Start work on a simple dds viewer.
castano
14 years ago
parent
a32d780347
commit
27f84c5caa
@ -0,0 +1,206 @@
|
||||
// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
|
||||
//
|
||||
// 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 THE AUTHORS OR COPYRIGHT
|
||||
// HOLDERS 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.
|
||||
|
||||
#include <nvcore/StrLib.h>
|
||||
#include <nvcore/StdStream.h>
|
||||
|
||||
#include <nvimage/Image.h>
|
||||
#include <nvimage/DirectDrawSurface.h>
|
||||
|
||||
#include <GL/glew.h>
|
||||
#include <GL/glut.h>
|
||||
|
||||
#include "cmdline.h"
|
||||
|
||||
GLuint tex0, tex1;
|
||||
|
||||
float scale = 1.0f;
|
||||
float tx = 0, ty = 0;
|
||||
|
||||
|
||||
void initOpengl()
|
||||
{
|
||||
glewInit();
|
||||
|
||||
if (!glewIsSupported(
|
||||
"GL_VERSION_2_0 "
|
||||
"GL_ARB_vertex_program "
|
||||
"GL_ARB_fragment_program "
|
||||
))
|
||||
{
|
||||
printf("Unable to load required extension\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
glutReportErrors();
|
||||
}
|
||||
|
||||
GLuint createTexture(GLenum target, GLint internalformat, GLenum format, GLenum type, int w, int h)
|
||||
{
|
||||
GLuint tex;
|
||||
glGenTextures(1, &tex);
|
||||
glBindTexture(target, tex);
|
||||
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
glTexImage2D(target, 0, internalformat, w, h, 0, format, type, 0);
|
||||
return tex;
|
||||
}
|
||||
|
||||
void drawQuad()
|
||||
{
|
||||
glBegin(GL_QUADS);
|
||||
glTexCoord2f(0.0, 0.0); glVertex2f(-1.0, -1.0);
|
||||
glTexCoord2f(1.0, 0.0); glVertex2f(1.0, -1.0);
|
||||
glTexCoord2f(1.0, 1.0); glVertex2f(1.0, 1.0);
|
||||
glTexCoord2f(0.0, 1.0); glVertex2f(-1.0, 1.0);
|
||||
glEnd();
|
||||
}
|
||||
|
||||
|
||||
void glutKeyboardCallback(unsigned char key, int x, int y)
|
||||
{
|
||||
switch(key) {
|
||||
case 27:
|
||||
case 'q':
|
||||
exit(0);
|
||||
break;
|
||||
|
||||
case '=':
|
||||
case '+':
|
||||
scale *= 1.5;
|
||||
break;
|
||||
|
||||
case '-':
|
||||
case '_':
|
||||
scale /= 1.5;
|
||||
break;
|
||||
|
||||
case 'r':
|
||||
scale = 1.0;
|
||||
tx = ty = 0.0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void glutKeyboardUpCallback(unsigned char key, int x, int y)
|
||||
{
|
||||
}
|
||||
|
||||
void special(int key, int x, int y)
|
||||
{
|
||||
switch(key) {
|
||||
case GLUT_KEY_RIGHT:
|
||||
tx -= 0.1;
|
||||
break;
|
||||
case GLUT_KEY_LEFT:
|
||||
tx += 0.1;
|
||||
break;
|
||||
case GLUT_KEY_DOWN:
|
||||
ty += 0.1;
|
||||
break;
|
||||
case GLUT_KEY_UP:
|
||||
ty -= 0.1;
|
||||
break;
|
||||
}
|
||||
glutPostRedisplay();
|
||||
}
|
||||
|
||||
|
||||
void glutDisplayCallback(void)
|
||||
{
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
|
||||
drawQuad();
|
||||
|
||||
glutSwapBuffers();
|
||||
}
|
||||
|
||||
void glutIdleCallback(void)
|
||||
{
|
||||
//glutPostRedisplay();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
MyAssertHandler assertHandler;
|
||||
MyMessageHandler messageHandler;
|
||||
|
||||
if (argc != 2 && argc != 3)
|
||||
{
|
||||
printf("NVIDIA Texture Tools - Copyright NVIDIA Corporation 2007\n\n");
|
||||
printf("usage: nvddsview file0 [file1]\n\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
// Load surface.
|
||||
nv::DirectDrawSurface dds(argv[1]);
|
||||
if (!dds.isValid())
|
||||
{
|
||||
printf("The file '%s' is not a valid DDS file.\n", argv[1]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
uint w = dds.width();
|
||||
uint h = dds.height();
|
||||
|
||||
// @@ Clamp window size is texture larger than desktop?
|
||||
|
||||
|
||||
glutInit(&argc, argv);
|
||||
|
||||
glutInitDisplayMode( GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH );
|
||||
glutInitWindowSize( w, h );
|
||||
glutCreateWindow( "DDS View" );
|
||||
glutKeyboardFunc( glutKeyboardCallback );
|
||||
glutKeyboardUpFunc( glutKeyboardUpCallback );
|
||||
glutDisplayFunc( glutDisplayCallback );
|
||||
glutIdleFunc( glutIdleCallback );
|
||||
|
||||
initOpengl();
|
||||
|
||||
/*
|
||||
glGenTextures(1, &tex0);
|
||||
glBindTexture(GL_TEXTURE_2D, tex0);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, img_w, img_h, 0, image.getFormat(), image.getType(), image.getLevel(0));
|
||||
*/
|
||||
//tex0 = createTexture(GL_TEXTURE_2D, GL_RGBA, GL_RGBA, type, w, h,);
|
||||
|
||||
// @@ Add IMGUI, fade in and out depending on mouse movement.
|
||||
|
||||
|
||||
glutMainLoop();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue