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authorJulien Cristau <[email protected]>2008-07-01 13:17:44 +0200
committerJulien Cristau <[email protected]>2008-07-01 13:18:27 +0200
commit374be37dd904b8dc7b91b4b782a6b7b46b00afba (patch)
tree2562d5fcf4183bdc67d6c418513e1f562dddfe20 /progs/glsl/multitex.c
parent2b831e73f5027850837e613636915c7dd6c7078a (diff)
parentd3f7b463c3975c070503053e4ad70af99016a756 (diff)
Merge branch 'master' of git.freedesktop.org:/git/mesa/mesa into debian-experimental
Conflicts: .gitignore Makefile bin/mklib configs/.gitignore configs/default configs/freebsd configs/freebsd-dri configs/linux-osmesa configs/linux-osmesa16 configs/linux-osmesa16-static configs/linux-osmesa32 docs/download.html docs/install.html docs/news.html docs/relnotes.html doxygen/Makefile doxygen/doxy.bat doxygen/header.html doxygen/header_subset.html include/GL/internal/dri_interface.h progs/demos/.gitignore progs/directfb/Makefile progs/egl/Makefile progs/fbdev/Makefile progs/fbdev/glfbdevtest.c progs/fp/Makefile progs/glsl/.gitignore progs/glsl/Makefile progs/glsl/bump.c progs/glsl/mandelbrot.c progs/glsl/noise.c progs/glsl/toyball.c progs/miniglx/Makefile progs/samples/.gitignore progs/slang/Makefile progs/tests/.gitignore progs/tests/Makefile progs/tests/arbnpot.c progs/tests/cva.c progs/tests/dinoshade.c progs/tests/drawbuffers.c progs/tests/fbotest2.c progs/tests/fbotexture.c progs/tests/getprocaddress.c progs/tests/mipmap_limits.c progs/tests/multipal.c progs/tests/texline.c progs/tools/trace/Makefile progs/trivial/Makefile progs/trivial/dlist-edgeflag-dangling.c progs/trivial/dlist-edgeflag.c progs/trivial/point-param.c progs/trivial/quad-clip-nearplane.c progs/trivial/tri.c progs/vp/Makefile progs/xdemos/.gitignore progs/xdemos/Makefile progs/xdemos/glthreads.c src/egl/Makefile src/egl/drivers/demo/Makefile src/egl/drivers/dri/Makefile src/egl/main/Makefile src/glu/mesa/Makefile src/glu/mesa/Makefile.m32 src/glu/mesa/project.c src/glu/mini/project.c src/glut/directfb/Makefile src/glut/directfb/callback.c src/glut/directfb/events.c src/glut/directfb/internal.h src/glut/directfb/window.c src/glut/os2/Makefile src/glut/os2/WarpWin.cpp src/glut/os2/glutOverlay.cpp src/glut/os2/glut_8x13.cpp src/glut/os2/glut_9x15.cpp src/glut/os2/glut_bitmap.cpp src/glut/os2/glut_cindex.cpp src/glut/os2/glut_cmap.cpp src/glut/os2/glut_cursor.cpp src/glut/os2/glut_event.cpp src/glut/os2/glut_ext.cpp src/glut/os2/glut_fullscrn.cpp src/glut/os2/glut_gamemode.cpp src/glut/os2/glut_get.cpp src/glut/os2/glut_hel10.cpp src/glut/os2/glut_hel12.cpp src/glut/os2/glut_hel18.cpp src/glut/os2/glut_init.cpp src/glut/os2/glut_input.cpp src/glut/os2/glut_key.cpp src/glut/os2/glut_keyctrl.cpp src/glut/os2/glut_keyup.cpp src/glut/os2/glut_mesa.cpp src/glut/os2/glut_modifier.cpp src/glut/os2/glut_roman.cpp src/glut/os2/glut_shapes.cpp src/glut/os2/glut_stroke.cpp src/glut/os2/glut_swap.cpp src/glut/os2/glut_teapot.cpp