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authorYounes Manton <[email protected]>2010-04-30 20:42:30 -0400
committerYounes Manton <[email protected]>2010-04-30 20:42:30 -0400
commita8ea1dacc63ac567498049e5756c247b9fec6cd9 (patch)
tree4031e2e2b6166bd926b43fa4bbb3aab773a30ee5 /progs/egl/opengles1/drawtex.c
parent404fb63b4649f58fce443615e49337d42b8ddece (diff)
parent35d960cc744c374ccaad48c3d80559b59c74e28a (diff)
Merge branch 'master' of ssh://git.freedesktop.org/git/mesa/mesa into pipe-video
Conflicts: src/gallium/auxiliary/Makefile src/gallium/auxiliary/SConscript src/gallium/auxiliary/util/u_format.csv src/gallium/auxiliary/vl/vl_compositor.c src/gallium/auxiliary/vl/vl_compositor.h src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h src/gallium/drivers/identity/id_objects.c src/gallium/drivers/identity/id_objects.h src/gallium/drivers/identity/id_screen.c src/gallium/drivers/nv40/Makefile src/gallium/drivers/nv40/nv40_screen.c src/gallium/drivers/softpipe/sp_texture.c src/gallium/drivers/softpipe/sp_texture.h src/gallium/drivers/softpipe/sp_video_context.c src/gallium/drivers/softpipe/sp_video_context.h src/gallium/include/pipe/p_format.h src/gallium/include/pipe/p_screen.h src/gallium/include/pipe/p_video_context.h src/gallium/include/pipe/p_video_state.h src/gallium/include/state_tracker/dri1_api.h src/gallium/include/state_tracker/drm_api.h src/gallium/state_trackers/dri/common/dri_context.c src/gallium/state_trackers/xorg/xvmc/attributes.c src/gallium/state_trackers/xorg/xvmc/block.c src/gallium/state_trackers/xorg/xvmc/context.c src/gallium/state_trackers/xorg/xvmc/subpicture.c src/gallium/state_trackers/xorg/xvmc/surface.c src/gallium/state_trackers/xorg/xvmc/tests/.gitignore src/gallium/state_trackers/xorg/xvmc/tests/Makefile src/gallium/state_trackers/xorg/xvmc/xvmc_private.h src/gallium/winsys/drm/radeon/core/radeon_drm.c src/gallium/winsys/g3dvl/vl_winsys.h src/gallium/winsys/g3dvl/xlib/xsp_winsys.c src/gallium/winsys/sw/Makefile
Diffstat (limited to 'progs/egl/opengles1/drawtex.c')
-rw-r--r--progs/egl/opengles1/drawtex.c217
1 files changed, 217 insertions, 0 deletions
diff --git a/progs/egl/opengles1/drawtex.c b/progs/egl/opengles1/drawtex.c
new file mode 100644
index 00000000000..e9ac0153408
--- /dev/null
+++ b/progs/egl/opengles1/drawtex.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2008 Tunsgten Graphics,Inc. All Rights Reserved.
+ */
+
+/*
+ * Test GL_OES_draw_texture
+ * Brian Paul
+ * August 2008
+ */
+
+#define GL_GLEXT_PROTOTYPES
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include "eglut.h"
+
+
+static GLfloat view_posx = 10.0, view_posy = 20.0;
+static GLfloat width = 200, height = 200;
+static GLboolean animate = GL_FALSE;
+static int win;
+
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glDrawTexfOES(view_posx, view_posy, 0.0, width, height);
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+ GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+ glViewport(0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+#ifdef GL_VERSION_ES_CM_1_0
+ glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+ glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static float
+dist(GLuint i, GLuint j, float x, float y)
+{
+ return sqrt((i-x) * (i-x) + (j-y) * (j-y));
+}
+
+static void
+make_smile_texture(void)
+{
+#define SZ 128
+ GLenum Filter = GL_LINEAR;
+ GLubyte image[SZ][SZ][4];
+ GLuint i, j;
+ GLint cropRect[4];
+
+ for (i = 0; i < SZ; i++) {
+ for (j = 0; j < SZ; j++) {
+ GLfloat d_mouth = dist(i, j, SZ/2, SZ/2);
+ GLfloat d_rt_eye = dist(i, j, SZ*3/4, SZ*3/4);
+ GLfloat d_lt_eye = dist(i, j, SZ*3/4, SZ*1/4);
+ if (d_rt_eye < SZ / 8 || d_lt_eye < SZ / 8) {
+ image[i][j][0] = 20;
+ image[i][j][1] = 50;
+ image[i][j][2] = 255;
+ image[i][j][3] = 255;
+ }
+ else if (i < SZ/2 && d_mouth < SZ/3) {
+ image[i][j][0] = 255;
+ image[i][j][1] = 20;
+ image[i][j][2] = 20;
+ image[i][j][3] = 255;
+ }
+ else {
+ image[i][j][0] = 200;
+ image[i][j][1] = 200;
+ image[i][j][2] = 200;
+ image[i][j][3] = 255;
+ }
+ }
+ }
+
+ glActiveTexture(GL_TEXTURE0); /* unit 0 */
+ glBindTexture(GL_TEXTURE_2D, 42);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, image);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ cropRect[0] = 0;
+ cropRect[1] = 0;
+ cropRect[2] = SZ;
+ cropRect[3] = SZ;
+ glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
+#undef SZ
+}
+
+
+
+static void
+init(void)
+{
+ const char *ext = (char *) glGetString(GL_EXTENSIONS);
+
+ if (!strstr(ext, "GL_OES_draw_texture")) {
+ fprintf(stderr, "Sorry, this program requires GL_OES_draw_texture");
+ exit(1);
+ }
+
+ glClearColor(0.4, 0.4, 0.4, 0.0);
+
+ make_smile_texture();
+ glEnable(GL_TEXTURE_2D);
+}
+
+
+static void
+idle(void)
+{
+ if (animate) {
+ view_posx += 1.0;
+ view_posy += 2.0;
+ eglutPostRedisplay();
+ }
+}
+
+static void
+key(unsigned char key)
+{
+ switch (key) {
+ case ' ':
+ animate = !animate;
+ break;
+ case 'w':
+ width -= 1.0f;
+ break;
+ case 'W':
+ width += 1.0f;
+ break;
+ case 'h':
+ height -= 1.0f;
+ break;
+ case 'H':
+ height += 1.0f;
+ break;
+ case 27:
+ eglutDestroyWindow(win);
+ exit(0);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+special_key(int key)
+{
+ switch (key) {
+ case EGLUT_KEY_LEFT:
+ view_posx -= 1.0;
+ break;
+ case EGLUT_KEY_RIGHT:
+ view_posx += 1.0;
+ break;
+ case EGLUT_KEY_UP:
+ view_posy += 1.0;
+ break;
+ case EGLUT_KEY_DOWN:
+ view_posy -= 1.0;
+ break;
+ default:
+ break;
+ }
+}
+
+int
+main(int argc, char *argv[])
+{
+ eglutInitWindowSize(400, 300);
+ eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+ eglutInit(argc, argv);
+
+ win = eglutCreateWindow("drawtex");
+
+ eglutIdleFunc(idle);
+ eglutReshapeFunc(reshape);
+ eglutDisplayFunc(draw);
+ eglutKeyboardFunc(key);
+ eglutSpecialFunc(special_key);
+
+ init();
+
+ eglutMainLoop();
+
+ return 0;
+}