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-rw-r--r--progs/egl/opengles2/.gitignore3
-rw-r--r--progs/egl/opengles2/Makefile56
-rw-r--r--progs/egl/opengles2/es2gears.c425
-rw-r--r--progs/egl/opengles2/tri.c520
4 files changed, 0 insertions, 1004 deletions
diff --git a/progs/egl/opengles2/.gitignore b/progs/egl/opengles2/.gitignore
deleted file mode 100644
index 6158cc6e68..0000000000
--- a/progs/egl/opengles2/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-es2_info.c
-es2_info
-tri
diff --git a/progs/egl/opengles2/Makefile b/progs/egl/opengles2/Makefile
deleted file mode 100644
index bf14513d7f..0000000000
--- a/progs/egl/opengles2/Makefile
+++ /dev/null
@@ -1,56 +0,0 @@
-# progs/egl/opengles2/Makefile
-
-TOP = ../../..
-include $(TOP)/configs/current
-
-
-INCLUDE_DIRS = \
- -I$(TOP)/include \
- -I$(TOP)/progs/egl/eglut \
- $(X11_CFLAGS) \
-
-
-HEADERS = $(TOP)/include/GLES/egl.h
-
-
-ES2_LIB_DEPS = \
- $(TOP)/$(LIB_DIR)/$(EGL_LIB_NAME) \
- $(TOP)/$(LIB_DIR)/$(GLESv2_LIB_NAME)
-
-
-ES2_LIBS = \
- -L$(TOP)/$(LIB_DIR) -l$(EGL_LIB) -l$(GLESv2_LIB) \
- $(LIBDRM_LIB) $(X11_LIBS)
-
-PROGRAMS = \
- es2_info \
- tri \
- es2gears
-
-
-.c.o:
- $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
-
-
-
-default: $(PROGRAMS)
-
-
-
-es2_info.c: ../opengles1/es1_info.c
- cp -f $^ $@
-
-es2_info: es2_info.o $(ES2_LIB_DEPS)
- $(CC) $(CFLAGS) es2_info.o $(ES2_LIBS) -o $@
-
-tri: tri.o $(ES2_LIB_DEPS)
- $(CC) $(CFLAGS) tri.o $(ES2_LIBS) -o $@
-
-es2gears: es2gears.o $(ES2_LIB_DEPS)
- $(CC) $(CFLAGS) es2gears.o ../eglut/libeglut-x11.a $(ES2_LIBS) -lm -o $@
-
-clean:
- rm -f *.o *~
- rm -f $(PROGRAMS)
- rm -f es2_info.c
-
diff --git a/progs/egl/opengles2/es2gears.c b/progs/egl/opengles2/es2gears.c
deleted file mode 100644
index 6bd6594320..0000000000
--- a/progs/egl/opengles2/es2gears.c
+++ /dev/null
@@ -1,425 +0,0 @@
-/*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * Ported to GLES2.
- * Kristian Høgsberg <krh@bitplanet.net>
- * May 3, 2010
- */
-
-/*
- * Command line options:
- * -info print GL implementation information
- *
- */
-
-
-#define GL_GLEXT_PROTOTYPES
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <GLES2/gl2.h>
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#include "eglut.h"
-
-#ifndef M_PI
-#define M_PI 3.14159265
-#endif
-
-struct gear {
- GLfloat *vertices;
- GLuint vbo;
- int count;
-};
-
-static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
-static struct gear *gear1, *gear2, *gear3;
-static GLfloat angle = 0.0;
-static GLuint proj_location, light_location, color_location;
-static GLfloat proj[16];
-
-static GLfloat *
-vert(GLfloat *p, GLfloat x, GLfloat y, GLfloat z, GLfloat *n)
-{
- p[0] = x;
- p[1] = y;
- p[2] = z;
- p[3] = n[0];
- p[4] = n[1];
- p[5] = n[2];
-
- return p + 6;
-}
-
-/* Draw a gear wheel. You'll probably want to call this function when
- * building a display list since we do a lot of trig here.