src/glut/os2/glut_tr24.cpp src/glut/os2/glut_util.cpp src/glut/os2/glut_vidresize.cpp src/glut/os2/glut_warp.cpp src/glut/os2/glut_win.cpp src/glut/os2/glut_winmisc.cpp src/glut/os2/glutbitmap.h src/glut/os2/glutstroke.h src/glut/os2/layerutil.h src/glut/os2/libGlut.DEF src/glut/os2/os2_glx.cpp src/glut/os2/os2_menu.cpp src/glut/os2/os2_winproc.cpp src/glw/Makefile src/glx/mini/Makefile src/glx/mini/miniglx.c src/glx/x11/glxext.c src/mesa/Makefile src/mesa/drivers/allegro/amesa.c src/mesa/drivers/allegro/direct.h src/mesa/drivers/allegro/generic.h src/mesa/drivers/d3d/D3DCAPS.CPP src/mesa/drivers/d3d/D3DHAL.H src/mesa/drivers/d3d/D3DInit.cpp src/mesa/drivers/d3d/D3DMESA.H src/mesa/drivers/d3d/D3DRaster.cpp src/mesa/drivers/d3d/D3DTEXT.CPP src/mesa/drivers/d3d/D3DTextureMgr.cpp src/mesa/drivers/d3d/D3DTextureMgr.h src/mesa/drivers/d3d/D3DUTILS.CPP src/mesa/drivers/d3d/DDrawPROCS.c src/mesa/drivers/d3d/DEBUG.C src/mesa/drivers/d3d/DEBUG.H src/mesa/drivers/d3d/DbgEnv.bat src/mesa/drivers/d3d/MAKEFILE src/mesa/drivers/d3d/OPENGL32.DEF src/mesa/drivers/d3d/WGL.C src/mesa/drivers/dri/Makefile.template src/mesa/drivers/dri/common/dri_bufmgr.c src/mesa/drivers/dri/common/dri_drmpool.c src/mesa/drivers/dri/common/dri_util.c src/mesa/drivers/dri/common/dri_util.h src/mesa/drivers/dri/common/xmlconfig.c src/mesa/drivers/dri/glcore/Makefile src/mesa/drivers/dri/i915/i915_fragprog.c src/mesa/drivers/dri/i915/i915_program.h src/mesa/drivers/dri/i915/i915_texprog.c src/mesa/drivers/dri/i915/i915_texstate.c src/mesa/drivers/dri/i915/i915_vtbl.c src/mesa/drivers/dri/i915/intel_context.c src/mesa/drivers/dri/i915/intel_context.h src/mesa/drivers/dri/i915/intel_pixel.c src/mesa/drivers/dri/i915/intel_render.c src/mesa/drivers/dri/i915/intel_screen.c src/mesa/drivers/dri/i915/intel_state.c src/mesa/drivers/dri/i915/intel_tex.c src/mesa/drivers/dri/i915/intel_tris.c src/mesa/drivers/dri/i915tex/i830_reg.h src/mesa/drivers/dri/i915tex/i830_texstate.c src/mesa/drivers/dri/i915tex/i830_vtbl.c src/mesa/drivers/dri/i915tex/i915_fragprog.c src/mesa/drivers/dri/i915tex/i915_metaops.c src/mesa/drivers/dri/i915tex/i915_tex_layout.c src/mesa/drivers/dri/i915tex/i915_texstate.c src/mesa/drivers/dri/i915tex/i915_vtbl.c src/mesa/drivers/dri/i915tex/intel_render.c src/mesa/drivers/dri/i915tex/intel_screen.c src/mesa/drivers/dri/i915tex/intel_tris.c src/mesa/drivers/dri/i965/brw_aub.c src/mesa/drivers/dri/i965/brw_aub_playback.c src/mesa/drivers/dri/i965/brw_cc.c src/mesa/drivers/dri/i965/brw_clip.c src/mesa/drivers/dri/i965/brw_clip_state.c src/mesa/drivers/dri/i965/brw_clip_util.c src/mesa/drivers/dri/i965/brw_context.c src/mesa/drivers/dri/i965/brw_curbe.c src/mesa/drivers/dri/i965/brw_defines.h src/mesa/drivers/dri/i965/brw_draw.c src/mesa/drivers/dri/i965/brw_draw_upload.c src/mesa/drivers/dri/i965/brw_eu.h src/mesa/drivers/dri/i965/brw_eu_emit.c src/mesa/drivers/dri/i965/brw_gs_state.c src/mesa/drivers/dri/i965/brw_misc_state.c