oculus1
changeset 28:cedf581048c7
merged with removal of the shaderless crap
author | John Tsiombikas <nuclear@member.fsf.org> |
---|---|
date | Sat, 26 Oct 2013 04:24:16 +0300 |
parents | 9f783284a503 75ab0d4ce2bb |
children | 9a973ef0e2a3 |
files | src/main.cc |
diffstat | 3 files changed, 30 insertions(+), 231 deletions(-) [+] |
line diff
1.1 --- a/oculus1.vcproj Sat Oct 26 03:54:35 2013 +0300 1.2 +++ b/oculus1.vcproj Sat Oct 26 04:24:16 2013 +0300 1.3 @@ -553,22 +553,6 @@ 1.4 </File> 1.5 </Filter> 1.6 </Filter> 1.7 - <Filter 1.8 - Name="sdr" 1.9 - > 1.10 - <File 1.11 - RelativePath=".\sdr\phong.p.glsl" 1.12 - > 1.13 - </File> 1.14 - <File 1.15 - RelativePath=".\sdr\phong.v.glsl" 1.16 - > 1.17 - </File> 1.18 - <File 1.19 - RelativePath=".\sdr\sdr.glsl" 1.20 - > 1.21 - </File> 1.22 - </Filter> 1.23 </Files> 1.24 <Globals> 1.25 </Globals>
2.1 --- a/src/main.cc Sat Oct 26 03:54:35 2013 +0300 2.2 +++ b/src/main.cc Sat Oct 26 04:24:16 2013 +0300 2.3 @@ -431,9 +431,9 @@ 2.4 } 2.5 } 2.6 2.7 +static bool fullscreen; 2.8 static void toggle_fullscreen() 2.9 { 2.10 - static bool fullscreen; 2.11 static int prev_x, prev_y; 2.12 static int prev_xsz, prev_ysz; 2.13 2.14 @@ -515,13 +515,6 @@ 2.15 case 'f': 2.16 toggle_fullscreen(); 2.17 break; 2.18 - 2.19 - case '\\': 2.20 - { 2.21 - extern bool dbg_enable; 2.22 - dbg_enable = !dbg_enable; 2.23 - } 2.24 - break; 2.25 } 2.26 2.27 keystate[key] = true; 2.28 @@ -559,7 +552,11 @@ 2.29 int center_y = height / 2; 2.30 2.31 int dx = x - center_x; 2.32 - int dy = use_vr ? 0 : y - center_y; 2.33 + int dy = y - center_y; 2.34 + 2.35 + if(use_vr && fullscreen) { 2.36 + dy = 0; 2.37 + } 2.38 2.39 if(!dx && !dy) { 2.40 return;
3.1 --- a/src/vr.cc Sat Oct 26 03:54:35 2013 +0300 3.2 +++ b/src/vr.cc Sat Oct 26 04:24:16 2013 +0300 3.3 @@ -10,40 +10,13 @@ 3.4 #include <malloc.h> 3.5 #endif 3.6 3.7 -#define USUB 28 3.8 -#define VSUB 40 3.9 - 3.10 -/* these are just used for the shaderless precomputed distortion method */ 3.11 -struct Mesh { 3.12 - int prim; 3.13 - int num_verts, num_faces; 3.14 - unsigned int vbo; 3.15 - unsigned int ibo; 3.16 -}; 3.17 -struct Vertex { 3.18 - float x, y, z; 3.19 - float tx, ty; 3.20 -}; 3.21 - 3.22 - 3.23 static void init_ctx(); 3.24 static bool init_ovr(); 3.25 static bool init_sdr(); 3.26 3.27 -static Mesh gen_view_mesh(int usub, int vsub, float aspect, float lens_center_offset, 3.28 - float scale, const float *dist_factors, float tex_scale_x, float tex_scale_y); 3.29 -static void distort_texcoords(float *tc, float aspect, float lens_center_offset, float scale, const float *dist_factors); 3.30 -static float