index cd0c58fb3e5c2aace4d792c3e52d4ba1fae8ed88..c839936087a0754aa00405d235b32c67087422a3 100644 (file)
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
sl, st, sr, sb: Integer;
ScreenWidth, ScreenHeight: Integer;
+ enableTexture2D: Boolean;
+ curR, curG, curB, curA: Byte;
+
+ procedure r_Draw_EnableTexture2D (enable: Boolean);
+ begin
+ if enable <> enableTexture2D then
+ begin
+ if enable then glEnable(GL_TEXTURE_2D) else glDisable(GL_TEXTURE_2D);
+ enableTexture2D := enable;
+ end;
+ end;
+
+ procedure r_Draw_SetColor (r, g, b, a: Byte);
+ begin
+ if (r <> curR) or (g <> curG) or (b <> curB) or (curA <> a) then
+ begin
+ glColor4ub(r, g, b, a);
+ curR := r;
+ curG := g;
+ curB := b;
+ curA := a;
+ end;
+ end;
+
procedure r_Draw_Setup (w, h: Integer);
begin
ASSERT(w >= 0);
glOrtho(0, w, h, 0, 0, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity;
-// glTranslatef(0.5, 0.5, 0);
+ glEnable(GL_SCISSOR_TEST);
+ r_Draw_SetRect(0, 0, w - 1, h - 1);
end;
procedure DrawQuad (x, y, w, h: Integer);
begin
if tile = nil then
begin
- glColor4ub(rr, gg, bb, aa);
+ 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);
- glDisable(GL_TEXTURE_2D);
+ r_Draw_EnableTexture2D(false);
glEnable(GL_BLEND);
DrawQuad(x, y, w, h);
end
ay := (tile.t) / nw;
by := (tile.b + 1) / nh;
l := x; t := y; r := x + w; b := y + h;
- glBindTexture(GL_TEXTURE_2D, tile.id);
- glColor4ub(rr, gg, bb, aa);
+ r_Textures_GL_Bind(tile.id);
+ 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);
- glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBegin(GL_QUADS);
glTexCoord2f(ax, ay); glVertex2i(r, t);
glTexCoord2f(bx, by); glVertex2i(l, b);
glTexCoord2f(ax, by); glVertex2i(r, b);
glEnd();
- glDisable(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, 0);
end
end;
+ procedure DrawHWTexture (gltex: GLint; nw, nh, x, y, w, h: Integer; flip: Boolean; rr, gg, bb, aa: Byte; blend: Boolean);
+ var ax, bx, ay, by: GLfloat; l, t, r, b: Integer;
+ begin
+ ax := IfThen(flip, 0, w) / nw;
+ bx := IfThen(flip, w, 0) / nh;
+ ay := 0 / nw;
+ by := h / nh;
+ l := x; t := y; r := x + w; b := y + h;
+ r_Textures_GL_Bind(gltex);
+ 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);
+ glEnable(GL_BLEND);
+ glBegin(GL_QUADS);
+ glTexCoord2f(ax, ay); glVertex2i(r, t);
+ glTexCoord2f(bx, ay); glVertex2i(l, t);
+ glTexCoord2f(bx, by); glVertex2i(l, b);
+ glTexCoord2f(ax, by); glVertex2i(r, b);
+ glEnd();
+ end;
+
procedure r_Draw_Texture (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
- var i, j, offx, offy: Integer; n: TGLAtlasNode;
+ var i, j, first, last, step: Integer; n: TGLAtlasNode;
begin
ASSERT(w >= 0);
ASSERT(h >= 0);
DrawTile(nil, x, y, w, h, flip, NTR, NTB, NTG, NTA, blend)
else
begin
- offx := 0;
- offy := 0;
+ if flip then first := img.cols - 1 else first := 0;
+ if flip then last := -1 else last := img.cols;
+ if flip then step := -1 else step := +1;
+ glPushMatrix;
+ glTranslatef(x, y, 0);
+ glScalef(w / img.width, h / img.height, 1);
for j := 0 to img.lines - 1 do
begin
- for i := 0 to img.cols - 1 do
- begin
+ i := first;
+ repeat
n := img.GetTile(i, j);
ASSERT(n <> nil);
- glPushMatrix;
- glTranslatef(x + offx, y + offy, 0);
- glScalef(w / img.width, h / img.height, 1);
DrawTile(n, 0, 0, n.width, n.height, flip, r, g, b, a, blend);
- glPopMatrix;
- offx := offx + n.width;
- end;
- offx := 0;
- offy := offy + n.height;
+ glTranslatef(n.width, 0, 0);
+ i := i + step;
+ until i = last;
+ glTranslatef(-img.width, n.height, 0);
end;
+ glPopMatrix;
end
end;
+ function r_Draw_IsHWRepeatable (img: TGLTexture): Boolean;
+ var n: TGLAtlasNode; a: TGLAtlas;
+ begin
+ ASSERT(img <> nil);
+ result := false;
+ if (img.cols = 1) and (img.lines = 1) then
+ begin
+ n := img.GetTile(0, 0);
+ if (n.width = img.width) and (n.height = img.height) then
+ begin
+ a := n.base;
+ result := (a.GetWidth() = img.width) and (a.GetHeight() = img.height)
+ end;
+ end;
+ end;
+
procedure r_Draw_TextureRepeat (img: TGLTexture; x, y, w, h: Integer; flip: Boolean; r, g, b, a: Byte; blend: Boolean);
var i, j: Integer;
begin
ASSERT(h >= 0);
if img = nil then
r_Draw_Texture(nil, x, y, w, h, flip, NTR, NTG, NTB, NTB, blend)
+ 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
for j := 0 to (h - 1) div img.height do
for i := 0 to (w - 1) div img.width do
ASSERT(b >= t);
glEnable(GL_BLEND);
glBlendFunc(GL_ZERO, GL_SRC_COLOR);
- glDisable(GL_TEXTURE_2D);
- glColor4ub(rr, gg, bb, aa);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
glBegin(GL_QUADS);
glVertex2i(l, t);
glVertex2i(r, t);
ASSERT(b >= t);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glDisable(GL_TEXTURE_2D);
- glColor4ub(rr, gg, bb, aa);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
glBegin(GL_LINE_LOOP);
{
glVertex2i(l, t);
ASSERT(b >= t);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glDisable(GL_TEXTURE_2D);
- glColor4ub(rr, gg, bb, aa);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
glBegin(GL_QUADS);
{
glVertex2i(l, 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;
end;
ASSERT(b >= t);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
- glDisable(GL_TEXTURE_2D);
- glColor4ub(rr, gg, bb, aa);
+ r_Draw_EnableTexture2D(false);
+ r_Draw_SetColor(rr, gg, bb, aa);
glBegin(GL_QUADS);
glVertex2i(l, t);
glVertex2i(r, t);