src/mesa/drivers/dri/i965/brw_sf_emit.c src/mesa/drivers/dri/i965/brw_sf_state.c src/mesa/drivers/dri/i965/brw_state_cache.c src/mesa/drivers/dri/i965/brw_state_pool.c src/mesa/drivers/dri/i965/brw_tex.c src/mesa/drivers/dri/i965/brw_tex_layout.c src/mesa/drivers/dri/i965/brw_vs_state.c src/mesa/drivers/dri/i965/brw_vs_tnl.c src/mesa/drivers/dri/i965/brw_wm.c src/mesa/drivers/dri/i965/brw_wm.h src/mesa/drivers/dri/i965/brw_wm_glsl.c src/mesa/drivers/dri/i965/brw_wm_sampler_state.c src/mesa/drivers/dri/i965/brw_wm_state.c src/mesa/drivers/dri/i965/brw_wm_surface_state.c src/mesa/drivers/dri/i965/bufmgr_fake.c src/mesa/drivers/dri/i965/intel_batchbuffer.c src/mesa/drivers/dri/i965/intel_batchbuffer.h src/mesa/drivers/dri/i965/intel_blit.c src/mesa/drivers/dri/i965/intel_blit.h src/mesa/drivers/dri/i965/intel_buffers.c src/mesa/drivers/dri/i965/intel_context.c src/mesa/drivers/dri/i965/intel_context.h src/mesa/drivers/dri/i965/intel_mipmap_tree.c src/mesa/drivers/dri/i965/intel_mipmap_tree.h src/mesa/drivers/dri/i965/intel_pixel_bitmap.c src/mesa/drivers/dri/i965/intel_pixel_copy.c src/mesa/drivers/dri/i965/intel_screen.c src/mesa/drivers/dri/i965/intel_tex_validate.c src/mesa/drivers/dri/i965/server/i830_common.h src/mesa/drivers/dri/intel/intel_batchbuffer.c src/mesa/drivers/dri/intel/intel_batchbuffer.h src/mesa/drivers/dri/intel/intel_blit.c src/mesa/drivers/dri/intel/intel_buffers.c src/mesa/drivers/dri/intel/intel_context.c src/mesa/drivers/dri/intel/intel_context.h src/mesa/drivers/dri/intel/intel_mipmap_tree.c src/mesa/drivers/dri/intel/intel_mipmap_tree.h src/mesa/drivers/dri/intel/intel_screen.h src/mesa/drivers/dri/r200/r200_texstate.c src/mesa/drivers/dri/r300/r300_cmdbuf.c src/mesa/drivers/dri/r300/r300_context.h src/mesa/drivers/dri/r300/r300_ioctl.c src/mesa/drivers/dri/r300/r300_reg.h src/mesa/drivers/dri/r300/r300_state.c src/mesa/drivers/dri/r300/r300_tex.h src/mesa/drivers/dri/r300/r300_texstate.c src/mesa/drivers/dri/radeon/radeon_screen.c src/mesa/drivers/windows/gdi/wmesa.c src/mesa/drivers/x11/fakeglx.c src/mesa/drivers/x11/xm_dd.c src/mesa/glapi/Makefile src/mesa/glapi/dispatch.h src/mesa/glapi/glapioffsets.h src/mesa/glapi/glapitable.h src/mesa/glapi/glapitemp.h src/mesa/glapi/glprocs.h src/mesa/main/api_validate.c src/mesa/main/attrib.c src/mesa/main/config.h src/mesa/main/context.c src/mesa/main/context.h src/mesa/main/dlist.c src/mesa/main/drawpix.c src/mesa/main/enums.c src/mesa/main/fbobject.c src/mesa/main/image.c src/mesa/main/imports.h src/mesa/main/mtypes.h src/mesa/main/points.c src/mesa/main/state.c src/mesa/main/texcompress_fxt1.c src/mesa/main/texenvprogram.c src/mesa/main/teximage.c src/mesa/main/texobj.c src/mesa/main/texstate.c src/mesa/main/version.h src/mesa/shader/prog_execute.c src/mesa/shader/program.c src/mesa/shader/shader_api.c src/mesa/shader/slang/library/slang_core.gc src/mesa/shader/slang/library/slang_core_gc.h