From b048c2458b53eb012d15e21dde9e8ec0b1406d0b Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Sat, 17 Mar 2012 21:18:18 +0100 Subject: move src/test/native -> src/test-native - allowing better exclusion for archive scripts --- src/test/native/mesa-demos-patched/es2gears.c | 751 -------------------------- 1 file changed, 751 deletions(-) delete mode 100644 src/test/native/mesa-demos-patched/es2gears.c (limited to 'src/test/native/mesa-demos-patched/es2gears.c') diff --git a/src/test/native/mesa-demos-patched/es2gears.c b/src/test/native/mesa-demos-patched/es2gears.c deleted file mode 100644 index 10d3be04f..000000000 --- a/src/test/native/mesa-demos-patched/es2gears.c +++ /dev/null @@ -1,751 +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 - * May 3, 2010 - * - * Improve GLES2 port: - * * Refactor gear drawing. - * * Use correct normals for surfaces. - * * Improve shader. - * * Use perspective projection transformation. - * * Add FPS count. - * * Add comments. - * Alexandros Frantzis - * Jul 13, 2010 - */ - -#define GL_GLEXT_PROTOTYPES -#define EGL_EGLEXT_PROTOTYPES - -#define _GNU_SOURCE - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "eglut.h" - -static int demo_start_duration = 5000; // ms - -#define STRIPS_PER_TOOTH 7 -#define VERTICES_PER_TOOTH 34 -#define GEAR_VERTEX_STRIDE 6 - -/** - * Struct describing the vertices in triangle strip - */ -struct vertex_strip { - /** The first vertex in the strip */ - GLint first; - /** The number of consecutive vertices in the strip after the first */ - GLint count; -}; - -/* Each vertex consist of GEAR_VERTEX_STRIDE GLfloat attributes */ -typedef GLfloat GearVertex[GEAR_VERTEX_STRIDE]; - -/** - * Struct representing a gear. - */ -struct gear { - /** The array of vertices comprising the gear */ - GearVertex *vertices; - /** The number of vertices comprising the gear */ - int nvertices; - /** The array of triangle strips comprising the gear */ - struct vertex_strip *strips; - /** The number of triangle strips comprising the gear */ - int nstrips; - /** The Vertex Buffer Object holding the vertices in the graphics card */ - GLuint vbo; -}; - -/** The view rotation [x, y, z] */ -static GLfloat view_rot[3] = { 20.0, 30.0, 0.0 }; -/** The gears */ -static struct gear *gear1, *gear2, *gear3; -/** The current gear rotation angle */ -static GLfloat angle = 0.0; -/** The location of the shader uniforms */ -static GLuint ModelViewProjectionMatrix_location, - NormalMatrix_location, - LightSourcePosition_location, - MaterialColor_location; -/** The projection matrix */ -static GLfloat ProjectionMatrix[16]; -/** The direction of the directional light for the scene */ -static const GLfloat LightSourcePosition[4] = { 5.0, 5.0, 10.0, 1.0}; - -/** - * Fills a gear vertex. - * - * @param v the vertex to fill - * @param x the x coordinate - * @param y the y coordinate - * @param z the z coortinate - * @param n pointer to the normal table - * - * @return the operation error code - */ -static GearVertex * -vert(GearVertex *v, GLfloat x, GLfloat y, GLfloat z, GLfloat n[3]) -{ - v[0][0] = x; - v[0][1] = y; - v[0][2] = z; - v[0][3] = n[0]; - v[0][4] = n[1]; - v[0][5] = n[2]; - - return v + 1; -} - -/** - * Create a gear wheel. - * - * @param inner_radius radius of hole at center - * @param outer_radius radius at center of teeth - * @param width width