- *
- * Input: inner_radius - radius of hole at center
- * outer_radius - radius at center of teeth
- * width - width of gear
- * teeth - number of teeth
- * tooth_depth - depth of tooth
- */
-static struct gear *
-gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
- GLint teeth, GLfloat tooth_depth)
-{
- GLint i;
- GLfloat r0, r1, r2;
- GLfloat da;
- GLfloat *p, *v;
- struct gear *gear;
- double s[5], c[5];
- GLfloat verts[3 * 14], normal[3];
- const int tris_per_tooth = 20;
-
- gear = malloc(sizeof *gear);
- if (gear == NULL)
- return NULL;
-
- r0 = inner_radius;
- r1 = outer_radius - tooth_depth / 2.0;
- r2 = outer_radius + tooth_depth / 2.0;
-
- da = 2.0 * M_PI / teeth / 4.0;
-
- gear->vertices = calloc(teeth * tris_per_tooth * 3 * 6,
- sizeof *gear->vertices);
- s[4] = 0;
- c[4] = 1;
- v = gear->vertices;
- for (i = 0; i < teeth; i++) {
- s[0] = s[4];
- c[0] = c[4];
- sincos(i * 2.0 * M_PI / teeth + da, &s[1], &c[1]);
- sincos(i * 2.0 * M_PI / teeth + da * 2, &s[2], &c[2]);
- sincos(i * 2.0 * M_PI / teeth + da * 3, &s[3], &c[3]);
- sincos(i * 2.0 * M_PI / teeth + da * 4, &s[4], &c[4]);
-
- normal[0] = 0.0;
- normal[1] = 0.0;
- normal[2] = 1.0;
-
- v = vert(v, r2 * c[1], r2 * s[1], width * 0.5, normal);
-
- v = vert(v, r2 * c[1], r2 * s[1], width * 0.5, normal);
- v = vert(v, r2 * c[2], r2 * s[2], width * 0.5, normal);
- v = vert(v, r1 * c[0], r1 * s[0], width * 0.5, normal);
- v = vert(v, r1 * c[3], r1 * s[3], width * 0.5, normal);
- v = vert(v, r0 * c[0], r0 * s[0], width * 0.5, normal);
- v = vert(v, r1 * c[4], r1 * s[4], width * 0.5, normal);
- v = vert(v, r0 * c[4], r0 * s[4], width * 0.5, normal);
-
- v = vert(v, r0 * c[4], r0 * s[4], width * 0.5, normal);
- v = vert(v, r0 * c[0], r0 * s[0], width * 0.5, normal);
- v = vert(v, r0 * c[4], r0 * s[4], -width * 0.5, normal);
- v = vert(v, r0 * c[0], r0 * s[0], -width * 0.5, normal);
-
- normal[0] = 0.0;
- normal[1] = 0.0;
- normal[2] = -1.0;
-
- v = vert(v, r0 * c[4], r0 * s[4], -width * 0.5, normal);
-
- v = vert(v, r0 * c[4], r0 * s[4], -width * 0.5, normal);
- v = vert(v, r1 * c[4], r1 * s[4], -width * 0.5, normal);
- v = vert(v, r0 * c[0], r0 * s[0], -width * 0.5, normal);
- v = vert(v, r1 * c[3], r1 * s[3], -width * 0.5, normal);
- v = vert(v, r1 * c[0], r1 * s[0], -width * 0.5, normal);
- v = vert(v, r2 * c[2], r2 * s[2], -width * 0.5, normal);
- v = vert(v, r2 * c[1], r2 * s[1], -width * 0.5, normal);
-
- v = vert(v, r1 * c[0], r1 * s[0], width * 0.5, normal);
-
- v = vert(v, r1 * c[0], r1 * s[0], width * 0.5, normal);
- v = vert(v, r1 * c[0], r1 * s[0], -width * 0.5, normal);
- v = vert(v, r2 * c[1], r2 * s[1], width * 0.5, normal);
- v = vert(v, r2 * c[1], r2 * s[1], -width * 0.5, normal);
- v = vert(v, r2 * c[2], r2 * s[2], width * 0.5, normal);
- v = vert(v, r2 * c[2], r2 * s[2], -width * 0.5, normal);
- v = vert(v, r1 * c[3], r1 * s[3], width * 0.5, normal);
- v = vert(v, r1 * c[3], r1 * s[3], -width * 0.5, normal);
