From b056e1566268f6230c5a6f0dc06a9b4f8b22b168 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 26 Feb 2010 12:04:53 -0700 Subject: progs/tests: add compile-time option for coloring texture corners When debugging wrap modes it's helpful to set each corner of the texture image to a distinct color. --- progs/tests/texwrap.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'progs') diff --git a/progs/tests/texwrap.c b/progs/tests/texwrap.c index 39c55919dd..bb26635d67 100644 --- a/progs/tests/texwrap.c +++ b/progs/tests/texwrap.c @@ -31,6 +31,7 @@ #define BORDER_TEXTURE 1 #define NO_BORDER_TEXTURE 2 +#define COLOR_TEX_CORNERS 0 #define SIZE 8 static GLubyte BorderImage[SIZE+2][SIZE+2][4]; @@ -281,6 +282,37 @@ static void Init( void ) for (i = 0; i < SIZE; i++) { for (j = 0; j < SIZE; j++) { +#if COLOR_TEX_CORNERS + if (i == 0 && j == 0) { + /* lower-left texel = RED */ + NoBorderImage[i][j][0] = 255; + NoBorderImage[i][j][1] = 0; + NoBorderImage[i][j][2] = 0; + NoBorderImage[i][j][3] = 255; + } + else if (i == 0 && j == SIZE-1) { + /* lower-right corner = GREEN */ + NoBorderImage[i][j][0] = 0; + NoBorderImage[i][j][1] = 255; + NoBorderImage[i][j][2] = 0; + NoBorderImage[i][j][3] = 255; + } + else if (i == SIZE-1 && j == 0) { + /* upper-left corner = BLUE */ + NoBorderImage[i][j][0] = 0; + NoBorderImage[i][j][1] = 0; + NoBorderImage[i][j][2] = 255; + NoBorderImage[i][j][3] = 255; + } + else if (i == SIZE-1 && j == SIZE-1) { + /* upper-right corner = YELLOW */ + NoBorderImage[i][j][0] = 255; + NoBorderImage[i][j][1] = 255; + NoBorderImage[i][j][2] = 0; + NoBorderImage[i][j][3] = 255; + } + else +#endif if ((i + j) & 1) { /* white */ NoBorderImage[i][j][0] = 255; -- cgit v1.2.3