index 940b6728d2cc9827204912fcff593d848a6b0afd..4f28d505c7da6d1f8e01db2c2fe4dbe2fe2c7cd6 100644 (file)
r_textures
;
+ procedure r_Draw_SetFilter (img: TGLTexture; enable: Boolean);
+
procedure r_Draw_Texture (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
procedure r_Draw_TextureRepeat (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
procedure r_Draw_TextureRepeatRotate (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean; rx, ry, angle: Integer);
procedure r_Draw_Rect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
procedure r_Draw_FillRect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
procedure r_Draw_InvertRect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
+ procedure r_Draw_Line (x0, y0, x1, y1: Integer; rr, gg, bb, aa: Byte);
procedure r_Draw_Text (const text: AnsiString; x, y: Integer; r, g, b, a: Byte; f: TGLFont);
procedure r_Draw_GetTextSize (const text: AnsiString; f: TGLFont; out w, h: Integer);
- procedure r_Draw_Setup (w, h: Integer);
+ procedure r_Draw_Setup (sw, sh, gw, gh: Integer);
procedure r_Draw_SetRect (l, t, r, b: Integer);
procedure r_Draw_GetRect (out l, t, r, b: Integer);
procedure r_Draw_EnableTexture2D (enable: Boolean);
+ procedure r_Draw_SetColor (r, g, b, a: Byte);
implementation
uses
- {$IFDEF USE_GLES1}
- GLES11,
- {$ELSE}
- GL, GLEXT,
- {$ENDIF}
+ {$I ../../../nogl/noGLuses.inc}
SysUtils, Classes, Math,
e_log, utils
;
var
sl, st, sr, sb: Integer;
ScreenWidth, ScreenHeight: Integer;
+ GameWidth, GameHeight: Integer;
enableTexture2D: Boolean;
curR, curG, curB, curA: Byte;
end;
end;
- procedure r_Draw_Setup (w, h: Integer);
+ procedure r_Draw_Setup (sw, sh, gw, gh: Integer);
begin
- ASSERT(w >= 0);
- ASSERT(h >= 0);
- ScreenWidth := w;
- ScreenHeight := h;
- glScissor(0, 0, w, h);
- glViewport(0, 0, w, h);
+ ASSERT((sw >= 0) and (sh >= 0)); // screen/window size
+ ASSERT((gw >= 0) and (gh >= 0)); // virtual screen size
+ ScreenWidth := sw;
+ ScreenHeight := sh;
+ GameWidth := gw;
+ GameHeight := gh;
+ glScissor(0, 0, sw, sh);
+ glViewport(0, 0, sw, sh);
glMatrixMode(GL_PROJECTION);
glLoadIdentity;
- glOrtho(0, w, h, 0, 0, 1);
+ glOrtho(0, gw, gh, 0, 0, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity;
glEnable(GL_SCISSOR_TEST);
- r_Draw_SetRect(0, 0, w - 1, h - 1);
+ r_Draw_SetRect(0, 0, gw - 1, gh - 1);
end;
procedure DrawQuad (x, y, w, h: Integer);
glEnd();
end;
- procedure DrawTile (tile: TGLAtlasNode; x, y, w, h: Integer; flip: Boolean; rr, gg, bb, aa: Byte; blend: Boolean);
+ procedure DrawTextureError (x, y, w, h: Integer);
+ var w2, h2: Integer;
+ begin
+ w2 := w div 2; h2 := h div 2;
+ r_Draw_FillRect(x, y, x + w2, y + h2, 255, 0, 255, 255);
+ r_Draw_FillRect(x + w2, y, x + w, y + h2, 255, 255, 255, 255);
+ r_Draw_FillRect(x + w2, y + h2, x + w, y + h, 255, 0, 255, 255);
+ r_Draw_FillRect(x, y + h2, x + w2, y + h, 255, 255, 255, 255);
+ if (w > 2) and (h > 2) then
+ r_Draw_Rect(x, y, x + w, y + h, 0, 255, 0, 255);
+ end;
+
+ procedure r_Draw_SetFilter (img: TGLTexture; enable: Boolean);
+ begin
+ ASSERT(img <> nil);
+ img.filter := enable;
+ end;