- v = vert(v, r1 * c[4], r1 * s[4], width * 0.5, normal);
- v = vert(v, r1 * c[4], r1 * s[4], -width * 0.5, normal);
-
- v = vert(v, r1 * c[4], r1 * s[4], -width * 0.5, normal);
- }
-
- gear->count = (v - gear->vertices) / 6;
-
- glGenBuffers(1, &gear->vbo);
- glBindBuffer(GL_ARRAY_BUFFER, gear->vbo);
- glBufferData(GL_ARRAY_BUFFER, gear->count * 6 * 4,
- gear->vertices, GL_STATIC_DRAW);
-
- return gear;
-}
-
-static void
-multiply(GLfloat *m, const GLfloat *n)
-{
- GLfloat tmp[16];
- const GLfloat *row, *column;
- div_t d;
- int i, j;
-
- for (i = 0; i < 16; i++) {
- tmp[i] = 0;
- d = div(i, 4);
- row = n + d.quot * 4;
- column = m + d.rem;
- for (j = 0; j < 4; j++)
- tmp[i] += row[j] * column[j * 4];
- }
- memcpy(m, &tmp, sizeof tmp);
-}
-
-static void
-rotate(GLfloat *m, GLfloat angle, GLfloat x, GLfloat y, GLfloat z)
-{
- double s, c;
-
- sincos(angle, &s, &c);
- GLfloat r[16] = {
- x * x * (1 - c) + c, y * x * (1 - c) + z * s, x * z * (1 - c) - y * s, 0,
- x * y * (1 - c) - z * s, y * y * (1 - c) + c, y * z * (1 - c) + x * s, 0,
- x * z * (1 - c) + y * s, y * z * (1 - c) - x * s, z * z * (1 - c) + c, 0,
- 0, 0, 0, 1
- };
-
- multiply(m, r);
-}
-
-static void
-translate(GLfloat *m, GLfloat x, GLfloat y, GLfloat z)
-{
- GLfloat t[16] = { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, x, y, z, 1 };
-
- multiply(m, t);
-}
-
-static const GLfloat light[3] = { 1.0, 1.0, -1.0 };
-
-static void
-draw_gear(struct gear *gear, GLfloat *m,
- GLfloat x, GLfloat y, GLfloat angle, const GLfloat *color)
-{
- GLfloat tmp[16];
-
- memcpy(tmp, m, sizeof tmp);
- translate(tmp, x, y, 0);
- rotate(tmp, 2 * M_PI * angle / 360.0, 0, 0, 1);
- glUniformMatrix4fv(proj_location, 1, GL_FALSE, tmp);
- glUniform3fv(light_location, 1, light);
- glUniform4fv(color_location, 1, color);
-
- glBindBuffer(GL_ARRAY_BUFFER, gear->vbo);
-
- glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,
- 6 * sizeof(GLfloat), NULL);
- glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE,
- 6 * sizeof(GLfloat), (GLfloat *) 0 + 3);
- glEnableVertexAttribArray(0);
- glEnableVertexAttribArray(1);
- glDrawArrays(GL_TRIANGLE_STRIP, 0, gear->count);
-}
-
-static void
-gears_draw(void)
-{
- const static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
- const static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
- const static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
- GLfloat m[16];
-
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- memcpy(m, proj, sizeof m);
- rotate(m, 2 * M_PI * view_rotx / 360.0, 1, 0, 0);
- rotate(m, 2 * M_PI * view_roty / 360.0, 0, 1, 0);
- rotate(m, 2 * M_PI * view_rotz / 360.0, 0, 0, 1);
-
- draw_gear(gear1, m, -3.0, -2.0, angle, red);
- draw_gear(gear2, m, 3.1, -2.0, -2 * angle - 9.0, green);
- draw_gear(gear3, m, -3.1, 4.2, -2 * angle - 25.0, blue);
-}
-
-/* new window size or exposure */
-static void
-gears_reshape(int width, int height)
-{
- GLfloat ar, m[16] = {
- 1.0, 0.0, 0.0, 0.0,
- 0.0, 1.0, 0.0, 0.0,