of gear - * @param teeth number of teeth - * @param tooth_depth depth of tooth - * - * @return pointer to the constructed struct gear - */ -static struct gear * -create_gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width, - GLint teeth, GLfloat tooth_depth) -{ - GLfloat r0, r1, r2; - GLfloat da; - GearVertex *v; - struct gear *gear; - double s[5], c[5]; - GLfloat normal[3]; - int cur_strip = 0; - int i; - - /* Allocate memory for the gear */ - gear = malloc(sizeof *gear); - if (gear == NULL) - return NULL; - - /* Calculate the radii used in the gear */ - 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; - - /* Allocate memory for the triangle strip information */ - gear->nstrips = STRIPS_PER_TOOTH * teeth; - gear->strips = calloc(gear->nstrips, sizeof (*gear->strips)); - - /* Allocate memory for the vertices */ - gear->vertices = calloc(VERTICES_PER_TOOTH * teeth, sizeof(*gear->vertices)); - v = gear->vertices; - - for (i = 0; i < teeth; i++) { - /* Calculate needed sin/cos for varius angles */ - sincos(i * 2.0 * M_PI / teeth, &s[0], &c[0]); - 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]); - - /* A set of macros for making the creation of the gears easier */ -#define GEAR_POINT(r, da) { (r) * c[(da)], (r) * s[(da)] } -#define SET_NORMAL(x, y, z) do { \ - normal[0] = (x); normal[1] = (y); normal[2] = (z); \ -} while(0) - -#define GEAR_VERT(v, point, sign) vert((v), p[(point)].x, p[(point)].y, (sign) * width * 0.5, normal) - -#define START_STRIP do { \ - gear->strips[cur_strip].first = v - gear->vertices; \ -} while(0); - -#define END_STRIP do { \ - int _tmp = (v - gear->vertices); \ - gear->strips[cur_strip].count = _tmp - gear->strips[cur_strip].first; \ - cur_strip++; \ -} while (0) - -#define QUAD_WITH_NORMAL(p1, p2) do { \ - SET_NORMAL((p[(p1)].y - p[(p2)].y), -(p[(p1)].x - p[(p2)].x), 0); \ - v = GEAR_VERT(v, (p1), -1); \ - v = GEAR_VERT(v, (p1), 1); \ - v = GEAR_VERT(v, (p2), -1); \ - v = GEAR_VERT(v, (p2), 1); \ -} while(0) - - struct point { - GLfloat x; - GLfloat y; - }; - - /* Create the 7 points (only x,y coords) used to draw a tooth */ - struct point p[7] = { - GEAR_POINT(r2, 1), // 0 - GEAR_POINT(r2, 2), // 1 - GEAR_POINT(r1, 0), // 2 - GEAR_POINT(r1, 3), // 3 - GEAR_POINT(r0, 0), // 4 - GEAR_POINT(r1, 4), // 5 - GEAR_POINT(r0, 4), // 6 - }; - - /* Front face */ - START_STRIP; - SET_NORMAL(0, 0, 1.0); - v = GEAR_VERT(v, 0, +1); - v = GEAR_VERT(v, 1, +1); - v = GEAR_VERT(v, 2, +1); - v = GEAR_VERT(v, 3, +1); - v = GEAR_VERT(v, 4, +1); - v = GEAR_VERT(v, 5, +1); - v = GEAR_VERT(v, 6, +1); - END_STRIP; - - /* Inner face */ - START_STRIP; - QUAD_WITH_NORMAL(4, 6); - END_STRIP; - - /* Back face */ - START_STRIP; - SET_NORMAL(0, 0, -1.0); - v = GEAR_VERT(v, 6, -1); - v = GEAR_VERT(v, 5, -1); - v = GEAR_VERT(v, 4, -1); - v = GEAR_VERT(v, 3, -1); - v = GEAR_VERT(v, 2, -1); - v = GEAR_VERT(v, 1, -1); - v = GEAR_VERT(v, 0, -1); - END_STRIP; - - /* Outer face */ - START_STRIP; - QUAD_WITH_NORMAL(0, 2); - END_STRIP; - - START_STRIP; - QUAD_WITH_NORMAL(1, 0); - END_STRIP; - - START_STRIP; - QUAD_WITH_NORMAL(3, 1); - END_STRIP; - - START_STRIP; - QUAD_WITH_NORMAL(5, 3); - END_STRIP; - } - - gear->nvertices = (v - gear->vertices); - - /* Store the vertices in a vertex buffer object (VBO) */ - glGenBuffers(1, &gear->vbo); - glBindBuffer(GL_ARRAY_BUFFER, gear->vbo); - glBufferData(GL_ARRAY_BUFFER, gear->nvertices * sizeof(GearVertex), - gear->vertices, GL_STATIC_DRAW); - - return gear; -} - -/** - * Multiplies two 4x4 matrices. - * - * The result is stored in matrix m. - * - * @param m the first matrix to multiply - * @param n the second matrix to multiply - */ -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); -} - -/** - * Rotates a 4x4 matrix. - * - * @param[in,out] m the matrix to rotate - * @param angle the angle to rotate - * @param x the x component of the direction to rotate to - * @param y the y component of the direction to rotate to - * @param z the z component of the direction to rotate to - */ -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); -} - - -/** - * Translates a 4x4 matrix. - * - * @param[in,out] m the matrix to translate - * @param x the x component of the direction to translate to - * @param y the y component of the direction to translate to - * @param z the z component of the direction to translate to - */ -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); -} - -/** - * Creates an identity 4x4 matrix. - * - * @param m the matrix make an identity matrix - */ -static void -identity(GLfloat *m) -{ - GLfloat t[16] = { - 1.0, 0.0, 0.0, 0.0, - 0.0, 1.0, 0.0, 0.0, - 0.0, 0.0, 1.0, 0.0, - 0.0, 0.0, 0.0, 1.0, - }; - - memcpy(m, t, sizeof(t)); -} - -/** - * Transposes a 4x4 matrix. - * - * @param m the matrix to transpose - */ -static void -transpose(GLfloat *m) -{ - GLfloat t[16] = { - m[0], m[4], m[8], m[12], - m[1], m[5], m[9], m[13], - m[2], m[6], m[10], m[14], - m[3], m[7], m[11], m[15]}; - - memcpy(m, t, sizeof(t)); -} - -/** - * Inverts a 4x4 matrix. - * - * This function can currently handle only pure translation-rotation matrices. - * Read http://www.gamedev.net/community/forums/topic.asp?topic_id=425118 - * for an explanation. - */ -static void -invert(GLfloat *m) -{ - GLfloat t[16]; - identity(t); - - // Extract and invert the translation part 't'. The inverse of a - // translation matrix can be calculated by negating the translation - // coordinates. - t[12] = -m[12]; t[13] = -m[13]; t[14] = -m[14]; - - // Invert the rotation part 'r'. The inverse of a rotation matrix is - // equal to its transpose. - m[12] = m[13] = m[14] = 0; - transpose(m); - - // inv(m) = inv(r) * inv(t) - multiply(m, t); -} - -/** - * Calculate a perspective projection transformation. - * - * @param m the matrix to save the transformation in - * @param fovy the field of view in the y direction - * @param aspect the view aspect ratio - * @param zNear the near clipping plane - * @param zFar the far clipping plane - */ -void perspective(GLfloat *m, GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar) -{ - GLfloat tmp[16]; - identity(tmp); - - double sine, cosine, cotangent, deltaZ; - GLfloat radians = fovy / 2 * M_PI / 180; - - deltaZ = zFar - zNear; - sincos(radians, &sine, &cosine); - - if ((deltaZ == 0) || (sine == 0) || (aspect == 0)) - return; - - cotangent = cosine / sine; - - tmp[0] = cotangent / aspect; - tmp[5] = cotangent; - tmp[10] = -(zFar + zNear) / deltaZ; - tmp[11] = -1; - tmp[14] = -2 * zNear * zFar / deltaZ; - tmp[15] = 0; - - memcpy(m, tmp, sizeof(tmp)); -} - -/** - * Draws a gear. - * - * @param gear the gear to draw - * @param transform the current transformation matrix - * @param x the x position to