+
+ procedure DrawTile (tile: TGLAtlasNode; x, y, w, h: Integer; flip: Boolean; rr, gg, bb, aa: Byte; blend, filter: Boolean);
var nw, nh, ax, bx, ay, by: GLfloat; l, t, r, b: Integer;
begin
if tile = nil then
begin
- r_Draw_SetColor(rr, gg, bb, aa);
- if blend then glBlendFunc(GL_SRC_ALPHA, GL_ONE) else glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- r_Draw_EnableTexture2D(false);
- glEnable(GL_BLEND);
- DrawQuad(x, y, w, h);
+ DrawTextureError(x, y, w, h);
end
else
begin
by := (tile.b + 1) / nh;
l := x; t := y; r := x + w; b := y + h;
r_Textures_GL_Bind(tile.id);
+ if filter <> tile.base.filter then
+ begin
+ if filter then
+ begin
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ end
+ else
+ begin
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ end;
+ tile.base.filter := filter;
+ end;
r_Draw_SetColor(rr, gg, bb, aa);
r_Draw_EnableTexture2D(true);
if blend then glBlendFunc(GL_SRC_ALPHA, GL_ONE) else glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
ASSERT(w >= 0);
ASSERT(h >= 0);
if img = nil then
- DrawTile(nil, x, y, w, h, flip, NTR, NTB, NTG, NTA, blend)
+ DrawTextureError(x, y, w, h)
else
begin
if flip then first := img.cols - 1 else first := 0;
repeat
n := img.GetTile(i, j);
ASSERT(n <> nil);
- DrawTile(n, 0, 0, n.width, n.height, flip, r, g, b, a, blend);
+ DrawTile(n, 0, 0, n.width, n.height, flip, r, g, b, a, blend, img.filter);
glTranslatef(n.width, 0, 0);
i := i + step;
until i = last;
ASSERT(w >= 0);
ASSERT(h >= 0);
if img = nil then
- r_Draw_Texture(nil, x, y, w, h, flip, NTR, NTG, NTB, NTB, blend)
+ DrawTextureError(x, y, w, h)
else if r_Draw_IsHWRepeatable(img) then
DrawHWTexture(img.GetTile(0, 0).base.id, img.width, img.height, x, y, w, h, flip, r, g, b, a, blend)
else
begin
ASSERT(anim.IsValid());
if m = nil then
- r_Draw_TextureRepeat(nil, x, y, w, h, flip, NTR, NTG, NTB, NTB, blend)
+ DrawTextureError(x, y, w, h)
else
begin
g_Anim_GetFrameFromState(anim, backanim, frame);
r_Draw_MultiTextureRepeat(m, anim, backanim, x, y, w, h, flip, r, g, b, a, blend);
end;
- procedure r_Draw_Filter (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
+ procedure r_Draw_Rect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
begin
- ASSERT(r >= l);
- ASSERT(b >= t);
- glEnable(GL_BLEND);
- glBlendFunc(GL_ZERO, GL_SRC_COLOR);
- r_Draw_EnableTexture2D(false);
- r_Draw_SetColor(rr, gg, bb, aa);
- glBegin(GL_QUADS);
- glVertex2i(l, t);
- glVertex2i(r, t);
- glVertex2i(r, b);
- glVertex2i(l, b);
- glEnd;
+ ASSERT(l <= r);
+ ASSERT(t <= b);
+ if (l < r) and (t < b) then
+ begin
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
+ glBegin(GL_QUADS);
+ (* top *)
+ glVertex2i(l, t);
+ glVertex2i(r, t);
+ glVertex2i(r, t+1);
+ glVertex2i(l, t+1);
+ (* bottom *)
+ glVertex2i(l, b-1);
+ glVertex2i(r, b-1);
+ glVertex2i(r, b);
+ glVertex2i(l, b);
+ (* left *)
+ glVertex2i(l, t+1);
+ glVertex2i(l+1, t+1);
+ glVertex2i(l+1, b-1);
+ glVertex2i(l, b-1);
+ (* right *)
+ glVertex2i(r-1, t+1);
+ glVertex2i(r, t+1);
+ glVertex2i(r, b-1);
+ glVertex2i(r-1, b-1);
+ glEnd;
+ end;
end;
