diff options
author | Chia-I Wu <olvaffe@gmail.com> | 2010-01-12 11:25:02 +0800 |
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committer | Chia-I Wu <olvaffe@gmail.com> | 2010-01-12 11:25:02 +0800 |
commit | 562c127693200822f04a145db50add1be2425d7b (patch) | |
tree | 9441774fb212b17ddf2a364f06abc43f166cc00b /progs/glsl/bump.c | |
parent | e5d351dcfde58777162552cf5cd2a9cd8299f4cd (diff) | |
parent | 077d6dd7508af88509dd0499c5dfbdaa186b4015 (diff) |
Merge branch 'master' into opengl-es-v2
Conflicts:
src/mesa/main/dd.h
Diffstat (limited to 'progs/glsl/bump.c')
-rw-r--r-- | progs/glsl/bump.c | 57 |
1 files changed, 54 insertions, 3 deletions
diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c index 87669aec73..e31afab939 100644 --- a/progs/glsl/bump.c +++ b/progs/glsl/bump.c @@ -12,15 +12,20 @@ #include <GL/glew.h> #include <GL/glut.h> #include "shaderutil.h" +#include "readtex.h" static char *FragProgFile = "CH11-bumpmap.frag"; +static char *FragTexProgFile = "CH11-bumpmaptex.frag"; static char *VertProgFile = "CH11-bumpmap.vert"; +static char *TextureFile = "../images/tile.rgb"; /* program/shader objects */ static GLuint fragShader; +static GLuint fragTexShader; static GLuint vertShader; static GLuint program; +static GLuint texProgram; static struct uniform_info Uniforms[] = { @@ -32,13 +37,26 @@ static struct uniform_info Uniforms[] = { END_OF_UNIFORMS }; +static struct uniform_info TexUniforms[] = { + { "LightPosition", 1, GL_FLOAT_VEC3, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 }, + { "Tex", 1, GL_INT, { 0, 0, 0, 0 }, -1 }, + { "BumpDensity", 1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 }, + { "BumpSize", 1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 }, + { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 }, + END_OF_UNIFORMS +}; + static GLint win = 0; static GLfloat xRot = 20.0f, yRot = 0.0f, zRot = 0.0f; -static GLuint tangentAttrib; +static GLint tangentAttrib; +static GLint tangentAttribTex; + +static GLuint Texture; static GLboolean Anim = GL_FALSE; +static GLboolean Textured = GL_FALSE; static void @@ -135,6 +153,11 @@ Redisplay(void) glRotatef(yRot, 0.0f, 1.0f, 0.0f); glRotatef(zRot, 0.0f, 0.0f, 1.0f); + if (Textured) + glUseProgram(texProgram); + else + glUseProgram(program); + Cube(1.5); glPopMatrix(); @@ -163,8 +186,10 @@ static void CleanUp(void) { glDeleteShader(fragShader); + glDeleteShader(fragTexShader); glDeleteShader(vertShader); glDeleteProgram(program); + glDeleteProgram(texProgram); glutDestroyWindow(win); } @@ -181,6 +206,9 @@ Key(unsigned char key, int x, int y) Anim = !Anim; glutIdleFunc(Anim ? Idle : NULL); break; + case 't': + Textured = !Textured; + break; case 'z': zRot += step; break; @@ -254,6 +282,26 @@ Init(void) CheckError(__LINE__); + + /* + * As above, but fragment shader also uses a texture map. + */ + fragTexShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragTexProgFile); + texProgram = LinkShaders(vertShader, fragTexShader); + glUseProgram(texProgram); + assert(glIsProgram(texProgram)); + assert(glIsShader(fragTexShader)); + SetUniformValues(texProgram, TexUniforms); + PrintUniforms(TexUniforms); + + /* + * Load tex image. + */ + glGenTextures(1, &Texture); + glBindTexture(GL_TEXTURE_2D, Texture); + LoadRGBMipmaps(TextureFile, GL_RGB); + + glClearColor(0.4f, 0.4f, 0.8f, 0.0f); glEnable(GL_DEPTH_TEST); @@ -268,10 +316,13 @@ ParseOptions(int argc, char *argv[]) int i; for (i = 1; i < argc; i++) { if (strcmp(argv[i], "-fs") == 0) { - FragProgFile = argv[i+1]; + FragProgFile = argv[++i]; } else if (strcmp(argv[i], "-vs") == 0) { - VertProgFile = argv[i+1]; + VertProgFile = argv[++i]; + } + else if (strcmp(argv[i], "-t") == 0) { + TextureFile = argv[++i]; } } } |