barrel_scale(float rad, const float *k); 3.31 - 3.32 VRContext vr_ctx; 3.33 static unsigned int sdrprog; 3.34 3.35 -static Mesh wrapmesh[2]; 3.36 -static bool mesh_valid; 3.37 - 3.38 -bool dbg_enable; 3.39 - 3.40 - 3.41 extern "C" int vr_init(enum vr_init_mode mode) 3.42 { 3.43 glewInit(); 3.44 @@ -365,204 +338,49 @@ 3.45 {-1, -1, 0, 1}, 3.46 {0, -1, 1, 1} 3.47 }; 3.48 - static const float quad_trans[3] = {0, -1, 1}; 3.49 - static const float quad_scale[3] = {1, 0.5, 0.5}; 3.50 static const float offs_scale[3] = {0.0, -1.0, 1.0}; 3.51 - static int prev_tex_scale_x, prev_tex_scale_y; 3.52 3.53 glPushAttrib(GL_ENABLE_BIT); 3.54 glDisable(GL_DEPTH_TEST); 3.55 glDisable(GL_LIGHTING); 3.56 - glDisable(GL_CULL_FACE); 3.57 + glEnable(GL_TEXTURE_2D); 3.58 + 3.59 + glMatrixMode(GL_MODELVIEW); 3.60 + glPushMatrix(); 3.61 + glLoadIdentity(); 3.62 3.63 glMatrixMode(GL_PROJECTION); 3.64 glPushMatrix(); 3.65 glLoadIdentity(); 3.66 3.67 - glMatrixMode(GL_MODELVIEW); 3.68 - glPushMatrix(); 3.69 - glLoadIdentity(); 3.70 + glUseProgram(sdrprog); 3.71 3.72 - if(!dbg_enable) { 3.73 - glUseProgram(sdrprog); 3.74 - 3.75 - if(sdrprog) { 3.76 - int loc; 3.77 - if((loc = glGetUniformLocation(sdrprog, "lens_center_offset")) != -1) { 3.78 - float offset = vr_ctx.info.lens_center_offset * offs_scale[eye]; 3.79 - glUniform1f(loc, offset); 3.80 - } 3.81 - 3.82 - if((loc = glGetUniformLocation(sdrprog, "tex_scale")) != -1) { 3.83 - glUniform2f(loc, tex_scale_x, tex_scale_y); 3.84 - } 3.85 + if(sdrprog) { 3.86 + int loc; 3.87 + if((loc = glGetUniformLocation(sdrprog, "lens_center_offset")) != -1) { 3.88 + float offset = vr_ctx.info.lens_center_offset * offs_scale[eye]; 3.89 + glUniform1f(loc, offset); 3.90 } 3.91 3.92 - glBindTexture(GL_TEXTURE_2D, tex); 3.93 - glBegin(GL_QUADS); 3.94 - glColor4f(1, 1, 1, 1); 3.95 - glTexCoord2f(0, 0); glVertex2f(rects[eye][0], rects[eye][1]); 3.96 - glTexCoord2f(1, 0); glVertex2f(rects[eye][2], rects[eye][1]); 3.97 - glTexCoord2f(1, 1); glVertex2f(rects[eye][2], rects[eye][3]); 3.98 - glTexCoord2f(0, 1); glVertex2f(rects[eye][0], rects[eye][3]); 3.99 - glEnd(); 3.100 - 3.101 - glUseProgram(0); 3.102 - 3.103 - } else { 3.104 - 3.105 - if(!mesh_valid || tex_scale_x != prev_tex_scale_x || tex_scale_y != prev_tex_scale_y) { 3.106 - for(int i=0; i<2; i++) { 3.107 - int eye = i + VR_EYE_LEFT; 3.108 - 3.109 - if(wrapmesh[i].vbo) { 3.110 - glDeleteBuffers(1, &wrapmesh[i].vbo); 3.111 - } 3.112 - if(wrapmesh[i].ibo) { 3.113 - glDeleteBuffers(1, &wrapmesh[i].ibo); 3.114 - } 3.115 - 3.116 - float aspect = vr_ctx.info.aspect / 2.0; 3.117 - float offset = vr_ctx.info.lens_center_offset * offs_scale[eye]; 3.118 - wrapmesh[i] = gen_view_mesh(USUB, VSUB, aspect, offset, vr_ctx.info.scale, vr_ctx.info.distort, 3.119 - tex_scale_x, tex_scale_y); 3.120 - } 3.121 - mesh_valid = true; 3.122 - prev_tex_scale_x = tex_scale_x; 3.123 - prev_tex_scale_y = tex_scale_y; 3.124 + if((loc = glGetUniformLocation(sdrprog, "tex_scale")) != -1) { 3.125 + glUniform2f(loc, tex_scale_x, tex_scale_y); 3.126 } 3.127 - 3.128 - glScalef(quad_scale[eye], 1.0, 1.0); 3.129 - glTranslatef(quad_trans[eye], 0, 0); 3.130 - 3.131 - glUseProgram(0); 3.132 - glBindTexture(GL_TEXTURE_2D, tex); 3.133 - glEnable(GL_TEXTURE_2D); 3.134 - 3.135 - glColor3f(1, 1, 1); 3.136 - 3.137 - glEnableClientState(GL_VERTEX_ARRAY); 3.138 - glEnableClientState(GL_TEXTURE_COORD_ARRAY); 3.139 - 3.140 - int meshidx = eye - VR_EYE_LEFT; 3.141 - glBindBuffer(GL_ARRAY_BUFFER, wrapmesh[meshidx].vbo); 3.142 - glVertexPointer(3, GL_FLOAT, sizeof(Vertex), 0); 3.143 - glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), (void*)offsetof(Vertex, tx)); 3.144 - 3.145 - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, wrapmesh[meshidx].ibo); 3.146 - glDrawElements(GL_TRIANGLES, wrapmesh[meshidx].num_faces * 3, GL_UNSIGNED_INT, 0); 3.147 - 3.148 - glBindBuffer(GL_ARRAY_BUFFER, 0); 3.149 - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 3.150 - 3.151 - glDisableClientState(GL_VERTEX_ARRAY); 3.152 - glDisableClientState(GL_TEXTURE_COORD_ARRAY); 3.153 } 3.154 3.155 - glMatrixMode(GL_PROJECTION); 3.156 + glBindTexture(GL_TEXTURE_2D, tex); 3.157 + glBegin(GL_QUADS); 3.158 + glColor4f(1, 1, 1, 1); 3.159 + glTexCoord2f(0, 0); glVertex2f(rects[eye][0], rects[eye][1]); 3.160 + glTexCoord2f(1, 0); glVertex2f(rects[eye][2], rects[eye][1]); 3.161 + glTexCoord2f(1, 1); glVertex2f(rects[eye][2], rects[eye][3]); 3.162 + glTexCoord2f(0, 1); glVertex2f(rects[eye][0], rects[eye][3]); 3.163 + glEnd(); 3.164 + 3.165 + glUseProgram(0); 3.166 + 3.167 glPopMatrix(); 3.168 glMatrixMode(GL_MODELVIEW); 3.169 glPopMatrix(); 3.170 3.171 glPopAttrib(); 3.172 } 3.173 - 3.174 -static Mesh gen_view_mesh(int usub, int vsub, float aspect, float lens_center_offset, 3.175 - float scale, const float *dist_factors, float tex_scale_x, float tex_scale_y) 3.176 -{ 3.177 - int uverts = usub + 1; 3.178 - int vverts = vsub + 1; 3.179 - 3.180 - int num_verts = uverts * vverts; 3.181 - int num_quads = usub * vsub; 3.182 - int num_tris = num_quads * 2; 3.183 - 3.184 - Vertex *varr = new Vertex[num_verts]; 3.185 - unsigned int *iarr = new unsigned int[num_tris * 3]; 3.186 - 3.187 - float du = 1.0 / (float)usub; 3.188 - float dv = 