- 0.0, 0.0, 0.1, 0.0,
- 0.0, 0.0, 0.0, 1.0,
- };
-
- if (width < height)
- ar = width;
- else
- ar = height;
-
- m[0] = 0.1 * ar / width;
- m[5] = 0.1 * ar / height;
- memcpy(proj, m, sizeof proj);
- glViewport(0, 0, (GLint) width, (GLint) height);
-}
-
-static void
-gears_special(int special)
-{
- switch (special) {
- case EGLUT_KEY_LEFT:
- view_roty += 5.0;
- break;
- case EGLUT_KEY_RIGHT:
- view_roty -= 5.0;
- break;
- case EGLUT_KEY_UP:
- view_rotx += 5.0;
- break;
- case EGLUT_KEY_DOWN:
- view_rotx -= 5.0;
- break;
- }
-}
-
-static void
-gears_idle(void)
-{
- static double tRot0 = -1.0;
- double dt, t = eglutGet(EGLUT_ELAPSED_TIME) / 1000.0;
-
- if (tRot0 < 0.0)
- tRot0 = t;
- dt = t - tRot0;
- tRot0 = t;
-
- /* advance rotation for next frame */
- angle += 70.0 * dt; /* 70 degrees per second */
- if (angle > 3600.0)
- angle -= 3600.0;
-
- eglutPostRedisplay();
-}
-
-static const char vertex_shader[] =
- "uniform mat4 proj;\n"
- "attribute vec4 position;\n"
- "attribute vec4 normal;\n"
- "varying vec3 rotated_normal;\n"
- "varying vec3 rotated_position;\n"
- "vec4 tmp;\n"
- "void main()\n"
- "{\n"
- " gl_Position = proj * position;\n"
- " rotated_position = gl_Position.xyz;\n"
- " tmp = proj * normal;\n"
- " rotated_normal = tmp.xyz;\n"
- "}\n";
-
- static const char fragment_shader[] =
- //"precision mediump float;\n"
- "uniform vec4 color;\n"
- "uniform vec3 light;\n"
- "varying vec3 rotated_normal;\n"
- "varying vec3 rotated_position;\n"
- "vec3 light_direction;\n"
- "vec4 white = vec4(1.0, 1.0, 1.0, 1.0);\n"
- "void main()\n"
- "{\n"
- " light_direction = normalize(light - rotated_position);\n"
- " gl_FragColor = color + white * dot(light_direction, rotated_normal);\n"
- "}\n";
-
-static void
-gears_init(void)
-{
- GLuint v, f, program;
- const char *p;
- char msg[512];
-
- glEnable(GL_CULL_FACE);
- glEnable(GL_DEPTH_TEST);
-
- p = vertex_shader;
- v = glCreateShader(GL_VERTEX_SHADER);
- glShaderSource(v, 1, &p, NULL);
- glCompileShader(v);
- glGetShaderInfoLog(v, sizeof msg, NULL, msg);
- printf("vertex shader info: %s\n", msg);
-
- p = fragment_shader;
- f = glCreateShader(GL_FRAGMENT_SHADER);
- glShaderSource(f, 1, &p, NULL);
- glCompileShader(f);
- glGetShaderInfoLog(f, sizeof msg, NULL, msg);
- printf("fragment shader info: %s\n", msg);
-
- program = glCreateProgram();
- glAttachShader(program, v);
- glAttachShader(program, f);
- glBindAttribLocation(program, 0, "position");
- glBindAttribLocation(program, 1, "normal");
-
- glLinkProgram(program);
- glGetProgramInfoLog(program, sizeof msg, NULL, msg);
- printf("info: %s\n", msg);
-
- glUseProgram(program);
- proj_location = glGetUniformLocation(program, "proj");
- light_location = glGetUniformLocation(program, "light");
- color_location = glGetUniformLocation(program, "color");
-
- /* make the gears */
- gear1 = gear(1.0, 4.0, 1.0, 20, 0.7);
- gear2 = gear(0.5, 2.0, 2.0, 10, 0.7);
- gear3 = gear(1.3, 2.0, 0.5, 10, 0.7);
-}
-
-int
-main(int argc, char *argv[])
