shaders/manif.fs

@@ -2,7 +2,7 @@
 
 in vec4 pos_model;
 in vec3 vec_normal;
-in vec4 smcoord;
+in vec4 shadowMapCoord;
 
 out vec4 fragColor;
 
@@ -12,7 +12,7 @@ uniform vec4 couleur;
 uniform vec4 lumPos[max];
 uniform mat4 view;
 uniform vec4 lumColor[max];
-uniform sampler2D sm;
+uniform sampler2D shadowmap;
 
 void main() {
   const vec3 vue = vec3(0, 0, -1);
@@ -22,8 +22,8 @@ void main() {
     vec3 torche = normalize(pos_model.xyz - lumPos[i].xyz);
     float intensite_lumineuse = clamp(dot(vec_normal, -torche), 0., 1.);
 
-    vec3 smpcoord = smcoord.xyz / smcoord.w;
-    if(texture(sm, smpcoord.xy).r < smpcoord.z) {
+    vec3 shadowMapPcoord = shadowMapCoord.xyz / shadowMapCoord.w;
+    if(texture(shadowmap, shadowMapPcoord.xy).r < shadowMapPcoord.z) {
       intensite_lumineuse = 0;
     }
 

shaders/manif.vs

@@ -5,7 +5,7 @@ layout(location = 1) in vec3 normal;
 
 out vec4 pos_model;
 out vec3 vec_normal;
-out vec4 smcoord;
+out vec4 shadowMapCoord;
 
 uniform mat4 proj, model, view;
 uniform mat4 lightView, lightProjection;
@@ -16,6 +16,6 @@ void main() {
   pos_model = model * vec4(pos, 1);
   vec_normal = normalize(transpose(inverse(model)) * vec4(normal, 0)).xyz;
 
-  smcoord = bias * lightProjection * lightView * pos_model;
+  shadowMapCoord = bias * lightProjection * lightView * pos_model;
   gl_Position = proj * view * pos_model;
 }

src/manif.c

@@ -7,7 +7,7 @@ static GLuint _planId = 0;
 static struct manifestant _herosId[HEROS_NUMBER];
 
 #define SHADOW_MAP_SIDE 1024
-static GLuint _fbo = 0, _smTex = 0;
+static GLuint _fbo = 0, _shadow_map_tex = 0;
 
 static const char *matrix_proj = "proj";
 static const char *matrix_model = "model";
@@ -62,8 +62,8 @@ static void init(void) {
   gl4duGenMatrix(GL_FLOAT, matrix_lproj);
 
   // Création et paramétrage de la Texture de shadow map
-  glGenTextures(1, &_smTex);
-  glBindTexture(GL_TEXTURE_2D, _smTex);
+  glGenTextures(1, &_shadow_map_tex);
+  glBindTexture(GL_TEXTURE_2D, _shadow_map_tex);
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
   glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, SHADOW_MAP_SIDE,
@@ -93,7 +93,7 @@ static void draw(void) {
   glCullFace(GL_FRONT);
   glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
-                         _smTex, 0);
+                         _shadow_map_tex, 0);
   glViewport(0, 0, SHADOW_MAP_SIDE, SHADOW_MAP_SIDE);
   glClear(GL_DEPTH_BUFFER_BIT);
   for (int i = 0; i < HEROS_NUMBER; ++i) {
@@ -148,16 +148,17 @@ static void draw(void) {
     drawManifestant(matrix_model, &_herosId[i], deplacement, GL_TRUE);
   }
 
-  int max_gpu = 3; // HEROS_NUMBER;
   glActiveTexture(GL_TEXTURE0);
-  glBindTexture(GL_TEXTURE_2D, _smTex);
+  glBindTexture(GL_TEXTURE_2D, _shadow_map_tex);
+  int max_gpu = 3; // HEROS_NUMBER;
   glUniform4fv(glGetUniformLocation(_pId[0], "lumPos"), max_gpu,
                (float *)lumpos);
   glUniform4fv(glGetUniformLocation(_pId[0], "lumColor"), max_gpu,
                (float *)lumcolor);
-  glUniform1i(glGetUniformLocation(_pId[0], "sm"), 0);
+  glUniform1i(glGetUniformLocation(_pId[0], "shadowmap"), 0);
 
   deplacement += (float)(0.4 * M_PI * dt);
+  glBindTexture(GL_TEXTURE_2D, 0);
   glUseProgram(0);
 
   glDisable(GL_DEPTH_TEST);
@@ -166,7 +167,7 @@ static void draw(void) {
 
 static void deinit(void) {
   if (_fbo) {
-    glDeleteTextures(1, &_smTex);
+    glDeleteTextures(1, &_shadow_map_tex);
     glDeleteFramebuffers(1, &_fbo);
     _fbo = 0;
   }