1.0 / (float)vsub; 3.189 - 3.190 - Vertex *vptr = varr; 3.191 - for(int i=0; i<vverts; i++) { 3.192 - float v = (float)i * dv; 3.193 - float y = 2.0 * v - 1.0; 3.194 - 3.195 - for(int j=0; j<uverts; j++) { 3.196 - float u = (float)j * du; 3.197 - float x = 2.0 * u - 1.0; 3.198 - float tc[2] = {u, v}; 3.199 - 3.200 - distort_texcoords(tc, aspect, lens_center_offset, scale, dist_factors); 3.201 - 3.202 - vptr->x = x; 3.203 - vptr->y = y; 3.204 - vptr->z = 0; 3.205 - vptr->tx = tc[0] * tex_scale_x; 3.206 - vptr->ty = tc[1] * tex_scale_y; 3.207 - vptr++; 3.208 - } 3.209 - } 3.210 - 3.211 - unsigned int *iptr = iarr; 3.212 - for(int i=0; i<vsub; i++) { 3.213 - for(int j=0; j<usub; j++) { 3.214 - *iptr++ = i * uverts + j; 3.215 - *iptr++ = (i + 1) * uverts + j; 3.216 - *iptr++ = (i + 1) * uverts + (j + 1); 3.217 - 3.218 - *iptr++ = i * uverts + j; 3.219 - *iptr++ = (i + 1) * uverts + (j + 1); 3.220 - *iptr++ = i * uverts + (j + 1); 3.221 - } 3.222 - } 3.223 - 3.224 - unsigned int buf[2]; 3.225 - glGenBuffers(2, buf); 3.226 - glBindBuffer(GL_ARRAY_BUFFER, buf[0]); 3.227 - glBufferData(GL_ARRAY_BUFFER, num_verts * sizeof *varr, varr, GL_STATIC_DRAW); 3.228 - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf[1]); 3.229 - glBufferData(GL_ELEMENT_ARRAY_BUFFER, num_tris * 3 * sizeof *iarr, iarr, GL_STATIC_DRAW); 3.230 - 3.231 - delete [] varr; 3.232 - delete [] iarr; 3.233 - 3.234 - Mesh mesh; 3.235 - mesh.prim = GL_TRIANGLES; 3.236 - mesh.num_verts = num_verts; 3.237 - mesh.num_faces = num_tris; 3.238 - mesh.vbo = buf[0]; 3.239 - mesh.ibo = buf[1]; 3.240 - return mesh; 3.241 -} 3.242 - 3.243 -static void distort_texcoords(float *tc, float aspect, float lens_center_offset, float scale, const float *dist_factors) 3.244 -{ 3.245 - // map tc [0, 1] -> [-1, 1] 3.246 - float ptx = tc[0] * 2.0 - 1.0; 3.247 - float pty = tc[1] * 2.0 - 1.0; 3.248 - 3.249 - ptx += lens_center_offset * 2.0; 3.250 - pty /= aspect; // correct for aspect ratio 3.251 - 3.252 - float rad = barrel_scale(ptx * ptx + pty * pty, dist_factors); 3.253 - ptx *= rad; // scale the point by the computer distortion radius 3.254 - pty *= rad; 3.255 - 3.256 - ptx /= scale; 3.257 - pty /= scale; 3.258 - 3.259 - pty *= aspect; 3.260 - ptx -= lens_center_offset * 2.0; 3.261 - 3.262 - // map back to range [0, 1] 3.263 - tc[0] = ptx * 0.5 + 0.5; 3.264 - tc[1] = pty * 0.5 + 0.5; 3.265 -} 3.266 - 3.267 -static float barrel_scale(float rad, const float *k) 3.268 -{ 3.269 - float radsq = rad * rad; 3.270 - float radquad = radsq * radsq; 3.271 - return k[0] + k[1] * radsq + k[2] * radquad + k[3] * radquad * radsq; 3.272 -}