontDrawString(Text, FontID);
+{$ENDIF}
glPopMatrix;
glPushMatrix;
end;
glColor4ub(Red, Green, Blue, 255);
- glTranslated(x, y, 0);
+ glTranslatef(x, y, 0);
glScalef(Scale, Scale, 0);
+{$IFDEF NOGL_LISTS}
glCallLists(Length(Text), GL_UNSIGNED_BYTE, PChar(Text));
+{$ELSE}
+ e_TextureFontDrawString(Text, FontID);
+{$ENDIF}
glDisable(GL_TEXTURE_2D);
glPopMatrix;
glColor3ub(e_Colors.R, e_Colors.G, e_Colors.B);
glDisable(GL_BLEND);
-{$ENDIF}
end;
procedure e_TextureFontGetSize(ID: DWORD; out CharWidth, CharHeight: Byte);
for i := 0 to High(e_TextureFonts) do
if e_TextureFonts[i].Base <> 0 then
begin
-{$IFNDEF USE_NANOGL}
+{$IFDEF NOGL_LISTS}
glDeleteLists(e_TextureFonts[i].Base, 256);
{$ENDIF}
e_TextureFonts[i].Base := 0;