From 0195cc1c0d45cd85e6abf3fcb6ff304b80e8ba05 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 9 Jun 2009 22:00:22 -0600 Subject: [PATCH] tests: prim.c demo, modified for GL_EXT_provoking_vertex --- progs/tests/Makefile | 1 + progs/tests/prim.c | 559 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 560 insertions(+) create mode 100644 progs/tests/prim.c diff --git a/progs/tests/Makefile b/progs/tests/Makefile index 628ca415354..b99f03cefb7 100644 --- a/progs/tests/Makefile +++ b/progs/tests/Makefile @@ -65,6 +65,7 @@ SOURCES = \ no_s3tc.c \ packedpixels.c \ pbo.c \ + prim.c \ prog_parameter.c \ quads.c \ random.c \ diff --git a/progs/tests/prim.c b/progs/tests/prim.c new file mode 100644 index 00000000000..3e006e823d7 --- /dev/null +++ b/progs/tests/prim.c @@ -0,0 +1,559 @@ +#define GL_GLEXT_PROTOTYPES +#include +#include +#include +#include + + +#define PIXEL_CENTER(x) ((long)(x) + 0.5) + +#define GAP 10 +#define ROWS 3 +#define COLS 4 + +#define OPENGL_WIDTH 48 +#define OPENGL_HEIGHT 13 + + +GLenum provoking = GL_LAST_VERTEX_CONVENTION_EXT; +GLenum rgb, doubleBuffer, windType; +GLint windW, windH; + +GLenum mode1, mode2; +GLint boxW, boxH; +GLubyte OpenGL_bits[] = { + 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, + 0x7f, 0xfb, 0xff, 0xff, 0xff, 0x01, + 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, + 0x3e, 0x8f, 0xb7, 0xf9, 0xfc, 0x01, + 0x63, 0xdb, 0xb0, 0x8d, 0x0d, 0x00, + 0x63, 0xdb, 0xb7, 0x8d, 0x0d, 0x00, + 0x63, 0xdb, 0xb6, 0x8d, 0x0d, 0x00, + 0x63, 0x8f, 0xf3, 0xcc, 0x0d, 0x00, + 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0a, + 0x63, 0x00, 0x00, 0x0c, 0x4c, 0x0e, + 0x63, 0x00, 0x00, 0x8c, 0xed, 0x0e, + 0x3e, 0x00, 0x00, 0xf8, 0x0c, 0x00, +}; + + +#include "tkmap.c" + +static void Init(void) +{ + + mode1 = GL_TRUE; + mode2 = GL_TRUE; +} + +static void Reshape(int width, int height) +{ + + windW = (GLint)width; + windH = (GLint)height; +} + +static void RotateColorMask(void) +{ + static GLint rotation = 0; + + rotation = (rotation + 1) & 0x3; + switch (rotation) { + case 0: + glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); + glIndexMask( 0xff ); + break; + case 1: + glColorMask(GL_FALSE, GL_TRUE, GL_TRUE, GL_TRUE); + glIndexMask(0xFE); + break; + case 2: + glColorMask(GL_TRUE, GL_FALSE, GL_TRUE, GL_TRUE); + glIndexMask(0xFD); + break; + case 3: + glColorMask(GL_TRUE, GL_TRUE, GL_FALSE, GL_TRUE); + glIndexMask(0xFB); + break; + } +} + +static void Key(unsigned char key, int x, int y) +{ + + switch (key) { + case 27: + exit(1); + case '1': + mode1 = !mode1; + break; + case '2': + mode2 = !mode2; + break; + case '3': + RotateColorMask(); + break; + case 'p': + if (provoking == GL_FIRST_VERTEX_CONVENTION_EXT) { + printf("provoke last\n"); + provoking = GL_LAST_VERTEX_CONVENTION_EXT; + } + else { + printf("provoke first\n"); + provoking = GL_FIRST_VERTEX_CONVENTION_EXT; + } + glProvokingVertexEXT(provoking); + break; + default: + return; + } + + glutPostRedisplay(); +} + +static void Viewport(GLint row, GLint column) +{ + GLint x, y; + + boxW = (windW - (COLS + 1) * GAP) / COLS; + boxH = (windH - (ROWS + 1) * GAP) / ROWS; + + x = GAP + column * (boxW + GAP); + y = GAP + row * (boxH + GAP); + + glViewport(x, y, boxW, boxH); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-boxW/2, boxW/2, -boxH/2, boxH/2, 0.0, 1.0); + glMatrixMode(GL_MODELVIEW); + + glEnable(GL_SCISSOR_TEST); + glScissor(x, y, boxW, boxH); +} + +static void Point(void) +{ + GLint i; + + glBegin(GL_POINTS); + SetColor(COLOR_WHITE); + glVertex2i(0, 0); + for (i = 1; i < 8; i++) { + GLint j = i * 2; + SetColor(COLOR_BLACK+i); + glVertex2i(-j, -j); + glVertex2i(-j, 0); + glVertex2i(-j, j); + glVertex2i(0, j); + glVertex2i(j, j); + glVertex2i(j, 0); + glVertex2i(j, -j); + glVertex2i(0, -j); + } + glEnd(); +} + +static void Lines(void) +{ + GLint i; + + glPushMatrix(); + + glTranslatef(-12, 0, 0); + for (i = 1; i < 8; i++) { + glBegin(GL_LINES); + SetColor(COLOR_BLACK+i); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_BLACK+i+1); + glVertex2i(boxW/4, boxH/4); + glEnd(); + glTranslatef(4, 0, 0); + } + + glPopMatrix(); + + glBegin(GL_LINES); + glVertex2i(0, 0); + glEnd(); +} + +static void LineStrip(void) +{ + + glBegin(GL_LINE_STRIP); + SetColor(COLOR_RED); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4)); + SetColor(COLOR_GREEN); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_BLUE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_WHITE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4)); + glEnd(); + + glBegin(GL_LINE_STRIP); + glVertex2i(0, 0); + glEnd(); +} + +static void LineLoop(void) +{ + + glBegin(GL_LINE_LOOP); + SetColor(COLOR_RED); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(-boxH/4)); + SetColor(COLOR_GREEN); + glVertex2f(PIXEL_CENTER(-boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_BLUE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(boxH/4)); + SetColor(COLOR_WHITE); + glVertex2f(PIXEL_CENTER(boxW/4), PIXEL_CENTER(-boxH/4)); + glEnd(); + + glEnable(GL_LOGIC_OP); + glLogicOp(GL_XOR); + + glEnable(GL_BLEND); + glBlendFunc(GL_ONE, GL_ONE); + + SetColor(COLOR_MAGENTA); + glBegin(GL_LINE_LOOP); + glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(-boxH/8)); + glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8)); + glEnd(); + glBegin(GL_LINE_LOOP); + glVertex2f(PIXEL_CENTER(-boxW/8), PIXEL_CENTER(boxH/8+5)); + glVertex2f(PIXEL_CENTER(boxW/8), PIXEL_CENTER(boxH/8+5)); + glEnd(); + glDisable(GL_LOGIC_OP); + glDisable(GL_BLEND); + + SetColor(COLOR_GREEN); + glBegin(GL_POINTS); + glVertex2i(0, 0); + glEnd(); + + glBegin(GL_LINE_LOOP); + glVertex2i(0, 0); + glEnd(); +} + +static void Bitmap(void) +{ + + glBegin(GL_LINES); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/2, 0); + glVertex2i(boxW/2, 