src/mesa/shader/slang/slang_codegen.c src/mesa/sources src/mesa/sparc/glapi_sparc.S src/mesa/swrast/s_aalinetemp.h src/mesa/swrast/s_aatriangle.c src/mesa/swrast/s_aatritemp.h src/mesa/swrast/s_context.c src/mesa/swrast/s_copypix.c src/mesa/swrast/s_drawpix.c src/mesa/swrast/s_fragprog.c src/mesa/swrast/s_pointtemp.h src/mesa/swrast/s_readpix.c src/mesa/swrast/s_span.c src/mesa/swrast/s_texfilter.c src/mesa/swrast/s_tritemp.h src/mesa/swrast/s_zoom.c src/mesa/tnl/t_draw.c src/mesa/tnl/t_vb_fog.c src/mesa/tnl/t_vb_program.c src/mesa/tnl/t_vp_build.c src/mesa/vbo/vbo_split_copy.c src/mesa/x86-64/xform4.S src/mesa/x86/common_x86.c src/mesa/x86/glapi_x86.S windows/VC6/mesa/mesa/mesa.dsp
Diffstat (limited to 'progs/glsl/multitex.c')
-rw-r--r--progs/glsl/multitex.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
new file mode 100644
index 00000000000..5574ed4139f
--- /dev/null
+++ b/progs/glsl/multitex.c
@@ -0,0 +1,285 @@
+/**
+ * Test multi-texturing with GL shading language.
+ *
+ * Copyright (C) 2008 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.
+ */
+
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "GL/glut.h"
+#include "readtex.h"
+#include "extfuncs.h"
+#include "shaderutil.h"
+
+static const char *Demo = "multitex";
+
+static const char *VertFile = "multitex.vert.txt";
+static const char *FragFile = "multitex.frag.txt";
+
+static const char *TexFiles[2] =
+ {
+ "../images/tile.rgb",
+ "../images/tree2.rgba"
+ };
+
+
+static GLuint Program;
+
+static GLfloat Xrot = -90.0, Yrot = .0, Zrot = 0.0;
+static GLfloat EyeDist = 10;
+static GLboolean Anim = GL_TRUE;
+
+
+/* value[0] = tex unit */
+static struct uniform_info Uniforms[] = {
+ { "tex1", 1, GL_INT, { 0, 0, 0, 0 }, -1 },
+ { "tex2", 1, GL_INT, { 1, 0, 0, 0 }, -1 },
+ END_OF_UNIFORMS
+};
+
+
+static void
+DrawPolygon(GLfloat size)
+{
+ glPushMatrix();
+ glRotatef(90, 1, 0, 0);
+ glNormal3f(0, 0, 1);
+ glBegin(GL_POLYGON);
+
+ glMultiTexCoord2f(GL_TEXTURE0, 0, 0);
+ glMultiTexCoord2f(GL_TEXTURE1, 0, 0);
+ glVertex2f(-size, -size);
+
+ glMultiTexCoord2f(GL_TEXTURE0, 2, 0);
+ glMultiTexCoord2f(GL_TEXTURE1, 1, 0);
+ glVertex2f( size, -size);
+
+ glMultiTexCoord2f(GL_TEXTURE0, 2, 2);
+ glMultiTexCoord2f(GL_TEXTURE1, 1, 1);
+ glVertex2f( size, size);
+
+ glMultiTexCoord2f(GL_TEXTURE0, 0, 2);
+ glMultiTexCoord2f(GL_TEXTURE1, 0, 1);
+ glVertex2f(-size, size);
+
+ glEnd();
+ glPopMatrix();
+}
+
+
+static void
+draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix(); /* modelview matrix */
+ glTranslatef(0.0, 0.0, -EyeDist);
+ glRotatef(Zrot, 0, 0, 1);
+ glRotatef(Yrot, 0, 1, 0);
+ glRotatef(Xrot, 1, 0, 0);
+
+ DrawPolygon(3.0);
+
+ glPopMatrix();
+
+ glutSwapBuffers();
+}
+
+
+static void
+idle(void)
+{
+ GLfloat t = 0.05 * glutGet(GLUT_ELAPSED_TIME);
+ Yrot = t;
+ glutPostRedisplay();
+}
+
+
+static void
+key(unsigned char k, int x, int y)
+{
+ (void) x;
+ (void) y;
+ switch (k) {
+ case ' ':
+ case 'a':
+ Anim = !Anim;
+ if (Anim)