- procedure r_Draw_Rect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
+ procedure r_Draw_FillRect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
begin
- ASSERT(r >= l);
- ASSERT(b >= t);
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- r_Draw_EnableTexture2D(false);
- r_Draw_SetColor(rr, gg, bb, aa);
- glBegin(GL_LINE_LOOP);
-{
- glVertex2i(l, t);
- glVertex2i(r, t);
- glVertex2i(r, b);
- glVertex2i(l, b);
-}
- glVertex2f(l + 0.5, t + 0.5);
- glVertex2f(r - 0.5, t + 0.5);
- glVertex2f(r - 0.5, b - 0.5);
- glVertex2f(l + 0.5, b - 0.5);
- glEnd;
+ ASSERT(l <= r);
+ ASSERT(t <= b);
+ if (l < r) and (t < b) then
+ begin
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
+ glBegin(GL_QUADS);
+ glVertex2i(l, t);
+ glVertex2i(r, t);
+ glVertex2i(r, b);
+ glVertex2i(l, b);
+ glEnd;
+ end;
end;
- procedure r_Draw_FillRect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
+ procedure r_Draw_Filter (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
begin
- ASSERT(r >= l);
- ASSERT(b >= t);
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- r_Draw_EnableTexture2D(false);
- r_Draw_SetColor(rr, gg, bb, aa);
- glBegin(GL_QUADS);
-{
- glVertex2i(l, t);
- glVertex2i(r, t);
- glVertex2i(r, b);
- glVertex2i(l, b);
-}
-{
- glVertex2f(l + 0.5, t + 0.5);
- glVertex2f(r - 0.5, t + 0.5);
- glVertex2f(r - 0.5, b - 0.5);
- glVertex2f(l + 0.5, b - 0.5);
-}
- glVertex2f(l + 0, t + 0);
- glVertex2f(r + 0.75, t + 0);
- glVertex2f(r + 0.75, b + 0.75);
- glVertex2f(l + 0, b + 0.75);
- glEnd;
+ ASSERT(l <= r);
+ ASSERT(t <= b);
+ if (l < r) and (t < b) then
+ begin
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ZERO, GL_SRC_COLOR);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
+ glBegin(GL_QUADS);
+ glVertex2i(l, t);
+ glVertex2i(r, t);
+ glVertex2i(r, b);
+ glVertex2i(l, b);
+ glEnd;
+ end;
end;
procedure r_Draw_InvertRect (l, t, r, b: Integer; rr, gg, bb, aa: Byte);
begin
- ASSERT(r >= l);
- ASSERT(b >= t);
+ ASSERT(l <= r);
+ ASSERT(t <= b);
+ if (l < r) and (t < b) then
+ begin
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
+ glBegin(GL_QUADS);
+ glVertex2i(l, t);
+ glVertex2i(r, t);
+ glVertex2i(r, b);
+ glVertex2i(l, b);
+ glEnd;
+ end;
+ end;
+
+ procedure r_Draw_Line (x0, y0, x1, y1: Integer; rr, gg, bb, aa: Byte);
+ begin
glEnable(GL_BLEND);
- glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
r_Draw_EnableTexture2D(false);
r_Draw_SetColor(rr, gg, bb, aa);
- glBegin(GL_QUADS);
- glVertex2i(l, t);
- glVertex2i(r, t);
- glVertex2i(r, b);
- glVertex2i(l, b);
+ glLineWidth(1);
+ glBegin(GL_LINES);
+ glVertex2i(x0, y0);
+ glVertex2i(x1, y1);
glEnd;
end;
end;
procedure r_Draw_SetRect (l, t, r, b: Integer);
- var w, h: Integer;
+ var x, y, w, h: Integer;
begin
ASSERT(l <= r);
ASSERT(t <= b);
- w := r - l + 1;
- h := b - t + 1;
- glScissor(l, ScreenHeight - h - t, w, h);
+ x := l * ScreenWidth div GameWidth;
+ y := t * ScreenHeight div GameHeight;
+ w := (r - l + 1) * ScreenWidth div GameWidth;
+ h := (b - t + 1) * ScreenHeight div GameHeight;
+ glScissor(x, ScreenHeight - h - y, w, h);
sl := l; st := t; sr := r; sb := b;
end;