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Furkan Mudanyali 2020-10-29 22:42:39 +03:00
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build
.DS_Store

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cmake_minimum_required(VERSION 2.8)
if(NOT DEFINED CMAKE_TOOLCHAIN_FILE)
if(DEFINED ENV{DOLCESDK})
set(CMAKE_TOOLCHAIN_FILE "$ENV{DOLCESDK}/share/dolce.toolchain.cmake" CACHE PATH "toolchain file")
else()
message(FATAL_ERROR "Please define DOLCESDK to point to your SDK path!")
endif()
endif()
project(ES2GEARS)
set(DOLCE_APP_NAME "ES2GEARS")
set(DOLCE_TITLEID "ES2GEARS0")
set(DOLCE_VERSION "01.00")
include("$ENV{DOLCESDK}/share/dolce.cmake" REQUIRED)
set(DOLCE_ELF_CREATE_FLAGS "${DOLCE_ELF_CREATE_FLAGS} -h 4194304")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11 -o3")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -o3")
link_directories(
${CMAKE_CURRENT_BINARY_DIR}
)
add_executable(${PROJECT_NAME}
es2gears.c
)
target_link_libraries(${PROJECT_NAME}
freeglut-gles
m
pib
SceThreadmgr_stub
SceRtcUser_stub
SceCtrl_stub
SceGxm_stub
SceSysmem_stub
SceThreadmgr_stub
SceHid_stub
SceDisplay_stub
SceDisplayUser_stub
SceCommonDialog_stub
SceSysmodule_stub
SceTouch_stub
ScePower_stub
)
dolce_create_self(${PROJECT_NAME}.self ${PROJECT_NAME} UNSAFE)
dolce_create_vpk(${PROJECT_NAME}.vpk ${DOLCE_TITLEID} ${PROJECT_NAME}.self
VERSION ${DOLCE_VERSION}
NAME ${DOLCE_APP_NAME}
FILE sce_sys/icon0.png sce_sys/icon0.png
FILE sce_sys/livearea/contents/bg.png sce_sys/livearea/contents/bg.png
FILE sce_sys/livearea/contents/startup.png sce_sys/livearea/contents/startup.png
FILE sce_sys/livearea/contents/template.xml sce_sys/livearea/contents/template.xml
)

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LICENSE Normal file
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above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

13
README.md Normal file
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# es2gears for PS Vita using freeglut-vita
Original code can be found here: https://github.com/ehsan/gl-samples/blob/master/01-es2sdlgears/es2gears.c
## Credits
- FMudanyali
- dots-tb
- BigBlackOniiSan
- Team CBPS
## Original Authors
- Brian Paul
- Kristian Høgsberg
- Alexandros Frantzis

719
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/*
* 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
*
* Improve GLES2 port:
* * Refactor gear drawing.
* * Use correct normals for surfaces.
* * Improve shader.
* * Use perspective projection transformation.
* * Add FPS count.
* * Add comments.
* Alexandros Frantzis <alexandros.frantzis@linaro.org>
* Jul 13, 2010
*/
#define GL_GLEXT_PROTOTYPES
#define EGL_EGLEXT_PROTOTYPES
#define _GNU_SOURCE
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#ifdef __APPLE__
#include <OpenGL/gl.h>
#include <Glut/glut.h>
#else
#include <GLES2/gl2.h>
#include <EGL/egl.h>
#include <GL/freeglut.h>
#endif
#define STRIPS_PER_TOOTH 7
#define VERTICES_PER_TOOTH 34
#define GEAR_VERTEX_STRIDE 6
#ifndef HAVE_BUILTIN_SINCOS
#define sincos _sincos
static void
sincos (double a, double *s, double *c)
{
*s = sin (a);
*c = cos (a);
}
#endif
/**
* 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);
glutSwapBuffers();
}
/**
* 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 glut events.
*
* @param special the event to handle.
*/
static void
gears_special(int special, int crap, int morecrap)
{
switch (special) {
case GLUT_KEY_LEFT:
view_rot[1] += 5.0;
break;
case GLUT_KEY_RIGHT:
view_rot[1] -= 5.0;
break;
case GLUT_KEY_UP:
view_rot[0] += 5.0;
break;
case GLUT_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;
double dt, t = glutGet(GLUT_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;
glutPostRedisplay();
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[] =
"void main(\n"
"float3 position,\n"
"float3 normal,\n"
"uniform float4x4 ModelViewProjectionMatrix,\n"
"uniform float4x4 NormalMatrix,\n"
"float4 out gl_Position : POSITION,\n"
"uniform float4 LightSourcePosition,\n"
"uniform float4 MaterialColor,\n"
"float4 out Color : COLOR)\n"
"{\n"
" float3 N = normalize(mul( float4(normal, 1.0), NormalMatrix).xyz);\n"
" float3 L = normalize(LightSourcePosition.xyz);\n"
" float diffuse = max(dot(N, L), 0.0);\n"
" Color = diffuse * MaterialColor;\n"
" gl_Position = mul(float4(position, 1.0), ModelViewProjectionMatrix);\n"
"}";
static const char fragment_shader[] =
"float4 main(\n"
"float4 Color : COLOR)\n"
"{\n"
" return 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[])
{
/* Initialize the window */
glutInit(&argc, argv);
glutInitWindowSize(960, 544);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitContextVersion(2, 0);
glutCreateWindow("es2gears");
/* Set up glut callback functions */
glutIdleFunc (gears_idle);
glutReshapeFunc(gears_reshape);
glutDisplayFunc(gears_draw);
glutSpecialFunc(gears_special);
/* Initialize the gears */
gears_init();
glutMainLoop();
return 0;
}

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sce_sys/icon0.png Normal file
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sce_sys/livearea/contents/template.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<livearea style="a1" format-ver="01.00" content-rev="1">
<livearea-background>
<image>bg.png</image>
</livearea-background>
<gate>
<startup-image>startup.png</startup-image>
</gate>
</livearea>