opengl_x11

commit 72fdb4b86782b4b3d47328cc2905f7782a738a9c
parent 568c46f8ba2de13efcc180f068506dc3f035cfef
Author: bsandro <email@bsandro.tech>
Date:   Wed, 15 Oct 2025 22:11:58 +0300

colors

Diffstat:
M
main1.c
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/main1.c b/main1.c
@@ -70,8 +70,8 @@ static GLuint linkProgram(GLuint vertex, GLuint fragment) {
     GLuint shaderProgram = glCreateProgram();
     glAttachShader(shaderProgram, vertex);
     glAttachShader(shaderProgram, fragment);
-    //glBindAttribLocation(shaderProgram, 0, "position");
-    //glBindFragDataLocation(shaderProgram, 0, "outColor");
+    glBindAttribLocation(shaderProgram, 0, "position");
+    glBindFragDataLocation(shaderProgram, 0, "outColor");
     glLinkProgram(shaderProgram);
     return shaderProgram;
 }
@@ -180,9 +180,9 @@ int main(int argc, char *argv[]) {
         GLint position = glGetAttribLocation(shaderPrg, "position");
         glEnableVertexAttribArray(position);
         glVertexAttribPointer(position, 2, GL_FLOAT, GL_FALSE, 5*sizeof(GLfloat), 0);
-        GLint color = glGetAttribLocation(shaderPrg, "color");
+        GLint color = glGetAttribLocation(shaderPrg, "inColor");
         glEnableVertexAttribArray(color);
-        glVertexAttribPointer(color, 3, GL_FLOAT, GL_FALSE, 5*sizeof(GLfloat), 0);
+        glVertexAttribPointer(color, 3, GL_FLOAT, GL_FALSE, 5*sizeof(GLfloat), (void *)(2*sizeof(GLfloat)));
         //glDrawArrays(GL_TRIANGLES, 0, sizeof(vertices)/sizeof(GLfloat)/5);
         glDrawElements(GL_TRIANGLES, sizeof(elements), GL_UNSIGNED_INT, 0);
         //glDisableVertexAttribArray(0);