0); + glVertex2i(0, -boxH/2); + glVertex2i(0, boxH/2); + SetColor(COLOR_RED); + glVertex2i(0, -3); + glVertex2i(0, -3+OPENGL_HEIGHT); + SetColor(COLOR_BLUE); + glVertex2i(0, -3); + glVertex2i(OPENGL_WIDTH, -3); + glEnd(); + + SetColor(COLOR_GREEN); + + glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE); + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + + glRasterPos2i(0, 0); + glBitmap(OPENGL_WIDTH, OPENGL_HEIGHT, 0, 3, 0.0, 0.0, OpenGL_bits); +} + +static void Triangles(void) +{ + + glBegin(GL_TRIANGLES); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, -boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, -boxH/16); + + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, boxH/16); + glEnd(); + + glBegin(GL_TRIANGLES); + glVertex2i(0, 0); + glVertex2i(-100, 100); + glEnd(); +} + +static void TriangleStrip(void) +{ + + glBegin(GL_TRIANGLE_STRIP); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_BLUE); + glVertex2i(0, -boxH/4); + SetColor(COLOR_WHITE); + glVertex2i(0, boxH/4); + SetColor(COLOR_CYAN); + glVertex2i(boxW/4, -boxH/4); + SetColor(COLOR_YELLOW); + glVertex2i(boxW/4, boxH/4); + glEnd(); + + glBegin(GL_TRIANGLE_STRIP); + glVertex2i(0, 0); + glVertex2i(-100, 100); + glEnd(); +} + +static void TriangleFan(void) +{ + GLint vx[8][2]; + GLint x0, y0, x1, y1, x2, y2, x3, y3; + GLint i; + + y0 = -boxH/4; + y1 = y0 + boxH/2/3; + y2 = y1 + boxH/2/3; + y3 = boxH/4; + x0 = -boxW/4; + x1 = x0 + boxW/2/3; + x2 = x1 + boxW/2/3; + x3 = boxW/4; + + vx[0][0] = x0; vx[0][1] = y1; + vx[1][0] = x0; vx[1][1] = y2; + vx[2][0] = x1; vx[2][1] = y3; + vx[3][0] = x2; vx[3][1] = y3; + vx[4][0] = x3; vx[4][1] = y2; + vx[5][0] = x3; vx[5][1] = y1; + vx[6][0] = x2; vx[6][1] = y0; + vx[7][0] = x1; vx[7][1] = y0; + + glBegin(GL_TRIANGLE_FAN); + SetColor(COLOR_WHITE); + glVertex2i(0, 0); + for (i = 0; i < 8; i++) { + SetColor(COLOR_WHITE-i); + glVertex2iv(vx[i]); + } + glEnd(); + + glBegin(GL_TRIANGLE_FAN); + glVertex2i(0, 0); + glVertex2i(-100, 100); + glEnd(); +} + +static void Rect(void) +{ + + SetColor(COLOR_GREEN); + glRecti(-boxW/4, -boxH/4, boxW/4, boxH/4); +} + +static void PolygonFunc(void) +{ + GLint vx[8][2]; + GLint x0, y0, x1, y1, x2, y2, x3, y3; + GLint i; + + y0 = -boxH/4; + y1 = y0 + boxH/2/3; + y2 = y1 + boxH/2/3; + y3 = boxH/4; + x0 = -boxW/4; + x1 = x0 + boxW/2/3; + x2 = x1 + boxW/2/3; + x3 = boxW/4; + + vx[0][0] = x0; vx[0][1] = y1; + vx[1][0] = x0; vx[1][1] = y2; + vx[2][0] = x1; vx[2][1] = y3; + vx[3][0] = x2; vx[3][1] = y3; + vx[4][0] = x3; vx[4][1] = y2; + vx[5][0] = x3; vx[5][1] = y1; + vx[6][0] = x2; vx[6][1] = y0; + vx[7][0] = x1; vx[7][1] = y0; + + glBegin(GL_POLYGON); + for (i = 0; i < 8; i++) { + SetColor(COLOR_WHITE-i); + glVertex2iv(vx[i]); + } + glEnd(); + + glBegin(GL_POLYGON); + glVertex2i(0, 0); + glVertex2i(100, 100); + glEnd(); +} + +static void Quads(void) +{ + + glBegin(GL_QUADS); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, -boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, -boxH/16); + SetColor(COLOR_WHITE); + glVertex2i(boxW/4, -boxH/4); + + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/8, boxH/16); + SetColor(COLOR_BLUE); + glVertex2i(boxW/8, boxH/16); + SetColor(COLOR_WHITE); + glVertex2i(boxW/4, boxH/4); + glEnd(); + + glBegin(GL_QUADS); + glVertex2i(0, 0); + glVertex2i(100, 100); + glVertex2i(-100, 100); + glEnd(); +} + +static void QuadStrip(void) +{ + + glBegin(GL_QUAD_STRIP); + SetColor(COLOR_GREEN); + glVertex2i(-boxW/4, -boxH/4); + SetColor(COLOR_RED); + glVertex2i(-boxW/4, boxH/4); + SetColor(COLOR_BLUE); + glVertex2i(0, -boxH/4); + SetColor(COLOR_WHITE); + glVertex2i(0, boxH/4); + SetColor(COLOR_CYAN); + glVertex2i(boxW/4, -boxH/4); + SetColor(COLOR_YELLOW); + glVertex2i(boxW/4, boxH/4); + glEnd(); + + glBegin(GL_QUAD_STRIP); + glVertex2i(0, 0); + glVertex2i(100, 100); + glVertex2i(-100, 100); + glEnd(); +} + +static void Draw(void) +{ + + glViewport(0, 0, windW, windH); + glDisable(GL_SCISSOR_TEST); + + glPushAttrib(GL_COLOR_BUFFER_BIT); + + glColorMask(1, 1, 1, 1); + glIndexMask(~0); + + glClearColor(0.0, 0.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + + glPopAttrib(); + + if (mode1) { + glShadeModel(GL_SMOOTH); + } else { + glShadeModel(GL_FLAT); + } + + if (mode2) { + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); + } else { + glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); + } + + Viewport(0, 0); Point(); + Viewport(0, 1); Lines(); + Viewport(0, 2); LineStrip(); + Viewport(0, 3); LineLoop(); + + Viewport(1, 0); Bitmap(); + Viewport(1, 1); TriangleFan(); + Viewport(1, 2); Triangles(); + Viewport(1, 3); TriangleStrip(); + + Viewport(2, 0); Rect(); + Viewport(2, 1); PolygonFunc(); + Viewport(2, 2); Quads(); + Viewport(2, 3); QuadStrip(); + + glFlush(); + + if (doubleBuffer) { + glutSwapBuffers(); + } +} + +static GLenum Args(int argc, char **argv) +{ + GLint i; + + rgb = GL_TRUE; + doubleBuffer = GL_FALSE; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-ci") == 0) { + rgb = GL_FALSE; + } else if (strcmp(argv[i], "-rgb") == 0) { + rgb = GL_TRUE; + } else if (strcmp(argv[i], "-sb") == 0) { + doubleBuffer = GL_FALSE; + } else if (strcmp(argv[i], "-db") == 0) { + doubleBuffer = GL_TRUE; + } else { + printf("%s (Bad option).\n", argv[i]); + return GL_FALSE; + } + } + return GL_TRUE; +} + +int main(int argc, char **argv) +{ + glutInit(&argc, argv); + + if (Args(argc, argv) == GL_FALSE) { + exit(1); + } + + windW = 600; + windH = 300; + glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH); + + windType = (rgb) ? GLUT_RGB : GLUT_INDEX; + windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; + glutInitDisplayMode(windType); + + if (glutCreateWindow("Primitive Test") == GL_FALSE) { + exit(1); + } + + InitMap(); + + Init(); + + glutReshapeFunc(Reshape); + glutKeyboardFunc(Key); + glutDisplayFunc(Draw); + glutMainLoop(); + return 0; +} -- 2.30.2