+ glutIdleFunc(idle);
+ else
+ glutIdleFunc(NULL);
+ break;
+ case 'z':
+ EyeDist -= 0.5;
+ if (EyeDist < 3.0)
+ EyeDist = 3.0;
+ break;
+ case 'Z':
+ EyeDist += 0.5;
+ if (EyeDist > 90.0)
+ EyeDist = 90;
+ break;
+ case 27:
+ exit(0);
+ }
+ glutPostRedisplay();
+}
+
+
+static void
+specialkey(int key, int x, int y)
+{
+ GLfloat step = 2.0;
+ (void) x;
+ (void) y;
+ switch (key) {
+ case GLUT_KEY_UP:
+ Xrot += step;
+ break;
+ case GLUT_KEY_DOWN:
+ Xrot -= step;
+ break;
+ case GLUT_KEY_LEFT:
+ Yrot -= step;
+ break;
+ case GLUT_KEY_RIGHT:
+ Yrot += step;
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+/* new window size or exposure */
+static void
+Reshape(int width, int height)
+{
+ GLfloat ar = (float) width / (float) height;
+ glViewport(0, 0, (GLint)width, (GLint)height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustum(-2.0*ar, 2.0*ar, -2.0, 2.0, 4.0, 100.0);
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+}
+
+
+static void
+InitTextures(void)
+{
+ GLenum filter = GL_LINEAR;
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ GLint imgWidth, imgHeight;
+ GLenum imgFormat;
+ GLubyte *image = NULL;
+
+ image = LoadRGBImage(TexFiles[i], &imgWidth, &imgHeight, &imgFormat);
+ if (!image) {
+ printf("Couldn't read %s\n", TexFiles[i]);
+ exit(0);
+ }
+
+ glActiveTexture(GL_TEXTURE0 + i);
+ glBindTexture(GL_TEXTURE_2D, 42 + i);
+ gluBuild2DMipmaps(GL_TEXTURE_2D, 4, imgWidth, imgHeight,
+ imgFormat, GL_UNSIGNED_BYTE, image);
+ free(image);
+
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
+ }
+}
+
+
+static GLuint
+CreateProgram(const char *vertProgFile, const char *fragProgFile,
+ struct uniform_info *uniforms)
+{
+ GLuint fragShader, vertShader, program;
+
+ vertShader = CompileShaderFile(GL_VERTEX_SHADER, vertProgFile);
+ fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, fragProgFile);
+ assert(vertShader);
+ program = LinkShaders(vertShader, fragShader);
+
+ glUseProgram_func(program);
+
+ InitUniforms(program, uniforms);
+
+ return program;
+}
+
+
+static void
+InitPrograms(void)
+{
+ Program = CreateProgram(VertFile, FragFile, Uniforms);
+}
+
+
+static void
+InitGL(void)
+{
+ const char *version = (const char *) glGetString(GL_VERSION);
+
+ if (version[0] != '2' || version[1] != '.') {
+ printf("Warning: this program expects OpenGL 2.0\n");
+ /*exit(1);*/
+ }
+ printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+
+ GetExtensionFuncs();
+
+ InitTextures();
+ InitPrograms();
+
+ glEnable(GL_DEPTH_TEST);
+
+ glClearColor(.6, .6, .9, 0);
+ glColor3f(1.0, 1.0, 1.0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ glutInit(&argc, argv);
+ glutInitWindowSize(500, 400);
+ glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
+ glutCreateWindow(Demo);
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(key);
+ glutSpecialFunc(specialkey);
+ glutDisplayFunc(draw);
+ if (Anim)
+ glutIdleFunc(idle);
+ InitGL();
+ glutMainLoop();
+ return 0;
+}