-{
- eglutInitWindowSize(300, 300);
- eglutInitAPIMask(EGLUT_OPENGL_ES2_BIT);
- eglutInit(argc, argv);
-
- eglutCreateWindow("es2gears");
-
- eglutIdleFunc(gears_idle);
- eglutReshapeFunc(gears_reshape);
- eglutDisplayFunc(gears_draw);
- eglutSpecialFunc(gears_special);
-
- gears_init();
-
- eglutMainLoop();
-
- return 0;
-}
diff --git a/progs/egl/opengles2/tri.c b/progs/egl/opengles2/tri.c
deleted file mode 100644
index 812dbf031e..0000000000
--- a/progs/egl/opengles2/tri.c
+++ /dev/null
@@ -1,520 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- **************************************************************************/
-
-/*
- * Draw a triangle with X/EGL and OpenGL ES 2.x
- */
-
-#define USE_FULL_GL 0
-
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#if USE_FULL_GL
-#include <GL/gl.h> /* use full OpenGL */
-#else
-#include <GLES2/gl2.h> /* use OpenGL ES 2.x */
-#endif
-#include <EGL/egl.h>
-
-
-#ifndef M_PI
-#define M_PI 3.14159265
-#endif
-
-#define FLOAT_TO_FIXED(X) ((X) * 65535.0)
-
-
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0;
-
-static GLint u_matrix = -1;
-static GLint attr_pos = 0, attr_color = 1;
-
-
-static void
-make_z_rot_matrix(GLfloat angle, GLfloat *m)
-{
- float c = cos(angle * M_PI / 180.0);
- float s = sin(angle * M_PI / 180.0);
- int i;
- for (i = 0; i < 16; i++)
- m[i] = 0.0;
- m[0] = m[5] = m[10] = m[15] = 1.0;
-
- m[0] = c;
- m[1] = s;
- m[4] = -s;
- m[5] = c;
-}
-
-static void
-make_scale_matrix(GLfloat xs, GLfloat ys, GLfloat zs, GLfloat *m)
-{
- int i;
- for (i = 0; i < 16; i++)
- m[i] = 0.0;
- m[0] = xs;
- m[5] = ys;
- m[10] = zs;
- m[15] = 1.0;
-}
-
-
-static void
-mul_matrix(GLfloat *prod, const GLfloat *a, const GLfloat *b)
-{
-#define A(row,col) a[(col<<2)+row]
-#define B(row,col) b[(col<<2)+row]
-#define P(row,col) p[(col<<2)+row]
- GLfloat p[16];
- GLint i;
- for (i = 0; i < 4; i++) {
- const GLfloat ai0=A(i,0), ai1=A(i,1), ai2=A(i,2), ai3=A(i,3);
- P(i,0) = ai0 * B(0,0) + ai1 * B(1,0) + ai2 * B(2,0) + ai3 * B(3,0);
- P(i,1) = ai0 * B(0,1) + ai1 * B(1,1) + ai2 * B(2,1) + ai3 * B(3,1);
- P(i,2) = ai0 * B(0,2) + ai1 * B(1,2) + ai2 * B(2,2) + ai3 * B(3,2);
- P(i,3) = ai0 * B(0,3) + ai1 * B(1,3) + ai2 * B(2,3) + ai3 * B(3,3);
- }
- memcpy(prod, p, sizeof(p));
-#undef A
-#undef B
-#undef PROD
-}
-
-
-static void
-draw(void)
-{
- static const GLfloat verts[3][2] = {
- { -1, -1 },
- { 1, -1 },
- { 0, 1 }
- };
- static const GLfloat colors[3][3] = {
- { 1, 0, 0 },
- { 0, 1, 0 },
- { 0, 0, 1 }
- };
- GLfloat mat[16], rot[16], scale[16];
-
- /* Set modelview/projection matrix */
- make_z_rot_matrix(view_rotx, rot);
- make_scale_matrix(0.5, 0.5, 0.5, scale);
- mul_matrix(mat, rot, scale);
- glUniformMatrix4fv(u_matrix, 1, GL_FALSE, mat);
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- {
- glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, 0, verts);
- glVertexAttribPointer(attr_color, 3, GL_FLOAT, GL_FALSE, 0, colors);
- glEnableVertexAttribArray(attr_pos);