draw the gear at - * @param y the y position to draw the gear at - * @param angle the rotation angle of the gear - * @param color the color of the gear - */ -static void -draw_gear(struct gear *gear, GLfloat *transform, - GLfloat x, GLfloat y, GLfloat angle, const GLfloat color[4]) -{ - GLfloat model_view[16]; - GLfloat normal_matrix[16]; - GLfloat model_view_projection[16]; - - /* Translate and rotate the gear */ - memcpy(model_view, transform, sizeof (model_view)); - translate(model_view, x, y, 0); - rotate(model_view, 2 * M_PI * angle / 360.0, 0, 0, 1); - - /* Create and set the ModelViewProjectionMatrix */ - memcpy(model_view_projection, ProjectionMatrix, sizeof(model_view_projection)); - multiply(model_view_projection, model_view); - - glUniformMatrix4fv(ModelViewProjectionMatrix_location, 1, GL_FALSE, - model_view_projection); - - /* - * Create and set the NormalMatrix. It's the inverse transpose of the - * ModelView matrix. - */ - memcpy(normal_matrix, model_view, sizeof (normal_matrix)); - invert(normal_matrix); - transpose(normal_matrix); - glUniformMatrix4fv(NormalMatrix_location, 1, GL_FALSE, normal_matrix); - - /* Set the gear color */ - glUniform4fv(MaterialColor_location, 1, color); - - /* Set the vertex buffer object to use */ - glBindBuffer(GL_ARRAY_BUFFER, gear->vbo); - - /* Set up the position of the attributes in the vertex buffer object */ - glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, - 6 * sizeof(GLfloat), NULL); - glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, - 6 * sizeof(GLfloat), (GLfloat *) 0 + 3); - - /* Enable the attributes */ - glEnableVertexAttribArray(0); - glEnableVertexAttribArray(1); - - /* Draw the triangle strips that comprise the gear */ - int n; - for (n = 0; n < gear->nstrips; n++) - glDrawArrays(GL_TRIANGLE_STRIP, gear->strips[n].first, gear->strips[n].count); - - /* Disable the attributes */ - glDisableVertexAttribArray(1); - glDisableVertexAttribArray(0); -} - -/** - * Draws the gears. - */ -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 transform[16]; - identity(transform); - - glClearColor(0.0, 0.0, 0.0, 0.0); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - /* Translate and rotate the view */ - translate(transform, 0, 0, -20); - rotate(transform, 2 * M_PI * view_rot[0] / 360.0, 1, 0, 0); - rotate(transform, 2 * M_PI * view_rot[1] / 360.0, 0, 1, 0); - rotate(transform, 2 * M_PI * view_rot[2] / 360.0, 0, 0, 1); - - /* Draw the gears */ - draw_gear(gear1, transform, -3.0, -2.0, angle, red); - draw_gear(gear2, transform, 3.1, -2.0, -2 * angle - 9.0, green); - draw_gear(gear3, transform, -3.1, 4.2, -2 * angle - 25.0, blue); -} - -/** - * Handles a new window size or exposure. - * - * @param width the window width - * @param height the window height - */ -static void -gears_reshape(int width, int height) -{ - /* Update the projection matrix */ - perspective(ProjectionMatrix, 60.0, width / (float)height, 1.0, 1024.0); - - /* Set the viewport */ - glViewport(0, 0, (GLint) width, (GLint) height); -} - -/** - * Handles special eglut events. - * - * @param special the event to handle. - */ -static void -gears_special(int special) -{ - switch (special) { - case EGLUT_KEY_LEFT: - view_rot[1] += 5.0; - break; - case EGLUT_KEY_RIGHT: - view_rot[1] -= 5.0; - break; - case EGLUT_KEY_UP: - view_rot[0] += 5.0; - break; - case