- glEnableVertexAttribArray(attr_color);
-
- glDrawArrays(GL_TRIANGLES, 0, 3);
-
- glDisableVertexAttribArray(attr_pos);
- glDisableVertexAttribArray(attr_color);
- }
-}
-
-
-/* new window size or exposure */
-static void
-reshape(int width, int height)
-{
- glViewport(0, 0, (GLint) width, (GLint) height);
-}
-
-
-static void
-create_shaders(void)
-{
- static const char *fragShaderText =
- "varying vec4 v_color;\n"
- "void main() {\n"
- " gl_FragColor = v_color;\n"
- "}\n";
- static const char *vertShaderText =
- "uniform mat4 modelviewProjection;\n"
- "attribute vec4 pos;\n"
- "attribute vec4 color;\n"
- "varying vec4 v_color;\n"
- "void main() {\n"
- " gl_Position = modelviewProjection * pos;\n"
- " v_color = color;\n"
- "}\n";
-
- GLuint fragShader, vertShader, program;
- GLint stat;
-
- fragShader = glCreateShader(GL_FRAGMENT_SHADER);
- glShaderSource(fragShader, 1, (const char **) &fragShaderText, NULL);
- glCompileShader(fragShader);
- glGetShaderiv(fragShader, GL_COMPILE_STATUS, &stat);
- if (!stat) {
- printf("Error: fragment shader did not compile!\n");
- exit(1);
- }
-
- vertShader = glCreateShader(GL_VERTEX_SHADER);
- glShaderSource(vertShader, 1, (const char **) &vertShaderText, NULL);
- glCompileShader(vertShader);
- glGetShaderiv(vertShader, GL_COMPILE_STATUS, &stat);
- if (!stat) {
- printf("Error: vertex shader did not compile!\n");
- exit(1);
- }
-
- program = glCreateProgram();
- glAttachShader(program, fragShader);
- glAttachShader(program, vertShader);
- glLinkProgram(program);
-
- glGetProgramiv(program, GL_LINK_STATUS, &stat);
- if (!stat) {
- char log[1000];
- GLsizei len;
- glGetProgramInfoLog(program, 1000, &len, log);
- printf("Error: linking:\n%s\n", log);
- exit(1);
- }
-
- glUseProgram(program);
-
- if (1) {
- /* test setting attrib locations */
- glBindAttribLocation(program, attr_pos, "pos");
- glBindAttribLocation(program, attr_color, "color");
- glLinkProgram(program); /* needed to put attribs into effect */
- }
- else {
- /* test automatic attrib locations */
- attr_pos = glGetAttribLocation(program, "pos");
- attr_color = glGetAttribLocation(program, "color");
- }
-
- u_matrix = glGetUniformLocation(program, "modelviewProjection");
- printf("Uniform modelviewProjection at %d\n", u_matrix);
- printf("Attrib pos at %d\n", attr_pos);
- printf("Attrib color at %d\n", attr_color);
-}
-
-
-static void
-init(void)
-{
- typedef void (*proc)();
-
-#if 1 /* test code */
- proc p = eglGetProcAddress("glMapBufferOES");
- assert(p);
-#endif
-
- glClearColor(0.4, 0.4, 0.4, 0.0);
-
- create_shaders();
-}
-
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
- const char *name,
- int x, int y, int width, int height,
- Window *winRet,
- EGLContext *ctxRet,
- EGLSurface *surfRet)
-{
- static const EGLint attribs[] = {
- EGL_RED_SIZE, 1,
- EGL_GREEN_SIZE, 1,
- EGL_BLUE_SIZE, 1,
- EGL_DEPTH_SIZE, 1,
- EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
- EGL_NONE
- };
- static const EGLint ctx_attribs[] = {
- EGL_CONTEXT_CLIENT_VERSION, 2,
- EGL_NONE
- };
- int scrnum;
- XSetWindowAttributes attr;
- unsigned long mask;
- Window root;
- Window win;
- XVisualInfo *visInfo, visTemplate;
- int num_visuals;
- EGLContext ctx;
- EGLConfig config;
- EGLint num_configs;
- EGLint vid;
-
- scrnum = DefaultScreen( x_dpy );
- root = RootWindow( x_dpy, scrnum );
-
- if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
- printf("Error: couldn't get an EGL visual config\n");
- exit(1);
- }
-
- assert(config);
- assert(num_configs > 0);
-
- if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
- printf("Error: eglGetConfigAttrib() failed\n");
- exit(1);
- }
-
- /* The X window visual must match the EGL config */
- visTemplate.visualid = vid;
- visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
- if (!visInfo) {
- printf("Error: couldn't get X visual\n");
- exit(1);
- }
-
- /* window attributes */
- attr.background_pixel = 0;
- attr.border_pixel = 0;
- attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
- attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
- mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
- win = XCreateWindow( x_dpy, root, 0, 0, width, height,
- 0, visInfo->depth, InputOutput,
- visInfo->visual, mask, &attr );
-
- /* set hints and properties */
- {
- XSizeHints sizehints;
- sizehints.x = x;
- sizehints.y = y;
- sizehints.width = width;
- sizehints.height = height;
- sizehints.flags = USSize | USPosition;
- XSetNormalHints(x_dpy, win, &sizehints);
- XSetStandardProperties(x_dpy, win, name, name,
- None, (char **)NULL, 0, &sizehints);
- }
-
-#if USE_FULL_GL /* XXX fix this when eglBindAPI() works */
- eglBindAPI(EGL_OPENGL_API);
-#else
- eglBindAPI(EGL_OPENGL_ES_API);
-#endif
-
- ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, ctx_attribs );
- if (!ctx) {
- printf("Error: eglCreateContext failed\n");
- exit(1);
- }
-
- /* test eglQueryContext() */
- {
- EGLint val;
- eglQueryContext(egl_dpy, ctx, EGL_CONTEXT_CLIENT_VERSION, &val);
- assert(val == 2);
- }
-
- *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
- if (!*surfRet) {
- printf("Error: eglCreateWindowSurface failed\n");
- exit(1);
- }
-
- /* sanity checks */
- {
- EGLint val;
- eglQuerySurface(egl_dpy, *surfRet, EGL_WIDTH, &val);
- assert(val == width);
- eglQuerySurface(egl_dpy, *surfRet, EGL_HEIGHT, &val);
- assert(val == height);
- assert(eglGetConfigAttrib(egl_dpy, config, EGL_SURFACE_TYPE, &val));
- assert(val & EGL_WINDOW_BIT);
- }
-
- XFree(visInfo);
-
- *winRet = win;
- *ctxRet = ctx;
-}
-
-
-static void
-event_loop(Display *dpy, Window win,
- EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
- while (1) {
- int redraw = 0;
- XEvent event;
-
- XNextEvent(dpy, &event);
-
- switch (event.type) {
- case Expose:
- redraw = 1;
- break;
- case ConfigureNotify:
- reshape(event.xconfigure.width, event.xconfigure.height);
- break;
- case KeyPress:
- {
- char buffer[10];
- int r, code;