EGLUT_KEY_DOWN: - view_rot[0] -= 5.0; - break; - } -} - -static void -gears_idle(void) -{ - static int frames = 0; - static double tRot0 = -1.0, tRate0 = -1.0; - int tms = eglutGet(EGLUT_ELAPSED_TIME); - double dt, t = tms / 1000.0; - - - if(tms>demo_start_duration) { - eglutStopMainLoop(); - return; - } - - 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(); - frames++; - - if (tRate0 < 0.0) - tRate0 = t; - if (t - tRate0 >= 5.0) { - GLfloat seconds = t - tRate0; - GLfloat fps = frames / seconds; - printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, - fps); - tRate0 = t; - frames = 0; - } -} - -static const char vertex_shader[] = -"attribute vec3 position;\n" -"attribute vec3 normal;\n" -"\n" -"uniform mat4 ModelViewProjectionMatrix;\n" -"uniform mat4 NormalMatrix;\n" -"uniform vec4 LightSourcePosition;\n" -"uniform vec4 MaterialColor;\n" -"\n" -"varying vec4 Color;\n" -"\n" -"void main(void)\n" -"{\n" -" // Transform the normal to eye coordinates\n" -" vec3 N = normalize(vec3(NormalMatrix * vec4(normal, 1.0)));\n" -"\n" -" // The LightSourcePosition is actually its direction for directional light\n" -" vec3 L = normalize(LightSourcePosition.xyz);\n" -"\n" -" // Multiply the diffuse value by the vertex color (which is fixed in this case)\n" -" // to get the actual color that we will use to draw this vertex with\n" -" float diffuse = max(dot(N, L), 0.0);\n" -" Color = diffuse * MaterialColor;\n" -"\n" -" // Transform the position to clip coordinates\n" -" gl_Position = ModelViewProjectionMatrix * vec4(position, 1.0);\n" -"}"; - -static const char fragment_shader[] = -"precision mediump float;\n" -"varying vec4 Color;\n" -"\n" -"void main(void)\n" -"{\n" -" gl_FragColor = Color;\n" -"}"; - -static void -gears_init(void) -{ - GLuint v, f, program; - const char *p; - char msg[512]; - - glEnable(GL_CULL_FACE); - glEnable(GL_DEPTH_TEST); - - /* Compile the vertex shader */ - 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); - - /* Compile the fragment shader */ - 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); - - /* Create and link the shader program */ - 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); - - /* Enable the shaders */ - glUseProgram(program); - - /* Get the locations of the uniforms so we can access them */ - ModelViewProjectionMatrix_location = glGetUniformLocation(program, "ModelViewProjectionMatrix"); - NormalMatrix_location = glGetUniformLocation(program, "NormalMatrix"); - LightSourcePosition_location = glGetUniformLocation(program, "LightSourcePosition"); - MaterialColor_location = glGetUniformLocation(program, "MaterialColor"); - - /* Set the LightSourcePosition uniform which is constant throught the program */ - glUniform4fv(LightSourcePosition_location, 1, LightSourcePosition); - - /* make the gears */ - gear1 = create_gear(1.0, 4.0, 1.0, 20, 0.7); - gear2 = create_gear(0.5, 2.0, 2.0, 10, 0.7); - gear3 = create_gear(1.3, 2.0, 0.5, 10, 0.7); -} - -int -main(int argc, char *argv[]) -{ - int demo_loops = 1; - int i; - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-time") == 0) { - demo_start_duration = atoi(argv[++i]); - } else if (strcmp(argv[i], "-loops") == 0) { - demo_loops = atoi(argv[++i]); - } - } - fprintf(stderr, "duration: %d\n", demo_start_duration); - fprintf(stderr, "loops: %d\n", demo_loops); - - for(i=0; i