- code = XLookupKeysym(&event.xkey, 0);
- if (code == XK_Left) {
- view_roty += 5.0;
- }
- else if (code == XK_Right) {
- view_roty -= 5.0;
- }
- else if (code == XK_Up) {
- view_rotx += 5.0;
- }
- else if (code == XK_Down) {
- view_rotx -= 5.0;
- }
- else {
- r = XLookupString(&event.xkey, buffer, sizeof(buffer),
- NULL, NULL);
- if (buffer[0] == 27) {
- /* escape */
- return;
- }
- }
- }
- redraw = 1;
- break;
- default:
- ; /*no-op*/
- }
-
- if (redraw) {
- draw();
- eglSwapBuffers(egl_dpy, egl_surf);
- }
- }
-}
-
-
-static void
-usage(void)
-{
- printf("Usage:\n");
- printf(" -display <displayname> set the display to run on\n");
- printf(" -info display OpenGL renderer info\n");
-}
-
-
-int
-main(int argc, char *argv[])
-{
- const int winWidth = 300, winHeight = 300;
- Display *x_dpy;
- Window win;
- EGLSurface egl_surf;
- EGLContext egl_ctx;
- EGLDisplay egl_dpy;
- char *dpyName = NULL;
- GLboolean printInfo = GL_FALSE;
- EGLint egl_major, egl_minor;
- int i;
- const char *s;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-display") == 0) {
- dpyName = argv[i+1];
- i++;
- }
- else if (strcmp(argv[i], "-info") == 0) {
- printInfo = GL_TRUE;
- }
- else {
- usage();
- return -1;
- }
- }
-
- x_dpy = XOpenDisplay(dpyName);
- if (!x_dpy) {
- printf("Error: couldn't open display %s\n",
- dpyName ? dpyName : getenv("DISPLAY"));
- return -1;
- }
-
- egl_dpy = eglGetDisplay(x_dpy);
- if (!egl_dpy) {
- printf("Error: eglGetDisplay() failed\n");
- return -1;
- }
-
- if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
- printf("Error: eglInitialize() failed\n");
- return -1;
- }
-
- s = eglQueryString(egl_dpy, EGL_VERSION);
- printf("EGL_VERSION = %s\n", s);
-
- s = eglQueryString(egl_dpy, EGL_VENDOR);
- printf("EGL_VENDOR = %s\n", s);
-
- s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
- printf("EGL_EXTENSIONS = %s\n", s);
-
- s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
- printf("EGL_CLIENT_APIS = %s\n", s);
-
- make_x_window(x_dpy, egl_dpy,
- "OpenGL ES 2.x tri", 0, 0, winWidth, winHeight,
- &win, &egl_ctx, &egl_surf);
-
- XMapWindow(x_dpy, win);
- if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
- printf("Error: eglMakeCurrent() failed\n");
- return -1;
- }
-
- if (printInfo) {
- printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
- printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
- printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
- printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
- }
-
- init();
-
- /* Set initial projection/viewing transformation.
- * We can't be sure we'll get a ConfigureNotify event when the window
- * first appears.
- */
- reshape(winWidth, winHeight);
-
- event_loop(x_dpy, win, egl_dpy, egl_surf);
-
- eglDestroyContext(egl_dpy, egl_ctx);
- eglDestroySurface(egl_dpy, egl_surf);
- eglTerminate(egl_dpy);
-
-
- XDestroyWindow(x_dpy, win);
- XCloseDisplay(x_dpy);
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-10 23:09:34 +0000